SANITARY
DATE SAMPLE SEPERATION REDDNDANCY REMARK ITEM NO.
SIPHON WITH WITHOUT
Received This sample None (1)
sample given by BOS
11/10/86 has no sani
tary sewer
separation
Design No response from (2)
Memo BOS
1/8/87
Submitted
by PB
60% Dwg. 4/15/87 (3)
3/24/87 Structural response
from BOS
Submitted
by PB
90% Dwg. 6/28/87 (4)
6/5/87 Telephone call
request for sanitary
Submitted separation from BOS
by PB
6/29/87 Second sample . Provide 16" o (5)
Meeting given by BOS pipe inside siphon.
with sanitary . No change of sizes
separation or elevation of
proposed sewer
(siphon)
. BOS accepted
siphon design
hydraulically
(Later BOS took
exemption to this
item only)
NYC-WTC_000165341
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000165341Source: NYC Law Department, mirrored locally
Internal memorandum inquiring whether the Bureau accepts the proposed siphon concept shown in the 60% submission drawings for the Westside Connection Project.