1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗Document / 7 pages
DEP final design review comments, tunnel project, Jan 1988
Machine-extracted title · confidence 90%Department of Environmental Protection letter providing design review comments on tunnel project contract drawings, requesting pressure relief manhole details, existing sewer…
NYC-WTC_000165322–000165328Folder label: “North Access Tunnel W. 33rd St. To w. 38TH ST”
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NYC 9/11 Public Portal Document
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b) Guide lines for design of chambers is attached to Hydraulic calculations. The selected radius satisfies all of the requirements. See calculations which are stamped by a P.E.
16. a) Dowels have been provided between the bottom slab and the walls of the 3'-6"x 3’-6" and 6'-0"x4'-0" concrete boxes.
b) All necessary Information and relevant details and bar placements are shown on Dwgs. S-93 and S-94.
c) A new manhole has been provided on the Flow Redirection Chamber.
17. a) Dwgs. S-33 thru S-36 have more details (sections a plans) than the sample given. There are 26 sections taken to cover 180 feet long siphon which should be adequate.
The selected sectional details are based on the following:.
. Plan . Elevation . Proper cross sections Suggested sections do not add anything more. Dwgs. were set up following the example given on Nov. 10, 1986. This saiiq>le has no such sections. In addition, there are 45 sectional plans shown on S-60 thru S-65. b) The Heir details are shown on Dwg. S-33.
18. The inverted siphon design and details has been revised to reflect:
1) 16" D.I.P. is not carried into the twin 6’-0"x4’-0" combination sewer. Revised clean-out arrangement to provide easy access for malntanence<^d the location of the weirs.
2) The weir in U/S of the maintenance chamber has been moved to Chamber A.
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NYC-WTC_000165326
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NYC-WTC_000165326Source: NYC Law Department, mirrored locally
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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.
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machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.958
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.957
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165331
Project responses to Bureau of Sewers technical comments regarding manhole details, existing facilities replacement, and drain specifications.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165790
Letter provides specific design comments regarding roof slab thickness and removable slab configuration requirements.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165786
Department of Environmental Protection memo reviewing structural computations for a proposed sewer chamber, providing specifications for roof slab thickness and steel values.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165337
Contractor responses to sewers bureau requirements on manhole maintenance, splash blocks replacement, and drain pipe specifications.
1 shared topics · Same agency, volume and box · similarity 0.955
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 0.954
machine-extracted · confidence unavailable · Check page ↗2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.952
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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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