NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 44/N.Y. EXPOSITION & CONVENTION CENTER SANITARY HOUSE CONNECTIONS & STORM CONNECTIONS
Document / 18 pages

PVC drainage connection approval memo, Apr 1985

Machine-extracted title · confidence 95%

Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.

NYC-WTC_000165038–000165055

Folder label: “N.Y. EXPOSITION & CONVENTION CENTER SANITARY HOUSE CONNECTIONS & STORM CONNECTIONS

Page image
Scanned page image, NYC-WTC_000165039
OCR text

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 0 Soil, type - pipe bedding material k , tz^ Class III. GM, GC, SM, SC 3.- Superload: ■ 600- Ib/sq. f t ■ l-fHH

.Equivalent height hO = 600 Ib/sq ft = 5.0 ft 120 Ib/cu.ft 4. Pipe cover - see sketch Q

Min. hl = 3.66 ft Max. hl = 6.71 ft 5. -Vertical load on rHastic pipe (prism load)• W = Wc X H-+ Be Ib/ft H = 6.71 + 5.0 11.71- 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:

DI X K X P X. 100 D 0.149 F + 0.061 El △Y '■ f D2 = lag factor Ref. B, table 26 K = bedding factor It

- El = soil stiffness tl

= pipe stiffness Ref. A . ' ■ -

Ch A

NYC-WTC_000165039

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000165039Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Page similarity is temporarily unavailable or this page has no indexed vector.

Others also read

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_000165030 · Box DEP Box 44

Fragmented document text related to sanitary house and storm connections for the New York Exposition and Convention Center.

Filed in the same folder

NYC-WTC_000165031 · Box DEP Box 44

Fragmented document text related to sanitary house and storm connections for the New York Exposition and Convention Center.

Filed in the same folder

NYC-WTC_000165033 · Box DEP Box 44

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

Compare copies and versions →