VA 32 84 00-2011 PLANTING IRRIGATION.pdf

1、10-11 32 84 00-1 SECTION 32 84 00 PLANTING IRRIGATION SPEC WRITER NOTE: Delete between /_/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies materials and procedu

2、res for furnishing and installing a complete automatically-controlled / lawn / trees / shrub / irrigation system, controllers and all other appurtenances necessary to serve specified landscape and plant bed areas. 1.2 RELATED WORK A. Excavation, Trench Widths, Pipe Bedding, Backfill, Shoring, Sheeti

3、ng, Bracing: Section 31 20 00, EARTH MOVING. B. Concrete Work, Reinforcing, Placement and Finishing: Section 03 30 00, CAST-IN-PLACE CONCRETE. C. General plumbing, protection of Materials and Equipment, and quality assurance: Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. D. Submittals: Section

4、 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES. E. Plant materials: Section 32 90 00, PLANTING F. Metering: SECTION 25 10 10, ADVANCED UTILITY METERING SYSTEM. 1.3 DEFINITIONS A. Circuit Piping: Downstream from control valves to sprinklers, specialties, and drain valves. B. Drain Piping: Downstr

5、eam from circuit-piping drain valves. C. Main Piping: Downstream from point of connection to water distribution piping to, and including, control valves. D. Low Voltage: As defined in NFPA 70 for circuits and equipment operating at less than 50 volts or for remote-control, signaling power-limited ci

6、rcuits. 1.4 ABBREVIATIONS SPEC WRITER NOTE: Retain abbreviations that remain after this section has been edited. A. FPT: Female pipe thread B. HDPE: high-density polyethylene plastic Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-2 C.

7、 NPT: National pipe thread D. PTFE: Polytetrafluoroethylene E. PVC: Polyvinyl chloride plastic F. WOG: Water, oil and gas 1.5 PERFORMANCE REQUIREMENTS A. Irrigation zone control shall be automatic operation with controller and automatic control valves. B. Location of sprinklers and specialties on Dr

8、awings is approximate. Contractor to make minor adjustments necessary to avoid plantings and obstructions such as signs, utilities and light standards. Provide 100 percent irrigation coverage of areas indicated. C. Delegated Design: Provide a 100 percent coverage irrigation system, including compreh

9、ensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated. D. Minimum Working Pressures: The following are maximum pressure requirements for piping, valves and specialties unless otherwise indicated. 1. Irrigation Main Piping: / 10

10、0 psi (640 kPa) / Insert Value / 2. Circuit Piping: / 80 psi (520 kPa) / Insert Value / 1.6 DELIVERY, STORAGE, AND HANDLING A. 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, a

11、nd moisture. B. Store plastic piping protected from direct sunlight. Support pipe to prevent sagging and bending. 1.7 QUALITY ASSURANCE: A. Products Criteria: 1. 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

12、. 2. A nameplate bearing manufacturers 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. B. Instal

13、ler Certification: 1. Installer should be an employer of workers that include a / certified irrigation designer qualified by The Irrigation Association Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-3 / Professional Class member of th

14、e American Society of Irrigation Consultants / Professional Technical Class member of the American Society of Irrigation Consultants / Insert qualifications / to perform specified work., and have provided irrigation installations for / 5 / 10 / Insert value / years. 2. Service provider qualification

15、s shall be maintained and/or trained by the manufacturer to render satisfactory service within 8 hours of service request notification. C. System Requirements: 1. 100 percent irrigation coverage of specified areas is required. The Contractor shall, at no additional cost to the Government, make minor

16、 adjustments necessary to avoid plantings and obstructions such as signs, utilities and light standards and achieve full and complete coverage of irrigated areas without overspray on roadways, sidewalks, window wells, or buildings and to protect trees from close high spray velocity. 1.8 SUBMITTALS A

17、. Submit product data as one package for each type of product indicated. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories. B. Submit the proposed irrigation system design signed and sealed by the qualified professional enginee

18、r licensed in the State where the project is located and responsible for document preparation. C. Submit complete detailed irrigation layout covering design of system showing pipe sizes and lengths; fittings; locations; types and sizes of sprinklers; controls; backflow preventers; valves; / drainage

19、 pits; / location and mounting details of electrical control equipment / complete wiring diagram showing routes and wire sizes for; power, signal and control wiring details / and connections to water supply main. Do not start work before final shop drawing approval. D. Provide qualification data for

20、: 1. A qualified irrigation Installer. 2. A qualified service provider, maintained and/or trained by the manufacturer to render satisfactory service within 8 hours of service request notification. E. Include a zone chart and controller timing schedule showing each irrigation zone and its control val

21、ve; and show the time settings for each automatic controller zone. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-4 F. Provide operation and maintenance data for / sprinklers / controllers / and / automatic control valves / other / to

22、 include in operation and maintenance manuals. 1.9 EXTRA MATERIALS A. Furnish extra materials, as called out below, that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. 1. / Rotary and Spray Head Sprinklers / Bubbler

23、s / Emitters /: / 5 / Insert number / percent of amount installed for each type and size indicated, but no fewer than 2 units. 2. / Drip-tube system tubing / Soaker Tubes /: / Insert percent / of total length installed for each type and size indicated, but not less than / 50 feet (15 m) / 100 feet (

24、30 m) / Insert value /. 1.10 APPLICABLE PUBLICATIONS SPEC WRITER NOTE: Based on project design for local conditions, delete references not applicable for project. A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text

25、by the basic designation only. B. American Society Of Mechanical Engineers (ASME): B16.18-2001 Cast Copper Alloy Solder Joint Pressure Fittings B16.22-2001 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings B16.24-2006 Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300

26、, 600, 900, 1500 and 2500 B18.2.1-2010 . Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series) B40.100-2005 . Pressure Gauges and Gauge Attachments C. American Society Of Sanitary Engineering (ASSE): 1013-2009 Reduced Pressure Principle

27、 Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-5 D. American Society For Testing And Materials (ASTM): B32-08 . Solder Metal B61-08 . Steam or Val

28、ve Bronze Castings B62-09 . Composition Bronze or Ounce Metal Castings B88/B88M-09 Seamless Copper Water Tube B813-10 Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube D1785-06 . Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedule 40, 80, and 120 D2241-09 . Poly(Vinyl Chloride) (PV

29、C) Pressure Rated Pipe (SDR Series) D2464-06 . Threaded Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 D2466-06 . Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40 D2467-06 . Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 D2564-04(2009)e1 . Solvent Cements

30、for Poly (Vinyl Chloride) (PVC) Plastic Piping Systems D2609-02(2008) . Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe D2683-10 . Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing D2855-96(2010) . Making Solvent Cemented Joints with Poly (Viny

31、l Chloride) (PVC) Pipe and Fittings D3261-10a Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing F477-10 Elastomeric Seals (Gaskets) for Joining Plastic Pipe Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,

32、-,-10-11 32 84 00-6 F656-10 Primers for Use in Solvent Cement Joints of Poly(Vinyl Chloride) (PVC) Plastic Pipe and Fittings F771-99(2005) Polyethylene (PE) Thermoplastic High-Pressure Irrigation Pipeline Systems E. American Water Works Association (AWWA): C504-06 Rubber-Seated Butterfly Valves C906

33、-07 Polyethylene (PE) Pressure Pipe and Fittings, 4 in. (100 mm) Through 63 in. (1600 mm), for Water Distribution and Transmission F. American Welding Society (AWS): A5.8/A5.8M:2004 Filler Metals for Brazing and Braze Welding G. General Services Administration: A-A-60005 Frames, Covers, Gratings, St

34、eps, Sump and Catch Basin, Manhole H. Manufacturers Standardization Society (MSS): SP-70-2006 . Gray Iron Gate Valves, Flanged and Thread Ends I. National Fire Protection Association (NFPA): 70 2011 Edition National Electrical Code 1.11 WARRANTY A. The Contractor shall remedy any defect due to fault

35、y 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 provide all manufacturers and suppliers written guarantees and warranties covering materials and equipment furnished unde

36、r this Contract. PART 2 - PRODUCTS SPEC WRITER NOTE: Update and specify only that which applies to the project. Delete sections not applicable to project. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-7 2.1 PIPES, TUBES AND FITTINGS

37、A. Comply with requirements in the piping schedule for applications of pipe, tube, and fitting materials, and for joining methods for specific services, service locations, and pipe sizes. B. Soft copper tube shall be / ASTM B88, Type L / ASTM B88, Type B / water tube, annealed temper. 1. Copper Pres

38、sure Fittings shall be / ASME B16.18 cast-copper-alloy / or / ASME B16.22 wrought-copper solder-joint fittings / . Furnish wrought-copper fittings if indicated. 2. Bronze flanges shall be ASME B16.24, Class 150, with solder-joint end. 3. Copper unions shall be cast-copper-alloy, hexagonal-stock body

39、, with ball-and-socket, metal-to-metal seating surfaces and solder-joint or threaded ends. C. Hard Copper Tube: / ASTM B88, Type L (ASTM B88, Type B), / or / ASTM B88, Type M (ASTM B88, Type C), / water tube, drawn temper. 1. Copper pressure fittings: / ASME B16.22, wrought-copper solder-joint fitti

40、ngs / ASME B16.18, cast-copper-alloy / . 2. Bronze flanges: ASME B16.24, Class 150, with solder-joint end. 3. Copper unions: Cast-copper-alloy, hexagonal-stock body, with ball-and-socket, metal-to-metal seating surfaces and solder-joint or threaded ends. D. PE pipe with controlled ID shall be ASTM F

41、771, PE 3408 compound; / SIDR 11.5 / or / SIDR 15 /. 1. Insert fittings for PE pipe: ASTM D2609, nylon or propylene plastic with barbed ends. Include bands or other fasteners. E. PE pressure pipe: AWWA C906, with DR of 7.3, 9, or 9.3 and PE compound number required to give pressure rating not less t

42、han / 160 psi (1100 kPa) / 200 psi (1380 kPa) /. 1. PE butt, heat-fusion fittings shall be ASTM D3261. 2. PE socket-type fittings shall be ASTM D2683. F. PVC pipe: ASTM D1785, PVC 1120 compound, / Schedule 40 / Schedule 80 / Schedules 40 and 80 /. 1. PVC socket fittings shall be / ASTM D2466, Schedu

43、le 40 / ASTM D, 2464 Schedule 80 / ASTM D2466, Schedule 40 and ASTM D2464, Schedule 80 / . 2. PVC threaded fittings: ASTM D2464, Schedule 80. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 32 84 00-8 3. Swing joints: Threaded fittings with ela

44、stomeric seals that allow 360 degree rotation, and designed for minimum 200 psi (1375 kPa) working pressure, may be used in lieu of standard threaded fittings. 4. PVC socket unions: Both headpiece and tailpiece shall be PVC with socket ends. G. PVC Pipe: ASTM D2241, PVC 1120 compound, / SDR 21 / or

45、/ SDR 26 /. 1. PVC socket fittings: ASTM D2467, Schedule 80. 2. PVC socket unions: Both headpiece and tailpiece shall be PVC with socket or threaded ends. 2.2 PIPE JOINING MATERIALS A. Metal, pipe-flange bolts and nuts: ASME B18.2.1, carbon steel unless otherwise indicated. B. Brazing filler metals:

46、 AWS A5.8, BCuP Series, copper-phosphorus alloys for general-duty brazing unless otherwise indicated. C. Solder filler metals: ASTM B32, lead-free alloys. Include water-flushable flux according to ASTM B813. D. Solvent cements for joining PVC piping: ASTM D2564. Include primer according to ASTM F656

47、. E. Plastic, Pipe-Flange Gaskets, Bolts, and Nuts: Type and material recommended by piping system manufacturer unless otherwise indicated. 2.3 VALVES A. Underground Shut-Off Valves: SPEC WRITER NOTE: Select paragraphs as necessary below. 1. Butterfly valves 2 inches (50 mm) and larger: AWWA C504, i

48、ron body, bronze mounted, double disc with / parallel / or / inclined / seats, non-rising stem turning clockwise to close, 150 psi (1025 kPa) minimum working pressure. 2. Ball valves, isolation valves, 1-1/2 inch (38 mm) and smaller: Full-port ball valves with bronze body, PTFE seats, and 90 degree

49、on/off handle. Ball valves to have NPT female end connections. B. Operations: 1. Underground applications shall use valves with 2 inch (50 mm) nut for T-Handle socket wrench operation. 2. Aboveground and valve pit applications shall use valves, with handwheels. 3. All butterfly valves 6 inches (150 mm) a