Correspondence detailing mandatory protective measures for Kemperol membrane before pouring new concrete curbs.
NYC-WTC_000171438–000171441Folder label: “OEM Radio Equipment Room 7 World Trade Center, NY, NY”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
JAN 28 ’99 12=11 PR AMBASSADOR CONSTR. C0212 949 9762 TO 6693640 P.06/08 __________ JWHDl HAYDEN CONlteLL @003/005
Mr. Juan M. Mejia, AIA September 12,1998 Re: OEM Radio Equipment Room 7 World Trade Center, NY, NY Page 2 of 2
fully evaporate, apply Kemperol primer over the in-place membrane and allow the primer to cure tor a minimum of twelve (12) hours. After the primer has cured, the new Kemperol membrane flashing may be applied. Once iha membrane cures, the new membrane may be surfaced with sand aggregate to match the existing membrane.
I hope this information will be of assistance. Should you have any further questions, please feel free to call.
Sincerely, Kemper System, Inc.
David R. Waldron Technical Manager
Cc: Steve Cortazzo, KSI Mike Doran, KSI Piotr Zych, KSI Walter J. Weems, Silverstein DRW/mvhni1298W0
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NYC-WTC_000171439
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NYC-WTC_000171835
Letter specifying protective measures for existing Kemperol membrane before pouring new concrete curbs at the Office of Emergency Management.
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Protocol document outlining air sampling and monitoring procedures for 130 Cedar Street.
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Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000171835
Letter specifying protective measures for existing Kemperol membrane before pouring new concrete curbs at the Office of Emergency Management.
Filed in the same folder
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Protocol document outlining air sampling and monitoring procedures for 130 Cedar Street.
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NYC-WTC_000143354
Fragmented text containing only a reference number and unreadable characters from the DEP Box 06 collection.
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