HomeMy WebLinkAbout2013-05-07 Planning Board Supplemental Materials (33) ti
3 GUTTERS AND DOWNSPOUTS •L
2$ I' 9"MIN.OF WILL BE INSTALLED TO COLLECT
APPROVED FILL ALL ROOF RUNOFF FROM THE
ROOF LEADER
j C-6 II (UNPAVED AREAS) FINISHED GRADE INFILTRATION DIRECT
AREAS. INTO THE
' 7 ' OVERFLOW PIPE
2.5"ASPHALT
i 1 I I
INSPECTION PORT:
SPLASH BLOCK 6"PVC RISER WITH 14"MIN.OF 85%
I ----- -'
END CAP TO WITHIN COMPACTED GRAVEL
6"OF FINISH GRADE (PAVED AREAS)
90.711
ACTUAL
C
€7fLAND C-5 II i %Y LENGTH LOCO`
Y 4
i
i
C-4 ti I ®®� 85.4" rL
' ---- "- l / AASHTO M288 CLASS 2 INSTALLED
C-3 NON-WOVEN GEOTEXTILE •� r' �1
z 1611
It
Li
' // % ` ; % z 611 STONE 3411 rL•
C'-2,/ ,/ (/ �° ; ; ; / z BORDER STORMTECH SC-310
6"BASE STONE 1-1/2"-2"f7�
C-1 /' /' ~ / I I 1 Co O (TYPILL .) CLEAN WASHED BROKEN STONE
'' I NOMINAL CHAMBER SPECIFICATIONS L
USE SHEA FOR SEDIIMENT SUMPTEM *SEESIZE (W x H x INSTALLED LENGTH) 34.0"x 16.0"x 85.4" '•`
1 / "'SEE STORMTECH'S DESIGN MANUAL
MINIMUM INSTALLED STORAGE 31.0 CUBIC FEET
I WEIGHT 35 LBS.
DOWNSPOUT AND STORMTECH SC-310 ,•,_. •ti
i FOR STORMTECH
/ \ G� ; ; I ; FOR ROOF RUNOFF INFORMATION CALL 1-888-892-2694
�� ti ,o� �� ;' 1 Gougl Map data (9 2011 Goo! I
NOT TO SCALE
STORMTECH SC-310 LOCUS MAP
NZ -----------1 00010
NOT TO SCALE
I I
LOT 1 ROOF RECHARGE
n. s.
CALCULATIONS: LOT 2 ROOF RECHARGE 20' MIN.
I � � CALCULATIONS
LIMIT OF WORK i `� �� ,\ FOOTPRINT AREA= 1851 SF
\ 180 ___' i �� �� \ RECHARGE VOL. = (0.5")(1'/12")(1851 SF)
77 CF FOOTPRINT AREA= 1837 SF
RECHARGE VOL. = (0.5")(V/12")(1796 SF EXISTING 10'
' \ VOLUME PER SC-310 CHAMBER = 765 CF ) GROUND 10 MIN.
o \ �� ` =31 CF/CHAMBER VOLUME PER SC-310 CHAMBER MIN.
----- =31 CF/CHAMBER
VOLUME OF VOIDS IN STONE UNDER CHAMBERS
� X = (0.40)(0.33')(8.12')(3.83')=4.1 CF
VOLUME OF VOIDS IN STONE UNDER CHAMBERS
VOLUME OF VOIDS IN STONE AROUND CHAMBERS 2 TO 4 CRUSHED
_ (0.40)(11 SF)(1.33')=5.8 CF = (0.40)(0.33')(8.12')(3.83')=4.1 CF STONE, TO A MINIMUM
l o-
LOT \\� \\� '� 1 ,� TOTAL AVAILABLE STORAGE VOLUME/CHAMBER VOLUME OF VOIDS IN STONE AROUND CHAMBERS DEPTH OF 6"
/ o = 31 +4.1 + 5.8=40.9 CF = (0.40)(11 SF)(1.33')=5.8 CF
_ opo TOTAL AVAILABLE STORAGE VOLUME/CHAMBER
AREA - 90,646 S.F. ''I 'ii 1�1 '� '\ NO. CHAMBERS TO BE USED =2 = 31 +4.1 + 5.8=40.9 CF
ROOF RUNOFF
INFILTRATOR N i ` TOTAL STORAGE AVAILABLE 80.2 CF NO. CHAMBERS TO BE USED =2
w �� CRUSHED STONE CONSTRUCTION ENTRANCE
�\ FND DRAI TOTAL STORAGE AVAILABLE 81.8 CF
RYWELL i o oZ cy / ROOF RUNOFF INFILTRATION CHAMBER THE CRUSHED STONE ENTRANCE SHALL BE MAINTAINED IN A
MAINTENANCE CONDITION THAT WILL PREVENT TRACKING OR FLOWING OF
SILTATION SEDIMENT ONTO THE ADJACENT ROADWAY.
1. INSPECT CHAMBERS AFTER EVERY MAJOR STORM IN THE FIRST CONTROL
FEW MONTHS AFTER INSTALLATION TO INSURE PROPER STABILIZATION ° , FENCE '' TWO 1"x 1"X 3'
AND FUNCTION �\ °I ° 0 STAKES IN EACH BALE z
v I I o
PROP EE I I I i I ARIES- 3/4"TO 1-1/2"STON'
oU 6 0 I w ARIES w VARIES LL
If
ToF,18 - I 2. INSPECT THE CHAMBERS 72 HR AFTER STORMS QUARTERLY FOR 3: ° ° L, � o
THE FIRST YEAR TO DETERMINE THAT ALL OF THE WATER HAS o ° o o SILTATION
DRAINED FROM THE CHAMBER 0 0 - vARIEs� _ coNTROL
�.- / / p ° RUNOFF O 0 i FENCE
V,TOP COURSE
I / / //' / \�� \N� w HAY BALES ° O w Np 2"BINDER 4"DENSE
ro Burr � GROp GRADED STONE
/ `� ---- I 3. INSPECT THE CHAMBERS ANNUALLY 72 HOURS AFTER A STORM TO TOGETHER ° �s�`NG
/ LIMIT OF WORK \ i- DETERMINE IF THE WATER HAS DRAINED I M EX 3' GRAVEL
/ If/ ,/ �/ / PLAN SECTION
l i i � 4. IF THE INSPECTION REVEALS THE CHAMBERS ARE NOT SILTATION CONTROL FENCE
/ �A / ,/ ---- BACKED BY STAKED HAY BALES 1"X 1"OAK STAKE(TYP.)
�' �/ / ,'� 194 - FUNCTIONING PROPERLY CONTACT A STORMWATER PROFESSIONACl
L
-- WIRE TIE(TYP.)
cd , / �' 0 i TO DETERMINE WHAT ACTIONS ARE NECESSARY.
I I l l l LOT I \X i 3'MIN. 6
A L
1 i l UNDI TURBED IL -
1° I I qqo / I � � � l �"� - EXISTING
DRIVEWAY DETAIL
5'MAX. PROFILE NOT TO SCALE
SEDIMENTATION CONTROL DETAIL
NOT TO SCALE DRIVEWAY RUNOFF TREATMENT STRIP MAINTENANCE
1 I
1. INSPECT CHAMBERS AFTER EVERY MAJOR STORM IN THE FIRST FEW MONTHS AFTER
�jo6''LG' ��\ N\ \��� �I i i i INSTALLATION TO INSURE PROPER STABILIZATION AND FUNCTION
61
2. INSPECT THE TREATMENT STRIP 72 HR AFTER STORMS QUARTERLY FOR THE FIRST
YEAR TO DETERMINE THAT ALL OF THE WATER HAS DRAINED FROM THE STONE
I NOTES:
3. INSPECT THE STRIP ANNUALLY 72 HOURS AFTER A STORM TO DETERMINE IF THE
DRI V AY `� ` PROOF R , OFF ` I 1. THE SUBJECT PROPERTY IS LOCATED WITHIN THE TOWN OF NORTH ANDOVER
� � I i WATER HAS DRAINED
1\ lNFIL�TRATlO AICA ! �` FIL TRA
#4 WATERSHED PROTECTION DISTRICT AND SUBJECT TO THE REQUIREMENTS OF SECTION
11 N ,o / 4.136 OF THE TOWN OF NORTH ANDOVER ZONING BY-LAWS.
4. CLEAN DEBRIS FROM STONE AS NECESSARY
O
9u,, `\ i 2. THE SUBJECT PROPERTY IS NOT LOCATED WITHIN FLOOD ZONE A OR V AS DEPICTED ON 5. REPLACE SURFACE STONE IF IT APPEARS TO BE FILLED WITH SEDIMENT
FLOOD INSURANCE RATE MAPS COMMUNITY-PANEL NUMBER 250098 0003C&250098 0006C
i REVISED THROUGH JULY 3,2012.
4. IF IT APPEARS THE STRIP IS NOT FUNCTIONING PROPERLY CONTACT A STORMWATER
3. ANY FERTILIZER USED ON THE PROPERTY IS TO BE PHOSPHORUS-FREE AND PROFESSIONAL TO DETERMINE WHAT ACTIONS ARE NECESSARY.
it �� NON-ORGANIC PESTICIDES AND HERBICIDES ARE PROHIBITED ON THE PROPERTY.
LEGEND ,i ;'� - ASSESSOR'S REFERENCE
4. IN AREAS OF NEW LAWN AREA THE SOIL SHOULD BE WELL AERATED, THERE SHALL BE A
MINIMUM OF 6 INCHES OF TOPSOIL, AND WHERE POSSIBLE NATIVE VEGETATION SHOULD 37B LOT 9
PROPERTY LINE W LENGTH 303+/-' -''' ',�'�' `\ ° / \'I BE PLANTED TO MINIMIZE THE NEED FOR FERTILIZER AND WATERING.
WETLANDS _ �.��,� �\ 5. COPPER GUTTERS AND DOWN SPOUTS ARE NOT TO BE USED IN THE CONSTRUCTION OF
_ CONSTRU TIO I \ THE HOUSE SITE DEVELOPMENT PLAN
25'OFFSET FROM WETLANDS - -� TRANC � I �� �\ I FOR
25'
FND DRAIN �� k, i `O 6. THE CONSTRUCTION SEQUENCE THAT APPEARS ON THIS PLAN SHALL BE FOLLOWED WATERSHED SPECIAL PERMIT
50' OFFSET FROM WETLANDS 50� I ' I ? '
,� RYWELL � I �,�
7. THE STORMWATER SYSTEMS SHALL BE MAINTAINED ACCORDING TO THE ATTACHED
100'OFFSET FROM WETLAND- 100' 100 ��` \ N SCHEDULE 100 DALE STREET
SII�Fl591�� DRI VEWA Y ' �, \
CONTOUR WITH ELEVATION RATION AR A� LOCATED IN
180 - - RIM=186.4�� CD
1 8. ALL WORK ON THE PROPERTY AND FUTURE MAINTENANCE SHALL CONFORM TO THE o
INV.171.00 Hit! �S7% \ 'k1 \11 o ORDER OF CONDITIONS FOR THIS PROPERTY AS ISSUED BY THE NORTH ANDOVER NORTH ANDOVER, MA. o
2FT CONTOUR - ' \ ti 1 PLANNING BOARD ;
DATE:APRIL 4, 2093 �
+ '/ ` .,OSEPH BAND CARROL J'CONNi ` �I
I
SITE PLAN I ` 100 DALE STREET NORTH ANDOVER MA 'o
MESSINA DEVELOPMENT
40' 0' 40' 80' / I `�
i v0
/ _ PROFESSIONAL ENGINEERS & LAND SURVEYORS' L
SCALE: 1 40 I ` CHR/S T/A NSEN & SERGI, N L
I R/ - 160 SUMMER STREET, HAVERHILL, MASSACHUSETTS 01830 N v
INV.172.70 WWW.CSI-ENGR.COM TEL. 978-373-0310 FAX 978-372-396( ox