specs

2.14 INSULATION
A. Horizontal cold water above ceilings, all hot water piping (except runouts); horizontal storm lines and
interior condensate drains. Where water piping is installed in an exterior wall or structure, the cold or
hot water runout shall also be insulated. Tempered water lines need not be insulated.
B. Molded glass fiber sectional, 1/2" thick (cold water), 1" thick (hot water, condensate piping, and
storm lines) with factory applied vapor barrier with joints sealed with vapor barrier cement and joint
sealer strips.
C. Insulate fittings with mineral wool cement to same thickness as sectional insulation, trowel to smooth
finish and coat with 1/16" thickness of mineral stabilized asphalt weathering compound. On exposed
hot water piping, cover fitting insulation with 6 oz. canvas cemented in place with "Arabol" or "Lagfas".
PVC insulation jackets may be used.
D. The under side of roof drains shall be 1" thick fiberglass insulation with vapor barrier (3 lb./cu. ft.)
extending beyond pipe 12" in all directions. All edges of insulation shall be sealed with mastic to
provide vapor barrier. Secure to under side of roof construction. Vapor barrier shall be complete.
E. At the contractor's option, Armstrong "Armalok" may be used in thermally equivalent thicknesses
where codes permit.
F. All insulation in return air plenums, including jackets, adhesives, coatings, mastics, etc., shall not
exceed 25 flame spread or 50 smoke developed under ASTM Specification E-84 procedure.
G. All insulated pipes shall have galvanized sheet metal saddles between the insulation and the hanger.
H. All pipe insulation shall satisfy the State Energy Code requirements.
I. Where water lines are installed in an exterior wall or adjacent to an exterior wall, the runouts shall be
insulated as well.
J. All Storm drain piping run in the auditorium shall be insulated with 2 layers of insulation, both
layers sealed vapor tight. The inner layer shall be 1/2” of Armaflex. The outer or second layer
shall be 1” of fiberglass insulation with a vapor barrier.
K. Pipes insulated with fiberglass shall have the elbows covered with the pre-molded jackets designed
for such an application.
2.15 ESCUTCHEONS
A. Chrome plated brass at all visible places on pipes passing through walls, ceilings and floors.
2.16 Water Hammer Arrestors
A. Installed at ends of each group of fixture connections, both hot and cold water, and elsewhere as
required to prevent water hammer.
B. Locate above ceilings.
2.17 CLEANOUTS
A. Locate as required by code but not where exposed to public view.. Provide sanitary tees, tapped
tees, quarter bends and extend pipe to surface as follows:
In walls: Wade W-8450-R with plug and polished stainless steel cover
In floors:
Wade Series W-6034 with nickel bronze cover
B. Cleanouts shall not be installed in public spaces (except restrooms). Where cleanouts are required,
and they would land in a public space, extend the cleanout arm back into a storage room or other
similar, non-public space.
2.18 ROOF - FLASHING
A. Vent stack covers etc. coordinate with and as recommended by roofing manufacturer whose materials
are installed.
B. Sheet lead weighing not less than 3 lbs per sf.
C. Base not less than 18" square for vent stacks passing through roof.
Cinemark 15400 - 6 Plumbing
South Napa Century Center XD 12 EnviroDesign, Inc., Bid Issue 7-7-11