HomeMy WebLinkAbout83-1933 - Stormwater Managment DrainagenA ::.
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1NATER MANAGEMENT E INC 1
'STORM � ` f DWE LING
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AND CONSTRUCTION CTI ON NOTES: _
DESIGN GARAGE f
THEy l y
1. THE PURPOSE OF THIS PLAN 1S TO DEPICT THE IATERDANDYOSEWER SE V10ES SHALL I G S #11 DECK
STORMWATER DRAINAGE SYSTEM ONLY. THE PROPOSED THE
i 27 6' s•a'
BE PSERMiTTED BY OTHERS AND IS SHOWN FOR INFORMATIONAL PURPOSES ONLY. LE TRC l ER EXISTING l $ DRAINAGE CALCULATIONS: SYSTEM#1
CONTRACTOR WILL COORDINATE THE RELOCATlOVAOE U TL UTILITY COMPANIESTER, SEWER, , AND DWELLING '
TELEPHONE SERVICES WITH THE TOWN AND PR I 0 10 20 $ 6 60 ELEVATE@ f
DECK STORMWATER MANAGEMENT GUIDELINES:
ELEVATED LOT 48 / 8.6 X ( WHILE THIS PROJECT IS NOT REQUIRED TO MEET STORMWATER MANAGEMENT STANDARDS
2. THE CONTRACTOR SHALL GRADE THE DRIVEWAY ROT ELEVATIONS ATS M ARE�RELATIOVE TO f LOOR 33,472 S•F• J IT DOES FOLLOW THE GUIDELINES AS RECOMMENDED BY DEP.
COLLECTED AT THE SLOT DRAIN. ALL RIM AND 1NVE- LOT y
! STORAGE:
THE PROPOSED INLET RIM ELEVATION. I 30_,775±S.F. SIX (6) PRECAST CONC. GALLEYS (4'X4'X4') 64X6=384 C.F.
ITH SHED CRUSHED STONE: (3/4"-1 1/2" WASHED STONE)
3. ALL ROOF LEADERS SHALL BEDIRECTED
MAINTAINEDOEGALLEY W DRAINAGE DISTRIEUTION PATIO J X 8.0 ,'X8'X12' = 96 C.F.X40%=38.4 ( 1' OF STONE UNDER SYSTEM)
A MINIMUM SLOPE OF 1% WHICHf 2'X4'X40' X 40% = 128 CF. (2' OF STONE ARDUND SYSTEM)
LINES r WOODED' TOTAL STORAGE PROVIDED =384 +38.4 + 12� 550.4 C.F.
' � 8.4 x
4. THIS PLAN DOES NOT DEPICT DEPICT THE EXACT LOCATION OR SIZE OF / x 8.4 REQUIRED STORAGE=12,696 S.F.X.0417(1/2"RU:E)= 529.42 C.F.
EXISTING UTILITIES ON THE SITE OR WITHIN THE STREET. IT IS OFALLUTILITIES.CRS co /
/ J
RESPONSIBILITY FOR VERIFYING AND RECORDING THE LOCATIONf ^�
8.6 g T
5 THE .CONTRACTOR SHALL CONTACT THE CITY FOR THE MARKING OF EXISTING I
DIG -SAFE GALLEY TEM #1 / 1
r 6--4'X4•X4' PRECAST CRETE GA EYS*
MUNICIPAL- UTILITIES, AND .SHALL ALSO CONTACOTF EDATLEASTAT r72g OURS PRIO- ♦ WTH 12" CRUSHED T N ND I
FAX 1-800-322-4844. DIG -SAFE MUST BEN ♦ �24" CRUSHED STONE SURROUND G - �s
TO EXCAVATION. GA�EYS-'°
BOFTGIJ 570NE = 2.0'
CONFORM TO THE 4. WYER7INGGAUiY=60'
0 5. 1N14.RT p °F GALLEY - 7 G'
\ B- • GALLE BY E.F. OR EMAL ) '
6. ALL WORK PERFORMED AS A PART OF THIS PROJECT SHALL C 6 „� WA PIPE S W" Ep ATE) �76V
STANDARD SPECIFICATIONS AND REGULATIONS OF THE TOWN OF YARMOUTH AND ro ♦ o ""' 1
♦ a a I r.; rrr�
ALL APPLICABLE LOCAL AND STATE REGULATIONS. ♦,,:'
o o / .
30 'IRCNCFI �R.VX'.-„IIH�GjtA 7360 - ti y /}�}-_ }'
LS AND ♦ %`. - (EAST JGRR,N IRON. WM _ M' .P ���V�� VVf) -
7. THE CONTRACTOR SHALL SUPPLY ALL PIPING, STRUCTURES, MATERIA L= / DRAINAGE CALCULATIONS: SYSTEM#2
STORMWATER DRAINAGE SYSTEM ♦ 9 3�( ��� .x
APPURTENANCES, NECESSARY TO COMPLETE THE ♦ `:-�Y - �-�' /
INDICATED ON THE PLAN. ,STORMWATER MANAGEMENT GUIDELINES:
AS �.
VATS ��- '- x.' - l' WHILE THIS PROJECT IS NOT REQUIRED TO MET STORMWATER MANAGEMENT STANDARDS
RESERVES THE RIGHT TO INSPECT ALL PRI -` +
8. THE TOWN OF YARMOUTH R _E ��. �~� r CONCRETE BOUND IT DOES FOLLOW THE GUIDELINES AS RECOMM7JDE0 BY DEP_
TO MUNICIPAL FACILITIES.
FACILITIES DISCHARGING FOUND &HELD /
T(. STORAGE:
-
D CONSTRUCTION OF PIPES AND STRUCTURES, = . �.. _ _) •,, �• �� TEN (10) PRECAST CONC. GALLEYS (4 X4 X4') - 64X10=640 C.F.
9. DURING EXCAVATION AN ST CAVE-IN AND _ ECA
LY BRACED TO PROTECT AGAIN �� � '( _ t ``� �'�'Rh� . _ : •�. �� CRUSHED STONE: .F.X -1 7/2 WASHED NE UN
TRENCHES MUST BE ADEUATFr'�L Qa •�•�•�, ,/' 1'X8`X20' = 164 C.F.X4Q%=64 ( 1' OF STONEUNDER SYSTEM)
'lQOQ 4ja 2'X4'X52' X 4D% = 1
66.4 C.F. (2' OF STONE WOUND SYSTEM)
SHALL BE ALL FOCAL AND STATE REGULATIONS. � � � : _.._ ` , . ,.�� d �o T:`..
�c7 ,'.
-' ♦ ' ` `� 8 2 TOTAL STORAGE PROVIDED =640 +64 + 166.L 870.4 C.F.
A SURVEY PLAN BY BSC ENGINEERING, � � �A L -��.�•_ , .I .: � - x-�.-�:.Rxx -._ .: /,
10. PROPERTY LINES ARE BASED ON \
~ .:` ' REQUIRED STORAGE=18,432 S.F.X.0417 1 2"RILE = 768.61 C.F.
T PLAN DATED JUNE 29, 2012. DRIVEW - (� )
PLO = � ��Qj o� �
�\ =. ~ 1�1\fit-rf,.-%fi. `4`-+ r !'`I :•moi �'
1. ALL EXISTING UTILITIES SHALL BE CUT AND CAPPED AT THE MAIN IN THE STRFr. \\
1
INSTALLATION OF CRUSHED STONE BED, IF BLUE CLAY OR OTHER UNSLTABLE `
12. DURING ♦ I J v
BACKFILL WITH � � I � x � � 1�� Iq ' GgRA� �
MATERIAL IS ENCOUNTERED, THE CONTRACTOR SHALL REMOVE 'A -� BIT. ❑ tY,/
CRUSHED STONE. f P E I �
��, o ✓ t' i
�\� \ \ ❑ x
13. ALL PERFORATED PIPE SHALL BE ENCASED IN A MIN. OF 12" CRUSHED S IONS. ❑ i <�,, �� ;,' : �Q r
/ rn' ' `� ..1. [ f l 9 x �. I\\. �.� - va °: 1*
1� EF #EI.q�I yNL �.-
"CRAWL
SPACE"
BOT OF FOOTING
afv-
6.35'
NOTE -
FEMA REQUIREMENTS FOR FLOOD VENTS AS RELATED TO
THIS PROJECT ARE AS FOLLOWS:
1) 1" OF VENT FOR EVERY SF. OF ENCLOSED AREA S"JEJECT
TO FLOODING & A MINIMUM OF TWO OPENINGS:
4,357 SF. OF AREA X 1"= 4,357 SI. REQUIRED
2) SMART VENT #1540-521 IS DESIGNED FOR PROVIDING
800 SF. OF AREA.
3) DESIGN THREE FLOOD VENTS EACH USING TWO #1540-521
WHICH PROVIDES 1600 SF. (800X2=1600SF.)
4) THREE FLOOD VENTS PROVIDES A TOTAL OF 1600 SF.X3=
4800 SF. WHICH IS OVER THE REQUIRED 4,357 SF, MIN_
5) SEE SITE PLAN FOR LOCATION OF THREE FLOOD VENTS
GRANITE BLOCK RETA'N!N(WALL
(SEE SITE PLAN)
RATED Q 400 SF. EA.=1600 SF.
WITH WATER TIGHT COLLAR AS PER
MANUFACTURERS SPECIFICATION
(STAINLESS STEEL)
FEMA FLOOD VENT CROSSECTION FOR CRAWL FACE
N.T.S.
FLOOD WATERS
INLET & OUTLE)/
CONTROLLED BY
SMART VENT (4-#1540-520)
36" ADS INV.
ELF' V. = 7.�)
ISOLATED
VEGETATED
WETLAND
ter .•- vr- #9
RUSHED STONE
/4" - 1 1/2' (TYP)-
WF#a\
FILTER, FABRIC OVER
3' OF PEASTDNE----i
2' (TYP)
SURROUNDING-�
V,'; r5 \ GALLEY
ISOLATED
VEGETATED
WETLAND
BU-TTOMOF
TYPICAL GALLEY & SUBSURFACE DRAINAGE SYSTEM
N01 TO SCALE
r ; xr '� / � - : '; ', 1 GALLI Y V (TYP)
QNDER
# L EYVTA/EE_ 4'X4'X4'
PRECAST C GA LE `
ti'FAL--A- /
70
1`12
147.3
13
oJECT:
316 GREAT
ISLAND ROAD,
W. YARMOUTH,
MA.
CLIENT:
MR.. & MRS.
PETROWSKI,
316 GREAT
ISLAND ROAD,
W. YARMOUTH,
MA.
DRAWING TI'T1 1�:
DRAINAGE
PLAN
�$
+ngoR
PROFIT , SIONAL
I
DRAWING NO.
D.C.ORWIG 1 "=20' 6--29-2013
BRAWN BY PR11vIj1RY SCA1,E DRAWING DATE
3.=
Ay
ORWIG Associates
Engineering
Planning & Surveying
Landscape Architecture
9 South Pasture Lane
P.O. Box 21.32
Duxbury, MA 02331
Phone: (781)934-6039
E-mail: Dan_ orWig@hotmO.com
STORMWATER
MANAGEMENT
DRAINAGE
PLAN
SITE PLAN
AMENDMENT
TO ORDER OF
CONDITIONS
FOR SE 83-1933
NO. REVISION DATE
DRAWING TI'T1 1�:
DRAINAGE
PLAN
�$
+ngoR
PROFIT , SIONAL
I
DRAWING NO.
D.C.ORWIG 1 "=20' 6--29-2013
BRAWN BY PR11vIj1RY SCA1,E DRAWING DATE