Updated Stormwater Plan4'-5"
30'
20'
5'
2
1
'
GUTTER
RAIN GARDEN THIS AREA
(SEE NOTE)
INFILTRATION #1
28'x56' PICKLE BALL COURT
1% PITCH EAST TO WEST
0% NORTH TO SOUTH TO W N S N O W
STO R A G E AR EAAREA OF
INFILTRATION
STEPSWALE
SWALE
AREA OF
ENCROACHMENT
OUTFLOW
Test Pit 1
Elev 322
MINIMUM
SILT FENCE
SLIGHT SWALETest Pit 2
(15' From Property Line)
GRADE TO RAIN GARDEN
4" PERFORATED PIPE (EXISTING)
RELOCATE AND REPlACE
WITH SOLID THIS SECTION
SEPTIC FORCE MAIN
(FIELD VERIFY LOC.)
ADJOINER DRIVEWAY
TOWN SNOWPLOW TURNAROUND
STONE DRIVE
RECONFIGURATION
PRFORATED PIPE REBURY
IN 2' x 1' STONE TRENCH
STORMWATER PLANSCALE:PROJECT DESCRIPTION:SHEET TITLE:33 HOLLY LANE1" = 20'REVISION:6/14/2022INFILTRATION #1 RAIN GARDEN
TURF WITH
SLIGHT BERM
COURT SURFACE
4"ASPHALT
FILTER FABRIC
1" DECORATIVE STONE
1.5-2" CLEAN STONE
40% VOID OR BETTER
12.8' - 14' SQFT CROSS
SECTION
DRAINAGE FROM PAVILLION STONE LINED OUTFLOW
SOIL AREA WITH COBBLES ABOVE
12" CRUSHED CLEAN STONE
FILTER FABRIC ABOVE
6"-12" PONDING DEPTH WATER RESIST
DOGWOODS PLANTED IN COBBLES S-1NOTE: LOCATE EXSTING FORCE MAIN.
SHAPE AND LOCATE TO AVOID DISTURBANCE AS NECESSARY
LOCATE AND GRADE AROUND RAIN GARDEN AND PAVILION
AREA TO ACCEPT DRAINAGE FROM PAVILION/DRIVEWAY
SUB-BASE
TAILINGS OVER
4"/2" CRUSHED STONE/
SAND MIX
COMPACTED
TURF
GROUNDWATER
SOIL TEST DATA TEST PIT #1 12/4/01
TAKEN AT ELEVATION 98 (HUTCHINS ENGINEERING)
0" - 4" BLACK TOPSOIL
4" - 7"BROWN SAND, LITTLE GRAVEL
TRACE OF SILT
7" - 30"RED BROWN SAND, SOME SILT,
LITTLE GRAVEL
30" - 40"BROWN TO GRAY SAND, SOME SILT,
LITTLE GRAVEL
40" - 64" COMPACT GRAY SAND, SOME SILT,
SOME GRAVEL
PROBABLE SEASONAL HIGH GROUNDWATER AT 40" 12/4/01
PERCOLATION AT 18" IS 1" IN 12 MIN.
2001 ADDED 2-5' OF GRANULAR MEDIUM SAND w/2" MAXIMUM
STONE
POST TEST TO BRING OVERALL ELEVATION TO 100+.
COMPACTED TO PERCOLATION RATE OF 1"/5MIN TO !"/15MIN MINIMUMSOIL TEST DATA TEST PIT #2 (3/21)
TAKEN SAME ELEVATION AS PICKLE COURT (EDP)
0" - 10" FOREST DUFF/ORGANIC MATERIAL/ROOTS
10" - 32"LIGHT BROWN LOAMY SAND
32" - 72"SILTY SAND, FIRMER WITH DEPTH, SOME
COBBLES
NO EVIDENCE OF GROUNDWATER DETECTED.MAXnnn PROPOSED GRADE