can select a higher design pressure and water
resistance pressure from among the "Optional
Performance Grades" table shown in Section 4 of AAMA
101.
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Aluminum windows shall consist of complete units including sash, glass,
frame, weatherstripping, [_____], and hardware. Windows shall conform to
AAMA 101. Windows shall be [single-glazed] [double-glazed] [thermal break
type double-glazed. Thermal barrier shall be neoprene, rigid vinyl, or
polyurethane and shall be resistant to weather. Window members shall be
heli-arc welded or angle-reinforced and mechanically joined and sealed.
Exposed welded joints shall be dressed and finished. Joints shall be
permanent and weathertight. Frames shall be constructed to provide a
minimum 6 mm 1/4 inch thermal break between the exterior and interior frame
surfaces. Sash corners shall be internally sealed to prevent air and water
leaks. Inner sash shall be key-controlled to swing to the interior to
allow maintenance and replacement of the glass. Not less than [_____]
control keys shall be furnished]. Operable windows shall permit cleaning
the outside glass from inside the building.
2.1.1
Awning/Hopper/Projected Windows
Aluminum awning (A),hopper and projected windows shall conform to AAMA 101
Designation [AP-R15] [AP-LC25] [AP-C30] [AP-HC40] [PA-AW40] [PA-AW50]
[PA-AW60] [_____] type consisting of hinged ventilators arranged in a
single or vertical series within a common frame. Ventilators shall be
[operated by a device which shall securely close the ventilator at both
jambs without the use of additional manually-controlled locking device]
[equipped with [concealed four-bar friction hinges] [_____]]. Operating
hardware, except ventilator arms and rotary operators, shall be concealed
within frame and sill. Ventilator arms shall be concealed when windows are
closed.
2.1.2
Casement Windows
Aluminum casement (C) windows shall conform to AAMA 101 Designation [C-R15]
[LC-25] [C-C30] [C-HC40] [C-AW40] [C-AW50] [C-AW60] [____]type with
ventilators which swing on side jamb. Hinges shall be [butt (close-up)]
[_____] type. Operators shall be [roto-type][as required for hinge type].
[Keyed locking] [_____] devices shall be provided to secure ventilators
tightly in the frame in the closed position.
2.1.3
Single-Hung and Double-Hung Windows
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NOTE: Double-hung or single-hung windows are
typically used for living quarters and also for
facilities with window air-conditioners.
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Aluminum single-hung (H) and double-hung (H) windows shall conform to AAMA
101 [H-R15] [H-LC25] [H-C30] [H-HC40] [H-AW40] type which operate
vertically with the weight of sash offset by a counterbalancing mechanism
mounted in window to hold the sash stationary at any open position.
Windows shall be provided with a tilt-in sash. Single-hung and double-hung
windows shall be provided with locking devices to secure the sash in the
closed position. Counterbalancing mechanisms shall be easily replaced
after installation.
SECTION 08520A
Page 14
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