ANSI ASTM F2737-2011 Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units《起皱的高密度聚乙烯(HDPE)水质单位用规范》.pdf

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1、Designation: F2737 11 (Reapproved 2017) An American National StandardStandard 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 adop

2、tion or, in the case of revision, the year of last 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 dimensio

3、ns and manufacturing requirements formonolithic or sectional corrugated high density polyethylene(HDPE) water quality units with volumes greater than or equalto 86 ft3or 640 gal (2,400 L).1.2 The corrugated HDPE water quality units are placed asoffline or inline treatment devices along storm drain p

4、ipe linesto remove total suspended solids (TSS), 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

5、in inch-pound units are to be regardedas standard. 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

6、.1.5 The following safety hazard caveat pertains 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 safet

7、y, health andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of Inter

8、national Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3212 Specification for Joints for Drain and Sewer PlasticPipes Usi

9、ng Flexible Elastomeric SealsD3350 Specification for Polyethylene Plastics Pipe and Fit-tings MaterialsF412 Terminology Relating to Plastic Piping SystemsF477 Specification for Elastomeric Seals (Gaskets) for Join-ing Plastic PipeF714 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on

10、 Outside DiameterF2306/F2306M Specification for 12 to 60 in. 300 to 1500mm Annular Corrugated 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 De

11、sign Basis (PDB), and Minimum RequiredStrength (MRS) Ratings for Thermoplastic Plastic 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

12、otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.2.1 access opening, 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.1This sp

13、ecification 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 Aug. 1, 2017. Published September 2017. Originallyapproved in 2010. Last previous edition approved in 2011 as F273

14、711.DOI:10.1520/F273711R17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer 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 Inst

15、itute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.4Available from American Association of State Highway and TransportationOfficials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,http:/www.transportation.org.Copyright ASTM International, 100 Barr

16、 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recomme

17、ndations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.13.2.2 bypass, nan optional external piping intended toconvey storm flow in excess of the treatment flow rate beyondthe water quality unit.3.2.3 Compartment, na separate and distinct section of thewater quali

18、ty unit designated for specific contaminant removal.3.2.4 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.3.2.5 flow diverter (partitions), na device at the inlet ofthe water qu

19、ality unit that extends partially between the top andinvert intended to deflect influent downward and increase thelength of the flow path of the liquid as it travels through thewater quality unit.3.2.6 joint, na physical separation where two sections ofthe water quality unit are in contact.3.2.7 mon

20、olithic corrugated HDPE water quality unit, nasingle extruded piece of pipe with no internal joints and weldedend caps that serves as the water quality unit.3.2.8 non-sealed joint, na joint where a machined fit willminimize the movement of liquid from one side of a wall to theopposite side.3.2.9 ori

21、fice equation, nprediction of flow rate through around opening of liquid given the opening size and the headabove the opening.3.2.10 owner, nis by definition end user, customer, orpurchaser.3.2.11 sealed joint, na joint that is sealed to prevent liquidpassing from one side of a wall to the opposite

22、wall.3.2.12 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.3.2.13 Stokes Law, nprediction of settling time for par-ticles of various sizes in a liquid.3.2.14 treatment flow rate,

23、nthe flow rate for which thewater quality unit is intended to treat such to provide removalof Total Suspended Solids (TSS).3.2.15 water quality unita single unit or series of units inwhich pollutants from storm runoff from land drainage isreceived, detained, and treated and from which the liquideffl

24、uent, which is comparatively free from settleable,suspended, and floating solids, is then discharged to a publicstorm sewer, water detention / retention structure, or publiclyowned waterway.3.2.16 weir, na partition across the width of the sedimentchamber that partially extends between the invert an

25、d top andis 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 date of issue.4.1.2 Quantity or number of water quali

26、ty 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 Design requirements such as depth of earth cover, li

27、veload 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 Manufacture5.1 Water Quality Unit, Access Risers and Fittings

28、Shallbe 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 and Outlet TeesShall be fabricated from pipe andfitt

29、ings meeting the requirements of Specification F2306/F2306M for dual wall pipe or Specification F714 for solid wallpipe. It is permissible to utilize other pipe materials as long asthey meet the performance criteria in this standard and areapproved by the owner.5.3 Internal Tank PipingInternal pipin

30、g within the waterquality unit shall be fabricated from pipe and fittings meetingthe requirements of Specification F2306/F2306M for dual wallpipe or Specification F714 for solid wall pipe. It is permissibleHDPE water quality units contain three (3) chambers. A side inlet may be used in lieu of the e

31、nd inlet and flow diverter when a full height longitudinal partition isconstructed in the sediment chamber compartment to extend the particle travel length and isolate incoming flow from sediment build-up.FIG. 1 Horizontally Laid Corrugated HDPE Water Quality UnitsF2737 11 (2017)2to utilize other pi

32、pe materials as long as they meet theperformance criteria in this standard and are approved by theowner.5.4 Weirs, Flow Diverters, and End CapsWeirs, flowdiverters (partitions), and end caps shall be fabricated fromeither flat plates meeting the requirements of PPI TR-4 PE3408 material.5.5 Pipe Conn

33、ections:5.5.1 Pipe to Water Quality Unit 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 LRFD

34、Bridge Specifications, Section 12, “ Buried 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 anal

35、ysis and design shall include provisionsfor external hydrostatic pressure.6.2.2 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 into consid-eration the num

36、ber, 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 or removal efficien-cies in

37、9.2.7.2 Compartments:7.2.1 Units shall utilize multiple compartments with divid-ing weirs and flow diverters (partitions) welded to the unit.Separate compartments shall exist for solids and floatableremoval.7.2.1.1 Welding of the weir and flow diverters (partitions)shall be done by continuous extrus

38、ion welding on both sides ofthe weir and flow diverters (partitions).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

39、.2.2 Multiple units installed in 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 th

40、e inletpipe and the invert of the 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 b

41、ypass pipe shall be located between 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 m

42、anufacturer for fabrication.7.5 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, s

43、hall be installed inaccordance with 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

44、 maintenance of all compartments.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.TABLE 1 Water Quality Unit SizesUnit Inside Diameterin. (mm)Inside Leng

45、thft (m)Total Volumegal (m3)Minimum Inlet/Outlet Diameterin. (mm)36 (900) 12 (3.7) 640 (2.4) 10 (250)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) 12 (300)48 (1200) 40 (12)

46、3758 (14.2) 12 (300)60 (1500) 20 (6) 2937 (11.1) 15 (375)60 (1500) 40 (12) 5874 (22.2) 15 (375)F2737 11 (2017)37.6.3 An access opening shall be provide for each compart-ment.7.7 End Plates:7.7.1 Plates shall be welded to the ends of the pipe sectionsto form the completed water quality unit.7.7.1.1 W

47、elding 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 requiredunder Specification F2306/F2306M with the exception that thetensile strength at yield sh

48、all 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 blackcontent shall not exceed 4%. Compounds that have a highercell classification in o

49、ne 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 unit 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 andhomogeneous quality of the wall. Pressure testing of

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