performance, air infiltration, and water penetration.
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The skylight systems shall meet the following requirements:
a. Integral perimeter framing system assembly shall be by the
manufacturer.
b. Exterior panel faces shall be [crystal] [white] [_____] in
color. Interior panel faces shall be [crystal] [white] [_____] in
color.
c. Air infiltration at 300 Pa 6.24 psf shall be less than [0.5]
[_____] L/s/m2 [0.1] [_____] cfm/ft2 in accordance with ASTM E 283.
d. Water penetration at test pressure of 73 kg/m2 15 psf shall be
zero in accordance with ASTM E 331.
e. Manufacturer shall be responsible for maximum system
deflection, in accordance with the applicable building code, and
without damage to system performance. Deflection shall be
calculated in accordance with engineering principles.
f. Proper weepage elements shall be incorporated within the
perimeter framework of the glazing system for drainage of any
condensation or water penetration.
g. System shall accommodate movement within the system; movement
between the system and perimeter framing components; dynamic
loading and release of loads; and deflection of supporting
members. This shall be achieved without damage to system or
components, deterioration of weather seals and fenestration
properties specified.
h. The exterior panel face shall repel an impact of 81 N-m 60
foot-pounds without fracture or tear when impacted by a 89 mm
diameter, 2.9 kg 3.5 inch diameter, 6.37 pound free falling ball.
Impact strength shall be measured by the Society of Plastics
Industries (SPI) method.
i. Exposed aluminum color shall be selected from the
manufacturer's standard range. Corrosion resistant finish shall
be [oven dried Kynar 500, two coats] [baked-on enamel coating]
[oven dried acrylic-urethane coating] [anodized finish complying
with AA STFA-601711, in accordance with AAMA 2605].
j. The system shall require no scheduled recoating to maintain
its performance or for UV resistance.
k.
Design criteria shall be: Wind Load [_____]; snow load [_____].
l. Extruded aluminum shall be 6063-T6 and 6063-T5; all fasteners
shall be stainless steel or cadmium plated steel.
2.5.1
Glass Glazed Skylights and Roof Windows
Roof window shall be of the following type:
a.
Fixed skylight featuring a select wood frame, mortise and tenon
SECTION 08600
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