Download UTSA Design & Construction Standards

Division 13
Special Construction
1.
Environmental Rooms
A.
Construction
1.
Material: Interior and exterior material shall be .040 inch thick
patterned aluminum and interior shall be stainless steel with sections
fabricated to prevent any thermo-bridge contact from inner to outer
surface.
2.
Floor: Un-insulated floor shall be reinforced for extra bearing strength
with 14 gauge, galvanized steel. Insulated floor shall be stainless steel.
3.
Insulation: To be rigid urethane, foamed-in-place to integrate foam
and skins into rigid panels.
4.
Doors
a.
Provide a minimum clear opening of 34” x 78” with doors
opening outward.
b.
Gaskets to be extruded polyvinyl chloride, NSF approved and
resistant to oil, fats and sunlight.
c.
Hardware shall be chrome plated, positive latching - safety type
complete with cylinder lock. Hinges to be polished aluminum
strap type and pins to be stainless steel with self-closing nylon
cams.
d.
Anti-sweat heaters to be provided on all doors of rooms having
operating temperature range of 0oC or below to prevent frost
accumulation. Heat tape with insulation over heat tape
required on all water, drain and waste lines.
e.
Nonconductive vinyl extrusion (breaker strip) to be provided
on interior framing of door section to prevent transfer of heat
or cold.
5.
All ceilings and exterior walls shall be finished in a white epoxy enamel
finish.
6.
Drain lines shall be copper.
7.
Assembly
a.
Panel-to-panel connections shall be jointed with both gaskets
and ½” diameter continuous bead of butyl caulk.
i.
Ceiling-to-wall joint to also include a bead of silicone
sealant at interior of room.
b.
All penetrations to be sealed with silicone sealant on interior,
spray foam insulation materials on exterior and topped with
silicone.
c.
Pipe insulation shall remain continuous through insulated panel
of room.
d.
Evaporator coils shall be supported on a unistrut hanger
bracket assembly bridged across minimum of two ceiling panel
joints.
UTSA Design & Construction Standards  14th Edition (2nd Issue), April 2014  74