HomeMy WebLinkAbout550 Willow Street Detail Sheet (3)PL
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LOCUS MAP
SCALE 1"=2000'±
ASSESSORS MAP 62 PARCEL 6 & MAP 63 PARCEL 26
LOCUS IS WITHIN FEMA FLOOD ZONE X AS
SHOWN ON COMMUNITY PANEL #25001CO567J
DATED 7/16/2014
0
yif
*THE INSTALLER SHALL VERIFY THE
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
El
MULCH) 3" B L.S. (COARSE)
(COARSE) 10YR 5/6
YR 5 6 "18"
27.61 An.I GROUN WATER EL. 27.19 20.3 ADJ. GROUNDWA EL. 27.21 NOTE: REDUCED
PERC< 2 MIN./IN
BOTT. AT 46" a
24 GAL. IN 4:17
C1 COARSE SAND
2.5Y 6/4
GROUNDV
ADJUSTMENT DUE TO
PROXIMITY OF DRAINAGE
STRUCTURES DRAINING TO
NEARBY INTERMITTENT STREAM.
PERC< 2 MIN./IN SPECIAL CIRCUMSTANCE)
BOTT. AT 46" V2 TO 4.5 = 2.7 LESS
24 GAL. IN 4:17 REF. #43 JEFFERSON AVE.
ADJ. WATER EL. 27.21
C1 COARSE SAND
2.5Y 6/4
EL 22.69 (71) GROUNDWATER E .22.71 (88")
18.61 1 1 120"
BOTTOM
USGS HIGH GROUNDWATER EST.
INDICATOR WELL: AIW230
ZONE: ZONE E
DATE: 7/02
ADJ. FACTOR: 7.2
REINFORCED NEW BLACK RUBBER
FOSE (1/2' ID)
F DOUBLE STRAND 12 GA
GALV ANNEALED TWEED WARE
TREE WRAP. LAP ENDS DOWN
DO NOT STAPLE
3 STAKES EQUALLY SPACED
AROUND TREE 2 1/2'x2 1/2'x10'
SPACED 1'-0' FROM TRUNK,
STAINED DARK BROWN.
STAKES DRIVEN AT ANGLE AND
PULED VERTICIL WTR1 WIRE
MIN 4'-0" BURIED
1,_4, MIN 3' DEEP SAUCER
MIN
3' DEPTrI SHREDDED BARK MULCH
Aalusr FIDc;Hr ro
ORIG. PUNT REVFIL
REMOVE BURLAP FROM TOP
HA9 OF RDOTBALL
' �---•COMPACTED SUB -GRADE
z
is<=.
..''+', SOIL Mix
12•
NOTES
1. DATUM IS NAVD88
2. MUNICIPAL WATER IS AVAILABLE
3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASHO H -M
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
310 CMR 15.000 (TITLE 5)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
BE USED FOR LOT LINE STAKING OR ANY OTHER
PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED
WITHOUT INSPECTION BY BOARD OF HEALTH AND
PERMISSION OBTAINED FROM BOARD OF HEALTH.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING
DIGSAFE (1-888-344-7233) AND VERIFYING THE
LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES
PRIOR TO COMMENCEMENT OF WORK.
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE
REMOVED 5' BENEATH AND AROUND THE PROPOSED
LEACHING FACILITY.
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND.
13. ALL CONSTRUCTION MATERIALS. COMPONENTS, AND
METHODS EMPLOYED ON THIS PROJECT WORK SHALL
CONFORM TO THE TOWN OF YARMOUTH SUBDIVISION
REGULATIONS AND/OR THE MASSACHUSETTS DEPARTMENT
OF PUBLIC WORKS STANDARD SPECIFICATIONS FOR
BRIDGES AND HIGHWAYS AS AMENDED TO PRESENT.
14. EXISTING CATCH BASINS TO BE CLEANED AFTER SITE
IS STABILIZED.
15. HAZARDOUS MATERIALS NOT TO EXCEED HOUSEHOLD
QUANTITIES.
20.01 120"
BOTTOM
USGS HIGH GROUNDWATER EST.
INDICATOR WELL: AIW230
ZONE: ZONE E
DATE: 7/02
ADJ. FACTOR: 7.2
CONTRACTOR TO PROVIDE
30" CAST IRON COVER ON 30" I.D. H-20 RISER INTERNAL
TANK RISER TO EXTEND UP INTO H-20 RISER TO WITHIN 12"
OF FINISHED GRADE FOR EASE OF ACCESS.
CONTRACTOR TO PROVIDE
LEAK DETECTION FLOAT ACCESSED
THROUGH 24" RISER 1
IN INTERSTITIAL SPACE BETWEEN TANKS
TANK DESIGN: MORTAR
PROPOSED USE: FLOOR DRAIN PER PLUMBING
CODE. ESTIMATED 500 GAL ONCE PER MONTH,
WASHINGHAND
GPD FLOORDRAIN X 6- -1,200 GAL + 20
GAL REQ.ff
USE 1500 GAL TIGHT TANK (ADEQUATE).
TIGHT TANK SHALL BE H-20 1500 GAL.
INDUSTRIAL WASTE WATER TANK HOLDING
SYSTEM BY ACME PRECAST OR EQUAL DOUBLE
CONTAINMENT TIGHT TANK SYSTEM SHALL
CONSIST OF H-20 RATED 2500 GAL. SEPTIC 250
TANK CONCRETE VAULT WANTERNAL 1500 GAL OUT
MONOPOUR TANK, VENTED, WITH PLASTIC
RISERS UP INTO 2500 GAL RISERS. SEE TA
SEPARATE DETAIL SHEET. VENT THRU BLDG.
STACK. COORDINATE WITH PLUMBER. i
SIGNAGE "NON -HAZARDOUS INDUSTRIAL
WASTEWATER HOLDING TANK" SIGN TO BE
INSTALLED ON BUILDING ADJACENT. SEE
SEPARATE CONSTRUCTION SPECIFICATIONS FOR
DETAILS. LOG BOOK REQUIREMENTS, ETC.
REFER TO 314 CMR 16.00.
SLOPE 0.5% MIN. (TRENCHES LF
V
E&�g-N-12- PLUS CUT w
OTS WITH SKILLSAW E.O. RIB
RCHASE SLOTTED PIPE
140N TOP AND SIDES
P�fp` 12"0H-201 HDPE PIPE
DEDICATED VENT BACK THROUGH
PLUMBING STACK.
PITCH TO DRAIN BACK, NO LOW
CONTRACTOR TO PROVIDE POINTS
SIGN ON BUILDING ADJACENT
TIGHT TANK WITH LETTERING NORMAL HIGH WATER LEVEL ALARM
NON -HAZARDOUS TO BE SET FOR 3/4 OF TANK
INDUSTRIAL WASTE
WATER HOLDING TANK"� CAPACITY, ALARM AND PRESS TO
IN 2" LETTERING. SILENCE SWITCH ON PANEL INSIDE
BUILDING. LOW VOLTAGE FLOATS,
SIMPLEX PANELS,
SEE PAVEMENT SECTION MEYERS OR EQUAL.
o 0
0 0
(2) 3/4" GALV. STEEL
/CONDUIT FOR ALARMS.
ALARM AND CONTROL PANEL
TO BE INSTALLED INSIDE
BUILDING. ALARM TO BE ON
SEPARATE CIRCUIT FROM PUMP
"4
INV. IN 28.33'
FLOAT SWITCH
ALARM �ON
SETTINGS: PI IUP AN
•'`'FLOOR DRAINS
. 4
0 G L. SEE PLUMBING
TER INTERNAL 1500 DRAWINGS
NK CONCRETE TANK NOTE: TIGHT TANK IS DEFINED AS A
"DEDICATED SYSTEM" UNDER THE PLUMBING CODE
D USE CEMENT LINED CAST IRON PIPE, PLUMBER TO
MAKE UP CONNECTIONS AND VENTS
H-20 TIGHT TANK
NOT TO SCALE
6" ROOF DRAINS
TIE DIRECTLY TO 12" TRENCH PIPES WITH SADDLE
CONTRACTOR TO COORDINATE EXACT
DOWNSPOUT LOCATION WITH ARCHITECT
LISTED
Nr-= - L
/ 1 1/2" DOUBLE WASHED
STONE UNDERNEATH
O AND BESIDE PIPE
WIDTH AND LENGTHS LISTED
ADJ. G.W.
NOT TO SCALE
LT SECTION A -A
6"+/- DIA. RIP -RAP STONE
STACKED 8" MIN. AVG. THICKNESS
EL. 30.3'
EL. 30.5'
12j�
70OX
100 YEAR OVERFLOW
(ROCK SWALES SIMILAR)
NOTE: FLAT GRADES, CAREFUL GRADING REQUIRED.
MATCH EXISTING GRADES AND SWALES EXACTLY.
CAPE COD BERM
12"X3"INTERGRAL WITH TOP COAT
TO MATCH EXISTING (NOT APPLICABLE THIS SITE)
1.0" TOPCOAT MASS DPW
TYPE II
2.0" BINDER
(2-% SLOPE)
FOUNDATION- 12' -
SYSTEM PROFILE
(NOT 10 SCALE)
MARK CORNERS OF
LEACHING FIELD W/
REBAR SET 4" BELOW
GRADE
W/MULUtU m run L�.cu.w.a STONE U
... a: GAS DEFLECTOR
//
0 0 0 0 0 0 0
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [23)
( % SLOPE) H-20 (fix SLOPE)
SEPTIC TANK - 3' PUMP 64' D' BOX 11' LEACHING
CHAMBER
-
WATERTIGHT, SECURE
COVERS TO GRADE
31.0'
1 DOO GAL. H-20 S U E . ,.
350 GAL+ SLOPE TODRP
RESERVE .25" WEEP HOLE
8" CHECK VALVE
MYERS SRM 4
4" SUBMERSIBLE 4
18" SYSTEM (OR E(
PUMP CHAMBER
(NOT TO SCALE)
WATERPROOF/WATERTIGHT
EXTEND GRAVEL 6" MIN. \ 12" REPROCESSED ASPHALT GRAVEL
PAST EDGE PAVE COMPACT SUBGRADE MDPW SPEC. VIB. ROLLER COMPACTED
ANY FILL TO BE COMPACTED IN 6" LIFTS TO 95% MOD. PROCTOR DENSITY
SUBGRADE TO BE NON -FROST SUSCEPTIBLE MATERIAL (<B% PASSING #200 SIEVE)
NOT TO SCALE
EL. 30.5' PROVIDE 40 MILLINER
3 TOP AT ELEV. 30.5',
1 BOTTOM AT EL. 28.0'±
4"' LOAM AND SEED
NEW ENGLAND
RETENTION BASIN MIX
REMOVE ANY LOAMY
MATERIAL TO CLEAN
SAND, CLEAN
COMPACTED SAND
ONLY UNDER
RETENTION AREA
SYSTEM DESIGN:
1500 S.F. OFFICE ® 75 GPD/1000 S.F. = 113 GPD
6500 S.F. WAREHOUSE ® 15 GPD/EMPLOYEE = 120 GPD
TOTAL DESIGN FLOW ESTIMATE= 233 GPD
SEPTIC TANK: 233 GPD (2) = 466 (FIRST COMPARTMENT)
233 GPD (1) = 233 (SECOND COMPARTMENT)
466 + 233 = 699 GAL REQUIRED
USE A 1500 GAL. DUAL COMPARTMENT SEPTIC TANK &
A H-20 1000 GAL PUMP CHAMBER
LEACHING:
24' x 25' (.74) = 444 GPD
USE A 24' x 25' PIPE AND STONE LEACHING FIELD
ZONE II RESTRICTION
279,188 SF (440 GPD/40,000SF) = 3071 GPD
COMPACTED FILL
UTILIZE WELL GRADED MATERIAL
STRUCTURAL GRAVEL OR SIMILAR
COMPACTED IN 6" LIFTS TO 95% MOD. PROCTOR DENSITY
9" COVER _444
KEYSTONE WALL UUITW IINFR
2% MIN. SLOPE OVER SYSTEM
4LOAM & SEED
30'1 CAP STONE UNITS
1/2" x 5 1/4"
Fiberglass
6"
PEASTONE
COARSE SAND BACKFILL AGAINST
WALL
40 MIL LINER FROM TOP PEASTONE/WALL
TO12' BELOW GRADE
KEYSTONE OR EQUAL RETAINING WALL UNITS
-18"X8" SET WITH 1" BATTER PER ROW
FIBERGLASS PINS REQ.
SHEET 2 OF 2
NOT TO SCALE
fa
6"X30" Crushed Rock or
Unreinforced Concrete
Leveling Pad req.
PERMIT SET NOT FOR CONSTRUCTION
INSPECTION PORT (SEE DETAIL)
18.61' BOTTOM TH-1
USE ADJUSTED
GROUNDWATER O EL
27.21 PER PREVIOUS
TEST HOLES IN AREA
VENT W/ CHARCOAL FILTER
MIN BELOW INV.
BUOYANCY CALCS:
TEST HOLE
LOGS
H-10
1500 GAL. ST
WEIGHS
LOCATION:
TH-1
LOCATION:
TH-2
= 11,330 LBS UP (OK)
DATE:
7/31/02 1 PM
DATE:
7/31/02
1 PM
EXCAVATOR:
REID ELLIS
EXCAVATOR:
REID
ELLIS
B.O.H. AGENT:
AMY VON HONE R.S.
B.O.H. AGENT:
AMY
VON HONE R.S.
ENGINEER:
RICK JUDD R.S.
ENGINEER:
RICK
JUDD R.S.
ELEV.
DEPTH
ELEV.
DEPTH
011
28.61
0"
30.01
*THE INSTALLER SHALL VERIFY THE
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
El
MULCH) 3" B L.S. (COARSE)
(COARSE) 10YR 5/6
YR 5 6 "18"
27.61 An.I GROUN WATER EL. 27.19 20.3 ADJ. GROUNDWA EL. 27.21 NOTE: REDUCED
PERC< 2 MIN./IN
BOTT. AT 46" a
24 GAL. IN 4:17
C1 COARSE SAND
2.5Y 6/4
GROUNDV
ADJUSTMENT DUE TO
PROXIMITY OF DRAINAGE
STRUCTURES DRAINING TO
NEARBY INTERMITTENT STREAM.
PERC< 2 MIN./IN SPECIAL CIRCUMSTANCE)
BOTT. AT 46" V2 TO 4.5 = 2.7 LESS
24 GAL. IN 4:17 REF. #43 JEFFERSON AVE.
ADJ. WATER EL. 27.21
C1 COARSE SAND
2.5Y 6/4
EL 22.69 (71) GROUNDWATER E .22.71 (88")
18.61 1 1 120"
BOTTOM
USGS HIGH GROUNDWATER EST.
INDICATOR WELL: AIW230
ZONE: ZONE E
DATE: 7/02
ADJ. FACTOR: 7.2
REINFORCED NEW BLACK RUBBER
FOSE (1/2' ID)
F DOUBLE STRAND 12 GA
GALV ANNEALED TWEED WARE
TREE WRAP. LAP ENDS DOWN
DO NOT STAPLE
3 STAKES EQUALLY SPACED
AROUND TREE 2 1/2'x2 1/2'x10'
SPACED 1'-0' FROM TRUNK,
STAINED DARK BROWN.
STAKES DRIVEN AT ANGLE AND
PULED VERTICIL WTR1 WIRE
MIN 4'-0" BURIED
1,_4, MIN 3' DEEP SAUCER
MIN
3' DEPTrI SHREDDED BARK MULCH
Aalusr FIDc;Hr ro
ORIG. PUNT REVFIL
REMOVE BURLAP FROM TOP
HA9 OF RDOTBALL
' �---•COMPACTED SUB -GRADE
z
is<=.
..''+', SOIL Mix
12•
NOTES
1. DATUM IS NAVD88
2. MUNICIPAL WATER IS AVAILABLE
3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASHO H -M
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
310 CMR 15.000 (TITLE 5)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
BE USED FOR LOT LINE STAKING OR ANY OTHER
PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED
WITHOUT INSPECTION BY BOARD OF HEALTH AND
PERMISSION OBTAINED FROM BOARD OF HEALTH.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING
DIGSAFE (1-888-344-7233) AND VERIFYING THE
LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES
PRIOR TO COMMENCEMENT OF WORK.
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE
REMOVED 5' BENEATH AND AROUND THE PROPOSED
LEACHING FACILITY.
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND.
13. ALL CONSTRUCTION MATERIALS. COMPONENTS, AND
METHODS EMPLOYED ON THIS PROJECT WORK SHALL
CONFORM TO THE TOWN OF YARMOUTH SUBDIVISION
REGULATIONS AND/OR THE MASSACHUSETTS DEPARTMENT
OF PUBLIC WORKS STANDARD SPECIFICATIONS FOR
BRIDGES AND HIGHWAYS AS AMENDED TO PRESENT.
14. EXISTING CATCH BASINS TO BE CLEANED AFTER SITE
IS STABILIZED.
15. HAZARDOUS MATERIALS NOT TO EXCEED HOUSEHOLD
QUANTITIES.
20.01 120"
BOTTOM
USGS HIGH GROUNDWATER EST.
INDICATOR WELL: AIW230
ZONE: ZONE E
DATE: 7/02
ADJ. FACTOR: 7.2
CONTRACTOR TO PROVIDE
30" CAST IRON COVER ON 30" I.D. H-20 RISER INTERNAL
TANK RISER TO EXTEND UP INTO H-20 RISER TO WITHIN 12"
OF FINISHED GRADE FOR EASE OF ACCESS.
CONTRACTOR TO PROVIDE
LEAK DETECTION FLOAT ACCESSED
THROUGH 24" RISER 1
IN INTERSTITIAL SPACE BETWEEN TANKS
TANK DESIGN: MORTAR
PROPOSED USE: FLOOR DRAIN PER PLUMBING
CODE. ESTIMATED 500 GAL ONCE PER MONTH,
WASHINGHAND
GPD FLOORDRAIN X 6- -1,200 GAL + 20
GAL REQ.ff
USE 1500 GAL TIGHT TANK (ADEQUATE).
TIGHT TANK SHALL BE H-20 1500 GAL.
INDUSTRIAL WASTE WATER TANK HOLDING
SYSTEM BY ACME PRECAST OR EQUAL DOUBLE
CONTAINMENT TIGHT TANK SYSTEM SHALL
CONSIST OF H-20 RATED 2500 GAL. SEPTIC 250
TANK CONCRETE VAULT WANTERNAL 1500 GAL OUT
MONOPOUR TANK, VENTED, WITH PLASTIC
RISERS UP INTO 2500 GAL RISERS. SEE TA
SEPARATE DETAIL SHEET. VENT THRU BLDG.
STACK. COORDINATE WITH PLUMBER. i
SIGNAGE "NON -HAZARDOUS INDUSTRIAL
WASTEWATER HOLDING TANK" SIGN TO BE
INSTALLED ON BUILDING ADJACENT. SEE
SEPARATE CONSTRUCTION SPECIFICATIONS FOR
DETAILS. LOG BOOK REQUIREMENTS, ETC.
REFER TO 314 CMR 16.00.
SLOPE 0.5% MIN. (TRENCHES LF
V
E&�g-N-12- PLUS CUT w
OTS WITH SKILLSAW E.O. RIB
RCHASE SLOTTED PIPE
140N TOP AND SIDES
P�fp` 12"0H-201 HDPE PIPE
DEDICATED VENT BACK THROUGH
PLUMBING STACK.
PITCH TO DRAIN BACK, NO LOW
CONTRACTOR TO PROVIDE POINTS
SIGN ON BUILDING ADJACENT
TIGHT TANK WITH LETTERING NORMAL HIGH WATER LEVEL ALARM
NON -HAZARDOUS TO BE SET FOR 3/4 OF TANK
INDUSTRIAL WASTE
WATER HOLDING TANK"� CAPACITY, ALARM AND PRESS TO
IN 2" LETTERING. SILENCE SWITCH ON PANEL INSIDE
BUILDING. LOW VOLTAGE FLOATS,
SIMPLEX PANELS,
SEE PAVEMENT SECTION MEYERS OR EQUAL.
o 0
0 0
(2) 3/4" GALV. STEEL
/CONDUIT FOR ALARMS.
ALARM AND CONTROL PANEL
TO BE INSTALLED INSIDE
BUILDING. ALARM TO BE ON
SEPARATE CIRCUIT FROM PUMP
"4
INV. IN 28.33'
FLOAT SWITCH
ALARM �ON
SETTINGS: PI IUP AN
•'`'FLOOR DRAINS
. 4
0 G L. SEE PLUMBING
TER INTERNAL 1500 DRAWINGS
NK CONCRETE TANK NOTE: TIGHT TANK IS DEFINED AS A
"DEDICATED SYSTEM" UNDER THE PLUMBING CODE
D USE CEMENT LINED CAST IRON PIPE, PLUMBER TO
MAKE UP CONNECTIONS AND VENTS
H-20 TIGHT TANK
NOT TO SCALE
6" ROOF DRAINS
TIE DIRECTLY TO 12" TRENCH PIPES WITH SADDLE
CONTRACTOR TO COORDINATE EXACT
DOWNSPOUT LOCATION WITH ARCHITECT
LISTED
Nr-= - L
/ 1 1/2" DOUBLE WASHED
STONE UNDERNEATH
O AND BESIDE PIPE
WIDTH AND LENGTHS LISTED
ADJ. G.W.
NOT TO SCALE
LT SECTION A -A
6"+/- DIA. RIP -RAP STONE
STACKED 8" MIN. AVG. THICKNESS
EL. 30.3'
EL. 30.5'
12j�
70OX
100 YEAR OVERFLOW
(ROCK SWALES SIMILAR)
NOTE: FLAT GRADES, CAREFUL GRADING REQUIRED.
MATCH EXISTING GRADES AND SWALES EXACTLY.
CAPE COD BERM
12"X3"INTERGRAL WITH TOP COAT
TO MATCH EXISTING (NOT APPLICABLE THIS SITE)
1.0" TOPCOAT MASS DPW
TYPE II
2.0" BINDER
(2-% SLOPE)
FOUNDATION- 12' -
SYSTEM PROFILE
(NOT 10 SCALE)
MARK CORNERS OF
LEACHING FIELD W/
REBAR SET 4" BELOW
GRADE
W/MULUtU m run L�.cu.w.a STONE U
... a: GAS DEFLECTOR
//
0 0 0 0 0 0 0
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [23)
( % SLOPE) H-20 (fix SLOPE)
SEPTIC TANK - 3' PUMP 64' D' BOX 11' LEACHING
CHAMBER
-
WATERTIGHT, SECURE
COVERS TO GRADE
31.0'
1 DOO GAL. H-20 S U E . ,.
350 GAL+ SLOPE TODRP
RESERVE .25" WEEP HOLE
8" CHECK VALVE
MYERS SRM 4
4" SUBMERSIBLE 4
18" SYSTEM (OR E(
PUMP CHAMBER
(NOT TO SCALE)
WATERPROOF/WATERTIGHT
EXTEND GRAVEL 6" MIN. \ 12" REPROCESSED ASPHALT GRAVEL
PAST EDGE PAVE COMPACT SUBGRADE MDPW SPEC. VIB. ROLLER COMPACTED
ANY FILL TO BE COMPACTED IN 6" LIFTS TO 95% MOD. PROCTOR DENSITY
SUBGRADE TO BE NON -FROST SUSCEPTIBLE MATERIAL (<B% PASSING #200 SIEVE)
NOT TO SCALE
EL. 30.5' PROVIDE 40 MILLINER
3 TOP AT ELEV. 30.5',
1 BOTTOM AT EL. 28.0'±
4"' LOAM AND SEED
NEW ENGLAND
RETENTION BASIN MIX
REMOVE ANY LOAMY
MATERIAL TO CLEAN
SAND, CLEAN
COMPACTED SAND
ONLY UNDER
RETENTION AREA
SYSTEM DESIGN:
1500 S.F. OFFICE ® 75 GPD/1000 S.F. = 113 GPD
6500 S.F. WAREHOUSE ® 15 GPD/EMPLOYEE = 120 GPD
TOTAL DESIGN FLOW ESTIMATE= 233 GPD
SEPTIC TANK: 233 GPD (2) = 466 (FIRST COMPARTMENT)
233 GPD (1) = 233 (SECOND COMPARTMENT)
466 + 233 = 699 GAL REQUIRED
USE A 1500 GAL. DUAL COMPARTMENT SEPTIC TANK &
A H-20 1000 GAL PUMP CHAMBER
LEACHING:
24' x 25' (.74) = 444 GPD
USE A 24' x 25' PIPE AND STONE LEACHING FIELD
ZONE II RESTRICTION
279,188 SF (440 GPD/40,000SF) = 3071 GPD
COMPACTED FILL
UTILIZE WELL GRADED MATERIAL
STRUCTURAL GRAVEL OR SIMILAR
COMPACTED IN 6" LIFTS TO 95% MOD. PROCTOR DENSITY
9" COVER _444
KEYSTONE WALL UUITW IINFR
2% MIN. SLOPE OVER SYSTEM
4LOAM & SEED
30'1 CAP STONE UNITS
1/2" x 5 1/4"
Fiberglass
6"
PEASTONE
COARSE SAND BACKFILL AGAINST
WALL
40 MIL LINER FROM TOP PEASTONE/WALL
TO12' BELOW GRADE
KEYSTONE OR EQUAL RETAINING WALL UNITS
-18"X8" SET WITH 1" BATTER PER ROW
FIBERGLASS PINS REQ.
SHEET 2 OF 2
NOT TO SCALE
fa
6"X30" Crushed Rock or
Unreinforced Concrete
Leveling Pad req.
PERMIT SET NOT FOR CONSTRUCTION
INSPECTION PORT (SEE DETAIL)
18.61' BOTTOM TH-1
USE ADJUSTED
GROUNDWATER O EL
27.21 PER PREVIOUS
TEST HOLES IN AREA
VENT W/ CHARCOAL FILTER
MIN BELOW INV.
BUOYANCY CALCS:
H-10
1500 GAL. ST
WEIGHS
11,480 LBS
3.05'
x 10.5 x 5.67
X 62.4
= 11,330 LBS UP (OK)
H-20
1000 GAL. PC
WEIGHS
14,500 LBS
3.59'
x 9.0 x 5.25
x 62.4 =
10,585 LBS UP (OK)
I FACHING FIELD S' REMOVAL
INSPECTION PORT
SEPTIC AREA DETAIL
SCALE: 1" = 20'
DETAIL SHEET
TO ACCOMPANY
SITE PLAN OF LAND
IN
WEST YARMOUTH, MA
#554 & #550 WILLOW STREET
PREPARED FOR
ARTHUR LUKE, TR.
DATE
OJALA, P.E., P.L.S.
DATE: 2-3-2016
I off 508-362-4541
fax 508-362-9880
downcope.com
down cope engineering, Me.
civil engineers
land surveyors
939 Main Street ( Rte 6A)
YARMOUTHPORT MA 02675
14-134 BASE.DWG