Asbestos abatement technical specifications, 130 Cedar Street, July 2004

NYC 9/11 Public Portal Document

Asbestos Abatement Technical Specifications For 130 Cedar Street, New York, NY

SECTION SEVEN: METHODS OF REMOVAL

1.0 Materials and Equipment

1.1 All materials subject to damage shall be stored off of the ground, away from wet or damp surfaces, and under a protective cover to prevent damage or contamination. Replacement materials shall be stored outside the work area until abatement is completed.

1.2 Damaged or deteriorated materials shall not be used and shall be removed from the premises.

1.3 When ACM that has been used for fireproofing or insulation is removed, equivalent protection shall be provided with non-ACM in conformity with all applicable NYC codes.

1.4 Fire retardant polyethylene sheeting or spray-plastics of 6-mil thickness or greater, in sizes to minimize the frequency of joints, shall be employed for containment.

1.5 Duct tape or equivalent shall be capable of sealing joints of adjacent sheets of plastic, facilitating attachment of polyethylene to finished or unfinished surfaces of dissimilar materials, and adhering under both dry and wet conditions, including during the use of amended water.

1.6 Spray adhesives capable of providing additional sealing of joints and facilitating the attachment of polyethylene to finished or unfinished surfaces shall be used where needed. Adhesives shall be capable of adhering under both dry and wet conditions, including during the use of amended water.

1.7 The encapsulant utilized shall be EPA approved and be of the penetrating type. The encapsulant shall be sprayed on by means of an airless sprayer and shall be compatible with the Owner's new non-asbestos fireproofing.

1.8 The surfactant shall be a product that is non-toxic, non-carcinogenic and non- irritating to the eyes, respiratory system and skin.

1.9 Airtight and watertight containers shall be provided to receive and retain any asbestos-containing or contaminated materials for storage until disposal at a disposal site. The containers shall be labeled in accordance with OSHA Regulations 29 CFR 1926.58. Plastic bags used for waste storage or disposal shall be 6-mil in thickness minimum and be marked with danger labels in accordance with OSHA Regulation 29 CFR 1926.58 k (2).

1.10 Adequate HEPA filter equipped ventilation units, including HEPA filter replacements, shall be provided by the contractor.

• 1.11 The contractor shall provide tools, respirators, and filter replacements necessary.

Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 37

NYC-WTC 000125615