Roseville City Council
April 16, 2025

d. Electronic files of Drawings in PDF and CADRevit.

C. Panel schedules:

1. Typewritten panel schedules shall be provided for panelboards indicating the loads served and the correct branch circuit number. Schedules shall be prepared on forms provided by the Manufacturer and inserted in the pocket of the inner door of each panelboard. See Section 262416: Panelboards for requirements.

2. A single set of the record panel schedules 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. Fold and insert one copy of the appropriate schedule in the pocket of the inner door of each panelboard.
b. Three binders, each containing a full set of the panel schedules. Provide index listing all schedules and dividers for separation of schedules as follows:
1) 277/480V normal.
2) 277/480V emergency.
3) 277/480V legally required standby.
4) 277/480V optional standby.
5) 277/480V critical.
6) 277/480V life safety.
7) 277/480V equipment.
8) 277/480V generator equipment.
9) 120/208V normal.
10) 120/208V emergency.
11) 120/208V legally required standby.
12) 120/208V optional standby.
13) 120/208V critical.
14) 120/208V life safety.
15) 120/208V equipment.
16) 120/208V generator equipment.

D. Field labels, markings, and warning signs: Provide in accordance and as required by:

1. General: CEC Article 110.21.

2. High-Leg System: CEC Article 110.15.

3. Arc-Flash Warning: CEC Article 110.16.

4. Identification of Disconnecting Means: CEC Article 110.22 (A).

5. Engineered Series Combination Systems: CEC Article 110.22 (B).

6. Tested Series Combination Systems: CEC Article 110.22 (C).

7. Available Fault Current: CEC Article 110.24.

8. Depth of Working Space in Existing Buildings: CEC Article 110.26 (A)(1)(c).

9. Guarding of Live Parts: CEC Article 110.27 (C).

10. Locked Rooms or Enclosures: CEC Article 110.34 (C).

11. Manholes: CEC Article 110.75 (E).

1.24 OPERATION AND MAINTENANCE MANUALS
A. Prior to Project closeout furnish to the Owner, six (6) hard back 3-ring binders containing all bulletins, operation and maintenance instructions, part lists, service telephone numbers and other pertinent information as noted in each Section all equipment furnished under Division 26. Binders shall be indexed into Division Sections and labeled for easy reference. Bulletins containing more information than the equipment concerned shall be properly stripped and assembled. 26 05 00

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1.25 PROJECT MANAGEMENT AND COORDINATION SERVICES
A. Overview: Contractor shall provide a Project Manager/Engineer for the duration of the Project to coordinate the Division 26 Work with all other trades. Coordination services, procedures and documentation responsibility shall include, but shall not be limited to the items listed in this Section.

B. Review of Shop Drawings prepared by other Subcontractors:

1. Obtain copies of all Shop Drawings for equipment provided by others that require electrical service connections or interface with Division 26 Work.

2. Perform a thorough review of the Shop Drawings to confirm compliance with the service requirements contained in the Division 26 Contract Documents. Document any discrepancy or deviation as follows:
a. Prepare memo summarizing the discrepancy.
b. Provide a copy of the specific shop drawing, indicating via cloud, the discrepancy.

3. Prepare and maintain a shop drawing review log indicating the following information:
a. Shop drawing number and brief description of the system/material. b. Date of your review.
c. Indication if follow-up coordination is required.

C. Request for information (RFI):

1. Thoroughly review the Contract Documents prior to the preparation and submission of an RFI. If an RFI is submitted, attach 8 1/2" x 11" copies of all relevant documents to clarify the issue.

2. Prepare and maintain an RFI log indicating the following information:
a. RFI number and brief summary of the issue.
b. Date of issuance and receipt of response.

D. Clarification confirmation memo (CCM):

1. Either the Contractor will prepare CCM memos or the Engineer to confirm a decision clarifying the Contract Documents that does not impact cost or affect other trades.

2. Prepare and maintain a CCM log indicating the following information:
a. CCM number: Use CCM-C1, C2, etc. for memos issued by the Contractor and CCME1, E2, etc. for memos issued by the Engineer. b. Brief summary of issue and date issued.

1.26 CONTRACT PRICING MODIFICATION PROCEDURES
A. Submission guidelines: This Section covers the criteria for direct costs, mark-ups, and documentation requirements to be followed by the Contractor for any pricing modification to the Base Contract, where unit pricing has not already been established.

1. Change orders: Pricing for additions or deletions to the Base Contract Scope of Work upon acceptance of bid value and receipt of authorization to proceed.

2. Allowances: Cost allowances may be assigned for specific Scope of Work outlined within the Base Contract where design has not been fully delineated on the Contract Documents.

When detailed information is available, the Contractor shall prepare and submit a price quotation for the Work. This price quotation will be compared to the allowance value and any adjustments necessary to the Base Contract value shall be made via change order.

B. Direct costs:

1. Labor:
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a. Hourly labor rates shall not exceed the prevailing wage for the County where the Work is being performed. The costs for all supervision, including general superintendents and foremen, shall be included in the mark-up defined herein. Working foremen will be considered a direct cost only if the individual is on the Project site physically installing Work under the change order.
b. Labor burden shall be based on rates currently in effect at the time the Work under the change order is being performed and shall include only fringe benefits by governing trade organizations, Federal Insurance Contribution Act, Federal and State Unemployment taxes, payroll taxes and net actual premium paid for public liability, workersí compensation, property damage and other forms of insurance required by the Owner. No other cost will be included as labor burden.
c. NECA Manual of Labor Units will be utilized as the basis for determining labor productivity rates for Electrical Work as follows:
1) 85% of NECA column 1 (normal) for change in scope issued well in advance of Work needing to be performed, so as not to cause slow-down or Work stoppage. 2) 100% of NECA column 1 (normal) for Work being performed with other Base Contract Work, not out of sequence and with minimal slow-down or Work stoppage. 3) 100% of NECA column 2 (difficult) for Work performed out of sequence, requiring Work stoppage and reconstruction in areas already complete. This Work may involve the removal of ceiling tiles or the cutting and patching of walls. d. No labor costs shall be included for the following items since the labor is already covered by the NECA labor units for conduit and construction channel:
1) Conduit straps and clips.
2) Construction channel accessories (nuts, washers, etc.). 3) Screws.
4) Conduit elbows æî and smaller.

2. Material:
a. The cost of material shall be the direct cost, including sales tax and may include the cost of transportation from the Supplier to the Contractor, but charges for final delivery to the Project site will not be allowed.
b. Electrical commodities priced based on most current Trade Service Book with a 15% discount. Non-commodities priced per invoice from Supplier.

3. Equipment rental:
a. Payment for equipment costs will be made at the rental rates listed for such equipment as specified in the current edition, at the time of the Work, of ìLabor Surcharge and Equipment Rental Rates,î a Caltrans Publication. Such rental rates shall be adjusted as appropriate and will be used to compute payments for equipment; regardless of the whether the equipment is under Contractorís control through direct ownership, leasing, renting or other method of acquisition. Daily, weekly, or monthly rates shall be used, whichever is lower. Hourly rates including operator shall not be used. b. The actual time to be paid for equipment shall be the time the equipment is in productive operation on the Work. No payment will be made time while equipment is inoperative due to breakdown or for non-working days.
c. Individual pieces of equipment having a replacement value of $1,000 or less shall be considered small tools or small equipment and no payment will be made since the costs of these tools and equipment are included as part of the Contractorís mark-up for overhead and profit.
d. Payment to Contractor for use of equipment as set forth herein shall constitute full compensation to Contractor for the cost of fuel, power, oil, lubricants, supplies, small equipment, necessary attachments, repairs and maintenance of any kind, 26 05 00

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depreciation, storage, insurance, labor (except for equipment operators) and any and all costs to Contractor for incidental use of the equipment.

4. Performance bond: Only the actual cost of insurance and bond premiums, with no mark-up for overhead and profit, will be allowed.

C. Mark-up for overhead and profit on direct costs:

1. Costs to be included as part of mark-up:
a. Field and home office personnel including, but not limited to, Principals, Project Managers, Superintendents, Supervisory Foremen, Estimators, Project Engineers, Detailers, Draftspersons, Schedulers and Administrative Assistants. b. All field and home office expenses including, but not limited to, field trailers, parking, storage sheds, office equipment and supplies, telephone service at the Project site, long-distance telephone calls, fax machines, computers and software, temporary utilities, sanitary facilities, etc.
c. Administrative functions including, but not limited to, reviewing, coordinating, distributing, processing, posting, recording, estimating, negotiating, scheduling, schedule updating and revising, expediting, detailing, revising Shop Drawings and preparing Record Drawings.
d. Vehicles required for the transportation of Contractorís staff and field personnel.

2. Maximum mark-up values:
a. For Work performed by the Contractor, the overhead mark-up shall equal a maximum of 10 percent of the direct costs, as defined herein.
b. Mark-up for profit shall equal a maximum of 5 percent of combined direct and overhead costs.
c. For Work performed by a Subcontractor shall equal a maximum of 5 percent mark-up for profit. Subcontractor shall follow the same guidelines above for their mark-up allowance. No consideration shall be given for more mark-ups then this two-tier arrangement whereas the mark-up could excess 20%.
d. For Work scope changes that result in a net decrease in cost to the Contractor or a Subcontractor, the Owner shall receive a credit based on the actual net decrease in direct cost figured in the same manner as an add cost. It is understood that the markup value applied at bid time will not be credited back. Although, if this is a change to a previous change order, then mark-up values shall be included in credit back to Owner. e. There will be no mark-ups on the cost of performance bond.

D. Documentation:

1. Project change order request submission:
a. Provide copies of all take-off sheets showing material and labor charges in line item format.
b. Provide recap sheet showing all direct costs and mark-ups. c. Provide copies of invoices for Subcontracted Work.

2. Allowance account tracking:
a. Contractor shall prepare and maintain a spreadsheet for each allowance account to track and monitor the requested and approved charges.
b. Copies of these spreadsheets, along with the summary spreadsheets, shall be submitted to the Ownerís Representative twice a month.

PART 2 - PRODUCTS

2.01 SHOP DRAWINGS:

A. 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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B. Make each drawing sheet in a reproducible form, CAD, Revit or PDF.

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

D. Content:

1. Shop drawings may be:
c. Drawings or diagrams prepared by the Contractor, a supplier, a manufacturer, or other.
d. Typewritten data or descriptions.
e. Manufacturerís printed brochures, descriptions, charts, instructions, or data sheets.

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

2.02 MATERIALS
A. Unless otherwise noted, all material and equipment shall be new, of the type, capacity and quality specified and free from defects. Material shall bear the label of, or be listed by, the Underwriters' Laboratories or Nationally Recognized Testing Laboratory (NRTL).

B. Materials shall be of the same brand or manufacture throughout for each class of material or equipment wherever possible.

C. Equipment shall be the product of a manufacturer who has, for a period of not less than five (5) years, been in successful manufacture of the equipment and who has a nationally distributed catalog covering ratings and specifications of said equipment.

2.03 SLEEVES FOR RACEWAYS AND CABLES
A. Steel Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, galvanized steel, plain ends.

B. Sleeves for Rectangular Openings: Galvanized sheet steel.

1. Minimum Metal Thickness:
a. For sleeve cross-section rectangle perimeter less than 50 inches and no side more than 16 inches, thickness shall be 0.052 inch.
b. For sleeve cross-section rectangle perimeter equal to, or more than, 50 inches and 1 or more sides equal to, or more than, 16 inches, thickness shall be 0.138 inch.

2.04 SLEEVE SEALS
A. Description: Modular sealing device, designed for field assembly, to fill annular space between sleeve and raceway or cable.

1. Manufacturers:
a. Calpico, Inc.
b. Advance Products & Systems, Inc.
c. Pipeline Seal and Insulator, Inc.
d. Or, Equal.

2. Sealing Elements: EPDM or NBR interlocking links shaped to fit surface of cable or conduit.

Include type and number required for material and size of raceway or cable.

3. Pressure Plates: Stainless steel. Include two for each sealing element. 26 05 00

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4. Connecting Bolts and Nuts: Stainless steel of length required to secure pressure plates to sealing elements. Include one for each sealing element.

2.05 GROUT
A. Nonmetallic, Shrinkage-Resistant Grout: ASTM C 1107, factory-packaged, nonmetallic aggregate grout, noncorrosive, non-staining, mixed with water to consistency suitable for application and a 30-minute working time.

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

1.) Architectural grade, one-piece frame, 16 gauge frame & door panel on concealed spring hinges, grey powder coated steel, Elmdor/Stonman or equal. 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 fire alarm devices, devices requiring access for adjustment, battery packs, 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 COMMON REQUIREMENTS FOR ELECTRICAL
A. All work shall be installed in a neat, workmanlike manner in accordance with ANSI/NECA 1-2015.

B. Comply with the requirements of all listed codes and standards.

C. Where any device or part of equipment is referred to in these specifications in the singular number (e.g., "the switch"), this reference shall be deemed to apply to as many such devices as are required to complete the installation as shown on the drawings.

D. During construction the contractor shall at all times maintain electrical utilities of the building without interruption. Should it be necessary to interrupt any electrical service or utility, the contractor shall secure permission in writing from the ownerís representative for such Interruption at least ten (10) business days in advance. Any interruption shall be made with minimum amount of inconvenience and any shut-down time shall have to be on a premium time basis and such time to be included in the contractor's bid. Arrange to provide and pay for temporary power source as required by project conditions.
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E. The locations of switches, receptacles, lights, motors, etc. outlets shown are approximate. The contractor shall use good judgment in placing the preceding items to eliminate all interference with ducts, piping, etc. The contractor shall check all door swings so that light switches are not located behind doors. Relocate switches as required, with approval from the Design Professional. The ownerís representative may direct relocation of outlets before installation, up to five (5) feet from the position indicated on the Drawings, without additional cost.

F. Equipment: Install to facilitate service, maintenance, and repair or replacement of components of both electrical equipment and other nearby installations. Connect in such a way as to facilitate future disconnecting with minimum interference with other items in the vicinity. Normal maintenance shall not require the removal of protective guards from adjacent equipment. Install equipment as close as practical to the locations shown on the Drawings.

1. Where the ownerís representative determines that the Contractor has installed equipment not conveniently accessible for operations and maintenance, the equipment shall be removed and reinstalled as directed at no additional cost to the owner.

2. ìConveniently Accessibleî is defined as being capable of being reached without climbing or crawling over or under obstacles such as motors, pumps, belt guards, transformers, racks, piping, ductwork, raceways or similar.

G. Owner furnished equipment: Equipment furnished by the District shall be received, stored, uncrated, protected, and installed by the Contractor with all appurtenances required to place the equipment in operation, ready for use. The Contractor shall be responsible for the equipment as if he had purchased the equipment himself and shall hold the warranty H. Measure indicated mounting heights to bottom of unit for suspended items and to center of unit for wall-mounting items.

I. Headroom Maintenance: If mounting heights or other location criteria are not indicated, locate components and equipment to provide maximum possible headroom consistent with these requirements.

1. Adequate working space shall be provided around electrical equipment in strict compliance with the Electrical Safety Orders, California Electrical Code and/or the serving utility whichever is more stringent. In general, provide six and one-half feet of headroom and thirty-six inches minimum clear work space in front of panelboards and controls for 120/208 volt equipment, and forty two inches for 277/480 volt equipment. a. Note that most power utilities now require a minimum of 48-inches of clear working space in front of low voltage, 1,000 volts and less, service entrance equipment.

J. Equipment: Placement shall facilitate service, maintenance, and repair or replacement of components of both electrical equipment and other nearby infrastructure. Connect in such a way as to facilitate future disconnecting with minimum interference with other items in the vicinity.

K. Right of Way: Give to piping systems with slope requirements.

3.02 ROUGH-IN
A. Contractor shall verify lines, levels and dimensions indicated on the Drawings and shall be responsible for the accuracy of the setting out of Work and for its strict conformance with existing conditions at the Project site.

B. Verify final locations for rough ins with field measurements and with the requirements for the actual equipment to be connected.
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C. Refer to equipment specification in Divisions 22 through 33 for rough-in requirements.

3.03 ELECTRICAL INSTALLATION
A. Preparation, sequencing, handling, and installation shall be in accordance with Manufacturer's written instructions and technical data particular to the product specified and/or accepted equal except as otherwise specified. Comply with the following requirements:

1. Shop Drawings prepared by Manufacturer.

2. Verify all dimensions by field measurements.

3. Arrange for chases, slots, and openings in other building components during progress of construction, to allow for electrical installations.

4. Coordinate the installation of required supporting devices and sleeves to be set in pouredin-place concrete and other structural components, as they are constructed.

5. Sequence, coordinate and integrate installations of electrical materials and equipment for efficient flow of the Work. Give attention to large equipment requiring positioning prior to closing in the building.

6. Where mounting height is not detailed or dimensioned, contact the Architect for direction prior to proceeding with rough-in.

7. Coordinate connection of electrical systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies and controlling agencies. Provide required connection for each service.

8. Install systems, materials, and equipment to conform with approved submittal data, including coordination Drawings, to greatest extent possible. Conform to arrangements indicated by the Contract Documents, recognizing that portions of the Work are indicated only in diagrammatic form. Where coordination requirements conflict with individual system requirements, refer conflict to the Architect.

9. Install systems, materials, and equipment level and plumb, parallel, and perpendicular to other building systems and components, where installed exposed in finished spaces.

10. Install electrical equipment to facilitate servicing, maintenance and repair or replacement of equipment components. As much as practical, connect equipment for ease of disconnecting, with minimum of interference with other installations.

11. Coordinate electrical systems, equipment, and materials installations with other building components.

12. Provide access panel or doors where devices or equipment are concealed behind finished surfaces. Furnish and install access doors per the requirements of Division 08.

13. Install systems, materials and equipment giving right-of-way priority to other systems that are required to maintain a specified slope.

14. Conform to the National Electrical Contractors Association "Standard of Installation" for general installation practice.

3.04 CUTTING, PATCHING, PAINTING AND SEALING
A. Structural members shall in no case be drilled, bored, or notched in such a manner that will impair their structural value. Cutting of holes, if required, shall be done with core drill and only with the approval of the Architect and Structural Engineer.

B. Protection of Installed Work: During cutting and patching operations, protect adjacent installations.

C. Cut, remove, and legally dispose of selected electrical equipment, components and materials as indicated, including but not limited to removal of electrical items indicated to be removed and items made obsolete by the new work.
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D. Protect the structure, furnishings, finishes and adjacent materials not indicated or scheduled to be removed.

E. Provide and maintain temporary partitions or dust barriers adequate to prevent the spread of dust and dirt to adjacent areas.

F. Patch existing surfaces and building components using experienced installers and new materials matching existing materials and the original installation. For installers' qualifications refer to the materials and methods required for the surface and building components being patched.

G. Application of joint sealers:

1. General: Comply with joint sealer Manufacturers' printed application instructions applicable to products and applications indicated, except where more stringent requirements apply.

2. Installation of fire-stopping sealant: Install sealant, including forming, packing and other accessory materials, to fill openings around electrical services penetrating floors and walls, to provide fire-stops and fire-resistance ratings indicated for floor or wall assembly in which penetration occurs. Comply with installation requirements established by testing and inspecting agency.

3.05 SLEEVES FOR ELECTRICAL PENETRATIONS
A. Electrical penetrations occur when raceways, cables, wireways, penetrate concrete slabs, concrete or masonry walls, or fire-rated floor and wall assemblies.

B. Concrete Slabs and Walls: Provide sleeves for penetrations unless core-drilled holes or formed openings are used. Provide sleeves during erection of slabs and walls.

C. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening.

D. Fire-Rated Assemblies: Provide sleeves for penetrations of fire-rated floor and wall assemblies unless openings compatible with Firestop system used are fabricated during construction of floor or wall.

E. Cut sleeves to length for mounting flush with both surfaces of walls.

F. Extend sleeves penetrating floors 2 inches above finished floor level.

G. Size pipe sleeves to provide 1/4-inch annular clear space between sleeve and raceway or cable, unless indicated otherwise.

H. Seal space outside of sleeves with grout for penetrations of concrete and masonry

1. Promptly pack grout solidly between sleeve and wall so no voids remain. Tool exposed surfaces smooth; protect grout while curing.

I. Interior Penetrations of Non-Fire-Rated Walls and Floors: Seal annular space between sleeve and raceway or cable, using joint sealant appropriate for size, depth, and location of joint. Comply with requirements in Section 070690 "Joint Sealants.".

J. Fire-Rated-Assembly Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at raceway and cable penetrations. Provide sleeves and seal raceway and cable 26 05 00

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penetration sleeves with firestop materials. Comply with requirements in Section 07 84 00 ñ Fire Stopping."
K. Roof-Penetration Sleeves: Seal penetration of individual raceways and cables with flexible boottype flashing units applied in coordination with roofing work.

L. Above ground, Exterior-Wall Penetrations: Seal penetrations using steel pipe sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve and provide mechanical sleeve seals.

M. Underground, Exterior-Wall Penetrations: Provide cast-iron pipe sleeves. Size sleeves to allow for 1-inch annular clear space between raceway or cable and sleeve and provide mechanical sleeve seals.

3.06 FIRESTOPPING
A. Apply firestopping to penetrations of fire-rated floor and wall assemblies for electrical infrastructure to restore or maintain fire-resistance rating of assembly. Firestopping materials and execution requirements are specified in Section 07 84 00 ñ Fire Stopping.

3.07 FIELD QUALITY CONTROL
A. General testing requirements:

1. The purpose of testing is to ensure that all tested electrical equipment, both Contractor and Owner supplied, is operational and within industry and Manufacturerís tolerances and is installed in accordance with design Specifications.

2. Tests and inspections shall determine suitability for energization.

3. Perform tests in presence of the Owner's Representative and furnish test equipment, facilities and technical personnel required to perform tests.

4. Tests shall be conducted during the construction period and at completion to determine conformity with applicable codes and with these Specifications.

B. Tests: In addition to specific system test described elsewhere, tests shall include:

1. Equipment operations: Test motors for correct operation and rotation.

2. Lighting control circuits: Test lighting circuits for correct operation through their control devices.

3. Alarm and interlock systems: Produce malfunction symptoms in operating systems to test alarm and interlock systems. In addition, all specific tests described in the fire alarm system shall be performed.

4. Circuit numbering verification: Select on a random basis, various circuit breakers within the panelboards and cycle them on and off to verify compliance of the typed panel directories with actual field wiring.

5. Voltage check:
a. At completion of job, check voltage at several points of utilization on the system that has been installed under this Contract. During test, energize all installed loads. b. Adjust taps on transformers to give proper voltage, which is 118 to 122volts for 120volt nominal systems and proportionately equivalent for higher voltage systems. If proper voltage cannot be obtained, inform the Owner and the serving Utility Company.

6. Test electrical service power rotation and post on a label at the utility meter enclosure.

Maintain rotation throughout the distribution system.
a. Where portable generator tap boxes are present provide a label at the tap box indicating the power rotation.
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C. Test all wiring and connections for continuity and grounds before any fixtures or equipment are connected and where such tests indicate faulty insulation or other defects, they shall be located, repaired and tested again at the Contractor's expense. Electrical loads shall be balanced at the panelboards and motors shall be checked for correct rotation.

D. Contractor shall provide test power required when testing equipment before service energization and coordinate availability of test power with General Contractor after service energization. The Contractor shall provide any specialized test power as needed or specified herein.

E. Testing safety and precautions:

1. Safety practices shall include the following requirements:
a. Applicable State and Local safety operating procedures. b. OSHA.
c. NSC.
d. NFPA 70E.

2. All tests shall be performed with apparatus de-energized and grounded except where otherwise specifically required ungrounded by test procedure.

F. Calibration of test equipment:

1. Testing Agency shall have calibration program that assures test instruments are maintained within rated accuracy.

2. Instruments shall be calibrated in accordance with the following frequency schedule:
a. Field instruments: Analog, 6-months maximum; Digital, 12-months maximum. b. Laboratory instruments: 12-months.
c. Leased specialty equipment: 12-months where accuracy is guaranteed by lessor.

3. Dated calibration labels shall be visible on test equipment.

4. Records, which show date and results of instruments calibrated or tested, must be kept up to date.

5. Up-to-date instrument calibration instructions and procedures shall be maintained for test instrument.

6. Calibration standards shall be of higher accuracy than instrument tested.

7. Equipment used for field testing shall be more accurate than instrument being tested.

G. Coordinate with General Contractor regarding testing schedule and availability of equipment ready for testing.

H. Third party acceptance testing is required as part of this project. Contractor to provide the services of a NETA certified testing contractor to perform testing of equipment identified in the respective specification sections. Submit test reports noting acceptance, test values and a baseline for future test readings. Apparatus to be included in the testing are as follows:

1. Switchboards

2. Distribution panels.

3. Panelboards

4. Automatic transfer switches.

5. Generator.

6. Transformers.

7. Feeders.

I. Notify the Ownerís Representative one week in advance of any testing. 26 05 00

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J. Any products which fail during the tests or are ruled unsatisfactory by the Owner's Representative shall be replaced, repaired, or corrected as prescribed by the Owner's Representative at the expense of the Contractor. Tests shall be performed after repairs, replacements or corrections until satisfactory performance is demonstrated.

K. Testing Agency shall maintain written record of tests and shall assemble and certify final test report.

L. Include all test results in the maintenance manuals.

M. Notify Ownerís Representative in advance prior to project completion. At such time, arrange an operating test for approval and/or schedule for electrical apparatus testing by a third party testing company. Demonstrate equipment to be in conformance with applicable Codes and operate in accordance with Requirements of this Section of the Specifications. Provide all instruments and personnel required for test.
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N. In the absence of manufacturerís torque values refer to Table 1 herein.

Table 1
U.S. Standard
Bolt Torques for Bus Connections
Heat Treated Steel ñ Cadmium or Zinc Plated

GRADE SAE SAE SAE SAE
1 & 2 5 6 8
Minimum
Tensile (P.S.I.) 64K 105K 133K 150K
Bolt Diameter Torque (Foot Pounds)
1/4 4.0 5.6 8.0 8.4
5/16 7.2 11.2 15.2 17.6
3/8 12.0 20.0 27.2 29.6
7/16 19.2 32.0 44.0 48.0
1/2 29.6 48.0 68.0 73.6
9/16 42.4 70.4 96.0 105.6
5/8 59.2 96.0 133.6 144.0
3/4 96.0 160.0 224.0 236.8
7/8 152.0 241.6 352.0 378.4

1. 225.6 372.8 528.0 571.2

3.08 SALVAGE MATERIAL AND EQUIPMENT
A. Where remodel or demolition work is to be accomplished under this Contract, all removed materials and equipment, which in the opinion of the Owner is salvable, shall remain the property of the Owner. Such salvaged materials and equipment shall be delivered to Owner on premises as directed and shall be neatly piled or stored and protected from damage.

B. All materials considered as scrap and not salvageable shall be removed from premises and disposed of by Contractor.
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3.09 DEMOLITION
A. When devices are removed that are located midway in a circuit maintain continuity of the circuit and accessibility of any junction boxes.

B. When the scope of work requires the removal of electrical equipment all associated conduit, conductors, boxes, hangers, anchors, etc. shall be removed in their entirety. All openings shall be patched and sealed to match the adjacent construction and finish including the replacement of floor tiles.

C. Damaged floor and ceiling tiles shall be replaced.

3.10 CLEANING
A. Prior to energizing of electrical equipment, the Contractor shall thoroughly clean the interior of enclosures from construction debris, scrap wire, etc. using Manufacturer's approved methods and materials.

B. Upon completion of Project, prior to final acceptance, the Contractor shall thoroughly clean both the interior and exterior of all electrical equipment per Manufacturers approved methods and materials. Remove paint splatters and other spots, dirt, and debris.

C. Touch-up paint any marks, blemishes or other finish damage suffered during installation.

3.11 PROJECT CLOSEOUT
A. Training:

1. At the time of completion, a period of not less than 4-hours shall be allotted by the Contractor for instruction of building operating and maintenance personnel in the use of all systems. This 4-hour training is in addition to any instruction time called out in the Specifications for specific systems. All personnel shall be instructed at one time, the Contractor making all necessary arrangements with Manufacturerís Representative. The equipment Manufacturer shall be requested to provide product literature and application guides for the users' reference. Costs, if any, for the above services shall be paid by the Contractor.

2. All training sessions shall be video recorded. Confirm file type, i.e. MOV, AVI, MP4, etc. with the district. Each specification section that requires training shall include one file, and all Division 26 specifications shall be stored on a flash drive (USB3.0, 1TB min.) 3 flash drives shall be provided to the district representative with closeout documentation.

B. Special tools: Provide one of each tool type required for proper operation and maintenance of the equipment provided under this Section. All tools shall be delivered to the Owner at the Project completion.

C. Keying: Provide two keys for each lock furnished under this Section and turn over to Owner.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. This Section includes the following:

1. Building wires and cables rated 600 V and less.

2. Connectors, splices, and terminations rated 600 V and less.

3. Sleeves and sleeve seals for cables.

1.03 DEFINITIONS
A. EPDM: Ethylene-propylene-diene terpolymer rubber.

B. NBR: Acrylonitrile-butadiene rubber.

1.04 SUBMITTALS
A. Product Data: For each type of product indicated.

B. Qualification Data: For testing agency.

C. Field quality-control test reports.

1.05 QUALITY ASSURANCE
A. Testing Agency Qualifications: An independent agency, with the experience and capability to conduct the testing indicated, that is a member company of the International Electrical Testing Association or is a nationally recognized testing laboratory (NRTL) as defined by OSHA in 29 CFR 1910.7, and that is acceptable to authorities having jurisdiction.

1. Testing Agency's Field Supervisor: Person currently certified by the International Electrical Testing Association or the National Institute for Certification in Engineering Technologies to supervise on-site testing specified in Part 3.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

C. Comply with CEC, California Electrical Code.
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PART 2 - PRODUCTS

2.01 CONDUCTORS AND CABLES
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Building Wire:
a. General Cable Corporation.
b. Senator Wire & Cable Company.
c. Southwire Company.
d. Cerro Wire, a Marmon/Berkshire Hathaway Company.
e. United Wire and Cable

2. Flexible cords and cables:
a. Carol Cable Company
b. Cerrowire
c. PWC Corp

3. Wiring connectors and terminations:
a. 3M Company.
b. Ideal.
c. Blackburn-Holub.
d. Burndy.
e. Thomas & Betts Corp.
f. Beau Barrier.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical..

2.02 BUILDING WIRE
A. Conductor material:

1. Provide annealed copper for all wire, conductor, and cable, unless otherwise indicated.

2. All building wire shall be stranded, unless otherwise indicated.

3. Comply with NEMA WC 70. Aluminum shall not be used.

4. Stranded Copper, #10 AWG minimum, except for control circuits which may be #14 AWG minimum. Signal and control circuits other than mechanical shall be as indicated on Drawings or as required by equipment manufacturers.

5. Conductors in sizes up through #10 AWG shall have solid color finish as listed above. #8 AWG and larger shall be color coded by application of phase tape for minimum of 6" length on conductor. Coding shall occur at all terminations, pull boxes and splices.

6. Color-coding shall be continuous and consistent throughout the work. Do not use different colors for switch legs, fixture taps, travelers, etc.

7. Phasing: Terminals in panelboards, motor control centers, switchboards and other equipment shall be phased A, B, C, reading left to right or top to bottom looking into the front of the equipment.

B. Conductor Insulation: Comply with UL 83 for Types THW, THHN/THWN, THWN-2, XHHW-2, USE, and SO.

1. All insulated wire, conductor and cable shall be 600volt rated, unless otherwise noted on the Drawings.

2. Thermoplastic-insulated building wire.

3. Rubber-insulated building wire.

4. Copper feeders and branch circuits larger than #6 AWG: Type THW, XHHW or dual rated THHN/THWN.

5. Copper feeders and branch circuits #6 AWG and smaller: Type TW, THW, XHHW or dual rated THHN/THWN.
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6. Feeders and branch circuits for direct-current (DC) in wet locations: Type XHHW-2.

7. Conductors for variable frequency drives (VFD): Type XHHW-2.

8. Service Entrance: Type RHW or THWN.

9. Control Circuits: Type THW or dual rated THHN/THWN.

10. Identify system conductors as to voltage and phase connections by means of colorimpregnated insulation.

11. XHHW-2 conductors shall be used for feeders from generator to service switchboard.

C. Conductor Temperature Rating: 90°C.

2.03 FLEXIBLE CORDS AND CABLES (TYPE S)
A. Provide flexible cords and cables of size, type and arrangement as indicated on the Drawings.

B. Type 'S' flexible cords and cables shall be manufactured in accordance with CEC Article 400 and composed of two or more conductors and a full size green insulated ground wire with an outer jacket of rubber or neoprene as noted.

C. Flexible cords and cables shall be fitted with wire mesh strain relief grips either as an integral component of the connector or as an independently supported unit.

D. Suspended flexible cords and cables shall incorporate safety spring(s) unless otherwise noted.

E. Fixture Whips

1. Minimum conductor size is #16 AWG.

2. Maximum length is 6 feet.

F. Cable Ties: For wire training and clamping in cabinets and enclosures use nylon cable ties.

2.04 CONNECTORS AND SPLICES
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. AFC Cable Systems, Inc.

2. Hubbell Power Systems, Inc.

3. O-Z/Gedney; EGS Electrical Group LLC.

4. 3M; Electrical Products Division.

5. Cooper Crouse-Hinds.

B. Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated.

C. Bolted pressure connectors: Provide wide range-taking connectors with cast bronze compression bolts, designed for parallel taps, tees, crosses or end-to-end connections.

D. Electrical spring wire connectors:

1. Provide multi-part construction incorporating a non-restricted, zinc coated square crosssection steel spring enclosed in a steel sheet with an outer jacket of plastic and insulating skirt.

2. Self-striping pigtail and tap U-contact connectors shall not be used. 26 05 19

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E. Compression type terminating lugs:

1. Provide tin-plated copper high-compression type lugs for installation with hand or hydraulically operated circumference-crimping tools and dies as stipulated by the lug Manufacturer or as indicated on Drawings. Notch or single point type crimping is NOT acceptable.

2. Two-hole, long barrel lugs shall be provided for size #4/0 and larger wire where terminated to bus bars. Use minimum of three crimps per lug, on sizes where possible.

F. Splicing and insulating tape: Provide black, ultraviolet proof, self-extinguishing, 7-mil thick vinyl general purpose electrical tape with a dielectric strength of 10,000volts suitable for temperatures from minus 18-degrees C to 105-degrees C.

G. Insulating putty:

1. Provide pads or rolls of non-corrosive, self-fusing, one-eighth inch thick rubber putty with PVC backing sheet. Scotch vinyl mastic pads and roll or equal.

2. Use putty suitable for temperatures from minus 17.8-degrees C to 37.8-degrees C with a dielectric strength of 570volts/mil minimum.

H. Insulating resin:

1. Provide two-part liquid epoxy resin with resin and catalyst in pre-measured, sealed mixing pouch. Scotchcast 4 or equal for wet or underground vaults, boxes, etc. splices or terminations.

2. Use resin with a set up time of approximately 30-minutes at 21.1-degrees C and with thermal and dielectric properties equal to the insulating properties of the cables immersed in the resin.

I. Terminal strips:

1. Provide box type terminal strips in the required quantity plus 25% spare. Install in continuous rows in terminal cabinets.

2. Use the box type terminal strips with barrier open backs and with ampere ratings as required.

3. Identify all terminals with numbering sequence being used for a system.

J. Crimp type connectors:

1. Provide insulated fork or ring crimp terminals with tinned electrolytic copper-brazed barrel with funnel wire entry and insulation support

2. Fasten crimp type connectors or terminals using a crimping tool recommended by the connector Manufacturer.

3. Provide insulated overlap splices with tinned seamless electrolytic copper barrel with funnel wire entry and insulation support.

4. Provide insulated butt splices with tinned seamless electrolytic copper barrel with center stop, funnel wire entry and insulation support.

K. Cable ties: Provide harnessing and point-to-point wire bundling with nylon cable ties. All cable ties shall be installed using tool supplied by Manufacturer of ties.

L. Wire lubricating compound:

1. UL listed for the wire insulation and conduit type and shall not harden or become adhesive.

2. Shall not be used on wire for isolated type electrical power systems.

M. Bolt termination hardware:

1. Bolts shall be plated, medium carbon steel heat-treated, quenched and tempered equal to ASTM A-325 or SAE grade 5; or silicon bronze alloy ASTM B-9954 Type B. 26 05 19

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2. Nuts shall be heavy semi-finished hexagon, conforming to ANSI B18.2.2, threads to be unified coarse series (UNC), class 2B steel or silicon bronze alloy.

3. Flat washers shall be steel or silicon bronze, Type A plain standard wide series, confirming to ANSI B27.2. SAE or narrow series shall not be used.

4. Belleville conical spring washers shall be hardened steel, cadmium plated or silicon bronze.

5. Each bolt connecting lug(s) to a terminal or bus shall not carry current exceeding the following values:
a. 1/4" bolt: 125amps
b. 5/16" bolt: 175amps
c. 3/8" bolt: 225amps
d. 1/2" bolt: 300amps
e. 5/8" bolt: 375amps
f. 3/4" bolt: 450amps

2.05 LOW VOLTAGE CONDUCTORS AND CABLES
A. Power Wiring to Supply Side of Class 2 Power Source: Not smaller than No. 12 AWG, complying with Division 26 Section "Low-Voltage Electrical Power Conductors and Cables." B. Classes 2 and 3 Control Cables: Stranded copper, complying with UL 83, multi-conductor cable with copper conductors not smaller than No. 18 AWG, complying with Division 26 Section Conductors and Cables.

C. Class 1 Control Cables: Stranded copper, complying with UL 83, multi-conductor cable with copper conductors not smaller than No. 18 AWG, complying with Division 26 Section "LowVoltage Electrical Power Conductors and Cables." D. Structured Network Digital and Multiplexed Signal Cables: UTP cable with copper conductors, complying with TIA/EIA-568-B.2, Category 5e for horizontal copper cable and with Division 27 Section "Communications Horizontal Cabling."
E. RS-485 Cables:

1. Standard Cable: CEC, Type CM.
a. Paired, 2 pairs, twisted, No. 22 AWG, stranded (7x30) tinned copper conductors. b. PVC insulation.
c. Unshielded.
d. PVC jacket.
e. Flame Resistance: Comply with UL 1581.

PART 3 - EXECUTION

3.01 CONDUCTOR MATERIAL APPLICATIONS
A. Color code all branch circuits and feeders as follows:
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120/208 Volts 277/480 Volts
Phase A Black Brown
Phase B Red Orange
Phase C Blue Yellow
Neutral White Gray
Ground Green Green

3.02 CONDUCTOR INSULATION AND WIRING METHODS
A. Exposed & Concealed Feeders: Type THHN-THWN-2, single conductors in raceway.

B. Exposed & Concealed Branch Circuits: Type THHN-THWN-2, single conductors in raceway.

C. Code size ground wire shall be provided in all raceways, secured using approved methods to each pull box, junction box, and equipment housing.

D. Cord Drops and Portable Appliance Connections: Type SO, hard service cord with stainlesssteel, wire-mesh, strain-relief device at terminations to suit application.

E. Class 1 and Class 2 Control Circuits: Type THHN-THWN, in raceway.

F. Branch circuits and feeders in conduit exposed to direct sunlight: Type XHHW-2.

G. Motor feeders/branch circuits sourced from a variable frequency drive: Type XHHW-2 from the drive unit to the motor.

3.03 INSTALLATION OF CONDUCTORS AND CABLES
A. All wiring shall be installed in raceways.

B. Swab conduits before installing cables, and exercise care in pulling to avoid damage or disarrangement of conductors, use approved grips.

C. Conceal cables in finished walls and poles, unless otherwise indicated.

D. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

E. Use pulling means including fish tape, cable, rope, and basket-weave wire/cable grips that will not damage cables or raceway.

1. Wire Pulling Lubricant: Minerallac "Pull-In" compound, Y- ER-EAS wire pulling lubricant, Poly-water, or other UL approved lubricant. Flax-soap is not approved.

3.04 CONNECTIONS
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A. Tighten electrical connectors and terminals according to manufacturer's published torquetightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B.

B. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors.

C. Splices:

1. For conductors #10 and smaller, pre-insulated type connectors, 3M Scotchloks, T & B Piggys or equal, nylon self-insulated type.

2. For conductors #8 and larger use compression type connector, Burndy type YS long barrel, requiring the use of a 360 degree circumference compression type tool, then insulated with Scotchtape No. 88 or equal.
a. Use Scotchfill or equal around large or irregular shape splices for insulation build-up and Scotchtape No. 88.
b. Wire splicing devices shall be sized according to manufacturer's recommendations.

3. Factory insulated mechanical connectors manufactured by Polaris, ILSCO, etc., are not approved.

4. Push in style connectors, i.e. WAGO, are not approved.

5. Self-stripping pigtail and tap-U contact connectors shall not be used.

D. Splices in underground pull boxes or in other areas subject to moisture shall be provided with cast resin kits and cadweld or compression type connections, Burndy type YS long barrel. Use Scotchlok sealing packs for wire size to #10 and Scotchcast kits for larger splices as recommended by 3M Company. All splices to be prepared as hereinbefore specified before resin kits are applied. Wire splicing devices shall be sized according to manufacturer's recommendations.

3.05 FIELD QUALITY CONTROL
A. Perform tests and inspections and prepare test reports.

1. Submit test reports for approval.

B. Tests and Inspections:

1. After installing conductors and cables and before electrical circuitry has been energized, test conductors for compliance with requirements.

2. Grounding test shall be by Fall-of-Potential method by an independent testing agency.

3. Perform each visual and mechanical inspection and electrical test stated in NETA Acceptance Testing Specification. Certify compliance with test parameters. a. Visual and Mechanical Inspection:
1) Inspect cables for physical damage and proper connection in accordance with single line diagram.
2) Test cable mechanical connections to manufacturerís recommended values with a calibrated torque wrench. In absence of manufacturerís data use Table

1. 4. Check cable color-coding with applicable engineerís specifications and California Electrical Code standards.
a. Electrical Tests:
1) Perform insulation resistance test on each conductor including neutral with respect to ground and adjacent conductors before connecting to equipment.

Applied potential to be 1000 volts dc for one (1) minute withstand test, per NETA ATS-2017.
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3) Test all feeder splices per NETA standards and document the results in the test report. The resistance across the splice in each phase shall not exceed 50% of the lowest value obtained.
b. Test Values:
1) Minimum insulation resistance values shall be not less than fifty megohms.

C. Remove and replace malfunctioning units and retest as specified above.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. Section includes grounding systems and equipment.

1.03 SUBMITTALS
A. Product Data: For each type of product indicated.

B. Qualification Data: For qualified testing agency and testing agency's field supervisor.

C. Field quality-control reports.

D. Operation and Maintenance Data: For grounding to include in emergency, operation, and maintenance manuals. In addition to items specified in Division 01 Section "Operation and Maintenance Data," include the following:

1. Instructions for periodic testing and inspection of grounding features at test wells ground rings, grounding connections for separately derived systems based on NETA MTS. a. Tests shall determine if ground-resistance or impedance values remain within specified maximums, and instructions shall recommend corrective action if values do not.
b. Include recommended testing intervals.

1.04 QUALITY ASSURANCE
A. Contractor to perform testing per NETA standards.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, by a qualified testing agency, and marked for intended location and application.

C. Comply with UL 467 for grounding and bonding materials and equipment.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Ground Rods:
a. Weaver.
b. Erico "Cadweld" Products, Inc.

2. Ground Wells:
a. Christy Concrete Products, Inc.
b. Forni Corp.

3. Ground Bushings, Connectors, Jumpers and Bus:
a. O-Z/Gedney.
b. Thomas & Betts Corp.
c. Burndy.
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B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

2.02 CONDUCTORS
A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction.

B. Bare Copper Conductors:

1. Solid Conductors: ASTM B 3.

2. Tinned Conductors: ASTM B 33.

C. Grounding Bus: Predrilled rectangular bars of annealed copper, 1/4 by 4 inches (6.3 by 100 mm) in cross section, with NEMA 2-hole drilling apart. Stand-off insulators for mounting shall comply with UL 891 for use in switchboards, 600 V. Lexan or PVC, impulse tested at 5000 V.

2.03 CONNECTORS
A. Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and combinations of conductors and other items connected.

B. Bolted Connectors for Conductors and Pipes: Copper or copper alloy, pressure type with at least two bolts.

1. Pipe Connectors: Clamp type, sized for pipe.

C. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

D. Bus-bar Connectors: Mechanical type, cast silicon bronze, solderless compression-type wire terminals, and long-barrel, two-bolt connection to ground bus bar.

2.04 GROUNDING ELECTRODES
A. Ground Rods: Copper-clad steel; 3/4 inch diameter by 10 feet (19 mm by 3 m).

B. Chemical-Enhanced Grounding Electrodes: Copper tube, straight or L-shaped, charged with nonhazardous electrolytic chemical salts.

1. Termination: Factory-attached No. 4/0 AWG bare conductor at least 48 inches (1200 mm) long.

2. Backfill Material: Electrode manufacturer's recommended material.

C. UFER Ground; Bare copper conductor 25-feet minimum length and gauge size per 12.5 percent of the service conductor size.

PART 3 - EXECUTION

3.01 APPLICATIONS
A. Conductors: Install stranded conductors unless otherwise indicated.

B. Underground Grounding Conductors: Install bare tinned-copper conductor, No. [2/0] AWG minimum.

1. Bury at least 30 inches below grade.
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2. Duct-Bank Grounding Conductor: Bury 12 inches (300 mm) above duct bank when indicated as part of duct-bank installation.

C. Grounding Bus: Install in electrical and telephone equipment rooms, in rooms housing service equipment, and elsewhere as indicated.

1. Install bus on insulated spacers 2 inches (50 mm) minimum from wall, 36 inches above finished floor unless otherwise indicated.

D. Where indicated on both sides of doorways, route bus up to top of door frame, across top of doorway, and down to specified height above floor; connect to horizontal bus.

E. Conductor Terminations and Connections:

1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors.

2. Underground Connections: Welded connectors.

3. Connections to Ground Rods at Test Wells: Welded connectors.

4. Connections to Structural Steel: Welded connectors.

3.02 GROUNDING UNDERGROUND DISTRIBUTION SYSTEM COMPONENTS A. Comply with IEEE C2 grounding requirements.

B. Grounding Manholes and Handholes: Install a driven ground rod through manhole or handhole floor, close to wall, and set rod depth so 4 inches (100 mm) will extend above finished floor. If necessary, install ground rod before manhole is placed and provide No. 1/0 AWG bare, tinnedcopper conductor from ground rod into manhole through a waterproof sleeve in manhole wall.

Protect ground rods passing through concrete floor with a double wrapping of pressure-sensitive insulating tape or heat-shrunk insulating sleeve from 2 inches (50 mm) above to 6 inches (150 mm) below concrete. Seal floor opening with waterproof, nonshrink grout.

C. Grounding Connections to Manhole Components: Bond exposed-metal parts such as inserts, cable racks, pulling irons, ladders, and cable shields within each manhole or handhole, to ground rod or grounding conductor. Make connections with No. 4 AWG minimum, stranded, hard-drawn copper bonding conductor. Train conductors level or plumb around corners and fasten to manhole walls. Connect to cable armor and cable shields according to written instructions by manufacturer of splicing and termination kits.

D. Pad-Mounted Transformers and Switches: Provide grounding per utility company requirements.

Otherwise: Install two ground rods and ground ring around the pad. Ground pad-mounted equipment and noncurrent-carrying metal items associated with substations by connecting them to underground cable and grounding electrodes. Install tinned-copper conductor not less than No. 2/0 AWG for ground ring and for taps to equipment grounding terminals. Bury ground ring not less than 24 inches (150 mm) from the foundation.

3.03 EQUIPMENT GROUNDING
A. Install insulated equipment grounding conductors with all feeders and branch circuits.

B. Signal and Communication Equipment: In addition to grounding and bonding required by CEC, provide a separate grounding system complying with requirements in TIA/ATIS J-STD-607-A.

1. For telephone, alarm, voice and data, and other communication equipment, provide No. 4 AWG minimum insulated grounding conductor in raceway from grounding electrode system to each service location, terminal cabinet, wiring closet, and central equipment location.
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2. Service and Central Equipment Locations and Wiring Closets: Terminate grounding conductor on a 1/4-by-4-by-24-inch grounding bus.

3. Terminal Cabinets: Terminate grounding conductor on cabinet grounding terminal.

C. Metal Poles Supporting Outdoor Lighting Fixtures: Install grounding electrode and a separate insulated equipment grounding conductor in addition to grounding conductor installed with branch-circuit conductors.

3.04 INSTALLATION
A. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise indicated or required by Code. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

B. Ground Rods: Drive rods until tops are 2 inches (50 mm) below finished floor or final grade unless otherwise indicated.

1. Interconnect ground rods with grounding electrode conductor below grade and as otherwise indicated. Make connections without exposing steel or damaging coating if any.

C. Test Wells: Ground rod driven through drilled hole in bottom of handhole. Handholes are specified in Division 26 Section "Underground Ducts and Raceways for Electrical Systems," and shall be at least 12 inches (300 mm) deep, with cover.

1. Test Wells: Install at least one test well for each service unless otherwise indicated. Install at the ground rod electrically closest to service entrance. Set top of test well flush with finished grade or floor.

D. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance except where routed through short lengths of conduit.

1. Bonding to Structure: Bond straps directly to basic structure, taking care not to penetrate any adjacent parts.

2. Bonding to Equipment Mounted on Vibration Isolation Hangers and Supports: Install bonding so vibration is not transmitted to rigidly mounted equipment.

3. Use exothermic-welded connectors for outdoor locations; if a disconnect-type connection is required, use a bolted clamp.

E. Grounding and Bonding for Piping:

1. Metal Water Service Pipe: Install insulated copper grounding conductors, in conduit, from building's main service equipment, or grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes; use a bolted clamp connector or bolt a lug-type connector to a pipe flange by using one of the lug bolts of the flange. Where a dielectric main water fitting is installed, connect grounding conductor on street side of fitting. Bond metal grounding conductor conduit or sleeve to conductor at each end.

2. Water Meter Piping: Use braided-type bonding jumpers to electrically bypass water meters. Connect to pipe with a bolted connector.

3. Bond each aboveground portion of gas piping system downstream from equipment shutoff valve.

F. Bonding Interior Metal Ducts: Bond metal air ducts to equipment grounding conductors of associated fans, blowers, electric heaters, and air cleaners. Install bonding jumper to bond across flexible duct connections to achieve continuity.
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G. Grounding for Steel Building Structure: Install a driven ground rod at base of each corner column and at intermediate exterior columns at distances not more than 60 feet (18 m) apart.

H. Ground Ring: Install a grounding conductor, electrically connected to each building structure ground rod and to each steel column, extending around the perimeter of area or item indicated.

1. Install tinned-copper solid conductor not less than No. 2 AWG for ground ring and for taps to building steel.

2. Bury ground ring 30-inches deep and not less than 24 inches from building's foundation.

I. Ufer Ground (Concrete-Encased Grounding Electrode): Fabricate according to CEC; use a minimum of 25 feet of bare copper conductor not smaller than 12.5 percent of the service conductor size (sum total per a single phase) AWG. In no case shall the conductor size be less than #4/0 AWG.

1. If concrete foundation is less than 20 feet (6 m) long, coil excess conductor within base of foundation.

2. Bond grounding conductor to reinforcing steel in at least four locations and to anchor bolts.

Extend grounding conductor below grade and connect to building's grounding grid or to grounding electrode external to concrete.

3. 2-inch minimum encasement in concrete.

3.05 LABELING
A. Comply with requirements in Division 26 Section "Identification" Article for instruction signs. The label or its text shall be green.

B. Install labels at the telecommunications bonding conductor and grounding equalizer and at the grounding electrode conductor where exposed.

1. Label Text: "If this connector or cable is loose or if it must be removed for any reason, notify the Ownerís Representative."

3.06 FIELD QUALITY CONTROL
A. Contractor to inspect, test, and adjust components, assemblies, and equipment installations, including connections.

B. Tests and Inspections:

1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements.

2. Inspect physical and mechanical condition. Verify tightness of accessible, bolted, electrical connections with a calibrated torque wrench according to manufacturer's written instructions.

3. Test completed grounding system at each location where a maximum ground-resistance level is specified, at service disconnect enclosure grounding terminal, at ground test wells.

Make tests at ground rods before any conductors are connected. a. Measure ground resistance no fewer than two full days after last trace of precipitation and without soil being moistened by any means other than natural drainage or seepage and without chemical treatment or other artificial means of reducing natural ground resistance.
b. Perform tests by fall-of-potential method according to IEEE 81.

C. Grounding system will be considered defective if it does not pass tests and inspections.

1. Prepare test and inspection reports.
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D. Report measured ground resistances that exceed the following values:

1. Power and Lighting Equipment or System with Capacity of 500 kVA and Less: 10 ohms.

2. Power and Lighting Equipment or System with Capacity of 500 to 1000 kVA: 5 ohms.

3. Power and Lighting Equipment or System with Capacity More Than 1000 kVA: 3 ohms.

4. Power Distribution Units or Panelboards Serving Electronic Equipment: 3 ohm(s).

5. Substations and Pad-Mounted Equipment: [5] <Insert value> ohms.

6. Manhole Grounds: 10 ohms.

E. Excessive Ground Resistance: If resistance to ground exceeds specified values, notify Engineer promptly and include recommendations to reduce ground resistance.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. This Section includes the following:

1. Hangers and supports for electrical equipment and systems.

B. Related Sections include the following:

1. Division 26 Section 26 05 48 Vibration And Seismic Controls for products and installation requirements necessary for compliance with seismic criteria.

1.03 DEFINITIONS
A. EMT: Electrical metallic tubing.

B. IMC: Intermediate metal conduit.

C. RMC: Rigid metal conduit.

1.04 PERFORMANCE REQUIREMENTS
A. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.

B. Rated Strength: Adequate in tension, shear, and pullout force to resist maximum loads calculated or imposed for this Project. Minimum structural safety factor shall meet the following site specific seismic design criteria:

1. Seismic restraints are the responsibility of the contractor.

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

1.05 SUBMITTALS
A. Product Data: For the following:

1. Steel slotted support systems.

2. Nonmetallic slotted support systems.

3. Anchors.

4. Hangers.

B. Shop Drawings: Show fabrication and installation details and include calculations for the following:

1. Steel slotted channel systems. Include Product Data for components.

2. Nonmetallic slotted channel systems. Include Product Data for components.

3. Equipment supports.

1.06 QUALITY ASSURANCE
A. Comply with CEC.
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PART 2 - PRODUCTS

2.01 SUPPORT, ANCHORAGE, AND ATTACHMENT COMPONENTS
A. Steel Slotted Support Systems: Comply with MFMA-4, factory-fabricated components for field assembly.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Cooper B-Line, Inc.; a division of Eaton.
b. ERICO International Corporation.
c. Thomas & Betts Corporation.
d. Unistrut; Tyco International, Ltd.

2. Metallic Coatings: Hot-dip galvanized after fabrication and applied according to MFMA-4.

3. Nonmetallic Coatings: Manufacturer's standard PVC, polyurethane, or polyester coating applied according to MFMA-4.

4. Painted Coatings: Manufacturer's standard painted coating applied in accordance with MFMA-4.

5. Channel Dimensions: Selected for applicable load criteria. a. 12 Gage minimum.

B. Fittings and Accessories: Products of channel and angle manufacturer and designed for use with those items.

1. Provide end caps on all exposed strut to conceal sharp edges.

C. Rated Strength: Selected to suit applicable load criteria.

D. Structural Steel for Fabricated Supports and Restraints: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

E. Mounting, Anchoring, and Attachment Components: Items for fastening electrical items or their supports to building surfaces include the following:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Hilti Inc.
b. Or, Approved Equal

2. Clamps for Attachment to Steel Structural Elements: MSS SP-58, type suitable for attached structural element.

3. Through Bolts: Structural type, hex head, and high strength. Comply with ASTM A 325.

2.02 FABRICATED METAL EQUIPMENT SUPPORT ASSEMBLIES
A. Description: Welded or bolted, structural-steel shapes, shop or field fabricated to fit dimensions of supported equipment.

PART 3 - EXECUTION

3.01 SUPPORT INSTALLATION
A. Provide end caps for all strut.

B. Strength of Support Assemblies: Where not indicated, select sizes of components so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 lb.
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C. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten electrical items and their supports to building structural elements by the following methods unless otherwise indicated by code:

1. To Wood: Fasten with through bolts unless noted otherwise in the electrical or structural details.

2. To New Concrete: Bolt to concrete inserts unless noted otherwise in the electrical or structural details.

3. To Masonry: Approved expansion anchor fasteners on solid masonry units.

4. To Concrete: Expansion anchor fasteners unless noted otherwise in the electrical or structural details.

5. To Steel: Beam clamps (MSS Type 19, 21, 23, 25, or 27) complying with MSS SP-69.

6. To Light Steel: Sheet metal screws.

7. Items Mounted on Hollow Walls and Nonstructural Building Surfaces: Mount cabinets, panelboards, disconnect switches, control enclosures, pull and junction boxes, transformers, and other devices on slotted-channel racks attached to substrate by means that meet seismic-restraint strength and anchorage requirements. See mounting details in the electrical and structural drawing set.

D. Drill holes for expansion anchors in concrete at locations and to depths that avoid reinforcing bars.

1. Ferro resonant scan all concrete walls and floors prior to drilling.

E. Note: Structural details in the construction drawing set and structural specifications take precedence.

3.02 TOUCHUP: CLEAN FIELD WELDS AND ABRADED AREAS OF SHOP PAINT. PAINT

PAINTING
A. Exposed areas immediately after erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA 1 requirements for touching up field-painted surfaces.

1. Apply paint by brush or spray to provide minimum dry film thickness of 2.0 mils.

B. Touchup: Comply with requirements in Division 09 painting Sections for cleaning and touchup painting of field welds, bolted connections, and abraded areas of shop paint on miscellaneous metal.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. This Section includes raceways and fittings for electrical wiring.

1.03 DEFINITIONS
A. EMT: Electrical metallic tubing.

B. FMC: Flexible metal conduit.

C. LFMC: Liquidtight flexible metal conduit.

D. RGS: Rigid Galvanized Steel Conduit.

E. CEC: California Electrical Code.

1.04 SUBMITTALS
A. Product Data: For wireways and fittings.

B. Shop Drawings: For the following raceway components. Include plans, elevations, sections, details, and attachments to other work.

1. Proposed motion sensor and LED dimmable driver interconnection schematic.

C. Source quality-control test reports.

1.05 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Metal conduit:
a. Allied Tube and Conduit Co.
b. Triangle PWC, Inc.
c. Western Tube and Conduit Corp.
d. Spring City Electrical Manufacturing Co.
e. Alflex Corp.
f. American Flexible Metal Conduit Co.
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g. Anaconda.

2. Fittings:
h. Appleton Electric Co.
i. OZ/Gedney.
j. Thomas & Betts Corp.
k. Spring City Electrical Manufacturing Co.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

2.02 METAL CONDUIT AND TUBING
A. EMT: ANSI C80.3.

1. Shall be galvanized steel, thin wall. Maximum trade size to be used shall be 4".

2. Conduit: Shall be formed of cold rolled strip steel, electrical resistance welded continuously along the longitudinal seam and hot dip galvanized after fabrication. Conduit shall conform to ANSI C80.3 Specifications and shall meet UL requirements.

3. Set screw type couplings: Hot dip galvanized, steel, UL listed concrete tight. Use set screw type couplings with four setscrews each of conduit sizes over 2 inches. Setscrews shall be of case-hardened steel with hex-head and cup point to firmly seat in wall of conduit for positive grounding.

4. Set screw type connectors: Hot dip galvanized, steel, UL listed concrete tight with male hub and insulated plastic throat, 150-degree C temperature rated. Setscrew shall be same as for couplings.

5. Raintight couplings: Hot dip galvanized, steel; UL listed raintight and concrete tight, using gland and ring compression type construction.

6. Raintight connectors: Hot dip galvanized, steel, UL listed raintight and concrete tight, with insulated throat, using gland and ring compression type construction.

B. FMC: Zinc-coated steel.

1. Conduit: Shall be fabricated in continuous lengths from galvanized steel strip, spirally wound and formed to provide an interlocking design and conforming to UL 1.

2. Fittings: Connectors shall be of the single screw clamp variety with steel or cast malleable iron bodies and threaded male hubs with insulated throats. Exception: Pressure cast screw-in connectors shall be acceptable for luminaire connection in suspended ceilings and cut-in outlet boxes within existing furred walls.LFMC: Flexible steel conduit with PVC jacket.

C. LIQUIDTIGHT FLEXIBLE METALLIC CONDUIT (LFMC)

1. Conduit: Shall be fabricated in continuous lengths from galvanized steel strips, interlocking spirally wound, covered with extruded liquidtight jacket of polyvinyl chloride (PVC) and conforming to UL 360. Provide conduit with a continuous copper-bonding conductor wound spirally between the convolutions.

2. Fittings: Connector body and gland nut shall be of cadmium plated steel or cast malleable iron, with tapered, male, threaded hub; insulated throat and neoprene "O" ring gasket recessed into the face of the stop nut. The clamping gland shall be of molded nylon with an integral brass push-in ferrule.

D. RGS (RMC) Conduit: ANSI C80.1 and UL 6.

1. Full weight, mild steel pipe, heavy wall, threaded with threaded fittings, zinc coated on both inside and outside by a hot dipping or sherardizing process.

2. Standard threaded couplings, locknuts, bushings, and elbows: Only materials of steel or malleable iron are acceptable. Locknuts shall be bonding type with sharp edges for digging into the metal wall of an enclosure; provide two locknuts at each box or can, inside and outside.
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3. Three-piece couplings: Hot dip galvanized, cast malleable iron.

4. Insulating bushings: Threaded polypropylene or thermosetting phenolic rated 150-degree C minimum.

5. Insulated grounding bushings: Threaded cast malleable iron body with insulated throat and steel "lay-in" ground lug with compression screw.

6. Insulated metallic bushings: Threaded cast malleable iron body with plastic insulated throat rated 150-degrees C.

7. All fittings and connectors shall be threaded.

E. PVC INSULATED GALVANIZED RIGID STEEL CONDUIT (PVC GRS/RMC)

1. Conduit: Full weight, threaded, hot-dip galvanized steel, conforming to ANSI C80.1 and NEMA RN-1 with nominal 20 or 40 mil thermoplastic vinyl coating, heat fused and bonded to the exterior of the conduit.

2. Fittings: Conduit couplings and connectors shall be as specified for galvanized rigid steel conduit and shall be factory PVC coated with an insulating jacket equivalent to that of the coated material.

F. INTERMEDIATE METAL CONDUIT (IMC)

1. Conduit: Hot dip galvanized steel meeting the requirements of CEC Article 345 and conforming to ANSI C80.6 and UL 1242.

2. Fittings: Conduit couplings, connector and bushing shall be as specified for galvanized rigid steel conduit. Integral retractable type IMC couplings are also acceptable.

G. PVC: PLASTIC CONDUIT [PVC (Polyvinyl Chloride), Schedule 40, Heavy Wall, UL Listed and Labeled for Direct Burial, 90 Degrees Centigrade]

1. Shall be classified for direct burial,

2. Standard PVC manufactured elbows shall be used. Where bends and offsets other than the standard fittings must be used, they shall be made with the use of standard manufactured bending equipment. Burn marks on PVC conduit will be considered cause for rejection of installation.

H. MISCELLANEOUS CONDUIT FITTINGS AND PRODUCTS

1. Watertight conduit entrance seals: Steel or cast malleable iron bodies and pressure clamps with PVC sleeve, neoprene sealing grommets and PVC coated steel pressure rings. Fittings shall be supplied with neoprene sealing rings between the body and PVC sleeve.

2. Watertight cable sealing bushings: One piece, compression molded sealing ring with PVC coated steel pressure disks, stainless steel sealing screws and zinc plated cast malleable iron locking collar.

3. Expansion fittings: Multi-piece unit comprised of a hot dip galvanized malleable iron or steel body and outside pressure bussing designed to allow a maximum of 4" conduit movement (2" in either direction). Furnish with external braid tinned copper bonding jumper. Unit shall be UL listed for wet or dry locations.

4. Expansion/deflection couplings: Multi-piece unit comprised of a neoprene sleeve with internal flexible tinned copper braid attached to bronze end couplings with stainless steel bands. Coupling shall accommodate 0.75-inch deflection, expansion or contraction in any direction and allow 30-degree angular deflections. Flexible, corrosion-resistant, watertight, moisture and heat resistant molded rubber jacket and stainless-steel jacket clamps. Unit shall comply with UL467 and UL514. Manufacturer shall be OZ/Gedney Type DX, Steel City Type EDF or equal.

5. Fire rated penetration seals:
a. UL building materials directory classified.
b. Conduit penetrations in fire rated separation shall be sealed with a UL classified fill, void or cavity material.
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c. The fire rated sealant material shall be the product best suited for each type of penetration and may be a caulk, putty, composite sheet, or wrap/strip.

6. Standard products not herein specified:
a. Provide listing of standard electrical conduit hardware and fittings not herein specified for approval prior to use or installation, i.e. locknuts, bushings, etc. b. Listing shall include Manufacturers name, part numbers and a written description of the item indicating type of material and construction.
c. Miscellaneous components shall be equal in quality, material and construction to similar items herein specified.
1) Hazardous area fittings: UL listed for the application.

I. Joint Compound for Rigid Steel Conduit: Listed for use in cable connector assemblies, and compounded for use to lubricate and protect threaded raceway joints from weather, corrosion, and enhance their conductivity.

2.03 SURFACE RACEWAYS
A. Surface Metal Raceways: Galvanized steel with snap-on covers. Prime coating, ready for field painting.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Thomas & Betts Corporation.
b. Walker Systems, Inc.; Wiremold Company (The).
c. Wiremold Company (The); Electrical Sales Division.
d. Or, Equal
PART 3 - EXECUTION

3.01 EXAMINATION
A. Contractor shall thoroughly examine Project site conditions for acceptance of conduit system installation to verify conformance with Manufacturer and Specification tolerances. Do not commence with installation until all conditions are made satisfactory.

3.02 RACEWAY APPLICATION
A. Galvanized rigid steel conduit (GRS) can be used in the following applications:

1. For feeders and branch circuits located indoors, concealed or exposed above suspended ceilings, in damp/wet locations, in crawl spaces, in attics, chases, furred spaces, equipment rooms, loading docks or in hazardous locations in accordance with CEC and local Codes.

2. For feeders and branch circuits concealed in concrete floors and walls when not in contact with earth.

3. For use where conduit is subject to physical damage.

4. For feeders and branch circuits installed exposed on the roof.

B. PVC insulated galvanized rigid steel conduit can be used in the following applications:

1. Use 40-mil coating for feeders and branch circuits in damp or wet locations.

2. Use 40-mil for feeders and branch circuits concealed in concrete walls or slabs in contact with earth.

3. Use 40-mil for runs beneath floor slabs on grade.

4. Use 40-mil for all below grade penetrations through floor slabs on grade or exterior walls. 26 05 33.13

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C. Intermediate metal conduit (IMC): Can be used for the same application as galvanized rigid steel conduit as specified herein, except for hazardous locations prohibited by CEC or Local Codes.

D. Electrical metallic tubing (EMT): Can be used exposed or concealed for interior electrical feeders 4" and smaller, interior power and lighting branch circuits and low tension distribution system where run above suspended ceilings, in concrete slabs and walls not in contact with earth; in stud walls, furred spaces and crawl spaces. EMT shall not be installed exposed below 8 feet above the finish floor except within electrical, communication or signal rooms or closets (subject to physical damage).

E. Flexible metallic conduit (FMC): Can be used only in dry locations for connections from an adjacent outlet box or conduit to all motors, transformers, vibrating equipment or machinery, controllers, solenoid valves, float and flow switches or similar devices and to luminaires installed in suspended ceilings.

F. Liquidtight flexible metallic conduit (LFMC): Can be used in wet or damp locations for connections from adjacent outlet box or conduit to all motors, transformers, vibrating equipment or machinery, controllers, solenoid valves, float and flow switches or similar devices. These areas are typically food preparation and dishwashing areas, sump wells, loading docks, pump rooms, exterior areas, etc.

G. Fire-Resistive Systems: Refer to CEC Article 728. All devices utilized, mountings, and supports shall be listed as part of the fire-resistive system.

H. Minimum Raceway Size: 3/4-inch trade size.

I. Raceway Fittings: Compatible with raceways and suitable for use and location.

1. Galvanized Rigid Steel Conduit: Use threaded rigid steel conduit fittings, unless otherwise indicated.
a. Apply thread sealant to all joints except in permanently dry locations. Where installed below floor slab and in contact with fill material, or underground and in contact with earth or encased in concrete shall be double wrapped with Scotchwrap #50, Johns-Manville VID-10 or equal at double 1/2 lap (four net layers). Follow any specific instructions or methods shown on Drawings.
b. Termination of conduits, wiring gutters or boxes shall be fitted with steel locknut and insulated metallic bushing or with two steel locknuts and insulating bushings. When grounding bushings are required, use insulated grounding bushing. Where conduit connections are exposed to weather or excessive moisture they shall be fitted with insulated watertight sealing hub i.e. Myers Hub.
c. Cap underground conduit stubs.
d. All cut ends of conduit shall be reamed to remove rough edges where conduit is threaded in the field; an electrical conduit thread cutting die with a taper shall be used.

2. LFMC: Use malleable liquidtight insulated fittings with full-size cast steel UL locknut, threaded locking mechanism with insulated throat.
a. In wet and corrosive locations, outside, or motor connections, shall be liquid- tight.

May be used to connect recessed lighting fixtures or mechanical controls and equipment. Length shall be kept to a minimum but to allow for movement or removal of equipment. Leave slack in flex connection to maintain flexibility of conduit, minimum of 3í of flex & one (1) 90° bend.

3. PVC: May be used underground with sand fill evenly compacted on all sides or in concrete floor, or concrete walls, limited to structural requirements. a. All portions shall be concealed below grade or within concrete slab. Continuation of run above grade or floor slab shall be with rigid steel, intermediate metal grade or EMT in furred walls
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b. Stubup at generator pad and portable tap box may be PVC SCH 40 terminated with bell ends.
c. Conduit entries into underground pullboxes shall be terminated with bell ends. d. Minimum 24î cover over conduit. Refer to additional details on drawings. e. A copper bonding conductor shall be pulled in each raceway and bonded to equipment at each end with code lugs.
f. Duct separation shall be provided using plastic conduit spacers specifically designed for the purpose. Refer to duct bank details on drawings. g. All joints shall be solvent cemented in accordance with manufacturerís recommendations. All underground stubs shall be capped.

4. Room Wall and Ceiling Surfaces: Surface metal raceway sized to accommodate conductors for lighting control.

3.03 PREPARATION
A. Locations of conduit runs shall be planned in advance of the installation and coordinated with ductwork, plumbing, ceiling and wall construction in the same areas and shall not unnecessarily cross other conduits or pipe, nor prevent removal of ceiling tiles or panels, nor block access to mechanical or electrical equipment.

B. Where practical, install conduits in groups in parallel vertical or horizontal runs and at elevations that avoid unnecessary offsets.

C. All conduits shall be run parallel or at right angles to the centerlines of columns and beams, whether routed exposed, concealed above suspended ceiling or in concrete slabs.

D. Conduits shall not be placed closer than 12-inches to a flue, parallel hot water, steam line or other heat producing source or three inches from such lines when crossing perpendicular to the runs.

E. Communications conduits shall not be placed closer than 12 inches to power, a flue, parallel hot water, steam line or other heat producing source or three inches from such lines when crossing perpendicular to the runs.

F. Exposed conduit installation shall not encroach into the ceiling height headroom of walkways or doorways. Where possible, install horizontal raceway runs above water and below steam piping.

G. The largest trade size conduits in concrete floor and wall slabs shall not exceed 1/3 the floor or wall thickness and conduits shall be spaced a minimum of three conduit diameters apart unless otherwise noted on the Drawings. All conduits shall be installed in the center of concrete slabs or wall and shall not be placed between reinforcing steel and the bottom of floor slabs.

H. In long runs of conduit, provide sufficient pull boxes inside buildings to facilitate pulling wires and cables, with spacing not to exceed 150-feet. Support pull boxes from structure independent of conduit supports. These pull boxes are not indicated on the Drawings.

I. Provide all reasonably inferred standard conduits fitting and products required to complete conduit installation to meet the intended application whether noted, indicated, or specified in the Contract Documents or not.

J. Connect recessed luminaires to conduit runs with maximum six feet of flexible metal conduit

3.04 INSTALLATION
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A. Install conduit in accordance with Manufacturer's written instructions, as indicated on Drawings and as specified herein.

B. Minimum Conduit Size: Unless otherwise noted herein or on Drawings, minimum conduit size shall be 3/4" for interior applications and 1" for exterior and underground applications.

C. Minimum Communication and Signal Conduit Size: Unless otherwise noted herein or on Drawings, minimum conduit size shall be 1" for interior applications and 2" for exterior and underground applications.

D. All conduit sizes indicated on the Drawings are sized for copper conductors with THHN/THWN insulation. If conductor type or size is changed the Contractor shall be responsible for resizing conduits upward to meet Code.

E. All communication and signal conduit sizes indicated on the Drawings are sized for 40% fill or less for category 6 or 6A cable. If cable type or size is changed the Contractor shall be responsible for resizing conduits upward to meet a maximum 40% fill.

F. In general, all conduit work shall be concealed where possible. Exceptions shall be electrical, communication and mechanical rooms, exposed ceiling areas, and parking garages.

G. Conduit connections to motors and surface cabinets shall be concealed, except for electrical, communication and mechanical rooms, or unless exposed Work is clearly called for on the Drawings.

H. Install conduits in complete runs before pulling in cables or wires.

I. Install conduit free from dented, bruises or deformations. Remove and replace any damaged conduits with new undamaged material.

J. Conduits shall be well protected and tightly covered during construction using metallic bushings and bushing "pennies" to seal open ends.

K. In making joints in rigid steel conduit, ream conduit smooth after cutting and threading. Coat all field-threaded joints with UL approved conductive type compound to ensure low resistance ground continuity through conduit and to prevent seizing and corrosion.

L. Clean any conduit in which moisture or any foreign matter has collected before pulling in conductors. Paint all field-threaded joints to prevent corrosion.

M. In all empty conduits or ducts, install a ìTrue Tapeî conduit measuring tape line to provide overall conduit length for determining length of cables/conductors for future use.

N. Conduit systems shall be mechanically and electrically continuous throughout. Install code size, insulated, copper, green-grounding conductors in all conduit runs for branch circuits and feeders.

This conductor is not indicated on the Drawings. Refer to Section 260526: Grounding and Bonding.

O. Metallic conduit shall not be in contact with other dissimilar metal pipes (i.e. plumbing).

P. Make bends with standard conduit bending hand tool or machines. The use of any item not specifically designed for the bending of electrical conduit is strictly prohibited. 26 05 33.13

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Q. A run of conduit between terminations at wire pulling points shall not contain more than the equivalent of four quarter bends (360-degrees, total).

R. A run of communications and signal conduit between terminations at wire pulling points shall not contain more than the equivalent of two quarter bends (180-degrees, total).

S. Emergency power raceway system: Install entirely independent of other raceway systems, except where specifically allowed by CEC Article 517.

3.05 PENETRATIONS
A. Locate penetrations and holes in advance where they are proposed in the structural sections such as footings, beams, wall, etc. Penetrations are acceptable only when the following occurs:

1. Where indicated on the Structural Drawings.

2. As approved by the Structural Engineer prior to construction and after submittal of Drawing showing location, size, and position of each penetration.

B. Cutting or holes:

1. Cut holes through concrete, masonry block or brick floors and floors of structure with a diamond core drill or concrete saw. Pneumatic hammer, impact electric, hand or manual hammer type drills are not allowed, except where permitted by the Structural Engineer as required by limited working space. Obtain the approval of the Structural Engineer prior to drilling through structural sections.

2. Provide sleeves or ìcan outsî for cast-in-place concrete floors and walls. Following conduit installation, seal all penetrations using non-iron bearing, chloride free, non-shrinking, drypack grouting compounds; or fire rated penetration-sealing materials.

3. Cut holes for conduit penetrations through non-concrete and non-masonry walls, partitions, or floors with a hole saw. The hole shall be only as large as required to accommodate the size of the conduit.

4. Provide single piece escutcheon plates around all exposed conduit penetrations in public places.

C. Sealing:

1. Non-rated penetrations: Pack opening around conduits with non-flammable insulating material and seal with gypsum wallboard taping compound.

2. Fire stop: Where conduits, wireways and other electrical raceways pass through fire rated partitions, walls, smoke partitions or floor; install a UL classified fire stop material to provide an effective barrier against the spread of fire, smoke, and gases. Completely fill and seal clearances between raceways and openings with the fire stop material.

D. Waterproofing: At floor, exterior wall, and roof conduit penetrations, completely seal clearances around the conduit and make watertight as specified in Division 07: Sealants and Caulking.

1. Install specified watertight conduit entrance seals at all below grade wall and floor penetrations. Conduits penetrating exterior building walls and building floor slab shall be PVC coated rigid galvanized steel.

2. For roof penetrations furnish and install roof flashing, counter flashing and pitch-pockets as specified under Roofing and Sheet Metal Sections of the Specifications.

3. Provide membrane clamps and cable sealing fittings for any conduit that horizontally penetrates the waterproof membrane.

4. Conduits that horizontally penetrate a waterproof membrane shall fall away from and below the penetration on the exterior side a minimum of two times the conduit diameters.

3.06 CONCEALED IN CONCRETE
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A. Install conduits approximately in the center of the slab so that there will be a minimum of 3/4-inch of concrete around the conduits.

B. Installation of conduit in structural concrete that is less than three inches thick is prohibited.

Topping slabs, maintenance pads and curbs are exempted.

C. Tie conduits to reinforcing rods or otherwise secure them to prevent sagging or shifting during concrete placement. Run conduit larger than 1-inch trade size, parallel with or at right angles to the main reinforcement; where at right angles to the reinforcement, the conduit shall be close to one of the supports of the slab.

D. Where nonmetallic conduit or tubing is used, raceways must be converted to PVC coated rigid steel conduit before rising above floor.

E. Make couplings and connections watertight.

F. Protect stub-ups from damage where conduits rise from floor slabs. Arrange so curved portion of bends is not visible above the finished slab.

3.07 TERMINATIONS AND JOINTS
A. Use raceway fittings that are of types compatible with the associated raceway and suitable for the use and location. For intermediate steel conduit, use threaded rigid steel conduit fittings except as otherwise indicated.

B. Raceways shall be joined using specified couplings or transition couplings where dissimilar raceway systems are joined.

C. Conduits shall be securely fastened to cabinets, boxes and gutters using two locknuts and an insulating bushing or specified insulated connectors. Where joints cannot be made tight, use bonding jumpers to provide electrical continuity of the raceway system. Where terminations are subject to vibration, use bonding bushings or wedges to assure electrical continuity. Where subject to vibration or dampness, use insulating bushings to protect conductors. Install grounding bushings or bonding jumpers on all conduits terminating at concentric or eccentric knockouts.

D. Conduit terminations exposed at weatherproof enclosures and cast outlet boxes shall be made watertight using specified connectors and hubs.

E. Stub-up connections: Extend conduits through concrete floor for connection to freestanding equipment with an adjustable top or coupling threaded inside for plugs and set flush with the finished floor. Extend conductors to equipment with rigid steel conduit; flexible metal conduit may be used 6 inches above the floor. Where equipment connections are not made under this contract, install screwdriver operated threaded flush plugs with floor.

F. Install specified cable sealing bushings on all conduits originating outside the building walls and terminating in switchgear, cabinets, or gutters inside the building. Install cable sealing bushings or raceway seal for conduit terminations in all grade level or below grade exterior pull, junction, or outlet boxes.

G. Raceway seal: Inject into wire filled raceways, a pre-formulated rigid 2 lbs. density polyurethane foam which expands a minimum 35 times its original bulk. Foam shall have the physical properties of water vapor transmission of 1.2 to 3.0 perms: water absorption less than 2% by volume, fungus and bacterial resistant. Foam shall permanent seal against water, moisture, insects, and rodents. Install raceway sealing foam at the following points:
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RACEWAYS FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
210015.01

1. Where conduits pass from warm locations to cold locations to prevent passage of water vapor (such as refrigerated spaces, constant temperature rooms, air-conditioned spaces, etc.).

2. Where conduits enter buildings from below grade.

H. Install expansion couplings where any conduit crosses a building separation or expansion joint as follows:

1. Conduits three inches and larger, shall be rigidly secured to the building structure on opposite sides of a building expansion joint and provided with expansion or deflection couplings. Install the couplings in accordance with the Manufacturer's recommendations.

2. Conduits smaller than three inches shall be rigidly secured to the building structure on opposite sides of a building expansion joint with junction boxes on both sides of the joint.

Connect conduits to junction boxes with 15 inches of slack flexible conduit. Flexible conduit shall have a green copper ground-bonding jumper installed. For concrete embedded conduit, use expansion and deflection couplings as specified above for three inches and larger conduits.

I. Use short length (maximum of 6ft) of the appropriate FMC or LFMC conduit for connections to motors and other electrical equipment subject to movement, vibration, misalignment, cramped quarters, or noise transmission. Provide liquidtight flexible metal conduit for installation in exterior locations, moisture or humidity-laden atmosphere, corrosive atmosphere, water hose or spray wash-down operations and locations subject to seepage or dripping of oil, grease, or water.

Provide a green ground wire with FMC or LFMC conduit.

3.08 HAZARDOUS LOCATIONS
A. Use rigid steel conduit only.

B. Install UL approved sealing fittings that prevent passage of explosive vapors in accordance with the Manufacturers written instructions. Locate fittings at suitable, approved, accessible locations and fill them with UL-listed sealing compound. For concealed raceways, install each fitting in a flush steel box with a blank coverplate having a finish similar to that of adjacent plates or surfaces.

Install raceway sealing fittings at the following points and elsewhere as indicated:

1. Where conduits enter or leave hazardous locations.

2. At luminaires, switches, receptacles and as required by the CEC.

3.09 SUPPORTS
A. Provide supports for raceways as specified in Section 260529: Electrical Hangers and Supports.

B. All raceways systems shall be secured to building structures using specified fasteners, clamps and hangers spaced according to the CEC.

C. Support single runs of conduit using one-hole pipe straps. Where run horizontally on walls in damp or wet locations, install "clamp backs" to space conduit off the surface.

D. Multiple conduit runs shall be supported using "trapeze" hangers fabricated from specified construction channel, mounted to 3/8-inch diameter, threaded steel rods secured to building structures. Fasten conduit to construction channel with standard one-hole pipe clamps or the equivalent. Provide lateral seismic bracing for hangers.

E. Individual 1/2" and 3/4" conduits installed above suspended ceilings may be attached to the ceiling's hanger wire using spring steel support clips provided that not more than two conduits are attached to any single support wire.
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RACEWAYS FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
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F. Support exposed vertical conduit runs at each floor level, independent of cabinets or switches to which they run, by means of acceptable supports.

G. Fasteners and supports in solid masonry and concrete:

1. Use steel or malleable iron concrete inserts set in place prior to placing the concrete.

2. After concrete installation:

3. Steel expansion anchors not less than º inch bolt size and not less than 1-1/8î embedment.

4. Power set fasteners not less than º inch diameter with depth of penetration not less than three inches.

5. Use vibration and shock resistant anchors and fasteners for attaching to concrete ceilings.

H. Hollow masonry: Toggle bolts are permitted. Bolts supported only by masonry block are not acceptable.

I. Metal structures: Use machine screw fasteners or other devices specifically designed and approved for the application.

3.10 FIRESTOPPING
A. Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore original fire-resistance rating of assembly.

3.11 PROTECTION
A. Provide final protection and maintain conditions that ensure coatings, finishes, and cabinets are without damage or deterioration at time of Substantial Completion.

END OF SECTION
26 05 33.16

BOXES FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. This Section includes boxes for electrical wiring.

1.03 DEFINITIONS
A. CEC: California Electrical Code.

1.04 SUBMITTALS
A. Product Data: For boxes.

B. Source quality-control test reports.

1.05 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

PART 2 - PRODUCTS

2.01 BOXES, ENCLOSURES, AND CABINETS
A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Outlet and junction boxes:
a. Spring City Electrical Manufacturing Co.
b. Thomas & Betts Corp.
c. Raco, Inc.

2. Cast boxes:
a. Appleton Electric Co.
b. Crouse-Hinds.

3. Floor boxes:
a. Legrand.
b. Hubbell Inc.
c. Raceway Components, Inc.

4. Pullboxes:
a. Circle AW Products.
b. Hoffman Engineering Co.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

C. Sheet Metal Outlet and Device Boxes: NEMA OS 1.

1. Shall be of size and shape best suited for particular application, properly code sized for number of wires and conduits passing through or terminating therein, but in no case less than four inches square or octagon by 2-1/4-inch deep. Support boxes directly to structural 26 05 33.16

BOXES FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
210015.01

members, framing or blocking by means of screws, anchors, bolts or embedded in masonry or concrete.

2. Outlet boxes shall be one-piece pressed steel, sherardized or galvanized. Boxes shall be fitted with flush device covers and "Plaster Rings", or tile rings in masonry or concrete.

Surface covers shall be used where exposed wiring is permissible. Lighting outlets shall be fitted with 3/8" malleable fixture stud. Boxes in damp or outdoor locations shall be malleable iron with threaded hubs, fitted with gasket and cast cover.

D. Cast-Metal Outlet and Device Boxes: NEMA FB 1, ferrous alloy Type FD, with gasketed cover.

E. Metal Floor Boxes: Sheet metal, fully adjustable, rectangular. Provide with flanges to accommodate floor finish.

F. Small Sheet Metal Pull and Junction Boxes: NEMA OS 1.

G. Pull Boxes: Indoor pull boxes fabricated of code gauge steel, of size shown or as required, complete with screw covers, flush type in finished areas, surface type in unfinished areas, primed, and painted. See drawings for additional requirements.

H. Pull boxes used outdoors or in damp locations fabricated of code gauge steel with rain-tight welded seams, conduit hubs on top or sides, screw covers with neoprene or korprene gaskets.

Hardware non-ferrous metal or hot-dipped galvanized. Boxes located on roof, entire boxes painted two coats of rust-inhibiting aluminum paint, Rustoleum or equal. Boxes located on building walls or free standing; finish powder paint color to match exterior building color.

1. Hoffman, NEMA 3R, A Series or equal.

I. Hinged-Cover Enclosures: NEMA 250, Type 1, with continuous-hinge cover with flush latch, unless otherwise indicated.

1. Metal Enclosures: Steel, finished inside and out with manufacturer's standard enamel.

2.02 CABINETS:

A. NEMA 250, Type 1, galvanized-steel box with removable interior panel and removable front, finished inside and out with manufacturer's standard enamel.

B. Hinged door in front cover with flush latch and concealed hinge.

C. Key latch to match panelboards.

D. Metal barriers to separate wiring of different systems and voltage.

E. Accessory feet where required for freestanding equipment.

PART 3 - EXECUTION

3.01 PREPARATION
A. Install all outlet boxes flush with building walls, ceilings, and floors except where boxes are installed in mechanical and electrical rooms, in cabinetry, above accessible ceilings or where exposed Work is called for on the Drawings.

B. Locate pull boxes and junction boxes in concealed locations above removable ceilings or exposed in electrical rooms, utility rooms or storage areas.
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C. Install outlet boxes at the locations and elevations indicated on the Drawings or specified herein.

Make adjustments to locations as required by structural conditions and to suit coordination requirements of other trades.

D. Locate switch outlet boxes on the latch side of doorways unless otherwise indicated.

E. Locate outlet boxes above hung ceilings having concealed suspension systems, adjacent to openings for removable recessed luminaires.

F. Do not install outlet boxes back-to-back, separate boxes by at least 6". In fire-rated walls separate boxes by at least 24" and wall stud.

G. Adjust position of outlet boxes in finished masonry walls to suit masonry course lines. Coordinate cutting of masonry walls to achieve neat openings for boxes.

3.02 INSTALLATION
A. Install boxes in accordance with Manufacturer's written instructions, as indicated on Drawings and as specified herein.

B. Locate electrical boxes as indicated on Drawings and as required for splices, taps, wire pulling, equipment connections and Code compliance.

C. Install junction or pull boxes where required to limit bends in conduit runs to not more than (3) 90 degree bends or where pulling tension achieved would exceed the maximum allowable for the cable to be installed. Note that these boxes are not indicated on the Drawings.

D. Install raised covers (plaster rings) on all outlet boxes in stud walls or in furred, suspended, or exposed concrete ceilings. Covers shall be of a depth to suit the wall or ceiling finish.

E. Leave no unused openings in any box. Install close-up plugs as required to seal openings.

F. Provide cast metal boxes with gasketed cast metal cover plates where boxes are exposed in damp or wet locations.

G. Welded outlet boxes shall only be used in concealed interior installations.

H. Provide precast concrete boxes in exterior planting areas, walkways, roads etc.

I. Provide an access panel in permanent ceiling or wall where boxes are installed and will be inaccessible.

J. For boxes mounted in exterior walls, make sure that there is insulation behind outlet boxes to prevent condensation in boxes.

K. For outlets mounted above counters, benches or backsplashes, coordinate location and mounting heights with built-in units. Adjust mounting height to agree with required location for equipment served.

L. Use conduit outlet bodies to facilitate pulling of conductors or to make changes in conduit direction only. Do not make splices in conduit outlet bodies.
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BOXES FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
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M. Add additional sheet rock as necessary to maintain original fire rating of walls where boxes are installed.

N. Install galvanized steel coverplates on boxes in unfinished areas, above accessible ceilings and on surface mounted outlets.

3.03 SUPPORTS
A. Provide boxes installed in walls with brackets designed for attaching directly to the studs or mount boxes on specified box supports.

B. Mount boxes, installed in suspended ceilings of gypsum board or lath and plaster construction, to 16-gauge metal channel bars attached to main ceiling runners.

C. Support boxes independently of conduit system.

D. Support boxes, installed in suspended ceilings supporting acoustical tiles or panels, directly from the structure above wherever pendant mounted luminaires are to be installed from the box.

E. Support boxes mounted above suspended acoustical tile ceilings, directly from the structure above.

END OF SECTION
26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
210015.01

PART 1 - GENERAL

1.01 SCOPE
A. Section Includes:

1. Conduit, ducts, and duct accessories for direct-buried and concrete-encased duct banks, and in single duct runs.

2. Handholes and pull boxes.

3. Manholes.

1.02 RELATED SECTIONS
A. Section 26 05 19 Low Voltage Electrical Power Conductors and Cables B. Section 26 05 53 Identification for Electrical Systems

1.03 DEFINITION
A. RNC: Rigid nonmetallic conduit.

1.04 SUBMITTALS
A. Submit in accordance with of Section 01 3300 Shop Drawings, Product Data and Samples.

B. Product Data: For the following:

1. Duct-bank materials, including separators and miscellaneous components.

2. Ducts and conduits and their accessories, including elbows, end bells, bends, fittings, and solvent cement.

3. Accessories for manholes, handholes, pull boxes, and other utility structures.

4. Warning tape.

C. Shop Drawings for Precast or Factory-Fabricated Underground Utility Structures: Include plans, elevations, sections, details, attachments to other work, and accessories, including the following:

1. Duct entry provisions, including locations and duct sizes.

2. Reinforcement details.

3. Frame and cover design and manhole frame support rings.

4. Ladder details.

5. Grounding details.

6. Dimensioned locations of cable rack inserts, pulling-in and lifting irons, and sumps.

7. Joint details.

D. Product Certificates: For concrete and steel used in precast concrete manholes, pull boxes and handholes, comply with ASTM C 858.

E. Field quality-control reports.

1.05 QUALITY ASSURANCE
A. Comply with IEEE C2 ñ National Electrical Safety Code.

B. Comply with the current issue of the California Electrical Code. 26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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1.06 DELIVERY, STORAGE, AND HANDLING
A. Deliver ducts to Project site with ends capped. Store nonmetallic ducts with supports to prevent bending, warping, and deforming.

B. Store precast concrete underground utility structures at Project site as recommended by manufacturer to prevent physical damage. Arrange so identification markings are visible.

C. Lift and support precast concrete units only at designated lifting or supporting points.

1.07 COORDINATION
A. Coordinate layout and installation of ducts, manholes, handholes, and pull boxes with final arrangement of other utilities, site grading, and surface features as determined in the field.

B. Coordinate elevations of ducts and duct-bank entrances into manholes, handholes, and pull boxes with final locations and profiles of ducts and duct banks as determined by coordination with other utilities, underground obstructions, and surface features. Revise locations and elevations from those indicated as required to suit field conditions and to ensure that duct runs drain to manholes and handholes, and as approved by the Ownerís Representative.

1.08 EXTRA MATERIALS
A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

B. Furnish cable-support stanchions, arms, insulators, and associated fasteners in quantities equal to five percent of quantity of each item installed.

PART 2 - PRODUCTS

2.01 CONDUIT
A. Rigid Steel Conduit: Galvanized. Comply with ANSI C80.1.

B. RNC: NEMA TC 2, Type EPC-40-PVC, and Type EPC-80-PVC UL 651, with matching fittings by same manufacturer as the conduit, complying with NEMA TC 3 and UL 514B.

2.02 NONMETALLIC DUCTS AND DUCT ACCESSORIES
A. Basis-of-Design Product: Carlon or comparable product by one of the following:

1. Cantex, Inc.

2. Allied Tube & Conduit; Atkore International.

3. JM Eagle; J-M Manufacturing Company, Inc..

4. DCX-CHOL Enterprises, Inc.; ELECSYS Division.

5. Electri-Flex Company.

6. IPEX Inc.

7. Lamson & Sessions; Carlon Electrical Products.

8. Or, Equal.

B. Duct Accessories:

1. Duct Separators: Factory-fabricated rigid PVC interlocking spacers, sized for type and sizes of ducts with which used, and retained to provide minimum duct spacings indicated while supporting ducts during concreting or backfilling. 26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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2. Warning Tape: Underground-line warning tape specified in Section 25 0553 "Identification."

2.03 PRECAST CONCRETE HANDHOLES AND PULL BOXES
A. Manufacturers: provide products by one of the following:

1. Jensen Precast

2. Christy Concrete Products.

3. Oldcastle Precast Group.

4. Oldcastle Precast Inc.; Utility Vault Division.

5. Or, Equal.

B. Comply with ASTM C 858 for design and manufacturing processes.

C. Ferrous metal hardware shall be hot-dip galvanized in accordance with ASTM A153 (ASTM A153M) and ASTM A123 (ASTM A123M) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings.

D. Description: Factory-fabricated, reinforced-concrete, monolithically poured walls and bottom unless open-bottom enclosures are indicated. Frame and cover shall form top of enclosure and shall have load rating consistent with that of handhole or pull box.

1. Frame and Cover: Weatherproof steel frame, with steel cover with recessed cover hook eyes and tamper-resistant, captive, cover-securing stainless-steel bolts.

2. Frame and Cover: Weatherproof steel frame, with hinged steel access door assembly with tamper-resistant, captive, cover-securing stainless-steel bolts. a. Cover Hinges: Concealed, with hold-open ratchet assembly. b. Cover Handle: Recessed.

3. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.

4. Cover Legend: Molded lettering, As indicated for each service.

5. Configuration: Units shall be designed for flush burial and have closed bottom unless otherwise indicated.

6. Extensions and Slabs: Designed to mate with bottom of enclosure. Same material as enclosure.
a. Extension shall provide increased depth of 12 inches b. Slab: Same dimensions as bottom of enclosure, and arranged to provide closure.

2.04 PRECAST MANHOLES
A. Manufacturers: provide products by one of the following:

1. Jensen Precast

2. Christy Concrete Products.

3. Oldcastle Precast Group.

4. Oldcastle Precast Inc.; Utility Vault Division.

5. Or equal.

B. Comply with ASTM C 858 with structural design loading as specified in "Underground Enclosure Application" Article, and with interlocking mating sections, complete with accessories, hardware, and features.

C. Concrete Knockout Panels: 1-1/2 to 2 inches thick, for future conduit entrance and sleeve for ground rod.
26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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D. Joint Sealant: Asphaltic-butyl material with adhesion, cohesion, flexibility, and durability properties necessary to withstand maximum hydrostatic pressures at the installation location with the ground-water level at grade.

2.05 UTILITY STRUCTURE ACCESSORIES
A. Manufacturers: provide products by one of the following

1. Jensen Precast

2. Bilco Company (The).

3. Campbell Foundry Company.

4. Christy Concrete Products.

5. Cretex Concrete Products West, Inc.; Riverton Division.

6. East Jordan Iron Works.

7. Hubbell Power Systems; Lenoir City Division.

8. McKinley Iron Works.

9. Neenah Foundry Company.

10. NewBasis.

11. Oldcastle Precast Group.

12. Oldcastle Precast Inc.; Utility Vault Division.

13. Osburn Associates, Inc.

14. Underground Devices, Inc.

15. Or equal
B. Ferrous metal hardware, where indicated, shall be hot-dip galvanized complying with ASTM A 153 (A 153M) and A 123 (A 123M).

C. Manhole Frames, Covers, and Chimney Components: Comply with structural design loading specified for manhole.

1. Frame and Cover: Weatherproof, gray cast iron complying with ASTM A 48/A 48M, Class 30B with milled cover-to-frame bearing surfaces; diameter, 29 inches. a. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50. b. Special Covers: Recess in face of cover designed to accept finish material in paved areas.

2. Cover Legend: Cast in. Retained to suit system.
a. Legend: "ELECTRIC-LV" for duct systems with power wires and cables for systems operating at 600 V and less.
b. Legend: "SIGNAL" for communications, data, and telephone duct systems.

3. Manhole Chimney Components: Precast concrete rings with dimensions matched to those of roof opening.
a. Mortar for Chimney Ring and Frame and Cover Joints: Comply with ASTM C 270, Type M, except for quantities less than 2.0 cu. Ft. where packaged mix complying with ASTM C 387/C 387M, Type M, may be used.

D. Pulling Eyes in Concrete Walls: Eyebolt with reinforcing-bar fastening insert, 2-inch-diameter eye, and 1-by-4-inch bolt.

E. Working Load Embedded in 6-Inch, 4000-psi Concrete: 13,000-lbf minimum tension.

F. Pulling-In and Lifting Irons in Concrete Floors: 7/8-inch- diameter, hot-dip galvanized, bent steel rod; stress relieved after forming; and fastened to reinforcing rod. Exposed triangular opening.

G. Ultimate Yield Strength: 40,000-lbf shear and 60,000-lbf tension. 26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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H. Bolting Inserts for Concrete Utility Structure Cable Racks and Other Attachments: Flared, threaded inserts of noncorrosive, chemical-resistant, nonconductive thermoplastic material; 1/2- inch ID by 2-3/4 inches deep, flared to 1-1/4 inches minimum at base.

1. Tested Ultimate Pullout Strength: 12,000 lbf minimum.

I. Expansion Anchors for Installation after Concrete Is Cast: Zinc-plated, carbon-steel-wedge type with stainless-steel expander clip with 1/2-inch bolt, 5300-lbf rated pullout strength, and minimum 6800-lbf rated shear strength.

J. Cable Rack Assembly: Steel, hot-dip galvanized except insulators.

1. Stanchions: T-section or channel; 2-1/4-inch nominal size; punched with 14 holes on 1- 1/2-inch centers for cable-arm attachment.

2. Arms: 1-1/2 inches wide, lengths ranging from 3 inches with 450-lb minimum capacity to 18 inches with 250-lb minimum capacity. Arms shall have slots along full length for cable ties and be arranged for secure mounting in horizontal position at any vertical location on stanchions.

3. Insulators: High-glaze, wet-process porcelain arranged for mounting on cable arms.

K. Duct-Sealing Compound: Nonhardening, safe for contact with human skin, not deleterious to cable insulation, and workable at temperatures as low as 35 deg F. Capable of withstanding temperature of 300 deg F without slump and adhering to clean surfaces of plastic ducts, metallic conduits, conduit coatings, concrete, masonry, lead, cable sheaths, cable jackets, insulation materials, and common metals.

2.06 SOURCE QUALITY CONTROL
A. Test and inspect precast concrete utility structures according to ASTM C 1037.

PART 3 - EXECUTION

3.01 CORROSION PROTECTION
A. Aluminum shall not be installed in contact with earth or concrete.

B. Rigid steel galvanized conduit to be wrapped with 10-Mil PVC tape.

3.02 UNDERGROUND DUCT APPLICATION
A. Ducts for Electrical Cables over 600 V: RNC, NEMA Type EPC-80, Installed per utility requirements.

B. Ducts for Electrical Feeders 600 V and Less: RNC, NEMA Type EPC-40-PVC, in direct-buried duct bank unless otherwise indicated.

C. Ducts for Electrical Branch Circuits: RNC, NEMA Type EPC-40-PVC, in direct-buried duct bank unless otherwise indicated.

3.03 EARTHWORK
A. Excavation and Backfill: Comply with Division 31 Section "Earth Moving," but do not use heavyduty, hydraulic-operated, compaction equipment.

B. Restore surface features at areas disturbed by excavation and reestablish original grades unless otherwise indicated. Replace removed sod immediately after backfilling is completed. 26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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210015.01

C. Restore areas disturbed by trenching, storing of dirt, cable laying, and other work. Restore vegetation and include necessary topsoiling, fertilizing, liming, seeding, sodding, sprigging, and mulching. Comply with Division 32 Sections "Turf and Grasses" and "Plants." D. Cut and patch existing pavement in the path of underground ducts and utility structures according to Division 01 Section "Cutting and Patching."

3.04 DUCT INSTALLATION
A. Slope: Pitch ducts a minimum slope of 1:300 down toward manholes and handholes and away from buildings and equipment. Slope ducts from a high point in runs between two manholes to drain in both directions.

B. Curves and Bends: Use 5-degree angle couplings for small changes in direction. Use manufactured long sweep bends with a minimum radius of 60 inches, horizontally and 36-inch vertically, at other locations unless otherwise indicated.

C. Joints: Use solvent-cemented joints in ducts and fittings and make watertight according to manufacturer's written instructions. Stagger couplings so those of adjacent ducts do not lie in same plane.

D. Duct Entrances to Manholes and Concrete and Polymer Concrete Handholes: Use end bells, spaced approximately 10 inches o.c. for 5-inch ducts, and vary proportionately for other duct sizes.

1. Begin change from regular spacing to end-bell spacing 10 ft. from the end bell without reducing duct line slope and without forming a trap in the line.

2. Grout end bells into structure walls from both sides to provide watertight entrances.

E. Building Floor Penetrations: Make a transition from underground duct to rigid steel conduit at least 5 ft. outside the building wall without reducing duct line slope away from the building and without forming a trap in the line. Use fittings manufactured for duct-to-conduit transition. Install conduit penetrations of building walls as specified in Division 26 Section "Common Work Results for Electrical."
F. Sealing: Provide temporary closure at terminations of ducts that have cables pulled. Seal spare ducts at terminations. Use sealing compound and plugs to withstand at least 15-psig hydrostatic pressure.

G. Pulling Cord: Install 100-lbf- test nylon cord in ducts, including spares.

H. Direct-Buried Duct Banks:

1. Support ducts on duct separators coordinated with duct size, duct spacing, and outdoor temperature.

2. Space separators close enough to prevent sagging and deforming of ducts, with not less than 5 spacers per 20 ft. of duct. Secure separators to earth and to ducts to prevent displacement during backfill and yet permit linear duct movement due to expansion and contraction as temperature changes. Stagger spacers approximately 6 inches between tiers.

3. Excavate trench bottom to provide firm and uniform support for duct bank. Prepare trench bottoms as specified in Division 31 Section "Earth Moving" for pipes less than 6 inches in nominal diameter.

4. Install backfill as specified in Division 31 Section "Earth Moving." 26 05 43

UNDERGROUND DUCTS FOR ELECTRICAL SYSTEMS
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5. After installing first tier of ducts, backfill and compact. Start at tie-in point and work toward end of duct run, leaving ducts at end of run free to move with expansion and contraction as temperature changes during this process. Repeat procedure after placing each tier.

After placing last tier, hand-place backfill to 4 inches over ducts and hand tamp. Firmly tamp backfill around ducts to provide maximum supporting strength. Use hand tamper only. After placing controlled backfill over final tier, make final duct connections at end of run and complete backfilling with normal compaction as specified in Division 31 Section "Earth Moving."

6. Install ducts with a minimum of 3 inches between ducts for like services and 3 feet between power and signal ducts.

7. Depth: Install top of duct bank at least 36 inches below finished grade unless otherwise indicated.

8. Install manufactured rigid steel galvanized conduit elbows for stub-ups at poles and equipment and at building entrances through the floor.
a. Couple steel conduits to ducts with female adapters designed for this purpose, and encase coupling with 3 inches of concrete.
b. For equipment mounted on outdoor concrete bases, extend steel conduit horizontally a minimum of 60 inches from edge of equipment pad or foundation.

Install insulated grounding bushings on terminations at equipment.

9. Warning Tape: Bury warning tape approximately 12 inches above direct-buried ducts and duct banks, placing them 24 inches o.c. Align tape along the width and along the centerline of duct bank. Provide an additional plank for each 12-inch increment of duct-bank width over a nominal 18 inches.

3.05 INSTALLATION OF CONCRETE MANHOLES, HANDHOLES, AND PULL BOXES A. Precast Concrete Handhole and Manhole Installation:

1. Comply with ASTM C 891 unless otherwise indicated.

2. Install units level and plumb and with orientation and depth coordinated with connecting ducts to minimize bends and deflections required for proper entrances.

3. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded from 1-inch sieve to No. 4 sieve and compacted to same density as adjacent undisturbed earth.

B. Elevations:

1. Manhole Roof: Install with rooftop at least 15 inches below finished grade.

2. Manhole Frame: In paved areas and trafficways, set frames flush with finished grade. Set other manhole frames 1 inch above finished grade.

3. Handhole Covers: In paved areas and trafficways, set surface flush with finished grade.

Set covers of other handholes 1 inch above finished grade.

4. Where indicated, cast handhole cover frame integrally with handhole structure.

C. Drainage: Install drains in bottom of manholes where indicated. Coordinate with drainage provisions indicated.

D. Manhole Access: Circular opening in manhole roof; sized to match cover size.

1. Manholes with Fixed Ladders: Offset access opening from manhole centerlines to align with ladder.

2. Install chimney, constructed of precast concrete collars and rings to support frame and cover and to connect cover with manhole roof opening. Provide moisture-tight masonry joints and waterproof grouting for cast-iron frame to chimney. 26 05 43

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E. Hardware: Install removable hardware, including pulling eyes, cable stanchions, cable arms, and insulators, as required for installation and support of cables and conductors and as indicated.

F. Fixed Manhole Ladders: Arrange to provide for safe entry with maximum clearance from cables and other items in manholes.

G. Field-Installed Bolting Anchors in Manholes and Concrete Handholes: Do not drill deeper than 3-7/8 inches for manholes and 2 inches for handholes, for anchor bolts installed in the field. Use a minimum of two anchors for each cable stanchion.

H. Warning Sign: Install "Confined Space Hazard" warning sign on the inside surface of each manhole cover.

3.06 GROUNDING
A. Ground underground ducts and utility structures according to the CEC and Division 26 Section "Grounding and Bonding for Electrical Systems." The more stringent shall apply.

3.07 FIELD QUALITY CONTROL
A. Perform the following tests and inspections:

1. Demonstrate capability and compliance with requirements on completion of installation of underground ducts and utility structures.

2. Pull aluminum or wood test mandrel through duct to prove joint integrity and test for out-ofround duct. Provide mandrel equal to 80 percent fill of duct. If obstructions are indicated, remove obstructions and retest.

3. Test manhole and handhole grounding to ensure electrical continuity of grounding and bonding connections. Measure and report ground resistance as specified in Division 26 Section "Grounding and Bonding for Electrical Systems." B. Correct deficiencies and retest as specified above to demonstrate compliance.

C. Prepare test and inspection reports.

3.08 CLEANING
A. Pull leather-washer-type duct cleaner, with graduated washer sizes, through full length of ducts.

Follow with rubber duct swab for final cleaning and to assist in spreading lubricant throughout ducts.

B. Clean internal surfaces of manholes, including sump. Remove foreign material.

END OF SECTION
26 05 48

VIBRATION AND SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS
Dry Creek WWTP Operations and Lab Building
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PART 1 - GENERAL

1.01 SCOPE
A. Section includes:

1. Channel support systems.

2. Anchors

1.02 RELATED SECTIONS
A. Section 26 05 33.13 Raceways for Electrical Systems
B. Section 26 05 29 Hangers and Supports for Electrical Systems C. Section 26 22 00 Low Voltage Distribution Transformers D. Section 26 24 13 Switchboards

1.03 DEFINITIONS
A. CBC: California Building Code.

B. ICC-ES: ICC-Evaluation Service.

1.04 PERFORMANCE REQUIREMENTS
A. Provide systems, units, equipment, and parts to meet or exceed current applicable requirements for seismic resistance specified by codes, regulations and authority having jurisdiction. Include all supports, anchors, braces and other restraining devices required.

B. Seismic bracing shall meet requirements of CBC Chapter 16A.

1.05 SUBMITTALS
A. Submit in accordance with of Section 01 33 00 Shop Drawings, Product Data and Samples.

B. Product Data: For the following:

1. Seismic restraints and bracing systems.

PART 2 - PRODUCTS

2.01 SEISMIC-RESTRAINT DEVICES
A. Manufacturers:

1. Cooper B-Line, Inc.; a division of Eaton.

2. Unistrut; Atkore International.

3. Hilti Inc.

4. Or equal
B. General Requirements for Restraint Components: As noted in the Drawings. 26 05 48

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2.02 FACTORY FINISHES
A. Finish: Galvanized steel
PART 3 - EXECUTION

3.01 EXAMINATION
A. Examine areas and equipment to receive vibration isolation and seismic-control devices for compliance with requirements for tolerances and other conditions affecting performance.

B. Examine roughing-in of reinforcement and cast-in-place anchors to verify actual locations before further placement of equipment, panels, boxes, conduits, etc.

C. Proceed only after unsatisfactory conditions have been corrected.

3.02 APPLICATIONS
A. Multiple Raceways: Secure raceways to trapeze member with bolted 2 piece clamps.

B. Torque fittings, anchors and connections per manufacturerís recommended values.

3.03 FIELD QUALITY CONTROL
A. Perform Tests and Inspections:

1. Test at least 4 of each type and size of secured anchors and fasteners selected by Ownerís Representative or IOR.

2. Test to 90 percent of rated proof load of device.

3. If a device fails test, modify all mountings of same type and retest until satisfactory results are achieved.

END OF SECTION
26 05 53

IDENTIFICATION FOR ELECTRICAL SYSTEMS
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PART 1 - GENERAL

1.01 SUMMARY
A. Section includes:

1. Equipment identification

2. Panelboard directories

3. Identification for power, conductors, communication, and control cable

4. Wire and cable identification

5. Buried electrical line warnings

6. Junction box identification

7. Inscribed device coverplates

8. Warning labels and signs

9. Instruction signs

10. Miscellaneous identification products

1.02 RELATED SECTIONS
A. Section 09 90-00, Painting and Coating

1.03 REFERENCE STANDARDS
A. ANSI/ASME A13.1 ñ Scheme for the Identification of Electrical Systems.

1.04 SUBMITTALS
A. Product Data: For each type of product indicated.

B. Samples: Submit samples of each color, lettering style, and other graphic representation required for each identification material or system.

C. Schedules of nameplates to be furnished indicating wording, symbols, letter size, letter style, and color coding for each system.

1.05 QUALITY ASSURANCE
A. Coordinate identification names, abbreviations, colors, and other features with requirements in the Contract Documents, Shop Drawings, manufacturerís wiring diagrams, and the Operation and Maintenance Manual, and with those required by codes, standards, and 29 CFR 1910.145.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Manufacturer:

1. Brady/Seton

2. Stranco

3. Rowmark

4. Or equal

2.02 CONDUCTOR AND COMMUNICATION AND CONTROL-CABLE IDENTIFICATION 26 05 53

IDENTIFICATION FOR ELECTRICAL SYSTEMS
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A. Self-Adhesive Vinyl Labels: Preprinted, flexible label laminated with a clear, weather and chemical resistant coating and matching wraparound adhesive tape for securing ends of legend label.

1. Marker for Tags: Machine-printed permanent, waterproof, black ink marker recommended by printer manufacturer.

B. Snap-Around labels: Slit, pretensioned, flexible, preprinted, color-coded acrylic sleeve, with diameter sized to suit diameter of raceway or cable it identifies and to stay in place by gripping action.

C. Snap around, Color Coding Bands: Slit, pretensioned, flexible, solid color-coded acrylic sleeve, 2 inches long, with diameter sized to suit diameter of raceway or cable it identifies and to stay in place by gripping action.

2.03 UNDERGROUND-LINE WARNING TAPE
A. Tape:

1. Recommended by manufacturer for the method of installation and suitable to identify and locate underground electrical and communications utility lines.

2. Printing on tape shall be permanent and shall not be damaged by burial operations.

3. Tape material and ink shall be chemically inert, and not subject to degrading when exposed to acids, alkalis, and other destructive substances commonly found in soils.

B. Color and Printing:

1. Comply with ANSI Z535.1 through ANSI A535.5

2. Inscriptions for Red-Colored Tapes: ELECTRIC LINE, HIGH VOLTAGE.

3. Inscriptions for Orange-Colored Tapes: TELEPHONE CABLE, CATV CABLE, COMMUNICATIONS CABLE, OPTICAL FIBER CABLE. C. Tag:

4. Pigmented polyolefin, bright-colored, compounded for direct-burial service.

5. Thickness: 4 mils.

6. Weight: 18.5 lb/1000 sq. ft.

7. 3-inch Tensile According to ASTM D 882: 30 lbf, and 2500 psi.

2.04 WARNING LABELS AND SIGNS
A. Comply with CEC and 29 CFR 1910.145
B. Self-Adhesive Warning Labels: Factory printed, multicolor, pressure-sensitive adhesive labels, configured for display on front cover, door, or other access to equipment, unless otherwise indicated.

C. Warning label and sign shall include, but are not limited to, the following legends:

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. D. Baked-Enamel Warnings Signs:

4. Preprinted aluminum signs, punched or drilled for fasteners, with colors, legend, and size required for application.

5. 1/4 inch grommets in corners for mounting.

6. Nominal size, 7 inches by 10 inches E. Metal-Backed, Butyrate Warning Signs:

7. Weather-resistant, nonfading, preprinted, cellulose-acetate butyrate signs with 0.0396 inch galvanized-steel backing; and with colors, legend, and size required for application. 26 05 53

IDENTIFICATION FOR ELECTRICAL SYSTEMS
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8. 1/4 inch grommets in corners for mounting.

9. Nominal size, 10 inches by 14 inches

2.05 EQUIPMENT IDENTIFICATION NAMEPLATES
A. 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:
a. Normal power: Black, matte finish
b. Emergency power: Red, matte finish

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

6. Maximum temperature: Able to withstand up to 160 deg. F.

7. 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 #8- 18 x 1 /2 drilling or tapping style, 1/4 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.

2.06 LEGEND PLATES
A. Die-stamped legend plate with mounting hole and positioning key for panel mounted operator devices, i.e. motor control pilot devices, hand-off-auto switches, reset buttons, etc.

2.07 BRASS TAGS
A. 2 inch, 19 gauge, metal tags with die-stamped legend, punched for fastener.

2.08 PANELBOARD DIRECTORIES (400 AMP, OR LESS)
A. Directories: Minimum 6 inch by 8 inch circuit directory frame and card with clear plastic covering shall be provided inside the inner panel door.

B. Circuit numbering: Starting at the top, odd numbered circuits in sequence down the left hand side and even numbered circuits down the right hand side. Multi-section panelboards shall have continuous consecutive circuit numbers.

2.09 WIRE AND TERMINAL MARKERS
A. Provide self-adhering, pre-printed, machine printable or write-on, self-laminating vinyl wrap around strips. Blank markers shall be inscribed using the printer or pen recommended by Manufacturer for this purpose.

2.10 PAINTED IDENTIFICATION MATERIALS
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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 than3/4 inch high letters for access door signs and similar operational instructions.

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.

PART 3 - EXECUTION

3.01 PREPARATION
A. Clean piping and equipment surfaces of substances that could impair bond of identification devices, including dirt, oil, grease, release agents, and incompatible primers, paints, and encapsulants.

B. Coordination: Where identification is to be applied to surfaces which require insulation, painting or other covering or finish, install identification after completion of covering and painting. Install identification prior to installation of acoustical ceilings and similar removable concealment.

3.02 ELECTRICAL EQUIPMENT IDENTIFICATION
A. General: Install engraved plastic laminate sign or plastic equipment marker on or near each major item of electrical equipment and each operational device, as specified herein if not otherwise specified for each item or device.

B. Optional sign types: Where lettering larger than 1 inch height is needed for proper identification, because of distance from normal location of required identification, stenciled signs may be provided in lieu of engraved plastic, verify with Ownerís Representative.

C. Lettering size: Minimum 1/4 inch high lettering for name of unit where viewing distances less than 24 inches, 1/2 inch high for distances up to 6 feet, and proportionately larger lettering for greater distances. Provide secondary lettering of 2/3 to 3/4 of size of the principal lettering.

D. Plasticized tags: Where equipment to be identified is concealed above acoustical ceilings or similar concealment, use plasticized tags installed within concealed space to eliminate text in exposed sign (outside concealment). In rooms other than security area, mechanical rooms, storage, etc. use thumbtacks for exposed signs with color coded for each type of equipment.

Verify with Ownerís Representative.

3.03 LEGEND PLATES
A. Provide panel-mounted operators devices such as pilot lights, reset buttons, ìHAND-OFF-AUTOî switches, etc.

3.04 BRASS TAGS
A. Provide tags for individual ground conductors to exposed ground bus indicating connection, i.e. ìUFERî, ìCold Water Bondî, etc.

B. Provide tags for all feeder cables in underground vaults and pull boxes. 26 05 53

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C. Provide tags for empty conduits in underground vault, pull boxes, and stubs.

3.05 PANELBOARD DIRECTORIES (400 AMP, OR LESS)
A. Provide typewritten directories arranged in numerical order denoting loads served by room number or area for each circuit.

B. Verify room numbers or area designation with Ownerís Representative.

C. Mount panelboard directories in a minimum 6 inch by 8 inch metal frame under clear plastic cover inside every panelboard.

3.06 WIRE AND CABLE IDENTIFICATION
A. Provide wire markers on each conductor in panelboards, pull boxes outlet and junction boxes and at load connection. Identify with branch circuit or feeder number for power and lighting circuits and with control wire number as indicated on Manufacturerís shop drawings for control wiring.

B. Provide colored phase markers for conductors as noted in Section 26 05 19 Conductors and Cables. Apply colored, pressure sensitive plastic tape in half-lapped turns for a distance of 3 inches from terminal pointes and in boxes where splices or taps are made. Apply the last two laps of tape with no tension to prevent possible unwinding. Do not cover cable identification markings by taping.

3.07 UNDERGROUND CONDUIT MARKERS
A. During trench backfilling, for exterior underground power, signal and communications lines, install continuous underground plastic line marker, located directly above line at 6 inches to 8 inches below finished grade. Where multiple lines installed in a common trench or concrete envelope, do not exceed an overall width of 16 inches; install a single line marker.

3.08 JUNCTION BOX IDENTIFICATION
A. The cover of junction, pull, and connection boxes for both power and signal systems, located above suspended ceilings and below ceilings in non-public areas, shall be clearly marked with a permanent ink felt pen. Identify the circuits (panel designation and circuit numbers) contained in each box.

3.09 ADJUSTING AND CLEANING
A. Adjusting: Relocate any electrical identification device which has become visually blocked by Work of this Division or other Divisions.

B. Cleaning: Clean face of identification devices.

3.10 EXTRA STOCK
A. Furnish minimum of 5% extra stock of each electrical identification material required, including additional numbered valve tags (not less than 3) for each piping system, additional piping system identification markers, and additional plastic laminate engraving blanks of assorted sizes. 26 05 53

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1. Where stenciled markers are provided, clean and retain stencils after completion of stenciling and include used stencils in extra stock, along with required stock of stenciling paints and applicators.

END OF SECTION
26 05 73

POWER SYSTEM STUDIES
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PART 1 - GENERAL

1.01 SUMMARY
A. This Section includes computer-based, fault-current (short-circuit study) protective device evaluation study, coordination of protection devices and Arc Flash Risk Assessment. Protective devices shall be set based on results of the protective device coordination study. The final study will be generated based on the final electrical equipment submittals and the final pulled conductor lengths for all feeders.

B. Based on the findings of the final report, the electrical contractor shall adjust all required protective device settings based on the results of the protective device coordination and/or Arc Flash Risk Assessment.

C. The electrical contractor shall also install Arc Flash Risk (Incident Energy, Available Fault Current) labels on all switchboards, panelboards, disconnects, and transfer switches provided as part of the Arc Flash Risk Assessment.

1.02 SUBMITTALS
A. Submit in accordance with of Section 01 33 00 Shop Drawings, Product Data and Samples.

B. Product Data: For computer software program to be used for studies.

C. Product Certificates: For coordination-study and fault-current-study computer software programs, certifying compliance with IEEE 399.

D. Qualification Data: For coordination-study specialist.

E. Other Action Submittals: The following submittals shall be made after the approval process for system protective devices has been completed. Submittals shall be in digital form.

1. Coordination-study input data, including completed computer program input data sheets in MS Excel format, XLS.

2. Study and Equipment Evaluation Reports shall indicate worst-case scenario conditions and associated results.

3. Coordination-Study Report including computer generated Time-current Characteristic Curves (TCC).

4. Arc Flash Risk Assessment Report and Incident Energy with Available Fault Current Warning / Danger Labels

1.03 QUALITY ASSURANCE
A. Studies shall use computer programs that are distributed nationally and are in wide use. Software algorithms shall comply with requirements of standards and guides specified in this Section.

Software QA program shall comply with ISO 9000 with accredited certification agency such as UL. Manual calculations are not acceptable.

B. Coordination-Study Specialist Qualifications: A manufacturer or independent entity experienced in the application of computer software used for studies, having performed successful studies of similar magnitude on electrical distribution systems using similar devices. 26 05 73

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1. Professional engineer, licensed in the state where Project is located, shall be responsible for the study. All elements of the study shall be performed under the direct supervision and control of engineer.

C. At closeout two electronic copies of the computer software model shall be provided. Each copy on an independent flash drive.

1.04 REFERENCES
A. Institute of Electrical and Electronics Engineers (IEEE):
• IEEE 242 for short-circuits currents and coordination time intervals. • IEEE 399 for general study procedures.
• IEEE 141 ñ Recommended Practice for Electric Power Distribution and Coordination of Industrial and Commercial Power Systems
• IEEE 241 ñ Recommended Practice for Electric Power Systems in Commercial Buildings • IEEE 1015 ñ Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems.
• IEEE 1584 ñ Guide for Performing Arc Flash Hazard Calculations B. American National Standard Institute (ANSI):
• ANSI C57.12.00 ñ Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
• ANSI C37.13 ñ Standard for Low Voltage AC Power Circuit Breakers Used in Enclosures • ANSI C37.010 ñ Standard Application Guide for AC High Voltage Circuit Breakers Rated on a Symmetrical Current Basis
• ANSI C37.41 ñ Standard Design Tests for High Voltage Fuses, Distribution Enclosed SinglePole Air Switches, Fuse Disconnecting Switches and Accessories C. National Fire and Protection Association (NFPA):
• CEC ñ California Electrical Code (Latest Edition)
• NFPA 70E ñ Standard for Electrical Safety in the Workplace PART 2 - PRODUCTS

2.01 COMPUTER SOFTWARE DEVELOPERS
A. Available Computer Software Developers: Companies offering computer software programs that may be used in the Work include, but are not limited to, the following:

1. ETAP.

2. SKM Systems Analysis, Inc.
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3. Easy Power.

4. Or, Equal.

2.02 COMPUTER SOFTWARE PROGRAM REQUIREMENTS
A. Comply with IEEE 399.

B. Analytical features of fault-current-study computer software program shall include "mandatory," "very desirable," and "desirable" features as listed in IEEE 399.

C. Computer software program shall be capable of plotting and diagramming time-currentcharacteristic curves as part of its output. Computer software program shall report device settings and ratings of all overcurrent protective devices and shall demonstrate selective coordination by computer-generated, time-current coordination plots.

1. Optional Features:
a. Arcing faults.
b. Simultaneous faults.
c. Explicit negative sequence.
d. Mutual coupling in zero sequence.

PART 3 - EXECUTION

3.01 EXAMINATION
A. Examine Project overcurrent protective device submittals for compliance with electrical distribution system coordination requirements and other conditions affecting performance.

Devices to be coordinated are indicated on Drawings.

1. Proceed with coordination study only after relevant equipment submittals have been assembled. Overcurrent protective devices that have not been submitted and approved prior to coordination study may not be used in study.

3.02 POWER SYSTEM DATA
A. Contractor to gather and tabulate the following input data to support coordination study:

1. Product Data for overcurrent protective devices specified in other Division 26 Sections and involved in overcurrent protective device coordination studies. Use equipment designation tags that are consistent with electrical distribution system diagrams, overcurrent protective device submittals, input and output data, and recommended device settings.

2. Actual fault contribution or impedance of utility service entrance.

3. Maximum available fault current to the system from the utility service.

4. Electrical Distribution System Diagram: In hard-copy and electronic-copy formats, showing the following:
a. Circuit-breaker and fuse-current ratings and types.
b. Relays and associated power and current transformer ratings and ratios. c. Transformer kilovolt amperes, primary and secondary voltages, connection type, impedance, and X/R ratios.
d. Generator kilovolt amperes, size, voltage, and source impedance. e. Cables: Indicate conduit material, sizes of conductors, conductor material, insulation, and length.
f. Busway ampacity and impedance.
g. Motor horsepower and code letter designation according to NEMA MG 1.

5. Data sheets to supplement electrical distribution system diagram, cross-referenced with tag numbers on diagram, showing the following:
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a. Special load considerations, including starting inrush currents and frequent starting and stopping.
b. Transformer characteristics, including primary protective device, magnetic inrush current, and overload capability.
c. Motor full-load current, locked rotor current, service factor, starting time, type of start, and thermal-damage curve.
d. Generator thermal-damage curve.
e. Ratings, types, and settings of utility company's overcurrent protective devices. f. Special overcurrent protective device settings or types stipulated by utility company. g. Time-current-characteristic curves of all devices.
h. Manufacturer, frame size, interrupting rating in amperes rms symmetrical, ampere or current sensor rating, long-time adjustment range, short-time adjustment range, and instantaneous adjustment range for circuit breakers. i. Manufacturer and type, ampere-tap adjustment range, time-delay adjustment range, instantaneous attachment adjustment range, and current transformer ratio for overcurrent relays.
j. Panelboards, switchboards, motor-control center ampacity, and interrupting rating in amperes rms symmetrical.

3.03 FAULT-CURRENT STUDY
A. Calculate the maximum available short-circuit current in amperes rms symmetrical at circuitbreaker positions of the electrical power distribution system. The calculation shall be for a current immediately after initiation and for a three-phase bolted short circuit at each of the following:

1. Switchgear and switchboard bus.

2. Motor-control center.

3. Distribution panelboard.

4. Branch circuit panelboard.

B. Study electrical distribution system from normal and alternate power sources throughout electrical distribution system for Project. Include studies of system-switching configurations and alternate operations that could result in maximum fault conditions.

C. Calculate momentary and interrupting duties on the basis of maximum available fault current at each location:

1. Electric utilityís supply termination point

2. Incoming switchgear

3. Unit substation primary and secondary terminals

4. Low voltage switchgear

5. Motor control centers

6. Standby generators and automatic transfer switches

7. Branch circuit panelboards

8. Other significant locations throughout the system
D. Calculations to verify interrupting ratings of overcurrent protective devices shall comply with IEEE 241 and IEEE 242.

1. Transformers:
a. IEEE C57.96.

2. Low-Voltage Circuit Breakers: IEEE 1015 and IEEE C37.20.1.

3. Low-Voltage Fuses: IEEE C37.46.

E. Study Report:

1. Show calculated X/R ratios and equipment interrupting rating (1/2-cycle) fault currents on electrical distribution system diagram.
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2. One-line diagram of the system being evaluated with available fault at each bus

3. Typical calculation examples.

F. Equipment Evaluation Report:

1. For devices and equipment rated for asymmetrical fault current, apply multiplication factors listed in the standards to 1/2-cycle symmetrical fault current.

2. Verify adequacy of phase conductors at maximum three-phase bolted fault currents; verify adequacy of equipment grounding conductors and grounding electrode conductors at maximum ground-fault currents. Ensure that short-circuit withstand ratings are equal to or higher than calculated 1/2-cycle symmetrical fault current.

3.04 COORDINATION STUDY
A. Perform coordination study using approved computer software program. Prepare a written report using results of fault-current study. Comply with IEEE 399.

1. Calculate the maximum and minimum 1/2-cycle short circuit currents.

B. Comply with IEEE 242 recommendations for fault currents and time intervals.

C. Transformer Primary Overcurrent Protective Devices:

1. Device shall not operate in response to the following:
a. Inrush current when first energized.
b. Self-cooled, full-load current or forced-air-cooled, full-load current, whichever is specified for that transformer.
c. Permissible transformer overloads according to IEEE C57.96 if required by unusual loading or emergency conditions.

2. Device settings shall protect transformers according to IEEE C57.12.00, for fault currents.

D. Conductor Protection: Protect cables against damage from fault currents according to ICEA P32-382, ICEA P-45-482, and conductor melting curves in IEEE 242. Demonstrate that equipment withstands the maximum short-circuit current for a time equivalent to the tripping time of the primary relay protection or total clearing time of the fuse. To determine temperatures that damage insulation, use curves from cable manufacturers or from listed standards indicating conductor size and short-circuit current.

E. Coordination-Study Report: Prepare a written report indicating the following results of coordination study:

1. Tabular Format of Settings Selected for Overcurrent Protective Devices:
a. Device tag.
b. Relay-current transformer ratios; and tap, time-dial, and instantaneous-pickup values.
c. Circuit-breaker sensor rating; and long-time, short-time, and instantaneous settings. d. Fuse-current rating and type.
e. Ground-fault relay-pickup and time-delay settings.

2. Coordination Curves: Prepared to determine settings of overcurrent protective devices to achieve selective coordination. Graphically illustrate that adequate time separation exists between devices installed in series, including power utility company's upstream devices.

Prepare separate sets of curves for the switching schemes and for emergency periods where the power source is local generation. Show the following information:
a. Device tag.
b. Voltage and current ratio for curves.
c. Three-phase and single-phase damage points for each transformer. d. No damage, melting, and clearing curves for fuses.
e. Cable damage curves.
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f. Transformer inrush points.
g. Maximum fault-current cutoff point.

F. Completed data sheets for setting of overcurrent protective devices.

3.05 ARC FLASH RISK ASSESSMENT
A. Perform Arc Flash analysis according to the IEEE 1584 guidelines and equations presented in NFPA 70E-2015, Annex D. Analysis shall be performed in conjunction with Short Circuit analysis and Protective Device Time-Current Coordination analysis.

B. Incident Energy and Flash protection boundary shall be calculated at all locations where energized work could be performed such as switchboards, switchgear, motor control centers, panel boards, busway and tiebreakers.

C. Working distances shall be based on IEEE 1584. The calculated arc flash protection boundary shall be determined using those working distances.

D. Calculations must be performed to represent the maximum and minimum contributions of fault current magnitude for normal and emergency operating conditions The incident energy must be calculated for the following scenarios (if applicable):

1. Full contribution from utility service with full motor load

2. Arcing Current Variation Correction Factor for utility service with full motor load

3. Full contribution from utility service with no motor load

4. Arcing Current Variation Correction Factor for utility service with no motor load

5. Full contribution from standby generator with full motor load

6. Arcing Current Variation Correction Factor for standby generator with full motor load

7. Full contribution from standby generator with no motor load

8. Arcing Current Variation Correction Factor for standby generator with no motor load

9. Full contribution from utility service and parallel generators with full motor load

10. Arcing Current Variation Correction Factor for utility service and parallel generators with full motor load

11. Full contribution from utility service and parallel generators with no motor load

12. Arcing Current Variation Correction Factor for utility service and parallel generators with no motor load
E. Multiple system configurations and operating conditions shall be considered and greatest incident energy must be selected for each equipment location.

1. Provide a tabular view report of all configurations and operating conditions used

2. Provide calculation methods and assumptions including any adjustments used when considering resistance and impedance tolerances.

F. When applicable, Utility Minimum and Maximum contributions should be considered.

Calculations shall also take into consideration the maximum let through fault current of the utility transformer, the parallel operation of local generators with utility source as well as any stand-by generators.

G. Include scenarios when the main source protective devices are or are not adequately isolated from the bus and may fail to operate or be capable of de-energizing the arc fault before it escalates into a line-side arc fault.

H. Arc flash computation shall include both line and load side of main breaker calculations, where necessary.
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I. The Arc flash analysis shall include all 480-volt, 240-volt, and 208-volt locations.

J. Arc Flash Risk Assessment report:

1. Arc Flash reports shall compare results from the various arc flash hazard assessments and be capable of filtering the ìworst caseî Arc Flash analysis results coming from different scenarios in a single table report.

2. Provide a report in a tabulated format that displays the sequence of operation of protective devices during an arc fault.

3. Recommendations for arc flash energy reduction including the use of arc reduction maintenance switches, current limiting fuses, replacement of overcurrent protective devices and/or trip units, or replacement of equipment with arc resistant or preventative designs.

K. Arc Flash Warning Labels:

1. Contractor shall provide a Durable 3.5 in. x 5 in. thermal transfer type label of high adhesion polyester for each work location analyzed.

2. All labels will be based on recommended overcurrent device settings and will be provided after the results of the analysis have been presented to the Company and after any system changes, upgrades or modifications have been incorporated into the system.

3. The label shall include the following information, at a minimum:
a. Location
b. Nominal voltage
c. Flash protection boundary
d. Available Fault Current
e. Incident energy
f. Working distance
g. Engineering study number, revision number and issue date

4. Arc Flash warning label sample is shown below:

5. Labels shall be machine printed, with no field markings.

6. Arc flash labels shall be provided in the following manner and all labels shall be based on recommended overcurrent device settings.
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a. For each 600, 480 and applicable 208 volt panelboard, one arc flash label shall be provided for each section
b. For each motor control center, one arc flash label shall be provided for each section c. For each low voltage switchboard, one arc flash label shall be provided for each section
d. For each switchgear, one flash label shall be provided for each section e. For each transformer disconnect switch and motor disconnect switch, one arc flash label shall be provided
f. For medium voltage switches, one arc flash label shall be provided

7. Labels shall be installed by the engineering services division of the Company under the Startup and Acceptance Testing contract portion.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. Section Includes:

1. Indoor occupancy sensors.

B. Related Requirements:

1. Division 26 Section "Wiring Devices" for wall-box dimmers, wall-switch occupancy sensors, and manual light switches.

1.03 ACTION SUBMITTALS
A. Product Data: For each type of product.

1.04 INFORMATIONAL SUBMITTALS
A. Field quality-control reports.

1.05 CLOSEOUT SUBMITTALS
A. Operation and Maintenance Data: For each type of lighting control device to include in emergency, operation, and maintenance manuals.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Network addressable lighting control system:
a. Wattstopper ìDLMî.
b. Acuity ìnLightî.
c. Douglas ìDialogî.
d. ETC ìEchoî.
e. Eaton ìGreengate Room Controllerî.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

2.02 GENERAL
A. The lighting control system shall be standalone with no central control software. Lighting components shall tie together and communicate directly with each other as required for the device type.

B. Control stations, occupancy sensors, and daylight sensors shall tie into dimming and relay modules to control luminaires.
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C. The control parameters shall be set within each device, either as dip switches or dials on the device itself or with handheld or computer-based commissioning tools. The parameters remain set until they are manually changed.

D. Daylight sensors shall rationalize changes to light levels when daylight is available and shall maintain a steady light level when subjected to fluctuating ambient conditions.

E. Where required in a sequence of operation an astronomical time clock function shall be integrated into the control modules or relay panels.

F. During an emergency condition (loss of normal power), the system shall not impede the emergency lighting to function properly, i.e. the control system shall control emergency lighting to turn on at full light output and lock out user controls.

G. The control system shall allow occupancy sensor, when relaying a vacant status to either turn lights off or dim lights to a preset level.

H. The control system components shall comply with the latest edition of the California Building Energy Efficiency Standards, California Building Code, Part 6 and be certified by The California Energy Commission.

2.03 LIGHTING CONTROL MODULES
A. General:

1. Lighting control modules provide an interface between the control system and luminaires.

Modules take inputs from the system and convert the commands through the power and control wiring to the fixture providing ìON/OFF/DIMMINGî functions.

2. Lighting control modules contain a 16amp minimum rated relay(s) for ìON/OFFî control as well as a 0-10volt dimming signal. Modules shall also have the capability of two wire phase dimming (MLV or ELV).

3. In the event of a power failure, control modules connected to luminaires shall default to the ìonî state at full light output.

B. The following lighting control modules shall be available with the system, at a minimum:

1. Single zone 0-10volt control module with a relay.

2. Multi-zone 0-10volt control module with one relay per 0-10volt zone (ìRoom Controllerî).

3. Single zone two wire dimming module (Incandescent, MLV, or ELV) with a relay.

4. Multi-zone two wire dimming module (Incandescent, MLB, or ELV with one relay per zone (ìRoom controllerî)
C. Mounting:

1. Single zone modules shall have a ½î nipple to mount directly to a ½î knockout on a junction box.

2. Multi-zone modules shall mount stand alone or onto a 4 square junction box.

2.04 PLUG LOAD CONTROL MODULES
A. General:

1. Plug load Control modules provide an interface between the control system and controlled outlets. Modules take inputs from the system and convert the commands through the power wiring to the receptacle(s) being controlled.

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B. Mounting:

1. Modules shall have a ½î nipple to mount directly to a ½î knockout on a junction box.

2.05 CONTROL STATIONS
A. General:

1. The controllers are configurable wall mounted devices that provide local ìON/OFF/DIMMINGî control to lighting zones.

2. Each device can be set-up and modified through the control systems software interface.

B. Dimmer switch controller:

1. Software configurable dimmer switch that provides ìON/OFFî switching and the capability to dim.

2. Dimming to be continuous over the full range of the driver or ballast it is controlling.

C. Dimming scene controller:

1. Multi-button controller allowing the end user to recall zones or scenes for ìON/OFF/DIMMINGî control.

2. Scenes are made up of multiple zones, where each zone is dimmed to a specific light output.

3. Scene configuration can be changed via control systems software.

4. The scene controller shall also allow for a custom labeling feature that allows scene labels on the controller to be easily modified.

D. Specifics:

1. Mounting:
a. Controllers utilize a standard single-gang device strap configuration for ease in mounting. Where multiple controllers are ganged together, they shall allow for a single multi-gang cover plat to be used.
b. Mounts to standard switch box or cut-in ring.

2. Controllers shall tie to the system in one of the following ways:
a. Hardwired low voltage, wiring and connections per manufacturerís requirements. b. Wireless with a 10-year minimum battery life. Mechanically triggered wireless switches shall not be allowed unless approved by The Owner.

2.06 OCCUPANCY SENSOR
A. General:

1. Occupancy sensors shall automatically detect movement within a space, reporting the state of occupancy to the control modules for ìON/OFF/DIMMINGî control of lighting zones and ìON/OFFî control of the controlled receptacle circuits within that space.

2. All setpoints for the occupancy sensor shall be accessible on the device or through the commissioning tool.

3. Sensors shall capable of being linked together via hard wired connections to provide a larger coverage area.

4. Provide enough occupancy sensors as required for complete area coverage they are installed in, regardless of how many sensors are shown on the Drawings.

B. Specifics:

1. Sensor shall have a coverage of 1,000 square feet. Manufacturer to provide additional sensors if coverage is less than 1,000 square feet.

2. Sensors shall be infrared or dual technology or microphonic. Dual technology sensors shall be capable of disabling either infrared or ultrasonic sensing. 26 09 23

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2.07 DAYLIGHT SENSOR
A. General:

1. Daylight sensors shall automatically measure the amount of ambient light within a space, reporting the state of occupancy to the control modules for ìON/OFF/DIMMINGî control of lighting zones.

2. Setpoints for the sensors shall be adjusted directly on the device or through commissioning tool. The setpoints refer to the range at which electric lighting will dim in response to the amount of light the sensor detects.

3. Daylight sensors shall continuously monitor the ambient light level.

4. Interior daylight sensors shall operate on a ìclosed loopî protocol, measuring both daylight and electric light contributions.

5. Exterior daylight sensors shall operate on an ìopen loopî protocol, measuring only daylight contributions.

B. Specifics:

1. Sensor shall mount directly to any surface, no junction box required.

2. Integrated sensors on luminaires shall be installed at the lighting manufacturerís factory.

3. Sensors shall tie to the system in one of the following ways:
a. Hardwired low voltage, wiring and connections per manufacturerís requirements. b. Wireless with a 10-year minimum battery life.

4. Exterior sensors shall be outdoor rated.

2.08 RELAY PANEL
A. Addressable relay panel that fully integrates with the addressable control system, consisting of individual relays, control module, power supplies, network connection interface, etc.

B. Cabinet: NEMA 1 enclosure sized to accept the quantity of relays as noted on the Drawings.

C. Control relays: Heavy-duty momentary pulsed mechanically latching contactors. Operating voltage is 24volt AC; contacts are rated at 20amp at 120 or 277volt AC. Power supply:
120/277volt AC input transformer with 24volt AC, 60Hz, 1.6amp (40 VA) Class II power supplies output.

D. Network connection: Per manufacturer.

E. Panel shall be UL924 rated. Systems which integrate a UL924 sensing module for the entire panel or system shall not require the panel to be UL924 rated.

F. Panel shall allow for barriers between voltage classes, 120volt, 277volt, normal, and emergency.

2.09 EMERGENCY BYPASS RELAYS
A. General:

1. System manufacturer shall provide emergency bypass relays as shown on the Drawings.

2. The bypass relay device shall take an uncontrolled normal sensing hot, uncontrolled emergency hot, and controlled normal circuit as inputs.

3. The device shall bypass the controlled normal hot and control signal at the loss of power from the normal sensing hot and allow the uncontrolled emergency hot to power the downstream luminaires.
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4. The device shall be capable of accepting a 0-10volt control signal and breaking if the downstream fixtures are 0-10volt controlled.

B. Specifics:

1. Mounting: directly onto a junction box or integral to the luminaire.

2. UL924 rated for switched and dimmed loads.

3. Where more than six bypass relays are located in a central location provide an enclosure to mount all devices.

2.10 EMERGENCY TRANSFER DEVICE
A. General:

1. System manufacturer shall provide emergency transfer devices as shown on the Drawings.

2. The transfer devices shall take an uncontrolled normal sensing hot, uncontrolled emergency hot, and controlled normal circuit as inputs.

3. The device shall transfer be an open transition ìmake before breakî type. The normal controlled circuit shall transfer to emergency circuit at the loss of power from the normal sensing hot and allow the uncontrolled emergency hot to power the downstream luminaires.

4. The device shall be capable of accepting a 0-10volt control signal and breaking if the downstream fixtures are 0-10volt controlled.

B. Specifics:

1. Mounting: directly onto a junction box.

2. UL1008 rated for switched and dimmed loads.

3. Where more than six transfer devices are located in a central location, provide either an enclosure or panel housing to mount all devices within.

2.11 DEVICE COMMUNICATION CABLING
A. General:

1. The device communication cabling integrates devices such as occupancy sensors, photocell sensors, control modules and control stations with each other to provide a complete standalone system.

2. The network communication cabling provides low-voltage power to all devices on the network, eliminating the need for external power supplies and power packs for devices such as occupancy sensors. Where a device requires 120volt power it shall be noted on the submittal.

3. Cabling shall be topology free.

4. Cabling shall be plenum rated.

2.12 OCCUPANCY SENSOR
A. General Requirements for Sensors: Wall- or ceiling-mounted, solid-state indoor occupancy sensors with a separate power pack.

1. Listed and labeled as defined in CEC, by a qualified testing agency, and marked for intended location and application.

2. Operation: Unless otherwise indicated, turn lights on when coverage area is occupied, and turn them off when unoccupied; with a time delay for turning lights off, adjustable over a minimum range of 1 to 15 minutes.

3. Sensor Output: Contacts rated to operate the connected relay, complying with UL 773A.

Sensor is powered from the power pack.
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4. Power Pack: Dry contacts rated for 20-A ballast load at 120- and 277-V ac, for 13-A tungsten at 120-V ac, and for 1 hp at 120-V ac. Sensor has 24-V dc, 150-mA, Class 2 power source, as defined by CEC.

5. Mounting:
a. Sensor: Suitable for mounting in any position on a standard outlet box. b. Relay: Externally mounted through a 1/2-inch knockout in a standard electrical enclosure.
c. Time-Delay and Sensitivity Adjustments: Recessed and concealed behind hinged door.

6. Indicator: Digital display, to show when motion is detected during testing and normal operation of sensor.

7. Bypass Switch: Override the "on" function in case of sensor failure.

B. Dual-Technology Type: Ceiling mounted; detect occupants in coverage area using PIR and ultrasonic detection methods. The particular technology or combination of technologies that control on-off functions is selectable in the field by operating controls on unit.

1. Sensitivity Adjustment: Separate for each sensing technology.

2. Detector Sensitivity: Detect occurrences of 6-inch-minimum movement of any portion of a human body that presents a target of not less than 36 sq. in., and detect a person of average size and weight moving not less than 12 inches in either a horizontal or a vertical manner at an approximate speed of 12 inches/s.

3. Detection Coverage (Standard Room): Detect occupancy anywhere within a circular area of 1000 sq. ft. when mounted on a 96-inch-high ceiling.

2.13 SWITCHBOX-MOUNTED OCCUPANCY SENSORS
A. Manufacturers: Subject to compliance with requirements, provide products by the following:

1. Cooper Industries, Inc.

2. Hubbell Building Automation, Inc.

3. Lithonia Lighting; Acuity Lighting Group, Inc.

4. Sensor Switch, Inc.

5. Watt Stopper.

B. General Requirements for Sensors: Automatic-wall-switch occupancy sensor, suitable for mounting in a single gang switchbox.

1. Listed and labeled as defined in CEC, by a qualified testing agency, and marked for intended location and application, and shall comply with California Title 24.

2. Operating Ambient Conditions: Dry interior conditions, 32 to 120 deg F.

3. Switch Rating: LED
C. Wall-Switch Sensor:

1. Standard Range: 180-degree field of view, field adjustable from 180 to 40 degrees; with a minimum coverage area of 2100 sq. ft.

2. Sensing Technology: Dual technology - PIR and ultrasonic.

3. Switch Type: SP, manual "on," automatic "off.

4. Voltage: Match the circuit voltage; dual-technology type.

5. Ambient-Light Override: Concealed, field-adjustable, light-level sensor from 10 to 150 fc.

The switch prevents the lights from turning on when the light level is higher than the set point of the sensor.

6. Concealed, field-adjustable, "off" time-delay selector at up to 30 minutes.

7. Concealed "off" time-delay selector at 30 seconds, and 5, 10, and 20 minutes.

8. Adaptive Technology: Self-adjusting circuitry detects and memorizes usage patterns of the space and helps eliminate false "off" switching.
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PART 3 - EXECUTION

3.01 SENSOR INSTALLATION
A. Coordinate layout and installation of ceiling-mounted devices with other construction that penetrates ceilings or is supported by them, including light fixtures, HVAC equipment, smoke detectors, fire-suppression systems, and partition assemblies.

B. Install and aim sensors in locations to achieve not less than 90 percent coverage of areas indicated. Do not exceed coverage limits specified in manufacturer's written instructions.

3.02 CONTRACTOR INSTALLATION
A. Mount electrically held lighting contactors with elastomeric isolator pads to eliminate structureborne vibration, unless contactors are installed in an enclosure with factory-installed vibration isolators.

3.03 WIRING INSTALLATION
A. Wiring Method: Comply with Division 26 Section "Low-Voltage Electrical Power Conductors and Cables.

B. Wiring within Enclosures: Comply with NECA 1. Separate power-limited and nonpower-limited conductors according to conductor manufacturer's written instructions.

C. Size conductors according to lighting control device manufacturer's written instructions unless otherwise indicated.

D. Splices, Taps, and Terminations: Make connections only on numbered terminal strips in junction, pull, and outlet boxes; terminal cabinets; and equipment enclosures.

3.04 IDENTIFICATION
A. Identify components and power and control wiring according to Division 26 Section "Identification."

1. Identify circuits or luminaires controlled by photoelectric and occupancy sensors at each sensor.

3.05 FIELD QUALITY CONTROL
A. Manufacturer's Field Service: Engage a factory-authorized service representative to test and inspect components, assemblies, and equipment installations, including connections. This shall be included in the contractor bid.

B. Perform the following tests and inspections with the assistance of a factory-authorized service representative:

1. Operational Test: After installing time switches and sensors, and after electrical circuitry has been energized, start units to confirm proper unit operation.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

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D. Prepare test and inspection reports.

3.06 ADJUSTING
A. Occupancy Adjustments: When requested within 12 months from date of Substantial Completion, provide on-site assistance in adjusting sensors to suit actual occupied conditions. Provide up to two visits to Project during other-than-normal occupancy hours for this purpose.

1. For occupancy and motion sensors, verify operation at outer limits of detector range. Set time delay to suit Owner's operations.

3.07 DEMONSTRATION
A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain lighting control devices.

B. Factory authorized service representative shall conduct two initial 4-hour training sessions for Owner's Maintenance Personnel upon completion and acceptance of system. Provide one 4- hour follow-up training session to be scheduled by Owner within one year of the final date of the final initial training session. Instructions shall include operation, maintenance, and testing of equipment with both classroom training and hands-on instruction. The agenda for the second session will be by Owner.

C. Contractor shall provide a training video.

D. Contractor shall schedule training with a minimum of 7-days advance notice.

END OF SECTION
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PART 1 - GENERAL

1.01 SCOPE
A. This Section includes the following types of dry-type transformers rated 600 V and less, with capacities up to 1000 kVA:

1. Distribution transformers.

1.02 RELATED SECTIONS
A. Division 03 Concrete
B. Section 26 05 19 Low Voltage Electrical Power Conductors and Cables C. Section 26 05 26 Grounding and Bonding for Electrical Systems D. Section 26 05 48 Vibration and Seismic Controls for Electrical Systems E. Section 26 05 53 Identification for Electrical Systems

1.03 DEFINITIONS
A. IEEE: Institute of Electrical Electronic Engineers
B. CEC: California Electrical Code.

C. NETA: International Electrical Testing Association
D. NRTL: Nationally Recognized Testing Laboratory
E. NEMA: National Electrical Manufacturerís Association F. UL: Underwriterís Laboratory
G. ASTM B 3: Standard Specification for Soft or Annealed Copper Wire H. ASTM B 33: Standard Specification for Tinned Soft or Annealed Copper Wire

1.04 SUBMITTALS
A. Submit in accordance with of Section 01 33 00 Shop Drawings, Product Data and Samples.

B. Product Data: Include rated nameplate data, capacities, weights, dimensions, minimum clearances, devices and features, and performance for each type and size of transformer indicated.
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C. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

1. Wiring Diagrams: Power, signal, and control wiring.

D. Transformer location layouts: When there is a substitution of the transformer specified the Contractor shall provide a detailed floor plan with the layout of the electrical equipment to validate that the substituted transformer dimensions can be accommodated without changes to the room size.

E. Manufacturer Seismic Qualification Certification: Submit certification that transformers, accessories, and components will withstand seismic forces defined in Section 260548 Section Vibration and Seismic Controls. Include the following:

1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation.

2. The term "withstand" means "the unit will remain in place without separation of any parts from the device when subjected to the seismic forces specified."

3. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions.

4. Detailed description of equipment anchorage devices on which the certification is based and their mounting requirements.

F. Qualification Data: For testing agency.

G. Source quality-control test reports.

H. Field quality-control test reports.

I. Operation and Maintenance Data: For transformers to include in emergency, operation, and maintenance manuals.

J. Warranty: See Article 1.7 Warranty

1.05 QUALITY ASSURANCE
A. Testing Agency Qualifications: NETA certified for on site testing.

B. Source Limitations: Obtain each transformer type through one source from a single manufacturer.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

D. Comply with IEEE C57.12.91, "Test Code for Dry-Type Distribution and Power Transformers."

1.06 COORDINATION
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A. Coordinate size and location of concrete bases with actual transformer provided. Cast anchorbolt inserts into bases. Concrete, reinforcement, and formwork requirements are specified in Section 032000 Concrete Reinforcing.

1.07 WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace devices that fail in materials or workmanship within specified warranty period.

1. Warranty Period: Two years from date of Notice of Completion.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Manufacturer:

1. Schneider, Square D

2. ABB/ General Electric.

3. Eaton Electrical Inc.

4. Siemens.

B. Substitutions: Under provisions of Section 26 05 00

2.02 GENERAL TRANSFORMER REQUIREMENTS
A. Description: Factory-assembled and -tested, air-cooled units for 60-Hz service.

1. Provide with Rodent screens.

B. Cores: Grain-oriented, non-aging silicon steel.

C. Coils: Continuous windings without splices except for taps.

1. Internal Coil Connections: Brazed or pressure type.

2. Coil Material: Copper, unless otherwise noted on the drawings.

D. Basic impulse level (BIL): 10 kV for transformers 600V and less.

E. Transformers shall have an efficiency compliant with the U.S. Department of Energy (DOE) final rule for the Distribution Transformers Energy Conservation Standard Rulemaking, 78 FR 23335 (April 18, 2013). Transformers built prior to January 1, 2016 will not be considered acceptable unless efficiency compliance documentation is submitted verifying transformer efficiency meets or exceeds the January 1, 2016 energy efficiency levels listed in DOE 78 FR 23335 (April 18, 2013).

F. Transformers shall be designed to limit inrush current to 12-times (12x) the base rated full load current or less.

G. Grounding: Ground core and coil assembly to enclosure by means of a visible flexible copper strap.

2.03 DISTRIBUTION TRANSFORMERS
A. Comply with NEMA ST 20, and list and label as complying with UL 1561.

B. Cores Construction:
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1. High grade, non-aging, silicon steel, clamped with structural angles and bolted to the transformer enclosure on vibration isolating pads.

2. One leg per phase.

C. Coil Construction:

1. Continuous wound with copper wire, without splices except for taps.

2. Pressure type, primary, secondary and tap connections.

3. End fillers or tie downs for maximum strength.

4. Vacuum impregnated with non-hygroscopic, thermosetting varnish.

5. All connections shall be accessible from the front of the transformer to allow rear of transformer to be positioned within six inches of the adjacent wall.

6. Isolate core and coil from enclosure using vibration-absorbing mounts.

D. Enclosure: Ventilated switchboard type, NEMA 250, Type 3R located outdoors and Type 2 located indoors.

1. Material: Code gauge steel.

2. Manufacturers nameplate: Include transformer connection data and overload capacity based on rated allowable temperature rise.

3. Type: Provide NEMA type as indicated on Drawings or specified herein, drip-proof, selfbracing enclosure designed to prevent accidental contact with electrically energized parts unless otherwise noted.

4. Mounting: Transformers 75 kVA and less shall be suitable for wall, floor, frame, or trapeze mounting. Transformers larger than 75 kVA shall be suitable for floor mounting.

5. Finish: Clean, degrease, zinc-phosphate, prime and finish paint steel parts with a bakedon synthetic enamel, ANSI 61 (light gray).

6. Size: Dimensions and configurations shall conform to the spaces allocated on the Drawings.

7. Core and coil shall be encapsulated within resin compound, sealing out moisture and air.

8. Provide enclosure with rodent screens for all locations.

9. Provide with drip shields when outdoors.

E. Transformer Enclosure Finish: Comply with NEMA 250.

1. Finish Color: Standard factory finish ANSI gray..

F. Taps for Transformers Smaller Than 3 kVA: None
G. Taps for Transformers 7.5 to 24 kVA: Two 5 percent taps below rated voltage.

H. Taps for Transformers 25 kVA and Larger: Two 2.5 percent taps above and four 2.5 percent taps below normal full capacity.

I. Insulation Class:

1. 220 deg C, UL-component-recognized insulation system with a maximum of 150 deg C rise above 40 deg C ambient temperature unless listed otherwise in the drawings.

2. Case temperature shall not exceed 40-degrees centigrade rise above ambient at its warmest point.

3. Provide insulating materials that are in accordance with the latest addition of NEMA ST20 Standards for a 220-degree centigrade, UL component recognized insulation system for extended life.
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J. Energy Efficiency for Transformers Rated 15 kVA and Larger:

1. Transformers shall have energy efficiencies that meet or exceed the latest requirements of the US Department of Energyís Candidate Standard Level Three (CSL-3) efficiency, with extremely low no load losses.

2. Transformers shall be designed to an efficiency standard higher than the latest requirements of the California Code of regulations Title 20 and Title 24 and DOE 2016.

3. Tested according to NEMA TP 2.

K. Electrostatic Shielding: Each winding shall have an independent, single, full-width copper electrostatic shield arranged to minimize interwinding capacitance.

1. Arrange coil leads and terminal strips to minimize capacitive coupling between input and output terminals.

2. Include special terminal for grounding the shield.

3. Shield Effectiveness:
a. Capacitance between Primary and Secondary Windings: Not to exceed 33 picofarads over a frequency range of 20 Hz to 1 MHz.
b. Common-Mode Noise Attenuation: Minimum of minus 120 dBA at 0.5 to 1.5 kHz; minimum of minus 65 dBA at 1.5 to 100 kHz.
c. Normal-Mode Noise Attenuation: Minimum of minus 52 dBA at 1.5 to 10 kHz.

2.04 Low-Sound-Level Requirements: Minimum of 3 dBA less than NEMA ST 20 standard sound levels when factory tested according to IEEE C57.12.91.

A. Low-Sound-Level Requirements: Maximum sound levels, when factory tested according to IEEE C57.12.91, as follows:

1. 9 kVA and Less: 40 dBA

2. 10 to 50 kVA: 45 dBA

3. 51 to 150 kVA: 50 dBA

4. 151 to 300 kVA: 55 dBA

5. 301 to 500 kVA: 60 dBA

6. 501 to 750 kVA: 62 dBA

7. 751 to 1000 kVA: 64 dBA

2.05 IMPEDANCE
A. Transformer impedance shall conform to NEMA standards. Do not use low impedance type transformers unless the circuits and equipment affected by the larger short circuit currents through such transformers are increased in short circuit current ratings, as required, at no additional cost to the Owner.

B. The following impedance are used as our basis of design:

1. Single phase transformers:
a. Up to 15 kVA: 6.1Z
b. 16 to 25 kVA: 5.0Z
c. 26 to 37.5 kVA: 4.0Z
d. 38 to 50 kVA: 3.8Z
e. 76 to 100 kVA: 4.9Z
f. 101 to 167 kVA: 5.4Z
g. 168 to 333 kVA: 5.5Z
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2. Three phase transformers:
a. 15 kVA: 6.4Z
b. 25 kVA: 5.8Z
c. 30 kVA: 5.2Z
d. 37.5 kVA: 5.5Z
e. 45 kVA: 5.0Z
f. 75 kVA: 4.7Z
g. 112.5 kVA: 5.1Z
h. 150 kVA: 5.3Z
i. 225 kVA: 5.7Z
j. 500 kVA: 5.7Z

2.06 IDENTIFICATION DEVICES
A. Nameplates: Engraved, laminated-plastic or metal nameplate for each distribution / buck-boost transformer, mounted with corrosion-resistant screws. Nameplates and label products are specified in Section 260553 Identification.

2.07 SOURCE QUALITY CONTROL
A. Test and inspect transformers according to IEEE C57.12.91.

B. Factory Sound-Level Tests: Conduct sound-level tests on equipment for this Project.

PART 3 - EXECUTION

3.01 EXAMINATION
A. Examine conditions for compliance with enclosure- and ambient-temperature requirements for each transformer.

B. Verify that field measurements are as needed to maintain working clearances required by CEC and manufacturer's written instructions.

C. Examine walls, floors, roofs, and concrete bases for suitable mounting conditions where transformers will be located.

D. Verify that ground connections are in place and requirements in Section 26 05 26 Grounding and Bonding have been met. Maximum ground resistance shall be 5 ohms at location of transformer.

E. Proceed with placement only after unsatisfactory conditions have been corrected.

3.02 PLACEMENT
A. Construct concrete bases and anchor floor-mounting transformers according to manufacturer's written instructions, seismic codes applicable to Project, and requirements in Section 26 05 48 Vibration and Seismic Controls.
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3.03 CONNECTIONS
A. Ground equipment according to Section 26 05 26 Grounding and Bonding for Electrical Systems B. Connect wiring according to Section 26 05 19 Conductors and Cables.

1. Torque connections per manufacturerís listed specifications. In the absence of manufacturerís torque specifications use torque values recommended by NETA/ANSI.

2. Provide all transformers with lugs for both primary and secondary conductor sizes for conductors indicated on Drawing. Connect lug to termination point with appropriate size bolt, nut flat and Belleville washers.

3. Provide high-pressure compression lugs, for primary and secondary phase and neutral terminations for transformers 45 kVA and larger. Utilize only the tool and dies designed for uses in installing the lugs provided.

4. Use flexible conduit indoors in dry locations or liquid-tight flexible conduit in damp/wet locations, two-foot minimum in length, for primary and secondary connections to transformer case. Make connections to side panels of enclosure, except for floor mounted transformers fed from directly below enclosure.

3.04 GROUNDING
A. Provide copper terminal bar for grounding and bonding the transformer in accordance with CEC Article 450.10. Bond the terminal bar to the enclosure and connect the following to the terminal bar:

1. Primary feeder equipment grounding conductor.

2. Secondary feeder supply side bonding conductor(s).

3. Grounding electrode conductor.

4. Main bond jumper to neutral (when present).

3.05 IDENTIFICATION
A. Nameplates: Engraved, laminated-plastic or metal nameplate for each transformer, mounted with corrosion-resistant screws. Nameplates and label products are specified in Section 26 05 53 "Identification for Electrical Systems."

1. Nameplates to include primary power source and the secondary load.

3.06 FIELD QUALITY CONTROL
A. Independent Testing Agency: Contractor shall arrange and pay for the services of an independent Testing Agency to perform all quality control electrical testing, calibration and inspection required herein. Independent Testing Agency shall meet the requirements as outlined in Section 260010: Basic Electrical Requirements. Testing Agencies objectives shall be to:

1. Assure transformer installation conforms to specified requirements and operates within specified tolerances.

2. Field test and inspect to ensure operation in accordance with Manufacturer's recommendations and Specifications.

3. Prepare final test report including results, observations, failures, adjustments, and remedies.

4. Apply label on transformer upon satisfactory completion of tests and results.

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B. .Tests and Inspections:

1. Perform each visual and mechanical inspection and electrical test stated in NETA Acceptance Testing Specification. Certify compliance with test parameters.

C. Remove and replace units that do not pass tests or inspections and retest as specified above.

D. Test Labeling: On completion of satisfactory testing of each unit, attach a dated and signed "Satisfactory Test" label to tested component.

3.07 ADJUSTING
A. Record transformer secondary voltage at each unit for at least 48 hours of typical occupancy period. Adjust transformer taps to provide optimum voltage conditions at secondary terminals.

Optimum is defined as not exceeding nameplate voltage plus 10 percent and not being lower than nameplate voltage minus 3 percent at maximum load conditions. Submit recording and tap settings as test results.

B. Output Settings Report: Prepare a written report recording output voltages and tap settings.

3.08 CLEANING
A. Vacuum dirt and debris; do not use compressed air to assist in cleaning.

END OF SECTION
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PART 1 - GENERAL

1.01 SUMMARY
A. Section Includes:

1. Service and distribution switchboards rated 600 V and less.

2. Disconnecting and overcurrent protective devices.

3. Identification.

1.02 RELATED SECTIONS
A. Division 3 Concrete
B. Section 26 05 19 Low Voltage Electrical Power Conductors and Cables C. Section 26 05 26 Grounding and Bonding for Electrical Systems D. Section 26 05 29 Hangers and Supports for Electrical Systems E. Section 26 05 53 Identification for Electrical Systems F. Section 26 27 13 Electricity Metering

1.03 DEFINITIONS
A. NETA: International Electrical Testing Association
B. NRTL: Nationally Recognized Testing Laboratory
C. NEMA: National Electrical Manufacturerís Association D. NECA: National Electrical Contractors Association
E. CEC, California Electrical Code
F. CBC: California Building Code
G. UL: Underwriters Laboratory
H. CEC: California Electrical Code
I. OSHA: Occupational Safety & Health Administration

1.04 SUBMITTALS
A. Submit in accordance with of Section 01 33 23 Shop Drawings, Product Data and Samples.

B. Product Data: For each type of switchboard, overcurrent protective device, accessory, and component indicated. Include dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, accessories, and finishes.

C. Shop Drawings: For each switchboard and related equipment. 26 24 13

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1. Include dimensioned plans, elevations, sections, and details, including required clearances and service space around equipment. Show tabulations of devices, equipment features, and ratings.

2. Detail enclosure types for types other than NEMA 250, Type 1.

3. Detail bus configuration, current, and voltage ratings.

4. Detail short-circuit current rating of switchboards and overcurrent protective devices.

5. Detail features, characteristics, ratings, and factory settings of individual overcurrent protective devices and auxiliary components.

D. Short Circuit Analysis, Breaker Coordination Study & Arc Flash Analysis

1. Submittal to include overcurrent and protective device coordination study per specification 26 05 73 Overcurrent Protective Device Coordination Study.

2. Breaker coordination to comply with HCAI PIN 70.

E. Field Quality-Control Reports:

1. Test procedures used.

2. Test results that comply with requirements.

3. Results of failed tests and corrective action taken to achieve test results that comply with requirements.

F. Operation and Maintenance Data: For switchboards and components to include in emergency, operation, and maintenance manuals include the following:

1. Routine maintenance requirements for switchboards and components.

G. Warranty: See Article 1.8 Warranty.

1.05 QUALITY ASSURANCE
A. Testing Agency Qualifications: Member company of NETA or an NRTL.

1. Testing Agency's Field Supervisor: Currently certified by NETA to supervise on-site testing.

B. Product Selection for Restricted Space: Drawings indicate maximum dimensions for switchboards including clearances between switchboards and adjacent surfaces and other items.

Comply with indicated maximum dimensions.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, by a qualified testing agency, and marked for intended location and application.

1.06 DELIVERY, STORAGE, AND HANDLING
A. Deliver switchboards in sections or lengths that can be moved past obstructions in delivery path.

1.07 PROJECT CONDITIONS
A. Environmental Limitations:

1. Rate equipment for continuous operation under the following conditions unless otherwise indicated:
a. Ambient Temperature: Not exceeding 122 deg F.
b. Altitude: Not exceeding 6600 feet.

B. Interruption of Existing Electric Service: Do not interrupt electric service to facilities occupied unless permitted under the following conditions:
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1. Notify Ownerís Representative no fewer than 7 business days in advance of proposed interruption of electric service.

2. Do not proceed with interruption of electric service without Ownerís Representativeís written permission.

3. Comply with NFPA 70E, Electrical Safety in the Workplace.

1.08 COORDINATION
A. Coordinate layout and placement of switchboards and components with other construction that penetrates walls or is supported by them, including electrical and other types of equipment, raceways, piping, encumbrances to workspace clearance requirements, and adjacent surfaces.

Maintain required workspace clearances and required clearances for equipment access doors and panels.

B. Coordinate sizes and locations of concrete bases with actual equipment provided. Cast anchorbolt inserts into bases.

1.09 WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace devices that fail in materials or workmanship within specified warranty period.

1. Warranty Period: Two years from date of Notice of Completion.

1.10 EXTRA MATERIALS
A. Provide extra materials that match products provided and that are packaged with protective covering for storage and identified with labels describing contents.

1. Fuses for fused power-circuit devices: Equal to 10 percent of quantity required for each size and type, but no fewer than 3 of each size and type.

2. Keys: Two spares for each type of panelboard cabinet lock.

PART 2 - PRODUCTS

2.01 MANUFACTURED UNITS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Square D.

2. ABB/ General Electric.

3. Eaton.

4. Siemens.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

C. Distribution Switchboards: Power and feeder distribution type.

1. NEMA 250 3R enclosure with screened venting and base channels for outdoor. a. The enclosure shall have 2 screened vents with filters, top and bottom on each side to vent the interior section.
b. Each door shall have 2 screened vents with filters top and bottom to vent the vestibule.

2. NEMA 1 enclosure with base channels for indoor

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D. Doors: Secured with pad locking provisions.

1. For doors more than 36 inches high, provide 3 point latch.

2. Door-in door construction: Side wireway covers to be hinged.

3. Provide 2-party hasp for the utility section.

E. Mains: As indicated in the panel schedules.

F. Provide with thermostatically controlled heat strip power at 120 volts for outdoor enclosure.

1. Include stepdown transformer, fuses, finger safe fuse pull outs, and disconnect switch.

G. Dead front type completely metal enclosed, self-supporting structure of the universal frame type using die-formed, welded and bolted members. Formed ends sectionalized and removable with screw-on plates and NEMA 3R top covers outdoor units and NEMA 1 for indoor units, front facing side covers formed hinged with knurled knobs and concealed hinges. Finish gray, ASA70 dry powder polyester plastic electro statically applied, meeting a 3,000 hour salt spray test.

1. 1-1/2-inch high Base Channels shall be 7 gage or thicker steel

2. Structures shall be 12 gage or thicker

3. Covers shall be 12 gage or thicker

4. Top cover shall be 14 gage or thicker

5. Switchboards shall have depth as required to house all equipment contained within it.

Switchboard shall be constructed so that the back and front of all sections align.

Construction of the board shall allow maintenance of incoming line terminations, device connections and all bus bolted connections.

6. All devices shall be accessible and removable from the front unless rear access is indicated on the Drawings.

7. Provide necessary hardware to permit locking every overcurrent protective device handle in the "OFF" position.

8. Provide hinged access doors to all termination, meter, and relay compartments with knurled and slotted large head captive-bolts. The design shall allow access to compartments without tools and without removing any panels.

9. Furnish cable pull sections or top cable pull boxes where indicated on the Drawings complete with cable tie down supports. Where cable pull section or pull boxes contain utility service cables, provide utility acceptable sealing means.

10. Switchboard shall be suitable for use as service entrance equipment and be labeled in accordance with UL requirements.

11. Utility metering compartment section shall be fabricated to meet all utility company requirements. Where separate vertical section is required for utility metering, match and align with switchboard enclosure.

H. All bussing shall be copper with silver plated connections and joints sized to limit temperature rise of 55 degrees centigrade per UL Standard 891 temperature rise requirements, braced to withstand a minimum short circuit current of 65,000 RMS symmetrical amperes or as otherwise noted. All busses shall be rated 100 percent and shall extend full length of usable space.

Incoming supply lugs shall be at the top or bottom of the bus, not at the center. Flex bus is not permitted. Tapering of the horizontal or vertical bus is not permitted.

1. Bus arrangement shall be Phase A-B-C-N left-to-right, top-to-bottom and front-to-rear as viewed from the front. Horizontal and vertical bus ampere rating shall be uniform from endto-end.

2. Bussing shall be full height in each section.

3. All bussing to and from an overcurrent protective device shall be rated to the frame sizing, not the trip rating.

4. Where "SPACE" is indicated in the switchboards, cross connectors and mounting hardware shall be installed to match the frame size ampere rating noted on the Electrical Drawings. 26 24 13

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All "SPACES" shall be ready for installation of overcurrent protective devices at a future time.

5. Shipping splits and provisions for future bus extension shall be provided with necessary bus splices.

6. Each switchboard shall contain a full length, bottom/front located copper ground bus that is securely connected to each vertical section. Ground bus shall be sized in accordance with UL 891, Table 25.1.

7. Termination lugs: High compression circumference crimped type rated for use with aluminum/copper conductors.

8. Neutral bus shall be 100-percent rated unless otherwise indicated on the Drawings.

9. Main service switchboards:
a. Removable neutral link: Provide removable bolted bus section for the purpose of disconnecting the ground circuit conductor from the premises wiring at the supply side of the service in accordance with CEC article 230-75. b. Main bonding jumper: Connection between the grounded circuit conductor and the equipment ground conductor at the supply side of the service. Size in accordance with CEC table 250-94 or 12-1/2% of the area of the largest phase conductor in accordance with CEC article 250-79(c).

I. Switching and overcurrent protective devices:

1. Main overcurrent protective devices(s) shall be fixedmounted molded case circuit breaker with interrupting rating and frame and trip ratings as indicated on Drawings.

2. Feeder overcurrent protective device(s) shall be fixedmounted molded case circuit breaker with frame and trip rating as indicated on Drawings.

3. Devices interrupting rating shall be fully rated to match that of switchboard for which the device is installed.

4. Series ratings of overcurrent protective devices is not acceptable unless specifically noted on the Drawings.

5. Devices shall be manually operated unless shunt trip and/or electrically operated devices are indicated on Drawings.

6. The rating shall be full symmetrical amp rating and series rated only when specifically noted in the drawings.
a. 100A frames and larger shall be electronic adjustable trip type. All breakers shall be provided with factory padlocking provisions.
b. All breakers shall be listed for termination of copper, copper clad, or aluminum conductors insulated at 75 degree C temperature rating or higher.

7. Circuit breakers serving motor loads utilizing variable frequency drives shall be Square D Series H Frame or larger with adjustable electronic trip units or Equal.

8. Breakers shall be electronic type common trip with one operating handle.

9. All breaker shall have an electronic trip with adjustable short time and instantaneous trip.

10. Overcurrent protective devices rated for 1200 amps and greater shall be capable of arc energy reduction in accordance with CEC 240.67 for fuses and CEC 240.87 for breakers.

J. Ground fault protection:

1. General: A solid-state, zone-interlocked, ground fault protection system shall be provided integral on the main device(s) as indicated on Drawings. It shall consist of integral phase current sensors, appropriate solid-state relaying equipment to provide the desired ground fault current sensitivity and time-current response characteristics. Provide neutral ground fault current transformer for four wire systems.

2. Device settings: Adjustable pickup current sensitivity for ground fault currents from 200 amperes to 1200 amperes shall be provided. A calibrated dial shall be provided for setting the current pickup point in the field. Time delay shall be adjustable from 0 to 60 cycles.

Settings for individual relays shall be as directed by the short circuit/coordination study 26 24 13

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specified in Section 26 05 73: Power System Studies. A locking screw shall be provided to retain both adjustments at desired setting.

3. All overcurrent devices shall be independently time coordinated irrespective of zone interlocking to allow the last downstream level of ground fault devices to be time coordinated, i.e. it shall NOT revert to the lowest time setting.

K. Surge Protective Devices:

1. Refer to Section 264313: Surge Protective Devices.

L. Instrumentation and controls:

1. Switchboards shall have a digital meter unit (DMU) as indicated on the Drawings. DMU shall be by the same manufacturer as the switchboard.

2. Meter potential circuits shall be fused. Potential transformers if required for the monitoring devices shall be provided with fuses in the primary.

3. Meter current circuits shall have shorting terminal blocks between the meter and the current transformers. Current transformers shall be ring type (one per phase) with ratio, thermal, and mechanical ratings coordinated with the application and protection.

4. Instrument transformer accuracy per IEEE C57.13.6:

5. Current transformers must maintain 0.3% accuracy from 5% rated current through rating factor at rated burden.

6. Voltage transformers must maintain 0.15% accuracy from 90% to 110% of rated voltage.

7. All internal devices (relays, transformers, etc.) shall be tagged as to rating and function with permanently fastened engraved nameplates.

8. Control and signal circuits: Control devices, i.e.: contactors, relays, time clocks, etc. shall be mounted in a separate compartment that is fully barrier from the overcurrent protective device compartments. Control devices shall be accessible through a separate hinged cover panel.

9. Relays: All relays shall be industrial control grade with a "ON" indicating neon light, hold down springs, minimum of 10amp rated contacts and a minimum of four form C contacts.

Relays used for control power transfer shall have 20amp rated contacts. Do NOT use paralleled relays for relays with greater than 4-poles, use relays with the required number of poles. This is to prevent the situation where one relay fails, and half of the intended function is lost, which could be dangerous.

M. Conduits shall enter cabinet through neat holes and perpendicular to entrance face. Lace all conductors with Nylon Tie-Wraps. Provide laminated acrylic nameplates at all breakers.

N. Where spaces are indicated on the Drawings, all required hardware and trim shall be provided to allow future placement of breakers.

O. Provide equipment completely factory assembled, wired and tested before delivery and shall bear UL labels. Design shall meet CEC, NEMA and OSHA requirements.

P. Manufacturer shall provide equipment to meet the space provided, and shall not reduce the number of sections shown on the drawings.

Q. Switchgear enclosures that are located in exterior locations exposed to weather shall have thermostatically controlled heat strips.

R. All switchgear/electrical equipment shall be labeled with warnings to qualified personnel of the potential arc flash hazards and the appropriate personal protective equipment (PPE) required, per the latest issue of the CEC and NFPA-70E.
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S. Provide a minimum of 25 percent of space for spare capacity.

PART 3 - EXECUTION

3.01 EXAMINATION
A. Receive, inspect, handle, and store switchboards according to NECA and NEMA standards.

B. Examine switchboards before mounting. Reject switchboards that are moisture damaged or physically damaged.

C. Examine elements and surfaces to receive switchboards for compliance with manufacturerís tolerances and other conditions affecting performance of the Work.

D. Proceed with placement only after unsatisfactory conditions have been corrected.

3.02 PLACEMENT
A. Place switchboards and accessories according to NECA and NEMA standards.

1. Equipment Mounting: Locate switchboards on concrete base as detailed in the drawings.

2. Maintain 48-inches clear in front of switchboards for the entire length.

B. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, and brackets and temporary blocking of moving parts from switchboard units and components.

C. Utilize filler plates in unused spaces of panel-mounted sections.

3.03 IDENTIFICATION
A. Identify field-provided conductors, interconnecting wiring, and components; provide warning signs complying with requirements for identification specified in Section 260553 "Identification for Electrical Systems."
B. Switchboard Nameplates: Label each switchboard compartment with a nameplate complying with requirements for identification specified in Section 260553 "Identification for Electrical Systems."
C. Device Nameplates: Label each disconnecting and overcurrent protective device with a nameplate complying with requirements for identification specified in Section 260553 "Identification for Electrical Systems."
D. Provide address label with content in compliance with the requirements listed in SMUDís installation requirements.

3.04 FIELD QUALITY CONTROL
A. Testing Agency: Engage a qualified testing agency to perform tests and inspections.

B. Acceptance Testing Preparation:

1. Test insulation resistance for each panelboard bus, component, connecting supply, feeder, and control circuit.

2. Test continuity of each circuit.
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C. Tests and Inspections:

1. Perform each visual and mechanical inspection and electrical test stated in NETA Acceptance Testing Specification. Certify compliance with test parameters.

2. Correct malfunctioning units on-site, where possible, and retest to demonstrate compliance; otherwise, replace with new units and retest.

D. Switchboard will be considered defective if it does not pass tests and inspections.

E. Prepare test and inspection reports, including a certified report that identifies switchboards included and that describes scanning results. Include notation of deficiencies detected, remedial action taken, and observations after remedial action.

3.05 ADJUSTING
A. Adjust moving parts and operable components to function smoothly, and lubricate as recommended by manufacturer.

B. Load Balancing: After Notice of Completion, but not more than 60 days after Final Acceptance, measure load balancing and make circuit changes.

1. Measure as directed during period of normal system loading.

2. Perform load-balancing circuit changes outside normal occupancy/working schedule of the facility and at time directed.

3. After circuit changes, recheck loads during normal load period. Record all load readings before and after changes and submit test records.

4. Tolerance: Difference exceeding 20 percent between phase loads, within a panelboard, is not acceptable. Rebalance and recheck as necessary to meet this minimum requirement.

END OF SECTION
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PART 1 - GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUBMITTALS
A. Product Data: For each type of panelboard, switching and overcurrent protective device, transient voltage suppression device, accessory, and component indicated. Include dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, and finishes.

B. Shop Drawings: For each panelboard and related equipment.

1. Include dimensioned plans, elevations, sections, and details. Show tabulations of installed devices, equipment features, and ratings.

2. Detail enclosure types and details for types other than NEMA 250, Type 1.

3. Detail bus configuration, current, and voltage ratings.

4. Short-circuit current rating of panelboards and overcurrent protective devices. Fully rated panels are required.

5. Include evidence of NRTL listing for series rating of installed devices.

6. Detail features, characteristics, ratings, and factory settings of individual overcurrent protective devices and auxiliary components.

7. Include wiring diagrams for power, signal, and control wiring.

8. Include time-current coordination curves for each type and rating of overcurrent protective device included in panelboards. Submit on translucent log-log graft paper; include selectable ranges for each type of overcurrent protective device.

C. Short Circuit Analysis, Breaker Coordination Study & Arc Flash Analysis in conjunction with the requirements of specification 262413 Switchboards.

1. Submittal to include overcurrent and protective device coordination study per specification 260573 Overcurrent Protective Device Coordination Study.

2. Breaker coordination to comply with HCAI PIN 70.

D. Field Quality-Control Reports:

1. Test procedures used.

2. Test results that comply with requirements.

3. Results of failed tests and corrective action taken to achieve test results that comply with requirements.

E. Panelboard Schedules: For installation inside panelboard covers. Submit final versions after load balancing prior to request for final inspection.

F. Operation and Maintenance Data: For panelboards and components to include in emergency, operation, and maintenance manuals. In addition to items specified in Division 01 Section "Operation and Maintenance Data," include the following:

1. Manufacturer's written instructions for testing and adjusting overcurrent protective devices.

2. Time-current curves, including selectable ranges for each type of overcurrent protective device that allows adjustments.

1.03 QUALITY ASSURANCE
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A. Testing Agency Qualifications: Member company of NETA or an NRTL.

1. Testing Agency's Field Supervisor: Currently certified by NETA to supervise on-site testing.

B. Source Limitations: Obtain panelboards, overcurrent protective devices, components, and accessories from single source from single manufacturer.

C. Product Selection for Restricted Space: Drawings indicate maximum dimensions for panelboards including clearances between panelboards and adjacent surfaces and other items. Comply with indicated maximum dimensions.

D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, by a qualified testing agency, and marked for intended location and application.

E. Comply with NEMA PB 1.

F. Comply with CEC.

G. Comply with UL489 Molded-Case Circuit Breakers and Circuit Breaker Enclosures, UL50 Enclosures for Electrical Equipment, UL 67 Panelboards and UL 98 Enclosed and Dead Front Switches.

H. Panelboards shall be qualified for use in seismic areas as follows:

1. High seismic loading as defined in IEEE Std 693-1997, with 2.0 amplification factor.

2. CBC, Sds = 1.022, Ss = 1.532g, Ip = 1.0 in accordance with ICC-ES-AC156.

3. Seismic compliance shall be qualified only through shake table testing. Compliance by calculation is not acceptable.

1.04 DELIVERY, STORAGE, AND HANDLING
A. Remove loose packing and flammable materials from inside panelboards; install temporary electric heating (250 W per panelboard) to prevent condensation.

B. Handle and prepare panelboards for installation according to NEMA PB 1.

C. Store in a clean, dry space. Maintain factory protection or cover with heavy canvas or plastic to keep out dirt, water, construction debris and traffic.

1.05 PROJECT CONDITIONS
A. Environmental Limitations:

1. Do not deliver or install panelboards until spaces are enclosed and weather tight, wet work in spaces is complete and dry, work above panelboards is complete, and temporary HVAC system is operating and maintaining ambient temperature and humidity conditions at occupancy levels during the remainder of the construction period.

2. Rate equipment for continuous operation under the following conditions unless otherwise indicated:
a. Ambient Temperature: Not exceeding 23 deg F (minus 5 deg C) to plus 104 deg F (plus 40 deg C).
b. Altitude: Not exceeding 6600 feet.

B. Service Conditions: NEMA PB 1, usual service conditions, as follows:

1. Ambient temperatures within limits specified.
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2. Altitude not exceeding 6600 feet.

1.06 COORDINATION
A. Coordinate layout and installation of panelboards and components with other construction that penetrates walls or is supported by them, including electrical and other types of equipment, raceways, piping, encumbrances to workspace clearance requirements, and adjacent surfaces.

Maintain required workspace clearances and required clearances for equipment access doors and panels.

B. Coordinate sizes and locations of concrete bases with actual equipment provided. Cast anchorbolt inserts into bases. Concrete, reinforcement, and formwork requirements are specified in Division 03.

1.07 FIELD MEASUREMENTS
A. Contractor shall make all necessary field measurements to verify that equipment shall fit in allocated space in full compliance with minimum required clearances specified in California Electrical Code.

1.08 WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace transient voltage suppression devices that fail in materials or workmanship within specified warranty period.

1. Warranty Period: One year from date of Substantial Completion.

1.09 EXTRA MATERIALS
A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Keys: Two spares for each type of panelboard cabinet lock.

2. Circuit Breakers Including GFCI and Ground Fault Equipment Protection (GFEP) Types:
spares as noted on the panel schedules with no less than two spares for each panelboard.

PART 2 - PRODUCTS

2.01 GENERAL REQUIREMENTS FOR PANELBOARDS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Square D.

2. ABB/ General Electric.

3. Eaton.

4. Siemens.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

C. Enclosures: Flush- and surface-mounted cabinets.

1. Rated for environmental conditions at installed location. a. Indoor Dry and Clean Locations: NEMA 250, Type 1.
b. Outdoor: Provide NEMA Type 3R enclosure.
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2. Hinged Front Cover: ìDoor-in-Doorî, Entire front trim hinged to box and with standard door within hinged trim cover.
a. Panelboard covers shall be door-in-door construction such that inner door exposes the overcurrent protective devices and the outer door exposes the complete panelboard interior (i.e. branch circuit conductors, lugs, neutral and ground bus, overcurrent protective devices, etc.). Outer door shall have full-length piano hinge and inner door shall have two-point hinges.
b. Door latches shall be metallic. Plastic will be rejected. c. Provide combination spring catch and lock on inside edge of the inner door trims with flush fitting joint between door and trim. Locks on all panelboards shall be keyed alike. Doors 36 inches and over in height shall be provided with three-point catch and lock. Provide quarter-turn captive bolts on the outer door.

3. Finishes:
a. Panels and Trim: Galvanized steel, factory finished immediately after cleaning and pre-treating with manufacturer's standard two-coat, baked-on finish consisting of prime coat and thermosetting topcoat.
b. Back Boxes: Same finish as panels and trim.

4. Directory Card: Inside panelboard door, mounted in metal frame with transparent protective cover.

D. Incoming Mains Location: As conditions warrant.

1. Main breakers, where specified, as part of a combination main and distribution section or panel, shall be located above or below distribution bussing and be connected such that normal load side of breakers is disconnected when breaker is in open position. Backwards connections are prohibited.

E. Phase, Neutral, and Ground Buses:

1. Material: Hard-drawn copper, 98 percent conductivity. Bussing shall extend full length of usable space. Provide copper ground bus complete with lugs, not insulated from enclosure. The bussing shall be braced for a minimum of 65,000 RMS symmetrical amps unless noted otherwise in the drawings.
a. Tapering of the horizontal or vertical bus is not permitted.

2. Copper Equipment Ground Bus: Adequate for feeder and branch-circuit equipment grounding conductors; bonded to box.

3. Bus shall be bolted copperwith taps arranged for distributed phase connections to branch circuit devices

4. Cross connectors shall be copper, drilled and tapped for bolt-on device connections, arranged for double row placement of device and designed to permit removal or addition of overcurrent protection devices without disturbing adjacent devices or removing main bus connections.

5. Neutral bus shall be 100percent rated of phase bus bars and shall have lugs for each outgoing branch circuit or feeder requiring a neutral connection unless otherwise noted.

6. Ground bus shall be full size with lugs for each outgoing branch circuit and feeder.

7. Refer to panelboard schedules on Drawings for bus rating. Bus rating shall match or be greater than main device or main lug rating.

8. Provide full sized bussing in all sections of multi-section panelboards.

9. Termination Lugs: Rated for use with aluminum/copper conductors.

10. All "SPACES" shall be ready for installation of future overcurrent protective device.

F. Conductor Connectors: Suitable for use with conductor material and sizes.

1. Material: Hard-drawn copper, 98 percent conductivity.

2. Main and Neutral Lugs: Mechanical type.

3. Ground Lugs and Bus-Configured Terminators: Mechanical type. 26 24 14

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4. Feed-Through Lugs: Mechanical type, suitable for use with conductor material. Locate at opposite end of bus from incoming lugs or main device.

5. Extra-Capacity Neutral Lugs: Rated 200 percent of phase lugs mounted on extra-capacity neutral bus when specified.

G. Overcurrent protective devices:

1. Overcurrent protective devices shall be molded case circuit breakers.

2. Main devices shall be hard bus connected to the panelboard bus bars.

3. In all cases, panelboards fed directly from a transformer shall have a main overcurrent protective device. If not indicated on the Drawings or Panelboard Schedules, provide this device sized to provide the full capacity of the transformer rating.

4. Main devices shall be vertically mounted and shall have their operating handle in the up position when energized. Main devices that are mounted in the same manner as the branch devices are NOT acceptable, i.e. main devices shall be individually mounted at the top or bottom of the phase bus bars.

5. Panelboards overcurrent protective devices layout shall conform to the layout indicated on the panelboard schedules.

6. Provide identified handle ties for single pole circuit breakers that share a neutral conductor.

7. Multiple pole circuit breakers shall have internal common trip connections. All breakers shall be bolt-on to the bus type, with a minimum symmetrical amp rating of 22,000 RMS unless noted otherwise in the drawings. All breakers shall be listed for termination of copper, insulated at 75oC temperature rating or higher. All breaker lugs shall be copper.

Breakers shall be fully rated for the symmetrical amp rating listed unless specified otherwise.
a. Panel schedules listed with Square D I-Line type HCX, etc.), supporting rectifier loads, or motor horse powers greater than 3 HP shall come equipped with F-Frame (1-3/8î width per pole minimum) breakers.

H. Surge Protective Devices:

1. Refer to Section 26 43 13: Surge Protective Devices.

I. Service Equipment Label: NRTL labeled for use as service equipment for panelboards or load centers with one or more main service disconnecting and overcurrent protective devices.

J. Miscellaneous requirements:

1. Circuit numbering: Starting at the top, indicate odd numbered circuits in sequence down the left-hand side and even numbered circuits down the right-hand side. Multi-section panelboards shall have continuous consecutive circuit numbers. Provide metal embossed circuit identification of panelboards.

2. Directories: A 6" x 8" minimum size circuit directory frame and card with clear plastic covering shall be provided inside the inner panelboard door to reflect conditions at completion of Work. Directory shall be typewritten denoting loads served by room number or area for each circuit.

3. Nameplates: Provide engraved nameplate for each panelboard. See Section 260533:

Electrical Identification for requirements.

K. Refer to Panelboard Schedules for the following:

1. Mounting style; service voltage; terminal lug size, location, and quantity; bus ampacity; interrupting capacity of bus and breakers; quantity, poles and rating of overcurrent protective devices.

2.02 DISTRIBUTION PANELBOARDS
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A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Square D.

2. ABB/ General Electric.

3. Eaton.

4. Siemens.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

C. Mains: As indicated in the panel schedules.

D. Branch Overcurrent Protective Devices for Circuit-Breaker Frame Sizes shall be bolt-on type.

1. Circuit breakers serving motor loads utilizing variable frequency drives shall be Square D, HFD Frame with adjustable electronic trip units.

2. Panel schedules listed with Square D I-Line type HCX, etc.), supporting rectifier/inverter type loads, or motor horse powers greater than 3 HP shall come equipped with H-Frame minimum (1-3/8î width per pole minimum) style breakers.

3. Multiple pole circuit breakers shall have internal common trip connections and shall be bolt-on to the bus type, with a minimum symmetrical amp rating of 22,000 RMS unless noted otherwise in the drawings. Breakers shall be listed for termination of copper, insulated at 75oC temperature rating or higher.

4. All breaker shall have an electronic trip with adjustable short time and instantaneous trip.

5. Breakers shall be fully rated for the symmetrical amp rating listed unless specified otherwise.

2.03 LIGHTING AND APPLIANCE BRANCH-CIRCUIT PANELBOARDS
A. Basis-of-Design Product: Subject to compliance with requirements, provide products by one of the following:

1. Square D.

2. ABB/ General Electric.

3. Eaton.

4. Siemens.

B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

C. Panelboards: NEMA PB 1, lighting and appliance branch-circuit type.

1. Enclosure shall be 20" wide x 5-3/4" deep, surface or flush mounted, unless specified otherwise in the panel schedule.

2. Flush panelboards mounted adjacent to each other shall be same physical size.

3. Where "SPACE" is indicated on panelboard schedules or Drawings, install minimum 100amp branch circuit cross connectors and mounting hardware. For future device spaces larger than 100amps, cross connectors shall match the frame size ampere rated noted.

D. Mains: As noted on panel schedules.

E. Branch Overcurrent Protective Devices: Bolt-on circuit breakers, replaceable without disturbing adjacent units.

1. Circuit breakers shall not be less than 1î per pole spacing. Less than 1î will be regarded as a miniature circuit breaker and will be rejected during the submittal review process.

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noted otherwise in the drawings. Breakers shall be listed for termination of copper, insulated at 75oC temperature rating or higher.

3. All breaker lugs shall be copper.

4. Breakers shall be fully rated for the symmetrical amp rating listed unless specified otherwise.

F. Contactors in Main Bus: NEMA ICS 2, Class A, electrically held, general-purpose controller, with same short-circuit interrupting rating as panelboard.

1. Internal Control-Power Source: Control-power transformer, with fused primary and secondary terminals, connected to main bus ahead of contactor connection.

2. External Control-Power Source: As noted on plans.

PART 3 - EXECUTION

3.01 EXAMINATION
A. Receive, inspect, handle, and store panelboards according to NEMA PB 1.1.

B. Examine panelboards before installation. Reject panelboards that are damaged or rusted or have been subjected to water saturation.

C. Examine elements and surfaces to receive panelboards for compliance with installation tolerances and other conditions affecting performance of the Work.

D. Proceed with installation only after unsatisfactory conditions have been corrected.

3.02 INSTALLATION
A. Install panelboards and accessories according to NEMA PB 1.1.

B. Equipment Mounting:

1. For panelboards, install epoxy-coated anchor bolts that anchor into structural concrete floor.

2. Place and secure anchorage devices. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

3. Install anchor bolts to elevations required for proper attachment to panelboards.

4. Attach panelboard to the vertical finished or structural surface behind the panelboard.

C. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, and brackets and temporary blocking of moving parts from panelboards.

D. Mount top of trim 78 inches above finished floor unless otherwise indicated.

E. Mount panelboard cabinet plumb and rigid without distortion of box. Mount recessed panelboards with fronts uniformly flush with wall finish and mating with back box.

F. Install overcurrent protective devices and controllers not already factory installed.

1. Set field-adjustable, circuit-breaker trip ranges.

G. Install filler plates in unused spaces.

H. Stub four 3/4-inch empty conduits from panelboard into accessible ceiling space or space designated to be ceiling space in the future.
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I. Arrange conductors in gutters into groups and bundle and wrap with wire ties after completing load balancing.

3.03 IDENTIFICATION
A. Identify field-installed conductors, interconnecting wiring, and components; provide warning signs complying with Division 26 Section Identification.

B. Create a directory to indicate installed circuit loads after balancing panelboard loads; incorporate Owner's final room designations. Obtain approval before installing. Use a computer or typewriter to create directory; handwritten directories are not acceptable.

C. Panelboard & Distribution Panel Nameplates: Label each panelboard with a nameplate complying with requirements for identification specified in Division 26 Section Identification.

1. Nameplates to include power source serving panel and feeder rating.

D. Device Nameplates: Label each branch circuit device in distribution panelboards with a nameplate complying with requirements for identification specified in Division 26 Section Identification.

3.04 FIELD QUALITY CONTROL
A. Testing Agency: Engage a qualified testing agency to perform tests and inspections.

B. Acceptance Testing Preparation:

1. Test insulation resistance for each panelboard bus, component, connecting supply, feeder, and control circuit.

2. Test continuity of each circuit.

C. Tests and Inspections:

1. Perform each visual and mechanical inspection and electrical test stated in NETA Acceptance Testing Specification. Certify compliance with test parameters.

2. Correct malfunctioning units on-site, where possible, and retest to demonstrate compliance; otherwise, replace with new units and retest.

D. Panelboards will be considered defective if they do not pass tests and inspections.

E. Prepare test and inspection reports, including a certified report that identifies panelboards included and that describes scanning results. Include notation of deficiencies detected, remedial action taken and observations after remedial action.

3.05 ADJUSTING
A. Adjust moving parts and operable component to function smoothly, and lubricate as recommended by manufacturer.

B. Set field-adjustable circuit-breaker trip ranges as indicated.

C. Load Balancing: After Substantial Completion, but not more than 60 days after Final Acceptance, measure load balancing and make circuit changes.

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2. Perform load-balancing circuit changes outside normal occupancy/working schedule of the facility and at time directed. Avoid disrupting critical 24-hour services such as fax machines and on-line data processing, computing, transmitting, and receiving equipment.

3. After circuit changes, recheck loads during normal load period. Record all load readings before and after changes and submit test records.

4. Tolerance: Difference exceeding 20 percent between phase loads, within a panelboard, is not acceptable. Rebalance and recheck as necessary to meet this minimum requirement.

3.06 PROTECTION
A. Temporary Heating: Apply temporary heat to maintain temperature according to manufacturer's written instructions.

END OF SECTION
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PART 1 - GENERAL

1.01 SUMMARY
A. Work included: Labor, materials, and equipment necessary to complete the installation required for the item specified under this Division, including but not limited to:

1. Power monitoring equipment.

2. Web-based power monitoring communication system.

3. Data acquisition server ìGateway.î

4. Miscellaneous monitoring systems.

B. 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 installation.

1.02 REFERENCES
A. Comply with the latest edition of the following applicable Specifications and standards except as otherwise indicated or specified:

1. American National Standards Institute, Inc. (ANSI)/Institute of Electrical and Electronics Engineers (IEEE):

ANSI/IEEE 802.3; Ethernet Standard.

2. American National Standards Institute, Inc. (ANSI):

ANSI C12.20; For Electricity Meters ñ 0.2 and 0.5 Accuracy Classes.

ANSI C37.90.1; Surge Withstand Capability (SWC) Test.

3. Federal Communications Commission (FCC) Regulations:

FCC Part 15; Subpart B for Unintentional Radiators that Generate Radio Frequency Emissions. Class A for Digital Devices that Market use for Commercial applications.

4. Underwriters Laboratories, Inc. (UL):

UL 61010A-1; General Safety Requirements for Electrical Equipment intended for Laboratory Use.

1.03 SUBMITTALS
A. Submit in accordance with the requirements of 26 05 00: Common Work Results for Electrical, the following items:

1. Data/catalog cuts for each product and component specified herein, listing all physical and electrical characteristics and ratings indicating compliance with all listed standards.

2. Describe product operation, equipment and dimensions and indicate features of each component.

3. Clearly mark on each data sheet the specific item(s) being submitted and the proposed application.

4. Shop Drawings to include:
a. Front, plan, and side view elevations with overall dimensions. b. Wiring diagrams showing all components and the connections between the components.

5. Furnish structural calculations for equipment anchorage as described in Section 26 05 00: Common Work Results for Electrical.

6. Submit Manufacturer's installation instructions.

7. Complete bill of material listing all components.

8. Warranty.
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B. Hardware and software description shall be provided in detail for all communications hardware, software, including sensor devices and gathering data to be transmitted over the network, and master display unit. This description will include a list of all the communicating devices to be connected to the network.

C. Typical software screen displays shall be provided in printout form and/or on disk.

1.04 OPERATION AND MAINTENANCE MANUAL
A. Supply operation and maintenance manuals in accordance with the requirements of 26 05 00:

Common Work Results for Electrical, to include the following:

1. A detailed explanation of the operation of the system.

2. Instructions for routine maintenance.

3. Parts list and part numbers.

4. Pictorial and schematic Electrical Drawings of wiring systems, including operating, hardware, flat screens, instrumentation, and annunciators.

5. Telephone numbers for authorized parts and service distributors.

6. Final testing reports.

1.05 QUALITY ASSURANCE
A. All materials, equipment and parts comprising the units specified herein shall be new, unused, and currently under production.

B. Only products and applications listed in this Section may be used on the Project unless otherwise submitted.

1.06 PRODUCT DELIVERY, STORAGE AND HANDLING
A. Delivery: Energy information system shall not be delivered to the Project site until protected storage space is available. Storage outdoors covered by rainproof material is not acceptable.

Equipment damaged during shipment shall be replaced and returned to Manufacturer at no cost to Owner.

B. Storage: Store in a clean, dry, ventilated space free from temperature extremes. Maintain factory wrapping or provide a heavy canvas/plastic cover to protect units from dirt, water, construction debris and traffic. Provide heat where required to prevent condensation.

C. Handling: Handle in accordance with Manufacturer's written instructions. Be careful to prevent internal component damage, breakage, denting and scoring. Damaged units shall not be installed. Replace damaged units and return equipment to Manufacturer.

1.07 WARRANTY
A. Units, components and programming offered under this Section shall be covered by a 2-year parts and labor warranty for malfunctions resulting from defects in materials and workmanship.

Warranty shall begin upon acceptance by the Owner.

PART 2 - PRODUCTS

2.01 MANUFACTURERS
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A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Power monitoring equipment:
a. Schneider/ Square D
b. Eaton:
c. Siemens

2. Web-based power monitoring communication system:
a. Schneider/ Square D
b. Eaton
c. Siemens

3. Data acquisition server gateway:
a. Obvius A8812-1 ìAcquiSuiteî Data Acquisition Server
B. Substitutions: Under provisions of 26 05 00: Common Work Results for Electrical.

2.02 MICORPROCESSOR-BASED POWER MONITORING EQUIPMENT
A. Integrated multi-point metering/switchboard construction:

1. Combines switchboard design with multi-point metering (MPM) equipment to provide a complete factory installed metering switchboard consisting of distribution switchboard with overcurrent protection devices, meter module(s) and current sensors, factory installed and wired to meters.

2. The MPM shall monitor 60 single-pole loads, 30 two pole loads or 20 three-pole loads or any combination thereof by use of current sensors.

3. All connections to the MPM shall be through removable plugs.

4. The MPM shall be capable of accepting input from current sensors by connecting with factory installed plug connectors.

5. The MPM shall be capable of automatically sensing the current rating of the current sensor.

6. The MPM shall provide a mechanism for detecting tampering with the current sensors.

Tamper detection shall be accessible remotely by the headend computer.

7. The MPM shall be available in one of three voltage ratings:
a. 120/208volt AC
b. 277/480volt AC
c. 347/600volt AC

8. The MPM shall calculate power and energy consumption in accordance with ANSI C12.20 metering specification and stored in non-volatile memory for forwarding to an intelligent system.

9. The MPM shall store power in kW and energy in kWh for each metering point.

10. The MPM shall store energy profile information for each metering point in non-volatile memory. The profile time-period shall be adjustable from 1 to 60-minutes. The MPM shall be able to save a minimum of 365-days of energy profile data for all 60-meter points on a 15-minutes basis.

11. The MPM shall be suitable for mounting within a panelboard or switchboard utilizing a dedicated mounting bracket. The MPM shall have all connections oriented towards the wiring gutters of the panelboard or switchboard in which it is mounted. The MPM may also be mounted in a separate enclosure.

12. The MPM shall have LEDs that can be easily viewed when the unit is installed to aid in the installation and operation of the device with the following functionality as a minimum:
a. Each current input shall have an LED that shall flash in proportion to the amount of power flowing in the measures circuit.
b. An indication LED that flashes to indicate when the MPM is functioning properly. c. A transmit LED that indicates when the MPM is transmitting data on the communication network.
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d. A receive LED that indicates when the MPM is receiving data on the communication network.

13. The MPM shall have rotary address switches that are easily accessible and set the unit address on the communication network.

14. The local device network shall be factory interconnected utilizing two Modbus RTU ports.

The communication speed at the device level shall be a minimum of 9,600-baud.

Devices shall communicate at their maximum baud rate regardless of the number of devices on the network.

15. MPM shall be networkable such that a single modem can be utilized to read multiple meters.

16. Current sensors shall be provided with a toroidal winding over solid core. The winding shall be mounted over the circuit to be monitored by inserting the load conductor through a hole in the center of the current transformers. The current in the load conductor shall be made available to an electronic monitoring device through a four-conductor cable and terminated to a removable plug on the current sensor. The current sensor shall have two LEDs, one red for indicating loss of connection and one blue for verification to connected load. The current sensors shall be suitable for use with circuits rated 125amp through 400amp. Extension cables, with a length of 8 and 16-feet and factory installed connectors shall be available for installations where the standard cable is too short for proper installation. The current sensors shall have 600volt rated cable insulation and shall be UL listed with the MPM.
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2.03 WEB-BASED POWER MONITORING COMMUNICATION SYSTEM
A. General: Furnish and install a complete web-based power monitoring communications system (PMCS) as detailed on the drawings and as described herein. The PMCS shall include all remote devices for metering, monitoring, control and protection, a network time server, all Ethernet communications gateways and gateway interfaces, intercommunication wiring, and ancillary equipment.

B. Web-based PMCS:

1. The PMCS shall provide a web browser-based monitoring and management system for all communicating devices in the power system.

2. The PMCS shall communicate to all devices over an industry standard Ethernet communication backbone. For devices that cannot communicate directly on Ethernet, a gateway complying with the requirements of this specification can be provided.

3. The PMCS shall provide a real time, web-based system to allow the user to easily view the key operational characteristics of the system. These features of the system shall not require any custom screen development or configuration to provide the following functions:
a. The PMCS shall provide the ability to view the current value of all operational variables available from all supported devices connected to the Ethernet network without the need for any additional system software.
b. The PMCS shall not require specific knowledge of a device to be able to display information from that device. Instead, the software shall have the ability to query the device for its operational capabilities and automatically set up web-based pages to display the information. No custom screen development shall be required to display data from any device able to connect to the system:
1) The software shall support the ability to automatically establish a connection to any device added to a gateway without the user doing any configuration in the software.
c. The PMCS shall automatically build a one-line network hierarchy for all connected devices so the user can easily view them and display the corresponding data, status for those devices.

4. The PMCS shall provide the ability trend one or more variables (volts, amps, kW, kWh, etc.) from one or more devices on a web-based trend graph. The trend viewer shall support the following features:
a. Web accessible trending tool.
b. Option to display all variables on a single chart.
c. Support for Min and Max value generation and graphing. d. Ability to select trend date ranges from a calendar. e. Ability to save the selected trend data to a CSV file using the web interface

5. The PMCS shall provide an energy graph on the home page and shall include:
a. Ability to show either demand or usage.
b. Ability to show the peak value for selected time periods and load factor. c. Compare energy usage across devices.
d. Display peak periods for each device.
e. Ability to display line, bar, stacked bar, and cumulative usage for each selected period.
f. Move cursor to view energy values at any given time. g. Calendar based date and time selection.

6. The PMCS shall support displaying of the waveform data collected by the power monitoring devices that can capture waveforms. The graphic format will display the data in an oscilligraphic format and in a Fourier Amplitude Spectrum graph. 26 27 13

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7. The PMCS shall provide time stamped sequential order of events for trips, analog alarms, motor start profiles, and operator actions based on the information received from the actual devices.

8. The PMCS shall have the ability to manage alarm and event conditions detected by the devices. Alarm management shall include:
a. Ability to acknowledge alarms via the web interface. b. Ability to flag priority alarms.
c. Ability to export alarms.
d. Ability to sort and analyze alarms by time, device, or priority.

9. The PMCS shall provide web-based navigation system to easily:
a. Drill downî in the one-line hierarchy.
b. Upload any .jpeg or, png file as a one-line background.

10. The PMCS shall be easy to operate and manage and shall include:
a. Ability to have a favoriteís list of devices.
b. Ability to add and remove devices from the favorites list. c. Ability to see devices current status and key parameters at a glance. d. Ability to navigate to main software views with a single mouse click.

11. The PMCS shall be scalable such that the system can be expanded without requiring the user to reconfigure a new system.

12. The PMCS shall be sized to support the number of devices shown on the drawings, plus the capacity to accommodate 10% additional devices.

13. The PMCS shall not restrict the number of simultaneous users except based on the computing resources provided to support the system.

14. The PMCS shall allow users to be granted privileges based on their user ID and password, to perform various functions in the system. The software shall support, at a minimum 2 levels of access with one supporting Read only access and the other provide full Administration access.

15. The PMCS shall provide onboard embedded memory that is not external to the system or resident on a separate computer.

C. Web-Enabled PMCS Hardware Components:

1. All web enabled devices in the PMCS shall provide any authorized user on the customerís network access to the critical data listed below with the user requiring only a supported Internet browser on their own computer.
a. Meter Screen providing:
1) Volts: L-L and L-N, and average.
2) Frequency.
3) Current and average phase A, B, and C, N and G.
b. Power Screen providing:
1) Energy.
2) Demand.
3) Power Factor.
c. Quality Screen providing:
1) Total Harmonic Distortion (THD) of volts and current. d. Events screen providing:
1) Latest events.
2) Enabled Triggers.
3) Historical Events.

2. The web-enabled power monitoring hardware shall support multiple protocols over Ethernet to ensure the system can easily be integrated into the PCMS software system as well as existing systems. These protocols shall include:
a. Modbus TCP/IP.
b. BACnet/IP.
c. SNMP.
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d. HTTP.
e. SMTP.
f. NTP.
g. File System for exporting .CSV trend files.

3. The web enabled power monitoring hardware shall provide support for configuration of all web enabled meters and gateways directly via the web pages on the device. a. To support the configuration of legacy devices on the device networks connected to the gateway, the gateway shall support a ìpass through modeî to allow the legacy configuration software to connect from any computer on the users network to the device via the gateway.

4. All web enabled power monitoring hardware that is connected directly to Ethernet shall support the ability to synchronize their time clock using Network Time Protocol (NTP).

The purpose for this support is to ensure all device clocks are accurate so that event sequences can be adequately analyzed.
a. For devices that support clock synchronization and are on the device networks connected to the gateways, they shall support the ability to sync their clock to the clock in the gateway.

5. Ethernet Switches:
a. A single web access point: 4 or 6-port Ethernet switch shall be provided in the equipment to allow a single access point for the user and the ability to connect more than one network device directly on the customerís Ethernet Local Area Network (LAN).
b. Ethernet switch shall support standard copper RJ45 connectors and/or 100BaseFX Fiber-Optic via ST connectors.

2.04 DATA ACQUISITION SERVER GATEWAY
A. General:

1. The data acquisition server allows users to connect and secure data from virtually any meter type and convert the raw meter output into usable information. This information can be integrated with almost any level of software system or database, from an enterprise software suite to a simple Excel spreadsheet.

2. The data acquisition server is scalable for energy monitoring applications, including the ability to access and configure devices through ant web browser.

3. The data acquisition server employs ìplug & playî technology, and automatically detects and configures downstream Modbus devices in seconds. Data from downstream devices are time stamped and stored in non-volatile memory at user-selected intervals. The data can be stored or uploaded to a destination of userís choice through a number of different formats. Data can also be accessed through any web browser via integrated modem or Ethernet connection.

4. Using the built-in modem or Ethernet port, data is sent via either the network or phone lines to the online server system. From the Online website, you can view past data, plot charts, and export data.

5. User cab push/pull data into energy kiosk or dashboard, custom software applications, or any web interface.

B. Equipment description:

1. The data acquisition server unit shall be a standalone, wall-mounted device powered by a 120volt AC plug-in transformer with 24volt DC output.

2. The unit shall accept up to 32 Modbus device inputs on the RS485 serial input terminals.

The unit shall provide automatic recognition and configuration for Modbus power meters as well as other Modbus devices.

3. The unit shall provide user interface via standard web browser using an integrated Ethernet RJ45 jack.
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4. Unit shall provide alarm setpoints for all measured values including the option for either high/low or warning/alarm.

5. Unit shall be capable of using LAN connections (static IP or DHCP), telephone modem or cell modem (GSM) for data upload.

6. Unit shall provide data in standard delimited text form (.txt). There shall be an option for retrieving data using XML. Data uploads shall be either push or pull at the option of the user, on user-selected intervals.

7. Store all recorded variables in non-volatile memory.

8. The unit shall function as a gateway device, using Modbus TCP to retrieve specific data from connected devices as required.

9. Performance characteristics:
a. Main processor: ARM 9
b. I/O Co-processor: ARM 7
c. Operating system: Linux 2.6
d. Flash ROM: 16MB NOR Flash (expandable with USB memory device) e. Memory: 32MB RAM
f. LED: 8x pulse input, 4 modem activity, Modbus TX/RX, power status g. Console: 2x 16 LCD character, two buttons
h. LAN: 10/100, Auto crossover detection
i. Modem (phone): V.34bis, 33,600bps
j. Modem (cellular): GSM/GPRS Class 10, 85kbps
k. Protocols: Modbus/RTU. Modbus/TCP, TCP/IP, PPP, HTTP/HTML, FTP, SNMP,

SMTP, XML
l. Power supply: 24volt DC, transformer included
m. Power requirement: 120volt AC
n. Serial port: RS485 Modbus
o. USB port: USB memory expansion port
p. Interval recording: User selectable 1 to 60-minutes. Default of 15-minute interval q. Outputs: 2x, Dry contact 30volt DC, 150mA max
r. The unit shall accept up to 8 inputs directly. Each input shall be capable of being configured for the following:
1) 0-10volts: Min/Max/Ave/Instantaneous
2) 4-20mA: Min/Max/Ave/Instantaneous
3) Pulse: Consumption, rate.
4) Resistance: Min/Max/Ave/Instantaneous
5) Runtime: Runtime, status

2.05 MISCELLANEOUS MONITORING SYSTEMS
A. The meters that follow are all to be furnished under another Division of Work but require connection under this Division to the energy information system network. Coordinate the exact location of these meters with HVAC, plumbing and landscape irrigation contractors prior to commencing installation.

B. Meters provided by others shall have a Modbus TCP/IP protocol to be supported on the energy information system network. The exception being the water flow meters and the natural gas flow meters, which shall be the pulse output type meters with dry contacts. The data acquisition server can support direct connections with both the Modbus meters and the pulse output meters.

PART 3 - EXECUTION

3.01 EXAMINATION
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A. Contractor shall thoroughly examine Project site conditions for acceptance of metering equipment installation to verify conformance with Manufacturer and Specification tolerances.

Do not commence with installation until all conditions are made satisfactory.

3.02 INSTALLATION
A. Install energy information system components in accordance with Manufacturer's written instructions, as indicated on the Drawings and as specified herein.

B. Tighten electrical connectors and terminals; including screws and bolts, in accordance with equipment Manufacturers published instructions.

C. Coordinate with the Mechanical Controls Contractor and integrate the energy information system into the building management system. See mechanical controls details for more information.

D. Coordinate the software installation after all hardware has been completely installed, connected, and activated.
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3.03 PROGRAMMING
A. The contractor shall insure the on-site programming of the system by a manufacturerís representative, as well as to assist in the system startup. On-site services shall include:

1. Setting all the addresses of all devices in the equipment.

2. Verifying and troubleshooting the integrity of the data.

3. Assisting the Owner in correcting any data line problems.

4. Coordinating any possible warranty problems.

5. Configure the software to match the field devices.

3.04 FIELD QUALITY CONTROL
A. Independent testing: Contractor shall arrange and pay for the services of an independent Testing Agency to perform all quality control electrical testing, calibration and inspection required herein. Testing Agencies objectives shall be to:

1. Assure energy information system equipment installation conforms to specified requirements and operates within specified tolerances.

2. Field test and inspect to insure operation in accordance with Manufacturer's recommendations and Specifications.

3. Prepare final test report including results, observations, failures, adjustments, and remedies.

4. Verify settings and make final adjustments.

B. At least three weeks prior to any testing, notify the Engineer so that arrangement can be made for witnessing test, if deemed necessary. All pretesting shall have been tested satisfactorily prior to the Engineer's witnessed test.

C. The Contractor shall supply a suitable and stable source of electrical power to each test site.

The Testing Agency shall specify the specific power requirements.

D. Testing of energy information system equipment shall be done only after all devices are installed and system is energized.

E. Prefunctional testing:

1. Provide Testing Agency with Contract Documents and Manufacturer instructions for installation and testing.

2. Visual and mechanical inspection:
a. Inspect for physical damage, defects alignment and fit. b. Verify the meters are functional by scrolling through monitoring options. c. Compare nameplate information and connections to Contract Documents. d. Check tightness of all control and power connections. e. Check that all covers, barriers, and doors are secure.

3. Electrical tests:
a. Provide a portable meter that was calibrated prior to test, on the same day as test, and with an accuracy equivalent to that of the meters being tested. b. Confirm values of each meter in the system by hooking up portable meter to feeder being monitored. Ensure that there is a minimum of 5% load on feeder at time of test, based on the overcurrent protection size.
c. Calibrate meters as required based on reading from portable meter.

F. Contractor shall replace at no costs to the Owner all devices which are found defective or do not operate within factory specified tolerances.
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G. Contractor shall submit the Testing Agency's final report for review prior to Project closeout and final acceptance by the Owner. Test report shall indicate test dates, devices tested, results, observation, deficiencies, and remedies. Test report shall be included in the operation and maintenance manuals.

3.05 CLEANING
A. Upon completion of Project prior to final acceptance the Contractor shall thoroughly clean energy information system equipment per Manufacturer's approved methods and materials.

3.06 TRAINING
A. Factory authorized service representative shall conduct two initial 4-hour training sessions for Owner's Maintenance Personnel upon completion and acceptance of system. Provide one 4- hour follow-up training session to be scheduled by Owner within one year of the final date of the final initial training session. Instructions shall include operation, maintenance, and testing of equipment with both classroom training and hands-on instruction. The agenda for the second session will be by Owner.

B. Contractor shall provide a training video.

C. Contractor shall schedule training with a minimum of 7-days advance notice.

END OF SECTION
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PART 1- GENERAL

1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.02 SUMMARY
A. This Section includes the following:

1. Snap switches and wall-box dimmers.

B. Related Sections include the following:

1. Division 26 Section "Low-Voltage Electrical Power Conductors and Cablesî for wiring.

1.03 DEFINITIONS
A. EMI: Electromagnetic interference.

B. Pigtail: Short lead used to connect a device to a branch-circuit conductor.

C. RFI: Radio-frequency interference.

D. UTP: Unshielded twisted pair.

1.04 SUBMITTALS
A. Product Data: For each type of product indicated.

1. Dimmer switch submittals shall include written certification of compatibility from the lighting fixture manufacturer.

B. Field quality-control test reports.

C. Operation and Maintenance Data: For wiring devices to include in all manufacturers' packing label warnings and instruction manuals that include labeling conditions.

1.05 QUALITY ASSURANCE
A. Source Limitations: Obtain each type of wiring device and associated wall plate through one source from a single manufacturer. Insofar as they are available, obtain all wiring devices and associated wall plates from a single manufacturer and one source.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in CEC, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

C. Comply with CEC.

1.06 COORDINATION
A. Receptacles for Owner-Furnished Equipment: Match plug configurations. 26 27 26

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PART 2 - PRODUCTS

2.01 MANUFACTURERS
A. Products furnished by the following Manufacturers shall be acceptable if in compliance with all features specified herein and indicated on the Drawings.

1. Switches, receptacles and coverplates:
a. Leviton Mfg. Company Inc. (Leviton).
b. Hubbell Incorporated; Wiring Device-Kellems (Hubbell). c. Pass & Seymour/Legrand (Legrand)

2. Occupancy/vacancy sensors switches, time switches:
a. SensorSwitch, Inc.
b. Wattstopper
c. Cooper Controls ìGreengateî
d. Leviton
e. Hubbell Building Automation, Inc.

3. Floor mounted service boxes:
a. Legrand
B. Substitutions: Under provisions of Section 26 05 00: Common Work Results for Electrical.

2.02 RECEPTACLES
A. Standards:

1. Provide general purpose 20amp, 125/250volt AC receptacles that conform to NEMA WD1 Specifications. Specialty receptacles shall conform to NEMA WD-5 Specifications as applicable.

2. Provide NEMA 5-20R, industrial (heavy-duty) specification grade as noted herein, 20amp, 125volt AC, 2-pole, 3-wire grounding type receptacles.

3. Receptacles shall be the standard conventional style device.

4. Receptacles shall be tamper-resistant to meet the requirements of CEC Article 406.12.

B. Color:

1. Device color shall be as selected by the Architect, unless otherwise noted.

2. Devices connected to an emergency circuit shall be red.

2.03 STRAIGHT-BLADE RECEPTACLES
A. Tamper-Resistant Single Outlet Receptacles, 125 V, 20 A: Comply with NEMA WD 1, NEMA WD 6 Configuration 5-20R, and FS W-C-596.

1. Provide self-grounding back and side wired with binding head staked terminal screw.

2. Products: Subject to compliance with requirements, provide one of the following:
a. Hubbell; #5361 series.
b. Leviton; #5361 series.
c. Pass & Seymour; #5361 series.

B. Tamper-Resistant Convenience Duplex Receptacles, 125 V, 20 A: Comply with NEMA WD 1, NEMA WD 6 Configuration 5-20R, and FS W-C-596.

1. Provide self-grounding back and side wired with binding head staked terminal screw.

2. Products: Subject to compliance with requirements, provide one of the following:
a. Hubbell; #5362 series.
b. Leviton; #5362 series.
c. Pass & Seymour; #5362 series.
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C. Half Controlled Tamper-Resistant Convenience Receptacles 125 V, 20A: Comply with NEMA WD 1, NEMA WD 6 Configuration 5-20R, and FS W-C-596.

1. NEMA-approved and CEC, CA Title 24 compliant: Permanently marked with universal symbol for controlled receptacle and the word ìCONTROLLEDî.

2. Controlled duplex receptacles shall include split circuit hot tab for one controlled outlet, and one uncontrolled.

3. Controlled double duplex receptacle shall consist of one uncontrolled general-purpose duplex receptacle, and one controlled duplex receptacle.

4. For half controlled receptacle with split-circuit hot tab, use:
a. Pass & Seymour #5362CH
b. Hubbell BR20C1
c. Leviton 5362-1P

5. For dual controlled receptacle, use:
a. Pass & Seymour #5362CD
b. Hubbell BR20C2
c. Leviton 5362-2P.

D. USB Charger Type Tamper-Resistant Specification Grade Duplex Receptacle 125 V, 20A:

Comply with NEMA WD 1, NEMA WD 6 Configuration 5-20R, and FS W-C-596.

1. Two 5-volt DC USB Type A charging ports; compatible with USB 2.0 and 3.0 devices, and capable of charging two devices simultaneously while using receptacles.

2. Comply with USB battery charging spec USB BC1.2.

3. Minimum 3.1 amps total charging capacity.

4. Products: Subject to compliance with requirements, provide one of the following types:
a. Pass & Seymour TR5362USB series.
b. Hubbell USB20X2 series.
c. Leviton #T5832 series.

2.04 GFCI RECEPTACLES
A. General Description:

1. Straight blade, Tamper-Resistant non-feed-through type.

2. Comply with NEMA WD 1, NEMA WD 6, UL 498, UL 943 Class A, and FS W-C-596. a. Provide 20amp, 125volt AC, receptacles consisting of NEMA 5-20R duplex device with integral solid state sensing and signaling circuitry capable of detecting and interrupting a maximum 5-milli-amp line-to-ground fault current in approximately 1/40th of a second.
b. Provide visual device with trip indication, manual reset, and test mechanisms and with point of use and multi-outlet protection.
c. Provide self-test and monitor feature with visual indicators on device face representing power status, trip condition, ground fault condition and end of life status.
d. Provide weather resistant devices at all damp and wet locations.

B. Duplex GFCI Specification Grade Convenience Receptacles, 125 V, 20 A, double sided contact, back side wired:

1. Building Interior Locations:
a. Pass & Seymour #2097TR series
b. Hubbell GFTRST20 series
c. Leviton #S7899 series

2. Exterior Locations: Weather Resistant Listed.
a. Pass & Seymour #2097TRWR series
b. Hubbell GFTWRST20 series
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