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�\ PLAN BOOK 326 PAGE 22
ROUTE 6A 1895 S.H.L.O PLAN, SHEET 8
DEED BOOK 2776 PAGE 322
ASSESSORS' MAP 125 PARCEL 39
LEGEND
- - 32 EXISTING CONTOUR
32 PROPOSED CONTOUR
X12.34 EXISTING SPOT GRADE
PO 24x5 PROPOSED SPOT GRADE
/ VEGETATION TO BE CUT BACK WITHIN SIGHT EASEMENT M1 DRY WATER QUALITY SWALE CONNECTED TO - yy- WATER SERVICE LINE
AREA AS REQUIRED TO ALLOW CLEAR AND CONTINUOUS STORMWATER MANAGEMENT SYSTEM. EXCESS FLOW
/ VEHICLE SIGHT DISTANCE FROM THE PROPOSED INTERSECTION. CONTINUES TO LEACHING FACILITY. _E - UNDERGROUND ELECTRIC SERVICE
0���� / BOTTOM OF SWALE=48.5± � TEST HOLE /BORING LOCATION
OUTLET RIM=50.0±
A` /\ OUTFALL PIPE (WITH SPLASH PAD)=50.5±(MIN.) ST SEPTIC TANK
Q/ "\o�DB DISTRIBUTION BOX
N / Top of Mass Highway Bound 28' X 14' STORMWATER LEACHING FACILITY: SAS SOIL ABSORPTION SYSTEM
(2) 6'0 X 6' LEACH PITS, 14' ON CENTER
Mass. Coord. System: Reserve RESERVED FOR FUTURE
N: 2720847.75 WITH STONE AROUND
/ E: 1006864.30 INLET INVERT=47.0± Cob UTILITY POLE
NAVD88 Datum: BOTTOM OF LEACHING=42.0± ® CATCH BASIN
4z Qa" EL=53.4± WOODEN GUARDRAILS `Cr FIRE HYDRANT
/ @ SLOPED AREA ® DRAINAGE MANHOLE
/ s s Back of Berm -
■ CONCRETE BOUND, FOUND
- --------- (1) MANHOLE -x-x- LIMIT OF WORK
p D (CL TO CL) -\ paved RIM=54.0±
.-40 .09 TO HOCKA O _ _ Drive INLET INVERTS=51.0± FENCE
( / _ _R0 - - - s OUTLET INVERT=50.9±GUARDRAILS
Back of Berm Q�--� (40' Wide-Sta e Highway)
351.06 `-,,
^� EDGE OF CLEARING
\ � o
� Fii�D / 4730 06'7-0
E__1 ROOF RUNOFF DRYWELL
Ed e of Pavement ��SIGHT EASEiV1E ^52 _ \ ` _
\ �w `
---- -- ---- -- - / yo Q -
9j 0p ARD REACH (CL TO cLvement �
Back of B� - - - - - 48x5 s /
o / / / / / I - LU 50 "� aved )_�- Ss
/ / Q U I ullo
40 /> /-x�x x z RESERVE h /p / /SOW% / �- tp a
fiP1 / / / / / / / �4- v 0 /POIN 0 60 ri 58 --------------
1 1.0 ----
rT,
�Q> I 13,18T�F± 'D +1 /
�' OPEN SPACE / LU
o%' �`�'��°X" / I ► I
TOTAL AREA 38,328 SF± I �� p� / m o I
\ WETLAND = 45 SF± I� / / u a 1 C
rp \ I / 15s I �_- J� I (2) CATCH BASINS
rT1 ` UPLAND = 237,783`SF± I /( / I \ o x 25' RIM=53.8±
OUTLET INVERT=51.3±
DRY WATER \ I / /a�� 60 _
\ � u� I � ��. � I _ 62
QUALITY SWALE - 2 F± I sG D
i x ROOF RUNOFF DRYWELL (TYPICAL)
�� CULTEC RECHARGER 330XLHD
(2) UNITS IN SERIES (15.5'x 4.33') Q
TOTAL OF (4) UNITS PER DWELLING
DRY WATER I l�� 58 o I u� x\ M
v
QUALITY SWALE / / /
�+ x D
X 60
\ /
� OT j =
I IGH ��
Ir -7 1 V / ` I OINT 1 25 SF x
rI TP4 h ---__
/^/ \ 4� ,, J OT 2 x (2) CATCH BASINS W/ CASCADE GRATES
(2) CATCH BASINS W/ CASCADE GRATES / \ (° \ t o w RIM=52.2±
RIM=43.6± f T% / / 16 1 $F+ OUTLET INVERT=49.7±
OUTLET INVERT=41.1±
OTI L 1 ��� �� m �6 In (1) MANHOLE
N \ /r u RIM=52.3±
(1) RIM
1)RIMMANHOLE HOLE / /� \ X20,691 S�+ SF± Q iZ OT 1 I - INLET INVERTS=49.5±
INLET INVERTS=40.9± 3 ^ \ \ j / \ 1 I Y / do I \ OUTLET INVERT=49.4±
1I 1
OUTLET INVERT=40.8± v \, Y 60
I � ��- z ti, 34 S F± r/ (1) CATCH BASIN
o RIM=54.0±
o \ LI'I �Y-Y,� �� EA�M�T� f•� m 58 _ - " OUTLET INVERT=51.5±
SCOPE I I I -
0 50 -040 � J / x /251
m O LU
+ i� / `'°
14, F- / DRY WATER
(1) MANHOLE �� C' ; 1 / I C=] G
J QUALITY SWALE
RIM=39.9± c_ \ O o�� i �� a6
INLET INVERT=37.5± \ \
OUTLET INVERT=37.4± 32 \ T 13 Lbw I /
o �• SL P EASEMENT
DRY WATER \ POINTLn
QUALITY SWALE
1 MANHOLE \
� I I
RIM=38.6±
INLET INVERTS=35.5±
OUTLET INVERT=35.4±
(2) CATCH BASINS om d 3+� _ �3-\ / \ \I� l I I I I I\� /+ o I SS
v+j
OUTLET INVERn=35/ .7± I
M2 DRY WATER QUALITY SWALE CONNECTED TO ss \ I 330 / �3G / \ / / / / / 6 / I y �X\X I I I
o l / r\ o I
STORMWATER MANAGEMENT SYSTEM. Qo � \ � OAS � � � / / 5 /
EXCESS FLOW CONTINUES TO LEACHING FACILITY
BOTTOM OF SWALE=33.0_ \ \ F� /
OUTLET RIM=34.5± 40 ✓ F� - - 0 / / / I u, x TP5
OUTFALL PIPE (WITH SPLASH PAD)=35.0±(MIN.) Q \ \ ` Q
JCv °O / DRY WATER
O� �� \/ 2 / I Q>X, \ X / QUALITY SWALE
WOODEN GUARDRAILS \ \ %t / A� / /�/ - C,y,
@ SLOPED AREAS
70'X 28' STORMWATER LEACHING FACILITY:s \ + + SFS'
(10) 6'0 X 6' LEACH PITS, 14' ON CENTER s \ X3,24,4 - �EE�\Nk +
WITH STONE AROUND \ \ \ \
INLET INVERT=31.5± s6 \ \ \\ SOF /- /i`� 58 \ 1
BOTTOM OF LEACHING=26.5±
�XX
\D MIXT +
\ \ l � TPs F ORK
\\\\ \ /�+//1] �l/I \7 \
ROOF RUNOFF DRYWELL (TYPICAL) \ \ \ ~ \ X�-x o f �j�J0 % �- R DWELLING l , / . \ / \
CULTEC RECHARGER 330XLHD /� \ \ E\Mli / \ I / �}� OF EL=65 p± �� / 4
(2) UNITS IN SERIES (15.5'x 4.33')
TOTAL OF (4) UNITS PER DWELLING I I \ \ I _ `r ��/ 1p �O \1 / , l / 41111 DWELLING
LOT I � � /� � L 65.0LIL�E±
N STREET
LO \ \ 1 / / / I I (40 Town Way)
6R
�I
712
p
N TOWN pF YAR OU WATER EASEMENT
s2 So
ASEMENT -
YARMOUTH,
NOT TO SCALE
� ELECTRICAL EASEMENT ASEMENT
so' WIDE 1?o
• �� IN
v�e� _
-
1
_ / -
r e ated Wetland
Edge of Ve8 Wetlands Layer)
,dam (Per Mass IS DEP �
alb '� ami
All,
#2936B
200.21'
0 50 100 150
SCALE 1" = 50'
G:\AAJobs\THE DAVENPORT COMPANY -ROUTE 6A-YARMOUTHPORT\DWG\Definitive Site PIans.dwg
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N
IW
Top of Concrete Bound
Mass. Coord. System:
N: 2720127.39
E: 1007783.51
NAVD88 Datum:
EL=29.1±
___4VC B,
FND C4
THE DAVENPORT COMPANIES
20 NORTH MAIN STREET, YARMOUTH, MA
GRADING & DRAINAGE PLAN
LOT 2- ROUTE 6A- YARMOUTH -PORT, MA
o� �� J.M. OTEILLY & ASSOCIATES, INC.
�OQ�� Professional Engineering & Land Surveying Services
1573 Main Street - Route 6A
P.O. Box 1773
(508)896-6601 Office Brewster, MA 02631 (508)896-6602 Fax
DATE: SCALE: BY: CHECK: JOB NUMBER:
8/31/2022 As Noted RFR JMO JMO-8807