EPA letter to DEP regarding visual assessments of building exteriors for debris in January and February 2002.
NYC-WTC_000151612–000151617Folder label: “WTC DC TO RC LETTERS CALLEHAN WHITMAN ETC. WARD DOCTOROFF KENNY”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
NEW YORK CITY DEPARTMENT OF ENVIRONMENTAL PROTECTION
I COST ESTIMATE |
Total Number of Buildings 200+ 50* = 250
CLEAN UP COST -ROOF
Estimated area % of buildings Number of Cleanup Total of contamination buildings buildings Cost/ sq.ft Cost 10,000 sq.ft 10% 25 $3 $750,000 5,000 sq.ft 20% 50 $4 $1,000,000 1000-5000 sq.ft . 70% 175 <!8 $3,500,000 (Avg .2500 sq.ft) $5,250,000
AIR MONITORING COST
No. of man-hour days = 400 Total man-hours = 400x8 = 3,200 Cost for air monitoring tech. $35 / hr Total cost for man-hours = $112,000
TEM analysis cost = $35 / sample No. of samples = 1,250 (Five samples at each site)
Total cost for TEM analysis = 35 x 1,250 = $43,750
Total cost for sampling = $155,750 & analysis
FACADE Costs are difficult to estimate because of the equipment cost which depends on the height of the building. Approximate cost = $3,000,000
TOTAL PROJECT COST $ 5,405,750+ 3,000,000+ $ 2,000,000** = $10,405,750
* Estimate of dirty roofs based on our plan to expand Zone 1 and Zone 2 ** Contingency
NYC-WTC_000151617
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000151401
A letter summarizing visual assessments of outdoor clean-ups and debris presence on buildings near the World Trade Center site.
8 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150839
Report on DEP and EPA visual assessments of debris on building exteriors in January and February 2002.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150846
Application form detailing cost estimates for asphalt and gravel roof clean-up per square foot.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150987
Contract excerpt defining regulatory compliance requirements and describing visual assessments of debris on building exteriors near the World Trade Center.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163676
EPA communication to federal and NYC agencies regarding post-9/11 environmental response.
6 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164936
Corrected contract addendum addressing errors in prior documentation updates.
5 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163668
DOH inquiry to DEP about EPA scope of work document and required addendum regarding ACM presumption language.
6 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000143163
Application document outlining scope of work for building exterior cleanup in compliance with federal and state environmental regulations.
5 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164949
Contract documentation with addendum defining scope of work for environmental assessment.
5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164311
Internal departmental communication regarding review of delineated areas, bid sheets, and draft contract document for WTC-related work.
5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000151401
A letter summarizing visual assessments of outdoor clean-ups and debris presence on buildings near the World Trade Center site.
Similarity score 1.000 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150835
List of Manhattan buildings with details on air sampling results and clean-up activities.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150839
Report on DEP and EPA visual assessments of debris on building exteriors in January and February 2002.
Similarity score 0.984 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150926
Memo submitting draft scopes of work and cost estimates for rooftop and facade remediation, plus a letter draft for FEMA regarding air monitoring.
Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150978
Contract excerpt defining regulatory compliance requirements and describing visual assessments of debris on building exteriors near the World Trade Center.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000150864
Cost analysis for air monitoring technicians and sample analysis during World Trade Center exterior inspections.
Similarity score 0.972 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
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_000151341
Administrative notice requiring preservation of original World Trade Center documents as evidence for potential future legal proceedings.
Filed in the same folder
NYC-WTC_000151342
Letter reporting DEP air monitoring results for particulate and fiber at a specific agency office showing levels below detection.
Filed in the same folder
NYC-WTC_000151345
A memorandum outlining required procedures for building owners to follow when cleaning up debris and dust affected by the WTC attack.
Filed in the same folder
NYC-WTC_000151348
A memorandum outlining required procedures for building owners to follow when cleaning up debris and dust affected by the WTC attack.
Filed in the same folder
NYC-WTC_000151350
A DEP letter describing joint agency efforts to sample air, dust, and water in Lower Manhattan following the September 11 attacks.
Filed in the same folder