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7510 Guide Specifications:
Asphalt, Gravel Surfaced, Built-Up Roof System
G. Substitution
1. When a particular make or trade name is
specified, it shall indicate the standard required.
Bidders proposing substitutions shall submit the
following ten (10) days prior to bid date to owner
(architect):
a. Written application with explanation of
why substitution should be considered.
b. Manufacturer’s literature and
samples of requested substitutions.
c. Three (3) job references available for
inspection within fifty (50) miles (80.5
km) of owner/architect where substitutes
were used under similar conditions.
2. Only substitutes approved in writing by
owner/architect prior to scheduled bid date will be
considered.
H. Quality Assurance
1. Manufacturer: Company specializing in
manufacturing the products specified in this section,
with minimum 10 years experience.
2. Applicator: Company specializing in applying
bituminous roofing, with minimum 5 years
documented experience and approved by materials
manufacturer.
3. Work of this section to conform to manufacturer’s
instructions and NRCA Roofing and Waterproofing
Manual.
I. Regulatory Requirements
1. Fire Hazard Classification: UL (Underwriters
Laboratories) Class [A] [B] [C].
2. FM (Factory Mutual Research Corporation)
[1A-60] [1A-90] [1B-60] [1B-90].
J. Pre-Installation Conference
1. Convene a pre-installation conference one week
prior to commencing work of this section, under
provisions of Section [01200.] [01220.]
2. Review installation procedures and coordination
required with related work.
K. Delivery, Storage and Handling
1. Deliver products to site under provisions of
Section [01600.] [01610.]
2. Store and protect products under provisions of
Section [01600.] [01620.] and in accordance with
manufacturer’s instructions.
3. Deliver products in manufacturer’s original
containers, dry, undamaged, with seals and labels
intact.
4. Store products in weather-protected environment,
clear of ground and moisture. [Protect foam
insulation from direct sunlight exposure.]
5. Stand roll materials on end.
L. Environmental Requirements
1. Do not apply roofing system during inclement
weather.
2. Do not apply roofing system to damp or frozen
deck surface.
M. Sequencing and Scheduling
1. Coordinate work under provisions of Section
[01005.] [01040.] [01041.]
2. Coordinate the work of installing associated metal
flashings as the work of this section proceeds.
N. Warranty
1. Provide two-year workmanship warranty under
provisions of Section [01700.] [01740.]
O. Manufacturer’s Guarantee
1. Provide a manufacturer‘s guarantee
covering both material and
workmanship. Roof Guarantee shall be
for a period of [5] [10] [15] [20] years and
shall [have a limited penal sum of $100]
[be an NDL guarantee and have a No
Dollar Limit penal sum].
