ASTM F2737-2010 Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units《起皱的高密度聚乙烯(HDPE)水质单位用标准规范》.pdf

《ASTM F2737-2010 Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units《起皱的高密度聚乙烯(HDPE)水质单位用标准规范》.pdf》由会员分享，可在线阅读，更多相关《ASTM F2737-2010 Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units《起皱的高密度聚乙烯(HDPE)水质单位用标准规范》.pdf（5页珍藏版）》请在麦多课文档分享上搜索。

1、Designation: F2737 10Standard Specification forCorrugated High Density Polyethylene (HDPE) Water QualityUnits1This standard is issued under the fixed designation F2737; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of la

2、st revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers materials, structural design,physical dimensions and manufacturing requirements formonolithic

3、or sectional corrugated high density polyethylene(HDPE) water quality units with volumes greater than or equalto 140 ft3or 1,050 gal (4,000 L).1.2 The corrugated HDPE water quality units are placed asoffline or inline treatment devices along storm drain pipe linesto remove total suspended solids (TS

4、S), heavy metals andphosphorous. Typical sources of pollutants include construc-tion activity, automotive transportation related wear and debrisitems, refuse, landscaping debris, agricultural activities, andother similar by-products.1.3 The values stated in inch-pound units are to be regardedas stan

5、dard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This specification covers horizontally laid corrugatedHDPE water quality units as illustrated in Fig. 1.1.5 The following safety hazard caveat perta

6、ins only to thetest methods portion, Section 9, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the appli

7、cability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2D1600 Terminology for Abbreviated Terms Relating toPlasticsD3212 Specification for Joints for Drain and Sewer PlasticPipes Using Flexible Elastomeric SealsD3350 Specification for Polyethylene Plastics Pipe an

8、dFittings MaterialsF412 Terminology Relating to Plastic Piping SystemsF477 Specification for Elastomeric Seals (Gaskets) for Join-ing Plastic PipeF714 Specification for Polyethylene (PE) Plastic Pipe(SDR-PR) Based on Outside DiameterF2306/F2306M Specification for 12 to 60 in. 300 to 1500mm Annular C

9、orrugated Profile-Wall Polyethylene (PE)Pipe and Fittings for Gravity-Flow Storm Sewer andSubsurface Drainage Applications2.2 Plastic Pipe Institute:3PPI TR-4 PPI Listing of Hydrostatic Design Basis (HDB),Pressure Design Basis (PDB), and Minimum RequiredStrength (MRS) Ratings for Thermoplastic Plast

10、ic Pipes2.3 AASHTO Standard4LDFD Bridge Design Specifications3. Terminology3.1 For definitions of terms relating to plastics, see Termi-nology F412 and abbreviations are in accordance with Termi-nology D1600, unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.3 access op

11、ening, na hole in the top or crown of thewater quality unit for access to the interior for inspection,cleaning and removing of sediment, hydrocarbons, floatingdebris, and pollutants without personnel entry.3.4 baffle, na device at the inlet of the water quality unitthat extends partially between the

12、 top and invert intended todeflect influent downward and increase the length of the flowpath of the liquid as it travels through the water quality unit.3.5 bypass, nan optional external piping intended toconvey storm flow in excess of the treatment flow rate beyondthe water quality unit.3.6 Compartm

13、ent, na separate and distinct section of thewater quality unit designated for specific contaminant removal.3.7 first flush, nthe first half inch to one inch of rainfallwhich results in overland flow during a storm event or asrequired by the regional water quality regulatory agency.1This specificatio

14、n is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.26 on OlefinBased Pipe.Current edition approved Feb. 1, 2010. Published February 2010.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM C

15、ustomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.4Available from American Ass

16、ociation of State Highway and TransportationOfficials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,http:/www.transportation.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.8 joint, na physical separation wh

17、ere two sections of thewater quality unit are in contact.3.9 monolithic corrugated HDPE water quality unit, nasingle extruded piece of pipe with no internal joints and weldedend caps that serves as the water quality unit.3.10 non-sealed joint, na joint where a machined fit willminimize the movement

18、of liquid from one side of a wall to theopposite side.3.11 orifice equation, nprediction of flow rate through around opening of liquid given the opening size and the headabove the opening.3.12 owner, nis by definition end user, customer, orpurchaser.3.13 sealed joint, na joint that is sealed to prev

19、ent liquidpassing from one side of a wall to the opposite wall.3.14 sectional corrugated HDPE water quality unit, nagroup of two or more extruded pieces of pipe connected withsealed joints that when combined serve as the principal unit.3.15 Stokes Law, nprediction of settling time for particlesof va

20、rious sizes in a liquid.3.16 treatment flow rate, nthe flow rate for which thewater quality unit is intended to treat such to provide removalof Total Suspended Solids (TSS).3.17 water quality unita single unit or series of units inwhich pollutants from storm runoff from land drainage isreceived, det

21、ained, and treated and from which the liquideffluent, which is comparatively free from settleable, sus-pended, and floating solids, is then discharged to a public stormsewer, water detention / retention structure, or publicly ownedwaterway.3.18 weir, na partition across the width of the waterquality

22、 unit that partially extends between the invert and topand is intended to trap pollutants.4. Ordering Information4.1 The owner shall include the following information inbidding documents and on the purchase order, as applicable tothe units being ordered:4.1.1 Reference to this specification, and dat

23、e of issue.4.1.2 Quantity or number of water quality units.4.1.3 Capacity of the tank in ft3or gal (L).4.1.4 Project conditions such as peak storm flow rate,bypass diameter and associated piping elevations.4.1.5 Acceptance will be based on a review of the calcula-tions or testing submittals.4.1.6 De

24、sign requirements such as depth of earth cover, liveload applied at the surface, ground water level and jointrequirements for bypass pipe.4.1.7 Testing for water leakage shall not be required at thejob site unless specifically required by the owner at the time ofordering.5. Materials and Manufacture

25、5.1 Water Quality Unit, Access Risers and FittingsShallbe fabricated from pipe and fittings meeting the requirementsof Specification F2306/F2306M. It is permissible to utilizeother pipe materials as long as they meet the performancecriteria in this standard and are approved by the owner.5.2 Inlet an

26、d Outlet TeesShall be fabricated from pipe andfittings meeting the requirements of Specification F2306/F2306M for dual wall pipe or Specification F714 for solid wallpipe.5.3 Internal Tank PipingInternal piping within the waterquality unit shall be fabricated from pipe and fittings meetingthe require

27、ments of Specification F2306/F2306M for dual wallpipe or Specification F714 for solid wall pipe.5.4 Weirs, Baffles, and End Caps Weirs and end capsshall be fabricated from either flat plates meeting the require-ments of PPI TR-4 PE 3408 material.5.5 Pipe Connections:5.5.1 Pipe to Water Quality Unit

28、connections shall employflexible watertight connectors conforming to the requirementsof Specification F477.6. Structural Design Requirements6.1 Pipe sections used in the fabrication of the water qualityunit shall be design by calculation using the AASHTO LRFDBridge Specifications, Section 12, “ Buri

29、ed Structures andTunnel Liners”6.2 Structural analysis and design of the water quality unitsshall be performed using commercially practicable methodsand may include computer aided analysis, field based analysis,or analytical calculations.6.2.1 Structural analysis and design shall include provisionsf

30、or external hydrostatic pressure.HDPE water quality units contain three (3) chambers. A side inlet may be used in lieu of the end inlet and flow diverter when a full height longitudinal partition isconstructed in the sediment chamber compartment to extend the particle travel length and isolate incom

31、ing flow from sediment build-up.FIG. 1 Horizontally Laid Corrugated HDPE Water Quality UnitsF2737 1026.2.2 Structural analysis and design shall incorporate aminimum live load at the surface, of an AASHTO H-25 load,unless greater loading is anticipated.6.2.3 Structural analysis and design shall take

32、into consid-eration the number, placement, and size of all openings.6.3 Installation shall be in accordance with the manufactur-ers instructions.7. Physical Dimensions7.1 Water Quality Unit Sizes:7.1.1 The volume of water quality units is given in Table 1.These volumes do not reflect the treatment o

33、r removal efficien-cies in 9.2.7.2 Compartments:7.2.1 Units shall utilize multiple compartments with divid-ing weirs and baffles welded to the unit. Separate compart-ments shall exist for solids and floatable removal.7.2.1.1 Welding of the weir and baffle shall be done bycontinuous extrusion welding

34、 on both sides of the weir andbaffle.7.2.1.2 Welding rod shall be of medium or high densitypolyethylene corresponding to the properties for the end platematerials in 5.4 with the exception that the tensile strength atyield shall not be less than 5000 psi (3.5MKg/m2).7.2.2 Multiple units installed in

35、 series or parallel are accept-able.7.2.3 Each compartment shall have an access riser forinspection and maintenance.7.3 Inlet and Outlet Pipes:7.3.1 The inlet pipe shall be no less than 10 in. (250 mm)in diameter.7.3.2 The elevation difference between the invert of the inletpipe and the invert of th

36、e outlet pipe shall be a minimum of 2in. (50mm).7.3.3 Connections to inlet and outlet pipes shall be madewith a sealed flexible connector conforming to SpecificationF477.7.4 Bypass pipe:7.4.1 The bypass pipe shall be no less than 10 in. (250 mm)in diameter.7.4.2 The bypass pipe shall be located betw

37、een the connec-tions of the inlet pipe and the outlet pipe of the water qualityunit to the main storm drain line.7.4.3 The bypass pipe shall be the same size as the mainstorm drain line.7.4.3.1 Pipe size shall be determined by the design engineerand furnished to the manufacturer for fabrication.7.5

38、Outlet Devices:7.5.1 If tees or outlet filters are added, they shall be made ofnoncorrosive materials and be permanently connected withnon-corrosive fasteners to either the inside of the water qualityunit or the outlet pipe.7.5.2 Outlet filter devices, if specified, shall be installed inaccordance w

39、ith manufacturers recommendations or require-ments of the regulating agencies, or both.7.5.3 Specifications for tees and outlet filters shall be inaccordance with treatment flow conditions.7.6 Access Openings:7.6.1 An access opening shall be provided for inspectionand maintenance of all compartments

40、.7.6.2 Access openings shall be a minimum of 24 in.(600 mm) in diameter. The cover shall be provided with alocking mechanism to prevent unauthorized entrance unlessotherwise specified by the owner.7.6.3 An access opening shall be provide for each compart-ment.7.7 End Plates:7.7.1 Plates shall be wel

41、ded to the ends of the pipe sectionsto form the completed water quality unit.7.7.1.1 Welding of the end plates shall be done by continu-ous extrusion welding on both sides of the wall.7.7.1.2 Welding rod shall be of medium or high densitypolyethylene meeting the properties for the unit as requiredun

42、der Specification F2306/F2306M with the exception that thetensile strength at yield shall not be less than 5000 psi (3.5MKg /m2).7.7.2 End plates shall be made of virgin PE plastic com-pound meeting the requirements of cell classification 445434Cas defined in Specification D3350, except that carbon

43、blackcontent shall not exceed 4%. Compounds that have a highercell classification in one or more properties shall be permittedprovided all other product requirements are met.8. Quality Control and Sampling8.1 The manufacturer shall measure and document thephysical dimensions of each water quality un

44、it as requiredunder Section 7.9. Performance Test Methods9.1 Watertight IntegrityLaboratory leakage testing (if re-quired) of the unit shall be performed using either the vacuumor hydrostatic test methods listed in 9.1.1 and 9.1.2. Thistesting is only to confirm the integrity of the welds andTABLE 1

45、 Water Quality Unit SizesUnit Inside Diameterin. (mm)Inside Lengthft (m)Total Volumegal (m3)Minimum Inlet/Outlet Diameterin. (mm)36 (900) 20 (6) 1058 (4.0) 10 (250)36 (900) 40 (12) 2116 (8.0) 10 (250)42 (1050) 20 (6) 1439 (5.4) 12 (300)42 (1050) 40 (12) 2879 (10.9) 12 (300)48 (1200) 20 (6) 1879 (7.1

46、) 12 (300)48 (1200) 40 (12) 3758 (14.2) 12 (300)60 (1500) 20 (6) 2937 (11.1) 15 (375)60 (1500) 40 (12) 5874 (22.2) 15 (375)F2737 103homogeneous quality of the wall. Pressure testing of the jointsand any similar connections shall be in accordance with 9.2.9.1.1 Vacuum TestingSeal the empty unit and a

47、pplyvacuum to 4 in. (100mm) of Mercury. Hold the vacuum for aperiod of 5 min to allow for pressure equalization, andstabilization of product creep. If the vacuum drops it shall beincreased to 4 in. (100 mm) of Mercury and held for a periodof 2 min. The unit is approved if 90% of vacuum is held for t

48、he2 min period. If the unit fails, it shall be repaired and retested.9.1.2 Hydrostatic TestingSeal the empty unit and fill withwater to its operational level, monitor the leakage, if anyoccurs, overa1hperiod. The maximum allowable leakageshall not exceed 0.1% of the manufactures stated total volumew

49、ithin the 1 h period. If the unit fails, it shall be repaired andretested.9.2 Joint TestingTesting of the bell and spigot joints shallbe in accordance with Specification D3212.9.3 Removal EffciencyRemoval efficiency testing shall bedetermined by the owner based on their required treatment flowrate. Testing to meet this criteria shall be mutually agreed uponby the owner and manufacturer prior to ordering. The certifi-cation test to meet these criteria are outside the scope of thisstandard, but if required by the owner, these criteria shall beincluded