Repair Simulator Roof, Bldg. 42, NAS Lemoore, CA

1.3.1 Project Description
The work includes comprehensive roof repair to fix and correct cause of
the leaks at NAS Lemoore building #42-Simulator building at Ops side.
Cover only vertical surfaces of parapet wall. Repair all roof surface
cracks at damaged locations. Replace/Provide damaged/missing metal freeze
edge or metal trim/flashing. Inspect all roof penetrations and properly
fix them. All roof repair work must be completed prior to new waterproof
roofing membrane application, in accordance with new roofing material
manufacturer's specification for the period of specified warranty limit.
Work is to provide built up material by installing a cold spray-on
applied roofing membrane system over entire existing roof, vertical
surface of parapet in accordance with specification and drawings. The work
includes and incidental related work.

1.3.1.1 Inspection and Repair of Roof Damage
a. Verify and diagnose water leak damage on roof surface.
Repair all roof surface cracks, at all deteriorated and damaged locations.
Replace and provide new all damaged/missing metal freeze edge and metal
trim/flashing. verify all existing gutters and downspouts are connected
properly to the existing water drain system.
b. Inspect all roof penetrations; investigate any water leak issues, roof
tie in points, wall tie in to existing roof locations.
c. Ensure that all material to be used to correct deficiency are compatible
with existing roof surfaces.
d. All roof repair work must be completed prior to new waterproof roofing
membrane application, in accordance with new roofing material
manufacturer's specification for the period of specified warranty limit.
e. Work must be to provide new built up material by installing a cold
spray-on applied roofing membrane system over entire existing roof,
vertical surfaces in accordance with specifications and drawings.

1.3.1.2 Application of Water-Proofing Membrane
a. Furnish and install an instant-setting, liquid-applied, roof
restoration system complete in place, as shown on the drawings, and
specified herein, or needed for a complete and proper watertight and
warrantable installation.
(1) Ensure all materials to be used to correct deficiencies is
compatible to cover and adhere to existing roofing surfaces and
parapet.
(2) The following information must be provided with proposal submittal
for area identified for repair. Provide manufacturer's construction
specifications and material application guide. Provide actual sample
showing thickness of each layer of coating and finished surface.
(3) Provide verification that a 20-year warranty is achievable as
specified.
b. Waterproofing materials must be applied to all seams, flashing,
edges, fasteners, penetrations, curbs and defects for a waterproof
roofing, cover only vertical surface of parapet.

1.3.2 Location
The work is located at Naval Air Station Lemoore (NASL), approximately as
indicated on the Contract drawings. The exact location will be shown by
the Construction Manager (CM).

1.4 OCCUPANCY OF PREMISES
Building(s) will be occupied during performance of work under this
Contract.
Before work is started, arrange with the CM a sequence of procedure, means
of access, space for storage of materials and equipment, and use of approaches, corridors, and stairways.
Schedule and perform the work in such a manner as to cause the least
possible interference to the occupants. All life safety requirements must
be operational at areas occupied during the work being performed.

1.6 PROJECT DURATION
120 days after award

Awarded contract N62473-20-D-1105 to CORBARA-MGS JV for 356643.00 on 2024-12-11.