Clinch_Admin_Demo_Technical_Specs.doc

Building Demolition

George Washington & Jefferson National Forests

Clinch Ranger District

TECHNICAL SPECIFICATIONS

GENERAL REQUIREMENTS

Site Visit

It is highly recommended that the Contractor visit the work site to verify all dimensions and thoroughly familiarize him/herself with existing conditions prior to submission of bid.

Applicable Codes

All work in this contract shall be done in accordance with National Fire Protection Association (NFPA), OSHA-Occupational Safety and Health Act (July 1989 and subsequent updates), ANSI B20.1 1992, 40 CFR EPA (1996) Environmental Protection Agency, and all local safety and fire regulations.

Verification of Dimensions

The Contractor shall be responsible for the coordination and proper relation of their work to the site conditions and will familiarize him/herself with all the details of the work and working conditions. The Contractor shall verify all dimensions in the field, and will advise the Contracting Officer’s Representative (COR) in writing of any discrepancy before performing any work.

Work Schedule

Within 14 days of the Notice to Proceed (and at least five working days prior to the beginning of work), the Contractor shall present for approval, in writing, to the COR, their proposed schedule of work.

Storage Area

Project material shall be stored by the Contractor in suitable areas as designated by the COR. The Government will not assume any responsibility for the security or protection of any materials or equipment stored at the site by the Contractor. The Contractor will be allowed to fence storage areas approved by the COR, and may be required to fence some locations with four foot snow fence is he/she chooses to use them. The fence shall be removed and the area cleaned and repaired to the pre-existing condition prior to completion of the contract.

Utilities Not Shown

If the Contractor encounters, within the construction limits of the entire project, utilities not indicated and not visible as of the date of this contract, and such utilities will interfere with construction operations, then he/she shall immediately notify the COR as to the necessity for removal or relocation. Verbal notification shall be confirmed in writing. Site utilities are as depicted in Exhibit A, Administrative Site Utilities.

Fire Prevention

Cutting or welding will be permitted only in areas that are or have been made fire safe. Where possible, all combustibles shall be located at least 35 feet horizontally from the work site. Where such location is impracticable, combustibles shall be protected with flameproof covers or otherwise shielded with metal guards or curtains. Edges of covers shall be tight to prevent sparks from going under them. This precaution is also important at overlaps where several covers are used to protect a large pile. Other fire protection precautions shall be in accordance with the latest National Fire Codes. The Contractor shall have a type “A” (water) fire extinguisher and an additional worker to watch for hot slag contacting combustible materials during all cutting or welding operations.

Site Cleanliness

The Contractor shall maintain a clean and hazard free work site. Cleanup shall be daily or more often as necessary to maintain a clean and hazard free work site.

DEMOLITION REQUIREMENT

The Contractor is responsible for the demolition and disposal of the building (and communication tower)in its entirety including all mechanical, electrical, roofing, foundation, structural, and finish systems/components, as well as all associated entrances, stairways, handrails, ramps, and loading docks. Rubbish and debris shall be removed from Government property daily, unless otherwise directed, to avoid accumulation at the demolition site. Materials that cannot be removed daily shall be stored in areas specified by the COR. The buildings are depicted on page 5 as structure numbers one and seven.

Submittals The Work Plan: The procedures proposed for the accomplishment of the work. The procedures shall provide for safe conduct of the work, including procedures and methods to provide necessary supports, lateral bracing and shoring when required, and protection of property which is to remain undisturbed, coordination with other work in progress, and timely disconnection of utility services.

Dust Control

The amount of dust resulting from demolition shall be controlled to prevent the spread of dust to occupied portions of the construction site and to avoid creation of safety hazards or nuisance in the surrounding area.

PROTECTION

Protection of Personnel

A. During the demolition work the Contractor shall continuously evaluate the condition of the structure and take necessary measures to protect all personnel working in and around the demolition site.

B. The buildings to be demolished MAY have components coated with lead based paint. The Contractor is responsible for monitoring lead exposure of workers and implementing engineering controls during demolition as necessary to assure that OSHA permissible exposure limits for lead are not exceeded.

C. The building contains asbestos containing materials in the form of:

Ductwork that contains asbestos transite pipe, which is embedded in concrete. The contract requires full removal of this ductwork. The contractor shall follow all state and federal regulations regarding the removal, storage and disposal of asbestos containing materials Protection of Existing Property

The Contractor shall coordinate work of this section with all other work and shall construct and maintain shoring, bracing, and supports as required. The Contractor shall ensure that structural elements are not overloaded and shall be responsible for increasing structural supports or adding new supports as may be required as a result of any cutting, removal, or demolition work preformed under this contract.

Burning

The use of burning will NOT be permitted.

Explosives

The use of explosives will NOT be permitted.

EXECUTION

Utilities

All buildings will have their phone and electric services disconnected by the Government prior to being turned over to the Contractor for demolition. All underground utilities shall be abandoned in place.

Clean Up

Debris and rubbish shall be removed from the building and surrounding construction site daily. Debris shall be removed and transported in a manner that prevents spillage on streets or adjacent areas. All loads shall be covered and any additional local regulations regarding hauling and disposal shall apply.

Disposition of Materials The contractor is responsible for the disposal of all materials and debris associated with the demolition work. Disposal shall be made in accordance with all local and federal disposal regulations in an approved landfill located off the site.

The contractor may salvage, for his or her reuse, any material which is found to be suitable for reuse such as windows, doors, heat pumps, paneling, timbers, etc. This material must be removed from the site prior to demolition.

RESTORATION

All areas disturbed by demolition shall be reshaped using onsite materials, as directed by the COR, to properly drain, with no slope greater than 3:1.

Backfilling and Compaction Backfill shall be in layers not exceeding 12 inches. Each layer shall be compacted to the approximate density of surrounding undisturbed areas. Disturbed areas shall be seeded and straw mulched. Seed mix shall be submitted for approval by the COR.