US EPA Region 2 letter dated November 15, 2005, confirming completion of environmental review for abatement plans at 133-135 Greenwich Street.
NYC-WTC_000134132–000134414
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NYC 9/11 Public Portal Document
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August 3, 2005
Mr. Chris 1'Alimonte New York City Departincnt of Education Division of School Facilities 44-36 Vernon Boulevard Long Island City, NY :11101
Re: . 90 & 100 Trinity Place (HS of Economics & Finance) Possible Air Infiltration from the Decontamination & Destruction of 133-135 Greenwich Street and 21-23 IiiImes Street
Dear Mr. D'Alimonte:
A thorough inspection of the subject structures and the adjacent structures has been conducted t,n .l t! I` c,. .`2005. Communicating openings, air intakes, and other potential pathways of contamination have l Itv-u identified for inclusion in the decontamination design. Facility managers for the adjacent stRicturc, l l,ivl• been contacted so that engineering controls may be implemented to protect occupants. Of parti\ ui:u concern are air intakes of the school building directly to the east of the project site. These concerns ia\ been addressed cooperatively with the Department of Education.
The Copper Group's Asbestos Contractor will apply a hard barrier (plywood) over the existing 7`' floot fresh air intake louver on the West side of 100 Trinity, anchor it to the masonry, and then apply two of 6-mil polyethylene sheeting over the hard barrier. Since the fresh air intake louver will be cu\ ere\i, three (3) windows, in areas not occupied by students, on the 8`I' floor (i.t. kitchen), will be opcuLd tO allow fresh air to penetrate the S`t' floor. The air from the opened windows on the 8`" floor Will eu titrtl I dropped ceiling which is the return air plenum for the 7`" floor MLR with ducts that lead directly to rile two (2) units. This will supply adequate make-up fresh air to the two units.
The Copper Group's Mechanical Contractor will blank off the two fresh air intake ducts attached to th,; fresh air intake louver (approximately 12" x 6" each) on the 6`" floor (Exterior Fresh \ir L.ouv Li , n Thames Street is inaccessible) of 90 Trinity. It is the understanding that the IlVAC unit in ilurstiutl 11 nhlt in operation (has not been in operation for at least three years), and will not be put back into uper;ltion Therefore, no make air is required. The Copper Group's Mechanical Contractor will also pros!\l, ,t temporary extension to the fresh air intake duct (100 Trinity) and extend it towards Cedar Street uv r lllI. Auditorium Roof.
3f you have any questions or require further clarification, please do not hesitate to contact me.
Sincerely, Airtek Environmental Corp.
/ ` .r Michael Porter, 'Senior Project Manager C:c: :: Chanan Rozenbaum, The Copper Group 05-0701
ENVIRONMENTAL CONSULTANTS
NYC-WTC 000134218
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Health and safety plan for Phase I deconstruction at 133-135 Greenwich Street and 21-23 Thames Street dated June 8, 2005.
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NYC DEP Asbestos Project Notification form for abatement activities at a facility in the Phase 1 Decontamination Plan binder.
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Asbestos inspection report notification form submitted to NYC DEP for 102-104 Greenwich Street.
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List of site identifiers including block, lot, and BIN numbers associated with the 22 Thames Street location.
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NYC DEP Asbestos Project Notification form for abatement activities at a facility in the Phase 1 Decontamination Plan binder.
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