002 SOIL DATA jBY OTHERS): ��
TP A
SOIL DATA: 0" - 12" DARK BROWN FINE TO MEDIUM SANDY/ORGANIC TOPSOIL \ r ' 00
THE FOLLOWING INFILTRATION TESTS WERE PERFORMED BY a i�
THE FOLLOWING SOIL TEST PITS WERE OBSERVED BY ENVIRONMENTAL DESIGN PARTNERSHIP, LLP ON SEPTEMBER 6, 2019 PERCOLATION TEST: 12" - 30" FINE TO MEDIUM BROWN SAND W/ORGANICS61
ENVIRONMENTAL DESIGN PARTNERSHIP, LLP ON JANUARY 10, 2019: IT 1 PERFORMED 10/23/89 BY L. SHERMAN & B. SHERMAN 30" - 48" FINE TO MEDIUM REDDISH BROWN SAND W/ORGANICS ` (� ' f
48" - 108" FINE TO MEDIUM TAN SAND WITH A FEW ORGANICS
101
1 AT 24" BELOW GRADE PT 1A 108" - 144" FINE TO MEDIUM DARKER TAN SAND
0" 1 12" TOPSOIL STABILIZED RATE = 47 INCHES/HOUR STABILIZED PERCOLATION RATE: 6 MIN. 0 SEC. NO BEDROCK OR GROUNDWATER WAS ENCOUNTERED
TP ,
12" 36" RED BROWN FINE SAND TRACE SILT PT 2A TP 3A
36" - 72" LIGHT BROWN FINE TO MEDIUM SAND IT 2 STABILIZED PERCOLATION RATE: 1 MIN. 11 SEC. 0" - 8" DARK BROWN FINE TO MEDIUM SANDY/ORGANIC TOPSOIL r
72" - 132" BROWN AND GRAY MEDIUM SAND AT 24" BELOW GRADE 8" - 18" FINE TO MEDIUM REDDISH BROWN SAND W/ORGANICS t
STABILIZED RATE = 12 INCHES/HOUR SOIL BORING TEST: 18" - 84" FINE TO MEDIUM TAN SAND W/ TWO LENSES OF SLIGHTLY 'Y {
NO SEASONAL HIGH GROUNDWATER NOTED PERFORMED 10/16/89 BY B. SHERMAN & J. MCcARTHY (TP 1A 2A & COARSE MATERIAL (NOT LIMITING) Au-
IT 3A)WITNESSED BY B. FEAR(NYDOH) NO BEDROCK OR GROUNDWATER WAS ENCOUNTERED Z eo
iw AT 24" BELOW GRADE a
PERFORMED 10/23/89 BY L. SHERMAN & B. SHERMAN (TP 4A)
0" - 12" TOPSOIL STABILIZED RATE = 55 INCHES/HOUR TP 4A
12" - 30" RED BROWN FINE SAND, TRACE SILT !E#lA 0" - 3" DARK BROWN FINE TO MEDIUM SANDY/ORGANIC TOPSOIL ( w _"` o
30" - 48" LIGHT BROWN FINE TO MEDIUM SAND IT 4 0" - 12" DARK BROWN FINE MEDIUM SANDY/ORGANIC TOPSOIL 3" - 36" BROWN COARSE SAND W/TRACE TO SOME GRAVEL AND
48" - 108" BROWN TO GRAY MEDIUM SAND AT 24" BELOW GRADE
12' - 26" FINE TO MEDIUM BROWN SAND W/ORGANICS TRACE COBBLES � 0 1
108" - 144" BROWN TO GRAY MEDIUM SAND, SOME COBBLES STABILIZED RATE = 40 INCHES/HOUR 26" - 45" FINE TO MEDIUM REDDISH BROWN SAND W/ ORGANICS 36" - 48" BROWN VERY COARSE SAND TO GRAVEL, TRACE COBBLES F
NO SEASONAL HIGH GROUNDWATER NOTED 45" - 76" FINE TO MEDIUM TAN SAND 48" - 51" GRAY BROWN GRAVEL W/ SOME COARSE SAND
NO BEDROCK OR GROUNDWATER ENCOUNTERED NO BEDROCK OR GROUNDWATER WAS ENCOUNTERED I) I)
STORMWATER AREA #3 CO T
STONE INFILTRATION TRENCH i O
N
45 FT TOTAL LENGTH db ro `S ti o m c� w a a y a v .�
00� TOP ELEV=499.50 ;ems v`�w\ �`v .._._--�48G a °�' 48� �aa mp a o r or s 2 r aQ a y r, �. r { v !
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RETAINING WALL i % 1 l I j ��ry�! f -- 483.13 / /I `
\ ( ( ) ! I ! i 1 J / 1 ' a \ / l 15" INV IN=479.10 / \
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ELEV=439.75
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AE \ 7 \ ` I i !r `' I j` ' CHECK BY xxx
\ \\ Al 1 ` C 1 - �` f� f/ EDP PROJECT NUMBER XXX
CB10 _ ° e&° 12" INV IN=480.35 I 00 6 \ <n• \ 4 !
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\ /' % 4� i STA 10+04.07 / !' j`/ / scA� nRaaTEcr � A LANDSCAPE ARCF9TEcr OR
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FES W/RIP RAP ` �"' i \ O .---"~` / f � % ,j � RENSIONS PER TOWN ENGINEER CAYMENTS 9-18-19 BMF
___,....., t .. ,.-•� .. ._...- TOP ELEV=474.10 f / \ � � ;; J
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NOT FOR
L °z PROJECT SUMMARY:
CONSTRUCTION Ir;
V THIS SUBDMSION WAS APPROVED AND FILED IN 1990 BUT WAS NOT j f ? \`L i 1 �_ f / /•! / H
CONSTRUCTED AT THE TIME. THE APPROVED SUBDIVISION DID NOT
W INCORPORATE POST-CONSTRUCTION STORMWATER IN COMPLICANCE �� �\ Iff i / \ r' -
THIS PLAN IS A MODIFICATION TO AN EXISTING APPROVED SUBDIVISION. THE LOT O WfTH THE CURRENT NYSDEC SPDES PERMIT AND THE NYSDEC
MAP REFERENCE: I\ =' �� j f/�_-- SHEET TITLE: W
BOUNDARIES, LOT LAYOUTS, EXISTING TOPOGRAPY AND ROAD RIGHT OF WAY WAS 2
t� STORMWATER MANAGEMENT REGULATIONS. IN ORDER TO BRING THIS
OBTAINED FROM PLAN SET ENTITLED "IMPERIAL ACRES, LANDS OF ROBERT LEND' BY PROJECT INTO COMPLIMICE WITH THESE REQUIREMENTS THE { \�`
C.T. MALE ASSOCIATES, P.C. AND DATED NOVEMBER 8, 1989 AND LAST REVISE FOLLOWING MODIFICATIONS TO THE APPROVED SUBDIVISION ARE \ ; -fir-
�\ \ -- rJ GRADING AND
� �
APRIL 30, 1990. V a PROPOSED: �' r ' J� H
W < PROPOSED CONSTRUCTION OF STORMWATER MANAGEMENT '� DRAINAGE PLAN
I NG LOTS 1 A `STI AND 3. zo
DEVICES OF EX
PROPOSED MODIFCIATION OF STORMWATER INFRASTRUCTURE IN ............... o
GRAPHIC SCALE ROADWAY TO CONVEY STROMWATER TO THE PROPOSED
STORMWATER MANAGEMENT AREAS j
MODIFICATIONS TO GRADING AND PROPOSED STORMWATER 1 �;` `
MANAGMENT AREAS LOCATED ON \` \\ ( 't / SHEET:
LOTS 4 AND 6 TO TREAT \ ;l ;� i\ j' r . /`� �\ ; r` % i / z
so ao so 20 �o 0 2s so �o0 200 RUNOFF FROM PROPOSED LOT DEVELOPMENT , ` { �`� j f'' rn
(IN FEET) PROPOSED EROSION AND SEDIMENT CONTROL PLAN DESIGNED �` .ti \\ \' _. `\„ /' t a
IN COMPLIANCE WITH CURRENT NYSDEC EROSION AND '
1 INCH = 50 FT. SEDIMENT CONTOL DESIGN MANUAL. , \ \ ��\ \ \ �, { \ \\., �f¢ "' - _ --`" 1' !' /`r ` / J Z
MODIFICATIONS TO PROPOSED ROADWAY AND LOT GRADING TO j r
MINIMIZE AREA OF DISTURBANCE i \\\\ \\� i !-\ `� \ /•' / ,r I �j'' J ; ; i t
{