Only those manufacturers names and
product numbers listed herein, are approved for use on this project.
All other manufacturers must request approval as per section (1.04
- A - Substitutions). Absolutely no variations from listed and pre-approved
items will be permitted.
Doors, Panels and Pilasters shall be constructed
of two sheets of panel flatness zinc-coated steel, Galvanneal ASTM
A653 GR33, laminated under pressure to a honeycomb core for sound
deadening and rigidity. Formed edges to be welded together and inter-locked
under tension with a roll-formed oval crown locking bar, mitred,
welded and ground smooth at the corners. Honeycomb to have a maximum
25mm (1") cell size with compressive strength of 31 pounds per square
Shall be 25mm (1") thick with cover sheets not less than 22ga. (0.8mm).
Shall be 25mm (1") thick with cover sheets not less
than 22ga. (0.8mm). (Note: 20 ga. (0.9mm) available upon request.)
Shall be 32mm (1.25") thick with cover sheets not
less than 18ga. (1.2mm).
Hardware and Fittings:
All panel and pilaster brackets and all door hardware
shall be chrome plated zinc die castings. Doors shall be equipped
with a gravity type hinge mounted on the lower pilaster hinge bracket.
Door hinges shall be fully concealed within the thickness of the
door and adjustable to permit the door to come to rest at any position
when not latched.
Each door to be fitted with a combined coat hook
and bumper and a concealed latch, with face mortised flush with
edge strip of door. Barrier-free doors shall include thumbturn lever
to activate latch without fingertip grip application. Both standard
and barrier-free latches shall have a turn slot designed to allow
emergency access from exterior.
The combined stop and keeper shall have a 19mm (0.75")
diameter bumper locked in place. Door top hinge pin shall be made
from high strength, self lubricating nylon with a split-tip design
to prevent rising out of top door casting. Pilaster shoes shall
be a welded one-piece design made from polished stainless steel.
Two-piece shoes that can disassemble when kicked are unacceptable.
All sheet metal to be thoroughly
cleaned, phosphated and finished with a high performance powder
coating, electrostatically applied and oven cured to provide a uniform,
smooth protective finish. Color shall be as selected from a choice
of 26 colors (including 6 "special effects" textures) as shown in
Hadrian color chart.