EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-3
3. Other locations:
a. Interior dry areas where the surfaces are not exposed to moisture or humidity in excess of typical local environmental conditions.
1.04 SUBMITTALS
A. General:
1. Submit as specified in Section 01330 Submittals.
2. Submit information listed for each type of anchor or fastener to be used.
B. Action submittals:
1. Product data:
a. Post-installed anchors.
i. For each anchor type, manufacturer’s data including catalog cuts showing anchor sizes and construction, materials and finishes, and load ratings.
2. Samples:
a. Samples of each type of anchor, including representative diameters and lengths, if requested by the City.
3. Certificates:
a. Post-installed anchors:
i. Manufacturer’s statement or certified test reports demonstrating that anchors that will be supplied to the site comply with the materials properties specified.
4. Manufacturer’s instructions.
a. Requirements for storage and handling.
b. Recommended installation procedures including details on drilling, hole size (diameter and depth), hole cleaning and preparation procedures, anchor insertion, and anchor tightening.
c. Requirements for inspection or observation during installation.
1.05 QUALITY ASSURANCE
A. Qualifications:
1. Post installed anchors shall be in accordance with building code specified in Section 01410 Regulatory Requirements.
B. Special inspection:
1. Provide special inspection of post-installed anchors as specified in Section 01455 Special Tests and Inspections and this Section.
1.06 DELIVERY, STORAGE, AND HANDLING
A. Deliver post-installed anchors in manufacturer’s standard packaging with labels visible and intact.
Include manufacturer’s installation instructions.
B. Handle and store anchors and fasteners in accordance with manufacturer’s recommendations and as required to prevent damage.
C. Protect anchors from weather and moisture until installation.
PART 2 PRODUCTS
2.01 MANUFACTURED UNITS
A. General:
1. Furnish threaded fasteners with flat washers and hex nuts fabricated from materials corresponding to the material used for threaded portion of the anchor. a. Post-installed anchors: Provide flat washers and nuts supplied for that product by the manufacturer of each anchor.
EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-4
2. Size of anchors and fasteners, including diameter and length or minimum effective embedment depth: As indicated on the Drawings or as specified in this Section. In the event of conflicts, contact the City for clarification.
3. Where anchors and connections are not specifically indicated on the Drawings or specified, their material, size and form shall be equivalent in quality and workmanship to items specified.
B. Materials:
1. Provide and install anchors of materials as in this Section.
2.02 POST-INSTALLED ANCHORS AND FASTENERS - ADHESIVE
A. Epoxy bonding of reinforcing bars, all thread rods, and threaded inserts in concrete: As specified in Section 03055 Epoxy Bonding Reinforcing Bars and All Thread Rods in Concrete.
B. Epoxy bonding of reinforcing bars, all thread rods, and threaded inserts in masonry: As specified in Section 04055 Epoxy Bonding Reinforcing Bars and All Thread Rods in Masonry.
2.03 POST-INSTALLED ANCHORS AND FASTENERS – MECHANICAL
A. General
1. Post-installed anchors used for the Work shall hold current ICC Evaluation Service Report demonstrating acceptance for use.
a. Conditions of use: The acceptance report shall indicate acceptance of the product for use under the following conditions:
i. In regions of concrete where cracking has occurred or may occur. ii. To resist short-term loads due to wind forces.
iii. To resist short-term loading due to seismic forces for the Seismic Design Category of the structure where the product will be used.
2. Substitutions: When requesting product substitutions, submit calculations, indicating the diameter, effective embedment depth and spacing of the proposed anchors, and demonstrating that the substituted product will provide load resistance that is equal to or greater than that provided by the anchors listed in this Section. a. Calculations shall be prepared by and shall bear the signature and seal of a professional civil or structural Engineer licensed in the State of California. b. Decisions regarding the acceptability of proposed substitutions shall be at the discretion of the Engineer.
B. Concrete anchors:
1. Description: Post-installed anchor assembly consisting of a threaded stud and a surrounding wedge expansion sleeve that is forced outward by torquing the center stud to transfer loads from the stud to the concrete through bearing, friction or both. (Sometimes referred to as “expansion anchors” or “wedge anchors.”)
a. Do not use slug-in, lead cinch, and similar systems relying on deformation of lead alloy or similar materials to develop holding power.
2. Concrete anchors for anchorage to concrete:
a. Acceptance criteria. Concrete anchors shall have a current ICC-ES Report demonstrating that the anchors have been tested and qualified for performance in both cracked and un-cracked concrete, and for short term loading due to wind and seismic forces for Seismic Design Categories A through F in accordance with ACE 355.2 and ICC-ES AC193 (including all mandatory tests and optional tests for seismic tension and shear in cracked concrete).
b. Manufacturers: One of the following or equal:
i. Hilti: Kwik Bolt TZ Expansion Anchor.
ii. Powers fasteners: PowerStud+ SD2.
iii. Simpson Strong-Tie®: Strong Bolt 2 Wedge Anchor.
c. Materials.
i. Stainless steel: Type 316
EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-5
1) Type 304 Stainless steel acceptable for use at wet and moist locations when accepted in writing by the City.
ii. Galvanized: Carbon Steel, zinc plated in accordance with ASTM B 633, minimum 5 microns (Fe/Zn 5).
2.04 APPURTENANCES FOR ANCHORING AND FASTENING
A. Anchor bolt sleeves:
1. Having inside diameter approximately 2 inches greater than bolt diameter and minimum 10- bolt diameters long.
2. Plastic sleeves:
a. High-density polyethylene, corrugated sleeve, threaded to provide adjustment of location on the anchor bolt.
3. Fabricated steel sleeves:
a. At galvanized carbon steel anchor bolts, provide galvanized carbon steel sleeves. b. At stainless steel anchor bolts, provide stainless steel sleeves of same Type (304 or 316) as bolt, except that sleeves shall be constructed from low carbon stainless steel for welding (304L or 316L).
B. Isolating sleeves and washers.
1. Manufacturers: One of the following or equal:
a. Central Plastics Company, Shawnee, Oklahoma.
b. Corrosion Control Products, PSI Inc., Gardena, CA.
2. Sleeves: Mylar, 1/32 inch thick, 4,000 volts per mil dielectric strength, of proper size to fit bolts and extending halfway into both steel washers.
3. One sleeve required for each bolt.
4. Washers: The inside diameter of all washers shall fit over the isolating sleeve and both the steel and isolating washers shall have the same inside diameter and outside diameter. a. Proper size to fit bolts. 2 insulating washers are required for each bolt. b. Two 1/8-inch-thick steel washers for each bolt.
c. G3 Phenolic:
i. Thickness: 1/8 inch.
ii. Base material: Glass.
iii. Resin: Phenolic.
iv. Water absorption: 2 percent.
v. Hardness (Rockwell): 100.
vi. Dielectric strength: 450 volts per mil.
vii. Compression strength: 50,000 pounds per square inch. viii. Tensile strength: 20,000 pounds per square inch.
ix. Maximum operating temperature: 350 degrees Fahrenheit.
C. Coating for repair of galvanized surfaces.
1. Manufacturers: One of the following or approved equal:
a. Galvinox.
b. Galvo-Weld.
D. Thread coating. For use with threaded stainless steel fasteners.
1. Manufacturers: One of the following or equal:
a. Never Seez Compound Corporation, Never-Seez.
b. Oil Research, Inc., WLR No. 111.
PART 3 EXECUTION
3.01 EXAMINATION
A. Examine Work in place to verify that it is satisfactory to receive the Work of this Section. If unsatisfactory conditions exist, do not begin this Work until such conditions have been corrected.
EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-6
3.02 INSTALLATION: GENERAL
A. Tie post-installed anchors to welded wire reinforcement at a minimum height of 1-inch above existing concrete slab.
B. Anchors for welded wire reinforcement shall be spaced at 3-ft on-center throughout entirety of existing concrete slab.
C. Where anchors and fasteners are not specifically indicated on the Drawings or specified, make attachments with materials specified in this Section.
B. Protect products from damage during installation. Take special care to protect threads and threaded ends.
C. Accurately locate and position anchors and fasteners.
1. Unless otherwise indicated on the Drawings, install anchors perpendicular to the surfaces from which they project.
2. Install anchors so that at least 2 threads, but not more than 1/2 inch of threaded rod, projects past the top nut.
D. Interface with other products:
1. Where steel anchors come in contact with dissimilar metals (aluminum, stainless steel, etc.), bolt with stainless steel bolts and separate or isolate dissimilar metals using isolating sleeves and washers.
2. Prior to installing nuts, coat threads of stainless-steel fasteners with thread coating to prevent galling of threads.
3.03 INSTALLATION: POST-INSTALLED ADHESIVE ANCHORS
A. Epoxy and acrylic adhesive bonding of reinforcing bars, all thread rods, and internally threaded inserts in concrete: As specified in Section 04055 Epoxy Bonding Reinforcing Bars and All Thread Rods in Concrete.
B. Epoxy and acrylic adhesive bonding of reinforcing bars, all thread rods, and internally threaded inserts in masonry: As specified in Section 04055 Epoxy Bonding Reinforcing Bars and All Thread Rods in Masonry.
3.04 INSTALLATION: POST-INSTALLED MECHANICAL ANCHORS
A. General:
1. Install anchors in accordance with the manufacturer’s instructions, ACI 355.2, the anchor’s ICC-ES Report. Where conflict exists between the ICC-ES Report and the requirements in this Section, the requirements of the ICC-ES Report shall control.
2. Where anchor manufacturer recommends the use of special tools and/or specific drill bits for installation, provide and use such tools.
3. After anchors have been positioned and inserted into concrete or masonry, do not:
a. Remove and reuse/reinstall anchors.
b. Loosen or remove bolts of studs.
B. Holes drilled into concrete and masonry.
1. Do not drill holes in concrete or masonry until the material has achieved its minimum specified compression strength (f’c or f’m).
2. Accurately locate holes.
a. Before drilling holes, use a reinforcing bar locator to identify the position of all reinforcing steel, conduit, and other embedded items within a 6-inch radius of each proposed hole.
b. If the hole depth exceeds the range of detection for the rebar locator, the Engineer may require radiographs of the area designated for investigation before drilling commences.
EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-7
3. Exercise care to avoid damaging existing reinforcement and other items embedde d in concrete and masonry.
a. If embedments are encountered during drilling, immediately stop work and notify the City. Await City’s instructions before proceeding.
4. Unless otherwise indicated, drill holes perpendicular to the concrete surface into which they are placed.
5. Drill using anchor manufacturer’s recommended equipment and procedures. a. Unless otherwise recommended by the manufacturer, drill in accordance with t he following:
i. Drilling equipment: Electric or pneumatic rotary type with light or medium impact. Where edge distances are less than 2 inches, use lighter impact equipment to prevent micro-cracking and concrete spalling during drilling process.
ii. Drill bits: Carbide-tipped in accordance with ANSI B212-15. Hollow drills with flushing air systems are preferred.
6. Drill holes at manufacturer’s recommended diameter and to depth required to provide the effective embedment indicated.
7. Clean and prepare holes as recommended by anchor manufacturer and as required by the ICC-ES Report for that anchor.
a. Unless otherwise recommended by anchor manufacturer, remove dust and debris using brushes and clean compressed air.
b. Repeat cleaning process as required by the manufacturer’s installation instructions. c. When cleaning holes for stainless steel anchors, use only stainless steel or non- metallic brushes.
C. Insert and tighten (or torque) anchors in full compliance with the manufacturer’s installation instructions.
1. Once anchor is tightened (torque), do not attempt to loosen or remove its bolt or stud.
D. Concrete anchors: Minimum effective embedment lengths unless otherwise indicated on the Drawings:
Concrete Anchors
Nominal Diameter Minimum Effective Embedment Length
In Concrete In Grouted Masonry
3/8 inch 2 1/2 inch 2 5/8 inch
E. Flush shell anchors:
1. Flush shell anchors are not permitted in the Work.
2. If equipment manufacturer’s installation instructions recommend the use of flush shell anchors, contact City before proceeding.
3.05 FIELD QUALITY CONTROL
A. Post-installed anchors:
1. Review anchor manufacturer’s installation instructions and requirements of the Evaluation Service Report (hereafter referred to as “installation documents”) for each anchor type and material.
2. Certify in writing to the City that the depth and location of anchor holes conforms to the requirements of the installation documents.
3.06 NON-CONFORMING WORK
A. Remove miss-aligned or non-performing anchors.
B. Fill empty anchor holes and repair failed anchor locations using high-strength, non-shrink, non- metallic grout.
C. If more than 10 percent of all tested anchors of a given diameter and type fail to achieve their specified torque or proof load, the City will provide directions for required modifications. Make EXHIBIT 2
Mechanical Anchoring and Fastening to Concrete and Masonry 05190-8
such modifications, up to and including replacement of all anchors, at no additional cost to the City.
3.07 SCHEDULES
A. Provide and install anchor materials as scheduled in the following table:
Table – Required Anchoring Materials by Location
Location/Exposure Materials Notes
1. Anchors for attaching welded wire mesh, equipment and its appurtenances a) All locations Stainless steel – Type 316
1 Notes: 1. Where anchors are in contact with a metal that differs from that of the anchor, provide isolation sleeves and washers.
END OF SECTION
EXHIBIT 2
Odor Control System
11332-1
SECTION 11332
ODOR CONTROL SYSTEM
PART 1 GENERAL
1.01 DESCRIPTION
A. Scope: The work specified herein shall include furnishing, installing and putting into operation all equipment and materials necessary to provide the City with a complete skid-mounted activated carbon odor control system for the control of atmospheric hydrogen sulfide and other sewer odors.
The Contractor shall be responsible for providing a complete Odor control System that shall include, but not be limited to all system appurtenances, blower, skid, control system, recirculation and metering pumps, in accordance with these specifications.
B. Work Included in This Section. Principal items include the following:
1. Odor Control System
2. Grease/Mist Filter
3. Miscellaneous Materials
C. Related Work Specified Elsewhere:
1. Metals – Division 5
2. Piping and Valves – Division 15
3. Painting – Division 9
4. Electrical – Division 16
The odor control system shall be new and of current manufacture and shall be of equal or superior quality and performance to the manufacturers listed herein.
The equipment shall be the standard product of a manufacturer who is regularly engaged in design and construction of activated carbon odor control systems . Furnish City with evidence of at least five installations of similar size ( 2000 cfm) to demonstrate that equipment installed by the manufacturer has performed satisfactorily in similar ci rcumstances. These five installations shall each have been in operation at least one year.
1.03 SUBMITTALS
Submit complete Operation and Maintenance Manuals in conformance with section 01330, Submittals, including all material safety data sheets, equipment inst allation instructions, startup instructions, equipment maintenance procedures and troubleshooting guide. Individual operation and maintenance information on each major system component shall be included.
1.04 OPERATING CONDITIONS
All equipment supplied under th is Section shall be suitable for indoor installation and capable of operating continuously at ambient air temperatures ranging from 36 degrees Fahrenheit to 115 degrees Fahrenheit. Site altitude is at sea level.
PART 2 PRODUCTS
2.01 GENERAL
A. The odor control system shall be rated for continuous operation. The odor control system shall be a complete, full y-integrated design and shall be mounted on foot and flange mounted to permit future relocation. The odor control system shall be internally wired for power and instrumentation/control and piped and valved f or air distribution among system components.
EXHIBIT 2
Odor Control System
11332-2
Installation of the odor control system shall include bolting the skids to a foundation slab, connection electrical service to the system, connecting the air inlet to the existing service air distribution system, and connecting instrumentation and control outputs, as specified herein.
B. Size and Capacity: The odor control system shall be capable of delivering a flow of 1,800 CFM with a peak Hydrogen Sulfide concentration of 50 ppm. The air stream shall originate from an air stream from a sanitary pipeline and wet well.
2.02 FABRICATION AND MANUFACTURE
A. Odor Control System.
1. General: The odor control system shall consist of one standalone High Flow Series HF - 2000-S Skid-mounted model or approved equal. System air flow capacity should be a minimum of 1800 CFM, with a peak Hydrogen Sulfide concentration of 50 PPM for an air stream originating from a sanitary pipeline and wet well. Components within the odor control unit shall conform to the specifications listed below. The system shall be capable of continuous, automatic operation and also be capable of manual operation. The system shall withstand an operating temperature of 122℉.
a. The overall system size, including the fan, controls, and appurtenances shall not exceed the dimensions of the existing concrete pad. Access manways shall be provided to allow access to the system internals.
b. All components of the odor control system shall be compatible with the conditions and chemicals for which they are subjected during the normal operation of the system. Compounds with which the materials must be compatible include, but are not limited to:
i. Hydrogen Sulfide
ii. Sodium Hydroxide
iii. Sodium Hypochlorite
iv. Acids
c. System shall include automatic drain valve in order to drain condensation from canister.
d. New odor control system shall connect to existing air inlet pipe which has a diameter of 12-inches.
2. Canister: Activated carbon canister shall be HF-2000 model or approved equal . Canister shall include a removeable top, a differential pressure gauge, and shall be mounted on epoxy-coated skid.
a. Canister material shall be Fiber-Reinforced Plastic.
3. Activated Carbon: Canister shall contain an initial fill of activated carbon media intended to remove Hydrogen Sulfide for odor control.
4. Fan: Odor control system fan should be rated for a minimum of 1800 CFM. Fan shall rotate counterclockwise and bottom horizontal. Fan shall not include an isolator and shall include a weather guard. Fan material shall be Fiber-Reinforced Plastic.
5. Main Drive Motor and Starter : The main drive motor shall be 7.5 horsepower minimum TEFC, premium efficiency and shall comply with the requirements of Division 16. Motor and starter shall be designed for 3600 RPM and 460/230 volt, 3 phase, 60 hertz power supply equipped with Class F insulation.
EXHIBIT 2
Odor Control System
11332-3
6. Fittings:
a. 2-inch female pipe thread fitting drain with Polypropylene ball valve. b. 2-inch female pipe thread overflow fitting with Polypropylene plug.
B. Grease/Mist Filter: A grease/mist filter shall be installed upstream of the odor control system to protect fan and carbon media from grease/mist droplets. The filter should have a Fiber-Reinforced Plastic housing, rated up to 2000 CFM. Pad for grease/mist droplet capture should be a combination of stainless steel and poly mesh. Filter shall include a differential pressure gauge.
Include ¾” drain female pipe thread fitting at bottom of housing.
C. Miscellaneous Materials : Contractor shall furnish all miscellaneous materials needed for proper installation of odor control system, which include, but are not limited to, the following:
1. Foundations, anchor bolts, shims, isolators/seismic restraints
2. Instrumentation
3. Field wiring and materials
4. Drain or air piping and tubing beyond system limits of equipment supplied
5. Hardware/gaskets for all ductwork/dampers/flex connectors
6. Duct supports, piping or pipe supports
7. Service platforms, ladders, and handrails
8. All electrical components
9. Enclosures: Enclosure shall be suitable for outdoor installation and designed to NEMA 4X standards.
D. Skid: All system components as described above shall be supplied pre-mounted on self-contained skid. The components shall be factory plumbed and wired to limit job site plumbing and wiring to utility line connections only.
The structural steel components of the skid shall be sized to carry all loads imposed during shipment and installation, as well as the equipment loads and seismic loads per UBC Zone IV. The skid shall be designed for bolt down installation on a concrete slab foundation with size and number of anchor bolts and a placement template provided by the manufacturer. Calculations signed by a California registered civil or structural engineer shall be submitted with the shop drawings.
PART 3 EXECUTION
3.01 COORDINATION
Exercise proper judgement when carrying out the work to secure the best possible headroom and space conditions throughout, to secure neat arrangement of piping, valves, fixtures, hangers, and similar appurtenances, and to overcome local difficulties and interferences of structural conditions wherever encountered. Take al l measurements for the work at the installation sites, verify all existing site conditions and ensure proper installation within the available space of the apparatus specified and shown on the Drawings. Secure the approval of the City for variations before making changes.
EXHIBIT 2
Odor Control System
11332-4
3.02 INSTALLATION
Install the odor control system in accordance with these Specifications. Furnish all piping and electrical connections required for proper operation in accordance with the applicable Sections of this Specification.
A. During installation, contractor is responsible for the following:
1. Permits
2. Off-loading and storage of all parts and materials
3. Performance tests
4. Field Painting
5. Freeze Protection, insulation, winterization, and heat tracing
6. System air balancing/Fan balancing
7. Duct work
B. Existing blower is currently placed upon a 3- ft by 3 -ft concrete base measuring a height of approximately 20-inch. If needed, Contractor shall remove and dispose of the existing concrete base.
C. The following utilities shall be provided at the site:
a. Electrical: one 480 volt, 60 Hz, three-phase electrical service shall be required.
3.03 START UP
Operate the odor control system after installation to demonstrate compliance with specified requirements.
3.04 OPERATION AND MAINTENANCE MANUALS
Provide instruction an d training of City personnel on the proper operation and maintenance of equipment, in accordance of these Specifications.
Maintenance manuals shall be submitted prior to final acceptance of the equipment.
3.05 SPARE PARTS
Furnish manufacturer recommended spares for start-up and one (1) year operation.
END OF SECTION
EXHIBIT 2
Piping and Appurtenances
15060 - 1
SECTION 15060
PIPING AND APPURTENANCES
PART 1 GENERAL
1.01 DESCRIPTION
A. Scope: The Work in this Section includes the f urnishing, installation, and testing of pipe, pipe supports, fittings, specials, and all required appurtenances as required to make the pipe system operable.
1.02 SUBMITTALS
A. All submittals shall be in accordance with Section 01300.
B. Shop drawings, complete with material, grade, and class for all pipe, fittings, and couplings and for all joints, coating, and appurtenances shall be submitted . Detailed catalog and engineering data sheets shall be submitted for all components and a proposed schedule for delivering and installing the piping shall be included.
C. Submit Manufacturer’s installation instructions, Operation & Maintenance Data, and warranty.
D. Complete erection drawings for exposed piping shall be submitted. The drawings shall show and identify the pipe, pipe joints, fittings, couplings, joint harnesses, wall sleeves with sealant and backup thicknesses, wall castings, hangers, saddles, straps and other supports, and miscellaneous details.
1. Erection and elevation drawings for all exposed piping shall show the location of the pipe, joints and couplings, critical clearances, orientation of valves, spacings of hangers and supports, and the location and size of anchor bolts.
2. Erection Procedure: The installation drawings shall be supplemented with a set of written procedures for performing the field piping installation. The procedures shall cover in detail the preparation and making of the push- on, mechanical, flanged, welded, calked, flared, hard-soldered, chemically welded and screwed joints and couplings; measures to ensure integrity of interior pipe lining and exterior protective coating at all joints and couplings; the method of backing up and sealing the annular spaces in pipe sleeves; and the installation and adjustment of pipe hangers and other supports.
1.03 PRODUCT HANDLING, DELIVERY AND STORAGE
A. General
1. Pipe shall at all times be handled with equipment designed to prevent damage to the interior or the exterior coating of the pipeline . Pipe with cement mortar lining or having any other special coating or lining shall only be handled with wide canvas or rubber covered slings. Bare cables, chain hooks, or metal bars shall not be allowed to come in contact with the coating.
B. Shipping
1. When making shipments, all chains, cables and hold- down equipment shall be carefully padded where in contact with the pipe. When the deformation is projected to exceed one percent of the diameter, each end of the pipe shall be properly braced w ith approved interior supports or spiders.
EXHIBIT 2
Piping and Appurtenances
15060 - 2
C. Unloading
1. Unloading from the trucks shall be done with care using slings as indicated above. No pipe shall be allowed to fall from trucks. Pipe shall only be unloaded using a crane or forklift.
D. Gasket
1. Gaskets shall be stored in containers or wrappers which will protect the gaskets from ozone and other atmospheric deterioration.
E. Handling and Storage of Pipe
1. Transport pipe with care to ensure that the binding and tie- down methods do not damage or deflect the pipe in any manner. Pipe bent, deflected, or otherwise damaged during shipping shall be rejected. Ensure that pipe storage at the job site conforms to manufacturer's recommendations regarding protection from long- term exposure to the sun’s rays.
PART 2 PRODUCTS
2.01 GENERAL
A. General Requirements
1. All pipe, fittings, couplings, and appurtenant items shall be new, free from defects or contamination, and wherever possible, shall be the standard product of the manufacturer.
They shall be furnished in pressure or thickness classes as specified. Unless otherwise indicated the size shown shall be the nominal pipe diameter.
B. Length: All pipe shall be furnished in a maximum of 20- foot lengths, unless indicated otherwise.
C. Raised Face Flanges
1. When flanges with raised face will be bolted directly to flat faced flanges, the raised face shall be removed, or spacers approved by the valve or pipe manufacturer shall be installed to allow bearing over 100 percent of the flange area.
D. Joints
1. All pipes above ground shall have flanged or soldered joints. Welded pipes will be permitted, provided that there are sufficient flanges at valves and equipment to permit easy disassembling. All bolts and nuts for flanges, joints and couplings shall be galvanized unless specified otherwise.
E. Pipe Schedule: Pipe materials shall conform to the piping schedule, Table 1 included within this Section.
PIPE SCHEDULE
Function Type Material
Overflow SCH 80 PPL
Drain SCH 80 PPL
Air SCH 80 PPL
2.02 PIPE HANGERS AND SUPPORTS
Pipe hangers, brackets, saddles, clamps, and other supports shall be adjustable type conforming to the requirements of ANSI B31.1, Section 6; shall have ample strength and rigidity to resist the hydraulic thrusts at changes in direction and at dead ends as well as the dead weight loads and the load carried; and shall be hot -dip galvanized, including all bolts, nuts, and threaded parts.
EXHIBIT 2
Piping and Appurtenances
15060 - 3
Where not specifically identified, computations showing adequacy of Contractor selected hangers and supports to meet these requirements shall be submitted with the Shop Drawings. Hangers and supports not identified does not relieve the Contractor from meeting all requirements specified herein. Wherever possible, brackets shall be used in lieu of hangers.
A. General: Hangers and supports shall include all hanging and supporting devices of metallic construction shown, specified, or required for pipelines, apparatus, and equipment other than electrical equipment. The Contractor’s working drawings, as required herein, shall show the quantity, type, design, and location of all hangers, and supports required under the various Contract items. Hangers and supports shall be painted the same as required for the supported piping.
1. Where specified or shown, bolts, stud bolts, rods, yokes, and nuts of hangers and supports shall be of steel. Bolts shall not be less than 1/2-inch diameter unless otherwise called for by Engineer.
B. Design: Hangers and supports shall be adequate to maintain the pipelines, apparatus, and equipment in proper position and alignment under all operating conditions and have springs where necessary. Hangers and supports shall be of standard des ign where possible, and be best suited for the service required, as approved by the City . Where required, they shall be screw adjustable after installation. Supporting devices shall be designed in accordance with the best practice and shall not be unnecessarily heavy . Hangers and supports shall be designed to resist all induced thrusts and lateral loads as required for seismic design by the Uniform Building Code, latest edition.
1. Hangers and supports shall be designed and selected in accordance with MSS Standar d Practices: SP -58, Pipe Hangers and Supports – Materials and Desi gn; and SP -69, Pipe Hangers and Supports – Selection and Application.
C. Anchors: Anchors shall be furnished and installed where specified, shown, or required for holding the pipelines and equipment in position or alignment. Anchors shall be designed for rigid fastening to the structures, either directly or through brackets. The design of all anchors shall be subject to approval by the City.
1. Anchors for piping shall be of cast iron chair type with wrought steel strap, except where anchors for m an integral part of pipe fittings or where an anchor of special design is required.
D. Inserts
1. Inserts for concrete shall be furnished galvanized and shall be installed in the concrete structures where required for fastening supporting devices. They shall be designed to permit the rods to be adjusted horizontally in one plane and to lock the rod nut or head automatically. Nail slots shall be provided in the exposed flanges of the insert. Inserts shall be designed to carry safely the maximum load that c an be imposed by the rod which they engage.
E. Materials: No use shall be made of wire, straps, or chains, for supporting piping nor shall cast expansion shields be used for anchoring bolts. Hangers and supports of metallic construction shall conform to the requirements specified herein and to the following standards:
1. Structural steel ASTM A36 & A283
2. Steel bars (grade 1022) ASTM A107
3. Steel casings (grade N-1) ASTM A27
4. Iron casings (grade 35) ASTM A42
5. Cast iron pipe fittings (class 125) ANSI B16.1
6. Malleable iron castings ASTM A47
7. Bolting materials, steel
• Bolts, yokes and stud bolts ASTM A307
• Nuts ASTM A563
EXHIBIT 2
Piping and Appurtenances
15060 - 4
• Physical requirements:
o Tensile strength 60,000-72,000 psi
o Yield strength 38,000-50,000 psi
o Elongation 27 percent maximum
o Reduction of area 35-55 percent
8. Bolting materials, silicon bronze
• Bolts, stud bolts, yokes and nuts (alloy A) ASTM B98 • Physical requirements
o Tensile strength 70,000 psi minimum
o Yield strength 38,000 psi minimum
o Elongation 17 percent maximum
9. Bolting materials, stainless steel
• Bolts, stud bolts and nuts (type 316) ASTM A276
• Physical requirements:
o Tensile strength 75,000 psi minimum
o Yield strength 30,000 psi minimum
o Elongation 35 percent maximum
o Reduction of area 45 percent maximum
10. Where specified or shown, bolts, stud bolts, roads, yokes, and nuts of hangers and supports shall be of silicon bronze or stainless steel as specified above with dimensions, threads and sizes equivalent to those specified in steel. Where submerged in process fluids or where located in covered manholes, bolts , stud bolts, rods, yokes and nuts of hangers and supports shall be of silicon bronze, unless otherwise noted.
F. Support for Piping : Brackets for support of piping from walls and columns shall be made of welded wrought steel and shall be designed for three maximum loads classified as follows:
1. Light 750 pounds
2. Medium 1,500 pounds
3. Heavy 3,000 pounds
When medium or heavy bracket bolted to walls, back plates of adequate size and thickness shall be furnished and installed to distribute the load against the wall. When used on concrete walls the back plates shall be cast in the concrete. Where the use of back plates is not practicable, the brackets shall be fastened to the wall in such a manner that the safe bearing strength of the wall will not be exceeded. Pipe rolls or chairs shall be of the cast iron type. Pipe rolls shall be provided with threaded rods.
2.03 PIPE SLEEVE SEALING MATERIALS
A. The sealant shall be one of the following approved materials which will bond securely to concrete and steel . The material shall not harden materially when exposed to weather, and shall be suitable for application by calking, knife, or gun. Certified test reports shall be submitted by the manufacturer on the actual batch of compound material furnished, showing compliance with the specifications before sealant is delivered. The several types shall conform to the following:
1. Polyurethane Compound: The compound shall be a polyurethane polymer that cures at ambient air temperature to a firm, flexible, tear -resistant rubber designed for bonding to continuously submerged surfaces. It shall have cured physical properties meeting the requirements of ANSI A115.1 and Federal Specification TT -S-00227E; shall have 150- psi minimum tensile strength and 500 percent minimum elongation when tested in accordance with ASTM Designation D412 at 75°F.
EXHIBIT 2
Piping and Appurtenances
15060 - 5
2.04 FABRICATED STEEL PIPE FITTINGS AND SPECIALS
A. General
1. Fittings and specials shall be understood to include elbows , branches, nozzles, manifolds, headers, heads, collars, stiffeners, reinforcements, and other steel fabrications relating to steel piping, but shall not include steel pipe. Contractor shall submit fabricator details of fittings and specials
B. Design
1. Contractor shall design and detail fittings and specials. Design shall be in accordance with the recommended procedures in AWWA Manual M11, as complemented and modified herein. Reinforcing for fittings and specials, shall be designed for the specified test pressure. Fittings shall conform in dimension to AWWA C208, complemented with the provisions specified in. The working stress for steel used for fabrication of pipe shall not exceed 50 percent of the yield stress.
2. The thickness of pipe, large elbows, and headers shall be the thicker of: thickness designed in accordance with the design methods specified in the preceding paragraph 1; or for pipes smaller than 72 inches in diameter, not less than 1/4 inch; for pipes 72 inches and larger, not less than 5/16 inch.
3. Ends of fittings to be welded to pipe shall be beveled for welding.
C. Fabrication
1. Steel pipe fittings and specials shall be shop fabricated in units as long as practicable for safe hauling and installation. The number of field welds shall be minimized. Fittings and specials shall be fabricated to uniform lengths with proper end clearance for the specified types of joint or attachment. Fittings and specials shall be fabricated to allow field assembly without cutting or special work.
2. The inside of fabricated steel manifolds and other fittings and specials shall receive a cement-mortar lining in accor dance with AWWA C205. Lining shall be protected during hauling, installation, and operation. Joints shall be finished as specified for pipe lining connections have been made there shall be no stress on the header, piping, or equipment; equipment shall be properly located and aligned.
PART 3 EXECUTION
3.01 GENERAL
A. Care and Handling of Material s: All materials shall be carefully handled in all steps of fabrication, storing, loading, transporting, unloading, storing at the site, and installation, using the means and following the procedures submitted with the approved shop drawings. Pipe slings used during handl ing, and tie- down straps during transit shall be not less than 4- inch wide flat fiber or plastic straps. During storage and in transit, pipe 8- inches and larger shall be rested on saddles or on another support system approved by the Engineer, which will ensure freedom from damage of the barrel, interior lining, and exterior coating. Not less than three saddles or other longitudinal pipe supports shall be used during transit.
B. Installation
1. All piping shall be installed in accordance with the procedures and methods submitted with the approved shop and erection Drawings. Such procedures and methods shall conform to or exceed the minimum requirement of the pipe manufacturer and shall be supplemented by the provisions specified herein. The interior of pipe, fittings, and couplings shall be clean and free from contamination when installed and effective means shall be taken to prevent the entrance of foreign matter during progress of the work. The types and sizes of pipes and fittings to be used shall be as s pecified herein and with the approved shop Drawings. Fittings shall be the same size as the piping and in all cases shall conform to the plumbing code requirements.
EXHIBIT 2
Piping and Appurtenances
15060 - 6
2. All pipes shall be carefully placed and supported at the proper lines and grades and where practicable shall be sloped to permit complete drainage. Piping runs shown on the Drawings shall be followed as closely as possible, except for minor adjustments to avoid architectural and structural features. If relocations are required, they shall be approved by the City.
C. Joints
1. In erecting the pipe, a sufficient number of screw unions, flanged joints, or mechanical couplings shall be used to allow any section or run of pipe to be disconnected without taking down adjacent runs. Screw unions may be employed on pipelines 3 inches in diameter and under. Flanged joints or mechanical couplings shall be employed on pipe 4 inches in diameter or larger unless otherwise specified. Dielectric unions must be installed at the junction of dissimilar metals.
D. Storage and Handling
1. During storage, handling, and transporting, every Precaution shall be taken to prevent injury to pipe. Pipe shall be handled only by means of approved h ooks on ends of sections, by means of fabric slings, or other methods approved by the Engineer for the pipe used. Mortar lined pipe shall be kept sufficiently moist to prevent drying out of the mortar lining prior to installation.
E. Verification of Dimensions: All dimensions essential to the correct location of the pipe, or fit of piping at equipment and valves, or to the proper location and orientation of pipe sleeves and wall castings, or to the avoidance of obstructions or conflict with other improvements, shall be accurately determined by the Contractor prior to fabrication of the piping involved.
1. The location of existing wall sleeves, pipe stubs shall be accurately determined by the Contractor prior to pipe fabrication. The Contractor shall be aware that some adjustments in the piping configuration may be necessary to connection to existing embedded pipes.
F. Pipe Sleeves : All piping which will pass through walls, slabs, footings, or beams shall be provided which specified pipe sleeves with annular space sealed or with wall castings. The Contractor shall provide the wall sleeves and castings for insertion in the concrete work and shall verify their correct setting prior to concrete placement. The sleeve sealant shall be Synko-flex. No pipe joint will be allowed to occur in the sleeve. The seal on both ends of the sleeve shall be flush with the concrete surfaces on completion of work and drying of sealant.
Caulking and sealing of wall sleeves shall conform to the following requirements:
1. Preparation for Sealing: The annular space between the pipe and sleeve shall be cleaned of all loose particles and contamination, and shall be dry prior to sealing. Tape or other recommended protection shall be applied on the structure surfaces to preclude contamination by the sealant, and any contamination which occurs shall be removed immediately, followed by a thorough washing of the surfaces with solvent. Prepared compound not used during the application time limits designated by the manufacturer of such compound shall be discarded.
2. Application of Compound Sealant : The sealing shall be performed after any required primer has been applied and backup material placed. The work shall be performed in accordance with the submitted erection drawing detail and procedure, and all grooves shall be solidly filled. The application shall be made in clean straight lines free of wrinkles, be tooled as required and finished with a convex su rface just sufficient to provide the required flush surface upon drying. Work shall not be performed when the air temperature is below 50 degrees F.
3.02 ABOVE GROUND NONBURIED PIPING
A. Pipe Installation
1. All piping shall be installed in accordance with the erection drawings and the erection EXHIBIT 2
Piping and Appurtenances
15060 - 7
procedure submitted with the approved shop or erection drawings. The horizontal piping shall be run parallel to the building walls and shall be level except where otherwise shown or specified; parallel lines shall be grouped on the same horizontal or vertical plane wherever possible. Vertical piping shall be plumb, and the entire piping configuration shall allow adequate clearances for convenient access for painting and preventive maintenance of valves. Piping shall clear obstructions, preserve headroom, and keep openings and passageways clear. If structural difficulties or other work prevent the running of pipes or the setting of equipment , the necessary minor deviations therefrom, as determined by the Contractor and ap proved by the City , will be allowed, and shall be shown on the erection drawings to be furnished. Except as otherwise shown or specified, piping installation work shall conform to the requirements of the printed or written recommendations of the manufacturer of the product involved for the given conditions, as approved.
B. Joint Installation: Installation of joints and couplings shall conform to the following requirements:
1. Joints and Couplings: Joints and couplings shall be made in accordance with the specified requirements made part of the erection procedure submitted by the Contractor.
2. Pipe Threads : Pipe threads shall be in accordance with the requirements of ANSI B2.1, and shall be cut full and free from torn or ragged surfaces. No more than three threads on the pipe at any joint shall remain exposed after installation. Threaded joints shall be established with Teflon tape applied to the male ends only. The use of thread cement or caulking of threaded joints to stop or prevent leakage will not be permitted. Sharp-toothed pipe wrenches or similar wrenches shall not be used in making up copper or brass pipe.
3. Flanged Joints : Flanged joints shall be made with gaskets centered in the joint. Bolts, studs, and nuts shall be lubricated with graphite and oil so that the nuts can be turned by hand. Care shall be taken to prevent excessive initial tension to the bolt and studs and so that the tension applied is as nearly uniform as possible. The rust preventative compound applied to the faces of flanges before shipment shall be removed before installation.
Where slip-on flanges are used, they shall be fillet welded to the pipe on both front and back sides.
4. Tubing: Tubing which is to be soldered shall be cut square, and all burrs shall be removed.
Both the inside of the fitting and the outside of the tubing shall be well cleaned with steel wool before sweating. Care shall be taken to prevent annealing of fittings or hard- drawn tubing when making connections. Joints for soldered fittings shall be made with a non- corrosive, paste flux and solid string or wire solder composed of 40 percent tin and 60 percent lead. Soft solder or cored solder will not be permitted. Tubing to be coupled with flared compression type fittings shall conform to the applicable provisions of the Joint Industry Conference (JIC) Standards and the recommendations of the manufacturer.
5. Mechanical Coupling Type Joints of the sleeve, grooved mechanical, split sleeve, and flanged coupling adapter types shall be made in accordance with the printed instructions of manufacturer. The pipe ends to receive the couplings shall be finished to the outside diameter and surface finish required by the coupling manufacturer. Prior to assembly, all surfaces which will be inaccessible after installation shall be given protective coating.
6. Clamp Coupling: End rings shall be welded to the pipe ends. The size and length of welds shall be as recommended by the coupling manufact urer based upon a specified minimum test pressure of 100 psig or the pipe system test pressure, whichever is greater. The welding procedures shall conform to the recommendations of the pipe manufacturer.
Couplings shall be installed in accordance with the manufacturer's recommendations.
Contractor shall furnish “large closure” and “medium closure” tools from the manufacturer for use by the City.
7. Joint Harnesses shall be provided at sleeve type coupling joints on pressure pipelines and at all pump discharge piping. The harnesses shall be tightened just sufficiently to preclude displacement of the downstream piping under hydraulic thrust.
8. Electrical Insulation joints shall be provided at all connections between dissimilar metals EXHIBIT 2
Piping and Appurtenances
15060 - 8
and ferrous and non- ferrous pipe except where the nonferrous pipe is an electrical non- conductor. The joints shall be tested after completion to verify non-conductivity.
9. PVC Pipe Joints at fittings and couplings to valves and equipment shall be made in accordance with the manufacturer’s printed instructions.
3.03 WELDING
A. The Contractor shall be responsible for the quality of work performed by his welding organization. All welding operators shall be qualified under the Standard Qualification procedure of the American Welding Society. All welds shall be made by an electric shielded arc method of welding. Field welding of all joints shall be in conformance with AWWA C206.
B. The City shall have the right at any time to call for and witness the making of test specimens by any welder in accordance with these Specifications, and the expense of such tests shall be borne by the Contractor.
C. Welds considered by the City to be deficient in quality or made contrary to any mandatory provision of these specifications, shall be removed throughout its depth to expose clean base metal, but in case of a strictly local deficiency, the weld need not be removed throughout its entire length, provided that sufficient amount shall be removed to insure that sound weld metal, only, remains. A cracked weld shall be removed throughout its length.
3.04 IDENTIFICATION OF PIPING
A. Piping Systems : Identification of piping systems shall conform to the requirements of ANSI A13.1, “Scheme for the Identification of Piping System,” unless otherwise specified herei n.
B. Color Identification
1. All exposed and or unb uried pipe, including tubing, galvanized pipe, polyvinyl chloride pipe, and stainless -steel pipe, shall be identified by color to show its use function. Color bands of an approved taped type may be used on PVC, stainless steel pipe and all other pipe not readily susceptible to painted finish. Markers shall be adhesive type with extra strength and suitable for continuous duty at 250 degrees F. All markers shall have a protective silicone film.
C. Color Schedule: Conform to Process Piping Color Code Schedule in Section 09900.
3.05 TESTING
A. The Contractor shall perform operational tests as specified herein. Testing requirements are summarized in a table at the end of this section and specified below. The Contractor shall perform all work required to locate and repair leaks and correct other defects which may be disclosed or develop under tests; the Contractor shall replace all coating, painting, or other permanent work removed in locating or repairing leaks and correcting defective piping. All gauges and control devices connected to lines being tested must be disconnec ted for the duration of the test. Water shall not be used in testing air lines or other gas carrying pipes. The Contractor shall furnish and install a chart type recording meter for the pressure tests. The Contractor shall submit to the City before and after the test the gauge and meter used so that these devices may be tested by the City.
B. Pressure Air Testing Requirements
1. All piping carrying air or other gases under pressure shall be given a pressure test as specified herein and at the test pressures given in Table 3, Pipe Testing Schedule. No leakage is permitted. There shall be no drop in pressure in a 24- hour period. Leaks shall be located and repaired to the satisfaction of the City. Pressure drops due to thermal contraction are acceptable if the pressure returns to the ori ginal test pressure after 24 EXHIBIT 2
Piping and Appurtenances
15060 - 9
hours.
C. Pressure Tests
1. General: Air piping shall be tested using air or nitrogen.
2. Joint Exposure : All exposed pipe, fittings, valves, and joints shall be carefully inspected.
All defects discovered shall be corrected by removal and replacement, as approved by the City, and the work then retested to demonstrate satisfactory performance.
D. Leakage Tests
1. Leakage tests shall be conducted concurrently with pressure test. The lowest pressure during the leakage test shall be no less than 5 psi below the pressure used in the pressure test. Tests shall be performed only in the presence of the City, or if scheduling of tests is such that the City cannot attend due to conflicting commitment, tests may be performed without the City’s presence if the Contractor obtains written permission to do so from the City prior to initiation of testing. No test report will be accepted unless proof of compliance with the foregoing requirement accompanies the test report.
3.06 FLUSHING
A. All piping shall be flushed clean of all dirt and foreign material following completion of the leakage test. Air piping shall be purged with air or inert gas as directed by the City.
B. Equipment and Supplies : The Contractor shall provide all equipment, and supplies for performing the work, and shall waste the water at locations or by procedures approved by the City. The Contractor shall be responsible for furnishing fittings and all special pipe taps required for injecting any required sterilizing solution.
END OF SECTION
EXHIBIT 2
Equipment Identification
15075 - 1
SECTION 15075
EQUIPMENT AND PIPE IDENTIFICATION
PART 1 GENERAL
1.01 SUMMARY
A. Section includes:
1. Equipment nameplates.
2. Marking of all above ground piping and appurtenances. See Related Sections for additional requirements applicable to this Section.
3. Special items.
B. Related sections:
1. The Contract Documents are complementary; what is called for by one is as binding as if called for by all.
2. It is the C ontractor’s responsibility for scheduling and coordinating the Work of subcontractors, suppliers, and other individuals or entities performing or furnishing any of Contractor’s Work.
3. The following sections are related to the Work described in this Section. This list of related sections is provided for convenience only and is not intended to excuse or otherwise diminish the duty of the C ontractor to see that the completed Work complies accurately with the Contract Documents.
a. Division 1 - General Conditions.
1.02 REFERENCES
A. American National Standards Institute (ANSI)/ASME:
1. A13.1 – Scheme for the Identification of Piping Systems.
1.03 SUBMITTALS
A. All submittals shall be in accordance with Section 01300.
B. Submit product data and the pipe schedule with the proposed marker legend (text , colors, arrows).
C. Submit Manufacturer’s installation instructions, Operation & Maintenance Data, and warranty.
PART 2 PRODUCTS
2.01 MANUFACTURERS
A. For pipe marking systems:
1. Lab Safety Supply (800) 356-0783
2. Seton (800) 571-2596
3. Emedco (800) 442-3633
4. Or approved equal
EXHIBIT 2
Equipment Identification
15075 - 2
2.02 MATERIALS
A. Pipe Markers: Self-adhesive vinyl indoor/outdoor markers with a service temperature range of -40 to 180 degrees F. Lab Safety Supply Panduit system or equal. Color codes per ANSI/ASME reference standard. Where multiple color selections are available, submit choices to Engineer. Provide custom text markers to meet identification needs of all new piping. Letter heights shall meet the following criteria.
1. Pipe size less than 3/4 inch: 3/8 inch
2. Pipe size between 3/4 to 2-1/2 inch: 3/4 inch
3. Pipe size between 3 to 6 inch: 1-1/4 inch
4. Pipe size greater than 6 inch: 3-1/2 inch
5. Pipe Marker Colors:
Service Lettering Color Background Color
a) Flammables, chemicals, toxics Black Yellow
b) Water, non-toxic, or low hazard fluids White Green c) Non-flammable or non-toxic gas White Blue
d) Fire quenching fluids (water) White Red
B. Piping Flow Direction Arrows: Vinyl, 4-mil minimum, self-adhesive arrow tape, 2-inches wide, color to match pipe marker colors for each service, Lab Safety Arrow/Pipe Banding Tape or equal.
C. Piping Identification Tags and Chains: Stainless steel tags with 3/16- inch high lettering and capable of 20 characters in three lines, custom embossed text describing pipe service, punched for chain mounting; Lab Safety Supply Custom- Embossed Stainless Steel Tags, style B, or equal. Chain shall be stainless steel or aluminum beaded chain.
2.03 EQUIPMENT NAMEPLATES
A. Material and fabrication:
1. Stainless steel sheet engraved or stamped with text, holes drilled, or punch for fasteners.
B. Fasteners:
1. Number 4 or larger oval head stainless steel screws or drive pins.
C. Text:
1. Manufacturer’s name, equipment model number and serial number, identification tag number, capacity; when appropriate, pressure, drive speed, motor horsepower with rated capacity, fan horsepower with rated capacity
2.04 SPECIAL ITEMS
A. In addition, special coating of following items will be required:
Item Color
Valve handwheels and levers Red
Hoist hooks and blocks Yellow and black stripes
B. Paint minimum 2 inches high numbers on or adjacent to accessible valves, pumps, flowmeters, and other items of equipment which are indicated on the Drawings or in Specifications by number.
EXHIBIT 2
Equipment Identification
15075 - 3
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify satisfactory conditions of substrate for applying identification.
B. Verify that conditions are satisfactory for installation and application of products as specified in Division 1 General Conditions.
3.02 PREPARATION
A. Prepare and coat surfaces as specified in Section 09960A High-Performance Coatings.
B. Prepare surface in accordance with product manufacturer's instructions.
3.03 PIPE MARKERS AND ARROWS
A. Each new exposed pipe or tubing greater than 5/8 inch in diameter shall be labeled with the name of the fluid contained, and alongside this marker, an arrow shall be placed indicating the direction of flow of the fluid. Piping that is insulated shall have the markers placed on the outside of the insulation. Place pipe markers and arrows so that they are readily visible from adjoining walkways and operating positions.
B. A pipe marker and flow direction arrow shall be applied to each exposed pipe:
1. On each side of interior walls, floors, and ceilings the pipe penetrates.
2. At a maximum of 50 feet on center on long runs.
3. At each intersection and branching of piping.
4. At each connection point.
5. At each pressure control, pressure relief valve, and pressure gauge.
6. At each piece of equipment connected to a pipe.
3.04 PIPE IDENTIFICATION TAGS
A. Fasten pipe identification tags to each pipe or tubing 5/8- inch and smaller with a chain. Each tag shall list the service. Place identification tags so that they are readily visible from adjoining walkways and operating positions.
END OF SECTION
EXHIBIT 2
APPENDIX A
EXHIBIT 2
SCALE: N.T.S.
DESIGNED BY: AFG
DRAWN BY: AFG
CHECKED BY: KS
DATE: OCTOBER 2022
ING 40-ft x 15-f
CRETE PAD TO B
OVERLAYE
PHOTO 1 - EXISTING P600 BIOFIL TER
PROJECT SITE PHOTOS
CITY OF STOCKTON
MUNICIPAL UTILITIES DEPARTMENT
SMITH CANAL SANITARY PUMP STATION ODOR CONTROL UNIT REPLACEMENT SHEET NO.
2 OF 8 SHEETS
PROJECT NO.
UW23021
APPENDIX A
EXHIBIT 2
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