HomeMy WebLinkAboutThe Cove - Filter RenovationsINSTALL NEW DRY VOLUMETRIC
CHEMICAL FEEDER
WELD A 30"xl6"xi/4" STEEL PLATE
TO TOP OF EXISTING PLATE. SECURE
CHEMICAL FEEDER TO PLATE.
CONNECT CHEMICAL FEEDER AND PVC
PIPING TO EDUCTOR.
FINISHED FLOOR EL E V. 20.00 1
BUIL DING £N TRA NCE
3"0 FORCE_ Af.4/N FROM
EO UA L IZA T/ON TA NK r�
c=a__._=
3`0 SLUDGE 8 SCUM RETURN
4 "0 PEC YCL E
2'0 SL UDGE RE TURN
2 "0 SUMP
BENCH MARK RIM EL E V. 20.0 0
SEWER MANHOLE NO. 8
5EPTIG
6«m TO NO. I
TpNK TF
�4
22.6 0
22.62 22.26
x.
EDGE OF PA VEMEN T
GRASSED A RFA
--- - EXISTING GAS PIPE ,
JUST UNDER ROOF OVERHANG
REMOVE END CAP INSTALLED
BY SITE CONTRACTOR 8
INSTALL BALL VALVE 8 4" PVC
_ AS INDICATED
L IGH T POL E
-- c
6 TO SUBSURFA CE
DISPOSAL 41A
CLEARWELL. SEE BULKHEADPVC WYE �' \
CONNECTION DETAIL. 12" LONG FILLER PIECE W/ONE
6"0 THREADED END CAP END FOR SOCKET WELD OTHER
END MALE THREADED. APPROX. LIMIT OF ROOF O
GRA VEL ED A PEA
w/SHRUBS
NOTES:
I. ALL FERROUS METAL FIELD CUTS SHALL BE GROUND SMOOTH
AS DIRECTED BY A/E.
2. ALL METAL SURFACES TO BE WELDED SHALL BE CLEANED
NEAR WHITE IN ORDER TO BE SUITABLE FOR WELDING.
3. ALL METAL SURFACES DISTURBED SHALL BE PAINTED AS
SPECIFIED INCLUDING NEW EXPOSED EDGES DUE TO
FIELD CUTTING.
4. ALL WELDING TO BE DONE BY A CERTIFIED WELDER.
CONNECT TO
EDUCTOR
ro PVC 1
TRANSFER PUMP
6' TO SEP TQC
TA NK NO. I
E.G.
/ 6 " TO
SUBSURFA CE
DISPOSAL
_THREADED
END CAP
N
/ •• PVC
Z
BIT.
CATCH BASIN
CONC.
C.S.
EXISTING GROUND
E.G.
W
F.G.
FARCE MAIN
F.M.
3/32"0 HOLES
DATE INITIAL DESCRIPTION
I PVC
11
REMOVE END CAP INSTALLED \ x
BY SITE WORK CONTRACTOR 8 19.95
INSTALL BALL VALVE 8 6" PVC
AS INDICATED.
PLAN
SCALE: 3/16"=1'-0"
NEW AIR SCOUR
BLOWER
METHONAL PUMP
3/8"0 POLYETHYLENE TUBING
r SECURE TO LOWER HANDRAIL.
f NO SAGS PERMITTED. t -,x
ROTA TING BIOLOGICAL
CON TRA C TORS
6" INLET
EXISTING WHITE BIRCH
TO BE RELOCATED BY
A OTHERS
JU
TREE
20.66 20.66
x CLEARWELL BY
SITE CONTRACTOR
GRASSED MUL CH
A REA
EDGE' OF PA VEMEN T
�'-- PA VED PA RKING A PEA ---.`�
A PPP OX. EXIS T
GRADE
GAS CLEARWELL TANK
PRECA S T CURB
i F.G. 3" BIT P 'T
SA ND FIL TER CL A RIFIER _ _ _ V
GRA VEL
APPUR T. RECYCLE BOX i "
FOOT VALVE 16 BALL VALVE
6110 PVC F.F. ELEV. 14.5
I,
SUMP " _ ; 4" BALL VALVE
`-"--J INSTALLED BY SITE
4"m PVC WORK CONTRACTOR
60 GAL. SOLUTION TANK
SECTION 'A -A'
s
SCALE: 3/16"=I'-0"
AND/OR LEGEND
/ •• PVC
ONABBREVIATIONS
CCRIEOVS CONCRETE PAVEMENT
FT
BIT.
CATCH BASIN
CONC.
C.S.
EXISTING GROUND
E.G.
FINISHED GRADE
F.G.
FARCE MAIN
F.M.
3/32"0 HOLES
3 110 S TEEL P/PE
SANITARY
SAN.
WATER
W
SANITARY MANHOLE
ED
STORM MANHOLE
G
t�`9I_Tt�Y �4
sdjONAt 4p`G :�"
r
MUDWELL
RELOCATE EXISTING AIR
BLOWERS AS DIRECTED
TO CL A RIF/ER
6"0 INLET
�r.
BACKWASH WEIR
RAISED EACH FILTER_ CELL_ _
LEVEL FLOAT AS DIRECTED.
3'-0" GRAVEL
12.0 TO 4.8 MM)
MUDWELL
1'-0" GRAVEL'
(4.8 TO 9.5 MMI
1'-0" GRAVEL
(9.5 TO 16 MM)
CUT 8 REMOVE EXISTING
STEEL PLATE WITH DIFFUSER
NOZZLES
EXISTING MUDWELL PUMPS
TO REMAIN
C
EXISTING
/ •• PVC
SV
WITH
L_ - C
BL D WER
AREA
TO CL A RIFIER
304
All
SCREEN
CUT 8 PLUG EXISTING
3/32"0 HOLES
3 110 S TEEL P/PE
OPEN
AREA
PIPE AS DIRECTED
EXISTING DIFFUSER
NOZZLES B
STEEL PLATE TO
BE REMOVED.
304
S.S. 16 GAUGE
SECTION B -B
EXISTING
/" PVC
L/
SV I" P. V. C.
SCALE: I I/2"=I'-0"
BLOWER
so -TO FIL TERS
CONNECT NEW BLOW R
_E_
PIPING TO EXISTING
NEW
2"_
PIPING AS DIRECTED
AIR SCOUR
�
BLOWER
Q PRESSURE GAUGE WITH
PETCOCK
STEEL BULKHEAD
—
--
C_HE_CK_YA
V
P_/*'_RESSURE RELIEF VALVE
INTERIOR
SIDE
AIR
BLOWERS PIPING SCHEMATIC FOR
4" PVC
G EL. 15.50
N.T.S. f FOR
4" PVC
Q EL. 15.50\,
FILTER CELL FILTER CELL
NO. 2 NO. I
EACH CELL 5'-10"x2'-3"
CONTRACTOR TO VERIFY
1-1/2" FIBERGLASS
GRATING
3'-0" GRAVE SCS RE WITH AU6"
HOLES 8 MIN.
L /25% OPEN AREA
.aaaa..
.aaaa..
3 " BACKWASH PIP/NG /
SUPPORT (TYP) MAX. ---
SECTION C -C
SCALE: 1 I/2"=1'-0"
Keyes Associates
- Architects
Engineers
Planners
Interior Designers
Providence,RI*Waltham,Ma•Wethersfieid,CT•Nashua,NH
Is
MAX.
PVC AIR SCOUR PIPE
HIGH WATER L E VEL
EL . 2I.0
3 110 S TEEL PIPE
6" OUTLET
;;;;;'Z3"
R EXISTING PERF. PVC
SCOUR PIPE TO WITHIN
OF LOWER SCREEN
1'-6" GRAVEL
116 TO 25 MM)
INSTALL NEW BACKWASH PUMPS
CUT, THREAD AND CONNECT EXIST.
3"0 .STEEL PIPE TO A NEW 3"0 UNION.
EL /4.5
r
3"m NIPPLE 8 UNION
4"x3" REDUCER
A11 DISCHARGE ELBOW
CUT OPENINGS INTO CLEARWELL e
MUDWELL AS INDICATED 8 DIRECTED.
GRIND EDGE SMOOTH.
I I I 4" PVC—FROM---.C-L EAR_WE_LtL
TANK. 4" PVC FROM
STANDARD PVC I MUDWELL TANK
FLANGES 8 GASKETS
FOR 4" PVC
SCH. 80
/8" THC LANGE FOR 4" PVC WITH
GASKETS (8) 5/8"0 S.S. BOLTS 8
3/4"0 BOLT HOLE DIA.
NOTE: � r.
A 4" PVC MANUFACTURED BULKHEAD FITTING AS
AVAILABLE FROM INTERNATIONAL SUPPLY CORP.,
CRANSTON, R.I. IS ALSO ACCEPTABLE.
BULKHEAD CONNECTION DETAIL
S.S. SCREEN
NOTE BELOW
2"x2"xl/4" STEEL ANGLE TYP
304
S.S. 16 GAUGE
SCREEN TOP OF
WITH
1/8"0 HOLES MIN. 41% LAYER
OPEN
AREA
304
S.S. 16 GAUGE
SCREEN
WITH
3/32"0 HOLES
MIN. 62%
OPEN
AREA
EXISTING DIFFUSER
NOZZLES B
STEEL PLATE TO
BE REMOVED.
304
S.S. 16 GAUGE
SCREEN
WITH 1/2"0 HOLES MIN. 48%
OPEN AREA
N.T.S.
/4"0 NYLON SS LOCK NUT
1 1/2"0FIBERGLASS RETAINER
2"x2"xl/4" ANGLE
E
rrfF=C� q r " uvea a R-�a a >y
..
a s: .6
FILTER RENOVATIONS
SI . ICHECKED BY: JJOB NUMBE RrATE
E.J.R. A.J.K.' E.J.R. P9372.03 FEB. 1994
1/4"0 SS HEX BOLT
GRATING
1/4"0 SS HEX JAM NUT
1/4"0 SS FLAT WASHER
A 2"68"C.C,
NOTE:
EACH SCREEN SHALL BE 304SS
WITH I" SOLID MARGIN AROUND
PERIMETER AS MANUFACTURED
BY HENDRICK MANUFACTURING
CO. OF CARBONDALE, PA.
OVERALL SCREEN DIMENSIONS
SHALL BE 5'-9-1/2" x 2'-2".
PLUMDET.OWG
PLOTTED:2/4/94
THE COVE AT YARMOUTH
DENITRIFICATION FACILITIES
WEST YARMOUTH, MASSACHUSETTS
SHEET 2 OF 3