HomeMy WebLinkAbout8 Fruean Ave - Site & Sewage PlanN ASSESSORS MAP. 76
RT 6 PARCEL: H1_
�r CURRENT ZONING: IND.
LOCUS BUILDING SETBACKS:
F: 30' S: 10' R: NA
FROM OLD TOWN HOUSE RA 70'
FLOOD ZONE: _c
OLD TOWN HOUSE RD
7o
LOCATION MAP
LOT 1
24,710 t S.F.
(0.57 f AC.)
DRAINAGE SYSTEM1
5 GALLIES WITH Z IF
STONE ALL AROUND
GRATE ELEV'S = 39D
TOWN OF YARMOUTH
PARKING REQUIREMENTS
5520 SF BUSINESS INDUSTRIAL USE x 1 OCCUPANT/100 SF - 552 OCC.
1 PARKING SPACE12OCCUPANTS s 552 OCCUPANTS - 28 SPACES REQUIRED.
TOTAL SPACES PROVIDED (INCLUDING SPACES IN BUILDING) = 28
HANDICAPPED PARKING SPACES = 2
TREE REQUIREMENT:
1. ONE TREE/8 PARKING SPACES - 4 TREES
Z ONE TREE/20' IN BUFFER AREAS = x TREES
(EXISTING TREES OF AT LEAST 4' CALIPER WITHIN BUFFERS SHALL
BE RETAINED. IF SUCH TREES DO NOT EXIST, 2" CALIPER TREES (WITH
A MATURE HEIGHT OF AT LEAST 20') SHALL BE PLANTED AT INTERVALS
OF AT MOST, 20).
I
f BnvylNOUS CONCRara rOP COARSE
2' BITUMINOUS CONCRETE BINDER COARS
TEST HOLE LOGS
ENGINEER: THOMAS MCLELLAN, P.E.
WITNESS:
AMY VON HONE, R.S.
DATE: 7-28-97
PERCOLATION RATE: < 2 MIN /IN
TH-1
TH-2
4• 0 3/4" - 1 1/2"
4z o
o WASHED STONE
ELEV.
A HORIZON
A HORIZON
LOAMY SAND
LOAMY SAND
9- lOYR 3/3
41.3 9" 10YR 3/3
24' & 36'
B HORIZON
to
B HORIZON
LEACHING GALLIS WITH Z OF O AROUND
ALL
1.5
LOAMY SAND
DRAINAGE AREA GALLIES WITH Z OF STONNE
(24' x 8' x 4' DEEP)
DRAINAGE AREA 2. 8 GALLIES WITH Z OF STONE (36' x 8' x 4' DEEP)
LOAMY SAND
30"
10YR 6/8
39S 30-
IOYR 6/8
C HORIZON
c
�
C HORIZON
FINE SAND
DRAINAGE SYSTEM 2
FINE SAND
2.5Y 7/4
2.5Y 7/4
BENCHMARK AT 1r_ (COMPACTED THICKNESS) PROCESSED
FIRE HYDRANT GRAVEL MEETING MDPW SPdEC. Mf--Wj 138"
TAG BOLT #257 (OR EQUAL APPROVED BT roWN ENcINzz -
ELEV. 412'
40.0
ELEV.
37.5
30.5 120- 30.0
PAVEMENT SECTION I NO GROUNDWATER ENCOUNTERED
EDGE OF p�pRK-ING 43 (Nor TO SCALE)
39.3 40 41
39
b[ENT 140. 39- X43
SEPTIC SYSTEM DESIGN
}, . i 11 2' PEASTONE
Ily
Y BUFFFIR:- E� \ FLOW ESTIMATE: COVERS WITHIN rr of
•. • 0 � BEDROOMS AT 110 CAL/DAY/BEDROOM = 440 CAL DAY 42S roNaSiHID Ccf oN cavaR 314--f 1/'2"
pRppOSED SLAB ELEVATION (ro BE WITHIN 6' of GRADE) HASHED STONE
WAREgpUSE SEPTIC TANK:
K B
UILDIN= 42S
EL. 440 GAL/DAY x 2 DAYS = 880 GAL
I 24' SLAB w 5520 SF) f1
T7 r7
I s
92' USE 1500 GALLON SEPTIC TANK 39.0 ELEV. 37.0
`� 693' �5 BV;) ' ELEV. 36.75 �
38.6 I \ - - - - - - _ _ , LEACHING AREA: ELEV. _
E 37.01500 GAL m ••
USE 4 INFILTRATORS (MAXIMIZER CHAMBERS) Ey, 36.71 D -BOX 36.54 �� 5
i WITH 4' OF STONE ALL AROUND (3T x 1P x 2' DEEP) SEPTIC TANK (6" OF ELEV. 4 4
(6. OF STONE UNDER OR ELEV. STONE E- 37' ---�
® 8* • W/ �- SIDE AREA' (37 +'11)2 x 2 = 192 SF (.74) = 142 CAL/DAY MECHANICALLY COMPACTED) UNDER) 4 INFILTRATORS (MAXIMIZER CHAMBERS)
4 / TEE SIZES: 36S WITH 4' OF STONE ALL AROUND
BOTTOM AREA 37' x 1f = 407 SF (74) = 301 GAL/DAY INLET: 6" UP, 13" DOWN CAS
�LaraFEE ELEV. (37" x 11' x Z DEEP)
L+-+ 39 10' i / �_� °i CAPACITY = 443 GAL/DAY OUTLET. 6" UP, 14" DOWN
T�
10' i 42
24'DRAINAGE SYSTEM DESIGNS
1Z
1. VERTICAL DATUM: ASSUMED FROM QUAD (NGVD +/-)
2. MUNICAPAL HATER IS AVAILABLE.
3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 k H-20
LOADING SPECIFICATIONS.
5. PIPE PITCH - 1/4" PER FOOT, (UNLESS NOTED OTHERWISE).
6. FIRST Z OF PIPE OUT OF D -BOX TO BE SET LEVEL.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE
USE OF A GARBAGE DISPOSAL.
8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE
STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL
HEALTH REGULATIONS.
9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR
TO CONSTRUCTION.
f0. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO
EXCEED 3.0'.
11. DESIGN ENGINEER TO INSPECT AND CERTIFY CONSTRUCTION.
12. ALL STORM HATER RUN-OFF TO BE CONTAINED ON SITE.
SEPTIC SYSTEM SECTION
!;r.,.39.4
37.5
Tg_2 '.
ELEV.
24 TH-1
Ir ALUM. CORK. PIPE o 0
6'
4• 0 3/4" - 1 1/2"
o WASHED STONE
73' pAV KING
.:. 4' ALL AROUND
''
n
� 2_ ELEV.
\ ` AREA CQ
24' & 36'
CATCH BASINS
to
2s
LEACHING GALLIS WITH Z OF O AROUND
ALL
1.5
\..... ... ...
\\... �• .\In
DRAINAGE AREA GALLIES WITH Z OF STONNE
(24' x 8' x 4' DEEP)
DRAINAGE AREA 2. 8 GALLIES WITH Z OF STONE (36' x 8' x 4' DEEP)
b
®
20
tzl
90
c
�
SUFFER
41 �
DRAINAGE SYSTEM 2
8 CALLIES WITH 2' OF
STONE ALL AROUND
GRATE ELEV'S - 39.5
••1
0
: •..:..... ........... . •. •. •... •.. •. •:
39.8
ss
39.7
---.. 120.06'
�_�
X40
X41
39.3 39.5
39.7 EDGE OF PAVE
40.2
OLD
TOWN HOUSE ROAD
KEY
EXISTING CONTOUR:
PROPOSED CONTOUR: ...... • . • • • . • • • ....... • •
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE: -$�-
UTILITY POLE: -0-
FENCE
o-FENCE LINE:
HYDRANT: -6
STORM WATER FLOW: -�
TREE:
im
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET P.O. BOX 463
WEST DENNIS, MASSACHUSETTS 02670
DM # 97-092 (D9F12A)
HEAVY DUTY CAST IRON 4 MIL POLY
FRAME (8-) AND GRATE (H-20) 4" PEASTONE
CAST IRON FRAME
AND COVER
DRAINAGE SYSTEM CALCULATIONS
(DRAINAGE AREA 1 1)
1. AVERAGE RUNOFF COEFFICIENT:
TOTAL IMPERVIOUS AREA (PAVE & ROOF): 4,935 SF
TOTAL 'PERVIOUS AREA: 1,850 SF
C = 0.74
2. RAINFALL INTENSITY:
DISTANCE = 125'
C AVG = 0.74
STORM FREQUENCY = 25 YEARS
1=5S IN /HR
3. CALCULATED FLOW RATE (Q):
Q = CIA
Q = (0.74) (5.5 I /HR) (OJ6 AC) (7.48 GAL/CF) (60 SEC/MIN)
Q = 292 CAL I
4. APPROXIMATE LEACHING AREA REQUIRED:
(292 GAL / MIN) / (0.7 GAL / SF / MIN) - 417 SF
5. USE 5 LEACHING GALLIES WITH Z OF STONE ALL AROUND
SIDE AREA: (24 + 8) x 2 x 4' DEEP = 256 SF
BOTTOM AREA: 24 x 8 = 192 SF
TOTAL = 448 SF
DRAINAGE SYSTEM CALCULATIONS
(DRAINAGE AREA # 2)
1. AVERAGE RUNOFF COEFFICIENT:
TOTAL IMPERVIOUS AREA (PAVE & ROOF): 7,070 SF
TOTAL PERVIOUS AREA: 1,200 SF
C = 0.81
2. RAINFALL INTENSITY:
DISTANCE = 90'
C(AVG)=0.81
STORM FREQUENCY = 25 YEARS
I=61N/HR
3. CALCULATED FLOW RATE (Q):
Q = CIA
Q - (0.81) (6 IN/HR) (0.19 AC) (7.48 CAL/CF) (60 SEC/MIN)
Q=414 GAL/MIN
4. APPROXIMATE LEACHING AREA REQUIRED:
(414 GAL / MIN) / (0.7 GAL / SF / MIN) - 591 SF
5. USE 8 LEACHING GALLIES WITH Z OF STONE ALL AROUND
SIDE AREA: (36 + 8) x 2 x 4' DEEP - 352 SF
BOTTOM AREA 36 x 8 = 288 SF
TOTAL = 640 SF
APPROVED BY: DATE:
37.5
as
fir,
ELEV.
�� G�•t �. �f�
Ir ALUM. CORK. PIPE o 0
6'
4• 0 3/4" - 1 1/2"
o WASHED STONE
61
.:. 4' ALL AROUND
33.4
� 2_ ELEV.
2 SOLID CONC.
24' & 36'
CATCH BASINS
i
(H-20)
LEACHING GALLIS WITH Z OF O AROUND
ALL
1.5
(SOLID BOTTOMS)
DRAINAGE AREA GALLIES WITH Z OF STONNE
(24' x 8' x 4' DEEP)
DRAINAGE AREA 2. 8 GALLIES WITH Z OF STONE (36' x 8' x 4' DEEP)
DRAINAGE SYSTEM(S) SECTION
DRAINAGE SYSTEM CALCULATIONS
(DRAINAGE AREA # 2)
1. AVERAGE RUNOFF COEFFICIENT:
TOTAL IMPERVIOUS AREA (PAVE & ROOF): 7,070 SF
TOTAL PERVIOUS AREA: 1,200 SF
C = 0.81
2. RAINFALL INTENSITY:
DISTANCE = 90'
C(AVG)=0.81
STORM FREQUENCY = 25 YEARS
I=61N/HR
3. CALCULATED FLOW RATE (Q):
Q = CIA
Q - (0.81) (6 IN/HR) (0.19 AC) (7.48 CAL/CF) (60 SEC/MIN)
Q=414 GAL/MIN
4. APPROXIMATE LEACHING AREA REQUIRED:
(414 GAL / MIN) / (0.7 GAL / SF / MIN) - 591 SF
5. USE 8 LEACHING GALLIES WITH Z OF STONE ALL AROUND
SIDE AREA: (36 + 8) x 2 x 4' DEEP - 352 SF
BOTTOM AREA 36 x 8 = 288 SF
TOTAL = 640 SF
APPROVED BY: DATE:
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as
fir,
tr
�� G�•t �. �f�
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CIVII
3 >�8'11
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THOMAS McLELLAN, P.E. I I JOHN Z. DEMAREST JR., P.L.S.
SITE AND SEWAGE PLAN
LOCA TION.•
LOT I FRUEAN AVENUE
SOUTH YARMOUTH MA.
PREPARED FOR:
OMAN CONSTRUCTION f MIKE COT T 0
SCALE: I"= 30' DATE: 9-15-97
REFERENCE: PLAN BOOK 351 PAGE 48