HomeMy WebLinkAboutAce Oil Company - L2 - Sections & Details006No( I /Z /zooF A SEA =
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DRAINAGE AREA SCHEMATIC
(1
17 = 2 0 ' )
DRAINAGE
CALCULATION BASED ON 20 -YR. STORM INTENSITY:
RETENTION
BASIN
SCHEDULE:
THE SCHEDULE -
BELOW. AND SHALL BE 40.006 PSI YIELD STRENGTH.
ALL S'T'EEL
1.
24 -HR.
RAINFALL FOR 20 -YR. STORM = 5.5"
INSTALLA"ION
AND WIRED TOGETHER AT ALL POINTS.
R.B.#
A
B C D
E
24-HR.VOLUME
"B" 9.#6 @,18" O.C., It#4 @
2.
SCS RUNOFF' CURVE NUMBERS: PAVED AREAS AND
ROOF' =
98
1
� 1�
8 -0
, „ , „
1C► -0 21-011 12 -G
t
25.5
700
CU.FT.
F
to
it " LANDSCAPED AREAS
= 25
„ „
"A")
2
8'-0"
10'-0" 2'-0" 12'-0"
25.5'
700
" "
(USDA
SOIL CONSERVATION SERVICE SOIL GROUP
3
81-011
, _ „ , _ 1,
1U 0 2 121-01124.5
700
ll "
'1 #,
3.
STORM
WATER PTJFr)FF FOR DESIGN. STORM:
4
8'-0"
8'-0" 2'-0" 12'-0"
0
23.0'
460
"
„
PAVIN(. ';` ROOF: Q = 5.2
5
8'-0"
lU'-U" 2'-0" 12'-U"
N/A
- 70C►
"
11
LANDS a AREAS: O' = 0.2"
6
8 -0
8 0 2 0 12 0
25.3
46
��
��
3.
''NORM
WATEF' =' '"lES IN RUNOFF AREAS:
7
8'-o"
10'-0" 2'-0" 12'-U"
25.5'
7UU
��
x RUNOFF DEPTH =
RUNOFF
VOLUME
8
g'_0"
10'_0„ 2,_0" 12'-0"
25.5'
700
" "
"A"
2,275 (PAVED) x (5.2/12) =
985
CU.FT.
11
+2,100 (ROOF) x (5.2/12) =
910
11
TOTAL RETENTIOTI BASIN. VOLUME
_
5,120
CU.FT.
+4,000 (L'SCAPED) x (0.2/12) =
70
TOTAL VOLUME FOP. P..B.#1.7,& 8 =
CU.FT
NOTE "A":
RETENTION
BASINS #1, & 7 SHALL BE 18" SQ.
75 LBS, NON -CLOGGING TYPE
OR RND.
FOR USE'IN
1,965
LIGHT
11011 -TRAFFIC
TRAFFIC,
AREAS ONLY, ALL
PRE -CAST PITS
SHALL BE
"B"
3,175 (PAVED) x (5.2/12) =
1.375
CU.FT.
H-20
RATED, MODELS #DW8HD &
DW10HD BY
ROTONDO
&
(TOTAL VOLUME FOR R.B.42 & 3)
SONS
PRECAST PRODUCTS.
"C" 3,300 (PAVED) x (5.2/12) = 1,430 CU.FT.
(TOTAL VOLUME FOR R.B.#4,5,& 6)
TOTAL STORM WATER VOLUME 4,770 CU.FT.
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_-_-_-- INv.: Irv:
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SECTION
(- NTS
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K •' -
P � �' oZ'Tu
5 a rTaLt" 1 1 a °moo o' `e AT AGN WEO?
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0 ov
\A -A'= 14.5 / ; AT : °' o • G . y
5'
� M
GENERAL NOTES - SEWAGE DISPOSAL SYSTEM:
1;3 SLOPE t�•i _/�� 0 I 1. THIS SYSTEM DOES NOT MAKE PROVISIO14 FOR A GARBAGE GRINDER.
2. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH TITLE -5 AND
CC} LOCAL BOARD OF HEALTH REGULATIONS .
/t(' - - - FcbT►r 1:1EV5:
3. ALL COMPONENTS SHALL BE INSTALLED ON A LEVEL, ST ABLE BASE
�'A-A'c (4,0' THAT WILL NOT SETTLE. PIPE SHALL BE LAID ON A FIRM BASE,
N _R ` • '
FREE OF STONES.
PfZOV1DE SWP-T- 4. REMOVE ALL UNSUITABLE SOILS BELOW THE LEACHING AREA AND TO
AT ?P-OP��'TY Lt�E - "' l� ^1\ A DISTANCE OF 10 FEET ON ALL SIDES, AND REPLACE WITH
(NtIN, 18"m X 4" DR) ti ° ° CE> CLEAN, COARSE SAND.
-- %y Wit_ 5. BUILDING SEWER SHALL BE SCH.40 P.V.C.: EFFLUENT PIPE SHALL
ifll•,
1
2" ,,,,. BE SCH.40 P.V.C.
'E-- --- , ---- -> 6_ WASHED STONE AND PEASTONE SHALL BE FREE OF IRON,.FINES, &
c.'_. DUST IN PLACE, WITH LESS THAN 2/10`k FINER THAN #200 SIEVE.
7. ALL COMPONENTS SHALL BE CAPABLE OF SUSTAINING H-20 VEHICLE
LOADS, AS CERTIFIED BY THE SUPPLIER.
8. EFFLUE14T PIPE SHALL BE LAID LEVEL FOR 2 -FT. FROM OUTLET.
SECTION TH RU RETAINING WALLS .9. "AS -BUILT" CERTIFICATION OF THE INSTALLED SYSTEM IS
P.EQUIRED TO BE DONE BY THE ENGINEER PRIOR TO BACKFILL.
RETAINING WALL SPECIFICATIONS:
1. MINIMUM CONCRETE S'rRENG'rH IN COMPRESSION =
3,000 PSI
2. REINFORCING STEEL SHALL BE IN ACCORDANCE WITH
THE SCHEDULE -
BELOW. AND SHALL BE 40.006 PSI YIELD STRENGTH.
ALL S'T'EEL
BAPS SHALL BE SFT 1.5" MINTMTTM FROM SURFACE
OF' CONCRE'T'E.
ALL BAF_S SHALL BE FREE OF SCAT,E AT TIME OF
INSTALLA"ION
AND WIRED TOGETHER AT ALL POINTS.
REINFORCING STEEL SCHEDULE:
"A" VERT. #4 t�48" O.C., HOR. #4 @
18" O.C.
"B" 9.#6 @,18" O.C., It#4 @
18" O.C.
"C" LONG. #4 @ 18" O.C., TRANS. #6
@ 24" O.C.
OlD„ If 44 @ 18" O.C., #6
(2o 24" O.C.
"E". #6 @ 8" O.C. - STOP ALTERNATE
BAPS AT 2' & 5'
ABOVE TOP OF FOOTING.
"F" TWO #6•BARS AT 4" O.C. IN BASE
OF KEY".
3. PVC SLEEVES FOR FENCE POSTS SHALL INCLUDE
A WEEP HOLE OF
1" MIN. DIAM. AT BASF; OF SLEEVE.
JG" 4JIi /A /,C tiiFJGp -
� �I-fU/rliilOU� GC�JG•
/�,�= Go•L7 �,✓P tti
( Ty7' S-1� L
i 1 -7�
1-�AS� MAtE1ZlAT- s>+nL� e:F i�"C-leAv�L (MA• DPW SPEC• M I.03.!
;A' arr`YSE cT+;A��� s�foNEz_cl-7%
SYSTEM DESIGN DAT
A:��
PERCOLATION RATE ,/=" 2 MIN. /INCH 1 BOTTOM AREA = . 144 S'. F.
BOT.LEACH'G.RATE = 1.0 GPD/S.F. 1 SIDE AREA = 51 S.F.
SIDE LEACH'G.RATE= 2.5 GPD/S.F. 1 (48'X 1.08')
TOTAL LEACH'G.AREA = 195 S.F.
DESIGN FLOW RATE (PEP, TITLE 5) = [(1/3 X 2100 X 75 GPD/MSF) +
(2/3 X 2100 X 50 GPD/MSF)3
= 123 GPD
SYSTEM CAPACITY = ( 144 S.F.X 1.0 GPD/S.F.) +
( 51 S.F.X 2.5 GPD/S.F.) = 272 GPD
NITRATE LOADING CALCULATION!
1. TITLE 5 SEWAGE FLOW = 123 GPD.
2. AVERAGE NITROGEN CONCENTRATION = 25 PPM.
3. (123 GPD X 25 PPM) / 328 = 9.38
4. TOTAL LAWN AREA = NONE. (ALL LANDSCAPED AREAS TO BE
MULCHED OR PLANTED WITH GROUND COVE,Z SPECIES
17ITH LOCAL CONDITIONS, AS APPROVED BY D OF HEALTH),
5. 0.0
6. 9.38 + 0.0 = 9.38
7. LOT AREA = 21,197 / 43,560 = 0.49 ACRE.
8. NITRATE LOADING (9.38 X0.275) / 0.49 AC = 5.26 PPM.
u a
7
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AS 54ow&) P,eOV( \VITNoOT 51T. PAVIW_-i SASE 1AATEMIAL. SNALL GE 0.13LGNEIP 51/AiLAF
To - P -O rr-E c- -_5,T211-.
SECTIONS AND DETAILS
QUICK OIL CHANGE BLDG.
84 MAIN STREET
WEST YARMOUTH,* MA.
CHARON ASSOCIATES INC.
CONSULTING ENGINEERS
t 323 NECK ROAD, ROCHESTER, FAA 02770
I'v ,
� D:'1G. NO.
SCALE: AS NOTED
DATE: Ai -MIL 23, )96e-
KEV. 1 . /AAY Z5, 1958. L -
REV. Z: JULY 0,.1988,