S02_RFP Attachment_SPEC VA 331000 Water Utilities 673_23_102 Repair Fire Suppression System Bldg 38.docx

Repair Fire Suppression System Bldg 38 673-23-102

SECTION 33 10 00

WATER UTILITIES

General Description This section specifies materials and procedures for construction of underground water distribution for domestic and/or fire supply systems outside the building that are complete and ready for operation. This includes piping, structures, appurtenances and all other incidentals.

Related WORK Excavation, Trench Widths, Pipe Bedding, Backfill, Shoring, Sheeting, Bracing: Section 31 20 00, EARTH MOVING.

Concrete: Section 03 30 00, CAST IN-PLACE CONCRETE.

Fire Protection System connection: Section 21 12 00, FIRE-SUPPRESSION STANDPIPES.

General plumbing: Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

Submittals: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES.

Metering: Section 25 10 10, ADVANCED UTILITY METERING SYSTEM.

Erosion and Sediment Control: Section 01 57 19, TEMPORARY ENVIRONMENTAL CONTROLS.

Definitions Water distribution system: Pipelines and appurtenances which are part of the distribution system outside the building for potable water and fire supply.

Water service line: Pipeline from main line to 5 feet outside of building.

Abbreviations PVC: Polyvinyl chloride plastic.

DI: Ductile iron pipe.

WOG: Water, Oil and Gas.

Delivery, Storage and Handling Ensure that valves are dry and internally protected against rust and corrosion. Protect valves against damage to threaded ends and flange faces.

Use a sling to handle valves and fire hydrants if size requires handling by crane or lift. Rig valves to avoid damage to exposed parts. Do not use handwheels or stems as lifting or rigging points.

Deliver piping with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe-end damage and to prevent entrance of dirt, debris, and moisture.

Protect stored piping from moisture and dirt by elevating above grade. Protect flanges, fittings, and specialties from moisture and dirt.

Store plastic piping protected from direct sunlight and support to prevent sagging and bending.

Cleanliness of Piping and Equipment Systems:

Care shall be exercised in the storage and handling of equipment and piping material to be incorporated in the work. Debris arising from cutting, threading and welding of piping shall be removed.

Piping systems shall be flushed, blown or pigged as necessary to deliver clean systems.

Coordination Coordinate connection to water main with Public Utility company.

Coordinate water service lines with building contractor.

Quality Assurance:

Products Criteria:

When two or more units of the same type or class of materials or equipment are required, these units shall be products of one manufacturer.

A nameplate bearing manufacturer's name or trademark, including model number, shall be securely affixed in a conspicuous place on equipment. In addition, the model number shall be either cast integrally with equipment, stamped, or otherwise permanently marked on each item of equipment.

Materials and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products for at least three years. Digital electronic devices, software and systems such as controls, instruments or computer work stations shall be the current generation of technology and basic design that has a proven satisfactory service record of at least three years.

Regulatory requirements:

Comply with the rules and regulations of the public utility company having jurisdiction over the connection to public water lines and the extension and/or modifications to public utility systems.

Comply with the rules and regulations of the Federal, State and/or Local Department having jurisdiction for potable water-service.

Comply with rules and regulations of Federal, State and/or Local authorities having jurisdiction for fire-suppression water-service piping including materials, hose threads, installation and testing.

Provide certification of factory hydrostatic testing of not less than 500 psi (3.5 MPa) in accordance with AWWA C151. Piping materials shall bear the label, stamp or other markings of the specified testing agency.

Before any welding is performed, contractor shall submit a certificate certifying that welders comply with the following requirements:

Qualify welding processes and operators for piping according to ASME "Boiler and Pressure Vessel Code", Section IX, "Welding and Brazing Qualifications".

Comply with provisions of ASME B31 series "Code for Pressure Piping".

Certify that each welder has passed American Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current.

All welds shall be stamped according to the provisions of the American Welding Society.

Where installation procedures or any part thereof are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished to the Resident Engineer prior to installation.

Applicable codes:

Plumbing Systems: IPC, International Plumbing Code.

Electrical components, devices and accessories shall be listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction and marked for intended use.

Fire-service main products shall be listed in the FM Global “Approval Guide” or Underwriters Laboratories (UL) “Fire Protection Equipment Directory”.

Applicable Publications The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

American National Standards Institute (ANSI):

American Society of Mechanical Engineers (ASME):

American Society for Testing and Materials (ASTM):

American Water Works Association (AWWA):

National Fire Protection Association (NFPA):

NSF International (NSF):

American Welding Society (AWS):

A5.8/A5.8M-2004 Filler Metals for Brazing and Braze Welding American Society of Safety Engineers (ASSE):

Underwriters' Laboratories (UL):

Warranty The Contractor shall remedy any defect due to faulty material or workmanship and pay for any damage to other work resulting therefrom within a period of // one year // two years // from final acceptance. Further, the Contractor will furnish all manufacturers’ and supplier's written guarantees and warranties covering materials and equipment furnished under this Contract.

Products SPEC WRITER NOTE: Delete sections not applicable to project.

2.1 MATERIALS

Factory-Assembled Products Standardization of components shall be maximized to reduce spare part requirements. The contractor shall guarantee performance of assemblies of components, and shall repair or replace elements of the assemblies as required to deliver specified performance of the complete assembly.

Safety Guards All equipment shall have moving parts protected to prevent personal injury. Pump shafts and couplings shall be fully guarded by a sheet steel guard, covering coupling and shaft but not bearings. Material shall be minimum 16-gauge sheet steel; ends shall be braked and drilled and attached to pump base with minimum of four 1/4 inch (6 mm) bolts. Reinforce guard as necessary to prevent side play forcing guard onto couplings.

Lifting Attachments Equipment shall be provided with suitable lifting attachments to enable equipment to be lifted in its normal position. Lifting attachments shall withstand any handling conditions that might be encountered, without bending or distortion of shape, such as rapid lowering and braking of load.

Ductile Iron pipe and fittings Mechanical-Joint, Ductile-Iron Pipe: AWWA C151, with mechanical-joint bell and plain spigot end unless grooved or flanged ends are indicated, 350 psi (2400 kPa).

Mechanical-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

Glands, Gaskets, and Bolts: AWWA C111, ductile- or gray-iron glands, rubber gaskets, and steel bolts.

Push-on-Joint, Ductile-Iron Pipe: AWWA C151, with push-on-joint bell and plain spigot end unless grooved or flanged ends are indicated, 350 psi (2400 kPa).

Push-on-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

Gaskets: AWWA C111, rubber.

Grooved-Joint, Ductile-Iron Pipe: AWWA C151, with cut, round-grooved ends.

Grooved-End, Ductile-Iron Pipe Appurtenances: ASTM A47, malleable-iron castings or ASTM A536, ductile-iron castings with dimensions matching pipe, 350 psi (3400 kPa).

Grooved-End, Ductile-Iron-Piping Couplings: AWWA C606, for ductile-iron-pipe dimensions, Include ferrous housing sections, gasket suitable for water, and bolts and nuts.

Gaskets: AWWA C111.

Flanged Ductile Iron Pipe: AWWA C115/A21.11, with factory applied screwed long hub flanges.

Flanges: ASME B16.1 for 125 psi (850 kPa) or 250 psi (1725 kPa) pressure ratings, as necessary.

Wall Sleeve Castings, size and types shown on the drawings, shall be hot dipped galvanized per ASTM A123.

Pipe and fittings exposed to view in the finished work are to be painted in accordance with Section 09 91 00, PAINTING. Pipe shall be shop primed with one coat of rust inhibitive primer. Final paint color shall match the final wall color.

Cement Mortar Internal Lining: Cement mortar lining and bituminous seal coat as per AWWA C104.

Exterior Pipe Coating: The exterior of pipe shall have the standard asphaltic coating.

Polyvinyl Chloride pipe and fittings PVC, Schedule 40 Pipe: ASTM D1785.

PVC, Schedule 40 Socket Fittings: ASTM D2466.

PVC, Schedule 80 Pipe: ASTM D1785.

PVC, Schedule 80 Socket Fittings: ASTM D2467.

PVC, Schedule 80 Threaded Fittings: ASTM D2464.

PVC, AWWA Pipe: AWWA C900, Class 150 and Class 200 , with bell end with gasket, and with spigot end.

Comply with UL 1285 for fire-service mains if indicated.

PVC Fabricated Fittings: AWWA C900, Class 150 and Class 200 , with bell-and-spigot or double-bell ends. Include elastomeric gasket in each bell.

PVC Molded Fittings: AWWA C907, Class 150, with bell-and-spigot or double-bell ends. Include elastomeric gasket in each bell.

Push-on-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

Gaskets: AWWA C111, rubber.

Mechanical-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

Glands, Gaskets, and Bolts: AWWA C111, ductile- or gray-iron glands, rubber gaskets, and steel bolts.

PE pipe and fittings PE, ASTM Pipe: ASTM D2239, SIDR No. 5.3, 7, or 9; with PE compound number required to give pressure rating not less than 200 psi (1380 kPa).

Insert Fittings for PE Pipe: ASTM D2609, made of PA, PP, or PVC with serrated male insert ends matching inside of pipe. Include bands or crimp rings.

Molded PE Fittings: ASTM D3350, PE resin, socket- or butt-fusion type, made to match PE pipe dimensions and class.

PE, AWWA Pipe: AWWA C906, DR No. 7.3, 9, or 9.3; with PE compound number required to give pressure rating not less than 200 psi (1380 kPa).

PE, AWWA Fittings: AWWA C906, socket- or butt-fusion type, with DR number matching pipe and PE compound number required to give pressure rating not less than 200 psi (1380 kPa).

PE, Fire-Service Pipe: ASTM F714, AWWA C906, or equivalent for PE water pipe; FMG approved, with minimum thickness equivalent to FMG Class 200 .

Molded PE Fittings: ASTM D3350, PE resin, socket-or butt-fusion type, made to match PE pipe dimensions and class.

Copper tube and fittings Soft Copper Tubing: ASTM B88, Type K. ASTM B88, Type A and ASTM B88, Type L, ASTM B88, Type B water tube, annealed temper.

Hard Copper Tubing: ASTM B88, Type K , ASTM B88, Type A, and /ASTM B88, Type L, ASTM B88, Type B, water tube, drawn temper.

Fittings: ASME B16.18, cast copper alloy or ASME B16.22, wrought copper alloy , solder joint pressure fittings.

Brazing Alloy: AWS A5.8/A5.8M, Classification BCuP.

Bronze Flanges: ASME B16.24, Class 150, with solder joint ends. ASME B16.24, Class 300 flanges if required to match piping.

Copper Unions: ANSI MSS SP-123, cast copper alloy, hexagonal-stock body with ball-and-socket, metal-to-metal seating surfaces and solder-joint or threaded ends.

Valves Gate Valves: AWWA C509, Non-rising Stem, Resilient Seat, 200 psi (1380 kPa).

Valves 3 inches (75 mm) and larger: Resilient seat valve with gray- or ductile iron body and bonnet; cast iron or bronze double-disc gate; bronze gate rings; non-rising bronze stem and stem nut.

Interior and exterior coating: AWWA C550, thermo-setting or fusion epoxy.

Underground valve nut: Furnish valves with 2 inch (50 mm) nut for socket wrench operation.

Aboveground and pit operation: Furnish valves with hand wheels.

End connections shall match main line pipe.

Gate Valve Accessories and Specialties Tapping-Sleeve Assembly: ANSI MSS SP-60; sleeve and valve to be compatible with the drilling matching.

Tapping Sleeve: Cast or Ductile Iron or Stainless-Steel , two-piece bolted sleeve. Sleeve to match the size and type of pipe material being tapped.

Valve shall include one raised face flange mating tapping-sleeve flange.

Valve Boxes: AWWA M44 with top section, adjustable extension of length required for depth of burial of valve, plug with lettering "WATER," and bottom section with base that fits over valve and with a barrel.

Operating Wrenches: Steel, tee-handle with one pointed end, stem of length to operate deepest buried valve, and socket matching valve operating nut. (Provide two wrenches for Project.)

Indicator Posts: UL 789, FMG approved, vertical-type, cast iron body with operating wrench, extension rod, and adjustable cast iron barrel of length required for depth of burial of valve.

Swing Check Valves:

Valves smaller than 2 inches (25 mm): ASTM B61, resilient seat, bronze body and bonnet, pressure rating of 200 psi (1380 kPa). Ends to match main line piping.

Valves 2 inches (25 mm) or larger: AWWA 508, resilient seat valve with iron body and bonnet, pressure rating of 200 psi (1380 kPa).

Coating: AWWA C550, fusion epoxy coated.

Detector Check Valves Galvanized cast iron body, bolted cover with air-bleed device for access to internal parts, and flanged ends. Include one-piece bronze disc with bronze bushings, pivot, and replaceable seat. Include threaded bypass taps in inlet and outlet for bypass meter connection. Set valve to allow minimal water flow through bypass meter when major water flow is required.

Standards: UL 312 and FMG approved, 175 psi (1207 kPa).

Water Meter: AWWA C700, disc type, at least one-fourth size of detector check valve. Include meter, bypass piping, gate valves, check valve, and connections to detector check valve.

Butterfly Valves Rubber-Seated Butterfly Valve: AWWA C504.

Provide rubber seated butterfly valve cast or ductile iron body, flanged, minimum pressure of 150 psi (1035 kPa).

UL Butterfly Valve: UL 1091 and FMG approved.

Provide metal on resilient material seating butterfly valves that are UL 1091 and FMG approved, cast or ductile iron body flanged minimum pressure of 175 psi (1207 kPa).

Plug Valves: ANSI MSS SP-108, resilient-seated eccentric plug valve, minimum pressure of 175 psi (1207 kPa).

Pressure Reducing Valves.

Pressure reducing valve: ASSE 1003 with pressure of 150 psi (1035 kPa).

Backflow Preventer Backflow Preventer shall not be located in any area containing fumes that are toxic, poisonous or corrosive.

Direct connections between potable water piping and sewer connected wastes shall not exist under any condition with or without backflow protection.

Backflow Preventer shall be accessed and have clearances for the required testing, maintenance and repair. Access and clearances shall maintain a minimum of 1 foot (305 mm) between the lowest portion of the assembly and grace, floor or platform. Installations elevated more than 5 feet (1524 mm) above the floor or grade shall be provided with a permanent platform capable of supporting a tester or maintenance person.

Configuration: Designed for horizontal, straight through flow Accessories Valves: UL 262, FMG approved, OS&Y gate type with flanged ends on inlet and outlet.

Bypass with displacement-type water meter, shutoff valves and reduced-pressure Backflow Preventer.

Backflow Preventer Test Kits Provide factory calibrated test kit with gauges, fittings, hoses and carrying case with test-procedure instructions.

Execution Piping Applications Use pipe, fittings, and joining methods for piping systems according to the following applications.

Transition couplings and special fittings with pressure ratings at least equal to piping pressure rating may be used, unless otherwise indicated.

Do not use flanges or unions for underground piping.

Flanges, unions, grooved-end-pipe couplings, and special fittings may be used, instead of joints indicated, on aboveground piping and piping in vaults.

Aboveground and Vault Fire-Service-Main Piping NPS 4 to NPS 12 (DN 100 to DN 300) shall be ductile iron, grooved-end pipe; ductile iron-pipe appurtenances; and grooved joints.

Aboveground and Vault Combined Water Service and Fire-Service-Main Piping NPS 6 to NPS 12 (DN 150 to DN 300) shall be ductile iron, grooved-end pipe; ductile iron-pipe appurtenances; and grooved joints.

Valve Applications Use mechanical-joint-end valves for NPS 3 (DN 80) and larger underground installation. Use threaded- or flanged-end valves for installation in vaults. Use UL/FMG, non-rising-stem gate valves for installation with indicator posts. Use corporation valves and curb valves with ends compatible with piping, for NPS 2 (DN 50) and smaller installation.

Drawings indicate valve types to be used. Where specific valve types are not indicated, the following requirements apply:

Use the following for valves in vaults and aboveground:

Gate Valves, NPS 2 (DN 50) and Smaller: Bronze, rising stem.

Gate Valves, NPS 3 (DN 80) and Larger: UL/FMG, cast iron, OS&Y rising stem .

Check Valves: UL/FMG , swing type.

Ductile Iron Pipe Install Ductile Iron, water-service piping according to AWWA C600 and AWWA M41-3rd Edition.

Install PE corrosion-protection encasement according to ASTM A674 or AWWA C105/A21.5.

Pipe shall be sound and clean before laying. When laying is not in progress, the open ends of the pipe shall be closed by watertight plug or other approved means.

When cutting pipe is required, the cutting shall be done by machine, leaving a smooth cut at right angles to the axis of the pipe. Bevel cut ends of pipe to be used with push-on bell to conform to the manufactured spigot end. Cement lining shall be undamaged.

Push on joints shall be made in strict accordance with the manufacturer’s instruction. Pipe shall be laid with bell ends looking ahead.

PVC Pipe PVC piping shall be installed in strict accordance with the manufacturer’s instructions and AWWA C605. Place selected material and thoroughly compacted to one foot above the top of the pipe.

Install Copper Tracer Wire, No. 14 AWG solid, single conductor, insulated. Install in the trench with piping to allow location of the pipe with electronic detectors. The wire shall not be spiraled around the pipe nor taped to the pipe. Wire connections are to be made by stripping the insulation from the wire and soldering with rosin core solder per ASTM 828. Solder joints shall be wrapped with rubber tape and electrical tape. At least every 1000 feet (300 m) provide a 5 pound (2.3 kg) magnesium anode attached to the main tracer wire by solder. The solder joint shall be wrapped with rubber tape and with electrical tape. An anode shall also be attached at the end of each line.

Copper Pipe Copper piping shall be installed in accordance with the Copper Development Association’s Copper Tube Handbook and manufacturer’s recommendations.

Copper piping shall be bedded in 6 inches (150 mm) of sand.

Anchorage Installation Install water-distribution piping with restrained joints. Anchorages and restrained-joint types that may be used include: set-screw mechanical retainer glands, bolted flanged joints, pipe clamps and tie rods.

Install anchorages for tees, plugs and caps, bends, crosses, valves, and hydrant branches. Include anchorages for the following piping systems:

Gasketed-Joint, Ductile Iron, Water-Service Piping: According to AWWA C600.

Gasketed-Joint, PVC Water-Service Piping: According to AWWA M23.

Fire-Service-Main Piping: According to NFPA 24.

Apply full coat of asphalt or other acceptable corrosion-resistant material to surfaces of installed ferrous anchorage devices.

Valve Installation AWWA Valves: Install each underground valve with stem pointing up and with valve box.

UL/FMG, Valves: Install each underground valve and valves in vaults with stem pointing up and with vertical cast iron indicator post.

MSS Valves: Install as component of connected piping system.

Corporation Valves and Curb Valves: Install each underground curb valve with head pointed up and with service box.

Pressure-Reducing Valves: Install in vault or aboveground between shutoff valves.

Relief Valves: Install aboveground with shutoff valve on inlet.

Raise or lower existing valve and curb stop boxes and fire hydrants to finish grade in areas being graded.

Detector-Check Valve Installation Install in vault or aboveground and for proper direction of flow. Install bypass with water meter, gate valves on each side of meter, and check valve downstream from meter.

Support detector check valves, meters, shutoff valves, and piping on brick or concrete piers.

Backflow Preventer Installation Install backflow Preventers of type, size, and capacity indicated. Include valves and test cocks. Install according to requirements of plumbing and health department and authorities having jurisdiction.

Do not install backflow Preventers that have relief drain in vault or in other spaces subject to flooding.

Do not install bypass piping around backflow Preventers.

Support NPS 2-1/2 (DN 65) and larger backflow Preventers, valves, and piping near floor and on brick or concrete piers.

Concrete Vault Installation Install precast concrete vaults according to ASTM C891.

Protective Enclosure Installation Install concrete base level and with top.

Install protective enclosure over valves and equipment and anchor protective enclosure to concrete base.

Flushing Hydrant Installation Install post-type flushing hydrants with valve below frost line and provide for drainage. Support in upright position. Include separate gate valve or curb valve and restrained joints in supply piping.

Install ground-type flushing hydrants with valve below frost line and provide for drainage. Install hydrant box flush with grade. Include separate gate valve or curb valve and restrained joints in supply piping.

Install sampling stations with valve below frost line and provide for drainage. Attach weather-resistant housing and support in upright position. Include separate curb valve in supply piping.

Fire Department Connection Installation Install ball drip valves at each check valve for fire department connection to mains.

Install protective pipe bollards on three sides of arrangement Fire Hydrant Installation Install each fire hydrant with separate gate valve in supply pipe, anchor with restrained joints or thrust blocks, and support in upright position.

Install Wet-Barrel Fire Hydrants with valve below frost line. Provide for drainage.

Connections Drawings indicate general arrangement of piping, fittings, and specialties. Install water service lines to a point of connection within approximately 5 feet (1500 mm) outside of building(s) to which service is to be connected and make connections thereto. If building services have not been installed provide temporary caps and mark for future connection.

Field Quality Control Conduct piping tests before joints are covered and after concrete thrust blocks have hardened sufficiently. Fill pipeline 24 hours before testing and apply test pressure to stabilize system. Use only potable water.

Prior to final acceptance, provide a video record of all piping from the building to the municipal connection to show the lines are free from obstructions, properly sloped and joined.

Perform hydrostatic tests at not less than one-and-one-half times working pressure for two hours.

Increase pressure in 50-psi (350-kPa) increments and inspect each joint between increments. Hold at test pressure for 1 hour; decrease to 0 psi (0 kPa). Slowly increase again to test pressure and hold for 1 more hour. Maximum allowable leakage is 2 quarts (1.89 L) per hour per 100 joints. Remake leaking joints with new materials and repeat test until leakage is within allowed limits.

Prepare reports of testing activities.

Identification Install continuous underground warning tape 12 inches (300 mm) directly over piping.

Cleaning Purge new water-distribution piping systems and parts of existing systems that have been altered, extended, or repaired before use.

Use purging and disinfecting procedure prescribed by local utility provider or other authorities having jurisdiction or, if method is not prescribed by authorities having jurisdiction, use procedure described in AWWA C651 or do as follows:

Fill the water system with a water/chlorine solution containing at least 50 ppm of chlorine; isolate and allow to stand for 24 hours.

Drain the system of the previous solution and refill with water/chlorine solution containing at least 200 ppm of chlorine; isolate and allow system to stand for 3 hours.

After standing time, flush system with clean, potable water until no chlorine remains in water coming from system.

Submit water samples in sterile bottles to authorities having jurisdiction. Repeat procedure if biological examination shows evidence of contamination.

Prepare reports of purging and disinfecting activities.

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