Specifications - Lord and Son Construction, Inc.

flashing or waterproofing membrane to the seepage pan without damaging the
flashing or membrane shall be provided when required to suit the building
construction. Strainer openings shall have a combined area equal to twice
that of the drain outlet. The outlet shall be equipped to make a proper
connection to threaded pipe of the same size as the downspout. An expansion
joint of proper size to receive the conductor pipe shall be provided. The
expansion joint shall consist of a heavy cast-iron housing, brass or bronze
sleeve, brass or bronze fastening bolts and nuts, and gaskets or packing.
The sleeve shall have a nominal thickness of not less than 0.134 inch.
Gaskets and packing shall be close-cell neoprene, O-ring packing shall be
close-cell neoprene of 70 durometer. Packing shall be held in place by a
packing gland secured with bolts.
2.6 SHOWER PAN
Shower pan may be copper, or nonmetallic material.
2.6.1 Sheet Copper
Sheet copper shall be 16 ounce weight.
2.6.2 Plasticized Polyvinyl Chloride Shower Pan Material
Material shall be sheet form. The material shall be 0.040 inch minimum
thickness of plasticized polyvinyl chloride or chlorinated polyethylene and
shall be in accordance with ASTM D 4551.
2.6.3 Nonplasticized Polyvinyl Chloride (PVC) Shower Pan Material
Material shall consist of a plastic waterproofing membrane in sheet form.
The material shall be 0.040 inch minimum thickness of nonplasticized PVC and
shall have the following minimum properties:
a. or ASTM D 638:
Ultimate Tensile Strength: 2600 psi
Ultimate Elongation:
398 percent
100 Percent Modulus: 445 psi
b. ASTM D 1004:
Tear Strength:
300 pounds per inch
c. ASTM E 96/E 96M:
Permeance:
0.008 perms
d. Other Properties:
Specific Gravity: 1.29
PVC Solvent:
Weldable
Cold Crack:
minus 53 degrees F
Dimensional stability
212 degrees F minus 2.5 percent
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