HomeMy WebLinkAboutNAHS Drainage Outfall Repairs_Permit Drawings_STAMPED_June2025 - Plans - 430 OSGOOD STREET 6/2/2025 NORTH ANDOVER HIGH SCHOOL
DRAINAGE OUTFALL REPAIRS
INDEX TOWN OF NORTH ANDOVER, MA
G-1 GENERAL NOTES AND LEGEND
C-1 EROSION CONTROLS AND DEMOLITION PLAN J U N E 2025
AND SITE PLAN FOR PERMITTING
CD-1 CIVIL CONSTRUCTION DETAILS
TOWN OF NORTH ANDOVER,MA
JOHN BORGESI,PE-ASSISTANT DIRECTOR OF
PUBLIC WORKS/TOWN ENGINEER
e
r
DRAINAGE OUTFALL z�
4
t.
A-
N
'SN a1:�a
Q RYAN d. 4 AAW
�.
-
NW.51127 -
a
EA
06/24/2025 _ Seb
APEX -
_ 5 �'_-={' r
� ���`� i_;_ NORTH ANDOVER �.
VICINITY MAP
1"=1000'
GENERAL NOTES: SUGGESTED SEQUENCE OF WORK: ABBREVIATIONS LEGEND
1. BASE MAP INFORMATION IS FROM DESIGN PLANS TITLED"NORTH ANDOVER HIGH SCHOOL ATHLETIC BIT BITUMINOUS EXISTING PROPOSED
COMPLEX"PREPARED BY GALE ASSOCIATES,INC.IN NOVEMBER 2003.SUPPLEMENTAL GPS INFORMATION 1. INSTALL EROSION CONTROL MEASURES.SCHEDULE INSPECTIONS WITH THE TOWN IN ACCORDANCE WITH BOW BOTTOM OF WALL
WAS PROVIDED BY THE TOWN OF NORTH ANDOVER DEPARTMENT OF PUBLIC WORKS DEPARTMENT IN THE OOC.
OCTOBER 2024.HORIZONTAL DATUM IN U.S.SURVEY FEET IS REFERENCED TO THE MASSACHUSETTS STATE CB CATCH BASIN PROPERTY LINE s SILT FENCE AND FILTER SOCK
PLANE COORDINATE SYSTEM(NAD83).VERTICAL DATUM IN U.S.SURVEY FEET REFERENCED TO THE NORTH 2. COORDINATE CONSTRUCTION ACCESS WITH THE OWNER. Cl CAST IRON METAL GUARDRAIL ------- LIMIT OF WORK
AMERICAN VERTICAL DATUM OF 1988(NAVD88).
3. MINIMIZE HEAVY EQUIPMENT ACCESS ACROSS THE TURF FIELD BY INSTALLING TEMPORARY COVER CONC CONCRETE UTILITY POLE 117 CONTOUR
2. WETLAND FLAGS SHOWN HEREON WERE DELINEATED AND PLACED BY LEC ENVIRONMENTAL CONSULTANTS, SYSTEM. D DRAIN EDGE OF PAVEMENT SURFACE RESTORATION
INC.IN OCTOBER 2024.
4. INSTALL DETOUR FOR PEDESTRIAN TRAFFIC ON THE MILLS TO HILLS TRAIL DURING CONSTRUCTION. DIA DIAMETER EDGE OF VEGETATION R&D UTILITY PIPE/DEMOLITION
3. PROPERTY LINE,STREET LINE AND OWNER INFORMATION WAS COMPILED FROM RECORDS ON FILE AT THE DMH DRAIN MANHOLE
NORTHERN ESSEX COUNTY REGISTRY OF DEEDS OFFICE AND THE NORTH ANDOVER ASSESSING 5. REMOVE AND STACK THE EXISTING PERIMETER CHAIN LINK FENCE WITHIN THE LIMITS OF WORK.SECURE - CHAIN-LINK FENCE CO COFFERDAM
DEPARTMENT.ABUTTING PARCELS COMPILED FROM MASSGIS AND SHOULD BE CONSIDERED APPROXIMATE SITE WITH TEMPORARY CONSTRUCTION FENCING AS NEEDED. EOP EDGE OF PAVEMENT - DRAIN MANHOLE
FOR THE PURPOSE OF THIS PLAN.SUBJECT SITE IS IN A RESIDENTIAL ZONE AS DEPICTED ON THE TOWN OF EL ELEVATION
NORTH ANDOVER ZONING MAP. 6. PLUG PIPE AT DRAINAGE ACCESS MANHOLE AND ESTABLISH ON-SITE DEWATERING CONTROLS. DRAIN LINE
4. ALL EXISTING UTILITIES SHOWN ARE APPROXIMATE.LOCATIONS SHOWN ARE FROM FIELD OBSERVATION OR 7. PERFORM EXCAVATION,INSTALL TRENCH SUPPORT,AND DEMOLISH EXISTING DRAINAGE PIPE.DISPOSE OF EX EXISTING SEWER MANHOLE
FM FORCEMAIN
RECORD PLANS.THE CONTRACTOR SHALL VERIFY THE LOCATION OF ALL EXISTING UTILITIES.THE DEBRIS IN ACCORDANCE WITH LOCAL AND STATE REGULATIONS. SEWER LINE
CONTRACTOR SHALL NOTIFY DIG SAFE AT LEAST 72 HOURS IN ADVANCE,EXCLUDING WEEKENDS AND ID INSIDE DIAMETER
HOLIDAYS,PRIOR TO ANY EXCAVATION. 8. INSTALL NEW DRAINAGE PIPE AND PIPE LINER SYSTEM TO THE OUTFALL. INV INVERT MAJOR CONTOUR
5. DO NOT SCALE DRAWINGS UNLESS OTHERWISE NOTED.WRITTEN DIMENSIONS AND STATIONING SHALL 9. BACKFILL AND PREPARE SUBGRADE FOR PATHWAY AND ATHLETIC FIELD. LD LANDSCAPE AREA MINOR CONTOUR
PREVAIL.REPORT ANY DISCREPANCIES TO THE ENGINEER IMMEDIATELY. LF LINEAR FEET WETLAND
10. RECONSTRUCT SECTION OF MILLS TO HILLS TRAIL AND REPLACE TURF WITHIN LIMITS OF EXCAVATION.ALL - WETLAND FLAG AND NUMBER
6. THE CONTRACTOR SHALL RESTORE ALL PUBLIC AND PRIVATE PROPERTY TO ITS PRE-CONSTRUCTION DISTURBED AREAS WITHIN LIMITS OF WORK SHALL BE REPLACED IN-KIND. MAX MAXIMUM
CONDITION AT NO ADDITIONAL COST TO THE OWNER UNLESS NOTED TO BE ALTERED. MIN MINIMUM 25 25 25'NO DISTURB ZONE
11. PERMANENT/FINAL STABILIZATION.
7. ALL EXISTING STORM DRAIN,SEWER,AND WATER MAIN LINES ENCOUNTERED DURING CONSTRUCTION ARE MSE MECHANICALLY STABILIZED EARTH 50'NO BUILD ZONE
TO REMAIN IN SERVICE UNLESS OTHERWISE NOTED.THE CONTRACTOR AT NO ADDITIONAL COST TO THE 12. REMOVE PERIMETER EROSION CONTROLS. 75'WATERSHED PROTECTION
OWNER SHALL REPAIR ANY EXISTING SEWERS,STORM DRAIN LINES,WATER LINES OR CULVERTS DAMAGED MW MONITORING WELL DISTRICT CONSERVATION ZONE
DURING CONSTRUCTION. OC ON CENTER 100'WETLAND BUFFER
8. IN THOSE INSTANCES WHERE POWER OR TELEPHONE POLE SUPPORT IS REQUIRED,THE CONTRACTOR SHALL GENERAL DEWATERING AND EROSION CONTROL NOTES: PROP PROPOSED FZ FZ 1 00-YEAR FEMA FLOOD ZONE
NOTIFY AND COORDINATE WITH THE UTILITY COMPANY TO OBTAIN REQUIRED SERVICE.NO ADDITIONAL RCP REINFORCED CONCRETE PIPE p BENCHMARK
PAYMENT WILL BE PROVIDED FOR TEMPORARY BRACING OF UTILITIES OR FOR ANY RELATED DELAYS. R&D REMOVE AND DEMOLISH
1. THE CONTRACTOR SHALL HANDLE GROUNDWATER,WHERE ENCOUNTERED,AS DESCRIBED IN SECTION
9. ALL STRUCTURES AND PIPELINES LOCATED ADJACENT TO THE TRENCH EXCAVATION SHALL BE PROTECTED 02140.DURING ANY DEWATERING,THE CONTRACTOR SHALL USE TEMPORARY STONE AROUND THE R&S REMOVE AND STACK
AND SUPPORTED BY THE CONTRACTOR UNTIL THE TRENCH IS BACKFILLED.DAMAGE TO ANY SUCH SUCTION AND DISCHARGE ENDS TO MINIMIZE TRANSPORT OF TRENCH MATERIALS.THE DISCHARGED R&R REMOVE AND RESET
STRUCTURE CAUSED BY,OR RESULTING FROM,THE CONTRACTOR'S OPERATIONS SHALL BE REPAIRED AT NO WATER SHALL PASS THROUGH FILTER FABRIC,SILT BAGS,FRAC TANKS OR A COMBINATION OF ALL.
ADDITIONAL COST TO THE OWNER.ALL UTILITIES REQUIRING REPAIR,RELOCATION,OR ADJUSTMENT AS A RET. RETAINING
RESULT OF THE PROJECT SHALL BE COORDINATED BY THE CONTRACTOR,THROUGH THE RESPECTIVE 2. DEWATERING SYSTEM DISCHARGE TO INCLUDE ENERGY DISSIPATION TO PREVENT SCOUR. S SEWER
UTILITY AND THE OWNER.
3. TEMPORARY DEWATERING SEDIMENTATION BASINS,IF REQUIRED,SHALL BE CHECKED AFTER EACH SMH SEWER MANHOLE
10.THE CONTRACTOR SHALL TAKE SPECIAL CARE NOT TO DAMAGE TREES,BUSHES,PLANTS,STONEWALLS, SIGNIFICANT RAINFALL AND CLEANED AS NEEDED TO RETAIN STORAGE CAPACITY. TOB TOP OF BANK
FENCES,ETC.WITHIN THE CONSTRUCTION AREA UNLESS THEY ARE NOTED TO BE REMOVED.CONTRACTOR
SHALL REPLACE ALL DAMAGED ITEMS AT NO ADDITIONAL COST TO OWNER. 4. PUMPS AND GENERATORS SHALL BE EQUIPPED WITH DOUBLE CONTAINMENT FUEL TANKS TO PREVENT TOW TOP OF WALL
ANY FUEL LEAKAGE IN THE RESOURCE AREA,UNDERLYING SOILS AND GROUNDWATER AND ADJACENT TYP. TYPICAL
11.THE CONTRACTOR SHALL REMOVE AND REPLACE NEW,OR REPAIR,ALL CURBS,SIDEWALKS,PAVEMENT AND WATER SURFACES.
OTHER ITEMS DAMAGED BY HIS CONSTRUCTION ACTIVITIES TO AT LEAST THEIR ORIGINAL CONDITION,AND TO W WATER
THE SATISFACTION OF THE OWNER AND ENGINEER AT NO ADDITIONAL COST TO THE OWNER. 5. FILTER SOCK AND OTHER EROSION AND SEDIMENT CONTROL MEASURES/DEVICES SHALL BE INSPECTED, WF WETLAND FLAG
CLEANED,REPLACED AND/OR REPAIRED AS NECESSARY,WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL.
12.THE CONTRACTOR SHALL BE REQUIRED TO FURNISH AND MAINTAIN A TELEPHONE NUMBER WHERE THE WG WATER GATE
CONTRACTOR CAN BE REACHED 24 HOURS A DAY,7 DAYS A WEEK. 6. CONCRETE WASHOUT AREAS SHALL BE OUTSIDE THE BUFFER ZONES OF ALL RESOURCE AREAS. UP UTILITY POLE
13.THE LOCATION AND LIMITS OF ALL ON-SITE WORK AND STORAGE AREAS SHALL BE REVIEWED/COORDINATED 7. INSTALL FILTER SOCK PRIOR TO COMMENCEMENT OF THE WORK.INSPECT EROSION CONTROLS
WITH,AND ACCEPTABLE TO THE TOWN AND THE ENGINEER.THE CONTRACTOR SHALL LIMIT HIS ACTIVITIES TO IMMEDIATELY AFTER EACH STORM AND REMOVE ACCUMULATED SEDIMENT AS REQUIRED.REPLACE
THESE AREAS. DAMAGED EROSION CONTROLS AS REQUIRED.
14.THE CONTRACTOR SHALL IDENTIFY AND OBTAIN ALL NECESSARY PERMITS FOR WORK IN ROADWAYS AND 8. SPILL KITS SHALL BE MAINTAINED ON-SITE AT ALL TIMES. _ \
TRENCHES.THE CONTRACTOR IS RESPONSIBLE FOR CONFORMING TO ALL PERMITS AS AN INTEGRAL PART OF G\ � �\\ PROPOSED
HIS WORK. \ \ \`
9. STOCKPILED MATERIALS TO BE LOCATED OUTSIDE THE 100'WETLAND BUFFER ZONE. \ �\\� \ ��'�, � EQUIPMENT ACCESS
15.THE CONTRACTOR SHALL SAW CUT ALL PAVEMENT TO ITS FULL DEPTH IN THE PROCESS OF INSTALLING NEW 10. ALL FOUNDATIONS AND EXCAVATIONS SHALL OCCUR IN"THE DRY".GROUNDWATER SHALL BE LOWERED BY \ \ BM#7
UTILITIES IN ALL PAVED AREAS INCLUDING STREETS,DRIVEWAYS AND SIDEWALKS. A MINIMUM OF 2'BELOW OF THE EXCAVATION. N:3080234.356' Z
E:759272.667' ~5�
\.' \\
16.TEST PITS MAY BE ORDERED BY THE ENGINEER TO DETERMINE THE LOCATION OF EXISTING UTILITIES.THE 11. INSTALL EXCAVATION SUPPORT AS NECESSARY. \ \� EL.105.201'
CONTRACTOR MAY REQUEST TEST PITS TO VERIFY EXISTING UTILITIES AT NO ADDITIONAL COSTS TO THE
OWNER.
\ \ \\
17.THE CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE REGULATIONS OF THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION(OSHA). A `\\
18.CONCRETE WASHOUT AREAS SHALL BE OUTSIDE THE BUFFER ZONES OF ALL WETLAND RESOURCE AREAS.
THE WASHOUT AREA MUST BE INSTALLED WITH AN IMPERMEABLE LINER OR A PREFABRICATED CONCRETE
WASHOUT CONTAINER. \\\\ \
NORTH ANDOVER
HIGH SCHOOL
�\
AffPROJECT AREA
z
R
s
�CHIO
(ROUTE 133)
"� �� \ Y� EQUIPMENT ACCESS
o
\� 0
0
0
SITE LOCUS MAP
SCALE:1"=100' _
Scale AS NOTED PERMITTING v
` tri°`1ssi{ HIGH SCHOOL DRAINAGE OUTFALL REPAIRS
JUNE 2025
RPYAN AULJ �m Date
Job No. 22008835 TOWN OF NORTH ANDOVER,MA Sheet No. o
d
ca CFYtI THIS LINE IS ONE INCH a
� Designed by JLV s
No.6tt27 LONG WHEN PLOTTED AT Z
rs;R Drawn by JLV/MV FULL SCALE ON A 22"X
Checked by RJP 34"DRAW ING GENERAL NOTES AND LEGEND G-1
' 06/24/2025
ArDEA MARK DATE DESCRIPTION Approved by RJP
6
r
N/F CHUCKLIET2-.. 1 F-I - N/F CHUCK LIET2_ 1 I-_ _
660 CHICKERING ROAD 660 CHICKERING ROAD - (
WALKER ROAD �'1 A _ WALKER ROAD imc
coco
Z W - Z W
w __ — W 't -
...
N/F TOWN OF _ N/F TOWN OF
J [2 NORTH ANDOVER _ I - NORTH ANDOVER
U 430 OSGOOD STREET U - 430 OSGOOD STREET
1 _ (PARCEL ID 094.0-0003-0000.0) (PARCEL ID 094.0-0003-0000.0)
211,
200
\ 0 \ �
t \ \200 r - \ �200
_
' \ RTH
TOWN OF ANDOVERl - \ R TOWN OF
ANDOVER
2pO 2p0 Ri CHICKERING ROAD CHICKERING TH ROAD
N/F TOWN OF - - �j,1 \�FRF N/F TOWN OFNq
NORTH ANDOVER
RTH ANDOVER
CHCKERING ROAD t !!! _ 2PO\iyT CHICKERING ROAD
j J 200 ,Y 200
t
200\ 200 -100
\20O \BOO
t=- ! I i
PROPOSED EQUIPMENT 2Oo 20,
ACCESS(FINAL LOCATION
1
1
TBD BY CONTRACTOR) o
x
2 _;
-Al
I
I r
PLUG OUTLET AT DMH AS
J
8 L- VC PIPE
J r NEEDED TO PERFORM WORK -
F 30"P
� REMOVE AND PLUG OR J- + SEWER/DRAINCD(IN.2 AROUND
--{' F M
SUPPORT 8"SEWER ABOVE
L - 30"CMP(TBD AFTER CCTV) _
30 (TYP.)
FLEXIBLE COUPLING TYP.
J
R&S CHAIN LINK FENCE'S _ _ R&S EXISTING CLF ABOVE MH }?1L
CCTV 8"VC SEWER 4`, f; RESET CHAIN
R&D 8 LF 30-INCH CMP \� C_-T-v, RESET CHAIN LINK FENCE
T
LINK FENCE E
- _ -Z t
LAYDOWN AREA FOR PIPE t _
jJff �a N
EQUIPMENT - - - —
t LINING — — — -
-_ \ — \ LIMITS OF SURFACE
(FOOT TRAFFIC ONLY) - - -
--- RESTORATION =\ \ — ——- m
-_
SANDBAG - — RESET CHAIN LINK FENCE -- 6
COFFERDAM(TYP.) 25 2? \ FILTER SOCK W/SILT FENCE(TYP.) --
a
\ pyi�kRY s\pR�U LIMIT OF WORK - ---
FRi \ a� `2� .cNC�Ry/Rq _ s hR \LIMIT OF WORK
N a_ \ — RiV__ — s
\ \ GRo 9' - 'R&S CHAIN GRo �- - j ' in
\ -NiF \ is I= - -\
,LINK FENCE 2s \ \
n
_2s INSTALL LINER SYSTEM _ _25_ —-- 3
= WITHIN EXISTING 62 LF PIPE -
�R S�� SEGMENT AND CURE IN-PLACE
25
-
ti 2S
AG
F-�`-,:� � �\ ;_,��- �-`-� .-_ - _ r-- v f� �2 O `__---iC2r9'1'(i �,�� �-- � � -,"�`� '' -_ ._-- _ _-- r, 97
�
FRi�GS,� [; _ `` � —
'\01
� �__ \
Fz \-��\
EROSION CONTROLS AND DEMOLITION PLAN SITE PLAN
SCALE:1"=20' SCALE:1"=20'
M
• �tN ofSS� Scale 1.=20' o
Date JUNE 2025
HIGH SCHOOL DRAINAGE OUTFACE REPAIRS PERMITTING
Rv
L TOWN OF NORTH ANDOVER,MA Sheet No.
• Job No. 22008835
Designed by JLV THIS LINE IS ONE INCH a
NB.bitP7 LONG WHEN PLOTTED AT o
r�TIA Drawn by JLV/MV FULLSCALE ON A WING X EROSION CONTROLS AND DEMOLITION PLAN -1 z
Checked by RJP 34"DRAWING
06/24/2025 AND SITE PLAN
- MARK DATE DESCRIPTION Approved by RJP
FINISH GRADE
SYNTHETIC TURF LOAM
SEE DETAIL ON THIS SHEET
FINISH SUBGRADE
EXISTING GRADE COMPACTED SUBGRADE ANCHOR CURB WITH
CHAIN LINK FENCE,
1 3/4"SYNTHETIC TURF SURFACE
NOTE: 2"MAX.LEVELING TOP CRUSHED STONE TRAIL
INSTALL CURLEX CL EROSION CONTROL BLANKET AS MANUFACTURED BY STONE,COMPACT To 95% (SEE DETAIL ON THIS SHEET)
AMERICAN EXCELSIOR COMPANY(OR APPROVED EQUAL)ON ALL LOAM AND
SEEDED SLOPES 3:1 OR STEEPER.
3" 12"
LOAM AND SEED(DISTURBED AREAS)
SUB-BASE
SCALE:N.T.S. - - - - -
TACK COAT EDGES OF
EXISTING TRENCH - -
PAVEMENT 1 3/4"SYNTHETIC TURF SURFACE T-O"
2"MAX.LEVELING TOP BASE STONE DEPTH TO BE AVG.DEPTH OF 16" ---------
ACROSS - - 4
STONE,COMPACT TO 95% EXTENT OF FIELD,COMPACT TO 95
(MATCH EXISTING) deb
0.50%SLOPE
15
7
UNDISTURBED EARTH PAY LIMIT
SUBGRADE-QQMMQNFILLQR TURF ANCHOR SYSTEM WITH FENCE DETAIL
-----------------------
ORDINARY BORROW SCALE:N.T.S.
CRUSHED STONE BASE ^v -
NON-WOVEN FILTER - - - 6"(AVG.DEPTH) -
FABRIC _ - -
_>1%SLOPE' S _ - - - -
a, 12"MIN. CRUSHED STONE(MATCH EXISTING)G)
J-DRAINS 10'O.C. 12"COMPACTED PROCESSED GRAVEL
SUB-GRADE TO BE GRADED AT A (MASSDOT M1.03.1)
MINIMUM OF A 1%SLOPE GEOTEXTILE FABRIC
Q�Q COMPACTED ORDINARY (MIRAFI 140N OR
BORROW FILL AS REQUIRED. APPROVED EQUAL)
QQ MATCH EXISTING
CRUSHED STONE PIPE NOTES:
BEDDING(INCIDENTAL
TO PIPE ITEMS) ` ,e,' 1. WHERE INFILTRATION COMPONENTS ARE INSTALLED IN TRENCHES,TRENCH SHALL BE OVER EXCAVATED A MINIMUM OF 12 INCHES IN ALL DIRECTIONS,BACKFILLED,
AND COMPACTED TO 95%FIELD DENSITY IN 6 INCH LIFTS WITH SUITABLE GRANULAR MATERIAL TO THE TOP OF THE TRENCH;AND RE-EXCAVATED FOR INSTALLATION
OF PIPE AND STONE..
12"MIN. COMPACTED SUBBASE
2. ENGINEER SHALL INSPECT EXCAVATION PRIOR TO INSTALLATION OF DRAINAGE COMPONENTS AFTER OVER EXCAVATION,BACKFILL,COMPACTION AND MATERIAL,AS APPROVED
RE-EXCAVATION.
BY ENGINEER
NOTES: 3. CONTRACTOR RESPONSIBLE FOR REMOVING ALL TOPSOIL MATERIAL PRIOR TO PREPARING THE SUBGRADE TO RECEIVE PERVIOUS STONE BASE MATERIAL PER
SPECIFICATION.ANY FILL MATERIAL USED TO BRING THE SUBGRADE TO THE FINISHED SUBGRADE ELEVATION SHALL COMPACTED ORDINARY BORROW FILL,REFER TRAIL RESTORATION DETAIL
1. THE FINISHED SURFACE OF THE PAVEMENT,AFTER COMPACTION,SHALL BE TRUE TO THE TO SPECIFICATION.
ESTABLISHED LINE AND GRADE OF THE EXISTING PAVEMENT. SCALE:N.T.S.
TYPICAL SYNTHETIC TURF SYSTEM DETAIL
2. ANY GRASS AREAS DISTURBED SHALL BE GRADED,LOAMED TO A DEPTH OF 6 INCHES AND SCALE:N.T.S.
SEEDED.
3. SEE SPECIFICATION SECTION 01024 FOR PAY LIMITS.
THIGH WOVEN FILTER FABRIC
DRAINAGE TRENCH DETAIL 2"X2"X36^WOODEN 2'X2"X48°WOODEN TEMPORARY CHAIN LINK FENCE ALONG
STAKES PLACED 10'O.C. STAKES PLACED 10'o.c. LIMIT OF WORK AS NECESSARY TO
SCALE:N.T.S. SECURE PROJECT SITE.WIND SCREEN
BLOWN/PLACED FILTER
2"X 2"X 36"WOODEN MEDIA(MULCH,COMPOST, FOR DUST CONTROL
STAKES PLACED 10'O.C. OR OTHER)WORK AREA
30"MIN vv
NOTES: WOVEN FILTER FABRIC v v yv E
DISCHARGE �� v
1. DEWATERING BAG SIZE AND CONNECTION SEAL AREA TO BE 12 MIN
PROTECTED
QUANTITY SHALL BE AS NEEDED TO �� �ADEQUATELY FILTER ALL PUMP DEWATERING BAG 6"TYP In
v v vv�EFFLUENT FROM DEWATERING 12"DIAMETER®
ACTIVITIES.CONTRACTOR SHALL FILTER SOCK SECTION
PROVIDE A REDUNDANT BAG ON SITE PUMP
AT ALL TIMES. WATER FLOW -
WATER DISCHARGE 10'MAX Z
DISCHARGE PIPE v u a
2. EACH BAG SHALL HANDLE A 2",3",OR 2"X 2"X 48"POST v v
4"DISCHARGE HOSE. WOODEN STAKES � v
WORK AREA
PLACED 10'O.C. �� vv
3. DISCHARGE HOSES CAN BE PLACED ® �
TOP vlEw FILTER v �,
ALONG ANY EDGE BY MAKING A DISCHARGE SOCK
SMALL INCISION INTO THE FABRIC, CONNECTION SEALi�
INSERTING THE HOSE,AND THEN PLAN
it Y r <f CLAMPING THE FABRIC TO THE HOSE DEWATERING BAG ELEVATION
VIA WIRE,TIES,CLAMP,ROPE OR NOTES: 3
m
SIMILAR TO CREATE A GOOD SEAL.
PUMP WATER DISCHARGE K
1. FABRIC TO BE ATTACHED TO STAKES WITH STAPLES. E
4. CONTRACTOR SHALL AVOID d
DISCHARGING MULTIPLE PIPES INTO PROFILE VIEW 2. FABRIC TO BE UV RESISTANT POLYPROPYLENE WITH A MIN.WEIGHT OF 2.5 OZ./S.Y. -ET
ONE BAG. DISCHARGE PIPE
3
m
3. USE SILT FENCE WITH FILTER SOCK WHERE INDICATED,OR AS DIRECTED BY THE ENGINEER. °
CONCRETE BLOCK(TYP.)
DEWATERING BAGS 12"DIAMETER FILTER SOCK WITH SILT FENCE TEMPORARY CONSTRUCTION FENCE
SCALE:N.T.S. SCALE:N.T.S. SCALE:N.T.S.
x
Scale AS NOTED PERMITTING v
ytTHO� Ss Date JUNE2025 HIGH SCHOOL DRAINAGE OUTFALL REPAIRS RY J TOWN OF NORTH ANDOVER MA
Sheet No. M
\�\ • AUL `m m
Job No. 22008835 ,
c°> CFV1.
if y Designed by JLV THIS LINE IS ONE INCH a
K0.61127 LONG WHEN PLOTTED AT o
is pE Drawn by AES FULL SCALE ON A 22"X
Checked b RJP 34"DRAWING CIVIL CONSTRUCTION DETAILS CD-1
Z
A_ 0s/24/202s y I
PEA MARK DATE DESCRIPTION Approved by RJP
o`