ASTM F2737-10
(Specification)Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units
Standard Specification for Corrugated High Density Polyethylene (HDPE) Water Quality Units
SCOPE
1.1 This specification covers materials, structural design, physical dimensions and manufacturing requirements for monolithic or sectional corrugated high density polyethylene (HDPE) water quality units with volumes greater than or equal to 140 ft3 or 1,050 gal (4,000 L).
1.2 The corrugated HDPE water quality units are placed as offline or inline treatment devices along storm drain pipe lines to remove total suspended solids (TSS), heavy metals and phosphorous. Typical sources of pollutants include construction activity, automotive transportation related wear and debris items, refuse, landscaping debris, agricultural activities, and other similar by-products.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This specification covers horizontally laid corrugated HDPE water quality units as illustrated in Fig. 1.
1.5 The following safety hazard caveat pertains only to the test methods portion, Section 9, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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An American National Standard
Designation: F2737 – 10
Standard Specification for
Corrugated High Density Polyethylene (HDPE) Water Quality
Units
This standard is issued under the fixed designation F2737; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Pipes Using Flexible Elastomeric Seals
D3350 Specification for Polyethylene Plastics Pipe and
1.1 This specification covers materials, structural design,
Fittings Materials
physical dimensions and manufacturing requirements for
F412 Terminology Relating to Plastic Piping Systems
monolithic or sectional corrugated high density polyethylene
F477 SpecificationforElastomericSeals(Gaskets)forJoin-
(HDPE) water quality units with volumes greater than or equal
ing Plastic Pipe
to 140 ft or 1,050 gal (4,000 L).
F714 Specification for Polyethylene (PE) Plastic Pipe
1.2 The corrugated HDPE water quality units are placed as
(SDR-PR) Based on Outside Diameter
offline or inline treatment devices along storm drain pipe lines
F2306/F2306M Specification for 12 to 60 in. [300 to 1500
to remove total suspended solids (TSS), heavy metals and
mm] Annular Corrugated Profile-Wall Polyethylene (PE)
phosphorous. Typical sources of pollutants include construc-
Pipe and Fittings for Gravity-Flow Storm Sewer and
tion activity, automotive transportation related wear and debris
Subsurface Drainage Applications
items, refuse, landscaping debris, agricultural activities, and
2.2 Plastic Pipe Institute:
other similar by-products.
PPI TR-4 PPI Listing of Hydrostatic Design Basis (HDB),
1.3 The values stated in inch-pound units are to be regarded
Pressure Design Basis (PDB), and Minimum Required
as standard. The values given in parentheses are mathematical
Strength (MRS) Ratings for Thermoplastic Plastic Pipes
conversions to SI units that are provided for information only
2.3 AASHTO Standard
and are not considered standard.
LDFD Bridge Design Specifications
1.4 This specification covers horizontally laid corrugated
HDPE water quality units as illustrated in Fig. 1.
3. Terminology
1.5 The following safety hazard caveat pertains only to the
3.1 For definitions of terms relating to plastics, see Termi-
test methods portion, Section 9, of this specification. This
nology F412 and abbreviations are in accordance with Termi-
standard does not purport to address all of the safety concerns,
nology D1600, unless otherwise specified.
if any, associated with its use. It is the responsibility of the user
3.2 Definitions of Terms Specific to This Standard:
of this standard to establish appropriate safety and health
3.3 access opening, n—a hole in the top or crown of the
practices and determine the applicability of regulatory limita-
water quality unit for access to the interior for inspection,
tions prior to use.
cleaning and removing of sediment, hydrocarbons, floating
2. Referenced Documents debris, and pollutants without personnel entry.
3.4 baffle, n—a device at the inlet of the water quality unit
2.1 ASTM Standards:
that extends partially between the top and invert intended to
D1600 Terminology for Abbreviated Terms Relating to
deflect influent downward and increase the length of the flow
Plastics
path of the liquid as it travels through the water quality unit.
D3212 Specification for Joints for Drain and Sewer Plastic
3.5 bypass, n—an optional external piping intended to
convey storm flow in excess of the treatment flow rate beyond
This specification is under the jurisdiction ofASTM Committee F17 on Plastic the water quality unit.
Piping Systems and is the direct responsibility of Subcommittee F17.26 on Olefin
Based Pipe.
Current edition approved Feb. 1, 2010. Published February 2010. DOI:10.1520/
F2737–10. Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Irving, TX 75062, http://www.plasticpipe.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Association of State Highway and Transportation
Standards volume information, refer to the standard’s Document Summary page on Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,
the ASTM website. http://www.transportation.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F2737 – 10
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 is
constructed 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 Units
3.6 Compartment, n—a separate and distinct section of the 4.1.1 Reference to this specification, and date of issue.
water quality unit designated for specific contaminant removal. 4.1.2 Quantity or number of water quality units.
3.7 first flush, n—the first half inch to one inch of rainfall 4.1.3 Capacity of the tank in ft or gal (L).
which results in overland flow during a storm event or as 4.1.4 Project conditions such as peak storm flow rate,
required by the regional water quality regulatory agency. bypass diameter and associated piping elevations.
3.8 joint, n—aphysicalseparationwheretwosectionsofthe 4.1.5 Acceptance will be based on a review of the calcula-
water quality unit are in contact. tions or testing submittals.
3.9 monolithic corrugated HDPE water quality unit, n—a 4.1.6 Design requirements such as depth of earth cover, live
singleextrudedpieceofpipewithnointernaljointsandwelded load applied at the surface, ground water level and joint
end caps that serves as the water quality unit. requirements for bypass pipe.
3.10 non-sealed joint, n—a joint where a machined fit will 4.1.7 Testing for water leakage shall not be required at the
minimizethemovementofliquidfromonesideofawalltothe job site unless specifically required by the owner at the time of
opposite side. ordering.
3.11 orifice equation, n—prediction of flow rate through a
5. Materials and Manufacture
round opening of liquid given the opening size and the head
above the opening.
5.1 Water Quality Unit, Access Risers and Fittings—Shall
3.12 owner, n—is by definition end user, customer, or
be fabricated from pipe and fittings meeting the requirements
purchaser.
of Specification F2306/F2306M. It is permissible to utilize
3.13 sealed joint, n—a joint that is sealed to prevent liquid
other pipe materials as long as they meet the performance
passing from one side of a wall to the opposite wall.
criteria in this standard and are approved by the owner.
3.14 sectional corrugated HDPE water quality unit, n—a
5.2 Inlet and Outlet Tees—Shallbefabricatedfrompipeand
group of two or more extruded pieces of pipe connected with
fittings meeting the requirements of Specification F2306/
sealed joints that when combined serve as the principal unit.
F2306M for dual wall pipe or Specification F714 for solid wall
3.15 Stokes Law, n—prediction of settling time for particles
pipe.
of various sizes in a liquid.
5.3 Internal Tank Piping—Internal piping within the water
3.16 treatment flow rate, n—the flow rate for which the
quality unit shall be fabricated from pipe and fittings meeting
water quality unit is intended to treat such to provide removal
the requirements of Specification F2306/F2306M for dual wall
of Total Suspended Solids (TSS).
pipe or Specification F714 for solid wall pipe.
3.17 water quality unit—a single unit or series of units in
5.4 Weirs, Baffles, and End Caps—– Weirs and end caps
which pollutants from storm runoff from land drainage is
shall be fabricated from either flat plates meeting the require-
received, detained, and treated and from which the liquid
ments of PPI TR-4 PE 3408 material.
effluent, which is comparatively free from settleable, sus-
5.5 Pipe Connections:
pended,andfloatingsolids,isthendischargedtoapublicstorm
5.5.1 Pipe to Water Quality Unit connections shall employ
sewer, water detention / retention structure, or publicly owned
flexible watertight connectors conforming to the requirements
waterway.
of Specification F477.
3.18 weir, n—a partition across the width of the water
6. Structural Design Requirements
quality unit that partially extends between the invert and top
and is intended to trap pollutants.
6.1 Pipe sections used in the fabrication of the water quality
unit shall be design by calculation using the AASHTO LRFD
4. Ordering Information
Bridge Specifications, Section 12, “ Buried Structures and
4.1 The owner shall include the following information in Tunnel Liners”
bidding documents and on the purchase order, as applicable to 6.2 Structural analysis and design of the water quality units
the units being ordered: shall be performed using commercially practicable methods
F2737 – 10
and may include computer aided analysis, field based analysis, 7.4.3 The bypass pipe shall be the same size as the main
or analytical calculations. storm drain line.
6.2.1 Structural analysis and design shall include provisions
7.4.3.1 Pipe size shall be determined by the design engineer
for external hydrostatic pressure.
and furnished to the manufacturer for fabrication.
6.2.2 Structural analysis and design shall incorporate a
7.5 Outlet Devices:
minimum live load at the surface, of an AASHTO H-25 load,
7.5.1 If tees or outlet filters are added, they shall be made of
unless greater loading is anticipated.
noncorrosive materials and be permanently connected with
6.2.3 Structural analysis and design shall take into consid-
non-corrosive fasteners to either the inside of the water quality
eration the number, placement, and size of all openings.
unit or the outlet pipe.
6.3 Installation shall be in accordance with the manufactur-
7.5.2 Outlet filter devices, if specified, shall be installed in
er’s instructions.
accordance with manufacturer’s recommendations or require-
ments of the regulating agencies, or both.
7. Physical Dimensions
7.5.3 Specifications for tees and outlet filters shall be in
7.1 Water Quality Unit Sizes:
accordance with treatment flow conditions.
7.1.1 The volume of water quality units is given in Table 1.
These volumes do not reflect the treatment or removal efficien- 7.6 Access Openings:
...
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