Attachment_01_Specifications_-_Placerville_Roof_Repairs.docx

Specifications Roof Repair Placerville DO Aspen Bldg 2021 Jun 28, 2018

SECTION 061063 EXTERIOR ROUGH CARPENTRY

PART 1. GENERAL:

1.01 SCOPE: The section includes as needed carpentry work associated with roof deck repairs and water damage repairs at one office at the Placerville DO Aspen building.

1.02 MEASUREMENT AND PAYMENT: Work described in this section is included all pay items.

PART 2. PRODUCTS: N/A

PART 3. EXECUTION :

A. Replace all rotten or damaged plywood roof sheathing associated with Aspen building roof replacement with in kind.

B. Replace all rotten or damaged members of the office wall and ceiling.

SECTION 075400 THERMOPLASTIC MEMBRANE ROOFING

PART 1. GENERAL

1.01 SCOPE: The work includes removing existing roofing materials and installing a PVC membrane system associated with the Placerville District Office Aspen building #2021.

1.02 MEASUREMENT AND PAYMENT: Work described in this section is included in pay item #1 Flat Roof Replacement on Aspen Modular #2021.

1.03 WARRANTY: Contractor shall provide a 2 year labor warranty, and a 25 year manufacturer’s product warranty.

PART 2. PRODUCTS

2.01 Roofing membrane: IB 80 mil white PVC/CPA.

2.02 Thermal Barrier: Densdeck or approved equivalent.

PART 3. EXECUTION

3.01 Demolition/Cleanup: Remove and properly dispose of existing metal roofing, along with any construction debris, off Forest Service land.

3.02 Installation:

A. Provide a leak tight class A fire rated roofing system.

B. Install one layer of 1” polyiso foam insulation.

C. Install one layer of ¼” Densdeck or approved equivalent D. Install one layer IB 80 mil white PVC/CPA membrane roofing or approved equivalent, installation must be done according to manufacturer’s specifications and installation instructions.

E. Mechanically fasten all materials with screws and plates.

F. Weld membrane to clad metal edge, paint metal edge to match existing building color.

SECTION 077123 MANUFACTURED GUTTERS AND DOWNSPOUTS

PART 1. GENERAL

1.01 SCOPE: Replace all gutters and downspouts associated with Aspen modular buildings. Mach color as close as possible to existing building color or paint gutters and downspouts to match existing building color.

1.02 MEASUREMENT AND PAYMENT: Work described in this section is included in all pay items.

1.03 SUBMITTALS: Provide product specifications.

PART 2. PRODUCTS

2.01 GUTTERS: Gutters shall be seamless. Expansion joint required for spans over 60 LF.

PART 3. EXECUTION