Diameter of upper portion of funnel:
102 mm 4 inches
2.6.8
Roof Drains and Expansion Joints
Roof drains shall conform to ASME A112.21.2M with dome and integral flange,
and shall have a device for making a watertight connection between roofing
and flashing; the whole assembly shall be galvanized heavy pattern cast
iron. For aggregate surface roofing, the drain shall be provided with a
gravel stop. On roofs other than concrete construction, roof drains shall
be complete with underdeck clamp, sump receiver, and an extension for the
insulation thickness where applicable. A clamping device for attaching
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 3.4 mm 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.
2.7
WATER COOLERS
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NOTE: Designer will indicate location, type, and
capacity of the water cooler and water heaters on
the drawings. All requirements will be indicated.
Designer will add to the specification required data
on construction, supports, and insulation.
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Self-contained, wall hung, mechanically refrigerated drinking water coolers
shall conform to ARI 1010, shall use one of the halogenated hydrocarbons as
a refrigerant, and shall have a capacity to deliver a minimum of 30.2
L/hour 8 gph of 10 degree C 50 degree F water when supplied with 27 degree
C 80 degree F inlet water and a 32 degree C 90 degree F room temperature.
2.8
SHOWER PAN
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NOTE: Shower pans will be shown on the
architectural details. Shower pans may be omitted
for showers located on floors with slab-on-grade
construction, unless special local conditions
necessitate waterproofing. Pans will be omitted in
toilet facilities of patient rooms.
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Shower pan may be copper or nonmetallic material.
2.8.1
Sheet Copper
Sheet copper shall be 4.9 kg 16 ounce weight.
SECTION 15405A
Page 47
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