Emergeceny Roof Replacement Tafuna ATBM, Pago Pago AS.pdf

FEDERAL AVIATION ADMINISTRATION

WESTERN SERVICE AREA

ENGINEERING SERVICES

AWP

S T A T E M E N T O F W O R K

F O R

ROOF RETROFIT

INSTALL HURRICANE TIES ON ROOF TRUSSES

REPLACE STANDING SEAM METAL ROOF

TUT NDB/ATBM/

SOMOA TAFUNA, AMERICAN SAMOA

26 February, 2018

TUT NDB-ATBM ROOF RETROFIT

TUT ATBM - AMERICAN SAMOA ROOF RETROFIT

PROJECT LOCATION:

TAFUNA ATBM

100 Tafuna Road Pago Pago, AS 96799

FACILITY MANAGER:

Smith Lutu FAA Pago Pago SSC Pago Pago International Airport 100 Tafuna Road Pago Pago, AS 96799 684 699 9485 X222 Cell 684 733 3888

FAA ENGINEER:

Dave de Langis FAA AWP Regional Office 15000 Aviation Blvd.

Hawthorne, CA 90250

(310) 725-3495 Office

(310) 956-6030 Cell

SITE CONTACT:

Smith Lutu FAA Pago Pago SSC Pago Pago International Airport 100 Tafuna Road Pago Pago, AS 96799 684 699 9485 X222 Cell 684 733 3888

Bidders/Vendors shall furnish all labors, equipment, tools, services and materials (some materials to be furnished by FAA and identified herein) necessary to accomplish the following Scope of Work; in compliance with this Request and the ASCE/SEI 7-16 Standards for Minimum Design Loads and Associated Criteria:

1.0 SCOPE OF WORK

1.1 General Description

Building was built in 1962 using reinforced concrete walls on slab on grade with wood roof trusses attached to a wood top plate, secured with small sheet metal truss clips. The existing truss clips have corroded to the extent that the roof truss attachments must be retrofitted for hurricane force winds, compliant with the ASCE/SEI 7-16 design criteria.

The roof area to be removed and replaced is limited to TUT ADM roof and eave overhang of approximately 6900 ft2. The roof plywood area to be removed and replaced is limited to that which is necessary to access the exterior wall top plate in order to install the new hurricane ties.

The perimeter of the building fascia and rain gutter measures 414 lf.

Roofing material is standing seam metal to match existing.

Roof underlayment shall be WR Grace Water Shield “HT” self-adhesive roof underlayment or equal.

1.2 Daily Work Scope shall be the maximum area of roof wherein old roof can be removed and protected each day in the event of sudden storm and high winds.

1.3 Selective Demolition: Remove the standing seam sheet metal roof. Cut and remove the plywood and/or 1” x 6” spaced sheathing below the plywood just above the exterior wall as measured from the roof eave perpendicular to the fascia, around the entire perimeter.

Remove all eave fascia, rain gutters and down spouts. Work to be phased as per Item 1.2 above.

1.4 Temporary Protection: Where roof is demolished, provide weather protection at all times to prevent rain water damage in the event of sudden storm.

1.5 Carpentry: At each rafter/truss, install one Simpson DTT2SS Tension Tie with Hilti KB3SS ½” x 6” anchor bolt or equal. Install 2” nominal blocking/bridging at wall perimeter in between each roof truss to support the existing and new sheathing, secured with 16d Box nails. Remove and replace all wood posts below the roof eave. Secure wood post at top and bottom using Simpson APV44 or equal. Upon completion of hardware and blocking installation, install new wood sheathing flush with the existing sheathing and new fascia board to match the original.

1.6 Roofing: Install new roof underlayment and standing seam sheet metal roof. Secure all edges as per manufactures specifications and the attached specifications.

1.7 Rain Gutters: Replace all rain gutters and down spouts using pre-finished Galvanized Aluminum materials.

1.8 Scaffold: Provide scaffold and safety railings for worker safety at all times while working on roof.

1.9 Daily Clean-Up: Provide daily labor for interior and exterior clean-up and protection of work site.

1.10 Paint: Prime and Paint new fascia, eave overhang and wood posts to match existing.

1.11 Stucco: Patch and seal the existing vent screen using cement plaster.

1.12 Final Clean-up: Upon completion of all work, provide site clean-up and disposal of all construction debris. Wash entire exterior of building using pressure washer. Wash all windows inside and out.

2.0 REQUIREMENTS:

The contractor shall verify in the field all dimension conditions, and comply with any and all local construction safety codes including compliance with IBC & NEC requirements.

In addition, electrical work shall comply with requirement of the FAA Electrical Specifications Standard FAA –C-1217e.

The prime and paints shall be from known manufacturer. The color of the paint must be coordinated and approved by the FAA.

3.0 SUBMITTAL WITH BIDS PACKAGE:

Yes.

4.0 EXECUTION OF WORK: The Contractor shall assume full responsibility for the protection and safekeeping of products stored on the site. The Contractor, Contractors employees, and Subcontractors shall maintain the jobsite in a neat and orderly condition at all times, including the daily removal of rubbish, waste and tools, equipment, and materials not required for the work in progress. All persons on site shall maintain safe working conditions and provide adequate protection safeguards for all workers and equipment.

5.0 DELIVERIES OR PERFORMANCE: The Contractor shall be required to (a) Commence work under this contract within fifteen (15) calendar days after the date the Contractor receives the notice to proceed, (b) prosecute the work diligently, and (c) complete the entire work ready for use not later than thirty (30) Calendar days after receipt of notice to proceed. The time stated for completion shall include final cleanup of the premises.

6.0 SECURITY REQUIREMENTS: The job site is located within the Samoa International airport in secure area. The Contractor shall comply with all instructions, rules, security, safety, environmental, health requirements of the Federal, State, local and airport authorities at all time.

7.0 GOVERNMENT FURNISHED MATERIALS

None.

8.0 ATTACHEMENTS

SECTION 06105 - MISCELLANEOUS CARPENTRY

SECTION 07610 - SHEET METAL ROOFING

SECTION 07620 - FLASHING AND SHEET METAL

As-Built Building Plans attached by this reference.

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