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