Inter-office memorandum requesting hydraulic review of the proposed siphon in the Westside Connection Project.
NYC-WTC_000165403–000165404Folder label: “North Access Tunnel W. 33rd St. To w. 38TH ST”
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NYC 9/11 Public Portal Document
THE CITY OF NEW YORK DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF SEWERS INTER - OFFICE MEMORANDUM
1
DATE: April 8, 1987
TO: GORDON YEE, P.E., ACTING CHIEF, PRIVATE DRAINAGE REVIEW SECTION
FROM: DOUGLAS SMITH, P.E., ACTING CHIEF, ENGINEERING REVIEW SECTION
SUBJECT: WESTSIDE CONNECTION PROJECT, NORTH ACCESS TUNNEL, W. 33RD STREET TO W. 38TH STREET, BOROUGH OF MANHATTAN
Amtrak has submitted the 60% submission drawings for the above referenced project with a letter dated April 6, 1987. Find enclosed a set of drawings and hydraulic computations for the siphon. It is our understanding that hydraulic computations for the gravity sewer re routing were directly given to your office by Amtrak. Please review the hydraulics of the proposal and relate your comments to this office at the earliest possible.
cc: Farag D. Smith Suspen RA:lp
NYC-WTC_000165403
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NYC-WTC_000165405
Inter-office memorandum requesting review of hydraulic computations for the siphon and gravity sewer routing in the 60% submission.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165384
Internal memorandum acknowledging receipt of 90% submission drawings for the Westside Connection Project and referencing hydraulic computations.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165399
Internal memorandum inquiring whether the Bureau accepts the proposed siphon concept shown in the 60% submission drawings for the Westside Connection Project.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165401
Inter-office memorandum inquiring if the proposed siphon concept in the 60% submission drawings is acceptable to the Bureau of Sewers.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165365
DEP Bureau of Sewers clarifies hydraulic review procedures and provides technical comments on proposed siphon design in tunnel.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.962
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165343
DEP Bureau of Sewers approves tunnel plans with no additional hydraulic objections and minor drafting corrections noted.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗1 shared topics · Same agency, volume and box · similarity 0.959
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165301
DEP approval of final contract plans for tunnel project from W. 33rd to W. 38th Street with construction specifications.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.953
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.953
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NYC-WTC_000165289
Environmental Protection Department record related to tunnel project between W. 33rd and W. 38th Street.
Filed in the same folder
NYC-WTC_000165290
Letter enclosing a signed agreement between DEP and a contractor regarding sewer work in the vicinity of 11th Avenue.
Filed in the same folder
NYC-WTC_000165299
DEP legal correspondence regarding tunnel construction and sewer work in vicinity of 11th Avenue and W. 33rd Street.
Filed in the same folder
NYC-WTC_000165301
DEP approval of final contract plans for tunnel project from W. 33rd to W. 38th Street with construction specifications.
Filed in the same folder
Filed in the same folder