Roseville City Council
April 16, 2025

1) Function, normal operating characteristics, and limiting conditions. 2) Performance curves, engineering data and tests.
3) Complete nomenclature and commercial number of replaceable parts. o. Circuit directories of panel boards.
1) Electric service.
2) Controls.
3) Communications
p. As-installed color coded wiring diagrams.
q. Operating procedures.
1) Routing and normal operating instructions.
2) Sequences required.
3) Special operating instructions.
r. Maintenance procedures.
1) Routine operations.
2) Guide to ìtrouble shootingî.
3) Disassembly, repair and reassembly.
4) Adjustment and checking.
s. Manufacturerís printed operating and maintenance instructions. t. List of original manufacturerís spare parts, manufacturerís current prices, and recommended quantities to be maintained in storage.
u. Other data as required under pertinent sections of specifications. v. Additional requirements for operating and maintenance data: Respective sections of Specifications.

E. Instruction of Ownerís Personnel.

1. Prior to final inspection or acceptance, fully instruct Ownerís designated operating and maintenance personnel in operation, adjustment and maintenance of products, equipment and systems

2. Operating and maintenance manual shall constitute the basis of instruction. a. Review contents of manual with personnel in full detail to explain all aspects of operations and maintenance.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, SPECIAL CONDITIONS and DIVISION 1 GENERAL REQUIREMENTS, apply to the work of this section.

B. This section applies to all Division 23 Mechanical Sections.

1.02 SUMMARY
A. Furnish and install all mechanical work shown on the drawings, specified herein, and as required for a complete and functional installation.

B. This section includes materials and methods applicable to the work described in all Division 23 Mechanical Sections. Specific work requirements of individual Mechanical Sections take precedence if in conflict with requirements of this Section.

C. All chemicals utilized on site as part of coating, sealant, and other products shall not contain any chemical that is listed as part of Proposition 65 known carcinogens that are identified by NTP, IARC, and the USEPA California Proposition 65 chemical repository contractors are not allowed to bring these chemicals on any California Intel site.

1.03 RELATED SECTIONS
A. Division 26 - Electrical Work
B. Division 22 - Plumbing

1.04 DRAWINGS AND SPECIFICATIONS
A. For purposes of clearness and legibility, drawings are essentially diagrammatic and, although size and location of equipment are drawn to scale wherever possible, the Contractor shall make use of all data in all the contract documents and shall verify this information at building site.

B. Information presented on Drawings and in the Specifications is based upon latest data available during their preparation. The Drawings and Specifications are for the assistance and guidance of the Contractor and exact locations, distances, levels, etc. will be governed by the structures and the site the contractor shall accept same with this understanding.

C. The drawings indicate required size and points of termination of pipes, and suggest proper routes to conform to structure, avoid obstructions and preserve clearances. However, it is not intended that drawings indicate all necessary offsets, and it shall be the work of the Contractor to make the installation in such a manner as to conform to structure, avoid obstruction, preserve headroom and keep openings and passageways clear.

1.05 DELIVERY, STORAGE, AND HANDLING
A. Contractor shall be responsible for delivery, storage, protection and placing of all equipment and materials.

B. Equipment stored and installed at the job site shall be protected from dust, water or other damage. Cover all equipment stored exposed to weather.
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1.06 STRUCTURAL REQUIREMENTS
A. Structural members shall not be cut or modified in any manner without specific instructions from the structural engineer.

1.07 SEISMIC RESISTANCE
A. See Section 23 05 48.

1.08 CODES AND SAFETY ORDERS
A. All work and materials shall be in full accordance with the latest rules and regulations of the State Fire Marshall; the Safety Orders of the Division of Industrial Safety; the I.S.O. codes;

1. 2022 California Plumbing Code, Title 24, Part 5;

2. 2022 California Mechanical Code, Title 24, Part 4;

3. 2022 California Building Code, Title 24, Part 2;

4. NFPA Codes (versions as referenced in 2022 California Building Code, Title 24 Part 2, chapter 35 and 2022 California Fire Code, title 24, Part 9, chapter 80), and other applicable laws and regulations.

B. Nothing in the Drawings or Specifications shall be construed to permit work not conforming to these codes.

C. Drawings and Specifications take precedence when work and materials called for exceed Code requirements.

1.09 INSTALLATION
A. Manufacturer's Instructions:

1. When specifications require that installation comply with manufacturer's printed instructions, obtain and distribute copies of such instructions to parties involved in the installation.

2. Perform work in accordance with manufacturer's instructions. Do not omit any preparatory step or installation procedure unless specifically modified or exempted by specifications.

3. Handle, install, connect, clean, condition and adjust products in strict accordance with such instructions and in conformity with specified requirements.

4. Should job conditions or specified requirements conflict with manufacturer's instructions, consult with the Engineer for further instructions.

5. Do not proceed with work without clear understanding.

6. Arrange for pipe spaces, chases, slots and openings in building structure during progress of construction, to accommodate mechanical system installation.

7. Coordinate installation of supporting devices. Set sleeves in poured-in-place concrete and other structural components during construction.

8. Coordinate requirements for access panels and doors for mechanical items requiring access where concealed behind finished surfaces.

9. Coordinate with other trades equipment locations, pipe, duct and conduit runs, electrical outlets and fixtures, air inlets and outlets, and structural and architectural features. Provide information on location of piping and seismic bracing to other trades as required for a completely coordinated project. 23 05 00

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1.10 PERMITS AND FEES
A. Obtain all permits and pay all required fees for permits and/or utility services. Inspections required during the course of construction shall be arranged as required. On completion of the work furnish the owners representative with certificates of inspection.

B. Include in bid all costs for gas service including meter, regulators and service line installed by a gas utility company or a gas utility company approved contractor.

1.11 SITE CONDITIONS
A. Assume all responsibility for damage to adjoining properties; and restore property to its original condition, should damage occur as a result of the work of this section. Contractor shall thoroughly familiarize himself with all site conditions. Should utilities not shown on the drawings be found during excavations, promptly notify the Architect for instructions as to further action. Failure to do so will make the Contractor liable for any and all damage thereto arising from his operations subsequent to discovery of such utilities not shown on plans.

1.12 SUBMITTALS
A. General

1. A submittal schedule shall be issued by the contractor within 15 days of award of the contract. This schedule shall allow for timely review and approval as required by the contract documents.

2. These requirements apply only to substitutions, submittals, and shop drawings.

3. The contractor shall review all submittals prior to submission to the Architect. Submittals not reviewed by the contractor will be returned to the contractor and will not be reviewed.

4. Any deviations from specified requirements shall be clearly indicated in submittals.

5. Any errors in or omissions from submittals and any consequences of these are the responsibility of the Contractor.

6. Partial or incomplete submittals may be rejected as not complying with requirements; the Contractor shall be liable for any resultant consequences.

7. Delayed submittals may be rejected as not complying with requirements. Whether accepted or rejected, delayed submittals will not be considered justification for extension of contract time or similar relief.

8. Submittals not required or permitted by the Specifications but made at the option of the Contractor, will be returned without review unless accompanied with written valid justification.

9. Submittal items improperly included with those of another category (such as a proposed substitution included with shop drawing submittal) are not valid and will be returned without review.

10. Within 35 calendar days after award of the contract, and before fabrications and installation of any material or ordering of any materials, submit for approval one copy in PDF format of complete submittal data on specified and proposed substituted equipment and materials. Submittals shall list all materials proposed identified with drawing symbols and specific data on equipment such as arrangements, performance curves, sizes, capacity, motor locations, and other pertinent data. Check all submittals for conformance to the requirements of the Construction Documents before forwarding to the architect for each item. No consideration will be given to substitutions submitted past 35 day limit. The contractor shall be responsible for all quantities and errors and omissions of submittals. Furnish samples when requested.

11. Equipment and materials specified as part of the specifications and drawings are listed by two manufacturers names. The first named manufacturer is the basis of design. The second named manufacturer has been determined to be an equivalent in quality or utility. The second named has not been specifically determined to conform to the first named in size, layout, electrical power, voltage, or impacts to building structure. The contractor is
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bound by all requirements for substitutes, as described below, for all second named manufacturers and equivalent equipment or products.

12. Each reviewed submittal will be marked to indicate review and directions as stated below.

13. Acceptance of a submittal does not relieve the Contractor of responsibility for omissions from the submittal or errors in the submittal.

1.13 REVIEW
A. Submittals will be reviewed for general acceptability, not necessarily including all details. The engineers review is for general conformance with the design concept of the project and the information given in the contract documents.

The contractor is solely responsible for confirming and correlating all quantities and dimensions; selecting fabrication processes and techniques of construction; coordinating the work with that of other trades and performing all work in a safe and satisfactory manner. Corrections of comments made on this submittal during this review do not relieve contractor from compliance with the requirements of the contract documents or with its responsibilities listed herein.

1. Proposed substitutes will be judged not only for the acceptability of the items themselves, but also how they will be used under the conditions of the particular project.

2. Proposed substitutions will be judged also for compliance with qualifications and conditions stipulated in paragraph 1.16.

B. Each reviewed submittal will be marked to indicate review and directions as stated below.

1. Acceptance of a substitute does not waive the specified requirements.

2. Once a substitution is accepted, no revision or resubmittal may be made except for pressing and valid reason and after receipts of approval to do so.

1.14 REVIEW DIRECTIONS
A. The notation "No Exceptions Taken" indicates that no further submittal on the particular matter is required and that the Contractor may proceed with normally ensuing action. The notation may be applied to submittals on substitutions, shop drawings, record data, or operation and maintenance data. The submittal has only been reviewed for general conformance with the design concept of the Contract Documents. The contractor is responsible for the dimensions to be confirmed and correlated at the job site; information that pertains solely to the fabrication process or to the means and methods of construction; coordination of the work of all trades; and performing all work in a safe and satisfactory manner. This notation does not modify the contractor's duty to comply with the contract documents.

B. The notation "Make Corrections Noted" indicates that no further submittal on the particular matter is required, but the Contractor shall make all changes or corrections noted (but no others) before proceeding with normally ensuing action. The notation may be applied to submittals on substitutions or shop drawings (but usually not record data or operation and maintenance data).

C. The notation "Amend and Resubmit" indicates that the submittal is not accepted and must be revised, resubmitted, and reviewed again. In the case of submittal on substitutions and shop drawings so noted, the Contractor shall not proceed with any normally ensuing action until the resubmittal is reviewed. The notation may be applied to submittals on substitutions, shop drawings, record data, or operation and maintenance data.

D. The notation "Rejected - See Remarks" indicates that the submittal is not accepted and that resubmittal on the same subject matter is not allowed and will not be considered. The notation will be applied normally only to submittals on substitutions (usually not on shop drawings, record data, or operation and maintenance data). 23 05 00

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E. The notation "Returned Without Review" indicates that the submittal or item has not been considered officially because it is either not proper, valid, required, or permitted by the Specifications and has no status or effect.

1.15 SHOP DRAWINGS
A. The contractor is responsible for providing all shop drawings as described below so that the design professional has the opportunity to determine if the contractor understands the contract documents. It is not the purpose of shop drawings to assure that the contractor is meeting the requirements of the contract documents. Review and approval of a submittal neither extends nor alters any contractual obligation.

B. Accompany all substituted equipment with shop drawings showing revised ductwork and/or piping layouts in order to ascertain that substituted equipment does not adversely affect layout or work of others. Shop Drawings: The following conditions apply to shop drawings:

1. Shop drawings are not and do not become Contract Documents.

2. Processed shop drawing submittals and any instructions or requirements noted thereon are a part of the work, but they may not be used as a means of increasing the scope of the work.

3. If deviations, discrepancies, or conflicts between shop drawing submittals and the Contract Documents are discovered either prior to or after the submittals are processed, the Contract Document requirements shall govern.

1.16 SUBSTITUTIONS
A. Whenever any equipment, material, or process is indicated or specified by patent of proprietary name and/or name of Manufacturer, in the Specifications and/or on the Drawings, it is understood that such specification is used to facilitate the description of the material and/or process and deemed to be followed by the words "or equal" unless noted "no substitute".

B. Substitute equipment and materials shall be equal in all respects including quality, arrangement, utility, physical size, capacity, and performance to those specified. Approval of substitute material will not relieve the contractor from complying with the requirement of the Drawings and Specifications. The contractor shall be responsible and at his own expense, for any changes caused by proposed substitutions which affect other parts of his own work or the work of other contractors.

C. The submittal of a proposed substitution shall clearly establish the following:

1. The item can be transported into and installed in the intended space and in the manner shown.

2. Required connections (electrical, piping, and other) can be properly made and adjoining work can be properly accomplished.

3. The proposed substitute is similar to and of substance equal to that specified, is suited to the same use as that specified, and will perform the functions required by the design.

4. Motors for proposed substitute equipment will have the same minimum differential between motor brake horsepower and motor nameplate horsepower as the specified equipment.

5. All performance requirements shall be at least equal to the specified product or equipment including noise levels, cooling capacity, heating capacity, air flow quantity, etc.

D. By submitting a proposed substitution, the Contractor agrees to the following:

1. He will assume full responsibility for any and all modifications and necessary alterations arising from the use of the substitute item or material including all cost incurred by all other trades.

2. He will assume full responsibility for any delay in the construction schedule resulting from the use of the substitution.
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3. He will prove harmless and indemnify the Owner and the Owner's design consultants from real or alleged damages that may result from the installation, use, or performance of a substitute material or product.

E. The following conditions apply to substitutions:

1. Submittals of substitutions are not and do not become part of the Contract Documents.

2. Contractor shall not order, fabricate, use, or install any substitute product or procedure unless he has received acceptance of the substitute from the Engineer.

3. Should the Contractor install any substitute product in violation of the above he shall remove it and install the specified product at his own expense.

4. The Contractor shall provide a letter stating that all the above items shall apply to all substituted products and equipment.

5. Any submittal for substituted equipment or product that does not clearly show that the substituted item is equal shall be marked rejected and no further submittal shall be allowed on the substituted item. Provide in submittal format documentation that the proposed item is exactly as specified in the contract documents.

1.17 GUARANTEE
A. Guarantee all work for one year from date of acceptance, against all defects in material, equipment and workmanship including repair of damage to any part of the premises resulting from leaks or other defects in material, equipment and workmanship. Guarantee shall be on form supplied by the owner's representative.

1.18 RECORD DRAWINGS
A. The contractor is responsible to provide record drawings. Provide PDF drawings showing the actual location of all ductwork, piping and equipment. Dimension locations of underground service mains and branches. Deliver the PDF drawings to the architect at the completion of the job for review and approval by the engineer.

B. Mark-up Procedure: During the construction period, maintain a complete, current set of Contract Drawings and Shop Drawings uploaded and updated within the BLUEBEAM program for Project Record Document purposes.

Label each document ìAS-BUILT RECORDî. Keep all record documents current.

C. On completion of the Work the Contractor will provide one complete set of AS-BUILT RECORD Drawings in AutoCAD (drawing) file format and one complete set in Adobe PDF file format.

D. A reference by number to a Change Order, CCD, RFI, RFQ RFP, Field Order or other such document is not acceptable as sufficient record information on any record document. Do not conceal any Work until required record information has been recorded.

E. Contractor shall mark AS-BUILT Record Drawings to indicate the actual installation where the installation varies appreciably from the installation shown originally. Give particular attention to information on concealed elements that would be difficult to identify or measure and record later. Items required to be marked include, but are not limited to:

1. Revisions or any modification to details shown on the Contract Drawings

2. Depths of various elements (sanitary sewer, water etc. in relation to main floor level or survey datum.

3. Horizontal and vertical location of underground utilities and appurtenances referenced to permanent surface improvements.
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4. Location of internal utilities and appurtenances concealed in construction referenced to visible and accessible features of structure.

5. Locations of underground work, points of connection with existing utilities, changes in direction, valves, manholes, catch basins, capped stub outs, invert elevations and similar items

6. Actual equipment locations
a. Duct size and routing

7. Changes made by Change Order, CCD, ASI, or any other directive a. Details not on original Contract Drawings
b. Contractor shall mark completely and accurately AS-BUILT Record Drawing prints of Contract Drawings or Shop Drawings, whichever is the most capable of showing actual physical conditions. Where Shop Drawings are marked, show cross-reference on Contract Drawings location. c. Contractor shall mark AS-BUILT Record Drawing sets within BLUEBEAM with red markings; use other colors to distinguish between changes for different categories of the Work at the same location. d. Contractor shall mark important additional information that was either shown schematically or omitted from original Drawings.
e. Contractor shall note Contractor Change Directive numbers; Bid Alternate numbers, if any, Change Order numbers, and similar identification.
f. Contractor shall be responsible for Mark-up: Where feasible, the individual or entity who obtained Project Record Drawing data, whether the individual or entity is the installer, Subcontractor or similar entity, is required to prepare the mark-up on AS-BUILT Record Drawings. g. Accurately record information in an understandable and legible drawing technique. h. Record data as soon as possible after it has been obtained. In the case of concealed installations, record and check the mark-up prior to concealment.

F. Contractor shall prepare Record Drawings: Immediately prior to inspection for Certification of Substantial Completion of the Work, review completed marked-up AS-BUILT Record Drawings with District, Project Inspector and Architect to ensure accuracy of information. Once accuracy of information is confirmed, prepare and submit a full electronic set, professionally drafted in AutoCAD format, of as-built Contract Drawings and Shop Drawings.

1. Incorporate changes and additional information previously marked on print sets. Delete, redraw, and/or add details and notations where applicable. Identify and date each Drawing; include the printed designation ìASBUILT RECORD DRAWINGî and the date prepared in a prominent location on each Drawing.

2. Distribution: Whether or not changes and additional information were recorded, organize the original markedup set of drawings that were maintained during the construction period within BLUEBEAM into manageable sets. The sets should be labeled with all appropriate identification, including titles, dates and other information on cover sheets and submit to District.

PART 2 - PRODUCTS

2.01 GENERAL REQUIREMENTS
A. Shop drawings:

1. Make all drawings to an appropriate scale, large enough to show all pertinent aspects of the item and the method of its connection into the work.
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2. Make each drawing sheet in AutoCAD.

B. Grouping: Combine submittals in logical groupings; for example, submit Shop Drawings grouped by Sections of the Specifications, arranged in the specified sequence.

C. Shop Drawings: Four blue or black line prints of each for the Engineer.

D. Timing: Submit all shop drawings prior to installation of any items included in submittal.

2.02 CORROSION PROOFING
A. Corrosion Proofing / U.V. Protection: Products which will be installed outdoors, exposed to the weather, exposed to moisture, or other potentially damaging conditions shall be constructed to resist the effects of such exposure.

B. Exterior casings shall have lapped or gasketed joints effectively sealed to prevent intrusion of moisture or other injurious substances.

C. Casings, ducts, pipes, or product items shall be constructed of materials which are fully resistant to harmful substances they may normally contact, or (if ferrous) shall be galvanized after fabrication, or shall be fully protected from such substances by paint or other coating in appropriate thickness or number of coats.

D. All bolts, nuts, screws, and washers shall be galvanized unless specified to be plated or unprotected.

E. Any exposed plastic pipe must have a U.V. inhibitor.

2.03 MATERIAL AND EQUIPMENT
A. All material and equipment shall be new, of the type, capacity and quality specified and free from defects. All materials and equipment shall be of the same brand or manufacturer throughout for each class of material or equipment wherever possible.

2.04 FILTERS
A. A complete set of filters shall be supplied for use during the construction period. A complete set of new filters shall be installed before testing and balancing.

2.05 ACCESS BOXES
A. For below grade valves and piping devices

1. Christy Concrete Products Company, Brooks, with galvanized steel checker plate recessed traffic lid flush with rim of box. Lids for boxes located in areas subject to vehicular traffic shall be constructed to withstand H20 live loading as defined by the American Association of State Highway Officials (16,000 pound maximum individual wheel load). Service identification shall be conspicuously welded on lid before galvanizing. For gas service, drill twelve 3/8" diameter vent holes through lid before galvanizing. Provide manufacturer's box extensions to bring box bottom three inches below bottom of valve and box top flush with finish grade. 23 05 00

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2. Box sizes (non-traffic)
Type Valve Valve Size Box No.

Gas 1 1/2" and smaller B-24
Gas 2" and 2 1/2" B-36
Gas 3" and 4" B-40
Gas 5" and 6" B-48
Gas 8" B-52

2.06 ACCESS DOORS
A. Unless specified otherwise by the Architect, provide access doors of the following type:

1. Concealed hinges, prime coated with rust-inhibitive paint, style of door to suit wall, ceiling, floor or roof construction and fire rating.
a. Milcor Type M
b. Milcor Type UFR, fire resistive type Underwriters Laboratory Class B, 1-1/2 hour rating meets UBC, IBCO and BOCA codes for two hour rated walls self latching with key lock, Elmdor/Stonman Type FR or equal.

2. Minimum size; 18" by 18".

3. Wall and ceiling access doors: Furnish as required for access to ducts, damper operators, duct mounted access panels, etc.; coordinate size and location to obtain access.

4. See architectural drawings for further requirements.

2.07 MISCELLANEOUS EQUIPMENT AND MATERIALS
A. Furnish and install miscellaneous equipment and materials required for the systems described whether or not specifically shown.

PART 3 - EXECUTION

3.01 PREPARATION
A. General:

1. Do not install any equipment, valve, control, motor, filter, or any other device requiring maintenance or service in an inaccessible location or position. Install access doors as specified herein to render all such equipment serviceable whether specifically shown on the plans or not. Maintain code clearance to all equipment.

Coordinate location of doors with lights, etc., and locate symmetrically with same.

B. Observations: Check all project drawings and specifications; report any discrepancies before proceeding with the work and in time to avoid unnecessary rework.

C. Investigation: Examine the areas, conditions, and status of other work contiguous or connecting to the work to be performed; ensure that the time of installation is coordinated with other work.

D. Interruptions of Service: Portions of this work may involve connection to existing work, facilities, or utilities ties and may require interrupting shutdowns of same. Carefully plan, coordinate and execute such work so that any interruptions will be kept to a minimum in time and occurrence. Submit request for shutdowns and make shutdowns only after receiving written approval from the Owner.

E. Other: Correct any unsatisfactory conditions that may impede proper execution of the work. Ensure that all arrangements, personnel, materials, and tools are appropriate and adequate before proceeding. 23 05 00

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3.02 INSTALLATION
A. General:

1. Material and equipment incorporated in the work shall be used or applied only for the purpose intended or specified.

2. Install piping and ductwork and all equipment that requires access with minimum vertical and horizontal clearances required by OSHA for service.

3. All mechanical systems such as ductwork, pipes and all other equipment shall have 2 inches minimum clearance.

4. Do not proceed with work without clear understanding.

3.03 MANUFACTURER'S INSTRUCTIONS
A. When specifications require that installation comply with manufacturer's printed instructions, obtain and distribute copies of such instructions to parties involved in the installation.

B. Perform work in accordance with manufacturer's instructions. Do not omit any preparatory step or installation procedure unless specifically modified or exempted by specifications.

C. Handle, install, connect, clean, condition and adjust products in strict accordance with such instructions and in conformity with specified requirements.

D. Should job conditions or specified requirements conflict with manufacturer's instructions, consult with the Engineer for further instructions.

E. Do not proceed with work without clear understanding.

3.04 PROTECTION
A. Contractor shall conform to all Federal, State, and local ordinances related to the protection of the public and Contractorís personnel and the flow of traffic. Provide protection for persons and property throughout the progress of the work.

3.05 DISPOSITION OF MATERIALS
A. All materials and equipment not scheduled to be salvaged, including debris and all rejected salvaged materials, shall become the property of the Contractor and shall be disposed of off site in a legal manner. Location of dump and length of hall shall be the contractorís responsibility.

3.06 LOCATION OF EQUIPMENT, PIPING AND DUCT WORK
A. Where job conditions do not permit the installation of piping, ductwork, etc. in the location shown, it shall be brought to the engineer's attention immediately before fabrication of ductwork, piping, etc. and the relocation required shall be determined in a joint conference.

B. The contractor will be held responsible for the relocating of any items installed without first obtaining the architectís or engineerís approval. Remove and relocate such items at The contractors expense as so directed by the architect or engineer.

C. Where piping or ducting is left exposed within a room, run in vertical or horizontal planes. Maintain uniform spacing between parallel lines and/or adjacent wall, floor or ceiling surfaces.

D. Horizontal runs of plumbing and/or electrical conduit suspended from ceilings shall provide for maximum clearance.

E. Make minor changes in locations of equipment, piping, ducts, etc. from locations shown including minor offsets when directed by the engineer, at no additional cost to the owner. 23 05 00

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3.07 CARE AND CLEANING
A. Clean and adjust all equipment at completion of installation to provide operating conditions satisfactory to the engineer. Remove broken, damaged or defective parts; repair or replace as directed by engineer. Remove surface material and debris resulting from this work when directed.

3.08 PAINTING
A. Painting is included under the Painting and Finishing Section. It shall be the responsibility of the Mechanical Contractor to properly protect all equipment and controls during painting operations and the Mechanical Contractor shall repair and/or replace any item damaged due to painting that was not properly protected.

3.09 ACCESS DOORS
A. Provide access doors to all concealed equipment, valves, controls, etc. Locate doors where shown or to be coordinated and symmetrically located with lights, diffusers, etc. Access doors furnished by the mechanical contractor shall be installed by the general contractor.

3.10 ELECTRICAL REQUIREMENTS
A. Provide working space around electrical equipment in compliance with the applicable Code and all Safety Orders.

B. Coordinate the Mechanical Work with the Electrical Work to comply with the above. Furnish and set in place all motors and duct or pipe installed controls.

C. Location of all new switches shall be verified with the architect or architect before roughing-in. Furnish necessary control diagrams and instruction for the proper installation of the controls.

D. Assume responsibility for the proper supervision and testing of the controls for sequence of operation.

E. Motors and control equipment shall conform to the Standards of the National Electrical Manufacturers Association.

F. All equipment electrical characteristics shall be as noted on the drawings, or as specified. Verify before ordering any equipment.

G. Before permitting operation of any equipment which is furnished, installed or modified under this contract, review all wiring connections that pertain to mechanical equipment or work, and verify that these connections are correct.

H. Ascertain that the over-load protection devices installed are of the correct type, rating and setting to properly protect this equipment.

3.11 INSTRUCTION OF OWNER'S PERSONNEL
A. Prior to final inspection or acceptance, fully instruct Owner's designated operating and maintenance personnel in operation, adjustment and maintenance of products, equipment and systems.

B. Operating and maintenance manual shall constitute the basis of instruction.

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3.12 RECORD DATA
A. Compilation

1. Record and collect information concurrently with construction progress and date all entries; make drawing entries within 24 hours after occurrence of change or installation requiring recording. Any concealed work covered before recording data shall be uncovered as directed or as necessary to obtain data.

2. Record information on drawing prints using an erasable colored pencil (not ink or indelible pencil); describe clearly by note or graphic line as appropriate.

B. Locate any concealed work adequately to allow future access with reasonable ease and accuracy.

1. Identify the plan location of all stub outs, pipe lines, etc., which are buried or concealed in the structure, whether installed where shown on the contract drawings or in a different location; show actual field dimensions from column lines, wall lines, or other permanent reference lines or points.

2. In many cases on the contract drawings, the arrangement of conduits, pipes, ducts, and similar items is shown schematically rather than as a precise scaled layout. Identify the actual location of these with horizontal and vertical dimensions. If such lines are exposed or readily accessible, omit dimensional identification.

3. When any work is installed of size, dimension, slope, or location different from that shown on the contract drawings, note the deviation on the Project Record set. If the variations are substantial or cannot be shown clearly on the record drawings, make a new drawing and attach to the Record set.

C. On other documents

1. Where changes occur in specifications, clearly indicate same in ink, colored pencil, or rubber stamp.

2. Where installed equipment differs from that specified (e.g., by accepted substitution or change order) note in the specifications and include complete data on same.

END OF SECTION
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PART 1 - GENERAL

1.01 SEE SECTION 23 05 00

1.02 REFERENCES AND STANDARDS
A. Where material or equipment is specified to conform to referenced standards, it shall be assumed that the most recent edition of the standard in effect at the time of bid shall be used.

1. AABC - Associated Air Balance Council

2. AFBMA - Anti Friction Bearing Manufacturer's Association

3. AMCA - Air Moving and Control Association Inc.
a. Standard 210 - Laboratory Methods of Testing Fans

4. ANSI - American National Standards Institute

5. ARI - Air-Conditioning and Refrigeration Institute

6. ASHRAE - American Society of Heating, Refrigerating and Air Conditioning Engineers

7. ASME - American Society of Mechanical Engineers

8. ASTM - American Society for Testing and Materials

9. CCR - California Code of Regulations
a. Title 8 - Division of Industrial Safety, Subchapter 7; General Industry Safety Orders, Articles 31 through 36

10. CSA ñ Canadian Standards Association International

11. CSFM - California State Fire Marshal

12. NCPWB - National Certified Pipe Welding Bureau

13. NIST - National Institute of Standards and Technology

14. NEMA - National Electrical Manufacturers' Association

15. NFPA - National Fire Protection Association

16. OSHA - Occupational Safety and Health Act

17. SMACNA - Duct Manuals

18. UL - Underwriters' Laboratories, Inc.

B. Requirements of Regulatory Agencies:

1. The publications listed below form part of this specification; comply with provisions of these publications except as otherwise shown or specified.
a. California Building Code, 2022.
b. California Electrical Code, 2022.
c. California Energy Code, 2022.
d. California Fire Code, 2022.
e. California Green Building Standards Code, 2022.
f. California Mechanical Code, 2022.
g. California Plumbing Code, 2022.
h. California Code of Regulations, Title 24.
i. California Health and Safety Code.
j. CAL-OSHA.
k. California State Fire Marshal, Title 19 CCR.
l. National Fire Protection Association.
m. Occupational Safety and Health Administration.
n. Other applicable state laws.

2. Nothing in Drawings or specifications shall be construed to permit work not conforming to these codes, or to requirements of authorities having jurisdiction. It is not the intent of Drawings or specifications to repeat requirements of codes except where necessary for clarity.
23 05 13

COMMON MOTOR REQUIREMENTS FOR HVAC
Dry Creek WWTP Operations and Lab Building
210015.01

PART 2 - PRODUCTS

2.01 MOTOR AND STARTERS
A. Motors furnished as part of mechanical equipment shall be of size indicated and shall have starting torque sufficient to start and drive equipment load to which they are connected.

B. Electric motors shall be NEMA Premium efficiency. Provide one of the following or an equal product:

1. U.S. Motors

2. Century Electric

3. General Electric

4. Lincoln

5. Gould
C. Motor enclosures shall be:

1. Open drip proof for general use.

2. Totally enclosed for wet or exterior use.

3. Explosion-proof for hazardous location use.

D. Electric Motors of 1/2 HP rating and over, heavy duty, ball bearing, open (drip-proof), squirrel cage induction type, normal starting torque 60 cycle service, 40o F continuous rating, and shall conform in all respects to the latest applicable standard of NEMA and AIEE. Motors up to æ HP rating shall have sleeve or ball bearing. Electric motors which are not housed within equipment they serve, shall be stamped for Quiet-Operation. Motors shall be of an Energy Efficient design meeting C.E.C., Title 24.

E. Motor starters and contactors except those in motor control centers shall be included in the mechanical work.

F. Starters: Starters furnished integral to, or specifically for, mechanical equipment shall be Square D, General Electric, Cutler-Hammer, or equal and shall comply with the following:

1. Enclosures shall be NEMA Standard to suit location/duty:
a. Type 1: general purpose.
b. Type 3: rain tight.
c. Type 4: watertight.
d. Type 7&9: explosion proof.

2. Thermal overload protection devices shall be provided as follows:
a. One for single-phase motors.
b. Three for three-phase motors.
c. One for each ungrounded conductor for each winding of multi-wound or multi-speed motors.

3. Starters for motors up to 1/3 HP may be manual type if no interlocking is required; pilot light to indicate ON position is required.

4. Starters for motors up to 30 HP shall be magnetic across-the-line type except as stipulated above.

5. Starters for motors over 30 HP shall be transition-type magnetic-reduced voltage unless specified otherwise. Coordinate the characteristics to ensure adequate starting torque and to limit the starting current to a level compatible to the electrical system and acceptable to the utility company/agency.

6. Magnetic starters shall be provided with:
a. 120 volt control circuits.
b. H-O-A switch in cover.
c. Auxiliary contacts for necessary interlocking.
d. Integral disconnect switch or circuit breakers for branch circuit, short-circuit and ground-fault protection.
23 05 13

COMMON MOTOR REQUIREMENTS FOR HVAC
Dry Creek WWTP Operations and Lab Building
210015.01

7. Short-circuit interrupting capacity of starters and disconnects shall be adequate for voltage employed and for current to be interrupted. This may require use of high interrupting capacity breakers or current limiting fuses. If fuses are used, provide three spares for each disconnect.

8. Starters shall be compatible with the motor they control.

PART 3 - EXECUTION

3.01 ELECTRICAL REQUIREMENTS
A. Provide working space around electrical equipment in compliance with the applicable Code and all Safety Orders.

B. Coordinate the Mechanical Work with the Electrical Work to comply with the above. Furnish and set in place all motors and duct or pipe installed controls.

C. Location of all new switches shall be verified with the architect or architect before roughing-in.

Furnish necessary control diagrams and instruction for the proper installation of the controls.

D. Assume responsibility to ensure that all motors are connected with flexible conduit per Division 26 requirements.

E. Assume responsibility for the proper supervision and testing of the controls for sequence of operation.

F. Motors and control equipment shall conform to the Standards of the National Electrical Manufacturers Association.

G. All equipment electrical characteristics shall be as noted on the drawings, or as specified. Verify before ordering any equipment.

H. Before permitting operation of any equipment which is furnished, installed or modified under this contract, review all wiring connections that pertain to mechanical equipment or work, and verify that these connections are correct.

I. Ascertain that the over-load protection devices installed are of the correct type, rating and setting to properly protect this equipment.

J. Where equipment motors are to be electrically interlocked with other equipment for simultaneous operation, utilize mechanical equipment wiring diagrams to coordinate with the electrical systems so that proper wiring of the equipment involved is affected.

END OF SECTION
23 05 29

HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SEE SECTION 23 05 00

1.02 SUBMITTALS
A. Submit proposed alternative methods of attachment for review and approval by the Engineer, prior to deviating from the requirements given below.

B. For all seismic bracing systems, submit structural calculations and details prepared and signed by the Contractors licensed engineer which include all resultant forces applied to the building structure. Do not overstress building structure. The maximum allowable loads are as indicated in 3.01 of this specification. The submittal data required does not require an analysis of the building structural numbers and their reaction to the loads of the piping. The submittal data needs to address attachment methods and shall include calculations indicating the forces that are applied to the building structure at the point of attachment. Calculations will be reviewed for compliance with design criteria, not for arithmetic.

PART 2 - PRODUCTS

2.01 PIPE SUPPORTS
A. All pipes within the outer casings shall be supported at not more than 10-foot intervals. These supports shall be designed to allow for continuous airflow and drainage of the conduit in place.

The straight supports shall be designed to occupy not more than 10% of the annular air space.

Supports shall be of the type where insulation thermally isolates the carrier pipe from the outer conduit. The surface of the insulation shall be protected at the support by a sleeve not less than 12 inches long, fitted with traverse and, where required, rotational arresters.

2.02 HANGERS AND SUPPORTS
A. Building Attachments: Powder-actuated-type, drive-pin attachments with pullout and shear capacities appropriate for supported loads and building materials, UL listing and FM approval for fire-protection systems. Install additional attachments at concentrated loads, including valves, flanges, guides, strainers, expansion joints, and at changes in direction of piping. Provide beam clamp retaining straps for all pipe supports where attached to steel beams.

B. Mechanical-Anchor Fasteners: Insert-type attachments with pullout and shear capacities appropriate for supported loads and building materials.

C. Load Distribution: Install hangers and supports so piping live and dead loading and stresses from movement will not be transmitted to connected equipment.

D. Electro-Chromate or hot dipped galvanized.

1. Pipe Straps: copper coated for copper.

2. For insulated pipe - pipe hangers sized to allow pipe insulation to pass continuously through the hanger.
a. Trapeze Supporting Rods: Diameter sufficient to support the load with a safety factor of 5.
b. Isolators: Trisolator.
23 05 29

HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

PART 3 - EXECUTION

3.01 PIPING HANGERS AND SUPPORTS
A. General

1. Miscellaneous: Provide all supports, anchors, concrete pads, grouting, bedding, bracing, vibration isolation, and accessories required for pumps and other equipment.

2. Support all piping with appropriate manufactured devices as specified use no wire or makeshift device.

3. The engineer prior to installation shall approve all hanger material.

4. Size hanger rods, screws, bolts, nuts, etc., according to manufacturer's recommendations.

Size hangers to fit around bare pipe, isolator, or insulated pipe shield as appropriate.

5. Use cadmium plated or galvanized hangers, attachments, rods, nuts, bolts and other accessories where exposed to weather. Hot dip galvanize all items which are not factory finished. Plating for hinged movements must be done at factory.

6. Hanger rods with C-clamp type structural attachment shall be equipped with retaining straps.

7. At each support on bare copper tubing or piping system, install an isolator; at each support point on insulated piping systems, install an insulated pipe shield.

8. Burning, welding, cutting, or drilling on any structural member may only be done if approved by the structural engineer.

9. No valve or piece of equipment shall be used to support the weight of any pipe.

10. Provide a hanger close to the point of change of direction of pipe run in either horizontal or vertical plane.

11. When hangers or supports do not come within one foot of a branch line fitting, install an additional hanger or support at the fitting.

B. Pipe Supports

1. Horizontal Lines
a. Suspend all horizontal pipes individually and not in contact with the structure except as specified below. Support each branch line with at least one hanger.

C. Parallel pipes may be supported on trapeze type hangers. Size trapeze hangers to support weight of piping plus a surcharge of 300 pounds. For three or more pipes use a size suitable for the load in accordance with manufacturers published load ratings. No deflection to exceed 1/180 of a span. Anchor rods securely to building structure.

3.02 LINES NEAR FLOOR
A. Support all piping near the floor individually by means of adjustable steel pipe stanchions with welded end plates properly secured to the pipe and to the floor. Alternate: Lines also near walls may be suspended as specified above for horizontal lines, from appropriately sized and mounted angle brackets.
23 05 29

HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

B. Hanger Spacing Schedule:

Type of Pipe 1" dia. Or under 1º" to 2" dia 2½" dia & over Steel Pipe 8í-0" 10í-0" 12í-0"
Copper Tubing 6í-0" 8í-0" 10í-0"
Rod Size: 3/8î ½î 5/8î
5 /8î
Pipe Size (1/2" ñ 2") (2-1/2" - 5") (6" - 8") (over 8")

END OF SECTION
23 05 30

HANGERS AND SUPPORTS FOR HVAC DUCTWORK
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply to the work in this section.

1.02 SECTIONS INCLUDE
A. General: Refer to Section 23 05 00, Mechanical - General.

B. Work Included: Provide all ductwork and ductwork accessories, auxiliaries, and adjuncts for all and systems as specified or shown.

C. Work Described Elsewhere: HVAC piping, equipment, and controls are specified in other HVAC Sections.

1.03 RELATED SECTIONS
A. All Sections of Division 23.

1.04 SUBMITTALS
A. Air Balancing: Provide submittals for air balancing work as specified in Section 23 05 93 HVAC General.

PART 2 - PRODUCTS

2.01 GENERAL
A. The contractor shall provide all miscellaneous metal to bridge between structural beams to provide connection for duct supports. As an alternate ductwork may be supported from the roof deck if approved by the owner and structural engineer.

B. Rectangular Ducts (Horizontal):

1. Up to 30" duct width: Two 1-1/2" wide 16-gauge galvanized steel straps bolted to opposite sides of duct and firmly secured to overhead construction. Each strap must also be turned and screwed to bottom of duct.

2. 30" and greater duct width: Trapeze assembly comprised of Unistrut, Powerstrut, channel supported at each end by rod firmly secured to overhead construction; affix duct to channel with angle bracket on each side. Each strap must also be turned and screwed to bottom of duct.
a. 30" to 72" duct width: Use Unistrut P-1000 channel or equal, size as necessary, 3/8" diameter rods.
b. 72" to 84" duct width: Use Unistrut P-1000 channel or equal, size as necessary,1/2" diameter rods.
c. 84" and greater duct width: Use Unistrut P-1001 channel or equal, 1/2" diameter rods.

C. Round Ducts (Horizontal):

1. Up to 40î in diameter: Two (2) 1-1/2î wide 18 gauge galvanized steel straps, firmly secured to overhead construction and extending around the entire perimeter of the duct and secured to the duct. Provide bracing to prevent duct sway as specified above for rectangular duct.

2. Ducts over 40î in diameter: All supports for round ductwork over 40î must be approved by the structural engineer.
23 05 30

HANGERS AND SUPPORTS FOR HVAC DUCTWORK
Dry Creek WWTP Operations and Lab Building
210015.01

D. Vertical Ducts:

1. Rectangular: Unistrut, Powerstrut, P-1000 channel riveted or bolted to side of duct and secured to the structure at each floor or other such level.

2. Round: Fabricate two-piece angle iron collar, rivet or bolt to duct, secured to structure per above.

E. Kitchen Exhaust Ducts:

1. Duct bracing and supports shall be of non-combustible material securely attached to the structure and designed to carry gravity and lateral loads.

2. Bolts, screws, and other mechanical fasteners shall not penetrate duct walls.

F. Structure Attachments: See Contract Documents & Specification Section 23 05 48.

PART 3 - EXECUTION

3.01 DUCTWORK SUPPORTS
A. Supports

1. Install ductwork in accordance with applicable details, SMACNA "Guidelines for Seismic Restraints of Mechanical Systems, Latest ed." recommendations, manufacturer's recommendations, and best practice, coordinate all ductwork support connection with the Structural Engineer.

2. Install ducts rigidly, securely, and air tight.

3. Support ducts independently of ductwork - connected equipment and visa-versa.

4. Ducts shall be vibration isolated as described in 23 05 48.

5. Penetrations:
a. Description: All penetrations of walls separating shall have a minimum clearance of 1/2-inch and a maximum clearance of 3/4 inch.
b. Materials: A minimum 1.5 lbs/cu.ft. fiberglass insulations shall be used and a nonhardening caulking compound.
c. Installation: The opening around the penetration shall be filled loosely with the fiberglass insulation. The opening is then to be sealed airtight with the non-hardening caulking compound. Pipes, ducts, etc., shall be supported on either side of the wall with supports to roof structure.

END OF SECTION
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SEE SECTION 23 05 00
A. Furnish and install all systems, units, equipment, and parts to meet or exceed current applicable requirements for seismic resistance specified by codes, regulations, or agencies having jurisdiction. Include all supports, anchors, braces, and other restraining devices required. All seismic restraints and isolation shall meet Seismic requirements and are the responsibility of the contractor.

B. Design and installation of seismic bracing shall be per 2022 CBC Chapter 16.

1.02 QUALITY ASSURANCE
A. General: All isolators furnished under this Section for a given application shall be of a single manufacturer who has been regularly engaged in the design and manufacture of the equipment.

B. Manufacturers must demonstrate to the satisfaction of the Engineer that the quality is equal to the equipment made by those manufacturers specifically named herein. Wherever possible, all materials and systems specified in this section shall be purchased from a single vibration isolation materials manufacturer to assure single responsibility for the performance of all isolation materials used.

C. Vibration and Noise: The completed installation must control vibration and noise to the specified limits. Systems equipment, or parts which vibrate or generate vibration unduly or which generate or emit undue noise while in operation shall: (1) be adjusted, repaired, or replaced as appropriate to obtain acceptable levels of vibration or noise, or (2) be supported on or fitted with suppression or absorption devices or means which effectively prevent the transmission of vibration or noise beyond the offending item.

1.03 SEISMIC RESISTANCE
A. Furnish and install all systems, units, equipment, and parts to meet or exceed current applicable requirements for seismic resistance specified by codes, regulations, or agencies having jurisdiction. Include all supports, anchors, braces and other restraining devices required. All seismic restraints will meet the following site specific seismic design criteria:

1. Seismic Design Category D, 2) Importance Factor, Ip = 1.0 and 3) SDS = 0.490

2. Seismic restraints are the responsibility of the contractor.

B. Design of seismic bracing shall meet requirements of 2022 CBC Chapter 16A.

1.04 SUBMITTALS
A. Manufacturer's Data:

1. Provide materials lists, catalog data sheets, manufacturer's drawings and technical literature covering details of all equipment or items specified or shown on drawings.

2. For Metal Spring Isolators provide the following as a minimum:
a. Spring diameter.
b. Static deflection.
c. Compressed spring height.
d. Solid spring height.
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

e. Number of active coils.
f. Ratio of horizontal to vertical stiffness.
g. Operating height.
h. Spring constant.
i. Vertical load for each spring.
j. Location and designation of each isolator.
k. Calculate horizontal and vertical loading and bending moment due to a horizontal force applied at the center of the gravity of the isolated equipment. Calculate bolt requirements.
l. Indicate all bases and rail clearance of one inch.

B. Shop Drawings:

1. Submit plans, elevations and sections and details showing installation, operating heights and spring constants.

C. Static seismic calculations for all equipment, piping and miscellaneous structural steel connections to building frame.

1. Calculations shall be performed by a California licensed structural engineer employed by the isolation manufacturer for a minimum of five years.

D. Certification of Seismic restraints include details of materials or methods which depart widely from those specified.

E. All mechanical equipment shall be anchored or braced to meet the horizontal and vertical forces prescribed in 2022 CBC.

F. The attachment of the following items shall be designed to resist the forces prescribed in Section 1613A, but need not be detailed on the plans:

G. Equipment weighing less than 400 pounds supported directly on the floor or roof.

H. Furniture required to be attached in accordance with Part 2, Title 24, C.C.R..

I. Temporary or movable equipment.

J. Equipment weighing less than 20 pounds supported by vibration isolators.

K. Equipment weighing less than 20 pounds suspended from a roof or floor or hung from a wall.

L. For those elements that do not require details on the approved drawings, the installation shall be subject to the approval of the Mechanical Engineer and the field representative of the Division of the State Architect.

M. The bracing and attachments to the structure shall comply with one of the OSHPD Pre-Approvals with an OPM #, such as Mason Industries.

N. Copies of the manual shall be on the jobsite prior starting hanging and bracing of the pipe and ductwork systems.

O. The structural engineer shall verify the adequacy of the structure to support the hanger and brace loads.
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

PART 2 - PRODUCTS

2.01 ELASTOMERIC ISOLATION PADS (EIP)
A. Elastomeric Isolation Pads:

1. Acceptable manufacturers include but are not limited to the following:
a. Mason Industries, Inc. ñ Type Super W Pad
b. Kinetics Noise Control, Inc. ñ Type RSP
c. Vibration Mountings & Controls, Inc. Type NRC

2. Fabrication: Single or multiple layers of sufficient durometer stiffness for uniform loading over pad area. Acceptable manufacturers include but are not limited to the following:
a. Mason Industries, Inc. ñ Type Super W Pad
b. Kinetics Noise Control, Inc. ñ Type RSP
c. Vibration Mountings & Controls, Inc. Type NRC

3. Size: Factory or field cut to match requirements of supported equipment.

4. Pad Material: Oil and water resistant with elastomeric properties.

5. Surface Pattern: Waffle pattern.

2.02 HOUSED-RESTRAINED-SPRING ISOLATORS (HRSI)
A. Freestanding, Steel, Open-Spring Isolators with Vertical-Limit Stop Restraint in Two-Part Telescoping Housing:

1. Acceptable manufacturers include but are not limited to the following:
a. Mason Industries, Inc. ñ Type SSLFH
b. Kinetics Noise Control, Inc. ñ Type SL
c. Vibration Mounting & Controls ñ Type CAL

2. Two-Part Telescoping Housing: A steel top and bottom frame separated by an elastomeric material and enclosing the spring isolators. Housings are equipped with adjustable snubbers to limit vertical movement.
a. Drilled base housing for bolting to structure with an elastomeric isolator pad attached to the underside. Bases shall limit floor load to 500 psig. b. Threaded top housing with adjustment bolt and cap screw to fasten and level equipment.

3. Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated load.

4. Minimum Additional Travel: 50 percent of the required deflection at rated load.

5. Lateral Stiffness: More than 80 percent of rated vertical stiffness.

6. Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or failure.

2.03 TRISOLATORS (T)
A. Sheet metal sleeve with min 3/8î thick felt insert to be installed at attachment points of hangers or piping.
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:
a. Semco.
b. Elcen.
c. Elmdor/Stoneman .
d. or equivalent shop- fabricated device.

2.04 RESTRAINED SPRING CURB (RSC)

1. Acceptable manufacturers include but are not limited to the following:
a. Mason Industries, Inc. ñ Type RSC
b. Or approved equal.
c. Curb must be Pre-Approved per OPA-0207
B. Description: Factory-assembled, fully enclosed, insulated, air- and watertight curb rail designed to resiliently support equipment.

C. Upper Frame: Upper frame shall provide continuous and captive support for equipment.

D. Lower Support Assembly: The lower support assembly shall be formed sheet metal section containing adjustable and removable steel springs that support upper frame. Springs to have a 3î deflection and 50% additional travel to solid. Spring diameters no less than 0.8 of the spring height at rated load. All spring locations shall have access ports with removable waterproof covers. The lower support assembly shall have a means for attaching to building structure and a wood nailer for attaching roof materials and shall be insulated with a minimum of 2 inches of rigid glass-fiber insulation on inside of assembly. Adjustable, restrained-spring isolators shall be mounted on elastomeric vibration isolation pads and shall have access ports, for level adjustment, with removable waterproof covers at all isolator locations. Isolators shall be located so they are accessible for adjustment at any time during the life of the installation without interfering with the integrity of the roof.

E. Snubber Bushings: All-directional, elastomeric snubber bushings at least 1/4 inch thick.

F. Water Seal: Galvanized sheet metal with EPDM seals at corners, attached to upper support frame, extending down past wood nailer of lower support assembly, and counterflashed over roof materials.
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

2.05 VIBRATION ISOLATION SCHEDULE
PART 3 - EXECUTION

3.01 GENERAL
A. Specific application of products shall be as delineated in this and other Sections of the Division.

B. Installation of all vibration isolation materials, spring and equipment bases specified in this section of the specifications shall be accomplished following the manufacturer's written instructions.

C. Additional installation instructions may be specified in other Sections of the Division.

D. Acoustically Sensitive Areas: For purposes of noise and vibration control, the following areas are defined as Acoustically Sensitive:

1. Conference Rooms

2. Offices
E. The isolation materials manufacturer shall be responsible for the proper selection of spring rates to accomplish the specified minimum static deflections, for all spring and pad type isolators, based on the weight distribution of equipment to be isolated.

F. The isolation materials manufacturer shall be responsible for the structural design of steel beam bases, to support mechanical equipment scheduled to receive a supplementary base.

3.02 INSTALLATION OF ISOLATORS
A. General

1. Isolators shall be installed and loaded per the requirements of the manufacturer except as otherwise indicated.

2. All vibration isolators for a single piece of equipment shall be installed to provide equal deflection and load.

Equipment Unit(s) Design Deflection Isolator
VRF Outdoor Unit and 2î Super W
Condensing Units/Heat
Pumps

2.0î Super W

GENERAL VIBRATION ISOLATION REQUIREMENTS
Incorporate a water hammer arrestor on connections to equipment using a quick closing valve.

Flexible conduits at connections to motors and other vibrating equipment.

Provide suitable flexible piping at connections to vibration isolated equipment such that vibration isolator efficiency is not reduced.

Use resilient elements at all support points where permitted. Where permitted, make no rigid connections between equipment, piping, and the building structure which would degrade the noise and vibration isolation system.

PLUMBING LINES VIBRATION ISOLATION SCHEDULE
Miscellaneous Attachments Type T
23 05 48

VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT Dry Creek WWTP Operations and Lab Building
210015.01

a. Adjust leveling devices as required to distribute loading uniformly onto isolators. b. Shim units as required where leveling devices cannot be used to distribute loading properly.
c. Adjust to ensure that units do not exceed rated operating deflections or bottom out under loading and are not short-circuited by other contacts or bearing points. d. Remove space blocks and similar devices (if any) intended for temporary protection against overloading during installation.

3. Locate isolation hangers as near the overhead support structure as possible.

4. All connections to vibration isolated equipment shall be through flexible connections. This shall include all piping, electrical connections, fuel lines, structural elements, etc.

5. Equipment installed on metal spring isolators shall rock freely or move freely within limits of stop or seismic snubber restraints.

B. Composite Rubber Isolator

1. Install isolator material under bolts and through bolt hole when securing equipment to structure. The isolator shall be separated from the bolt by a heavy flat washer that will not deform under the load.

2. The bolts shall be torqued per isolator manufacturer's guidelines and as required by the elevator equipment manufacturer.

3. Inspect that rubber isolator is not deflected to the point of excess deformation. Ensure that equipment does not contact the building structure.

3.03 FLEXIBLE CONNECTOR INSTALLATION
A. Duct Flexible Connectors

1. Provide at inlet and outlet of each supply and return fan and as shown on drawings.

2. Allow one inch (1") minimum free space between metal collars each side of fabric.

3. Connection shall be nominal six inches (6") wide with material taunt.

END OF SECTION
23 05 53

IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SEE SECTION 23 05 00
PART 2 - PRODUCTS

1.01 IDENTIFICATION
A. Equipment: Black Phenolic Plates engraved with 1/2" high white letters. The equipment shall be identified by the mechanical equipment schedule tag numbers shown on the plans (ie. AC-1, REF-1, ACCU-1). Coordinate identification numbers with electrical contractor to ensure that the disconnect switches and other electrical/mechanical equipment has consistent identification numbers.

B. Controls: Same as equipment above except 1/2" high letters.

1.02 PIPE IDENTIFICATION
A. Maximum spacing for identification shall be 10 feet.

B. Identification shall be provided per the following

1. At both sides of floor or wall penetrations

2. Adjacent to all valves and flanges

3. Adjacent to all changes in direction

4. To be visible from the point of normal approach
C. Indicate flow direction and type of fluid.

D. Provide plastic labels for mechanical engraving with predrilled holes for attachment hardware.

1. Material: rigid plastic laminated impact acrylic, 2-layer, exterior grade, UV stable.

2. Thickness: 3/16 inch minimum.

3. Maximum label size: Length and width vary for required label content but, no less than 2 inches wide by 1 inch high.

4. Background color:

5. Normal power: Black, matte finish.

6. Lettering: White, machine engraved, Futura font, 3/8 inch high, all caps.

7. Maximum temperature: Able to withstand up to 160 degrees Fahrenheit.

8. Fasteners: Self-tapping stainless-steel screws, except contact type permanent adhesive where screws cannot or should not penetrate substrate.
a. Mounting screw type to be number 8 ñ 18 by ½ drilling or tapping style, º inch hex washer head, stainless steel, or similar, appropriate for material in which sign is affixed to. A bead of silicone sealer shall be applied on back of sign and at screw locations prior to affixing sign to equipment.
b. For signs larger than 3 inches by 3 inches, use a minimum of 4 mounting screws.

1.03 PAINTED IDENTIFICATION MATERIALS
A. Stencils: Standard fiberboard stencils, prepared for required applications with the letter sizes generally complying with recommendations of ANSI A13.1 for piping and similar applications but, not less than æ inch high letters for access door signs and similar operational instructions.
23 05 53

IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

B. Stencil paint: Standard exterior type stenciling enamel; black, except as otherwise indicated; either brushing grade or pressurized spray can form and grade.

C. Identification paint: Standard identification enamel of colors indicated or, if not otherwise indicated for piping systems, comply with ANSI A13.1 for colors.

1.04 PIPE IDENTIFICATION
A. General requirements for Manufactured Pipe labels: Preprinted, color-coded, with lettering indicating service, and showing flow direction.

B. Self-adhesive Pipe Labels: Printed plastic with contact-type, permanent-adhesive backing. Brady/Seton, Stranco, Rowmark or equal.

C. Small pipes: For external diameters less than 6 inches, provide full-band pipe markers, extending 360 degrees around the pipe at each location, fastened by one of the following methods:

1. Snap-on application of pre-tensioned semi-rigid plastic pipe marker.

2. Adhesive lap joint in pipe marker overlap.

3. Laminated or bonded application of pipe marker to pipe (or insulation).

4. Taped to pipe (or insulation) with color-coded plastic adhesive tape, not less than 3/4 inch wide; full circle at both ends of pipe marker, tape lapped 1-1/2 inches.

5. Pipe label contents: Include identification of piping service using piping system nomenclature as specified, schedules or shown, and abbreviate only as necessary for each application. Include pipe size and an arrow indicating direction of flow.

6. Flow-Direction Arrows: Integral with piping system service lettering to accommodate both directions or as separate unit on each pipe label to indicate flow direction.

7. Lettering Size: At least 1-1/2 inches high.

D. Locate pipe markers as follows:

1. Within one foot of each valve, fitting, thermometer or gauge.

2. At each branch or riser take off.

3. At each passage through walls or ceiling construction.

4. At each passage to underground.

5. On all horizontal pipe runs every 20 feet, at least twice in each room.

6. Identify piping contents, flow direction, supply and return.

7. At wall and ceiling access panels.

8. Practible variations or changes in locations and spacing may be made with specific approval of the Universityís Representive to meet specific conditions.

A. Color code shall be as follows:

1. Refrigerant Piping - Yellow Background with Black Lettering 23 05 53

IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
Dry Creek WWTP Operations and Lab Building
210015.01

B. Pipe Letter height shall be as follows:

Outside Pipe Diameter
Including Insulation
Minimum Length of Label Minimum Height of Letters
.75î ñ 1.25î 8î .5î

1.5î ñ 2î 8î .75î

2.5î ñ 6î 12î 1.25î
8î ñ 10î 24î 2.5î
Over 10î 32î 3.5î
PART 3 - EXECUTION

1.01 EQUIPMENT AND CONTROL IDENTIFICATION
A. Identify all equipment with permanently attached plates.

B. Identify all controls and controllers except thermostats in finished areas.

1.02 IDENTIFICATION APPLICATIONS
A. Piping and Valves

1. Provide identifications for all valves. Provide tags with lettered inscriptions (not numbered).

END OF SECTION
23 05 93

TESTING, ADJUSTING AND BALANCING
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SEE SECTION 23 05 00
A. Work Included: This Section describes balancing requirements for all phases of HVAC work.

The work includes complete balancing, adjusting and testing of the air and hydronic equipment and systems.

1.02 QUALITY ASSURANCE
A. Testing and Balancing shall be performed in complete accordance with AABC National Standards for Field Measurement and Instrumentation only by an AABC or NEBB licensed contractor.

B. Work shall be performed by an independent test and balance agency that specializes in, and whose business is limited to testing and balancing of air conditioning systems.

C. Instruments used for testing and balancing of systems shall have been calibrated within a period of six (6) months and shall be checked for accuracy prior to start of work.

1.03 SUBMITTALS
A. Provide to the Owner and Contractor with four (4) copies of a balancing agenda prior to start of balancing work including:

1. General description of each air system with its associate equipment and operational cycles for winter heating, reheat, humidification, and cooling. Where different cycles are used for day and night time operation, describe separately.

2. A complete list of all flow and terminal measurements to be performed.

3. Agenda shall also include specific procedures for determining test parameters for flow.

Specify type of instruments to be used, method of instrument application and air terminal correction factors for:
a. Air terminal configuration.
b. Flow direction (supply, return, or exhaust).
c. Effective area application to each size and type of air terminal. d. Density corrections.

4. Furnish a copy of agenda to the engineer and Owner prior to start of work, including qualifications of key personnel assigned to the project.

B. Provide a PDF of final report, containing information outlined in AABC and in Part 3 - EXECUTION.

1.04 NOTIFICATION AND SCHEDULING
A. A pre-balance conference shall be held prior to start as scheduled by the Contractor. Attendees at the meeting shall include representatives of the Balancing Contractor, General Contractor, Mechanical Sub-contractor, Control Sub-contractor, and Owner.

B. The schedule for testing and balancing the HVAC system shall be established in coordination with the Balancing Contractor on a critical path network.

C. The Balancing Contractor is responsible for initiating this continuing coordination to determine schedule for final testing and balancing services.

1.05 COORDINATION WITH OTHER TRADES
A. To bring the HVAC system into a state of readiness for testing, adjusting and balancing, the Mechanical Contractor shall perform the following:
23 05 93

TESTING, ADJUSTING AND BALANCING
Dry Creek WWTP Operations and Lab Building
210015.01

1. Ensure that all splitters, extractor, volume, smoke and fire dampers are properly located and functional. Dampers serving requirements of smoke, minimum and maximum outside, return, relief, and exhaust air shall provide tight closure and full opening, with a smooth and free operation.

2. Verify that all supply, return, exhaust, and grilles, registers, diffusers and terminal units are installed and operational.

3. Ensure that air handling or conditioning systems, units, and associated apparatus, such as heating and cooling coils, filter sections, access doors, etc., are blanked and/or sealed to eliminate excessive bypass or leakage of air. All fans and systems (supply, return, relief, and exhaust) are operating and free of vibration.

PART 2 - PRODUCTS

2.01 INSTRUMENT AND TOOLS
A. Furnish all instrumentation and tools required to perform a complete air and water balance of all systems on this project.

2.02 FLOW METERING SYSTEM
A. Use flow metering systems specified and/or furnished to perform air and water balance.

PART 3 - EXECUTION

3.01 GENERAL
A. Coordinate required locations of duct test openings and damper locations specified in other sections.

B. Coordinate work done by testing and balancing agency with work of other trades.

C. Plan Check and Review:

1. Review location and type of volume dampers inlet conditions to air terminals, valves and HVAC equipment.

2. Review location, type and size of balancing valve, flow metering stations and automatic control valves in the water flow system.

3. Review location of pressure sensors in the air and water distribution systems.

4. Review automatic control systems as they affect the test and balance procedure.

5. Review sheet metal and piping shop drawings to verify the installation of flow control devices.

D. Job Site Inspections

1. Check for necessary balancing hardware (dampers, flow meters, valves, pressure taps, thermometer wells, etc.) to determine if they are installed properly and readily accessible.

2. Identify and report possible restrictions in systems (closed smoke/fire dampers, fire dampers, long runs of flexible duct, poorly installed duct fittings.

3. The mechanical contractor shall make any changes in pulley, sheaves; supply new pulleys, sheaves, belts as required. In addition, the Mechanical Contractor to add dampers, etc.

Necessary for correct balance at no additional cost to the Owner.

4. Check for necessary balancing hardware (dampers, flow meters, valves, pressure taps, thermometer wells, etc.) to determine if they are installed properly and readily accessible.

E. Identify and report possible restrictions in systems (closed smoke/fire dampers, fire dampers, long runs of flexible duct, poorly installed duct fittings. 23 05 93

TESTING, ADJUSTING AND BALANCING
Dry Creek WWTP Operations and Lab Building
210015.01

3.02 TESTING
A. Testing equipment shall be furnished by the contractor; testing personnel shall be competent to conduct the tests.

B. Test all ductwork for excessive leakage and/or noise. Testing on any completed section of the ductwork must be made before installation of the finished ceiling or before the ductwork is furred in inaccessible spaces. Any leaks found must be properly repaired or joints remade and the section retested until tight. Any leaks which cause an objectionable noise must be repaired, regardless of the amount of leakage.

C. Should any piece of an apparatus or any material or work fail in any of the tests, it shall be immediately removed and replaced by new material, and portion of the work replaced shall again be tested by Contractor at his own expense.

3.03 OPERATIONAL TESTS AND ADJUSTMENTS
A. Upon completion of the work, all equipment and systems shall be operated and tested for a period of at least three consecutive days to demonstrate their satisfactory overall operation. On the last day of this period, the Contractors shall arrange for an acceptance test and final inspection by the Owner. All necessary adjustments and corrections to the systems shall be made prior to acceptance test so that the systems are operating smoothly and properly and absolutely ready before check and acceptance.

B. Coordination of all items associated with the mechanical systems is the responsibility of the mechanical contractor, including all wiring in connection with mechanical equipment, and all temperature control work. It shall be this contractor's responsibility to determine that his systems, equipment and apparatus are properly wired and controlled and completely ready for satisfactory operation and test.

C. Immediately before starting tests, all air filters shall be replaced as hereinbefore specified. All motors checked for rotation and all bearings lubricated.

D. Operating and safety controls shall be tested at least three times, under ambient design conditions.

3.04 AIR BALANCE
A. Changes, additions and modifications to dampers, pulleys and/or drive belts and other equipment necessary for proper air balance shall be provided by the Mechanical Contractor at no additional cost to the Owner.

B. The Mechanical Contractor shall retain the services of an independent certified test and balance agency to provide a complete air balance. All work shall be done by using instruments certified accurate to limits used in standard practice for testing and balancing of air distribution for heating-cooling systems.

C. Study design specifications and engineering drawings and prepare schedule to physically inspect mechanical equipment for air distribution systems to be tested and balanced.

D. Prepare test and balancing schedule, test record forms and necessary technical information about the air distribution systems for installed heating-cooling equipment, and fan systems, for complete total air balance.

E. Recommend adjustments and/or corrections to mechanical equipment and air distribution systems that are necessary for proper balancing of air handling systems.

F. Upon completion of the air handling system, the Air Balance Agency shall complete tests, analysis and balance of the air handling systems for heating-cooling equipment. The 23 05 93

TESTING, ADJUSTING AND BALANCING
Dry Creek WWTP Operations and Lab Building
210015.01

Air-Balance Agency then shall submit four copies of balance report to the Mechanical Contractor for forwarding to the Architect for evaluation and approval.

G. Air Balance Report shall include the following data

1. Design specifications of air handling equipment
a. CFM
b. Static Pressure
c. % of Outside Air
d. Fan Motor HP
e. Fan Motor BHP
f. Fan RPM

2. Installed equipment data
a. Manufacturer
b. Identifying Data

3. Balancing test data
a. Fan Speed
b. Fan Operating amperes
c. Fan Operating BHP
d. Fan Duct sizes
e. Air Velocity (avg.)
f. Total CFM
g. Static Pressures
h. Design Specifications of grilles and/or diffusers
i. Manufacturer No. and Data
j. FPM
k. CFM

4. Installed equipment data
a. Manufacturer No. and Data
b. Location

5. Balancing test data
a. FPM
b. CFM
H. All outlets shall be set for the air pattern shown on plans.

I. Supply and return air dampers shall be set for design CFM, on heating and cooling cycle.

J. Test and balance shall correct for air density at 6000 ft. elevation and above.

3.05 OWNERS INSTRUCTION
A. Review the installation of all equipment and controls with the Owner after all systems are operating automatically. Instruct the Owner in the adjustment of all control and equipment devices. Allow a minimum of 8 hours for this instruction.

END OF SECTION
23 07 00

HVAC INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 01 00 00, GENERAL REQUIREMENTS, apply to the work in this section.

B. See 23 05 00

1.02 SECTIONS INCLUDE
A. This Section describes insulation materials, methods, and applications for HVAC Mechanical Work, Special or specific details, applications, features, or methods may be described in work descriptions Sections or on the drawings.

1.03 REFERENCES
A. Thermal insulation materials shall meet the property requirements of one or more of the following specifications as applicable to the specific product or end use:

1. American Society for Testing of Materials Specifications:
a. ASTM C 547, "Standard Specification for Mineral Fiber Pipe Insulation" b. ASTM C 585, "Standard Practice for Inner and Outer Diameters of Rigid Thermal Insulation for Nominal Sizes of Pipe and Tubing (NPS System)" c. ASTM C 1136, "Standard Specification for Flexible, Low Permeanace Vapor Retarders for Thermal Insulation"

1.04 SYSTEM PERFORMANCE
A. Insulation materials furnished should meet the minimum thickness requirements of National Voluntary Consensus Standard 90.1 (Latest edition), "Energy Efficient Design of New Buildings," of the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE).

B. Insulation materials furnished and installed hereunder shall meet the fire hazard requirements of applicable building codes when tested in composite form per one of the following nominally equivalent test methods:

1. American Society for Testing of Materials ASTM E 84

2. Underwriters' Laboratories, Inc. UL 723, CAN/ULC-S102-M88

3. National Fire Protection Association NFPA 255
C. Molded pipe insulation shall be manufactured to meet ASTM C 585 for sizes required in the particular system.

D. Molded fibrous glass pipe insulation shall comply with the requirements of ASTM C 547.

1.05 QUALITY ASSURANCE
A. Qualifications of Installers: only a licensed firm employing installers specifically skilled and experienced in applying insulation to piping shall do Insulation work.

B. Insulation materials and accessories furnished and installed hereunder shall, where required, be accompanied by manufacturers' current submittal or data sheets showing compliance with applicable specifications listed in above.

C. Insulation materials, including all weather and vapor barrier materials, closures, hangers, supports, fitting covers, and other accessories, shall be furnished and installed in strict accordance with project drawings, plans, and specifications. 23 07 00

HVAC INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

D. Insulation materials and accessories shall be installed in a workmanlike manner by skilled and experienced workers who are regularly engaged in commercial insulation work.

E. Codes and Standards:

1. California Code of Regulations - Title 24.

2. National Fire Protection Association - 90A.

1.06 DELIVERY AND STORAGE OF MATERIALS
A. All of the insulation materials and accessories covered by this specification shall be delivered to the job site and stored in a safe, dry place with appropriate labels and/or other product identification.

B. The contractor shall use whatever means are necessary to protect the insulation materials and accessories before, during, and after installation. No insulation material shall be installed that has become damaged in any way.

C. If any insulation material has become wet because of transit or job site exposure to moisture or water, the contractor shall not install such material, and shall remove it from the job site. An exception may be allowed in cases where the contractor is able to demonstrate that wet insulation when fully dried out (either before installation or afterward following exposure to system operating temperatures) will provide installed performance that is equivalent in all respects to new, completely dry insulation. In such cases, consult the insulation manufacturer for technical assistance.

PART 2 - PRODUCTS

2.01 DUCT INSULATION ñ SEE 23 07 13

2.02 HVAC PIPING INSULATION ñ SEE 23 07 19
PART 3 - EXECUTION

3.01 APPLICATION / INSTALLATION
A. Use the types and thickness of insulation specified in work description Sections.

B. Apply insulations in accordance with the manufacturer's recommendations and with instructions specified herein or noted on the drawings.

C. Install insulations only after the systems, items, and equipment have been installed and tested, inspected, and accepted. Exceptions: Slip-on piping insulation and equipment insulations installed at the factory.

D. Fit insulation snugly to the item being insulated; butt all joints tightly with no voids, spaces, or thin spots.

E. Seal all joints completely; where sealing tape is used, center the tape over the joint.

F. Except where specified or necessary, do not use staples or fasteners which penetrate vapor barrier jackets or covers on cold systems or equipment; where such penetrating fasteners are used, seal each penetration completely to maintain the vapor barrier integrity. All penetrations of the ASJ and exposed ends of insulation shall be sealed with vapor barrier mastic. Vapor seals at butt joints shall be applied at every fourth pipe section joint and at each fitting to provide isolation of water incursion.

G. Use adhesives, mastics, cements, sealants, and finishes undiluted unless specifically directed otherwise; apply per manufacturer's directions.
23 07 00

HVAC INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

H. Install outdoor jacketing or other specified weather proofing or finishing on all insulations outdoors.

I. Install all indoor exposed insulation with extra care and finish neatly.

J. Follow specified methods of installation unless alternative methods are submitted and approved.

3.02 FINISHING
A. Finishes and Protection:

1. Insure that the exterior finish of all insulation is applied and complete as specified

2. Make ready for painting, or painted to match existing including color where specified for paint.

3. Install all metal jackets or protective sheathing where specified.

B. Repair, Touchup: Properly repair and touchup all dents, rips, tears, or other damage inflicted on jackets or exterior surfaces of insulation. Breaks or punctures in the vapor barrier of external insulation will not be accepted and must be repaired prior to project acceptance.

END OF SECTION
23 07 13

DUCT INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 GENERAL REQUIREMENTS
A. See Section 23 07 00
B. A continuous, intact vapor barrier is critical for ducts.

C. All insulation material shall have a mold, humidity, and erosion resistant face that has met the requirements of CMC Table 1701.

D. Insulation applied to the exterior surface of ducts located in buildings shall have a flame spread of no more than 25 and a smoke developed rating of not more than 50.

E. Insulate all above grade ductwork unless otherwise shown on the drawings or specified in Section 23 31 16 METAL DUCT.

PART 2 - PRODUCTS

2.01 ID-1 FLEXIBLE BLANKET/VAPOR BARRIER FACED
A. Glass fiber reinforced Kraft/aluminum foil faced flexible blanket of 1.5 PCF nominal density resin bonded fibrous glass, have a installed thermal conductivity k factor of 0.25 at 75 F.; suitable for direct application and service on cold and dual temperature ductwork.

B. Supply FSK jacket with a permeance of 0.02 or less
C. Fiberglass insulation with all service facing, Certainteed Type 150 with Type IV facing, Johns Manville Microlite with FSK facing.

PART 3 - EXECUTION

3.01 APPLICATIONS
A. Supply Air Ducts indoors/concealed

1. Use System ID-1 (Flexible Blanket / Vapor Barrier Faced a. 2î thickness for all sizes; installed R-value = 6.3 minimum b. Applies to all cross sections (I.E. rectangular, circular, etc.) B. Return Air Ducts indoors/concealed

1. Use System ID-1 (Flexible Blanket / Vapor Barrier Faced a. 1 ½" thickness for all sizes; installed R-value = 4.7 minimum. b. Applies to all cross sections (I.E. rectangular, circular, etc.) C. Do not externally insulate the following unless otherwise shown on the drawings or specified:

1. Lined ductwork (indoors).

2. Ducts constructed of fibrous glass (flexible or rigid).

3. Above grade ducts conducting exhaust air or ventilating air (not heated or cooled and used for fresh air supply) unless otherwise noted.

4. Exposed ducts located in conditioned space.

3.02 INSTALLATION FLEXIBLE BLANKET/VAPOR BARRIER FACED
A. Install on supply and return ductwork so that condensation will not occur.

B. Wrap around ducts, butt all joints. Secure with 3î (minimum) width tape at 18" (maximum) intervals along the duct; tape may be of the same material as the insulation facing with a pressure sensitive adhesive on one side or may be Hardcast DT490-C mineral impregnated woven synthetic fiber using Hardcast FTA-20 roller. In addition, on rectangular and cross 23 07 13

DUCT INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

section ducts, secure to the flat bottoms more than 18" wide with SticKlip fasteners only with 1 ½" diameter washers at 16" centers both ways; one centered longitudinal row is sufficient for ducts up to 36" flat bottom width.

C. Seal all seams and joints with 3" (minimum) width tape centered along the edge of the lap;tape shall be as specified above.

D. Seal all fastener penetrations with 3" x 3" (minimum) tape centered over the washer; tape shall be as specified above.

E. Where strap type duct supports penetrate the insulation, slit the insulation and facing, fit around the straps, and seal with tape as specified above; tape shall be of size to suit the situation and be applied in the number of layers necessary to obtain complete sealing.

F. At trapeze or similar type duct supports, insert a 12" wide strip of Armaflex insulation, ½" thick between duct bottom and the supporting member across and 6" beyond both ends of the bearing surface. Lap ducts insulation over this insert and seal the same as other lapped seams.

G. Insulate all flexible duct connectors to the same thickness as adjacent duct insulation.

H. Continue insulation on terminal unit inlets to cover the entire inlet collar.

I. Insulate over all duct access doors with the same thickness as adjacent duct insulation. Provide removable insulation piece with an outer label on the insulation identifying the type of door.

3.03 INSTALLATION: FLEXIBLE BLANKET/COATED LINER
A. Apply a 1/16" thick coat of Foster 85-62 JacTac 3-M Company Scotch Grip #38, Childers-125-1, adhesive or duct butter on all end or edges of cuts, rips, etc., before or while installing.

B. Secure to the ductwork with welded or SticKlip, fasteners with 1 ½" diameter washers with cupped or beveled heads. Set at 16 (maximum) on centers both ways; provide a row of pins within 1" of all edges and joints, and one row of pins (minimum) on each flat duct or plenum face. In addition secure the entire perimeter of all edges at seams or joints with a 4" minimum width application of the above specified adhesive. The upstream edge of all duct liner shall have a sheet metal closure to protect against erosion.

C. Fasteners shall compress the liner no more than 1/8î.

D. Clip off protruding ends of fastener pins in plenums.

END OF SECTION
23 07 19

HVAC PIPING INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 GENERAL REQUIREMENTS

1.02 SEE SECTION 23 07 00.

A. A continuous, intact vapor barrier is critical for all pipes conveying fluids at temperatures less than 75o F.

B. All insulation material shall have a mold, humidity, and erosion resistant face that has met the requirements of CMC Table 1701.

C. Insulation applied to the exterior surface of pipes located in buildings shall have a flame spread of no more than 25 and a smoke developed rating of not more than 50.

D. All requirements of Section 23 07 00 apply to this section.

PART 2 - PRODUCTS

2.01 IP-1 RIGID MOLDED SECTIONAL.INDOOR CONCEALED JACKET A. Regular shape (straight run)

1. Molded sectional, factory fabricated of heavy density resin bonded fibrous glass, with integral factory applied all service jacket of Kraft paper/aluminum foil/glass fiber reinforcement.7

2. Insulation shall have a thermal conductivity k factor of 0.23 at 75o F. mean temperature and be suitable for direct application and service on piping having operating surface temperatures of ñ60 degrees to 450 degrees F.

3. Jacket shall:
a. Extend 1 ½" (minimum) along one edge of longitudinal joint to form a sealing lap which shall be faced inside with a paper protected pressure sensitive adhesive; b. Have a permanence rating of 0.02 perm/in. and a Beach puncture resistance of 50 units;
c. Have an exterior suitable for painting with latex or water base paint.

4. All insulation shall have composite (insulation, jacket, tape seal and adhesive used to adhere jacket to the insulation) Fire and Smoke Hazard ratings as tested under procedure ASTM E-84, NFPA 255 and UL 723, not exceeding Flame Spread of 25 and a Smoke Developed of 50. PVC fitting covers and accessories, such as adhesives, mastics, cements and cloth for fittings shall have the same component ratings.

5. Paper laminate jackets shall be permanently flame and smoke resistant. Chemicals used for treating paper in jacket laminates shall not be water soluble and shall be unaffected by water and humidity.

6. Fiberglass Schuler-Manville Micro-Lok, or equal.

B. Irregular shape (fittings, flanges, valves, etc.)

1. Fibrous glass of same density, thickness, and other properties or characteristics as the adjacent regular shape insulation either pre-molded or field forged to fit the item being insulated. The pre-molded insulation shall be provided with weather protection cover.

2.02 IP-2 RIGID MOLDED SECTIONAL/OUTDOOR JACKET

1. Regular shape (straight run)

2. Molded sectional, factory fabricated of heavy density resin bonded fibrous glass, with integral factory applied all service jacket of Kraft paper/aluminum foil/glass fiber reinforcement.
23 07 19

HVAC PIPING INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

3. Insulation shall have a thermal conductivity k factor of 0.23 at 75 degrees F. mean temperature and be suitable for direct application and service on piping having operating surface temperatures of ñ60 degrees to 450 degrees F.

4. Jacket:
a. Straight runs: .016" thick smooth sheet aluminum finish. b. Irregular shapes:
1) Surefit Aluminum Pipe Fitting Covers for pipes up to 6î. 2) Mitered aluminum sheet matching straight run jacketing for pipes over 6î. c. Alternative jacketing: Schuler-Manville Type ML, metal jacketing system.

5. All insulation shall have composite (insulation, jacket, tape seal and adhesive used to adhere jacket to the insulation) Fire and Smoke Hazard ratings as tested under procedure ASTM E-84, NFPA 255 and UL 723, not exceeding Flame Spread of 25 and a Smoke Developed of 50. PVC fitting covers and accessories, such as adhesives, mastics, cements and cloth for fittings shall have the same component ratings.

6. Paper laminate jackets shall be permanently flame and smoke resistant. Chemicals used for treating paper in jacket laminates shall not be water soluble and shall be unaffected by water and humidity.

7. Fiberglass Schuler-Manville Micro-Lok, or equal.

B. Irregular shape (fittings, flanges, valves, etc.)

1. Fibrous glass of same density, thickness, and other properties or characteristics as the adjacent regular shape insulation, either pre-molded or field forged to fit the item being insulated. The pre-molded insulation shall be provided with weather protection cover.

2.03 IP-3 ELASTOMERIC FOAM
A. Insulation shall be Elastomeric Foam Insulation. Insulation should have a maximum service temperature of 210o F, a minimum service temperature of ñ40 degrees F., and a "K" factor of .28 at 75 degrees F. The flame spread of the insulation shall be 25 or less, and smoke density shall be 50 or less when tested in accordance with ASTM E84.

B. Provide U.V. protective coating for all outdoor applications similar to Fosters 30-64 coating.

C. Rubatex R-180-FS/R-1800-FS, Armstrong Armaflex or equal

2.04 IP-4 CLOSED CELL POLYOLEFIN
A. Closed cell flexible plastic foam insulation should have a "k" factor of 0.27 or less at 75 degrees F and water vapor permeability of .2 perm-inch or less. The manufacturer shall warrant the insulation to be able to be directly buried underground without any protective jacket.

B. Closed Cell Polyolefin in tubular form shall comply with ASTM C-534, UL 94HBF, UBC 42-1 Class I, ASTM E-84 (25/50), NFPA 255 (25/50), UL 723(25/50), FMVSS-302, CAN-ULCS102.2-M88 (25/50) Flammability Classification, MEA#267-92-M, New York.

C. Provide U.V. protective coating for all outdoor applications D. IMCOA Imcolock or equal.

2.05 IP-5 RIGID MOLDED SECTIONAL/INDOOR EXPOSED JACKET
A. Regular shape (straight run)
B. Molded sectional, factory fabricated of heavy density resin bonded fibrous glass, with integral factory applied all service jacket of Kraft paper/aluminum foil/glass fiber reinforcement.

C. Insulation shall have a thermal conductivity k factor of 0.23 at 75 degrees F. mean temperature and be suitable for direct application and service on piping having operating surface temperatures of ñ60 degrees to 450 degrees F.
23 07 19

HVAC PIPING INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

1. Jacket:
a. Straight runs: PVC fitting covers with vapor barrier. b. Irregular shapes:
1) Amerisafe, factory molded aluminum covers, or
2) Mitered aluminum sheet matching straight run jacketing; or c. Alternative jacketing: Schuler-Manville Type ML, metal jacketing system.

2. All insulation shall have composite (insulation, jacket, tape seal and adhesive used to adhere jacket to the insulation) Fire and Smoke Hazard ratings as tested under procedure ASTM E-84, NFPA 255 and UL 723, not exceeding Flame Spread of 25 and a Smoke Developed of 50. PVC fitting covers and accessories, such as adhesives, mastics, cements and cloth for fittings shall have the same component ratings.

3. Paper laminate jackets shall be permanently flame and smoke resistant. Chemicals used for treating paper in jacket laminates shall not be water soluble and shall be unaffected by water and humidity.

4. Fiberglass Schuler-Manville Micro-Lok, or equal.

D. Irregular shape (fittings, flanges, valves, etc.)

1. Fibrous glass of same density, thickness, and other properties or characteristics as the adjacent regular shape insulation, either pre-molded or field forged to fit the item being insulated. The pre-molded insulation shall be provided with PVC protection cover.

PART 3 - EXECUTION

3.01 PIPING APPLICATIONS
NOTE: Where multiple systems are listed, contractor has the option to choose.

A. Condensate (CD) water piping above grade/indoors:

1. Use System IP-3. (Elastomeric Foam).
a. 1" thickness for all sizes

2. Use System IP-4. (Closed Cell Polyolefin).
a. 1" thickness for all sizes

3. Use System IP-1. (Rigid Molded Sectional/Indoor Jacket) with vapor barrier. a. 1" thickness for all sizes
B. Condensate (CD) water piping below computer room floor:

1. Use System IP-3 Elastomeric Foam with vapor barrier or IP-4 Closed Cell Polyolefin. a. 1" thickness for all sizes
b. Insulate all waste piping downstream of condensate receptors (CDR) inside of the return air plenum.

C. Refrigerant (RS) ñ Suction piping above grade/indoors

1. Use System IP-3 (Elastomeric Foam)
a. 1" thickness for all sizes
D. Refrigerant (RS) ñ Suction piping above grade/outdoors

1. Use System IP-2 (Elastomeric Foam)
a. 1" thickness with U.V. protection for all sizes
E. Refrigerant (HG) ñ Hot gas piping above grade/indoors

1. Use System IP-3 (Elastomeric Foam)
a. 1" thickness for all sizes
F. Refrigerant (HG) ñ Hot gas piping above grade/outdoors

1. Use System IP-2 (Elastomeric Foam)
a. 1" thickness with U.V. protection for all sizes
23 07 19

HVAC PIPING INSULATION
Dry Creek WWTP Operations and Lab Building
210015.01

3.02 INSTALLATION
A. Unless specifically excluded herein or on the drawings, insulate all parts of hot and chilled water piping systems, steam piping, and condensate drains including fittings, flanges, valves, and pipe-mounted devices, except do not cover nameplates on devices.

B. Install insulation in removable sections over unions, flanges, and line components or devices requiring periodic maintenance.

C. Install insulation butted tightly to transitions such as insulated pipe shields, insulated pipe sleeves, equipment connections, etc.

D. Install insulation on all chilled water piping systems so that condensation will not occur. Insulate all chilled water pipe supports where hanger is directly in contact with pipe up to the point of connection to the building structure. All piping shall be supported in such a manner that neither the insulation nor the vapor/weather barrier is compromised by the hanger or the effects of the hanger. In all cases, hanger spacing shall be such that the circumferential joint may be made outside the hanger. On cold systems, vapor barrier shall be continuous, including material covered by the hanger saddle.

E. Treat equipment face piping as follows:

1. Where piping is subject to condensation (chilled water systems, domestic water systems, rain water leaders, condensate drains) and where installed above grade outdoors (either hot or cold systems) insulate piping completely to the point of equipment connection.

2. Where not subject to condensation (hot systems) terminate insulation at the outlet side of the equipment shut-off valve, leaving the face piping un-insulated, 24î max, unless noted otherwise, except where exposed to outdoors.

F. Install insulation materials with smooth and even surfaces. Insulate each continuous run of piping with full-length units of insulation, with single cut piece to complete run. Do not use cut pieces or scraps abutting each other. Butt insulation joints firmly to ensure complete, tight fit over all piping surfaces.

G. Maintain the integrity of factory-applied vapor barrier jacketing on all pipe insulation, protecting it against puncture, tears or other damage. All staples used on cold pipe insulation shall be coated with suitable sealant to maintain vapor barrier integrity.

H. Rigid Molded Sectional/Jacketed:

1. Comply with applicable general instructions above.

2. Apply to all hot water and chilled water piping (except where specified or noted otherwise) installed above grade indoors and outdoors, concealed or exposed.

3. Seal all transverse joints (except at PVC fitting jackets) with circumferentially applied 3" (minimum) width tape of same material as the jacket, faced with the same adhesive as the longitudinal lap, or seal with Hardcast 4" wide Type DT490-C mineral impregnated woven fiber tape (synthetic fiber indoors, cotton fiber outdoors) using Hardcast FTA-20 activator/adhesive applied by brush or roller. Seal transverse joints at PVC fittings jackets with color matching PVC tape and vapor barrier mastic adhesive.

4. Fittings and valves shall be insulated with pre-formed fiberglass fittings, fabricated sections of fiberglass pipe insulation, blanket insulation, or insulating cement. Thickness shall be equal to adjacent pipe insulation. Finish shall be with pre-formed PVC fitting covers or as otherwise specified on contract drawings.

5. Flanges, couplings and valve bonnets shall be covered with an oversized pipe insulation section sized to provide the same insulation thickness as on the main pipe section. An oversized insulation section shall be used to form a collar between the two insulation sections with low-density blanket insulation being used to fill gaps. Jacketing shall match that used on straight pipe sections. Rough-cut ends shall be coated with suitable weather or vapor resistant mastic as dictated by the system location and service. 23 07 19

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6. On hot systems where fittings are to be left exposed, insulation ends should be beveled away from bolts for easy access.

7. On cold systems, particular care must be given to vapor sealing the fitting cover or finish to the pipe insulation vapor barrier. All valve stems shall be sealed with caulking to allow free movement of the stem but provide a seal against moisture incursion.

8. Fit insulation terminations with Zeston, Snap Form, end cap jackets, or seal with Hardcast tape as specified above for joints.

9. On all piping (except equipment face piping) installed outdoors, install outdoor jacketing.

Install aluminum sheet jacket with all joints turned down at 45° below horizontal; secure in place with non-corroding bands and/or blind rivets (do not puncture vapor barrier insulation jacket). On equipment face piping (including equipment shut-off valve) coat the insulation with º" thick Fosters 30-80 or Childers CP-38 outdoor vapor barrier coating reinforced with fosters Mast a Fab or Childers Chil Glas #10 and finished with two (2) coats of aluminum paint.

10. Penetrations
a. Extend piping insulation without interruption through walls, floors, and similar piping penetrations, except where otherwise specified.

I. Closed Cell Polyolefin:

1. Install pre slit, pre-glued closed cell polyolefin foam pipe insulation as per manufacturer's recommendations. Seal all joints and seams with Fuse-Seal Gun or with Armstrong 520 adhesive or equal in accordance with manufacturer's written instructions. Fabricate fitting covers from polyolefin foam insulation using same procedure.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED SECTIONS
A. The General Conditions of the Contract, Supplementary Conditions, and General Requirements are part of this specification and shall be used in conjunction with this section as part of the contract documents. Consult the above for further instructions pertaining to this work. The Contractor is bound by the provisions of Division 1.

1.02 CONTROL SYSTEM DESCRIPTIONS
A. The Building Automation System (BAS) shall be as indicated on the drawings and described in these specifications. System shall include a network of commercial Internet-programmable thermostats, their accessories, and any other networked devices required for complete climate management. Devices shall communicate across a wireless network using IEEE 802.15.4 technical standards. Wireless communication shall be of an automated mesh communication type, which self-establishes network addresses, communication routes, and all other setup requirements to establish connection across the entire campus. A single Ethernet-connected Gateway shall be able to connect the wireless mesh network to the Internet, allowing for climate management through a cloud based web-application. This network design is to be used to isolate the BAS from the ownerís private Ethernet network (LAN) and/or WiFi networks. IEEE 802.11 or any other wireless standard of communication or a wired network communication protocol between devices is not acceptable by these BAS specifications. The Gateway is to connect to a single outbound Ethernet connection on the ownerís wide area network (WAN) over a TCP/IP connection. The ownerís firewall shall not require any inbound port assignments for the Gateway to connect to the cloud servers. The Gateway shall not require a Public IP and it shall not run any standard available operating systems, such as Windows or Linux.

B. Access and control of BAS shall be through a web-based graphical management platform. The BAS platform shall sit on a cloud server and be accessible on both local personal computers and remotely by use of a web-browser that supports HTML5 or later.

C. No on-site servers are to be installed or used for the BAS. No licensing fees or future licensing fees shall be required as part of the BAS. These specifications and guidelines are to create a cohesive and secure network that provides full management over the facilityís climate through the cloud BAS.

D. The BAS shall accommodate an unlimited simultaneous multiple-user operation. Access to the BAS shall be limiting based on security permissions of each operatorís role managed by owner site Administrators.

1.03 APPROVED BUILDING AUTOMATION SYSTEM MANUFACTURERS
A. Pelican Wireless Systems

1.04 SUBMITTALS
A. Shop drawings and manufacturer's standard specification data sheets on all hardware shall be provided for this project. No work may begin on any segment of this project until the Engineer and Owner have reviewed submittals for conformity with the plan and specifications. For Engineered shop drawings specific to the mechanical equipment and design requirements, contact Tom Hardy of RSD/Total Control at 916.780.5929.

B. All submittals shall be bound, in a three-ring binder, or provided digitally on a USB stick with a table of contents and related section tabs. Five (5) copies shall be submitted to the Architect or Engineer for distribution and review.
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C. Shop drawings shall include basic floor plans depicting locations of all equipment and wiring (installed by others) to be controlled by system and locations of thermostats, gateways, and other equipment provided under this section. Drawings shall also show location of electrical power, low voltage wiring and data ports, provided by others, required for proper installation of systems of this section.

D. The Engineer will make corrections, if required, and return to the Contractor. The Contractor will then resubmit with the corrected or additional data. This procedure shall be repeated until all corrections are made to the satisfaction of the Engineer and the submittals are fully approved.

1.05 SYSTEM STARTUP & COMMISSIONING
A. Each BAS component in the system shall be tested for both hardware and software functionality. In addition, each mechanical and electrical system under control of the BAS will be tested against the appropriate sequence of operation specified herein. Documentation shall be provided to the owner that proves installation and testing has been completed and points out any mechanical issues found which are not related to the installation of the BAS. Successful B. Completion of the system tests shall constitute the beginning of the warranty period.

C. The BAS Contractor shall provide all manpower and engineering services required to assist the HVAC Contractor and Balancing Contractor in testing, adjusting, and balancing all systems in the building. The BAS Contractor shall have a trained technician available on request during the balancing of the systems. The BAS Contractor shall coordinate all requirements to provide a complete air balance with the Balancing Contractor and shall include all labor and materials in his contract to assist with functional testing of system as it relates to the BAS.

D. Upon completion of installation, submit three (3) copies of record documents. The documents shall be submitted for approval prior to final completion and include:

1. Testing and Commissioning Reports and Checklists signed off by trained field commissioning personnel.

2. Name, address and telephone number of Contractor personnel managing and installing equipment, along with service personnel responsible for supporting the ongoing warranty and services of the control system.

3. Procedures for operating the BAS, including logging on/off, alarm management, reading reports, trends, modification of setpoints, scheduling, and other interactive system requirements.

4. Provide information on how to receive support from Pelican Wireless Systems and communicate that they are a direct supporting resource. Contact information for Technical Support from Pelican Wireless Systems is to be provided.

1.06 CODES AND STANDARDS
A. Codes and Standards. Meet requirements of all applicable standards and codes, except when more detailed or stringent requirements are indicated by the Contract Documents, including requirements of this Section:

1. California 2022 Title 24 Compliant

2. California Energy Commission Occupant Control Smart Thermostat (OCST) certified

3. OpenADR 2.0 certified

1.07 TRAINING
A. The BAS Contractor shall provide training for two (2) owner representatives and/or maintenance personnel. The BAS Contractor shall provide on-site training to the representative(s) and maintenance personnel per the following description:
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a. On-site training shall consist of a minimum of (1) hours, as indicated above of hands-on instruction geared at the operation and maintenance of the systems. The curriculum shall include:
ï System Overview
ï System Application and Operation
ï System Access
ï Application Features Overview
ï Changing Set Points and other attributes
ï Scheduling
ï Editing configurable variables
ï Graphics
ï Viewing Historical Reports
ï Operational sequences including start-up, shutdown,
adjusting and balancing
ï Equipment maintenance

1.08 OPERATING AND MAINTENANCE MANUALS
A. The operation and maintenance manuals shall contain all information necessary for the operation, maintenance, replacement, installation, and parts procurement for the entire BAS.

B. Following project completion and testing, the BAS contractor will submit as-built documentation reflecting the exact installation of the system.

1.09 WARRANTY
A. The BAS contractor shall warrant the system for 12 months after system acceptance and beneficial use by the owner. During the warranty period, the BAS contractor shall be responsible for all necessary revisions as required to provide a complete and workable system consistent with the letter and intent of the Sequence of Operation section of the specification.

BAS equipment shall include a limited-warranty by the manufacturer for a period of five (5) years from the time of system acceptance.

B. Limited-warranty by manufacturer is limited to replacement of defective products.

1.10 WORK REQUIRED BY THE CONTRACTOR
A. The BAS Contractor shall coordinate with other contractors prior to performing the work on this project and cooperate as necessary to achieve a complete and neat installation. To that end, each contractor shall consult the drawings and specifications for all trades to determine the nature and extent of their work.

B. Prior to fabrication and installation. The owner's representative shall be immediately notified if an area of conflict occurs between trades prior to fabrication and installation. BAS Contractor shall provide field supervision to the Contractor for pre-installation of control components.

C. Low-voltage thermostat wiring between equipment and thermostat locations shall be furnished and installed by the Contractor. Unless otherwise noted, all low-voltage wiring shall be multiple conductor thermostat wiring (wire count as indicated in Thermostat Manufacturer's Installation Instructions) installed per owner's specifications. Wiring shall be minimum three (3) conductor/18-gauge wires per BAS manufacturer's standard specifications, multiple conductor/18-gauge thermostat wiring preferred - see Installation Instructions for specific conductor counts depending on heating and cooling modes.

D. Related work provided by the Contractor:

1. 110V outlets shall be provided within five (5) feet of each Gateway or Wireless Repeater location.
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2. One (1) Ethernet data port shall be provided within ten (10) feet of each Gateway location.

E. Equipment start-up and servicing.

1.11 SCOPE OF WORK
A. Except where otherwise noted, the system shall consist of a network of commercial Internetprogrammable thermostats, their accessories, and any other networked climate management device(s) required to fill the intent of the specification, sequence of operations, and provide for a complete and operable system.

B. The BAS contractor shall review and study building/site conditions where applicable and all construction drawings for the project including HVAC drawings and the entire project specifications to familiarize themselves with the equipment and system operation prior to bidding and submittal of a bid/price and notify the owner immediately of any conflicts between the project and the scope of work of this section.

C. All equipment and installation of control devices associated with the equipment listed below shall be provided under this BAS contractor.

D. When the BAS is fully installed and operational, the BAS contractor will make themselves available to meet with the designated representatives of the owner to review the as-installed condition of the system. At that time, the BAS contractor E. Shall demonstrate the operation of the system and prove that it complies with the intent of the drawings and specifications.

F. The BAS contractor shall furnish and install a complete BAS control system, including all necessary hardware and all operating and applications software necessary to perform the control sequences of operation as called for in this specification.

G. Provide and install BAS controls for the HVAC Equipment as noted on the drawings.

H. Provide technical support necessary for commissioning of system in coordination with the HVAC Contractor, Balancing Contractor, and the owner's team.

I. Shall provide one training session in the operation of the system for owner's personnel.

J. All work performed under this section of the specifications will be in compliance with all codes and regulations as mandated by the authority having jurisdiction.

PART 2 - PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS
A. Unless otherwise noted, all product shall be of a single manufacturer. The standard of design and quality shall be products as manufactured by Pelican Wireless Systems.

2.02 COMMUNICATION
A. This project shall be comprised of a network of devices that use an IEEE 802.15.4 self-creating and self-healing wireless mesh communication network to reach an Ethernet Gateway.

B. The Gateway shall communicate to cloud servers via a single Ethernet connection at the ownerís wide area network (WAN) over a TCP/IP connection. The facilityís firewall shall not require any inbound port assignments for the Gateway to connect to the cloud servers. The Gateway shall not require a Public IP.

C. No BACnet, modBus, LON, or any other device-to-device wired communication protocol shall be used in the communication network.
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2.03 OPERATOR INTERFACE
A. The BAS shall be controlled, managed, and configured using a Web-App on any personal computer, smartphone, and/or tablet that runs a browser with HTML5 or newer.

B. The Web-App platform shall run on cloud servers which allow for virtual access. Platform shall not run on a local on-site server.

C. The Web-App shall support at a minimum, the following functions:

1. Personal user log-on identifications (email addresses) and unique passwords shall be required.

2. Custom HTML programming shall not be required to display any graphics, data, or build the Web-App. There shall be no development cost, commissioning costs, or software upgrade cost required to obtain and use the Web-App.

3. Storage of historical data shall reside on the cloud server and shall not sit within the clientís computer, internal network, or other devices. A BAS, which requires on-site data storage, is not acceptable.

4. System shall allow for administrator and user defined access privileges.

5. A Push/Pull OpenAPI interface with XML data output shall be available.

6. Servers shall not run a Windows operating system.

D. Control and Override

1. The BAS shall provide view, override, and edit of the status of any object and property in the system. The status of the device shall be defined graphically and shall not require any custom programs or programming.

2. Temporary Overrides. The BAS shall be able to provide temporary override (wherever an override is allowed) and automatically remove the override after a specified period of time.

3. Any override and edit of a object virtually or at the device, if allowable, shall be historically tracked.

E. Scheduling

1. The BAS shall provide users with scheduling of application devices through a graphical interface. Scheduling shall include, but is not limited to:
a. Occupied/Unoccupied Schedules. Shall allow 12 scheduled set-time changes in a single day, be configurable for Daily, Weekly, and Weekday/Weekend layouts, and shall be able to be unique to individual devices or easily shared between multiple devices, where applicable.
b. Event Schedules. Shall allow for advanced one-time or repeating event type schedules. Event schedules shall override Occupied/Unoccupied Schedules.

After the Event schedule ends, the device shall revert back to the Occupied/Unoccupied Schedule automatically.
c. Vacation Schedules. A 360-day Calendar shall provide override of schedules during vacation days. Thermostats shall be able to automatically or be manually switched to follow Vacation Schedules instead of Occupied/Unoccupied Schedules.

F. Alarm Notification

1. Alarm Notification(s) shall be generated if there are failures detected by devices part of the BAS. These failures shall be, but are not limited to: temperature deviations, temperatures missing targets, temperatures too high or too low, failures of equipment, etc. Alarm Notification(s) shall be posted on the BAS and shall be able to be sent either via email or text message to an unlimited number of users.

G. Reports and Logs

1. Data shall be logged and stored on cloud servers for all devices part of BAS in real-time.

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least one week, with the option of up to two (2) years. a. Each space temperature
b. Each temperature set point(s)
c. Each current call: heat, cool, number of stages, fan, economizer, etc. d. Each damper position
e. Each valve position
f. Each CO² change
g. Each CO² setting
h. Each current call for ventilation due to high CO²
i. Each Humidity change
j. Each Humidity set point
k. Each current call for dehumidification or humidification. l. Each Fan speed adjustment
m. Supply duct static pressure
n. Supply, Return, Outside air temperatures

2. Data shall be represented on historical graphs that allow for easy viewing of device state change at different times.

3. Excel outputs shall not be required to view data. Historical data shall be viewable through BAS.

2.04 APPLICATION-SPECIFIC CONTROLLERS
A. Application Specific Controllers shall not require custom programming and shall control specific equipment through simple configuration settings done through the cloud-based BAS. All configuration changes shall automatically upload into the device once set on the BAS and shall be stored by the deviceís internal memory.

B. Gateways are devices which connected to an Ethernet port and act as a bridge between the BAS cloud servers and the wireless mesh network.

1. Shall be capable of providing Internet connection to up to 2,000 devices.

2. Shall be capable of automatically addressing routing tables to all devices part of wireless mesh network and shall not require manual programming or addressing.

3. Shall communicate to cloud servers over a TCP/IP outbound-only connection.

4. Shall not require a Public IP address, custom VPNs, or any on-site servers.

5. Shall communicate to other BAS devices over the dedicated and isolated

6. 802.15.4 IEEE technical standard.

7. Shall be secured using AES (Advanced Encryption Standards).

C. Internet-Enabled Thermostats are controllers which detect a space/zone temperature and operate equipment or dampers which supply heating, cooling, ventilation, or a combination of the three mechanical states, to their space/zone. Examples are thermostats for VAV, VVT, FanPowered Boxes, Fan Coil, Blower Coils, Unit Ventilators, Heat Pumps, Water Source Heat Pumps, and Conventional DX and/or Gas heat equipment.

1. Shall be capable of providing 24VAC outputs which can be configured to provide control of the following: two stages of fan, three stages of cooling, two stages of heating, one stage of auxiliary heat (heat pumps), floating point zone dampers, two position zone dampers, floating point zone reheat valves, and two position zone reheat valves.

2. Shall include a removable wiring terminal module that allows for thermostat installation even in situations where there are only three wires between equipment and where the thermostat is to be installed.

3. Shall be available with the following internal sensors: temperature only, temperature and humidity, temperature, humidity, and CO², and temperature and CO². All sensors required by the specifications are to be internal to the thermostat and not require two devices on the wall.
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4. Shall be able to accept expansion accessories that allow for more advanced control sequences, and additional temperature detection. Examples are economizer controllers, outside air ventilation control, supply air temperature detection, unit ventilator face/bypass control, and modulating control. All expansion accessories shall be Internet enabled and accessible through EMS.

5. Shall communicate with the wireless mesh network through an internal wireless antenna that runs on the 802.15.4 technical standards.

6. Shall be able to automatically repeat the wireless mesh network to additional devices part of the BAS.

7. Shall automatically push, in real-time, to the BAS all ìstate changesî so as to be viewable historically and in real-time from BAS. Examples are changes in equipment operation (heat, cool, fan), number of stages active, the temperatures in the space, damper position, valve position, temperature set-points, etc.

8. Shall be able to lock-out heat pump compressor(s) based on outside air temperature.

9. Shall provide set-point (heat & cool) temperature limitations through BAS.

10. Shall provide full local keypad lock-out from BAS.

11. Shall meet California 2016 Title 24 code standards.

12. Shall have a programmable three (3°F) degree heat/cool temperature range which autoadjusts to a five (5°F) degree dead band.

13. Shall have both a heat setpoint, cool setpoint, and auto-changeover.

14. Shall have Optimum Start algorithms that will calculate start times based on at least seven (7) days of previous run-time temperature and rate-of-change historical data for its space.

Optimum Start algorithm shall recalculate each optimized schedule time before each optimized schedule.

15. Shall be able to be manually overridden through BAS.

16. Shall be configured through BAS.

D. Wired Temperature Inputs are to be available to provide external temperature detection for specific BAS devices. Examples are to provide supply air temperature, water temperature, refrigeration temperature, outside air temperature, etc. to a thermostat or other device.

1. Shall accept 10K type II thermistors.

2. Shall push to the BAS real-time temperature changes so as to be viewable historically and in real-time from the BAS.

3. Shall accept a thermistor at a maximum of up to 100 feet from input terminal.

4. Shall be configured through the BAS.

E. Internet-Enabled Economizer Controller are controllers that modulate an outside air damper to provide ventilation and economization to a single zone.

1. Shall only require a dry-bulb outside air temperature sensor and dry-bulb supply air temperature sensor. No dry-bulb return air temperature sensor or dry-bulb mixing box temperature sensor shall be required to meet full economizer functionality to at a minimum California 2016 Title 24 standards.

2. Shall communicate with thermostat to determine space temperature and space temperature setpoint in order to decide when economization can be used.

3. Shall continue to economize as its only source of cooling as long as the outside air temperature is able to keep the space temperature within 1°F of the cool temperature setpoint.

4. Shall be able to enable mechanical cooling at the same time as economization.

5. Shall be able to prevent the supply air temperature from dropping below a minimum temperature.

6. Shall provide enthalpy by use of pulling humidity and barometric pressure information from the Internet based on the zip code of installation location. Enthalpy shall not require any additional probes other than the dry-bulb probe and shall be free to enable.

7. If connected to a CO² thermostat, shall be able to provide demand ventilation control of outside air damper.
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8. Shall have a minimum ventilation damper position and a maximum ventilation damper position.

9. Shall be able to be scheduled to not open the outside air damper for ventilation during unoccupied hours.

10. Shall be able to control a Variable Frequency Drive (VFD) with up to five (5) fan

11. speed inputs. Example of fan speed changes are during ventilation, stage one cooling, stage two cooling, stage one heating, stage two heating.

12. Shall modulate an outside air damper by use of a 0-10VDC signal.

13. Shall accept a 0-10VDC signal feedback input from the outside air damper actuator to confirm outside air damper is working correctly.

14. Shall meet all California 2016 Title 24 codes, including Fault Detection and Diagnostic requirements.

15. Shall send Fault Detection and Diagnostic information to the BAS.

16. Shall accept a minimum of three (3) 10K type II thermistors.

17. Shall be able to modulate a 0-10VDC hot water, steam, or electric SCR for heating and outside air tempering.

18. Shall be able to modulate a 0-10VDC chilled water or modulating DX for cooling and outside air tempering.

19. Shall be able to control a face/bypass damper.

20. Shall push all ìstate changesî to the BAS as to be viewable historically and in real-time from BAS. Examples are changes in equipment operation (heat, cool, fan, economization, ventilation), number of stages active, the supply air temperature, the return air temperature, hot water valve position, face/bypass damper position, variable speed fan setting, etc.

21. Shall be able to be manually overridden through the BAS.

22. Shall be configured through the BAS.

F. Internet-Enabled Power Relay Module are controllers which have dry-contact relays able to start/stop different electrical equipment. Examples are exhaust fans, lights, pumps, valves, boilers, chillers, etc.

1. Shall have relays with a max rating of 120 VAC @ 15 AMPs or 240/277 VAC @ 10 AMPs.

2. Shall have a low-voltage terminal for momentary contact override inputs. Override time shall be configurable for a specific amount of minutes through a configuration from the BAS.

3. Shall be able to provide Lead/Lag sequencing between relays.

4. Shall be able to accept an external dry-contact input used to verify flow if being used as a pump controller. If being used as a lead/lag pump controller, shall be able to alarm the BAS if flow is not detected when Pump A is enabled and start Pump B as a stand-by pump.

5. Shall communicate with the wireless mesh network through an external wireless antenna that runs on the 802.15.4 technical standards. Antenna shall be able to communicate with Power Relay Module over three (3) 18-gauge wires up to 500 feet between device terminal inputs.

6. Shall be able to automatically repeat the wireless mesh network to additional devices part of the BAS.

7. Shall push all ìstate changesî to the BAS as to be viewable historically and in

8. real-time from the BAS. Examples are changes in relay positions On or Off. Shall be able to be manually overridden through the BAS.

9. Shall be configured through the BAS.

G. Zone Controllers are controllers which operate equipment which supply heating, cooling and ventilation, or a combination of these mechanical states to multiple zones.

1. Shall communicate with the wireless mesh network through a removable wireless antenna that runs on the 802.15.4 technical standards.
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2. Remote mountable antenna shall be able to communicate to Zone Controller over three (3) 18-gauge wires up to 500 feet between devices terminal inputs.

3. Communication from the Zone Controller to all zone/space Thermostats shall be over the wireless mesh network.

4. Shall be capable of providing 24VAC outputs which can be configured to provide control of the following: multiple stages of fan, multiple stages of cooling, and multiple stages of heating.

5. Shall be capable of providing 0-10VDC outputs which can be configured to provide control of the following: variable speed fan (VFD), modulating outside air damper, modulating heating valve.

6. Shall have integrated outside air damper control logic and not require a third- party or additional controllers to provide economization and ventilation control.

7. Shall directly accept a supply duct static pressure probe. Shall have an integrated shortterm and long-term learning PID loop algorithm for maintaining target supply static configurations. PID loop shall not require any type of cost for programming and is to be factory loaded into controller.

8. Shall only require dry-bulb outside, return, and supply air temperature sensors.

9. If communicating to CO² thermostat(s), shall be able to provide demand ventilation control of outside air damper.

10. Shall push all ìstate changesî to the BAS as to be viewable historically and in real-time from the BAS. Examples are changes in equipment operation (heat, cool, fan, economization, ventilation), number of stages active, the supply air temperature, the return air temperature, the outside air temperature, hot water valve position, supply duct static reading, variable speed fan setting, etc.

11. Shall be able to be manually overridden through the BAS.

12. Shall be configured through the BAS.

13. Make-up Air Controllers which operate equipment supplying ventilation to the building shall communicate with the wireless mesh network through a removable wireless antenna that runs on the 802.15.4 technical standards.

14. Remote mountable antenna shall be able to communicate to Controller over three (3) 18- gauge wires up to 500 feet between devices terminal inputs.

15. Communication from the Controller to zone/space Thermostat(s) shall be over the wireless mesh network.

16. Shall be capable of providing 24VAC outputs which can be configured to provide control of the following: multiple stages of fan, multiple stages of cooling, and multiple stages of heating.

17. Shall be capable of providing 0-10VDC outputs which can be configured to provide control of the following: modulating variable speed fan (VFD), modulating outside air damper, modulating heating, modulating cooling.

18. Shall be able to modulate a VFD to maintain a targeted building static pressure.

19. Shall be able to modulate a 0-10VDC hot water, steam, or electric SCR for heating and outside air tempering.

20. Shall be able to modulate a 0-10VDC chilled water or modulating DX for cooling and outside air tempering.

21. Shall have integrated outside air damper control logic.

22. Shall directly accept a building pressure probe. Shall have an integrated short- term and long-term learning PID loop algorithm for maintaining target building pressure. PID loop shall not require any type of cost for programming, is to be factory loaded into controller, and updatable virtually through EMS.

23. Shall only require dry-bulb outside and supply air temperature sensors.

24. If communicating to CO² thermostat(s), shall be able to provide demand ventilation control of outside air damper.
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25. Shall push all ìstate changesî to the BAS as to be viewable historically and in real-time from the BAS. Examples are changes in equipment operation (heat, cool, fan, economization, ventilation), number of stages active, the supply air temperature, the return air temperature, the outside air temperature, hot water valve position, supply duct static reading, variable speed fan setting, etc.

26. Shall be scheduled On or Off through the BAS.

27. Shall be able to be manually overridden through the BAS.

28. Shall be configured through the BAS.

H. Wireless Proximity Sensors are thermostat accessories which are able to detect when a door or window is opened or closed, or be able to accept a dry-contact input from an occupancy sensor.

1. Shall be able to communicate to a single Internet-Programmable Thermostat over wireless mesh network.

2. Shall communicate with the wireless mesh network through an internal wireless antenna that runs on the 802.15.4 technical standards.

3. Shall run on two AA batteries and not require any unique type of battery to operate.

4. Shall push all ìstate changesî to the BAS as to be viewable historically and in realtime from the BAS. Examples are if the door is open, if the space is unoccupied, if a window is open.

5. Shall be configured through the BAS.

I. Remote Wireless Sensors are thermostat accessories which are used to either average temperatures between the sensors location and a master thermostat or to relocate the sensing location of the master thermostat without having to run new wire.

1. Shall be able to communicate to a single Internet-Programmable Thermostat over wireless mesh network.

2. Shall communicate with the wireless mesh network through an internal wireless antenna that runs on the 802.15.4 technical standards.

3. Shall run on two AA batteries and not require any unique type of battery to operate.

4. Shall push all ìstate changesî to the BAS as to be viewable historically and in realtime from the BAS. Examples are changes in equipment operation (heat, cool, fan), number of stages active, the temperatures in the space, temperature set-points, etc.

5. Shall be configured through the BAS.

J. Wireless Repeaters are devices which extend the 802.15.4 wireless mesh network across large expanses or where BAS devices are unable to repeat the wireless mesh network on their own.

Examples are when bridging the wireless mesh network from one building to another.

1. Shall communicate with the wireless mesh network through an internal wireless antenna that runs on the 802.15.4 technical standards.

2. Shall be able to automatically repeat the wireless mesh network to additional devices part of the BAS.

3. Shall not require an Ethernet connection or any TCP/IP connection.

4. Shall only require a single 120V outlet for power.

K. Configuration of Devices and System

1. To meet the sequence of operation for each controller, the controller shall be configured through the BAS by the installing contractor. No custom programming or downloading by use of a service tool shall be required.

2. Stand-Alone Operation: Each piece of equipment specified shall provide stand- alone operation. BAS devices shall not require web connection or communication to the BAS to run under normal operations.
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ENERGY MANAGEMENT CONTROLS FOR HVAC
Dry Creek WWTP Operations and Lab Building
210015.01

PART 3 - EXECUTION

3.01 EXAMINATION
A. The Contract Documents shall be thoroughly examined for coordination of control devices, their installation, wiring, and commissioning. Coordinate and review mechanical equipment specifications, locations, and identify any discrepancies, conflicts, or omissions that shall be reported to the Architect/Engineer for resolution before rough-in work is started.

B. The BAS manufacturer shall be available to provide assistance to BAS Contractor in order to verify that control equipment can be installed as required, and any discrepancies, conflicts, or omissions shall be reported to the Architect/Engineer for resolution before rough-in work is started.

3.02 PROTECTION
A. The BAS installing contractor shall protect all work and material from damage by their work or personnel, and shall be liable for all damage thus caused.

B. The BAS installing contractor shall be responsible for their work and equipment until final inspection, testing, and acceptance. The BAS installing contractor shall protect their work against theft or damage, and shall carefully store material and equipment received on site that is not immediately installed. The Contractor shall close all open ends of work with temporary covers or plugs during storage and construction to prevent entry of foreign objects.

C. Installation of BAS shall be performed by an approved Contractor. Approved contractor is one whom either has installed the BAS before or has been approved by the BAS manufacturer. The Contractor shall certify all work as proper and complete. Under no circumstance shall the design, scheduling, coordination, programming, training, and warranty requirements for the project be delegated to a subcontractor unless that subcontractor meets the BAS approved Contractor requirements as stated above.

D. Demolition. Remove controls which do not remain as part of the BAS. The owner will inform the Contractor of any equipment which is to be removed that will remain the property of the owner.

All other equipment which is remove will be disposed of by the Contractor.

E. Access to Site. Unless notified otherwise, entrance to building is restricted. No one will be permitted to enter the building unless their names have been cleared with the owner or an owner-approved representative.

F. Code Compliance. All wiring shall be installed in accordance with all applicable electrical codes and will comply with equipment manufacturerís recommendations.

G. Clean Up. During installation, contractor shall maintain a clean environment. At the completion of the work, all equipment pertinent to this contract shall be checked and thoroughly cleaned, and all other areas shall be cleaned around equipment provided under this contract.

3.03 TEST AND BALANCE
A. Testing of controls shall be performed by installing contractor. All equipment and their components being controlled shall be tested, including, but not limited too: heating enables and a proper supply air temperature from the AHU, RTU, and into the zone (if there is a zone box) is recorded, cooling enables and a proper supply air temperature from the AHU, RTU, and into the zone (if there is a zone box) is recorded, fan enables and the proper fan speed is set when specified (when using a multiple speed fan, VFD, or ECM motor), and that the outside air damper fully opens and closes when commanded. Any devices that are enabled and disabled shall properly respond to the BAS control signals.
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ENERGY MANAGEMENT CONTROLS FOR HVAC
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B. All control configurations shall be set to meet specifications. All temperatures and other sensors shall be determined accurate and configured for the type of temperature being detected.

C. All mechanical systems controlled by BAS shall be properly balanced to the right CFMs to meet required codes and specifications.

3.04 WIRING, CONDUIT, AND CABLE
A. All control wires between mechanical equipment and BAS devices are to be furnished and installed by others, unless BAS contractor is responsible for this part of the installation. The BAS contractor shall not begin work on this contract until all wiring is installed to the satisfaction of the BAS contractor.

B. It is not an excuse to have not referenced the manufacturerís installation documentation or to have contacted the BAS manufacturer if wire installation is not understood and done incorrectly by the installing Contractor.

3.05 HARDWARE INSTALLATION
A. Installation Practices for Devices. All devices are to be mounted level/plumb and per the manufacturerís installation documentation.

B. It is not an excuse to have not referenced the manufacturerís installation documentation or to have contacted the BAS manufacturer if hardware installation not understood and done incorrectly by the installing Contractor.

C. Identification.

1. Identify all control wires with labeling tape or sleeves using either words, letters, or numbers that can be exactly cross-referenced with as-built drawings.

2. All field enclosures, other than controllers, shall be identified with a nameplate. The lettering shall be in white against a black or blue background.

3. Junction box covers will be marked to indicate that they are a part of the BAS.

4. All field devices (except space sensors) that are not mounted within FIP's shall be identified with name plates.

5. All field devices inside FIP's shall be labeled.

D. Control System Switch-Over. The installing contractor shall minimize control system downtime during switch-over. Sufficient installation mechanics will be on-site so that the entire switch-over can be accomplished in a reasonable time frame.

E. Location.

1. The location of sensors is as indicated in the mechanical and architectural drawings.

2. Space temperature, humidity, and CO² sensors will be mounted away from machinery generating heat, direct light, and/or diffuser air streams.

3. If external temperature sensors are installed, sensors will be mounted away from machinery generating heat, direct light, and/or diffuser air streams.

4. If outdoor air temperature sensors are installed, sensors are to be installed such that the effects of heat radiated from the building or sunlight is minimized.

3.06 SYSTEM CONFIGURATION
A. General. The installing contractor shall provide all labor necessary to install, initialize, start-up and troubleshoot all system hardware and configurations described in this section. This includes any requirements necessary to access the web application on third-party devices.

B. Installing contractor shall work with ownerís representative to determine configuration parameters including but not limited to hours of operation, set points, system variables, naming of devices, and site naming. Naming of devices and the site shall be performed by the installing contractor. Naming convention of space thermostats shall be space served. Naming convention 23 09 23

ENERGY MANAGEMENT CONTROLS FOR HVAC
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of zone controllers shall be the equipment serial number. All naming shall be provided by or agreed upon with the owner.

3.07 SYSTEM COMMISSIONING AND SYSTEM STARTUP
A. Each BAS component in the system shall be tested for both hardware and software functionality. In addition, each mechanical and electrical system under control of the BAS will be tested against the appropriate sequence of operation specified herein. Documentation shall be provided to the owner that proves installation and testing has been completed and points out any mechanical issues found that are not related to the installation of the BAS. Successful completion of the system tests shall constitute the beginning of the warranty period.

B. The BAS Contractor shall provide all manpower and engineering services required to assist the HVAC Contractor and Balancing Contractor in testing, adjusting, and balancing all systems in the building. The BAS Contractor shall have a trained technician available on request during the balancing of the systems. The BAS Contractor shall coordinate all requirements to provide a complete air balance with the Balancing Contractor and shall include all labor and materials in his contract to assist with functional testing of system as it relates to BAS.

C. Upon completion of installation, submit three (3) copies of record documents. The documents shall be submitted for approval prior to final completion and include:

1. Testing and Commissioning Reports and Checklists signed off by trained field commissioning personnel.

2. Name, address and telephone number of Contractor personnel managing and installing equipment, along with service personnel responsible for supporting the ongoing warranty and services of the control system.

3. Procedures for operating the BAS including logging on/off, alarm management, reading reports, trends, modification of setpoints, scheduling, and other interactive system requirements.

4. Provide information on how to receive support from Pelican Wireless Systems and demonstrate that they are a direct supporting resource. Contact information for Technical Support from Pelican Wireless Systems is to be provided.

END OF SECTION
23 11 23

FACILITY NATURAL GAS PIPING
Dry Creek WWTP Operations and Lab Building
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, SPECIAL CONDITIONS and DIVISION 1 GENERAL REQUIREMENTS, apply to the work of this section.

1.02 SUMMARY
A. This section includes all plumbing (equipment, fixtures, pipe and fittings, specialties) inside the building(s) and outside the building(s) to the point of connection to site plumbing systems.

B. Provide complete plumbing systems including:

1. All piping systems for conduction of natural gas as shown or specified for plumbing work.

2. All valves, piping supports, piping penetration auxiliaries, piping protective coverings, piping, and other piping accessories as shown or specified for plumbing work.

3. All plumbing equipment and auxiliary items as specified herein or shown on the drawings.

1.03 QUALITY ASSURANCE
A. All plumbing fixtures and equipment shall comply with California Code of Regulations, Title 24, Part 6, latest edition.

1.04 REFERENCES
A. Pipes and Tubes

1. Steel Pipe: ASTM A53, Type S, Grade A, Schedule 40, seamless, black or galvanized, plain ends.

2. Polyethylene Pipe: ASTM D2513 produced to APWA/ULCC standards for color coding of gas distribution systems.

B. Fittings

1. Steel Pipe Nipples: ASTM A733, made of ASTM A53 or ASTM A106, Schedule 40, seamless, galvanized, carbon-steel pipe.

2. Malleable-Iron Unions: ASME B16.39, Classes 150 and 300; hexagonal stock; with balland-socket joint; metal-to-metal bronze seating surfaces; and female threaded ends with threads complying with ASME B1.20.1.

3. Polyethylene Plastic: ASTM D2683 and D3261, socket or butt fusion fittings.

1.05 JOINING MATERIALS
A. Welding Filler Metals: Comply with AWS D10.12 for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

B. Heat Fusion

1.06 STRUCTURAL REQUIREMENTS
A. Structural members shall not be cut or modified in any manner without specific instructions from the structural engineer. Where possible, offset vents and pipes rising in walls, concealed above ceilings, below plates and rise through roof. Where this is not possible, install vents and pipes through plates as detailed on structural drawings.
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1.07 SUBMITTALS
A. Submit a general statement of materials and methods along with manufacturerís technical data and installation instructions for all equipment, fixtures, pipe and fittings, and plumbing specialties to be installed.

B. Record Drawings: Per specification section 23 05 00 requirements.

C. Operation and Maintenance Manuals: Per specification section 23 05 00 requirements.

PART 2 - PRODUCTS

2.01 GENERAL
A. Adapters: Wrought copper male adapters shall be used wherever it is necessary to connect copper tubing to a valve or "tee" having threaded connections.

2.02 PIPE, FITTING, AND JOINING MATERIALS
A. Steel/Threaded Fittings

1. Pipe: Black or galvanized steel per ASTM A-53 seamless, threaded ends, standard weight Schedule 40 for sizes 2î and smaller.

2. Fittings:
a. Black or galvanized (to match pipe) banded malleable iron, threaded, ASTM A-197, 150 lb. standard or 300 lb. extra heavy per ANSI Standard B16.3 (to match pipe schedule).
b. Unions: AAR 300 lb. malleable iron, black or galvanized (to match pipe). c. Joining Materials/Methods
1) Rectorseal or pure lead and graphite thread lubricant. 2) Permacel, P-412, ½î wide teflon pipe joint sealant.

B. Steel/Welding Fittings

1. Pipe: Black or galvanized steel per ASTM A-53 seamless, threaded ends, standard weight Schedule 40 for sizes 2î and smaller.

2. Fittings: Black steel, permanently marked, seamless butt welding type, standard weight or extra strong (to match pipe schedule). Optional in lieu of tees where main is at least two pipe sizes larger than branch Bonney Forge, Threadolets for ½î to 2î, weldolets for branch lines 2 ½î to 4î; fitting shall suit main size.

3. Unions: AAR 300 lb. malleable iron, black or galvanized (to match pipe).

4. Joining Materials/Methods
a. Gas or electric arc welding per ASME Code for pressure piping.

C. Polyethylene plastic butt fusion welded joints

1. Pipe: Schedule 40, plain ends.

2. Fittings: Polyethylene fusion welded type.

3. Joining Materials/Methods: Fusion welded, using fusion welding fittings, and the manufacturers supplied control unit.

4. Connections: Utilize only adapters supplied by the same manufacturer of the pipe.

2.03 PIPE AND FITTING APPLICATIONS
A. Inside Building (to 5'-0" outside building line).

1. Gas Piping: Schedule 40, black steel pipe; malleable iron screwed fittings for sizes 2î and smaller. Weld sizes 2 ½î and larger. Weld all below grade piping and protect as specified herein.

2. Plastic pipe and fittings shall not be used inside of buildings. 23 11 23

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B. Outside Building (from 5'-0" outside building line)

1. Gas piping
a. Above grade and to 30" below grade, shall be Schedule 40, black steel pipe with 150 lb. malleable iron, welded joints.
b. Below grade pipe shall be protected with X-Tru-Coat and fittings covered with X-TruCoat, heat shrink, sleeves to 6î above grade. Above grade sizes 2" and smaller may be screwed joints.
c. Underground gas piping below 30" depth and 30î after the first change in direction, shall be polyethelyene pipe with fusion welded joints.

C. Appliance Flexible Connectors for Indoor Equipment Without External Spring Isolation:

1. Contractor may choose one of the following:
a. Direct gas pipe connection.
b. Appliance flexible connector:
1) Comply with ANSI Z21.24.
2) Polymer or hot-dipped PVC coated corrugated 304 stainless steel. 3) Operating-Pressure Rating: 0.5 psig.
4) End Fittings: Zinc-coated steel.
5) Maximum Length: 30 inches.
6) Manufacturers: Dormont, Series 30C, 31, 40C, 41, and 51, Brasscraft model ProCoat, or equal.
c. Provide with end connections compatible with equipment and piping system. d. Equipment located in spaces normally accessible to building occupants, other than maintenance personnel, shall utilize direct gas pipe connection. e. Provide anti-microbial PVC coating for use with appliances located in kitchen areas.

2. Flexible Gas Connector for Outdoor Equipment Without External Spring Isolation:
a. Contractor may choose one of the following:
1) Direct gas pipe connection.
2) Corrugated stainless steel hose with 304 stainless steel braid covering, CSA certified. Metraflex model GASCT, Unisource Manufacturing series 400, or equal.

Provide with end connections compatible with equipment and piping system.

3. Flexible Gas Connector for Equipment with External Spring Isolation, Indoors and Outdoors:
a. Where Drawings indicate installation of mechanical equipment on spring isolation rails spring mounted curbs, or spring hangers, provide metal flexible connectors, Metraflex Metraloop, or equal by Unisource Mfg. Co., or Flexicraft Industries, CSA certified for 4 inches of movement in all directions.

4. Flexible Gas Connection System for Movable Gas-Fired Cooking Equipment:
a. System shall include flexible PVC coated braided stainless steel hose, quick disconnect fitting, full port CSA certified ball valve, 2 swivel elbows, coiled steel restraining cable and mounting hardware. Assembly shall be certified per ANSI Z21.69/CSA 6.16, ìConnectors for Movable Gas Appliances.î Size as required for appliance connection, 48î minimum hose length. Install per manufacturerís instructions. Connectors shall be Dormont Safety System, T&S Safe-T-Link, or equal.

5. Gas Piping Underground: Performance Pipe, ìDriscoPlexî 6500 PE 2708 (yellow), Polypipe, Inc., ìPolypipeî, or equal, polyethylene gas distribution pipe, ASTM D2513, ASTM D3261, and ASTM D2683 fittings with fusion welded joints. Provide piping labeled for natural gas in accordance with CPC.
a. Electrically isolate underground ferrous gas piping from the rest of the gas system with listed or approved isolation fittings installed a minimum of six inches above grade. b. Provide Central Plastics Corp., Perfection, or equal, anodeless, single seal riser for transition from below grade polyethylene to schedule 40 steel piping above grade.

Minimum horizontal length shall be 30 inches. Minimum vertical length shall be 30 23 11 23

FACILITY NATURAL GAS PIPING
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inches, or greater as required. Provide fusion connection to polyethylene pipe below grade, and screwed connection to steel pipe above grade.

2.04 PIPE PROTECTION
A. Bare galvanized or black steel pipe buried in the ground shall have a corrosion protective wrap of one of the following:

1. Polyvinyl Chloride Tape: The tape shall be of a minimum thickness of 10 mils and shall be laminated with a suitable adhesive, or shall be applied with a suitable primer adhesive.

Width as recommended by the manufacturer for the pipe sizes being wrapped (4" minimum). Tape shall have continuous identification

2. 3M X-Tru-Coat, factory-applied plastic coating with additional field-applied double-layer wrapping of Scotchrap #51, 20-mil plastic tape, Trentex No. V-10, B-20, Scotchwrap No. 50 Polyvinyl chloride tape wrap, or thermofit sleeves.

3. Field Joint Cover: Tape coat, prime coat and one layer of Tape coat #20 heat-applied 62- mil tape.

B. Provide a sacrificial anode for the underground portion of all steel piping when required by the local authority.

2.05 VALVES
A. General

1. Furnish two tee handle operators for each size to suit all valves which are installed below grade in access boxes and which are not fitted with integral handles; hub end valves shall be used where required.

2. Valves on systems operating over 100 psi shall be rated for 150 lb. or higher as required.

B. Shut-off service, natural gas

1. Sizes 2" and smaller: NibcoT-585-70-UL, full port ball valve; 400 psi gas service rating; bronze body and ball, teflon seat, quarter turn handle with stops, swing-out accessibility/removal.

2. Sizes 2 ½î to 4": Homestead, Standard Opening, 200 psi shut-off pressure differential; semi-steel body, flanged ends, plug with lever handle.

2.06 PIPING ACCESSORIES
A. Unions shall have the same pressure rating as pipe fittings.

2.07 PIPING PENETRATION AUXILIARIES
A. Sleeves Below Slab or Grade: Metraseal model MS or equal with schedule 80 PVC sleeve. The seal shall be capable of withstanding a hydrostatic pressure of 20 psig. The seal shall be constructed of synthetic rubber with heavy-duty plastic pressure plates. All bolts and nuts shall be constructed of stainless steel.

B. Escutcheons: Polished chrome plated brass or painted metal.

PART 3 - EXECUTION

3.01 GAS PIPING
A. Gas Piping: Install generally level with as few bends as possible. Install dirt legs and shut-off valves at each piece of equipment. Support as specified and in accordance with the C.P.C.

B. Polyethylene Gas Piping: Shall be heat fusion welded in strict accordance with manufacturer's installation instruction. Bury high pressure mains (over 7" W.C.) 36" minimum and low pressure 23 11 23

FACILITY NATURAL GAS PIPING
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210015.01

(7" W.C. or less) 30". Place pipe on 6" sand bed on trench bottom and cover pipe with 12" sand after placement. Remaining backfill may be native soil.

C. Bury a No. 18 AWG insulated copper locating wire with all non-metallic pipe. Copper wire shall have at least 12î above grade at each end.

3.02 VALVES
A. Valves shall be full size of line in which installed. Furnish discs suitable for service intended. All valves shall be properly packed and lubricated. Unions shall be placed adjacent to each threaded or soldered valve or equipment connection 2" and smaller. Install flanges at all valves with stems vertical wherever possible. Stems shall not be placed below horizontal.

B. Install unions adjacent to each valve and at final connection to each piece of equipment.

C. All shutoff valves in gas lines shall be or ball valves, unless otherwise shown.

D. Valves shall be provided with brass identification tags indicating service controlled. Tags may be omitted on lines exposed in equipment rooms where service is obvious.

3.03 PIPING TESTING: TESTING CRITERIA
System Medium Pressure Duration
Natural Gas Air 150 psig above grade 4 hours
65 psig below grade 4 hours

END OF SECTION
23 23 00

REFRIGERANT PIPING
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, SPECIAL CONDITIONS and DIVISION 1 GENERAL REQUIREMENTS, apply to the work of this section.

B. Section 23 05 00, General Mechanical Requirements applies to this section.

C. Sections 23 05 29, 23 05 48, 23 05 53 and 23 07 19.

1.02 SUMMARY
A. Work Included

1. Provide complete piping systems for conduction of heating hot water supply and return, chilled water supply and return , and other fluids for HVAC work including all other chemicals required for pipe flushing, cleaning, testing, etc., all as specified or shown on the drawings.

B. Provide all valves, strainers, piping supports, seismic braces, piping penetration auxiliaries, protective coverings, piping insulation, and other piping appurtenances as shown or specified for HVAC work.

C. Installation of sensing and control devices that mount on or insert into piping.

1.03 QUALITY ASSURANCE
A. All HVAC equipment shall comply with California Code of Regulations, Title 24, Part 6, latest edition.

B. Standards: Comply with all applicable codes or standards governing process piping, system materials, application, and installation.

C. Welding Qualifications: Welders shall be certified in accordance with American Welding Society "Standard Qualification Procedure".

1.04 REFERENCES
A. Pipes And Tubes

1. Hard Copper Tube: ASTM B 88, Types L and M, water tube, drawn temper.

2. Soft Copper Tube:ASTM B 88, Types K and L, water tube, annealed temper.

B. Fittings

1. Wrought-Copper, Solder-Joint Pressure Fittings: ASME B16.22.

2. Cast-Copper-Alloy, Solder-Joint Pressure Fittings: ASME B16.18.

3. Bronze Flanges: ASME B16.24, Classes 150 and 300.

4. Copper Unions: ASME B16.18, cast-copper-alloy body, hexagonal stock, with ball-andsocket joint, metal-to-metal seating surfaces, and solder-joint, threaded, or solder-joint and threaded ends. Threads complying with ASME B1.20.1.

C. Joining Materials

1. Solder Filler Metal: ASTM B 32, alloys to suit system requirements.

2. Brazing Filler Metals: AWS A5.8, alloys to suit system requirements.

1.05 STRUCTURAL REQUIREMENTS
A. Structural members shall not be cut or modified in any manner without specific instructions from the structural engineer.
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PART 2 - PRODUCTS

2.01 PIPE MATERIALS
A. Copper/Soldered Joints

1. Pipe: Type L, Type K or Type M hard drawn copper tubing per ASTM B-88, plain ends.

2. Fittings: Solder type, wrought copper per ANSI Standard B16.22 or cast red bronze per ANSI Standard B16.18. Do not use T-drill.

3. Unions: Solder type, cast red bronze.

4. Joining Materials/Methods
a. Canfield, Silvabrite or equal lead free solder with a non-corrosive water based flux.

2.02 REFRIGERANT SYSTEM COMPONENTS
A. Refrigerant Piping (R, RL, RS): Type L, hard copper ACR tubing with silver soldered joints and wrought copper fittings. Do not reduce sizes due to long runs.

1. Contractor shall have the option to use manufacturerís ìLine Setsî for total lengths of lines of 50í-0î from ACCU to coil. Suction lines shall be insulated as hereinbefore specified.

2. An inverted vapor line trap shall be installed in all systems when the condensing unit is below the furnace or fan coil. The top peak of the trap must be at least one inch higher then the top of the indoor coil.

3. Install a liquid line solenoid on all systems when the refrigerant lines are installed underground, including all refrigerant lines installed in buried pipes and when the total equivalent line length exceeds 50 feet.

4. Install a hard start capacitor and relay on all systems, except three-phase systems, when the refrigerant lines are installed underground, including all refrigerant lines installed in buried pipes and when the total equivalent line length exceeds 50 feet. If a factory installed soft start is included with the unit, this must removed prior to installation of the hard start kit.

5. A suction accumulator must be installed on all systems when the refrigerant lines are installed underground and when the total equivalent line length exceeds 50 feet, including all refrigerant lines installed in buried pipes. The accumulator shall be sized to receive a minimum of 70% of the total system refrigerant charge. The additional refrigerant charge beyond the 15 feet of line included in the unit charge as noted in the nameplate data. Include the additional refrigerant charge due to the larger diameter liquid line.

6. Install a crankcase heater on all systems when the refrigerant lines are installed underground, including all refrigerant lines installed in buried pipes and when the total equivalent line length exceeds 50 feet.

7. Install a liquid-line filter drier on all systems when the refrigerant lines are installed underground, including all refrigerant lines installed in buried pipes and when the total equivalent line length exceeds 50 feet.

8. Install a 5 minute outdoor unit cycle protector on all units.

9. Install a liquid line sized per manufacturerís instructions on all systems when the equivalent refrigerant line length exceeds 50 feet.

10. The contractor shall be responsible to provide locking-type tamper resistant caps on all refrigerant access port located outdoor,s except where the refrigerant ports are located in secure locations with key access.

2.03 HANGERS AND SUPPORTS
A. Building Attachments: Powder-actuated-type, drive-pin attachments with pullout and shear capacities appropriate for supported loads and building materials, UL listing and FM approval for fire-protection systems. Install additional attachments at concentrated loads, including valves, flanges, guides, strainers, expansion joints, and at changes in direction of piping. Provide beam clamp retaining straps for all pipe supports where attached to steel beams. 23 23 00

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B. Mechanical-Anchor Fasteners: Insert-type attachments with pullout and shear capacities appropriate for supported loads and building materials.

C. Load Distribution: Install hangers and supports so piping live and dead loading and stresses from movement will not be transmitted to connected equipment.

D. B-Line, finish: Electro-Chromate or hot dipped galvanized.

1. Individual: B3690, B3100 cleavis or B3110
a. Use H-104 all thread rod.
b. Use B3110 for pipe subject to movement.

2. Pipe Straps: B2007-B2072 for standard pipe, B2000-B2069, copper coated for copper.

3. For insulated pipe - B3690 pipe hangers sized to allow pipe insulation to pass continuously through the hanger.
a. Trapeze Supporting Rods: Diameter sufficient to support the load with a safety factor of

5. b. Isolators: 319 CT or Trisolator.

PART 3 - EXECUTION

3.01 INSTALLATION OF REFRIGERANT PIPING
A. Install Bare Metal Pipe Isolators: Stoneman ìTrisolatorî, Superstrut ìCust-aStripî, Unistrut on all non-insulated refrigerant piping.

B. Install pipe supports on the outside of the insulation for all insulated refrigerant piping.

C. The buried portion of the refrigerant lines shall be buried in gravel filled trench. The refrigerant lines shall be installed in a 4î minimum schedule 40 PVC plastic pipe. The 4î pipe shall be sealed moisture tight to prevent moisture from entering the buried refrigerant lines.

1. The buried portions of the refrigerant lines shall slope towards the indoor unit.

2. All the PVC joints shall be sealed with joint cement to prevent moisture leakage.

3. There should be a minimum of joints in the buried portion of the refrigerant lines. If the buried portion is less than 20 feet, there should not be any joints in the buried portion.

4. The refrigerant leak test shall be performed prior to final sealing of the PVC pipe.

5. The refrigerant suction line must be insulated through the buried portion as wells as all other portions as previously specified.

3.02 PIPING HANGERS AND SUPPORTS
A. General

1. Miscellaneous: Provide all supports, anchors, concrete pads, grouting, bedding, bracing, vibration isolation, and accessories required for pumps and other equipment.

2. Support all piping with appropriate manufactured devices as specified use no wire or makeshift device.

3. The engineer prior to installation shall approve all hanger material.

4. Size hanger rods, screws, bolts, nuts, etc., according to manufacturer's recommendations.

Size hangers to fit around bare pipe, isolator, or insulated pipe shield as appropriate.

5. Use cadmium plated or galvanized hangers, attachments, rods, nuts, bolts and other accessories where exposed to weather. Hot dip galvanize all items which are not factory finished. Plating for hinged movements must be done at factory.

6. Hanger rods with C-clamp type structural attachment shall be equipped with retaining straps.

7. At each support on bare copper tubing or piping system, install an isolator; at each support point on insulated piping systems, install an insulated pipe shield.

8. Burning, welding, cutting, or drilling on any structural member may only be done if approved by the structural engineer.

9. No valve or piece of equipment shall be used to support the weight of any pipe. 23 23 00

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Dry Creek WWTP Operations and Lab Building
210015.01

10. Provide a hanger close to the point of change of direction of pipe run in either horizontal or vertical plane.

11. When hangers or supports do not come within one foot of a branch line fitting, install an additional hanger or support at the fitting.

B. Pipe Supports

1. Horizontal Lines
a. Suspend all horizontal pipes individually and not in contact with the structure except as specified below. Support each branch line with at least one hanger.

C. Parallel pipes may be supported on trapeze type hangers. Size trapeze hangers to support weight of piping plus a surcharge of 300 pounds. For three or more pipes use a size suitable for the load in accordance with manufacturers published load ratings. No deflection to exceed 1/180 of a span. Anchor rods securely to building structure.

1. Hanger Spacing Schedule:

Type of Pipe 1" dia. Or under 1º" to 2" dia
Copper Tubing 6í-0" 8í-0"
Rod Size: 3/8î ½î

3.03 TESTING OF REFRIGERANT PIPING
A. Test all piping at completion of rough-in, in accordance with the following schedule and show no loss in pressure or visible leaks after a minimum duration of 12 hours at the test pressure indicated. The contractor shall furnish testing equipment. Testing personnel shall be competent to conduct the tests, and demonstrate satisfactory completion of tests to the engineer.

System Tested Test Pressure Psig Test Medium
Refrigerant ñ Liquid 250 Nitrogen, let stand 12 hours
Refrigerant ñ Suction 150 and 28î vacuum Nitrogen, let stand 12 hours B. Before covering, concealing, or using the refrigerant piping system or parts thereof, test and prove tight; obtain certification of the inspector that this has been accomplished.

C. Valves and connected equipment or any system component with a pressure rating less than the system test pressure shall not be subjected to the test.

D. If systems are tested in sections, include connections to preceding tested sections in ensuing tests.

E. After producing the specified test pressure, disconnect the pressurizing source; do not introduce further pressure for the duration of the test period. Should any pressure loss or detectable leak occur within test period, repair piping and retest. Repeat the procedure until the system is proved tight.

F. Test all piping as noted above, with no leaks or loss in pressure. Repair or replace defective piping until tests are accomplished successfully

END OF SECTION
23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply the work in this section.

1.02 SECTION INCLUDES
A. General: Refer to Section 23 05 00, Mechanical - General.

B. Work Included: Provide all ductwork and ductwork accessories, auxiliaries, and adjuncts for all and systems as specified or shown.

C. Work Described Elsewhere: HVAC piping, equipment, and controls are specified in other HVAC Sections.

PART 2 - PRODUCTS

2.01 DUCT WORK
A. Requirements

1. Shop Fabricated Ductwork
a. Fabricate ductwork as required by classification as described below or gauges, and of configuration and sizes shown on the Drawings. Note that duct sizes shown are net inside; where ducts are lined, fabricate larger than shown to accommodate lining with shown dimensions net inside lining.
b. Fabricate ducts and fittings as shown on drawings, or if not detailed, fabricate in accordance with SMACNA.
c. Fabricate ducts with adequate cross-bracing or reinforcing to prevent drumming; should drumming subsequently occur, provide additional reinforcement as necessary to overcome same.
d. Construct ducts to provide smooth passage for the conducted air, laying edges exposed to the airstream in the direction of air flow.
e. Fabricate elbows or other fittings for changing direction of duct with a centerline radius equal to 1.5 times the duct width unless shown otherwise or necessitated by space restrictions. Where square or short radius turns are shown or required, fit with air turning vanes.
f. Fabricate diverging transitions with side slopes of 1:6; fabricate converging transitions with side slopes of 1:2. Greater slopes may be used only where space restriction prohibits specified slopes.

2. Factory fabricated ductwork construction shall conform to applicable requirements stipulated above for shop fabricated ductwork.

B. Galvanized Steel Ductwork (GSD)

1. Rectangular Cross Section
a. Shop fabricated of prime grade lock seam for quality galvanized steel sheet in accordance with requirements stipulated above and fitted with auxiliaries and accessories as specified below and shown on the drawings.

2. Low Pressure Ductwork, up to 2" static pressure and 2,500 fpm:

3. Rectangular Duct: GSD gauge per SMACNA or C.M.C whichever is more stringent.

4. Round Duct: As manufactured by United McGill Corp or equal. Uni-Rib, UNIRIB DUCT machine formed, spiral lock seam construction spot welded and bonded seams with an intermediate standing rib for rigidity. Slip joint construction couplings with a minimum of 2" insertion length. GSD gauge per SMACNA or C.M.C whichever is more stringent.

5. Fittings: (except elbows) machine formed using SMACNA RL-1 seams with seal class B. 23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

6. Plenums: Fabricate cross-brake panels and stiffen with galvanized steel angle iron members. Provide duct access doors as specified below and as shown on drawings.

7. Elbows: fittings shall have a wall thickness not less than that specified for longitudinal straight ducts as shown in Table 3-2 and 3-3, SMACNA HVAC Duct Construction Standards, Metal and Flexible, 4" - 8" two piece, die stamped with fully welded longitudinal seam; 9" - 30", segmented standing seam construction; 31" - 36", segmented construction with joint spot welded and bonded. Each segmented elbow shall have the number of segments as indicated by Table 3-1 SMACNA HVAC Duct Construction Standards, Metal and Flexible for above 1500 fpm.

C. Medium Pressure Duct, from above 2" to 6" static pressure and to 4000 fpm:

1. All ductwork shall be constructed per SMACNA guidelines or C.M.C whichever is more stringent for medium pressure ductwork.

2. Flat Oval Duct:
a. As manufactured by United McGill Corp or equal. Uni-Seal flat oval duct and fittings, spiral lock seam or fully welded longitudinal seam, as needed, construction, and FORC reinforcing connectors.

Major Axis
GSD Gage:

Fittings Gage:
up to 24"
24 20
25"- 36"
22 20
37"- 48"
22 18
49"- 60"
20 18
61" - 70"
20 16
71" & Up
18 16
b. b. Fittings: (except elbows) machined formed using SMACNA RL-1 seams with seal class A.

3. All ductwork shall be constructed per SMACNA guidelines or C.M.C whichever is more stringent for medium pressure ductwork.

4. Round Duct:
a. As manufactured by United McGill Corp or equal. Uni-Seal heavy gauge round duct and fittings machine formed, spiral lock seam or fully welded, as needed, construction for rigidity.
b. Fittings: (except elbows) machined formed using SMACNA RL-1 seams with seal class A.

5. Unless otherwise specified, standing seam joint shall be used wherever possible on all fittings. All standing seam joints shall be sealed with a UL-Classified zero flame spread and zero smoke developed cement specially formulated for bonding metal-to-metal joints.

In lieu of standing seam construction, joints may be solid welded or spot welded and bonded. All welded joints shall be coated with a protective paint, inside and out, to prevent damage to the galvanized surface. Spot-welded fittings shall have all joints sealed with a UL-Classified zero flame spread and zero smoke developed cement specially formulated for bonding metal-to-metal joints.

6. Elbows: fittings shall have a wall thickness not less than that specified for longitudinal straight ducts as shown in Table 3-2 and 3-3, SMACNA HVAC Duct Construction Standards, Metal and Flexible, 4" - 8" two piece, die stamped with fully welded longitudinal seam; 9" - 30", segmented standing seam construction; 31" - 36", segmented construction with joint spot welded and bonded. Each segmented elbow shall have the number of segments as indicated by Table 3-1 SMACNA HVAC Duct Construction Standards, Metal and Flexible for above 1500 fpm.

7. Divided-flow fittings shall be constructed with a radiused entrance to all branch taps and with no excess material projecting from the body into the branch tap entrance.

8. Liner for all fittings shall be as specified above.

9. Type II Hood Exhaust Duct: Ducts for Type II hoods shall be stainless steel, minimum

0.044 inch thickness, welded seams to first vertical rise up shaft. 23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

D. Conical Fittings:

1. Low pressure:
a. All conical fittings shall be constructed with a minimum 2î flare around entire perimeter and a minimum 1:2 slope unless noted otherwise.

2. Medium pressure:
a. All conical fittings shall be constructed with a minimum inlet equal to 1.5 times the outlet (1.5 x D) and a length equal to 0.7 times the outlet (0.7 x D) where D equals the duct diameter.
b. All conical fittings shall be constructed per SMACNA HVAC Construction Standards Metal And Flexible, figure 2-6
E. 45 degree entry fittings:

1. All 45 degree entry fittings shall be constructed per SMACNA HVAC Construction Standards Metal And Flexible, figure 2-6.

F. Fume Hood Exhaust Ductwork:

1. All fume hood exhaust duct shall be Type 316 Stainless Steel, 18-gauge minimum. All joints shall be welded.

2.02 DUCTWORK ACCESS
A. Duct Access Doors:

1. Access panels - Rectangular ducts
a. Size to provide easy access, but not less than 18" wide. b. Ventfabrics "Ventlok" insulated, hinged and latched type or equal

2. Access panels - Round ducts
a. Size to provide easy access, but not less than 18" wide. b. Ductmate-Metu round insulated access door or equal

2.03 DUCTWORK ADJUNCTS
A. Intake/Exhaust Screens: Provide ½î mesh 18 gauge galvanized iron bird screens at all exterior openings in mechanical system except where provided by others.

B. Combustion Air Openings: Provide corrosion resistant ºî screen mesh at all combustion air openings except where ducts terminate in attics.

C. Insulation: As specified in Section 23 07 00, Insulation.

D. Test Fittings: Ventlok #699.

E. Duct Penetrations:

1. Where ducts penetrate fire separations in the building, provide fire dampers or smoke/fire dampers as specified, shown and required by code.

2. Where ducts penetrate roof or exterior walls, provide 24 gauge galvanized sheet metal flashing and counterflashing; solder all joints and make watertight, including under all air handlers, around all duct work penetrations, and exhaust fans.

F. Sealants

1. Design Polymerics DP1020, Ductmate PROseal high velocity duct sealant, Childers CP146/CP-148, Fosters 32-19/32-17, or equal, UL 723, ASTM E-84

2. Low Shrinkage, flexible, and mildew resistant conforming to NFPA 90A and 90B 23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

G. Tapes and Adhesives:

1. Pressureless Tapes: Hardcast, 4" wide Type DT 5400 mineral impregnated woven fiber tape with manufacturer's FTA-20 activator/adhesive (indoors) and RTA-50 activator/adhesive (outdoors), applied with brush or roller in accordance with manufacturer's directions.

H. Transverse Duct Connections:

1. Traverse Joints: Ductmate or WDCI proprietary duct connection systems will be accepted.

Ductwork constructed using these systems will refer to the manufacturers guidelines for sheet gauge, intermediate reinforcement size and spacing, and joint reinforcements.

TDC/TDF/T-24 shall be constructed as a SMACNA T-24 flange.

2. The Ductmate companion angle with an integral polymer mastic seal shall be securely fastened to the duct walls using self-drilling screws, rivets or spot welding. Fastener spacing shall be as recommended by the manufacturer for the size or duct and the pressure class. The raw duct ends shall be properly seated in the integral mastic seal. A continuous strip of closed cell gasket tape, size 1/4" x 3/4", shall be installed between the mating flanges of the companion angles at each transverse joint, and the joint shall be made up using 3/8" diameter x 1" long plated bolts and nuts. Drive-on or snap-on cleats shall be used at spacings as recommended by the manufacturer.

3. The Ductmate system shall not be used for applications with duct gauges heavier than 16 gauge or lighter than 26 gauge.

4. Longitudinal Seams: Pittsburgh Lock shall be used on all longitudinal seams. All longitudinal seams will be sealed with a mastic sealant. Snaplock is not acceptable.

PART 3 - EXECUTION

3.01 APPLICATIONS
A. Galvanized Steel Ductwork (GSD): Except where specified or shown otherwise, use (GSD) conforming to requirements (Part 2), or cross section configuration shown, in all locations (indoor/outdoor, above/below grade, concealed/exposed).

B. Flexible Fibrous Glass Duct (FFG): Use (FFG) only where specifically called for on the drawings, as connection between to air outlets and inlets.

C. No round-to-round saddle taps are allowed.

3.02 DUCTWORK
A. Pressure-Velocity Classification:

1. All supply ductwork on constant volume systems (low pressure):
a. All ductwork shall be constructed per SMACNA static pressure class of positive +2î and a velocity of 2500 FPM.
b. Seal all joints and seams on all ducts and plenums per SMACNA seal class B.

Pressure sensitive tapes are not allowed.

2. All return ductwork (low velocity):
a. All ductwork shall be constructed per SMACNA static pressure class of negative -2î and a velocity of 2500 FPM.
b. Seal all joints and seams on all ducts and plenums per SMACNA seal class B.

Pressure sensitive tapes are not allowed.
23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

3. All general exhaust ductwork (low pressure):
a. All ductwork shall be constructed per SMACNA static pressure class of negative -2î and a velocity of 2500 FPM.
b. Seal all joints and seams on all ducts and plenums per SMACNA seal class B.

Pressure sensitive tapes are not allowed.

4. All fume exhaust ductwork (medium pressure):
a. All ductwork shall be constructed per SMACNA static pressure class of negative -4î and a velocity of 2500 FPM.

B. Broken places in galvanized coating made in forming shall be completely covered with galvanized paint.

C. All ductwork shall comply with the C.M.C and the local jurisdictionís addendum.

D. Ducts shall be reinforced in accordance with SMACNA HVAC Duct Construction Standards - Metal and Flexible, Latest Edition (low pressure and medium pressure, where shown on drawings). Duct shall be diagonally creased on all four sides. Seams shall be double crimped, bent and elbows shall be made with the throat radius of all bends 12" diameters of the width of the duct wherever possible and in no case shall the throat radius be less than one diameter of the branch duct. Where space does not permit the above radius or where square elbows are indicated on the drawings, they shall be equipped with turning vanes of an approved type for low velocity ducts. Medium velocity ducts shall not use turning vanes and shall not use square elbows unless shown otherwise. Use Ductmate closure systems for all round and rectangular ducts.

E. Transition pieces in the ducts shall have the sides sloped approximately one to five and no abrupt changes or offsets of any kind in the duct system will be permitted. Round to round take-offs shall be made with 45 wye fittings.

F. Ductwork Auxiliaries

1. Flexible Connectors
a. Install duct sections being fitted with a flexible connector with a 3" minimum gap between the ends being bridged by the flexible connector. Provide a generous fold in connector to allow for movement; staple and seal closure. b. Provide 26-gauge galvanized steel weather shield on top and sides of flexible duct connectors for outdoor installations. Install weather shield at same time as flexible connectors; unprotected flexible connections will be replaced with new connectors at contractor's expense if the weather shields are installed at a subsequent time.

G. Access and Inspection Panels and Doors

1. Install panels and doors so that frames do not protrude into air stream. Mount frame against outside of lined ducts; provide 13" flanged stub for access panels on other ducts.

2. Provide inspection panel at each splitter damper.

3. Provide access panel at each fire damper or smoke/fire damper and elsewhere in the ductwork as required. Label as specified in Part 2 above.

4. Wall and ceiling access panels: Furnish as required for access to ducts, damper operators, duct mounted access panels, etc.; coordinate size and location to obtain good access.

H. Duct sizes shown on lined duct shall be clear inside insulation.

I. Paint the inside of ductwork visible through grilles and registers dull black.

J. Furnish and install 1-1/2 x 1-1/2 x 3/16" closure angles around all exposed ducts through walls and ceilings. (Both sides)
K. Access doors shall be provided in ductwork for easy access to each fire damper and smoke/fire damper.
23 31 13

METAL DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

3.03 FIELD QUALITY CONTROL
A. General

1. Perform testing and provide demonstrations as specified in other HVAC Sections.

2. Comply with requirements of Part 3, 23 05 00.

B. Duct Cleaning

1. Clean all ductwork in the shop prior to shipping. All ductwork shall be transported to the site in covered vans to eliminate contamination or shall be sealed prior to shipment and shall be protected from contamination at the site.

2. After fabrication, and during and after installation, seal sections of open ductwork with plastic sheeting to prevent the intrusion of dirt and debris.

3. After installation is complete, but before balancing and final connections are made, and with construction filters in place, blow clean all ductwork with the system fans operating at full air volume.

4. All return air ductwork shall be kept sealed until all construction is complete. If the air conditioning system is used during construction, the return air ductwork system shall not be used. Other means of outlets shall be used, such as leaving doors or windows open.

C. Demonstrations: Before enclosing ductwork operate each fire damper and smoke/fire damper in the presence of the Owners representative to show that each damper is functional.

D. Inspections: Evidence of poor fabrication or installation, as disclosed by job site inspections, will be cause for rejection; replacement or repair of defective work shall be done at no additional cost to the Owner.

E. Ducts exposed in the conditioned space shall be free of dents and blemishes. Ducts shall be mounted tight against adjacent surfaces.

F. Duct slopes for transitions shall not be more than 1:4 unless otherwise shown. No abrupt changes or offsets of any kind in the duct system is allowed.

G. All round duct exposed within the space shall be spiral duct and fittings.

3.04 ADJUSTING AND FINISHING
A. General: Comply with requirements of Part 3, 23 05 00. Adjust fan speeds as necessary.

END OF SECTION
23 31 16

FLEXIBLE DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply the work in this section.

1.02 SECTION INCLUDES
A. General: Refer to Section 23 05 00.

B. Work Included: Provide all ductwork and ductwork accessories, auxiliaries and adjuncts for all systems as specified or shown.

C. Work Described Elsewhere: HVAC piping, equipment, and controls are specified in other HVAC Sections.

PART 2 - PRODUCTS

2.01 DUCT WORK
A. Factory-made air ducts shall be approved for the use intended or shall conform to the requirements of C.M.C. Standard No. 6-1.

1. Each portion of a factory-made air duct system shall be identified by the manufacturer with a label or other suitable identification indicating compliance with C.M.C. Standard No. 6-1 and its class designation. These ducts shall be listed and shall be installed in accordance with the terms of their listing.

2. All factory-made air ducts must be Approved Class 0 or Class 1.

B. Flexible Ducts: Comply with SMACNA's "Duct Construction Standards, Metal and Flexible.

Owens-Corning Fiberglass Valuflex or equal, insulated, wire helix type, 6 inch W.C. min.

Product shall qualify as Class I Air Duct per UL181. Inner liner shall be black where visible through registers. All flexible ductwork must have a FHC not exceeding 25/50.

C. Flexible Ductwork - Circular Cross Section:

1. Thermaflex M-KE or approved equal insulated flexible glass fiber duct factory fabricated as a Class 1 air duct, constructed of 2-layers of polyester film 100% bonded together, encapsulating the galvanized steel wire. Insulated with fiberglass insulation and jacketed with a reinforced vapor barrier jacket listed and labeled as a Class 1 Air Duct. Tested in accordance with U.L. Standard 181. Meets all requirements of NFP 90-A & 90-B, CMC Standards. Inner liner shall be black where visible through registers. All flexible ductwork must have a flame and smoke spread not exceeding 25/50

2. R-Value shall be 8.0 or greater in accordance with ADC Flexible Duct Performance and Installation Standards.

3. Joint sealant: Fiberglass Type II (glass fabric) Duct Tape with a UL 181 B-M rating and panduit strap, as detailed on drawings.

PART 3 - EXECUTION

3.01 APPLICATIONS
A. Flexible Fibrous Glass Duct (FFG): Use (FFG) only where specifically called for on the drawings, as connection between terminal boxes and air outlets.

B. All ductwork shall comply with the C.M.C and the local jurisdictionís addendum.

C. Flexible Fibrous Glass Ducts (FFG) - install as follows:
23 31 16

FLEXIBLE DUCTS
Dry Creek WWTP Operations and Lab Building
210015.01

1. In a single piece not exceeding 5 feet in length.

2. With each section carrying a UL Class I label.

3. With no sharp bends. Do not bend size 4" through 12" diameter in excess of 180 in a 5 ft. length; do not bend sizes over 12" diameter in excess of 90 in a 5 ft. length.

4. Listed flexible duct: Install flexible duct as per manufacturers instructions. With all metal-tometal connections secured with Panduit PLT-8H clamps or stainless steel cinch clamp, apply duct sealant between the end of the duct and the collar in a 2-inch band and clamp as described above. Allow at least 48 hours before pressure testing.

5. Supported at 4 ft. centers with 24 gauge, 12" galvanized saddles.

D. Flexible Fibrous Glass Ducts (FFG) ñ shall not be used to replace rigid elbows or fittings per the CMC.

3.02 FIELD QUALITY CONTROL
A. General

1. Perform testing and provide demonstrations as specified in other HVAC Sections.

2. Comply with requirements of Part 3, Section 23 05 00.

B. Duct Penetrations:

1. Where ducts penetrate fire separations in the building, provide fire dampers or smoke/fire dampers as specified, shown and required by code.

C. Demonstrations: Before enclosing ductwork operate each fire damper and smoke/fire damper in the presence of the Owners representative to show that each damper is functional.

D. Inspections: Evidence of poor fabrication or installation, as disclosed by job site inspections, will be cause for rejection; replacement or repair of defective work shall be done at no additional cost to the Owner.

END OF SECTION
23 33 13

DAMPERS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply to the work in this section.

B. Section 23 05 00, General Mechanical Requirements applies to this section.

1.02 QUALITY ASSURANCE
A. All HVAC equipment shall comply with California Code of Regulations, Title-24, Part 6, latest edition.

B. Comply with UL 1/81 and UL 181A for ducts and closures.

PART 2 - PRODUCTS

2.01 DAMPERS
A. All dampers for us in low temperature air below 50° F duct shall have non-conducting composite damper shafts with shaft bearings and air seats.

B. Manual Dampers:

1. Round Ductwork 16î and smaller (low pressure):
a. Butterfly type, volume dampers.
b. Provide locking mechanism shall be provided on either the quadrants or end bearings.

Ventlock or equal. Damper blade shall be a minimum of 22 gauge, but not less than two gauges more than the duct gauge.
c. All duct penetrations shall be gasketed to prevent air leakage. d. Provide stand-offs as required for specified insulation thickness (see section 23 07 13. e. Continuous 3/8î min rod shall be provided.
f. In locations where ducts are exposed use Ventlok #688 damper regulator for low pressure applications.

2. Round Ductwork 18î and larger (low pressure):
a. Manual Dampers: Opposed blade type, 6î maximum blade width, Vent Products model 5303 or equal.

3. Rectangular Ductwork 12î high and smaller (low pressure):
a. Rectangular volume dampers shall be Air Balance #111 or equal.

4. Rectangular Ductwork larger than 12î high (low pressure):
a. Rectangular volume dampers shall be Air Balance #AC-2 or equal.

5. Stainless Steel Ductwork:
a. All materials used for dampers shall be stainless steel.

C. Smoke/Fire Dampers:

1. General:
a. Provide Ruskin Model FSD60 or equal with State Fire Marshal approval for all applications other than in Stainless Steel Ductwork.
b. Provide Ruskin Model FSD36 or equal with State Fire Marshal approval for all applications in Stainless Steel Ductwork.
c. The maximum pressure drop at design flow of the smoke fire damper shall not exceed

0.3 inches w.g.
d. Provide a duct mounted smoke detector with in-duct probes. No duct smoke detectors shall be located inside the duct.
e. Provide a fire alarm connection to monitor the damper. Coordinate with the fire alarm design contractor and plans.
23 33 13

DAMPERS
Dry Creek WWTP Operations and Lab Building
210015.01

f. Provide electrical power to the damper per the plans.

2. The combination fire smoke dampers shall meet or exceed the following specifications:
a. The frame shall be a minimum of 16 gauge (1.52) galvanized steel formed into a structural hat channel shape with tabbed corners for reinforcement. b. Bearings shall be stainless steel sleeve turning in an extruded hole in the frame. c. The blades shall be airfoil shaped double skin construction with 14 (1.90) gauge equivalent thickness.
d. Blade edge seals shall be silicone rubber and galvanized steel mechanically locked in blade edge, adhesive or clip fastened seals are not acceptable, and shall withstand 450° F.
e. Jamb seals shall be stainless steel flexible metal compression type. Blade action must be opposed.

3. Each combination fire smoke damper shall be 12-hour fire rated under UL Standard 555, and shall further be classified by Underwriters Laboratories as a Leakage Rated Damper for use in smoke control systems under the latest version of UL555S, and bear a UL label attesting to same.

4. Damper manufacturer shall have tested and qualified with UL, a complete range of damper sizes covering all dampers required by this specification. Testing and UL qualifying a single damper size is not acceptable.

5. The leakage rating under UL555S shall be no higher than leakage class 1 (4 cfm/ft. at 1î w.g. and 8 cfm/ft. at 4î w.g.)

6. As part of the UL qualification, dampers shall have demonstrated a capacity to operate (to open and close) under HVAC system operating conditions, with pressures of at least 4î w.g. in the closed position and 3000 fpm air velocity in the open position.

7. In addition to the leakage ratings already specified herein, the combination fire smoke dampers and their actuators shall be qualified under UL555S to an elevated temperature of 350°F.

8. Appropriate electric actuators shall be installed by the damper manufacturer at time of damper fabrication. Damper and actuator shall be supplied as a single entity which meets all applicable UL555 and UL555S qualifications for both dampers and actuators.

9. Manufacturer shall provide factory assembled sleeve of 16î minimum length, contractor to verify requirement.

10. Factory supplied caulked sleeve shall be 20 gauge to dampers through 84î wide and 18 gauge above 84î wide.

11. Damper and actuator assembly shall be factory cycled 10 times to assure operation. a. Coordinate damper actuator voltages with Fire Alarm Contractor.

12. Each combination fire/smoke damper shall be equipped with a controlled 7 to 15 second heat actuated release devise.

13. The electric EFL (electric fuse link) shall close and lock the fire/smoke damper during test, smoke detection, power failure or fire conditions through the actuator closure springs.

14. To prevent duct and HVAC component damage, the damper shall at all times be connected to the actuator for controlled closure in not less than 7 seconds and no more than 15 seconds. Instantaneous damper closure is unacceptable.

15. Damper shall be automatic remote resettable after test, smoke detection or power failure conditions. After exposure to high temperature or fire, the damper must be inspected prior to reset to ensure proper operation. Release temperature shall be 165°F, 212°, 285°F.

16. Actuator: Provide Belimo FN120 or NF24 spring return damper actuator. Coordinate with fire alarm contractor for correct voltage. Actuator shall be located outside the airstream and duct.
23 33 13

DAMPERS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 3 - EXECUTION

3.01 DAMPERS
A. Install duct accessories according to applicable portions of details of construction as shown in SMACNA standards.

B. Install volume-control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner.

C. Ductwork shall comply with Chapter 6 C.M.C.

D. Where ducts penetrate fire separations in the building, provide fire dampers or smoke/fire dampers as specified, shown and required by code.

E. Balancing Dampers

1. Provide balancing dampers (same as volume dampers specified in this section) where shown on drawings and any other locations required to achieve proper system air balance.

In general, balancing dampers are required at all zone supply air ducts from supply air plenums, equipment, and in ducts to supply and return air grilles. All dampers shall be placed as shown. Minimum of seven duct diameters prior to the diffuser or register.

2. Damper operators shall be installed in either to side or bottom of ductwork.

END OF SECTION
23 33 23

TURNING VANES
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SEE 23 05 00
PART 2 - PRODUCTS

2.01 AIR TURNING VANES AND DEVICES
A. Ordinary type installed in elbows: Type, size, etc., as shown on drawings (see Duct Symbol Legend), fiberglass turning vanes are not acceptable. Install multiple turning vane sections with vanes 36î long or less in large elbows. Use turning vanes specifically rated for medium velocity when duct velocity exceeds 2,500 fpm.

1. Installed at duct branches or take-offs where shown: Ward Industries VNN, VNA, Airsan Accoustiturn, or equal.

PART 3 - EXECUTION

3.01 AIR TURNING VANES AND DEVICES
A. Provide at all square elbows and elsewhere as shown and scheduled on drawings. Do not use double thickness duct turns on turns less than 12" wide. Where height of double thickness duct turns exceeds 36", provide 1" H 1" H 16 gauge channel brace at mid-height, secure to duct at both ends. Acoustical duct turns: Where height exceeds 36" provide 16 gauge channel brace at mid-height secured to duct at both ends. Fiberglass turning vanes will not be acceptable.

END OF SECTION
23 33 43

FLEXIBLE CONNECTORS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply to the work in this section.

B. Section 23 05 00, General Mechanical Requirements applies to this section

1.02 QUALITY ASSURANCE
A. All HVAC equipment shall comply with California Code of Regulations, Title 24, Part 6, latest edition.

B. Comply with UL 181 and UL 181A for ducts and closures.

PART 2 - PRODUCTS

2.01 EQUIPMENT
A. Flexible Connectors: Ventlok, flexible fabric, Duralon Flexible fabric with Metalfab connectors at connections to fans and air handling equipment.

1. Comply with UL 181, Class 1.

2. Minimum fabric weight 26 oz. / sq. yd. ± 2 oz., thickness 0.019".

3. Ventfabrics Inc. Ventlon, or equal, for exterior applications, resistant to sunlight, ozone and weather.

4. Ventfabrics Inc. Ventglass, or equal, for interior applications.

5. Complies with Underwriters Laboratories Standard # 214 for fire retardancy, and is accepted by the National Fire Protection Association for vibration isolation connectors in duct systems as covered by Paragraph 2-1.2.3 NFPA Bulletin #90A.

6. Bonding Agent, Ventfabrics # 655 Adhesive or equal.

PART 3 - EXECUTION

3.01 DUCTWORK AUXILIARIES
A. Flexible Connectors

1. Install duct sections being fitted with a flexible connector with a 3" minimum gap between the ends being bridged by the flexible connector. Provide a generous fold in connector to allow for movement; staple and seal closure.

2. Provide 26-gauge galvanized steel weather shield on top and sides of flexible duct connectors for outdoor installations. Install weather shield at same time as flexible connectors; unprotected flexible connections will be replaced with new connectors at contractor's expense if the weather shields are installed at a subsequent time.

3. Ductwork shall be supported separately from the fan within 3 feet of the flexible connection.

END OF SECTION
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DUCT LINER
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 ñ SEE 23 05 00
PART 2 - PRODUCTS

2.01 EQUIPMENT
A. Miscellaneous equipment not specified herein shall be furnished as scheduled on the drawings.

B. C.C.R. - Title 24 Energy Standards, Requirements: All insulation values shall meet current requirements of the C.C.R. Energy Standards.

2.02 DUCT WORK
A. Rectangular Duct, Flexible Blanket Liner: Flexible blanket made from strong, glass fibers bonded with a dark impregnated thermosetting resin as manufactured by Johns Manville or equal.

1. Air stream surface shall be protected with a smooth surface coating for minimum resistance to airflow, Permacote or equal, UL 723 compliant.

2. Flame spread not over 25, Smoke Developed not over 50.

3. The duct liner shall be suitable for direct application and service as a thermal/acoustical liner for hot or cold round ductwork at air velocities up to 6,000 fpm. a. 1î thickness
1) Liner shall have a minimum R-value of 4.2 and Conductance of 0.24 at 75oF in accordance with ASTM C518
2) Noise: Liner shall have a minimum NRC of 0.70 when tested in accordance with ASTM C423-90 and ASTM E795
b. 1 ½" thickness
1) Liner shall have a minimum R-value of 6.3 and Conductance of 0.16 at 75o F in accordance with ASTM C518
2) Noise: Liner shall have a minimum NRC of 0.85 when tested in accordance with ASTM C423-90 and ASTM E795
c. 2î thickness
1) Liner shall have a minimum R-value of 8.0 and Conductance of 0.13 at 75o F in accordance with ASTM C518
2) Noise: Liner shall have a minimum NRC of .95 when tested in accordance with ASTM C423-90 and ASTM E795
d. The duct liner shall be suitable for direct application and service as a thermal/acoustical liner for hot or cold rectangular ductwork and plenums at air velocities up to 6,000 fpm.

PART 3 - EXECUTION

3.01 DUCT LINER
A. Install volume-control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner.

B. Duct Liner

1. Applications
a. Rectangular Supply Ducts Exposed to Weather: Flexible Blanket/Coated Liner, 2î thickness.
b. Rectangular Ductwork Exposed in Space or Concealed Above Ceiling: Flexible Blanket/Coated Liner, 1" thickness.
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DUCT LINER
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210015.01

c. Round Ductwork Exposed in Space or Concealed Above Ceiling: Flexible Blanket/Coated Liner, 1" thickness.
d. Round Ductwork Exposed to the Weather: Flexible Blanket/Coated Liner, 2" thickness.

2. Install duct liner in all plenums, exposed ducts and ducts for a distance of 10' on each side of all fans, where specified here and at other locations indicated on drawings.

3. On rectangular duct secure duct and plenum liner with cement stic-klips at 12" o.c. both ways to duct with Mircale adhesive, then cement the lining in place with 50% covering of Fosters #81-99 Safetee Duct-Fas adhesive. Apply a brush coat of adhesive to edges of insulation where abutted together inside ductwork. Do not leave any raw edges of liner uncoated.

4. On round spiral duct install in accordance with the current Johns Manville Spiracoustic Round Liner System Installation Guide. Apply a brush coat of adhesive to edges of insulation where abutted together inside ductwork. Do not leave any raw edges of liner uncoated.

5. Duct sizes shown on lined duct shall be clear inside insulation.

END OF SECTION
23 34 16

LABORATORY EXHAUST FANS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SCOPE
A. Installation of rooftop laboratory exhaust and axial flow fans. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 1 Specification Sections, apply to this Section.

1.02 WORK INCLUDED
A. High-Plume Dilution Laboratory Exhaust System and Axial Flow Exhaust Fans.

1.03 RELATED DOCUMENTS
A. This Section includes rooftop laboratory exhaust fans and axial exhaust fans.

B. Related Sections include the following:

1. Division 1

1.04 REFERENCES
A. AMCA Publication 99, "Standards Handbook"
B. ANSI/AMCA Standard 210-99, "Laboratory Methods of Testing Fans for Aerodynamic Performance Rating"
C. AMCA Publication 211-05, "Certified Ratings Program - Product Rating Manual for Fan Air Performance"
D. AMCA Standard 300-05, "Reverberant Room Method for Sound Testing of Fans" E. AMCA Publication 311-05, "Certified Ratings Program" F. AMCA Standard 260-07, "Laboratory Methods of Testing Induced Flow Fans for Rating" G. AMBA Method of Evaluating Load Ratings of Bearings ANSI-11 (r1999) H. ANSI/AMCA Standard 204-05, "Balance Quality and Vibration Levels for Fans" I. AMCA Standard 500-D-07, "Laboratory Methods of Testing Dampers for Rating" J. AMCA Standard 500-L-07, "Laboratory Methods of Testing Louvers for Rating" K. SMACNA - Medium Pressure Plenum Construction Standard L. ANSI Z9.5 ñ Laboratory Design
M. ASHRAE - Laboratory Design Guide

1.05 SUBMITTALS
A. Product Data: Include manufacturer's technical data for each model indicated, including rated capacities of selected model clearly indicated; dimensions; required clearances; shipping, installed, and operating weights; furnished specialties; accessories; and installation and startup instructions.

B. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loadings, required clearances, components, and location and size of each field connection.

C. Commissioning Reports: Indicate results of startup and testing commissioning requirements.

Submit copies of checklists.

D. Maintenance Data: Maintenance manuals specified in Division 1. 23 34 16

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1.06 QUALITY ASSURANCE
A. Performance ratings: Conform to AMCA standard 210, 260 and 300. Fans must be tested in accordance with AMCA 210, 260 and 300 in an AMCA accredited laboratory and certified for air and sound performance.

B. Fan shall be licensed to bear the AMCA ratings seal for air performance (AMCA 210), sound performance (AMCA 300), and induced flow fan for high plume dilution blowers (AMCA 260).

C. Manufacturers that are not licensed to bear the AMCA 210 and 260 ratings seal, must provide performance witness testing (at the manufacturer's expense), per paragraph 1.4.D.

D. Classification for Spark Resistant Construction conform to AMCA 99.

E. Each fan shall be vibration tested before shipping, as an assembly, in accordance with AMCA 204-05. Each assembled fan shall be test run at the factory at the specified fan RPM and vibration signatures shall be taken on each bearing in three planes - horizontal, vertical, and axial. The maximum allowable fan vibration shall be less than 0.08 in./sec peak velocity; filter-in reading as measured at the fan RPM. This report shall be provided at no charge to the customer upon request.

F. Manufacturers that do not comply with paragraph 1.6, A must also provide, at the owner and engineer's option and manufacturer's expense, witness testing of fan discharge and entrainment airflow, performed in an AMCA accredited laboratory, in accordance with AMCA 210 and 260.

This test shall verify the critical and safety related dilution performance of the high plume dilution blower, as stated by the manufacturer.

G. Laboratory exhaust system defined in this section shall have a 36 month warranty.

1.07 DELIVERY, STORAGE, AND HANDLING
A. Deliver exhaust fans as factory-assembled units with protective crating and covering as recommended by the manufacturer.

B. Handle exhaust fans to comply with manufacturers written rigging and installation instructions for unloading and moving to final location.

1.08 COORDINATION
A. Coordinate installation of roof curbs, equipment supports, and roof penetrations with roof construction.

1.09 WARRANTY
A. Warranty: The warranty specified in this Article shall not deprive the Owner of other rights the Owner may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by the Contractor under requirements of the Contract Documents.

PART 2 - PRODUCTS

2.01 GENERAL
A. Base fan performance at standard conditions (density 0.075 Lb/ft3).

B. Each fan shall be direct driven in AMCA arrangement 2 according to drawings.

C. Fans to be equipped with 316 stainless steel lifting lugs for corrosion resistance.

D. Fasteners exposed to corrosive exhaust shall be stainless steel. 23 34 16

LABORATORY EXHAUST FANS
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E. Curb cap shall be 316 stainless steel for corrosion resistance.

F. Fan assemblies that use flexible connectors that can fail and cause loss of laboratory containment shall not be acceptable.

G. Fan assembly shall be designed for a minimum of 125-mph wind loading, without the use of guy wires.

2.02 CORROSION RESISTANT COATING
A. All fan and system components (fan, nozzle, wind band, plenum) shall be corrosion resistant coated with LabCoatô, a two part electrostatically applied and baked, sustainable, corrosion resistant coating system; or Heresite P-413C. Standard finish color to be gray.

B. All parts shall be cleaned and chemically prepared for coating using a multi-stage wash system which includes acid pickling that removes oxide, increases surface area, and improves coating bond to the substrate.

C. The first powder coat applied over the prepared surface shall be a zinc rich epoxy primer (no less than 70% zinc) and heated to a gelatinous consistency (partial cure) at which the second powder coat of polyester resin shall be electrostatically applied and simultaneously be cured at a uniform temperature of 400°F.

D. The coating system shall not be less than a total thickness of 6 mils, is not affected by the UV component of sunlight (does not chalk), and has superior corrosion resistance to acid, alkali, and solvents. Coating system shall exceed 4000 hour ASTM B117 Salt Spray Resistance.

E. Note that 10-20 mil thick wet coating systems pollute the environment (air and water), and that these manually applied coatings are not uniform over the impeller surface and can cause fan imbalance and vibration.

2.03 FAN HOUSING AND OUTLET
A. Fan housing to be aerodynamically designed with high-efficiency inlet, engineered to reduce incoming air turbulence.

B. Fan housing shall be bifurcated, allowing all drive components, including the motor, to be serviced without contact of the contaminated airstream. Must be manufactured of welded steel and meet specification section 2.15 for corrosion resistant coating. No uncoated metal fan parts will be acceptable.

C. Fan housings that are fabricated of polypropylene or fiberglass that have lower mechanical properties than steel, have rough interior surfaces in which corrosive, hazardous compounds can collect, and / or which chalk and structurally degrade due to the UV component of the sunlight shall not be acceptable.

D. A multi-stage air induction discharge nozzle shall be supplied by the fan manufacturer, be integral to the fan body, and be designed to efficiently handle an outlet velocity of up to 7000 FPM. The multi-stage nozzle shall induce ambient air up to 270% of fan capacity. Nozzle / Wind band assemblies that are manufactured by third party vendors, or that are fabricated of plastic or resins, having mechanical properties less than steel shall not be acceptable.

E. An integral fan housing drain shall be used to drain rainwater when the fan is de-energized.

F. A bolted & gasketed access door shall be supplied for impeller inspection and service.

G. Fan assembly shall be AMCA type C spark resistant construction minimum or as noted on the schedule.
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2.04 FAN IMPELLER
A. Fan impeller shall be mixed flow design with non-stall characteristics. The impeller shall be electronically balanced both statically and dynamically exceeding AMCA Standards.

B. Fan impeller shall be manufactured of welded and coated steel. Reference specification section

2.15 for corrosion resistant coating.

C. Fan impellers that are fabricated of polypropylene or fiberglass that have lower mechanical properties than steel and lower maximum tip speeds are not acceptable.

D. Vacuum Seal: Fan impeller shall include a secondary fan blade located on the impeller back plate. This secondary impeller shall create a negative pressure at the shaft opening; preventing hazardous or toxic exhaust fumes from escaping through the housing shaft opening. Mechanical shaft seals that wear out and need to be replaced or seal systems that use hoses or tubes that can leak, are not acceptable.

2.05 BYPASS AIR PLENUM
A. For constant volume systems, the fan / nozzle assembly shall be connected directly to roof curb and exhaust duct without the need of the bypass air plenum.

B. For variable volume systems, a bypass air plenum shall be provided as shown on drawings. The plenum shall be provided with bypass air damper(s) for introducing outside air at roof level upstream of the fan, complete with bypass air rain hood and bird screen.

C. The plenum shall be constructed of welded and coated steel and meet specification section 2.15 for corrosion resistant coating. Plenums that are fabricated of plastics or resins that are combustible and have mechanical properties less than steel shall not be acceptable.

D. The bypass air plenum shall be mounted on factory fabricated roof curb provided by the fan manufacturer, as shown on the project drawings (see section 2.5).

E. Fan designs that use inlet flexible connectors that can leak causing loss of lab exhaust shall not be permitted.

F. Bypass air damper(s) shall be opposed-blade design for airflow control, airfoil design, fabricated of steel for structural rigidity, and coated with a minimum of 4 mils of chemically resistant Hi-Pro Polyester resin, electrostatically applied and baked. Bypass dampers shall have stainless steel damper rods, bearings and jamb seals and the blades shall have polymer edge seals. Dampers shall be suitable for application up to 15 inches wg. Damper blade drive linkage shall be set by manufacturer and welded to eliminate linkage slippage. All damper access and service (drive actuators) shall be performed outside of the contaminated plenum interior.

G. If stated in the schedule notes, an optional integral bypass air packed acoustic attenuator fabricated of 304 stainless steel shall be provided by the fan manufacturer (if shown on the drawings). Acoustic insertion loss shall be as follows:
63 125 250 500 1K 2K 4K 8K
3 8 12 21 31 24 16 11
H. Fan isolation damper(s), shall be parallel-blade design, airfoil design, fabricated of steel for structural rigidity, and coated with a minimum of 4 mils of chemically resistant Hi-Pro Polyester resin, electrostatically applied and baked. Bypass dampers shall have stainless steel damper rods, bearings and jamb seals and the blades shall have polymer edge seals. Dampers shall be suitable for application up to 15 inches wg. Damper blade drive linkage shall be set by manufacturer and welded to eliminate linkage slippage. All damper access and service, (including removal and replacement and drive actuators) shall be performed outside of the contaminated plenum interior.
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I. Isolation damper actuator(s), if scheduled, shall be factory mounted and wired to a step-down transformer in a NEMA enclosure with wiring provided to each motor disconnect for field installation by others.

J. Blower / Plenum vibration isolation shall be limited to neoprene / cork vibration pads.

2.06 BYPASS AIR PLENUM CURB
A. Exhaust system manufacturer shall supply a structural support curb for the plenum of specified height as shown on the drawings.

B. Curb shall be fabricated of a minimum of 12 gauge corrosion-resistant coated steel and structurally reinforced.

C. Curbs shall be insulated.

D. When properly anchored to the roof structure, the standard curb / plenum / blower assembly shall withstand wind loads of up to 125 mph without additional structural support.

2.07 FAN MOTOR AND DRIVE
A. Motors shall be premium efficiency, standard NEMA frame, 900, 1200, or 1800 RPM, TEFC with a 1.15 service factor, as scheduled. A factory-mounted NEMA 3R disconnect switch, mounted and wired, shall be provided for each fan. Motor maintenance shall be accomplished without fan or fan impeller removal, or requiring maintenance personnel to access the contaminated exhaust components.

B. Motor mounting shall be ìC-faceî and / or foot mount.

C. Drive arrangement shall be AMCA arrangement #2, utilizing a direct mount coupling connecting the motor shaft and fan impeller shaft. Belt drive arrangement #9 or #10, or direct drive arrangement #4 requiring access and handling of hazardous and contaminated fan components are not acceptable. Fan shaft shall be 316 stainless steel.

D. Fan shaft bearing shall be Air Handling Quality, ball or roller pillow block type, and sized for an L-10 life of no less than 200,000 hours.

E. All shaft bearings and non-permanently lubricated motors shall have extended lube lines with zerk fittings.

F. Motor, coupling, and bearing shall all be outside the contaminated exhaust, and be capable of replacement without disassembling fan and accessing hazardous and contaminated fan components.

END OF SECTION
23 74 33

VRF AND SPLIT SYSTEMS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. The Requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS, and DIVISION 1, GENERAL REQUIREMENTS, apply to the work in this section.

1.02 DESCRIPTION
A. Work Included:

1. Provide all equipment and accessories for the packaged rooftop gas/electric air conditioning units as specified herein.

2. Controls and Instrumentation as specified herein.

B. Starters.

C. Electrical power connections.

1.03 SCOPE
A. Installation of packaged, gas/electric, rooftop air conditioning units. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 1 Specification Sections, apply to this Section.

1.04 RELATED DOCUMENTS
A. This Section includes rooftop heating and cooling units.

B. Related Sections include the following:

1. Division 1

2. Division 7 Section "Manufactured Roof Specialties" for type and style of roof curbs and equipment supports.

3. Division 15 Section "Mechanical Vibration Controls and Seismic Restraints" for manufactured isolation bases.

4. Division 15 Section "Control Systems Equipment" for temperature-control devices, and control wiring and control devices connected to energy recovery units.

1.05 SUBMITTALS
A. Product Data: Include manufacturer's technical data for each model indicated, including rated capacities of selected model clearly indicated; dimensions; required clearances; shipping, installed, and operating weights; furnished specialties; accessories; and installation and startup instructions.

B. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loadings, required clearances, components, and location and size of each field connection.

C. Commissioning Reports: Indicate results of startup and testing commissioning requirements.

Submit copies of checklists.

D. Maintenance Data: Maintenance manuals specified in Division 1. 23 74 33

VRF AND SPLIT SYSTEMS
Dry Creek WWTP Operations and Lab Building
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E. Warranties: Special warranties specified in this Section.

1.06 QUALITY ASSURANCE
A. Fabricate and label refrigeration system to comply with ASHRAE 15, "Safety Code for Mechanical Refrigeration."
B. Energy Efficiency Ratio: Equal to or greater than prescribed by ASHRAE 90.1, "Energy Efficient Design of New Buildings except Low-Rise Residential Buildingsî and Title 24 California Codes.

C. Listing and Labeling: Provide electrically operated components specified in this Section that are listed and labeled.

1. The rooftop unit(s) shall be certified in accordance with UL Standard 1995 and ANSI Standard Z21.47

2. The rooftop unit(s) shall be safety certified by an accredited testing laboratory and the nameplate shall carry the label of the certification agency.

1.07 DELIVERY, STORAGE, AND HANDLING
A. Deliver rooftop units as factory-assembled units with protective crating and covering as recommended by the manufacturer.

B. Coordinate delivery of units in sufficient time to allow movement into building.

C. Handle rooftop units to comply with manufacturers written rigging and installation instructions for unloading and moving to final location.

1.08 COORDINATION
A. Coordinate installation of roof curbs, roof plenums, equipment supports, and roof penetrations with roof construction. Roof specialties are specified in Division 7 Sections.

1.09 WARRANTY
A. Heat Pump Unit, Roof-Mounted: Compressor shall have a five-year warranty.

B. Air Cooled Condensing Unit: Unit shall have 5-year limited compressor warranty.

1.10 EXTRA MATERIALS
A. Furnish extra materials described below that match products installed, are packaged with protective covering for storage, and are identified with labels describing contents.

1. Filters: One set of 4î filters for each unit to be installed prior to air balance.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Daikin (Basis of Design, VRF & Split Systems)
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VRF AND SPLIT SYSTEMS
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2.02 SPLIT SYSTEM AC UNIT
A. General: Furnish and install split system air conditioner, with R410A refrigerant, and complete with automatic controls. Equipment shall be shipped factory assembled, wired, tested, and ready for field connections.

B. Quality Assurance:

1. Unit shall be ETL or UL listed and labeled.

2. Unit shall be manufactured in a facility registered to ISO 9001:2000.

3. Unit shall be rated in accordance with ARI standard 210.

C. Delivery, Storage and Handling: Follow manufacturerís recommendations.

D. Cooling System: The total certified cooling capacity shall not be less than scheduled. The compressor power input shall not exceed that of the unit specified.

E. Indoor Section: Wall mounted, ceiling surface mounted, or ceiling recessed mounted, as indicated on Drawings.

1. Cabinet:
a. Wall mounted: Molded white high strength plastic.
1) Provide wall mounted unit with factory mounting plate. b. Ceiling surface mounted: Molded white high strength plastic with provision for outside air duct connection.
c. Ceiling recessed mounted: galvanized steel with provision for outside air duct connection.

2. Fans: Double inlet, forward curved, statically and dynamically balanced.

3. Fan Motor: Direct drive, permanently lubricated, with two or 4 speed operation for unit size scheduled on Drawings.

4. Air Outlet: With motorized horizontal and vertical vanes. a. Wall and ceiling surface mounted units: Horizontal vane shall close air outlet upon unit shut-down.

5. Evaporator Coil: Aluminum fins mechanically bonded to copper tubes. Coils shall be pressure leak tested.

6. Insulation: Interior surfaces exposed to the airstream shall be fully insulated.

F. Outdoor Section:

1. Casing: Galvanized steel plate, powder coated with acrylic or polyester.

2. Condenser Fan Grille: ABS plastic.

3. Fan and fan motor: Direct drive, totally enclosed, propeller type, permanently lubricated, horizontal discharge.

4. Compressor: Variable speed rotary type, with crankcase heater and accumulator. Compressor shall be capable of operating at 0 degrees F. Compressor mounted on vibration isolator pads.

5. Coil: Aluminum fins mechanically bonded to copper tubes. Coils shall be pressure leak tested.

Provide coil with integral metal guard.

G. Controls: Hard wired, microprocessor based, wall mounted controller with LCD display shall provide the following functions, as a minimum:

1. 7-day programmable timer.

2. Test and check functions.

3. Diagnostic functions.

4. Vane position control.

5. Fan speed adjustment.
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VRF AND SPLIT SYSTEMS
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6. Temperature adjustment.

7. Automatic restart.

8. Mode selection, including cool/dry/fan.
a. Provide lockable enclosure for wall mounted controller.

H. Safeties: Shall include the following, as a minimum:

1. Five minute compressor anti-recycle timer.

2. High pressure protection.

3. Current and temperature sensing motor overload protection.

I. Filters: Provide 1 inch thick fiberglass throwaway filters with cardboard holding frames for indoor unit. Provide sufficient filters for four complete changes for each unit.

J. Service Access: All components, wiring, and inspection areas shall be completely accessible through removable panels.

K. Refrigerant Piping:

1. Provide factory pre-charged and sealed line set piping, length to suit the location of equipment. Tubing sizes shall be in accordance with manufacturers written instructions.

2. Provide refrigeration piping in accordance with Article, Refrigerant Piping, in this Section.

L. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include the following, or equal:

1. Mitsubishi Electric Corporation.

2. Carrier Corporation.

M. Owner Training: Manufacturer shall provide one on-site 2-hour training session for Ownersí maintenance personnel.

2.03 VARIABLE REFRIGERANT FLOW - SPLIT SYSTEM HEAT PUMPS ñ HEAT RECOVERY TYPE A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include the following, or equal:

1. Daikin w/BAcnet integration to Pelican Controls
B. Indoor Units

1. General:
a. Galvanized steel casing.
b. Ducted, ceiling-recessed, or in-room units per Drawings schedule. Available styles shall include:
1) Concealed (ducted) units:
a) Horizontal/Vertical air handling unit for closet or above-ceiling installation.
b) Ceiling concealed.
c) Ceiling concealed, with high-static option.
2) Recessed Units:
a) Ceiling-recessed units: One-, two-, and four-way throw configurations. b) Floor-standing, recessed.
3) In-room units:
a) Ceiling-suspended.
b) Wall-mounted.
c) Floor-standing.
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c. Factory assembled and tested with factory wiring, piping, expansion valve, control circuit board, and fan motor. Units shall have, as a minimum, the following functions:
1) Self-diagnostic function.
2) Auto restart function.
3) Auto changeover function.
4) Emergency operation function.
5) 3-minute time delay shall provide minimum 3 minute run time for cooling and heating.
d. Indoor unit and refrigerant pipes shall be charged with dehydrated air prior to shipment from the factory.
e. The indoor units shall be equipped with a return air thermistor.

2. Unit Cabinet:
a. The cabinet shall be insulated with foamed polystyrene and polyethylene insulation.

3. Fan:
a. The fan shall be direct-drive type, statically and dynamically balanced impeller with multiple high and low fan speeds. Auto fan setting shall automatically adjust fan speed.
b. The fan motor shall be thermally protected.
c. The fan motor shall be equipped as standard with adjustable external static pressure (ESP) settings.
d. For single-phase fan motors sized larger than 1/12 hp and smaller than 1 hp, refer to Article, Electric Motors, in Section 23 00 50, Basic HVAC Materials and Methods. e. Ceiling recessed and wall-mounted units shall have motorized louvers to direct airflow in up and down directions, and manually adjusted vanes for side-to-side adjustment of airflow direction.
f. Ceiling suspended units shall have motorized guide vanes to vary airflow direction. g. All units shall be provided with a condensate drain pan below the coil. Drain pans shall have primary and overflow drains.
h. Ceiling recessed units shall have an integral condensate pump. Refer to Drawings schedule for additional condensate pump requirements.

4. Coil:
a. Coils shall be aluminum fins bonded to internally grooved copper tubes. Fins shall have corrosion-resistant coating.
b. The coils shall be pressure tested at the factory.
c. Unit shall be provided with ball-type refrigerant service valves at each refrigerant piping connection.
d. A condensate pan and drain connections shall be provided under the coil. Provide overflow cutoff switch to disable unit during overflow condition.

5. Filters:
a. Provide indoor units manufactured to accept washable filter media with two sets for each unit.
b. Refer to Drawings schedule, and article, Filters, in this Section for filter requirements for ducted, above-ceiling units incorporating mixing boxes.

6. Controls:
a. Units shall have controls provided by the manufacturer to perform input functions necessary to operate the system.
b. Operating modes shall include Auto Changeover (heat recovery systems only), Heating, Cooling, Dry, and Fan Only.
c. Units shall be compatible with a BMS system via optional LonWorks or BACnet gateways.
d. Units incorporating mixing boxes for economizer operation shall be furnished with economizer control system certified as meeting the requirements for Fault 23 74 33

VRF AND SPLIT SYSTEMS
Dry Creek WWTP Operations and Lab Building
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Detection and Diagnostics (FDD) in the California Building Energy and Efficiency Standards.

C. Outdoor Condensing Units:

1. General:
a. Condensing unit shall be factory assembled and pre-wired with all necessary electronic and refrigerant controls. The refrigeration circuit of the condensing unit shall consist of scroll compressors, motors, fans, condenser coil, electronic expansion valves, solenoid valves (when required by manufacturer), 4-way valve, distribution headers, capillaries, filters, shut off valves, oil separators, service ports and refrigerant accumulator and regulator.
b. The following safety devices shall be included as part of the condensing unit; high pressure sensor and switch, low pressure sensor, control circuit fuses, over- and under-current protection, phase failure and phase reversal protection, fusible plug or pressure relief valve, and crankcase heater..
c. All refrigerant lines shall be individually insulated between the condensing units and indoor units. .
d. The system will automatically restart operation after a power failure without loss of settings.
e. The condensing units shall be modular in design and allow for side-by-side installation with minimum spacing. Provide kit for field piping between connected condensing units. Refer to Drawings schedules and diagrams for connected units. f. To ensure the liquid refrigerant does not flash when supplying to indoor units, the circuit shall be provided with a sub-cooling feature.
g. Oil recovery cycle shall be automatic occurring 2 hours after start of operation, and thereafter every 8 hours of operation. Each system shall maintain continuous heating during oil return operation. Reverse cycle (cooling mode) oil return during heating operation shall not be permitted due to the potential reduction in space temperature. h. The condensing unit shall be capable of heating operation at 0°F dry bulb ambient temperature without additional low ambient controls or an auxiliary heat source. 1) Provide condensing unit with low ambient kit when scheduled on Drawings.

Low ambient kit components shall be furnished with NEMA 4x rated control box for outdoor installation.

2. Unit Cabinet:
a. The condensing unit cabinet shall be weatherproof and corrosion resistant. The unit shall be constructed from rust-proofed galvanized steel panels coated with a baked enamel or powder coat finish.

3. Fan:
a. The condensing unit shall consist of one or more direct-drive, vertical discharge propeller fans with blades constructed of thermoplastic polymer material. b. The condensing unit fan motor shall be variable-speed digitally commutating (DC) type.

Fan motor dipswitch shall allow increase of external static pressure setting. c. The fan motor shall have inherent protection and permanently lubricated bearings and be mounted on vibration isolators.
d. The fan motor shall be provided with a fan guard to prevent contact with moving parts.

4. Condenser Coil:
a. Coils shall be aluminum fins bonded to internally grooved copper tubes. Fins shall have corrosion-resistant coating.
b. The coils shall be pressure tested at the factory.
c. Unit shall be provided with ball-type refrigerant service valves at each refrigerant piping connection.
d. Condensing unit cabinet shall be provided with metal coil guard. 23 74 33

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5. Compressor:
a. The scroll compressors shall be variable speed pulse-width inverter (PVM inverter) controlled type, hermetically sealed, which shall vary the compressor speed to follow fluctuations in total cooling and heating load, determined by the suction gas pressure as measured in the condensing unit.
1) The inverter driven compressor motor in each condensing unit shall be the reluctance DC (digitally commutating) type.
b. Each compressor shall be equipped with a crankcase heater, high pressure safety switch, and internal thermal overload protector.
c. Oil separators shall be provided as part of the compressor module together with an intelligent oil management system.
d. The compressor shall be isolated to avoid the transmission of vibration. e. In the event of compressor failure the remaining compressors shall continue to operate and provide heating or cooling as required at a proportionally reduced capacity. f. Multiple compressor operation sequencing: When multiple condenser modules are combined, operation hours of each compressor shall be balanced by means of a duty cycling function, enabling sequential starting of each module at each start/stop cycle, completion of oil return, and completion of defrost, or every 8 hours. g. Refrigerant shall be R410a.

D. Indoor Heat Recovery Controllers: Two- or three-pipe refrigerant control units to match outdoor condensing unit configuration. Heat recovery units shall be installed between outdoor condensing units and indoor zone-conditioning units. Indoor heat recovery unit shall operate to remove heat from zones requiring cooling, and distribute that heat to zones requiring heating. Refer to Drawings for unit locations. Refer to Drawings schedules and details for unit configuration and electrical requirements.

E. All refrigerant lines shall be individually insulated between the condensing units and indoor units.

1. For interconnecting piping between outdoor and indoor equipment, refer to Article, Refrigeration Pipe and Fittings, in this Section.

F. System Controls:

1. General: The controls network shall be capable of supporting remote controllers, schedule timers, system controllers, centralized controllers, an integrated web based interface, graphical user workstation, and system integration to a Building Management Systems via BACnetÆ and/or LonWorksÆ.

2. For additional information, Refer to Section 23 09 23, Direct Digital Control System for HVAC.

3. Programmable Local Remote Controller: The programmable local remote controller shall be capable of controlling a minimum of 16 indoor units serving a single zone, and of operation with or without a central controller. Controller shall have the following minimum functions:
a. On/Off.
b. Operating mode (cool, heat, auto, dry, and fan, depending on selected system type). c. Temperature setting.
d. Fan speed setting.
e. Air swing settings.
f. Room temperature and humidity display.
g. Occupancy sensor capable.
h. Schedule operations.
i. Allow/Prohibit local remote control functions.
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j. Unit level error code display.
k. Test run.
l. Set temperature range limit.
m. Override of scheduled functions for indoor unit groups. n. Lock out of On/Off, Mode, Set Temp., Hold-button, and Air Direction.

4. Centralized Controller: The controller shall support system configuration, daily/weekly scheduling, monitoring of operation status, error email notification, online maintenance tool and malfunction monitoring. The controller shall have basic operation controls which can be applied to an individual indoor unit, a group of indoor units, or all indoor units. (cool, heat, auto, dry, and fan)The central controller shall be able to enable or disable operation of local remote controllers via a PC. Controller shall have the following minimum functions:
a. On/Off.
b. Operating mode (cool, heat, auto, dry, and fan, depending on selected system type). c. Temperature setting.
d. Fan speed setting.
e. Air swing settings.
f. Room temperature display.
g. Schedule operations.
h. Morning warm-up/cool-down.
i. Night setback setting.
j. Allow/Prohibit local remote control functions.
k. Unit level error code display.
l. External input/output.
m. PC data back-up.

5. BACnetÆ and/or LonWorksÆ Gateway: Gateway to allow connection to Energy Management Systems shall allow changes to the following, as a minimum:
a. On/Off.
b. Temperature setting.
c. Alarm.
d. Operating mode.
e. Fan speed setting.
f. Allow/Prohibit local remote control functions.
g. High/Low limit setback temperature (heat recovery systems only). h. Air direction/swing settings.

6. Web browser: The controls network shall allow multiple individual users to monitor and control user defined zones via a network PC web browser.

G. Owner Training: Manufacturer shall provide one on-site 8-hour training session for Ownersí maintenance personnel. 8-hour training shall include instruction in use of equipment manufacturerís service tool.

END OF SECTION
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PART 1 - GENERAL

1.01 SCOPE
A. Provide electrical systems as shown and specified, including wiring and connections to any electrical equipment provided and any work not specifically noted but that can be reasonably inferred or is necessary to provide a complete functional system.

B. Table of Contents, Division 26 ñ Electrical:

SECTION NO. SECTION TITLE
26 05 00 Common Work Results for Electrical
26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 26 Grounding and Bonding for Electrical Systems
26 05 29 Hangers and Supports for Electrical Systems
26 05 33.13 Raceway for Electrical Systems
26 05 33.16 Boxes for Electrical Systems
26 05 43 Underground Ducts for Electrical Systems
26 05 48 Vibration and Seismic Controls for Electrical Systems 26 05 53 Identification for Electrical Systems
26 05 73 Power System Studies
26 09 23 Lighting Control Devices
26 22 13 Low-Voltage Distribution Transformers
26 24 13 Switchboards
26 24 16 Panelboards
26 27 26 Wiring Devices
26 27 13 Electricity Metering
26 28 13 Fuses
26 28 16 Enclosed Switches and Circuit Breakers
26 31 00 Photovoltaic Power Systems
26 36 23 Automatic Transfer Switches
26 43 13 Surge Protective Devices (SPD)
26 51 00 Interior Lighting
26 56 00 Exterior Lighting
C. Work included: This section includes general administrative and procedural requirements for Division 26. The following administrative and procedural requirements are included in this section to supplement the requirements specified in Division 01 General Requirements.

1. Quality assurance.

2. Definition of terms.

3. Submittals.

4. Coordination.

5. Record documents.

6. Operation and maintenance manuals.

7. Project management and coordination service.

8. Contract modification pricing procedures.

9. Excavation.

10. Rough-in.

11. Electrical installation.

12. Cutting, patching, painting, and sealing.

13. Field quality control.

14. Cleaning.

15. Project closeout.
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16. Interface/Responsibility Matrix.

D. Related Work: Consult all other Sections, determine the extent and character of related Work, and properly coordinate Work specified herein with that specified elsewhere to produce a complete and operable installation.

1. General and supplementary conditions: Drawings and general provisions of Contract and Division 01 of the Specifications, apply to all Division 26 Sections.

2. Earthwork: Include trenching, backfilling, boring and soil compaction as required for the installation of underground conduit, in-grade pull boxes, vaults, lighting pole foundations, etc. Refer to Division 31, Earthwork.

3. Selective demolition: Nondestructive removal of materials and equipment for reuse or salvage as indicated. Also dismantling electrical materials and equipment made obsolete by these installations. Refer to Division 02, Selective Demolition.

4. Concrete work: Include forming, steel bar reinforcing, cast-in- place concrete, finishing and grouting as required for underground conduit encasement, light pole foundations, pull box slabs, vaults, housekeeping pads, etc. Also includes setting of floor boxes in existing concrete slabs, saw-cutting of existing slabs and grouting of conduits in saw-cut. Refer to Division 03, Concrete.

5. Miscellaneous metal work: Include fittings, brackets, backing, supports, rods, welding and pipe as required for support and bracing of raceways, luminaires, panelboards, distribution boards, switchboards, motor control centers, etc. Refer to Division 05, Miscellaneous Metals.

6. Miscellaneous lumber and framing work: Include wood grounds, nailers, blocking, fasteners and anchorage for support of electrical materials and equipment. Refer to Division 06, Rough Carpentry.

7. Moisture protection and smoke barrier penetrations: Include membrane clamps, sheet metal flashing, counter flashing, caulking and sealant as required for waterproofing of conduit penetrations and sealing penetrations in or through fire walls, floors, ceiling slabs and foundation walls. All penetrations through vapor barriers at slabs on grade shall be taped and made vapor tight. Refer to Division 07, Thermal and Moisture Protection.

8. Access panels and doors: Required in walls, ceilings, and floors to provide access to electrical devices and equipment. Refer to Division 08, Access Doors also, Division 05, Metals.

9. Painting: Include surface preparation, priming and finish coating as required for electrical cabinets, exposed conduit, pull and junction boxes, etc. where indicated as field painted in this Division. Refer to Division 09, Painting.

10. Luminaire supports: Provide slack support wire for luminaires installed in acoustical tile or lay-in suspended ceilings. Refer to Division 09, Acoustical Treatment.

E. Provide all necessary electrical connections to all equipment provided by other divisions. Obtain specific power and control wiring requirements and connection points from others to perform electrical work. Contractor shall assist in testing equipment but responsibility is limited to correctly wiring and terminating electrical connections. Work furnished and installed under another Division requiring connections under this Division includes but is not limited to:

1. Electric motors.

2. Package mechanical equipment: fans, fan coil units, pumps, boilers, compressors, etc.

3. Flow switches and valve monitors for sprinkler system.

4. Elevator controllers.

5. Pre-wired electrified partition furniture.

6. Temperature control panel(s). (Line voltage only).

7. Irrigation controller(s). (Line voltage only).

8. FM-200 control panel. (Line voltage only).

9. Kitchen equipment and appliances.
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10. Laboratory equipment.

11. Electric signage.

12. Electric door locks.

13. Electric heat trace tape.

14. Door hold-open/release devices.

15. Variable frequency drive units.

16. Chiller starters.

17. Motorized roll down/sliding doors and grills.

18. Motorized dock levelers.

19. Projection screens.

F. Items furnished under this Division, but installed and connected under another Division includes but is not limited to:

1. Diesel generator day tank. (Division 22)

2. Diesel generator silencer. (Division 23)

3. Generator daytank fuel strainer, manual fuel pump, check valve and any other specified accessories. (Division 22)

4. Remote radiator for generator. (Division 22)
G. Items furnished under another Division, but installed and connected under this Division includes but is not limited to:

1. Wall mounted control stations for motorized roll down and sliding doors.

2. Electric fire sprinkler water flow bells.

3. Speed control switches for ceiling exhaust fans

1.02 RELATED SECTIONS
A. Section 01 73 29 - Cutting and Patching
B. Section 01 33 00 - Shop Drawings, Product Data and Samples C. Section 01 77 00 ñ Closeout Procedures
D. Section 01 78 00 ñ Closeout Submittals
E. Section 03 30 00 ñ Cast in Place Concrete
F. Section 07 92 00 - Joint Sealants
G. Section 07 84 00 ñ Fire Stopping
H. Division 5 ñ Metals.

I. Division 6 ñ Rough Carpentry.

J. Division 8 ñ Access Doors.

K. Division 9 ñ Finishes.

L. Division 21 ñ Fire Suppression
M. Division 22 - Mechanical Plumbing
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N. Division 23 ñ Mechanical HVAC
O. Division 27 ñ Communications
P. Division 28 ñ Electronic Safety and Security
Q. Division 31 - Earthwork

1.03 QUALITY ASSURANCE
A. Reference to Codes, Standards, Specifications and recommendations of technical societies, trade organizations and governmental agencies shall mean that latest edition of such publications adopted and published prior to submittal of the bid. Such codes or standards shall be considered a part of this Specification as though fully repeated herein.

B. When codes, standards, regulations, etc. allow Work of lesser quality or extent than is specified under this Division, nothing in said codes shall be construed or inferred authority for reducing the quality, requirements, or extent of the Contract Documents. The Contract Documents address the minimum requirements for construction.

C. Work shall be performed in accordance with all applicable requirements of the latest edition of all governing codes, rules and regulations including but not limited to the following minimum standards, whether statutory or not:

1. California Electric Code (CEC).

2. California Building Code (CBC).

3. California Fire Code (CFC).

4. California Mechanical Code (CMC).

5. California Energy Code (CEC)

6. California Plumbing Code (CPC)

7. California Green Buildings Standards Code (CGBSC)
D. Standards: Equipment and materials specified under this Division shall conform to the following standards where applicable:

ACI American Concrete Institute
ANSI American National Standards Institute
ASTM American Society for Testing Materials
CBM Certified Ballast Manufacturers
ETL Electrical Testing Laboratories
FS Federal Specification
IEEE Institute of Electrical and Electronics Engineers, Inc.

IPCEA Insulated Power Cable Engineer Association
NEMA National Electrical Manufacturer's Association
UL Underwriters' Laboratories
E. Independent Testing Agency qualifications:

1. Testing Agency shall be an independent testing organization that will function as an unbiased authority, professionally independent of Manufacturer, Supplier and Contractor, furnishing and installing equipment or system evaluated by Testing Agency.

2. Testing Agency shall be regularly engaged in the testing of electrical equipment, devices, installations, and systems.

3. Testing Agency shall meet Federal Occupational Safety and Health Administration (OSHA) requirements for accreditation of independent testing laboratories, Title 9, Part 1907. 26 05 00

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4. On-site technical personnel shall be currently certified by the International Electrical Testing Association (NETA) in electrical power distribution system testing.

5. Testing Agency shall use technicians who are regularly employed by the firm for testing services.

6. Contractor shall submit proof of above Testing Agency qualifications with bid documentation upon request.

F. All base material shall be ASTM and/or ANSI standards.

G. All electrical apparatus furnished under this Section shall conform to NEMA standards and the CEC and bear the UL label where such label is applicable.

H. Certify that each welder performing Work has satisfactorily passed AWS qualification tests for welding processes involved and, if pertinent, has undergone re-certification.

1.04 DEFINITIONS
A. The following list of terms as used in the Division 26 documents shall be defined as follows:

1. "Provide": Shall mean furnish, install, and connect unless otherwise indicated.

2. "Furnish": Shall mean purchase and deliver to Project site.

3. "Install": Shall mean to physically install the items in-place.

4. "Connect": Shall mean make final electrical connections for a complete operating piece of equipment.

5. "As directed": Shall be as directed by the Owner or their authorized Representative.

6. "Utility Companies": Shall mean the company providing electrical, telephone or cable television services to the Project.

1.05 DRAWINGS AND SPECIFICATIONS
A. For purposes of clearness and legibility, drawings are essentially diagrammatic and, although size and location of equipment are drawn to scale wherever possible, the Contractor shall make use of all data in all the contract documents and shall verify this information at building site.

B. Information presented on Drawings and in the Specifications is based upon latest data available during their preparation. The Drawings and Specifications are for the assistance and guidance of the Contractor and exact locations, distances, levels, etc. will be governed by the structures and the site the contractor shall accept same with this understanding.

C. The drawings indicate required size and points of termination of conduits, and suggest proper routes to conform to structure, avoid obstructions and preserve clearances. However, it is not intended that drawings indicate all necessary offsets, and it shall be the work of the Contractor to make the installation in such a manner as to conform to structure, avoid obstruction, preserve headroom and keep openings and passageways clear.

1.06 DELIVERY, STORAGE, AND HANDLING
A. Contractor shall be responsible for delivery, storage, protection and placing of all equipment and materials.

B. Equipment stored and installed at the job site shall be protected from dust, water or other damage.

Cover all equipment stored exposed to weather.
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1.07 STRUCTURAL REQUIREMENTS
A. Structural members shall not be cut or modified in any manner without specific instructions from the structural engineer.

1.08 SEISMIC RESISTANCE
A. Provide systems, units, equipment, and parts to meet or exceed current applicable requirements for seismic resistance specified by codes, regulations, or agencies having jurisdiction. Include supports, anchors, braces, and other restraining devices required. Seismic restraints shall meet the local Seismic Zone requirements, SMACNA, and California Building Code (CBC), Chapter 16a, which are the responsibility of the Contractor.

B. See Section 26 05 29 Hangers and Supports.

1.09 RULES AND REGULATIONS
A. All work and materials shall be in full accordance with the latest rules and regulations of California Code of Regulations, Title 20 & Title 24 California Building Standards Code, California Electrical Code, Local City and County Code, applicable regulations of local utility companies, E.U.S.E.R.C.

Standards, and General Order 95 of the Public Utilities Commission, and any other applicable laws or regulations.

B. Nothing in these drawings or specifications is to be construed to permit work not conforming to the above codes.

1.10 PERMITS AND FEES
A. Obtain all permits and pay all required fees for permits and/or utility services. Inspections required during the course of construction shall be arranged as required. On completion of the work furnish the Ownerís representative with certificates of inspection.

B. Include in bid all costs for electrical service including meter, and service lines installed by a power utility company or a power utility company approved contractor.

1.11 SITE CONDITIONS
A. Assume all responsibility for damage to adjoining properties; and restore property to its original condition, should damage occur as a result of the work of this section. Contractor shall thoroughly familiarize himself with all site conditions. Should utilities not shown on the drawings be found during excavations, promptly notify the Ownerís Representative for instructions as to further action.

Failure to do so will make the Contractor liable for any and all damage thereto arising from his operations subsequent to discovery of such utilities not shown on plans.

1.12 SUBMITTALS
A. Submit in accordance with Section 01 33 00 Shop Drawings, Product Data and Samples.

1. Format: Furnish submittal data in electronic format for each Specification Section with a table of contents listing materials by Section and paragraph number and electronically bookmarked.

B. General
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1. A submittal schedule shall be issued by the Contractor within 15 days of award of the contract. This schedule shall allow for timely review and approval as required by the contract documents.

2. These requirements apply only to substitutions, submittals, and shop drawings.

3. The contractor shall review all submittals prior to submission to the Architect. Submittals not reviewed by the contractor will be returned to the contractor and will not be reviewed.

4. Any deviations from specified requirements shall be clearly indicated in submittals.

5. Any errors in or omissions from submittals and any consequences of these are the responsibility of the Contractor.

6. Partial or incomplete submittals may be rejected as not complying with requirements; the Contractor shall be liable for any resultant consequences.

7. Delayed submittals may be rejected as not complying with requirements. Whether accepted or rejected, delayed submittals will not be considered justification for extension of contract time or similar relief.

8. Submittals not required or permitted by the Specifications but made at the option of the Contractor, will be returned without review unless accompanied with written valid justification.

9. Submittal items improperly included with those of another category (such as a proposed substitution included with shop drawing submittal) are not valid and will be returned without review.

10. Within 35 calendar days after award of the contract, and before fabrications and installation of any material or ordering of any materials, submit for approval one copy in PDF format of complete submittal data on specified and proposed substituted equipment and materials.

Submittals shall list all materials proposed identified with drawing symbols and specific data on equipment such as arrangements, performance curves, sizes, capacity, motor locations, and other pertinent data. Check all submittals for conformance to the requirements of the Construction Documents before forwarding to the Ownerís Representative for each item.

No consideration will be given to substitutions submitted past 35 day limit. The contractor shall be responsible for all quantities and errors and omissions of submittals. Furnish samples when requested.

11. Equipment and materials specified as part of the specifications and drawings are listed by two manufacturers names. The first named manufacturer is the basis of design. The second named manufacturer has been determined to be an equivalent in quality or utility.

The second named has not been specifically determined to conform to the first named in size, layout, electrical power, voltage, or impacts to building structure. The contractor is bound by all requirements for substitutes, as described below, for all second named manufacturers and equivalent equipment or products.

12. Each reviewed submittal will be marked to indicate review and directions as stated below.

13. Acceptance of a submittal does not relieve the Contractor of responsibility for omissions from the submittal or errors in the submittal
C. The Contractor shall submit detailed Drawings of all electrical equipment rooms and closets if the proposed installation layout differs from the construction documents. Physical size of electrical equipment indicated on the Drawings shall match those of the electrical equipment that is being submitted for review, i.e.: switchboards, panelboards, transformers, control panels, etc. Minimum scale: 1/4" = 1'- 0". Revised electrical equipment layouts must be approved prior to release of order for equipment and prior to installation.

1.13 REVIEW
A. Submittals will be reviewed for general acceptability, not necessarily including all details. The engineers review is for general conformance with the design concept of the project and the information given in the contract documents. The contractor is solely responsible for confirming 26 05 00

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and correlating all quantities and dimensions; selecting fabrication processes and techniques of construction; coordinating the work with that of other trades and performing all work in a safe and satisfactory manner. Corrections of comments made on this submittal during this review do not relieve contractor from compliance with the requirements of the contract documents or with its responsibilities listed herein.

1. Proposed substitutes will be judged not only for the acceptability of the items themselves, but also how they will be used under the conditions of the particular project.

2. Proposed substitutions will be judged also for compliance with qualifications and conditions stipulated in paragraph 1.15.

B. Each reviewed submittal will be marked to indicate review and directions as stated below.

1. Acceptance of a substitute does not waive the specified requirements.

2. Once a substitution is accepted, no revision or resubmittal may be made except for pressing and valid reason and after receipts of approval to do so.

1.14 REVIEW DIRECTIONS
A. The notation "No Exceptions Taken" indicates that no further submittal on the particular matter is required and that the Contractor may proceed with normally ensuing action. The notation may be applied to submittals on substitutions, shop drawings, record data, or operation and maintenance data. The submittal has only been reviewed for general conformance with the design concept of the Contract Documents. The contractor is responsible for the dimensions to be confirmed and correlated at the job site; information that pertains solely to the fabrication process or to the means and methods of construction; coordination of the work of all trades; and performing all work in a safe and satisfactory manner. This notation does not modify the contractor's duty to comply with the contract documents.

B. The notation "Make Corrections Noted" indicates that no further submittal on the particular matter is required, but the Contractor shall make all changes or corrections noted (but no others) before proceeding with normally ensuing action. The notation may be applied to submittals on substitutions or shop drawings (but usually not record data or operation and maintenance data).

C. The notation "Amend and Resubmit" indicates that the submittal is not accepted and must be revised, resubmitted, and reviewed again. In the case of submittal on substitutions and shop drawings so noted, the Contractor shall not proceed with any normally ensuing action until the resubmittal is reviewed. The notation may be applied to submittals on substitutions, shop drawings, record data, or operation and maintenance data.

D. The notation "Rejected - See Remarks" indicates that the submittal is not accepted and that resubmittal on the same subject matter is not allowed and will not be considered. The notation will be applied normally only to submittals on substitutions (usually not on shop drawings, record data, or operation and maintenance data).

E. The notation "Returned Without Review" indicates that the submittal or item has not been considered officially because it is either not proper, valid, required, or permitted by the Specifications and has no status or effect.

1.15 SHOP DRAWINGS
A. The contractor is responsible for providing all shop drawings as described below so that the design professional has the opportunity to determine if the contractor understands the contract documents. It is not the purpose of shop drawings to assure that the contractor is meeting the 26 05 00

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requirements of the contract documents. Review and approval of a submittal neither extends nor alters any contractual obligation.

B. Accompany all substituted equipment with shop drawings showing revised equipment and/or equipment layouts in order to ascertain that substituted equipment does not adversely affect layout or work of others. Shop Drawings: The following conditions apply to shop drawings:

1. Shop drawings are not and do not become Contract Documents.

2. Processed shop drawing submittals and any instructions or requirements noted thereon are a part of the work, but they may not be used as a means of increasing the scope of the work.

3. If deviations, discrepancies, or conflicts between shop drawing submittals and the Contract Documents are discovered either prior to or after the submittals are processed, the Contract Document requirements shall govern.

1.16 SUBSTITUTIONS
A. Whenever any equipment, material, or process is indicated or specified by patent of proprietary name and/or name of Manufacturer, in the Specifications and/or on the Drawings, it is understood that such specification is used to facilitate the description of the material and/or process and deemed to be followed by the words "or equal" unless noted "no substitute".

B. Substitute equipment and materials shall be equal in all respects including quality, arrangement, utility, physical size, capacity, and performance to those specified. Approval of substitute material will not relieve the contractor from complying with the requirement of the Drawings and Specifications. The contractor shall be responsible and at his own expense, for any changes caused by proposed substitutions which affect other parts of his own work or the work of other contractors.

C. The submittal of a proposed substitution shall clearly establish the following:

1. The item can be transported into and installed in the intended space and in the manner shown.

2. Required connections (electrical and other) can be properly made and adjoining work can be properly accomplished.

3. The proposed substitute is similar to and of substance equal to that specified, is suited to the same use as that specified, and will perform the functions required by the design.

4. The proposed substitute equipment will have the same minimum ratings and dimensions that accommodate the available space as the specified equipment.

5. All performance requirements shall be at least equal to the specified product or equipment including short circuit current rating, selective coordination, noise levels, temperature ratings, bracing and insulation ratings, etc.

D. By submitting a proposed substitution, the Contractor agrees to the following:

1. He will assume full responsibility for any and all modifications and necessary alterations arising from the use of the substitute item or material including all cost incurred by all other trades.

2. He will assume full responsibility for any delay in the construction schedule resulting from the use of the substitution.

3. He will prove harmless and indemnify the Owner and the Owner's design consultants from real or alleged damages that may result from the installation, use, or performance of a substitute material or product.

E. The following conditions apply to substitutions:
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1. Submittals of substitutions are not and do not become part of the Contract Documents.

2. Contractor shall not order, fabricate, use, or install any substitute product or procedure unless he has received acceptance of the substitute from the Ownerís Representative.

3. Should the Contractor install any substitute product in violation of the above he shall remove it and install the specified product at his own expense.

4. The Contractor shall provide a letter stating that all the above items shall apply to all substituted products and equipment.

5. Any submittal for substituted equipment or product that does not clearly show that the substituted item is equal shall be marked rejected and no further submittal shall be allowed on the substituted item. Provide in submittal format documentation that the proposed item is exactly as specified in the contract documents.

1.17 INSTALLATION
A. Manufacturer's Instructions:

1. When specifications require that installation comply with manufacturer's printed instructions, obtain and distribute copies of such instructions to parties involved in the installation.

2. Perform work in accordance with manufacturer's instructions. Do not omit any preparatory step or installation procedure unless specifically modified or exempted by specifications.

3. Handle, install, connect, clean, condition and adjust products in strict accordance with such instructions and in conformity with specified requirements.

4. Should job conditions or specified requirements conflict with manufacturer's instructions, consult with the Ownerís Representative for further instructions.

5. Do not proceed with work without clear understanding.

1.18 COORDINATION
A. Discrepancies:

1. In the event of discrepancies within the Contract Documents, the Engineer shall be so notified, within sufficient time, as delineated in Division 01, prior to the Bid Opening to allow the issuance of an Addendum.

2. If, in the event that time does not permit notification or clarification of discrepancies prior to the Bid Opening, the following shall apply: The Drawings govern in matters of quantity and the Specifications govern in matters of quality. In the event of conflict within the Drawings involving quantities or within the Specifications involving quantities or within the Specifications involving quality, the greater quantity and higher quality shall apply. Such discrepancies shall be noted and clarified in the Contractor's Bid. No additional allowances will be made because of errors, ambiguities or omissions that reasonably should have been discovered during the preparation of the Bid.

B. Project conditions:

1. Examination of Project site: The Contractor shall visit the Project site and thoroughly review the locale, working conditions, conflicting utilities, and the conditions in which the Electrical Work will take place. Verify all existing conditions in the field. No allowances will be made subsequently for any costs that may be incurred because of any error or omission due to failure to examine the Project site and to notify the Engineer of any discrepancies between Contract Documents and actual Project site conditions.

2. Protection: Keep conduits, junction boxes, outlet boxes and other openings closed to prevent entry of foreign matter. Cover fixtures, equipment, devices, and apparatus and protect them against dirt, paint, water, chemical or mechanical damage, before and during construction period. Prior to final acceptance, restore to original condition any 26 05 00

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fixture, apparatus or equipment damaged including restoration of damaged factory applied painted finishes. Protect bright finished surfaces and similar items until in service. No rust or damage will be permitted.

3. Supervision: Contractor shall personally or through an authorized and competent representative constantly supervise the Work from beginning to completion and, within reason, keep the same foreman and workmen on the Project throughout the Project duration.

C. Preparation:

1. Drawings:
a. Layout: General layout indicated on the Drawings shall be followed except where other Work may conflict with the Drawings.
b. Accuracy: Drawings for the Work under this Section are essentially diagrammatic within the constraints of the symbology applied.

D. Utility company contacts:

1. Contact for electrical service: Anthony Dias.

E. Coordinate arrangement, mounting, and support of electrical equipment:

1. To allow maximum possible headroom unless specific mounting heights that reduce headroom are indicated.

2. To provide for ease of disconnecting the equipment with minimum interference to other systems.

3. To allow right of way for piping and conduit positioned at required slope.

4. So connecting raceways, cables, wireways, cable trays, and busways will be clear of obstructions and of the working and access space of other equipment.

F. Coordinate placement of required supporting devices and set sleeves in cast-in-place concrete, masonry walls, and other structural components as they are constructed.

1.19 WORKMANSHIP
A. Good workmanship shall be evidenced in the placement of all electrical materials and equipment.

Equipment shall be level, plumb and true with the structure and other equipment. All materials shall be firmly secured in place and adequately supported and permanent. The requirements of the codes are minimum standards. The recommendations of the National Electrical Contractors Association Standards shall be followed except where otherwise specifically directed.

1.20 CLEANING
A. After all other work such as plastering, painting, etc., has been accomplished, lighting, panelboards, switchboards, and all other electrical equipment shall be cleaned of all dirt, grease, plaster, paint or other marks.

1.21 MISCELLANEOUS EQUIPMENT
A. Contractor shall provide conduit, conductors, disconnects, and connections for power and controls for equipment requiring electrical services. This includes materials required for temporary services and testing.
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Dry Creek WWTP Operations and Lab Building
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1.22 GUARANTEE
A. Guarantee all work for two years from date of acceptance, against all defects in material, equipment and workmanship including repair of damage to any part of the premises resulting from leaks or other defects in material, equipment and workmanship. Guarantee shall be on form supplied by the Owner's representative.

1.23 RECORD DRAWINGS
A. Changes including the result of RFIís or field directives shall be included in a record set provided by the Contractor in an electronic format compatible with system used to produce the original contract drawing set. Provide a copy of the marked-up field set along with the electronic file. It will not be acceptable to cut and paste the drawing changes to this set.

B. Provide Project Record Drawings as described herein:

1. Drawings shall fully represent installed conditions including actual locations of outlets, true panelboard connections following phase balancing routines, correct conduit, and wire sizing as well as routing, revised luminaire schedule listing Manufacturers and products installed and revised panel schedules. Contractor shall record all changes in the Work during the course of construction on blue or black line prints. These prints shall be made subject of monthly review by the Owner's Representative to ascertain that they are current. If not current, monthly payments may be withheld.

2. Record Drawings shall be the transfer of information on these prints to the construction documents via computer aided drafting (CAD)building information modeling (Revit) process.

A set of Revit files of the electrical construction documents will be provided to the Contractor by the Engineer. For the BIM/clash detection process, a Revit file of the electrical construction documents will be provided to the Contractor by the Engineer, which will represent a LOD of 300 design level. The Contractor is responsible for updating the model with changes as well as taking the model to a LOD of 500 design level.

3. Record drawing submissions shall be provided to the Engineer to review upon the completion of the following phases of Work:
a. All underground installation.
b. Building electrical rough-in.
c. Final electrical installation.

4. Include in the record drawing submission the following shop drawing submission with all updated installation information:
a. Manufactured wiring system.
b. Fire alarm system.
c. Security system.
d. Telecommunication cabling system
e. Nurse call system.
f. Intercom system.
g. Television distribution system.
h. School communication system.
i. Public address system.
j. Sound reinforcement system.

5. A single set of half size prints of the Record Drawings shall be submitted for review. Upon receipt of the Engineer's review comments, corrections shall be made, and the Contractor shall provide the following:
a. Two sets of full-size prints.
b. Four sets of half-size prints.
c. One set of full size reproducibles.
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COMMON WORK RESULTS FOR ELECTRICAL
Dry Creek WWTP Operations and Lab Building
210015.01