Memo approving proposed PVC drainage connections from the New York Exposition and Convention Center to the city storm sewer.
NYC-WTC_000165035–000165037Folder label: “N.Y. EXPOSITION & CONVENTION CENTER SANITARY HOUSE CONNECTIONS & STORM CONNECTIONS”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
March 6, 1985 Syska & Hennessy
New York Convention Center Storm Sewer
References: A. Perma-Loc - PVC Sewer/Drain Pipe - Johns-Manville
B. Handbook of PVC Pipe - Design & Construction 1. Pipe: 24 in. Perma-Loc Series 46 2. Soil: Wc = 120 Ib/cu. ft
Soil type - pipe bedding material'
A - Clas-s III, GM/ GC, SM,.SC _ 3^-, ■ i superioad:-’; 6Wib/sq/ft'; ' '■ ' .
■ ’ . ^Equivalent height 'ho = 6£02_lb/s£;_^ ■= 5.0 ff - 120 Ib/cu.tt ■ 4'. Pipe, cover - see sketch
.Min. hl =3.66 -ft. Max. hl' = '6.71-ft
5.~ -Vertical_load on plastic pipe (prism load) W ='Wc X H-+ Be Ib/ft ' , ” .
H =-\6,71 + 5.0 = l-1.71--ft, say 12.0 ft . W -=• ’ 3067_ Ib/ft'- ■See_ _Ref. A table on page 4 -■ ' _ . - Soil pressure P = Wc x H = 120 X 12 = 1440’ Ib/ft = 10 Ib/sq in.
6. Pipe deflection - modified "IDWA Deflection Formula" - Ref. B, page 144, Equation No. 25:
- DX X K X P- X 100 I D 0.149 F 4- 0.061 El I AY -
D2 = lag factor Ref. B, table 26 ' K = bedding factor It
. El =soii stiffness 11
* F = pipe stiffness Ref. A - ■ - TTy - -
NYC-WTC_000165037
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000165033
Inter-departmental memorandum requesting hydraulic review of a sanitary house connection drawing for the New York Exposition and Convention Center.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.930
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165536
March 15, 1982 DEP letter providing engineering requirements for a telephone manhole load above the proposed 13-inch sewer line.
1 shared topics · Same agency, volume and box · similarity 0.925
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165389
Correspondence addressing departmental comments on the 60 percent design submission for the tunnel project.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165844
Department of Environmental Protection review comments on 30% plan drawings requesting key plans, legends, and distance measurements.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.920
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165599
Letter from Port Authority enclosing five copies of a revised utility relocation plan for the Dey Street underpass project.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.919
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165377
Letter from DEP Bureau of Sewers regarding unreviseed drawings and as-built records for the tunnel project.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.918
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165078
Department of Environmental Protection letter dated May 28, 1982, providing comments on submitted plans for relocating river water intake lines at the World Trade Center.
1 shared topics · Same agency, volume and box · similarity 0.918
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165084
Official letter from the Department of Environmental Protection responding to submitted plans for relocating river water intake lines.
1 shared topics · Same agency, volume and box · similarity 0.917
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165837
Inter-departmental memorandum requesting hydraulic analysis to verify proposed sewer capacity matches existing brick egg-shaped sewer.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.917
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165081
Department of Environmental Protection letter dated May 28, 1982, providing comments on plans for relocating river water intake lines at the World Trade Center.
1 shared topics · Same agency, volume and box · similarity 0.917
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165087
Department of Environmental Protection letter dated May 28, 1982, providing comments on plans for relocating river water intake lines at the World Trade Center.
1 shared topics · Same agency, volume and box · similarity 0.916
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165058
Letter submitting drawings for a low-level gravity house connection from the New York Exposition Center to the city interceptor in January 1984.
2 shared non-person entities · 1 shared topics · similarity 0.938
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000165038
Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165038
Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.
Similarity score 0.945 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165038
Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.
Similarity score 0.936 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165038
Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.
Similarity score 0.930 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165377
Letter from DEP Bureau of Sewers regarding unreviseed drawings and as-built records for the tunnel project.
Similarity score 0.929 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165853
Contract notes specifying requirements for maintaining existing connections and restoring manholes during tunnel construction.
Similarity score 0.929 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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.
Fragmented document text related to sanitary house and storm connections for the New York Exposition and Convention Center.
Filed in the same folder
Fragmented document text related to sanitary house and storm connections for the New York Exposition and Convention Center.
Filed in the same folder
Inter-departmental memorandum requesting hydraulic review of a sanitary house connection drawing for the New York Exposition and Convention Center.
Filed in the same folder
NYC-WTC_000165038
Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.
Filed in the same folder
NYC-WTC_000165056
Transmittal of engineering drawings for a low-level gravity house connection from the New York Exposition to the city interceptor.
Filed in the same folder