002
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PAGGI & MARTIN
Consulting Engineers & Land Surveyors
OO'~
,
54-56 Main Street
Poughkeepsie, New York 12601
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9 14-47 1- 78 9 8
March 2, 1993
Dutchess County Health Department
387-391 Main Mall
Poughkeepsie, New York 12601
Attention:
Reference:
Daniel O'Connor, P.E.
Central Wappinger Water Improvement Area
Hilltop and Rockingham Well Sites
Town of Wappinger
Dutchess County, New York
Dear Dan:
At the request of your letter dated December 18, 1992, enclosed please
find an Engineer's Report and Plans for the Proposed Extension of Well
Casings above 100 Year Flood Plain Elevations at the above referenced
sites.
The information is submitted for your review and approval.
If you have any questions or require additional information, please feel
free to contact this office.
Thank you for your consideration in this matter.
PJP:law
Enclosure
cc: Town Board
Michael Tremper
g~
RECEIVED
MAR 0 8 199j
ELAINE SN
T()wfI/ r.,oF~~EN
JoscphE. Paggi,Jr., P.E.
Ernst Martin, Jr., P.E., LS.
A
PROPOSED EXTENSION OF WELL CASINGS
ABOVE 100 YEAR FLOODPLAIN ELEV A nON
CENTRAL WAPPINGER WATER IMPROVEMENT AREA
o HILLTOP WELL SITE
o ROCKINGHAM WELL SITE
FEBRUARY 22, 1993
PREPARED BY:
PAGGI & MARTIN
CONSULTING ENGINEERS
54-56 MAIN STREET
POUGHKEEPSIE, NEW YORK 12601
In response to the concerns of the Dutchess County Health
Department, and as a precursor to the formulation of the
proposed Sprout Creek Aquifer Watershed Rules and
Regulations, it is the intent of the Town of Wappinger to
extend certain well casings above the 100 year floodplain at
both the Hilltop and Rockingham wellfields.
A total of five (5) well heads (three at the Hilltop site and
two at the Rockingham Site) are presently set at elevations
below the surrounding 100 year floodplain elevations.
In order to remedy this situation, the procedures outlined in
this Report shall be utilized.
ROCKINGHAM WELL SITE
PW 1-R
EXISTING TOP OF CASING ELEVATION =
100 YEAR FLOOD PLAIN ELEVATION =
MINIMUM TOP OF CASING ELEVATION =
236.63
241. 7
244.7
CONSTRUCTION PROCEDURE
o CUT EXISTING S"cp CASING TO ELEVATION 236.1.
o WELD ON S"cp PITLESS UNIT AS MANUFACTURED BY BAKER, OR
APPROVED EQUAL.
o PITLESS UNIT SHALL HAVE A MINIMUM "BURY DEPTH" OF 7'- 0".
(NOTE "BURY DEPTH" IS DEFINED AS THE DIMENSION FROM THE
CENTERLINE OF THE DISCHARGE PIPE TO A POINT 12" BELOW THE TOP
OF PITLESS CASE ELEVATION. THIS DIMENSION IS MORE
SPECIFICALLY DESCRIBED ON THE PITLESS UNIT DETAILS)
o TOP OF PROPOSED PITLESS CASE SHALL EXTEND TO ELEVATION 245.0.
o TOP OF PROPOSED VENT CAP SHALL EXTEND TO ELEVATION 246.0.
o CONTRACTOR SHALL BE RESPONSIBLE FOR EXTENDING (WHERE
NECESSARY) AND CONNECTING THE DROP PIPE, DISCHARGE PIPE AND
ELECTRICAL CONDUITS.
o CONTRACTOR SHALL BE RESPONSIBLE FOR PUMPHOUSE MODIFICATIONS
TO PROTECT THE PORTION OF THE NEWLY INSTALLED PITLESS UNIT
THAT PROTRUDES INTO THE FIRST FLOOR OF THE PUMPHOUSE. THIS
PROTECTION MAY BE ACCOMPLISHED BY SECURING A SMALL LENGTH
(ie: 2':t) OF 15" DIAMETER PLASTIC PIPE TO THE EXISTING
OPENING. ALTERNATE METHODS MAY BE EMPLOYED IF APPROVED BY
THE ENGINEER.
ROCKlNGHAM WELL SITE
PW 2-R
EXISTING TOP OF CASING ELEVATION =
100 YEAR FLOOD PLAIN ELEVATION =
MINIMUM TOP OF CASING ELEVATION =
237.65
241. 7
244.7
CONSTRUCTION PROCEDURE
o CUT EXISTING 8"4> CASING TO ELEVATION 237.1.
o WELD ON 8"4> PITLESS UNIT AS MANUFACTURED BY BAKER, OR
APPROVED EQUAL.
o PITLESS UNIT SHALL HAVE A MINIMUM "BURY DEPTH" OF 6'- 0".
o TOP OF PROPOSED PITLESS CASE SHALL EXTEND TO ELEVATION 245.0.
o TOP OF PROPOSED VENT CAP SHALL EXTEND TO ELEVATION 246.0.
o CONTRACTOR SHALL BE RESPONSIBLE FOR EXTENDING (WHERE
NECESSARY) AND CONNECTING THE DROP PIPE, DISCHARGE PIPE AND
ELECTRICAL CONDUITS.
o CONTRACTOR SHALL BE RESPONSIBLE FOR REMOVING THE EXISTING
WELL VAULT MANHOLE AND BACKFILLING THE AREA.
o BACKFILL SHALL BE MOUNDED AROUND CASING TO A POINT 3' BELOW
THE TOP OF THE VENT CAP, AND SHALL BE SLOPED BACK AT 1:4
MAXIMUM TO EXISTING GRADE.
HILLTOP WELL SITE
PW 2
EXISTING TOP OF CASING ELEVATION =
100 YEAR FLOOD PLAIN ELEVATION =
MINIMUM TOP OF CASING ELEVATION =
246.13
248.8
251. 8
CONSTRUCTION PROCEDURE
o CUT EXISTING 12"cp CASING TO ELEVATION 245.0.
o WELD ON 12"cp PITLESS UNIT AS MANUFACTURED BY BAKER, OR
APPROVED EQUAL.
o PITLESS UNIT SHALL HAVE A MINIMUM "BURY DEPTH" OF 5'- 0".
o TOP OF PROPOSED PITLESS CASE SHALL EXTEND TO ELEVATION 252.4.
o TOP OF PROPOSED VENT CAP SHALL EXTEND TO ELEVATION 253.7.
o CONTRACTOR SHALL BE RESPONSIBLE FOR EXTENDING (WHERE
NECESSARY) AND CONNECTING THE DROP PIPE, DISCHARGE PIPE AND
ELECTRICAL CONDUITS.
o CONTRACTOR SHALL BE RESPONSIBLE FOR REMOVING THE EXISTING
WELL VAULT AND BACKFILLING THE AREA.
o BACKFILL SHALL BE MOUNDED AROUND CASING TO A POINT 3' BELOW
THE TOP OF THE VENT CAP, AND SHALL BE SLOPED BACK AT 1:4
MAXIMUM TO EXISTING GRADE.
HILLTOP WELL SITE
PW 3
EXISTING TOP OF CASING ELEVATION =
100 YEAR FLOOD PLAIN ELEVATION =
MINIMUM TOP OF CASING ELEVATION =
247.13
248.3
251. 3
CONSTRUCTION PROCEDURE
o CUT EXISTING 12"~ CASING TO ELEVATION 246.0.
o WELD ON 12"~ PITLESS UNIT AS MANUFACTURED BY BAKER, OR
APPROVED EQUAL.
o PITLESS UNIT SHALL HAVE A MINIMUM "BURY DEPTH" OF 5'- 0".
o TOP OF PROPOSED PITLESS CASE SHALL EXTEND TO ELEVATION 253.4.
o TOP OF PROPOSED VENT CAP SHALL EXTEND TO ELEVATION 254.7.
o CONTRACTOR SHALL BE RESPONSIBLE FOR EXTENDING (WHERE
NECESSARY) AND CONNECTING THE DROP PIPE, DISCHARGE PIPE AND
ELECTRICAL CONDUITS.
o CONTRACTOR SHALL BE RESPONSIBLE FOR CUTTING A NEAT, UNIFORM
HOLE (2' X 2' MAX) IN THE EXISTING CONCRETE TOP SLAB THROUGH
WHICH THE NEWLY INSTALLED PITLESS CASING SHALL PROTRUDE. THE
ANNULAR SPACE SHALL THEN BE PLUGGED WITH AN APPROVED NON-
SHRINK GROUT.
,'-----
HILLTOP WELL SITE
PW - 5
EXISTING TOP OF CASING ELEVATION =
100 YEAR FLOOD PLAIN ELEVATION =
MINIMUM TOP OF CASING ELEVATION =
244.71
248.1
251. 1
CONSTRUCTION PROCEDURE
o REMOVE THE EXISTING TURBINE PUMP AND REPLACE WITH A
SUBMERSIBLE PUMP (MODEL 275-H30-7 STAGE AS MANUFACTURED BY
GOULDS, OR APPROVED EQUAL). CALCULATIONS FOR PUMP SELECTION
ARE INCLUDED ON THE FOLLOWING PAGES.
o CUT EXISTING 12"</) CASING TO ELEVATION 244.0.
o WELD ON 12"</) PITLESS UNIT AS MANUFACTURED BY BAKER, OR
APPROVED EQUAL.
o PITLESS UNIT SHALL HAVE A MINIMUM "BURY DEPTH" OF 5'- 0".
o TOP OF PROPOSED PITLESS CASE SHALL EXTEND TO ELEVATION 251.4.
o TOP OF PROPOSED VENT CAP SHALL EXTEND TO ELEVATION 252.7.
o CONTRACTOR SHALL BE RESPONSIBLE FOR EXTENDING (WHERE
NECESSARY) AND CONNECTING THE DROP PIPE, DISCHARGE PIPE AND
ELECTRICAL CONDUITS.
o CONTRACTOR SHALL BE RESPONSIBLE FOR CUTTING A NEAT, UNIFORM
HOLE (2' X 2' MAX") IN THE EXISTING CONCRETE TOP SLAB THROUGH
WHICH THE NEWLY INSTALLED PITLESS CASING SHALL PROTRUDE. THE
ANNULAR SPACE SHALL THEN BE PLUGGED WITH AN APPROVED NON-
SHRINK GROUT.
PAGGI & MARTIN
54.56 Main Street
POUGHKEEPSIE, NEW YORK 12601
(914) 471.7898
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Submersibi€
Turbine
Pumps
MODEL
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275H
For 6" and larger wells
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FEATURES
NUMBER CODE
Powered for Continuous
operation: All ratings are within
the working limits ot the motor
manufacturer. Pump can be oper-
ated continuously with no fear of
damage to the motor.
CompleteJy FJeld Serviceable:
Easy to install and service. All parts
easily dismantled if field service is
ever necessary. No special tools
needed. No shipping back to
factory.
Diverse Application: Designed
for industrial. municipal and
agricultural water needs.
275H40834-8'
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MDtDr sa.. ... DlA
91985 Goulds Pumps, Inc.
Effective January 15. 1985
'FEET ~
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METERS ~
225 u.
w
700, 70
200 C:S%
600. 60
175
C 150 50
c(
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27SH30.6
0 STG
t- 100
2. 9-+ Pr.' 275H2S 30
275H20
200 20
25
10
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100
20
200 300
40 60
CAPACITY
100
0-
500 GPM(-
m3/h .-
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3S:/ c\4-i
DISCHARGE 3" NPT -
DIMENSIONS AND WEIGHTS 10 thru 25 HP MATERIALS OF CONSTRUCTION
(All dimensions in inches and weigl'll in Ibs.) (Do not use for construction purposes.) DISCHARGE 4" NPT -
30 thru 40 HP flirt NIIIlI MalIrIaI
HP SIIga MadII Malar WL ~ W_ Shaft & Coupling 300 Senes 55'
Number l.IngtII I.IngdI
10 2 275H10632 JOlI. Spline Protector Neoprene
275H10634 19'/. 50 185 Molar Adapter & Discharge Head Cast Iron
15 3 275H15632 342f. 24'/. S8$fa 225 Suction Screen 300 Senes SS
275H15634 W.E. Shaft Sleeve 300 Senes SS
275H20632
2D 4 275H20634 3lWI 29'/. 67o/a 270 Bowl Cast Iron
25 5 275H25632 420/1 34'/. ~ 294 Manne Bearing Buna "N'.
275H25634 L. O.A. Impeller Bronze
lJ 6 275H3lE32-6 420/1 39ft. aWl 3m Cotter Pin 300 Senes SS
275H30634-6
lJ 7 275H30032- 7 422f. Wear Ring Bronze
44ft. 86'Ia 324
275H30634-7 Fasteners 300 Senes SS
40 a 275H406J4.8 6831. 49'/. 118 458 _5~" Cable Guard 300 Senes SS
40 9 275H40634-9 6831. 54'/. 123 472 ex: (6" MTR.) "7 through 9 stage units use Monel Shafts.
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Sa<ECA FAUS \JEW VCPK :3148
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
?RINTED IN USA