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Gravity house connection drawing submission, Jan 1984

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Letter submitting drawings for a low-level gravity house connection from the New York Exposition Center to the city interceptor in January 1984.

NYC-WTC_000165058–000165063

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

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NYC 9/11 Public Portal Document

231.030

October 24, 19S0

Syska & Hennessy, Inc. Eng’rs. 11 W. 42nd Street Ras Nev; York Convention Canter Hew York, N.Y. 10036 34th to 39th Streets and 11th to 12th Avenues Borough of Manhattan Att: Mr. Joseph Postiglione, P.E.

Gentlemen: This is in reference to your submission of SD 1&2 forms with plans received in this office on' September 19, 1930 requesting house connection drains for ths above mentioned location. Please be advised that a proposed storm, server for 12th revenue botv/een 34th and 39th Streets, to which several storm house connection drains are proposed, is presently under design by our Sower Design Division. In the hydraulic design of this sewsr, have accounted for all the proposed storm discharge from ths site, but no storm house connections can be permitted until said sewer is built and accepted. f..

The following are our requirements for the ri ^rgee: Ths allowable sanitary flow from the sits into ths existing 4’-0*’ x 2'-8" combined sewer in 12th Avenue ia 2.0 c.f.s.. Ths allowable sanitary flow from the sits into t>is axiating 4*-0" 2’-8'’ combined sewer in 39th Street is 0.19 c.f.s.. Kindly note that flows from the proposed house connections must enter the sewers by gravity alone. Any additional-questions you might have in reference to this matter, ! t kindly contact: Kr. Philip Powerstein at tel. 566-3515. Very truly yours.

cc: DiMartino Novotny Flaherty P RD DSRICK NOVOTNY, P.E . , CHIE P Long Division of Sowar Regulation and Control Powerstein nursau of r.«wer.s Uriko Sirico I-lAS/th

NYC-WTC_000165063

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NYC-WTC_000165063Source: NYC Law Department, mirrored locally

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NYC-WTC_000165102

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1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.949

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Inter-departmental memorandum requesting hydraulic review of a sanitary house connection drawing for the New York Exposition and Convention Center.

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