Asbestos removal variance correspondence, 130 Cedar Street, Jan 2005

NYC 9/11 Public Portal Document 01/17/2005 01:42 17325653654 NOVA DEVELOPMENT GRP PAGE 04

• l MO►VAL,INC COAOT HAZ MAT.-' EAST COAST Asbestos Abatement Contractor 494 E. 41 Street, Paterson, NJ 07504 Phone:(973)345.0022 Fait (973) 346-4885

• sewer. The wash room shall be utilized to wash down the single ACM bags,

to the double bags; also workers, after removing their outer disposable suing in the work area, shall proceed to the wash room; the Inner disposable suit shall be removed. and the worker shall shower in the shower room. c1 xnstalla ion Critrcal Barrusrs, of

All vents , skylights, air Intakes, windows and door openings onto the roof, and all other openings will be •sealed with 2 irsyers of 6 mil plastic sheeting. AL fnsta lailon of Foam (Foam - Viscous Agent). Upon completion of the critical barriers sequence, the removal foam, will be applied in this manner water hoses will be connected to the houses water supply. Hoses from the house supply will be Installed onto a • compressor, which will be located on the roof. The connection from the compressor will be installed into the five gallon bucket of foam. Once the water is turn on, the compressor will mix the product into an effective foam; this foam shall be applied to flashing and the membrane glad the removal process will

begin, e. Removal of Roofing F&rhlngflfarMaterial All roofing/flashing to be removed by manuals tool; no power tools will be usbd unless equipped with REPA exhaust system. As the material Is removed In manageable pieces, these pieces will be put into a single disposablc bag, and scaled using water resistant tape. The membrane shall be foamed and cut using • a roof cutter equipped with a JHEPA exhaust system or with manual tools. f. Clean Up, As removal is continuing, all areas shall be HEPA vacuumed and misted down using amended water, to • ensure no loose debris Is present. g. Storage Of Single Rap On The Rorif_ A drop cloth consisting of two layers of 6 mll fire retardant polyethylene sheeting shall be Installed on the roof. As the disposable bags are-fill led and closed using water resistant tape, the bags will then be duet

placed on the drop until the bags out sequence begins (prior to the end of each shift), cloth

h. Bag.0w Sequence Prior to the completion of each shift, the single disposable bag will be brought over to the remote decontamination unit (wash room), where the bags shall be wetted down and placed Into an additional 6 mil disposable bag. The second disposable will be secured with water resistant duct tape, labeled and brought down to the waste container by means of a hoist, the put into the waste container for storage until the completion of work. S. Tear dowry. Upon completion of each work area and acceptable visual clearance; all critical barriers will be removed and disposed of as ACM and shall follow the same bag out sequence as.mentioned. above.

TL Work Areas Exterior Building Facade

Exterior Exterior Facade j Windows Cs In , 3300$1?'_ Variance EC & FR Exterior Exterior Facade Windows Lintel Caulklngj, 500 SF I Variance EC & FR ____ __ Total • 3800 SF

Abatement of Window/Lintel Caulking (3,800 eq. ft.) We shall comply With attachment EC and R. We ami requesting a variance from the following subsectlone:

000125721 NYC-WTC