MSP Master
SECTION 22 51 00
SWIMMING POOL PLUMBING SYSTEMS
PART 1 - GENERAL
1.01 SUMMARY
A.Section Includes: Include labor, materials, equipment, and accessories required to furnish and install a high rate pressure sand filter swimming pool system.
1.02 SUBMITTALS
A.Pool Equipment Shop Drawings: Contractor shall submit, to Architect/Engineer, a portfolio, including high rate pressure sand filter, stainless steel gutter system, surge tank apparatus, circulation pumps, chemical feeders, flow indicators, chemical controller, electrochemical ionizer, test kit, controls, valves, fittings, and piping systems for approval by Engineer.
1.03 QUALITY ASSURANCE
A.Regulatory Requirements:
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
1.American Public Health Association
2.StateBuilding Code
3.State Swimming Pool Code
4.U. S. Public Health Service Regulations
5.Local Codes and Ordinances
6.Local Authority having jurisdiction
1.04 WARRANTY
A.Filter Tank: Filter tank and liner shall be guaranteed for 15 years.
B.Labor/Workmanship: Labor and workmanship shall be guaranteed first class and carry a 1year unconditional warranty, starting with the date of final acceptance.
PART 2 - PRODUCTS
2.01 MANUFACTURERS
A.Acceptable Manufacturers For Pool Filter: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Neptune-Benson, Inc.
2.Paddock
3.Natare
4.Miami Tank
B.Acceptable Manufacturers For Filter Liner: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Neptune-Benson, "Flexsol 2000", applied in 2coat spray operation and heat set, to a total coat thickness of 0.060inch.
2.Pre-Krete, coated to a thickness of 1/2inch to 5/8inches. Pre-Krete coating shall be G-8, formulated for swimming pool applications.
C.Acceptable Manufacturers For Prefabricated Pool Gutter System: A continuous stainless steel overflow type gutter system, NSF approved, with integral supply system using multiple supply jets, subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Neptune-Benson,Inc.
2.Kiefer
3.Natare
4.Paddock
D.Acceptable Manufacturers For Pumps: Pumps shall comply with Standard 50 of NSF International. Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
1.Aurora
2.Bell & Gossett
3.Fairbanks & Morris
4.Marlow
E.Acceptable Manufacturers For Chemical Controller: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Strantrol
2.Morr
F.Acceptable Manufacturers For Liquid Chlorine Feeder: Feeder shall be NSF approved. Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Stenner
2.LMI
G.Acceptable Manufacturers For Acid Feed Pump: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Stenner
2.LMI
H.Acceptable Manufacturers For Swimming Pool Fittings: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Neptune-Benson
I.Acceptable Manufacturers For Orifice Flange: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Aquamatic
2.Fisher-Porter
3.Taco
J.Acceptable Manufacturers For Flow Controller: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Griswold
K.Acceptable Manufacturers For Butterfly Valves: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Demco
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
L.Acceptable Manufacturers For Water Level Control: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Neptune Benson, Inc, Catalogue No. WLC-100B-R1
M.Acceptable Manufacturers For Electro-Chemical Ionizer Units: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.GPI, Inc.
N.Acceptable Manufacturers For NonMetalic, NonShrink Grout: Premixed, nonshrink, nonstaining, nonmetallic, noncorrosive, nongaseous grout. Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.SonnebornContech, "Sonogrout"
2.Euclid Chemical Company, "EUCO NS Grout"
3.L & M Construction Chemicals, Inc., "Crystex"
4.Master Builders, "Masterflow 713"
5.U. S. Grout Corporation, "Five Star Grout"
O.Acceptable Manufacturers For Channel Deck Drain: Deck drain shall be a SpeeD channel drain (43/4inch width) and reinforced PVC with a channel grate of reinforced PVC with accessories. Subject to compliance with requirements of the Contract Documents, acceptable manufacturers shall be as follows or Owner approved equal:
1.Indelco Plastics Corporation
2.02 PIPING
A.Materials: Where PVC piping is used, it shall be Schedule 80, and shall meet the requirements of ASTM D2241 and D1785 and NSF 14.
B.Main Drain: Piping from main drains to surge tank inlet shall be ASTM and NSF approved, Schedule 80, PVC pipe with socket-type fittings and flanges.
1.Pool circulating water piping from surge tank to filters, 5inch pipe size and larger shall be ASTM and NSF, Schedule 80, PVC pipe with flanges and socket type fittings.
C.Supply and Return Lines: Supply and return lines shall be ASTM and NSF approved, Schedule 80, PVC pipe with socket type PVC fittings and flanges.
1.Return from gutter shall flow by gravity to surge tank and shall be sized to carry 100percent of the total gpm supplied.
2.Size return piping from surge tank to filters at 100 percent of recirculating rate.
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
D.Filter Room Piping: Where filter room piping is exposed, ASTM and NSF approved, Schedule 80 PVC pipe with socket type fittings and flanges shall be used.
1.Final connection to both pool convertor boxes supply fitting shall be a [6] [ ]inch connection.
2.Final connection to both pool convertor boxes return fitting shall be an [8] [ ]inch connection.
3.Filter piping shall provide pipe connections to each pool heater installed.
4.Provide taps for alternate locations for chemical controller and injection system.
E.Pool Heater Pipe: Supply and return piping between pool supply main, pool convertor, and recovery unit shall be NSF approved, Schedule 80 CPVC pipe.
1.First 10feet on either side of water heater, and recovery unit supply and return shall be TypeL copper. Remaining supply and return lines shall be Schedule 80 CPVC, with solvent compatible with higher temperatures.
F.Make-Up and Fill Pipe: Makeup and fill water lines shall be TypeL copper pipe and wrought copper fittings.
G.Tests: Piping shall be tested at 60psi hydraulic pressure for 6hours and proved drop tight.
2.03 PIPE PENETRATIONS
A.Penetrations: Furnish and install seal and sleeve, as manufactured by Thunderline Corporation, on all piping penetrating concrete walls and floors.
1.Seal shall be Link Seal Model LS-S, designed for corrosive service with glass reinforced nylon plastic pressure plate, 304 stainless steel bolts and nuts, and EPDM rubber sealing element.
2.Sleeve shall be Century-Line Model CS with waterstop and anchor plate.
2.04 SWIMMING POOL FILTER SYSTEM
A.General Requirements: Pool filter shall be (2)high rate pressure sand type filters sized for a filtration capacity of not more than 15 gpm per square foot of effective filter area. Filter system shall be complete with valve control assembly, strainer, pool pump, rate of flow indicator, control instruments, filters, and valves. System shall be Neptune-Benson.
1.(2) [90 SRF-6] [ SRF- ] high rate pressure sand filters for pool.
a.5/16inch steel heads and 1/4Inch shall [______]. (Spec Writer Verify)
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
B.Operation: Filtration shall be accomplished by pumping water from the surge tank through the (2)filters connected to the pressure side of pool pump after which filtered water is discharged to both pools (575gpm to diving pool and 615gpm to swimming pool). Return from main drain shall flow by gravity to surge tank. Return from gutter shall flow by gravity to the surge tank.
1.Pool Return Piping to Surge Tank and Filters:
a.Size return piping from gutter to surge tank to carry 100 percent of the total gpm supplied.
b.Size return piping from main drain to surge tank to carry 100 percent of total gpm supplied.
c.Size piping from surge tank to filter to carry 100 percent of total gpm supplied.
2.Provide a valved drain valve and/or valved discharge pipe from each filter, pool pump from surge tank, strainer, and piping to sump.
C.Contents: Each filter unit shall consist of a freestanding tank provided with influent and effluent pressure gauges, backwash sight glass on the waste discharge line of each filter, airrelief valves at or near the high point of each filter tank, and a tank drain at bottom with internal strainer and with shutoff which can be operated from the side of the filter.
1.The filter system shall be constructed with necessary valves and piping to permit:
a.Individual backwashing of filters to waste at a rate of not less than 15gallons per minute per square foot of filter area.
b.Isolation of individual filter for repair while other unit is in operation.
c.Complete drainage of the system.
D.Filter Tanks: Filter tanks shall be constructed in accordance with SectionVIII, Division1 of the ASME Code for Unfired Pressure Vessels, Latest Edition, and so stamped and certified. Material selection and thicknesses shall be based on 50psi operating pressure and 75psi design pressure and a pressure safety factor of 4, based on the maximum shutoff head or the pump. Material shall be high quality ASTM Type A36 carbon steel or better.
1.Welding shall be performed by qualified operators. Joints shall be butt or fillet welded by manual or automatic process. Welded joints shall have complete penetration and fusion with little or no reduction of the thickness of the base metal. Welds shall be free of coarse ripples, grooves, overlaps, abrupt ridges, or valleys. All welded surfaces shall be chipped and brushed clean, when necessary, leaving no slag or splatter.
2.Drain out system shall consist of 3/4inch steel couplings mounted to each partition and in the bottom head. A 3/4inch steel coupling shall be provided for air relief connection.
3.Adjustable jack legs shall be used to support the filter tanks. Install anchor bolts to slab to prevent movement of tanks.
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
4.Access to each cell shall be provided by a 14inch by 18inch manhole with (2)cast or forged curved yokes. Manhole seal shall be complete with 1piece, 1/4inch neoprene gasket, positioned so that internal pressure from the filter shall augment the seal.
5.Each filter tank shall be equipped with the necessary flanges and connections for the internal and external piping. Tank connections 2inches and under shall be 150pound, Type 316 stainless steel threaded full coupling. Tank connections 3inches and over, shall be heavy steel bosses drilled and tapped both sides to receive standard flanged fittings.
E.Interior Lining: Internal liner filter shall be "Flexol 2000", applied by NeptuneBenson. Application of Flexol 2000 lining shall be in a 2coat spray operation, 1/8inch thick total, shall be done by experienced applicators in accordance with accepted industry practice in order to provide a continuous nonporous protective membrane over all steel surfaces. Joints should be made using a 2inch overlap or 4inch wide cap strip.
1.Lining shall be applied on all surfaces exposed to water, including manhole plate and entire manhole ring such that a visual inspection can verify lining adhesion integrity.
2.Filter lining shall carry a 15year limited nonprorated warranty.
3.Internal surfaces for Owner approved equal tanks shall be an approved lining or PreKrete coated to a thickness of 1/2to 5/8inches. Pre-Krete coating shall be G8, formulated for swimming pool applications.
F.Exterior Coatings: Prepared steel surfaces shall be free of weld spatter and fabrication contaminants. A mechanically applied wash of 5percent phosphoric acid and multiple rinses shall be performed within 4hours of primer application to ensure complete grease/oil removal.
1.(1) coat of a high solids epoxy with cross link polymerization cure shall be applied for a total developed film thickness of 8mils.
2.Exterior finish coating shall be supplied and field applied after installation by Installing Contractor.
G.Internal Filter Piping:
1.Lower internal distribution system shall be a horizontal header/lateral arrangement. Header shall be Schedule 80 PVC construction, capped on (1)end and flanged on the other end. Lateral connections shall be spaced no more than 6inches on center and shall be 11/2 FPT connections.
2.Laterals shall consist of 11/2inch Schedule 80 PVC pipe with machined slotted openings on 1/4inch centers. Machined openings shall be designed to retain all media particles as small as .45mm particle size. Each lateral shall be fabricated complete with a socket cap on (1)end and a male adapter on the other. Both fittings shall be solvent welded to the slotted pipe.
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
a.Laterals shall be designed and sized at the factory so as to be installed in the field and cover the entire cross sectional area of the filter.
3.Upper distributor shall consist of a perforated hexagonal shaped deflector plate made from 3/8inch thick natural polypropylene.
a.Deflector plate shall be attached in (4) places.
4.Hardware in wetted areas shall be stainless steel or nonmetallic.
H.Filter Piping - External: External face piping shall be Schedule 80 PVC pipe and fittings. Flanges shall be located so as to allow for easy dismantling of face piping. Fitting shall be solvent cemented.
1.Piping shall be drilled and tapped where necessary to accommodate gauge tubing connectors.
2.Valves 3 inches and larger shall be cast iron body wafer valves. EPDM resilient lined with 416 stainless steel shaft and pin. Disc shall be ductile iron, Nylon 11 coated. Unless otherwise specified, valves shall have 10position latch lock handles.
a.Bolts and nuts shall be corrosion resistant, zinc plated steel with plated washers to be used when secured to PVC flanges.
3.Standard accessory items shall include sight glass rated for 50psi with polycarbonate glass, remote mounted gauge panel with (2) 41/2inch diameter pressure gauges, 1/2inch pet cocks, and 1/4inch poly vent tubing with PVC compression adapters.
I.Single Lever Linkage: A clevis and rod linkage shall connect the (4)butterfly valves provided with the face piping for each tank (2 of). Assembly shall be designed so that filter and backwash cycles can be accomplished by simply raising or lowering the operating handle. Filters shall be individually backwashed. Clevis sizes shall vary with size of face piping in order to operate with suitable mechanical advantage.
1.Clevis shall be supported through pins, which in turn connect to steel rods thereby linking all valves on a filter tank. An operating handle shall be secured to (1)clevis by stainless steel pins with the pins held in lateral position using stainless steel cotter pins.
2.Linkage shall be fully adjustable. Hex shaped threaded connector couplings shall be located between each pair of valves for this purpose. Couplings shall be locked into position by the use of (2)jam nuts with each coupling.
3.Linkage shall be designed so that all valves operate simultaneously eliminating the possibility of water hammer action. Each valve shall be adjustable which shall provide for accurate positioning and tight shutoff.
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
J.Filter Media: Filter media shall be a carefully selected grade of hard, uniformly graded silica material. Media shall be naturally rounded particles of silica or milled, angularly shaped particles of silica quartz. Sand shall have a particle size between .45mm and .55mm (#20). Uniformity coefficient shall not exceed 1.4. Specific gravity to be not less than 2.5 with pH of 7.0.
1.Filter shall contain a minimum bed depth of 28inches. Support media of 1/8inch by 1/4inch particle size shall be used on the inside of the bottom head to the elevation where the filter media commences.
2.Bottom layer of support media shall be placed by hand to avoid damage to underdrain system and leveled before the addition of the upper layer of filter media. Concrete underfill is not recommended.
3.All media shall be delivered and stored in 100pound bags for ease of handling and for elimination of possible contamination.
4.Each grade of media shall be placed in the tank and leveled before placing of next appropriate grade of media. Each filter shall be provided with the following:
FILTER MEDIASIZE OF MEDIA / DIAMETER OF TANK
60" / 66" / 72" / 78" / 84" / 90" / 96" / 102"
1/8 by 1/4
Support Media / 21 Ft3 / 27 Ft3 / 37 Ft3 / 45 Ft3 / 54 Ft3 / 63 Ft3 / 73 Ft3 / 85 Ft3
.45 to .55 mm.
Filter Media / 46 Ft3 / 56 Ft3 / 66 Ft3 / 77 Ft3 / 90 FT3 / 103 Ft3 / 118 Ft3 / 132 Ft3
K.Pool Pump No. P- , Motor : Provide a base mounted, end suction centrifugal pump coupled to an electric motor.
1.Mount pump in accordance with manufacturer=s recommendation on a concrete pad in a pump pit. Bolt pump stand to the pad. Refer to Drawings for elevation of pit. Suction inlet of pool pump shall be 1foot below the noflow level of the surge tank.
L.Strainer: Furnish and install a single cell stainless steel hair and lint type strainer for suction side of pump where shown on Drawings. Hair and lint strainer shall have a yoke top readily removable to facilitate cleaning of the basket while operating with the spare strainer basket. Furnish one extra strainer basket.
M.Flow Indication: Provide an orifice plate rate of flow indicator, Aquamatic Flowcell, Model FLY, or Owner approved equal, with a 12inch integral mounted scale calibrated in gpm. Indicator shall be capable of flows measuring at least 11/2 times the design flow rate, shall be accurate to within 10percent of true flow, and shall be easy to read from the floor.
22 51 00 - 1
Swimming Pool Plumbing Systems
MSP Master
SECTION 22 51 00
N.Filter Sensors and Controls: Equip each filter with an influent and effluent pressure gauge reading 0 to 60 psig, mounted in a common gauge holder. Each gauge shall be minimum 41/2inch diameter, be equipped with drain cock, be connected with poly vent tubing, and designated influent or effluent.