OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
-4-
vi) New catch basin connections should be 12" diameter ductile iron pipe, class 56 with internally locked "Push-On" joints laid on 6" of broken stone for the entire width of the trench and for one-half the pipe diameter. The broken stone shall be hard unweathered stone uniformly graded from i" to 3/4" in diameter. It shall conform to commercial i" to 3/4" stone. vii) Flush and clean all existing basin connections to be utilized to receive flows from all catch basins. Where the existing basin connections are found to be damaged or in deteriorating condition they should be replaced with new 12" diameter ductile iron pipe in accordance with the latest Department of Environmental Protection Standards. viii) All catch basins should have a hood on the outletting pipe. ix) All new proposed catch basins should be connected to an existing sewer at a sewer manhole. Catch basins shall not under any circumstance be connected to a sanitary sewer. x) All scuppers should be repaired, damaged, and cleaned and flushed as necessary, to make them operable. Damaged castings should be replaced. At locations where existing scuppers do not have 12" pipe or have deteriorated pipe, the pipe should be replaced with new 12" diameter class 56 D.I. Pipe.
The hydraulic computations as submitted by you are being reviewed by our Private Drainage Review Section. Their comments will be related to you when received from that office. No approval can be accorded before the hydraulics of the proposal is approved. Please submit three (3) complete sets of contract drawings revised in accordance to these comments and those marked in red on the plans for our review.
Very truly yours,
Copy to: Mr. Ahmet Gursoy Project Manager MAGDI FARAG, P.E., CHIEF Parsons Brinckerhoff Quade 6c Division of Sewer Regulations it Douglas, Inc. Control, Bureau of Sewers One Penns Plaza Hew York, NY 10119
NYC-WTC_000165352
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000165377
Letter from DEP Bureau of Sewers regarding unreviseed drawings and as-built records for the tunnel project.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165395
Department letter providing feedback on sewer relocation design drawings and elevation datum requirements.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165322
Department of Environmental Protection letter providing design review comments on tunnel project contract drawings, requesting pressure relief manhole details, existing sewer…
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165358
Inter-office memorandum requesting engineering review of final plans for the North Access Tunnel from W. 33rd to W. 38th Street.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165844
Department of Environmental Protection review comments on 30% plan drawings requesting key plans, legends, and distance measurements.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.959
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165831
Department of Environmental Protection review comments on submitted sewer plans requiring stationing, invert elevations, and manhole labeling.
1 shared topics · Same agency, volume and box · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165556
Mailroom dispatch document regarding the World Trade Center Church Street Underpass project.
1 shared topics · Same agency, volume and box · similarity 0.953
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 ↗NYC-WTC_000165589
Letter from DEP to Port Authority regarding insufficient trench width and required pipe specifications for a rerouted sewer at the World Trade Center underpass.
1 shared topics · Same agency, volume and box · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165790
Letter provides specific design comments regarding roof slab thickness and removable slab configuration requirements.
1 shared topics · Same agency, volume and box · similarity 0.949
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000165377
Letter from DEP Bureau of Sewers regarding unreviseed drawings and as-built records for the tunnel project.
Similarity score 0.994 (not a probability)
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.
Similarity score 0.963 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165395
Department letter providing feedback on sewer relocation design drawings and elevation datum requirements.
Similarity score 0.961 (not a probability)
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.
Similarity score 0.945 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165544
July 28, 1983 DEP letter discussing comments on preliminary plans for the Church Street underpass and sewer support provisions.
Similarity score 0.941 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165556
Mailroom dispatch document regarding the World Trade Center Church Street Underpass project.
Similarity score 0.940 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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_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