ASTM D2643-98
(Specification)Standard Specification for Prefabricated Asphalt Reservoir, Pond, Canal, and Ditch Liner (Exposed Type)
Standard Specification for Prefabricated Asphalt Reservoir, Pond, Canal, and Ditch Liner (Exposed Type)
SCOPE
1.1 This specification covers prefabricated asphalt liner sheets intended for installation in accordance with Practice D 3745 to provide a continuous, exposed lining for reservoirs, ponds, canals, and ditches.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following precautionary caveat pertains only to the test method portion, Section 8, 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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Designation: D 2643 – 98
Standard Specification for
Prefabricated Asphalt Reservoir, Pond, Canal, and Ditch
Liner (Exposed Type)
This standard is issued under the fixed designation D 2643; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4. Materials and Manufacture
1.1 This specification covers prefabricated asphalt liner 4.1 The liner sheets shall consist of layers of asphalt mastic
sheets intended for installation in accordance with Practice between asphalt-saturated felts, mats, or fabrics, and shall be
D 3745 to provide a continuous, exposed lining for reservoirs, coated on both sides and covered with a material to prevent the
ponds, canals, and ditches. finished sheets from sticking together during storage and
1.2 The values stated in inch-pound units are to be regarded shipment.
as the standard. The values given in parentheses are for 4.2 The mastic shall consist of asphalt, mineral fillers, and
information only. reinforcing fibers of any type.
1.3 The following precautionary caveat pertains only to the 4.3 The felts, mats, or fabrics shall be organic or glass fiber,
test method portion, Section 8, of this specification: This and shall be impregnated with a hot asphaltic saturant.
standard does not purport to address all of the safety concerns, 4.4 The coating shall be a hot-applied asphalt material
if any, associated with its use. It is the responsibility of the user permitted to be compounded with a mineral stabilizer.
of this standard to establish appropriate safety and health 4.5 The material or treatment applied to prevent the finished
practices and determine the applicability of regulatory limita- sheets from sticking together shall be such that it can be
tions prior to use. removed at the installation site, or its presence will not
interfere with bonding of joint sealant.
2. Referenced Documents
5. Physical Requirements
2.1 ASTM Standards:
D 994 Specification for Preformed Expansion Joint Filler 5.1 The liner sheets shall conform to the requirements
for Concrete (Bituminous Type) prescribed in Table 1.
D 1079 Terminology Relating to Roofing, Waterproofing,
3 6. Dimensions, Mass, and Permissible Variations
and Bituminous Materials
6.1 Dimensions:
D 2172 Test Methods for Quantitative Extraction of Bitu-
men from Bituminous Paving Mixtures 6.1.1 Thickness—0.5006 0.060 in. (12.70 6 1.60 mm).
6.1.2 Width—36 or 486 ⁄4 in. (915 or 1220 6 7 mm).
D 3745 Practice for Installation of Prefabricated Asphalt
3 1
Reservoir, Pond, Canal, and Ditch Liner (Exposed Type) 6.1.3 Length—96, 120, or 144 6 ⁄2 in. (2440, 3050, or 3660
6 15 mm).
E 154 Test Methods for Water Vapor Retarders Used in
Contact with Earth Under Concrete Slabs, on Walls, and as 6.1.4 Other dimensions may be agreed upon between the
purchaser and the supplier for liner sheets and batten or cover
Ground Cover
strips as part of the purchase contract.
3 3
3. Terminology
6.2 Density—72 lb/ft (1150 kg/m ) minimum at 77°F
3.1 Definitions—Refer to Terminology D 1079 for defini- (25°C).
tions of terms used in this specification. 6.3 Thickness of Asphalt Coating—0.023 6 0.008 in.
(0.606 0.20 mm).
1 NOTE 1—If glass mat or fabric is used for the facings, the asphalt
This specification is under the jurisdiction of ASTM Committee D-8 on
coating thickness can not readily be determined and this requirement shall
Roofing, Waterproofing, and Bituminous Materials and is the direct responsibility of
be waived.
Subcommittee D08.04 on Felts and Fabrics for Bituminous Roofing and Water-
proofing.
Current edition approved Jan. 10, 1998. Published September 1998. Originally
published as D 2643 – 67 T. Last previous edition D 2643 – 97a.
Annual Book of ASTM Standards, Vol 04.03.
Annual Book of ASTM Standards, Vol 04.04.
Annual Book of ASTM Standards, Vol 04.07.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 2643
TABLE 1 Physical Requirements of Asphalt Liner Sheets
8. Sampling and Test Methods
Water absorption, max, % 1.0
8.1 Sampling—Select one sheet at random from every 400
Mass percent of asphalt, min, % 65.0
sheets or fraction thereof.
Resistance to decay no effect
Flexibility no cracking or rupture
8.2 Thickness—Cut one test specimen 2 by 6 in. (50 by 150
Brittleness no cracking or shattering
mm) from each liner sheet in the sample as shown at A-1 in
Heat distortion no bulging or mastic flow
Fig. 1. Measure the thickness to the nearest 0.001 in. (0.02
mm) at four points about ⁄2 in. (13 mm) in from the center of
7. Workmanship, Finish, and Appearance
each edge; average the measurements and record as the
7.1 Both surfaces of the liner sheets shall be uniform in
thickness.
finish and texture. The asphaltic coating shall be applied
8.3 Thickness of Asphalt Coating:
uniformly to each side over the entire area and up to the edges
8.3.1 Using a heated putty knife or other blade, carefully
of the sheet, and the material or treatment to prevent sticking
remove the asphalt coating from one side
...
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