1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
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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
3) Sumps for the twin 16* D.X.P. have r been eliminated.
4) Note has been added to define the line where the stop planks will be installed. See Dwg. IS-34, Mote Mo. 5.
19. The orientation of Sections C S F shown on S-34 has been rotated 90 degrees to match chamber A & D shown on Dwg. S-3.
20. It is shown on Dwg. S-3S Sections C & D.
21. Covers are shown on S--34. They are also specified on Dwg. S-33.
22. This project requires the Engineer to bar detail the structures. The bar detailing followed ACI practice and the bar size and spacing were indicated on the plans. See Legend shown on S-68. This legend is repeated on drawing #S-33.
Attached are three (3) complete sets of revised drawings showing the changes noted above and hydraulic computations for the revised monolithic sewers and weir location. He trust this submission will be satisfactory, and look forward to your prompt approval.
Very truly -yours. PARSONS BRINCKERHOFF QOADB & DOOGLAS, INC.
YALCIN M. TARHAM Acting Project Manager YMT/LM/24:26
Enclosures cc: A. Shaw - AMTRAK
A Century of Engineering Excellence
NYC-WTC_000165327
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NYC-WTC_000165327Source: NYC Law Department, mirrored locally
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Letter from DEP Bureau of Sewers regarding unreviseed drawings and as-built records for the tunnel project.
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Project responses to Bureau of Sewers technical comments regarding manhole details, existing facilities replacement, and drain specifications.
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Letter provides specific design comments regarding roof slab thickness and removable slab configuration requirements.
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Department of Environmental Protection memo reviewing structural computations for a proposed sewer chamber, providing specifications for roof slab thickness and steel values.
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Contractor responses to sewers bureau requirements on manhole maintenance, splash blocks replacement, and drain pipe specifications.
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March 15, 1982 DEP letter providing engineering requirements for a telephone manhole load above the proposed 13-inch sewer line.
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NYC-WTC_000165289
Environmental Protection Department record related to tunnel project between W. 33rd and W. 38th Street.
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NYC-WTC_000165290
Letter enclosing a signed agreement between DEP and a contractor regarding sewer work in the vicinity of 11th Avenue.
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NYC-WTC_000165299
DEP legal correspondence regarding tunnel construction and sewer work in vicinity of 11th Avenue and W. 33rd Street.
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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