01 72 00.00 44 Alterations to Existing Facilities.doc

JBSFXXXXXX-XXXXX

JBSF150006

SECTION 01 72 00.00 44

ALTERATIONS TO EXISTING FACILITIES

PART 1

GENERAL

This section covers alterations to existing facilities, complete.

PART 2

PRODUCTS

2.1 Materials Materials and equipment required for repair or alterations of, or additions to, existing facilities are specified in the applicable task order specifications.

PART 3

EXECUTION

3.1 General The Task Order documents indicate the extent and requirements of the alterations and additions to the existing facilities. If any departures from the drawings or specifications are deemed necessary by the Contractor, details of such departures and the reasons therefore shall be submitted as soon as possible to the Contracting Officer for action. No such departures shall be made without prior written approval of the Contracting Officer.

3.1.1 Roads and Public Areas

Roads and other public areas within the work areas shall be kept clean of construction debris at all times.

3.1.2 Protection

During nonworking hours and periods of inclement weather, the Contractor shall cover and secure all exposed openings. Buildings shall not be left overnight without sufficient protection against the elements.

3.1.3 Roofing Work

When work is required on a roof, the Contractor shall protect the existing roof surfaces, including flashings, from damage resulting from roof traffic and work operations. The Contractor shall maintain the roof in a waterproof condition. Where wheeled or foot traffic over the roof is unavoidable, provide and use adequate plank, plywood, or other protection for the roof. Wheeled vehicles shall be mounted on pneumatic-tired wheels, and shall be designed and maintained to operate without damaging the roofing membrane or the insulation or deck underneath. Roof traffic on metal roofs shall be in accordance with the recommendations of the metal roof manufacturer. Do not roll wheeled vehicles over or step on the standing seams of metal roofs.

3.2 Removal

Unless otherwise specified and insofar as is practicable, items and materials shall be removed in a manner inverse to that used in the placing of the items and materials in the structure(s). Care shall be taken during removal operations to prevent any unnecessary damage to the building. Any unnecessary damage to the building(s) resulting from the Contractor's operations shall be repaired at the expense of the Contractor and to the satisfaction of the Contracting Officer. Equipment to be reinstalled shall be reinstalled after work called for under other sections of these specifications has been completed. All items which are to be removed and then reinstalled shall be carefully removed and protected until reinstalled.

3.3 Painting and Finishing

Existing surfaces where items and materials were removed shall be repaired and painted to match the adjoining surfaces. Surfaces remodeled shall be painted to match the adjoining surfaces. All new surfaces where specified or required to be painted shall be painted. Existing painted surfaces which are damaged by work under this contract shall be repaired to original condition and then repainted with one coat of paint to match adjacent surfaces. Where an existing painted wall or ceiling has been repaired or patched with new materials, the entire wall or ceiling containing the repaired portion shall be repainted as follows: The repaired portion shall be painted to effect complete hiding and to blend with the adjacent surfaces, and then the entire wall or ceiling given one coat of paint. The finished surfaces shall be free from runs, drops, ridges, waves, laps, brush marks, and variations of color, texture, and finish.

3.4 Alterations

Alterations to the structure(s) shall be in accordance with the arrangement indicated on the contract documents and as approved by the Contracting Officer. All alterations shall be performed by workmen skilled in the work and in accordance with the best standard practices of the trades involved. All work shall be performed in accordance with the requirements for new work as specified under the applicable sections of these specifications.

3.5 Disposal

Rubbish and debris shall be removed from Government property daily, unless otherwise directed, to avoid accumulation at the site. Materials that cannot be removed daily shall be stored in areas specified by the Contracting Officer. Concrete, masonry, and other noncombustible material, and combustible material, shall be disposed of off the site unless otherwise specified. Remove and transport debris in a manner that prevents spillage on streets or adjacent areas. Local regulations regarding hauling and disposal shall apply.

3.6 Clean Up

Upon completion of the work all staging, scaffolding, and containers shall be removed from the site or destroyed as approved. Paint spots, oil or stains upon surfaces shall be removed and the entire job left clean and acceptable to the Contracting Officer. See Section 01 78 00 CLOSEOUT SUBMITTALS for additional requirements.

END OF SECTION 01 72 00.00 44

01 72 00.00 44 – ALTERATIONS TO EXISTING FACILITIES