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54-56 Main Street
Poughkeepsie, New York 12601
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March 18, 1987
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Town Hall
20 Middlebush Road
P.O. Box 324
Wappingers Falls, New York 12590
Reference: Manhole at Roberts Lane
Dear Irene:
On March 16, 1987 I made a site visit at Roberts Lane in order
to determine a solution to the chronic sewage back up and as per
your letter dated January 26, 1987. The problem is caused when
flows entering MH #1 (see Sketch #1) from the South are greater
than the flows entering from the North. This occurs frequently
since there are only eight (8) houses contributing flow from the
North. The rest of WSIA #1 enter from the South.
CAMO had installed a temporary baffle in MH #1 but even this
proves ineffective. This office recommends that two (2)
manholes be installed as shown on Sketch #2. These manholes
shall re-direct the flows from the South that it meets the trunk-
line t10' after the flows from the North does. This should
alleviate the.backup up Roberts Lane.
The cost to perform this work is approximately as follows:
I. Cut Pavement, Excavate and Remove
Pavement:
Excavate:
Removal:
32' LF @ $2.00/L.F.................$ 64.00
25CY/ x 2 manholes @ $4.50/cy...$225.00
2 truck manhole @ $400/day x 1 day.$800.00
Joseph E. Paggi,Jr., P.E.
Ernst Martin, Jr., P.E., L.S.
Town Hall
20 Middlebush Road
P.O. Box 324
Wappingers Falls, New York 12590
Page 2
Re: Manhole at Roberts Lane
II.
Furnish & Install Manholes & Covers
Furnish:
Install:
Covers:
2 manholes @ $600/ea...............$1,200
2 manholes @ $300/ea...............$ 600
2 covers @ $250/ea.................$ 500
III.
Pavement Replacement
25 sy @
110#/sy/in of depth
2000#
= 9" of depth = 13 tons
13 tons @ $50/ton.............................$ 650
Con s t ru c t ion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 4 , 0 3 9
Engineer (10%) ...........................$ 400
Contingency (10%) ........................$ 440
TOTAL
$4,879
If you have any further questions and/or concerns please
contact this office.
Sincerely yours,
l\tJ. -l So
Mark A. Day
for paggi & Martin
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54-56 Main Street
POUGHKEEPSIE, NEW YORK 12601
(914) 471.7898
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