Air sampling protocol document, 130 Cedar Street, Jan 2005

NYC 9/11 Public Portal Document

130 Cedar Street July 15, 2004 Selective Demolition and Façade Restoration Koenen Associates

G. When the permanent air circulation system, or a suitable portion thereof, is in operating • condition, It may be used without refrigeration or chilling, provided that the Contractor (1) obtains approval from the Architect, (2) assumes full responsibility for the system which he Is using, and (3) pays costs for power, operation, maintenance, and restoration of the system. Provide temporary filters to adequately filter air being distributed through the duct work to the supply outlets; disposable filters shall be placed in front of all exhaust registers to keep construction dirt out of exhaust duct work. The Contractor shall thoroughly clean the interior of the air handling units and duct work prior to acceptance of the work.

H. Upon conclusion of the temporary heating period, remove all temporary piping, temporary heating units, or other equipment and pay all costs in connection with repairing any damage caused by the installation or removal of temporary heating equipment. Thoroughly clean and recondition those parts of permanent heating and air circulation systems used for temporary service.

2.09 TEMPORARY LIGHT AND POWER

A. Contractor may use existing electrical service; provide power distribution as required throughout structure. The terminations of power distribution shall be at convenient locations in the building. Terminations shall be provided for each voltage supply complete with circuit breakers, disconnect switches, and other electrical devices as required to protect the power supply system.

Contractor shall meter electric service and pay for all charges of power consumed.

B. A temporary lighting system shall be furnished, installed, and maintained as required to satisfy minimum requirements of safety and security. The temporary lighting system shall afford general illumination in all building areas and shall supply not less than 1 watt per sq. ft. of floor area for illumination in the areas of the building where work is being performed.

D. All temporary equipment and wiring for power and lighting shall be in accordance with the applicable provisions of the governing codes. All temporary wiring shall be maintained in a safe manner and used so as not to constitute a hazard to persons or property.

E. When the permanent electrical power and lighting systems are in operating condition, they may be used for temporary power and lighting for construction purposed, provided that the Contractor (1) obtains the approval of the Architect, (2) assumes full responsibility for the entire power and lighting system, and (3) pays costs for power, operations, maintenance, and restoration of the system.

2.10 TEMPORARY ACCESS TO SITE

A. Construct and maintain in good usable condition all required temporary access to site, and, when no longer required, remove all temporary construction and restore the site.

B. Where streets now in use are within or adjacent to the work, keep the passageways of such streets open to vehicular and pedestrian traffic to building fronting thereon. Maintain constant access for police, fire, and ambulance service.

C. Access to the site for delivery of construction material or equipment shall be made only from locations designated by the Owner. Materials shall be brought into the building through sidewalk lift to basement.

Construction Facilities and Temporary Controls 01500-4

NYC-WTC 000125133