Flushing Library Contract eBook

Division 01 - DDC STANDARD GENERAL CONDITION SINGLE CONTRACT PROJECTS Issue Date June 01, 2013 Revised - January 15, 2015

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required services, as directed by the Commissioner, the Contractor shall turn such equipment over to the City of New York.

E.

HEAD PROTECTION (HARD HATS): 1.

The Contractor shall provide a minimum of 10 standard protective helmets for the exclusive use of Department of Design and Construction personnel and their visitors. Helmets shall be turned over to the Resident Engineer and kept in the DDC Field Office. 2. Upon completion of the project, the helmets shall become the property of the Contractor.

3.9 MATERIAL SHEDS: A.

Material sheds used by the Contractor for the storage of its materials shall be kept at locations which will not interfere at any time with the progress of any part of the work or with visibility of traffic control devices. B. Store combustible materials apart from the facility. 3.10 TEMPORARY ENCLOSURES: A. Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weather tight enclosure for building exterior. B. Where heating or cooling is needed and permanent enclosure is not complete, insulate temporary enclosures. 3.11 TEMPORARY PARTITIONS: A. Provide floor-to-ceiling dustproof partitions to limit dust and dirt migration and to separate occupied tenant areas from fumes and noise. 1. Construct dustproof partitions with gypsum wallboard with joints taped on occupied side, and fire- retardant plywood on construction operations side. 2. Construct dustproof partitions with 2 layers of 3-mil (0.07-mm) polyethylene sheet on each side. Cover floor with 2 layers of 3-mil (0.07-mm) polyethylene sheet, extending sheets 18 inches (460 mm) up the sidewalls. Overlap and tape full length of joints. Cover floor with fire-retardant plywood. a. Construct vestibule and airlock at each entrance through temporary partition with not less than 48 inches (1219 mm) between doors. Maintain water-dampened foot mats in vestibule.

3. Insulate partitions to provide noise protection to occupied areas. 4. Seal joints and perimeter. Equip partitions with dustproof doors and security locks. 5. Protect air-handling equipment. 6. Weather strip openings. 7. Provide walk-off mats at each entrance through temporary partition.

3.12 TEMPORARY FIRE PROTECTION: A.

Install and maintain temporary fire-protection facilities of types needed to protect against reasonably predictable and controllable fire losses. Comply with NFPA 241. B. Prohibit smoking in all areas. C. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition according to requirements of authorities having jurisdiction.

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