HomeMy WebLinkAbout74 Crowell Road - Site PlanLEGEND PROPOSED SYSTEM PROFILE
100.0 PROPOSED SPOT ELEVATION TOP FNDN. AT EL. 16.0'±
(NOT TO SCALE) _ NOTES oute 28
„ MAGNETIC TAPE OVER ALL PLASTIC COMPONENTS FOR FUTURE LOCATION -
100x0 EXISTING SPOT ELEVATION ACCESS COVERS TO WITHIN 6 OF GRADE ///--- ACCESS COVER (WAIERT:GHT) TO PROVIDE INSPECTION PORT TO WITHIN 3' OF FINAL GRADE
MINIMUM .75' OF COVER OVER PRECAST WITHIN 6" OF FIN. GRADE (C.I. COVER TO GRADE IF PAVED) LOCUS
100 PROPOSED CONTOUR 9` 15.2' 25 SLOPE REQUIRED OVER SYSTEM 13.1' 1. DATUM IS APPROXIMATE NGVD
100 EXISTING CONTOUR 13.1' /� RUN PIPE LEVEL �� 2. MUNICIPAL WATER IS EXISTING
PROPa(H
%-FOR FIRST 2' 2' DOUBLE WASHFID PEASTONE
GAL�r}�-�{1�/ OR GEOTEXIILE FABRIC 3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
CP EXISTING CESSPOOL 12.81' TAns 6'suMP � 12.1' 4. DESIGN LOADING FOR ALL PRECAST UNITS TO BE AASHO11.67 ![s� ee�s i�ADJ.. cRan+owAlm ELEv. 5.8' DEPTH OF FLOW = 4'AFFLE 11.84' �� c"6,�3 �8 H 20 f IL4r M®
3.0' AT SIDES
FY
WEE SIZES: 5. PIPE JOINTS TO BE MADE WATERTIGHT.
10 DBDX (H-20) 3.25' AT ENDS, -p
INLET DEPTH - 6' CRUSHED STONE OR MECHANICAL c�o I_ Lewis
OUTLET DEPTH = 14" COMPACTION. (15.221 [2D oo�b 10.8 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
3/4" TO 1 1/2" DOUBLE WASHED STONE MASS. ENVIRONMENTAL CODE TITLE V. Bay
HIGH CAPACITY INFILTRATOR (H-20) 7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
( 2_5 % SLOPE) (-I- % SLOPE) (1 % SLOPE) BE USED FOR ANY OTHER PURPOSE.
FOUNDATION 10' SEPTIC TANK 72'LEACHING " SCALE T = 2,000'
D BOX 6' FACILITY 5 8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4 PVC. ASSESSORS MAP 23 PARCEL 335
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED LOCUS IS WITHIN FEMA FLOOD ZONE "B"
WITHOUT INSPECTION BY BOARD OF HEALTH AND PERMISSION AS SHOWN
ADJ. GROUNDWATER EL. 5.8' OBTAINED FROM BOARD OF HEALTH. ON COMMUNITY PANEL #250015 0005 D
DATED JULY 2, 1992
10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING MAX BUILDING COVERAGE: 25%
DIGSAFE (1-888-344-7233) AND VERIFYING THE LOCATION HOUSE & SHED: 1655 S.F.±
OF ALL UNDERGROUND & OVERHEAD UTILITIES PRIOR TO LOT: 7201
COMMENCEMENT OF WORK. COVERAG . 22.9%
11. EXISTING SEPTIC SYSTEM SHALL BE PUMPED AND FILLED ZONE: R 5 SETBACKS:
WITH CLEAN SAND OR PUMPED AND REMOVED. FRONT: 30'
SIDE: 15'
PROVIDE VENT WITHFINAL NAL x12.05 12. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE REAR: 20' (N/A)
FILTER AND BUGSCREEN EN (FINAL
PLACEMENT WITH HOMEOWNER REMOVED 5' AROUND AND BENEATH THE LEACH AREA.
CONSULTATION) 13. SEPTIC SYSTEM TO BE REPLACED IN SAME AREA AS FIGS COPY
/ PROPOSED IF OR WHEN FAILURE OCCURS.
5' REMOVAL OF UNSUITABLE SOIL
REQUIRED AROUND PERIMETER OF
LEACHING FACILITY, DOWN TO
SUITABLE SOIL LAYER. REPLACE
WITH CLEAN MEDIUM SAND.
Scale:1 "= 10'
0 5 10 15 20 25 FEET
DCE ##06-094
A10.67
APPROVED DATE
SYSTEM DESIGN:
GARBAGE DISPOSER IS NOT ALLOWED
DESIGN FLOW. 3 BEDROOMS ® 110 GPD = 330 GPD
USE A 330 GPD DESIGN FLOW
SEPTIC TANK: 330 GPD (2) = 330
USE A 1500 GAL. SEPTIC TANK
LEACHING:
SIDES: 2 (44 + 8.83) (.83) (.74) = 64.9 GPD
BOTTOM 44 x 8.83 (.74) = 287.5 GPD
TOTAL- 474 S.F. 351 GPD
USE (6) H-20 HI -CAP INFILTRATORS
WTH 3.25' STONE AT ENDS AND 3' AT SIDES
TEST HOLE LOGS
VARIANCES
310 CMR 15.405(1)(a) REDUCTION OF
LEACHING SYSTEM LOCATION SETBACK
FROM PROPERTY LINE:
FROM 10' TO 5.2'
310 CMR 15.405(1)(b) REDUCTION OF
LEACHING SYSTEM LOCATION SETBACK
FROM CELLAR WALL:
FROM 20' TO 17.4'
(RESERVE: 20' TO 8.9')
310 CMR 15.405(1)(g) REDUCTION OF
LEACHING SYSTEM LOCATION SETBACK
TOWATER,LINE: -
SLEEVED (IF NOT RELOCATED 10')
TITLE 5 SITE PLAIN
ENGINEER: DAVID FLAHERTY, R.S. OF
WITNESS: AMY VON HONE, R.S., C.H.O. 74 CROWELL ROAD
DATE: APRIL 27, 2006 WEST YARMOUTH, MA
PERC. RATE _ < 2 MIN/INCH
PREPARED FOR
CLASS I SOILS P#
JAMES O'MALLEY
I� ELEV. ELEV.
0" 4 11_7' 0" 11.7' DATE: AUGUST 18, 2006
A A REVISED DATE: OCTOBER 19, 2006 (BOH)
LS LS
10YR 4/210YR 4/2
14" 10.5' 12" 10.T
B B Yarmout' I'er1:'_* r2.2rtrnent
LS LS
I'pr7
Q k
40" 10YR 5/6 8.4. 42" 10YR 5/6 da,
8.2'Name �
T-
C1
MS
PERC 10YR 6/6
----- -----------}-- ADJ.. GROUNDWATER 5.8' C C VeD
91" OBS. GROUNDWATER 4.1' A10 0 8 2006
C 120" 1.7' ey. Bur+.OhV
MS C2 �._OE�z
10YR 6/6 VFS
96" 3.7' >120 2.5Y 5/3 >1.7'
off 508-362-4541
OBS. WELL MIW-29, ZONE A fax 508 362-9880
DATE: APRIL, 2006
ADJUSTMENT: 1.7'
do wn cape en gin e erin g, inc.
`-- o u
Cl VIL ENGINEERS
rrIL7
APLAND SURVEYORS
a;=.A 939 Main Street - YARMOUTHPORT, MASS.
No 253• --tet %¢
, MA
BOARD OF HEALTH
06-094 O'MALLEY.DWG (DDF)
FILE COPY