HomeMy WebLinkAboutPlanpropose driveway
elevation 432.2'
Undergro n utl ices
30" below Culvert 24" cove
SIM
�= — -- up stream
R profile
. � Center line
profile
down stream
profile
HDPE PIPE
0-50 0+00 0+50
Stream Crossing Profile A -A°
(nts)
HAY BALE — STAKED IN PLACE
WITH 1" X 1" X 3 FT. STAKES.
EXISTING GRADE
6 FT. APPROX.
EXCAVATE 2° TO 4" DEEP
TRENCH TO SET BAt 1 S,
ELEVATION EL ATION
BALES TO BUTT , o l
TOGETHER
}) j' --TOE OF SLOPE
it
1" X 1" X 3 FT. STAKES BUTT HAY BALE
2 EACH BALE ) , PERPENDICULARLY AT
APPROX. 100' INTERVAL .
o
PLAN
HAY BALE EROSION CONTROL DET�\I1—
SCALE: N.T.S.
DETAIL. AREA OF CROSSING
SCOUR HOLE NOTES:
TWIN 24" PIPE HAVE THE SAME
CROSS—SECTIONAL AREA AS A 34"
PIPE, THEREFORE SOUR HOLE DESIGN
IS BASED ON A 36" PIPE AND A
VELOCITY OF 20fps.
THE FOLLOWING DIMENSIONS ARE
USED
B=15'
C=18'
C150= 0.50' DIA SIZE STONE
USE INTERMEDIATE RIP RAP
2Sp=6.0
3Sp=9.0
F=1.5
6 in QiHAINULAH t- ILL
TE OR STANDARD HIPRAP
LEGEND
ERSNCTR.DWG
Sp = inside pipe diameter (non ---circular
pipe max inside pipe rise)
Rp = inside pipe diameter (non circular
pipe max inside pipe rise)
12" modifed riprap
d = 18" intermediate
riprap
36" standard
riprap
TYPE 1 F = 0.5rP
TYPE 2 F = Rp
C =
3Sp + 6F
B =
2Sp + 6F
6AWNIM,Min
2 x 2 x 48" FILTER FABRIC
HARD WOOD STAKE
(8' ON CENTER}
COMPACTED BACKFILL
R WOOD CHIPS
10FLOW
12" I N
COMPACTED BACKFILL
OR WOOD CHIPS
NOTE:
1. FILTER FABRIC SHALL BE MIRAFI "SILT FENCE",
EXXON GTF 180, AMOCO 1380, OR APPROVED EQUAL
SILT FENCE
5I AL : N.rS,
PUBLIC ROAD
50' MINIMU
-V
2" stone
MINIMUM
yE—
FILTER FABRIC
WIDTH OF
DRIVEWAY
ALLOW SPACE FOR DRAINAGE
PATH TO CULVERTS
TWO STAKES PER BALE
- V
o _ o
PLAN
SET BALES IN STREAM BED
4" DEEP AND THE WIDTH OF THE BALE.
BACK FILL AND COMPACT THE EXCAVATED'
SOIL ON THE UPHILL SIDE OF THE
BARRIER TO PREVENT PIPING.
DRAINAGE WAY
HAY EA! _E E-POSION CONTROL FOR DRAINAGE CHANNELS
SCALE: N.I.S.
8" thick I-�—
24" HDPE CULVERT
24"
24" 60"
4' OC
24"
12" 10' ---{
CONCRETE TO BE 2400 PSI OR GREATER
PIPES ARE TO BE SET FIRST
CONSTRUCT WOOD FORMS THEN
CONCRETE IS POURED
SCALE: N.T.S.
\/ 2x2 x3
Stake
j
Bal%s placed
on tt e, contour
4" Excavated Trench
4=91nLA114
WATERSHED
38 AC
stip
'O
�O
CyG�
QO
v
LOCATION MAP
=1000'
CH
EROSION CONTROL AND CONSTRUCTION SEQUENCE
1) LOCATION OF EROSION CONTROL AND LIMITS OF CLEARING ARE TO BE DELINEATED BEFORE WORK IS
INITIATED. TOWN OF MONTVILLE WETLAND ENFORCEMENT OFFICER WILL BE NOTIFIED BEFORE WORK
CAN COMMENCE.
2) A BACK HOE OR EXCAVATOR WILL BE USED TO EXCAVATE AND MOVE SOIL.
3) AFTER EROSION CONTROL DEVICES ARE IN PLACE AND WETLAND OFFICER NOT] 1 --IED, CONSTRUCTION CAN
COMMENCE. THE CONSTRUCTION ENTRANCE WILL BE CONSTRUCTED FIRST, TFI EN CLEARING OF TREES
AND GRUBBING WILL BE NEXT.
4) A VELOCITY DISSIPATER SCOUR HOLE WILL BE CONSTRUCTED. SCOUR HOLE W1I L ACT AS A'' SEDIMENT
TRAP FOR SUBSEQUENT CONSTRUCTION DISTURBANCES.
5) THE STREAM WILL BE TEMPORARILY DIVERTED WITH HAY BALES TO FACILITATE INSTALLA'T'ION OF
CULVERT.
6) A 24" CULVERT WILL BE INSTALLED AND HEAD & END WALLS WILL BE CONSTRUCTED.
7) HAY BALES WILL BE INSTALLED TO DIVERT FLOWS THROUGH CULVERT.
8) DRIVEWAY WILL BE CONSTRUCTED AND STACKED STONE RETAINING WALL WILL BE INSTALLED.
9) ALL SOIL/ ROCK STOCK PILES WILL HAVE SILT FENCE INSTALLED AROUND PERIMETER.
10) ALL EXPOSED AREAS ARE TO BE SEEDED AND MULCHED.
11) ALL EROSION CONTROL DEVICES ARE TO REMAIN IN PLACE UNTIL ALL EXPOSED AREAS ACQUIRE
SIGNIFICANT VEGETATION AND SOILS ARE STABILIZED.
12) AMOUNT OF WETLANDS DISTURBED IS 2,200 SF AND THE AMOUNT OF REGULATED BUFFER AREA IS 10,800
SF.
13) AFTER ALL RAIN EVENTS, E&S CONTROLS WILL BE INSPECTED, REPAIRED AND SILT REMOVED.
14) HDPE PIPE SHALL BE PLACED IN 8" BED OF COMPACTED SAND FREE OF STONES.
15) BACK FILL WITHIN 24" OF HDPE PIPES SHALL BE A COMPACTED GRAVEL FREE OF STONES (>I"), ROOTS AND
ORGANIC MATERIAL.
16) ENGINEER MUST BE INFORMED IF THERE ARE ANY DEVIATION FROM THIS PLAN.
NOTES NND REFERNCES:
1. REFERENCES FOR THIS PLAN ARE PROPERTY SURVEY PREPARED FOR ERIC MAJf_, WSKI DATED 01107104
PREPARED BY ADVANCED SURVEYS, LLC. WETLAND DELINEATION BY RICHARD SNARSKI, CPSS
2. STATE OF CONNECTICUT SOIL AND EROSION CONTROL GUILDLINES 2000
3. CONNDOT DRAINAGE MANUAL OCT 2000
LEGEND
— — — — — 110— — — —CONTOURS 2 FOOT INTERVALS
---- 110 CONTOURS PROPOSED
OOOCDOCD STACKED STONE WALL
ELECT TELA— - UNDERGORUND ELECTRICITY AND TELEPHONE
UTILITY POLE
HAY BALE EROSION CONTROL
--------- SILT FENCE
WETLAND DELINEATION
'PROVED 5Y TOWN OF MONTVILLE CHAIRMAN OF THE INLAND WETLAND COMMISSION
DATE
GRAPHIC SCALE
60 0 30 60 120
CHAPEL HIL
CT
MONTVILLE,
■
May LLC
J✓ s°
s
Civil Engineering and Site Planning
"� °° •� -, 1297 HT 163 Oakdale, CT 06340
® ML 0- . 860 367-0878
DRAWN BY -TAM revised 19Julyy 04
added Town Engineers comments
( IN FEET ) O'���r12r: Eric a)4�wskl SCALE: 1" AND AS NOTED
I inch = 60 ft. LOCIAT10�1. Lot MAP 28
Chaple Hill RD DATE: 05 June 2004
Montiville CT 06382 JOB NUMBER SHEET
DESGRIPT91:�1�;: 1+'Vetland CrOssincl for Driveway 04-1003 1 OF 1