of roof construction.
Use rubber-tired equipment for roofing work.
3.4
FIELD QUALITY CONTROL
3.4.1
Construction Monitoring
During progress of the roof work, Contractor shall make visual inspections
as necessary to ensure compliance with specified parameters. Additionally,
verify the following:
a. Equipment is in working order.
Metering devices are accurate.
b. Materials are not installed in adverse weather conditions.
c. Substrates are in acceptable condition, in compliance with
specification, prior to application of subsequent materials.
Nailers and blocking are provided where and as needed.
Insulation substrate is smooth, properly secured to its substrate,
and without excessive gaps prior to membrane application.
The proper number, type, and spacing of fasteners are installed.
Materials comply with the specified requirements.
All materials are properly stored, handled and protected from
moisture or other damages. Liquid components are properly mixed
prior to application.
Membrane is allowed to relax prior to seaming. Adhesives are
applied uniformly to both mating surfaces and checked for proper
set prior to bonding mating materials. Mechanical attachments are
spaced as required[, including additional fastening of membrane in
corner and perimeter areas as required.]
Membrane is properly overlapped.
Membrane seaming is as specified and seams are hand rolled to
ensure full adhesion and bond width. [In-seam sealant is applied
when adhesive seams are used in the field of the roof.] All seams
are checked at the end of each work day.
Applied membrane is inspected and repaired as necessary prior to
ballast installation.
[
Membrane is fully adhered without ridges, wrinkles, kinks,
fishmouths.]
Installer adheres to specified and detailed application parameters.
Associated flashings and sheet metal are installed in a timely
manner in accord with the specified requirements.
Ballast is within the specified weight range.
Temporary protection measures are in place at the end of each work
shift.
SECTION 07530
Page 29
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