town of deerpark · town of deerpark proposed lake orange county, new york dragon springs buddhist,...

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TOWN OF DEERPARK PROPOSED LAKE Orange County, New York Town of Deerpark Dragon Springs Buddhist, Inc. Description Revisions By Date : 01/28/2018 Scale: 1"=100' Sheet Checked : KL Drawn: MP C-3 Date KAIJIN LIANG, P.E. Consulting Engineer 140 Galley Hill Road Cuddebackville, NY 12729 GRADING & EROSION CONTROL PLAN & DETAILS New York State Lic. No. 79716 Kaijin Liang P.E. they contain the original seal and signature of the Engineer true and valid copies unless Plans shall not be considered to this plan is a violation of the New York State Education Law Unauthorized alteration or addition MATCH LINE (SEE DRAWING No. C-2) DADAO ROAD SEQUENCE OF CONSTRUCTION THE WORK IN EACH STEP IS TO BE COMPLETED BEFORE THE NEXT STEP COMMENCES. 1. INSTALL SILT FENCE. 2. ROUGH GRADE ACCESS ROADS. 3. CONSTRUCT AND STABILIZE SEDIMENT BASIN AND TRAPS AND DIVERSION BERMS IF REQUIRED. 4. EROSION CONTROLS AND SEDIMENT TRAPS MUST BE CONSTRUCTED, STABILIZED AND FUNCTIONAL BEFORE SITE DISTURBANCE BEGINS WITHIN THE TRIBUTARY AREAS. 5. CLEAR AND GRUB SITE AND REMOVE TREE STUMPS. 6. STRIP TOPSOIL AND STOCKPILE AS SHOWN ON THE EROSION AND SEDIMENTATION CONTROL PLAN SHEET. 7. STOCKPILE HEIGHTS MUST NOT EXCEED 35 FEET. STOCKPILE SLOPES MUST BE 2:1 OR FLATTER. 8. INITIATE EARTH MOVING ACTIVITIES FOR SITE DEVELOPMENT. ANY UNSUITABLE MATERIAL IS TO BE REMOVED FROM THE PROJECT SITE. 9. ROUGH GRADE SITE AND STOCKPILE, STABILIZE AND SEED EXCESS MATERIAL. 10. THE SITE GRADING ACTIVITIES SHALL BE INITIATED AND PROCEED IN SUCH A MANNER AS TO DIRECT ALL STORM WATER FROM DISTURBED AREAS TO THE SEDIMENT CONTROL STRUCTURES. 11. ALL GRADING AND EXCAVATION SHALL BE CONTINUOUS THROUGHOUT THE PROJECT UNTIL FINAL STABILIZATION IS ACHIEVED. 12. EXCAVATE FOR BUILDING FOOTINGS AND FOUNDATION. 13. INSTALL INLETS AND CULVERTS AS SHOWN ON THE SITE DRAINAGE AND GRADING PLAN. INSTALL INLET PROTECTION IN ACCORDANCE WITH THE CONSTRUCTION DETAILS 14. INSTALL WASTEWATER CONNECTION AND WATER SYSTEM INCLUDING IF REQUIRED. 15. ROUGH GRADE REMAINING PARKING TO CURB LINE AND STABILIZE WITH SUBBASE. 16. COMPLETE FINAL PAVING OF THE PARKING AREA. 17. RESEED, REMULCH AND RESTABILIZE WHERE NECESSARY. 18. UNTIL THE SITE IS STABILIZED, ALL EROSION AND SEDIMENT TRAPS MUST BE MAINTAINED PROPERLY. MAINTENANCE MUST INCLUDE INSPECTIONS OF ALL EROSION AND SEDIMENT BMPS AFTER EACH RUNOFF EVENT AND ON A WEEKLY BASIS. ALL PREVENTATIVE AND REMEDIAL MAINTENANCE WORK, INCLUDING CLEAN OUT, REPAIR, REPLACEMENT, REGRADING, RESEEDING AND IF SEDIMENT CONTROL BMPS FAIL TO PERFORM AS EXPECTED, REPLACEMENT BMPS OR MODIFICATIONS OF THOSE INSTALLED WILL BE REQUIRED. 19. REMOVE SILT FENCING ONLY AFTER ENTIRE SITE HAS BEEN STABILIZED. VEGETATED AREAS SHALL BE CONSIDERED PERMANENTLY STABILIZED WHEN A UNIFORM 70% VEGETATIVE COVER OF EROSION RESISTANT PERENNIAL SPECIFIED HAS BEEN ACHIEVED, OR THE DISTURBED AREA IS COVERED WITH AN ACCEPTABLE BMP WHICH PERMANENTLY MINIMIZES ACCELERATED EROSION AND SEDIMENTATION. UNTIL SUCH TIME AS THIS STANDARD IS ACHIEVED, INTERIM STABILIZATION MEASURES AND TEMPORARY EROSION AND SEDIMENT CONTROL BMPS THAT ARE USED TO TREAT PROJECT RUNOFF MAY NOT BE REMOVED. DURING PERIODS OF DROUGHT, IRRIGATION SHOULD BE UTILIZED UNTIL STABILIZATION HAS OCCURRED. MATCH LINE (SEE DRAWING No. C-2) LEGEND MATCH LINE C-2 C-3 GRADING PLAN INDEX MAP GALLEY HILL ROAD HEBIAN ROAD JINLU ROAD JINLU ROAD ZHENGDAO ROAD RENXIN ROAD ZHENGDAO ROAD GENERAL REVISION MP 10/23/18

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Page 1: TOWN OF DEERPARK · TOWN OF DEERPARK PROPOSED LAKE Orange County, New York Dragon Springs Buddhist, Inc. Town of Deerpark Revisions Description By Date : 01/28/2018 Scale: 1"=100

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Date : 01/28/2018

Scale: 1"=100'

SheetChecked : KL

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New York State Lic. No. 79716Kaijin Liang P.E.

they contain the original sealand signature of the Engineer

true and valid copies unless Plans shall not be considered

to this plan is a violation ofthe New York State Education Law

Unauthorized alteration or addition

MATCH LINE

(SEE

DR

AW

ING

No.

C-2

)

DADAO ROAD

SEQUENCE OF CONSTRUCTION

THE WORK IN EACH STEP IS TO BE COMPLETED BEFORE THE NEXT STEP COMMENCES.

1. INSTALL SILT FENCE.

2. ROUGH GRADE ACCESS ROADS.

3. CONSTRUCT AND STABILIZE SEDIMENT BASIN AND TRAPS AND

DIVERSION BERMS IF REQUIRED.

4. EROSION CONTROLS AND SEDIMENT TRAPS MUST BE CONSTRUCTED,

STABILIZED AND FUNCTIONAL BEFORE SITE DISTURBANCE BEGINS

WITHIN THE TRIBUTARY AREAS.

5. CLEAR AND GRUB SITE AND REMOVE TREE STUMPS.

6. STRIP TOPSOIL AND STOCKPILE AS SHOWN ON THE EROSION AND

SEDIMENTATION CONTROL PLAN SHEET.

7. STOCKPILE HEIGHTS MUST NOT EXCEED 35 FEET. STOCKPILE SLOPES

MUST BE 2:1 OR FLATTER.

8. INITIATE EARTH MOVING ACTIVITIES FOR SITE DEVELOPMENT. ANY

UNSUITABLE MATERIAL IS TO BE REMOVED FROM THE PROJECT SITE.

9. ROUGH GRADE SITE AND STOCKPILE, STABILIZE AND SEED EXCESS

MATERIAL.

10. THE SITE GRADING ACTIVITIES SHALL BE INITIATED AND PROCEED

IN SUCH A MANNER AS TO DIRECT ALL STORM WATER FROM

DISTURBED AREAS TO THE SEDIMENT CONTROL STRUCTURES.

11. ALL GRADING AND EXCAVATION SHALL BE CONTINUOUS

THROUGHOUT THE PROJECT UNTIL FINAL STABILIZATION IS

ACHIEVED.

12. EXCAVATE FOR BUILDING FOOTINGS AND FOUNDATION.

13. INSTALL INLETS AND CULVERTS AS SHOWN ON THE SITE DRAINAGE

AND GRADING PLAN. INSTALL INLET PROTECTION IN ACCORDANCE

WITH THE CONSTRUCTION DETAILS

14. INSTALL WASTEWATER CONNECTION AND WATER SYSTEM INCLUDING

IF REQUIRED.

15. ROUGH GRADE REMAINING PARKING TO CURB LINE AND STABILIZE

WITH SUBBASE.

16. COMPLETE FINAL PAVING OF THE PARKING AREA.

17. RESEED, REMULCH AND RESTABILIZE WHERE NECESSARY.

18. UNTIL THE SITE IS STABILIZED, ALL EROSION AND SEDIMENT TRAPS

MUST BE MAINTAINED PROPERLY. MAINTENANCE MUST INCLUDE

INSPECTIONS OF ALL EROSION AND SEDIMENT BMPS AFTER EACH

RUNOFF EVENT AND ON A WEEKLY BASIS. ALL PREVENTATIVE AND

REMEDIAL MAINTENANCE WORK, INCLUDING CLEAN OUT, REPAIR,

REPLACEMENT, REGRADING, RESEEDING AND IF SEDIMENT CONTROL

BMPS FAIL TO PERFORM AS EXPECTED, REPLACEMENT BMPS OR

MODIFICATIONS OF THOSE INSTALLED WILL BE REQUIRED.

19. REMOVE SILT FENCING ONLY AFTER ENTIRE SITE HAS BEEN

STABILIZED. VEGETATED AREAS SHALL BE CONSIDERED

PERMANENTLY STABILIZED WHEN A UNIFORM 70% VEGETATIVE

COVER OF EROSION RESISTANT PERENNIAL SPECIFIED HAS BEEN

ACHIEVED, OR THE DISTURBED AREA IS COVERED WITH AN

ACCEPTABLE BMP WHICH PERMANENTLY MINIMIZES ACCELERATED

EROSION AND SEDIMENTATION. UNTIL SUCH TIME AS THIS STANDARD

IS ACHIEVED, INTERIM STABILIZATION MEASURES AND TEMPORARY

EROSION AND SEDIMENT CONTROL BMPS THAT ARE USED TO TREAT

PROJECT RUNOFF MAY NOT BE REMOVED. DURING PERIODS OF

DROUGHT, IRRIGATION SHOULD BE UTILIZED UNTIL STABILIZATION HAS

OCCURRED.

MA

TCH

LI

NE

(SEE DRAWING No. C-2)

LEGEND

MATCH LINE

C-2

C-3

GRADING PLAN INDEX MAP

GALLEY HIL

L ROAD

HEB

IAN

RO

AD

JINLU

ROAD

JINLU ROAD

ZHEN

GDAO

RO

AD

REN

XIN

RO

AD

ZHENGDAO ROAD

GEN

ERA

L R

EVIS

ION

MP

10/2

3/18

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522.5
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522.2
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700.8
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631.3
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634.6
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527.2
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BRIDGE #2
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ACCESS ROAD
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HYD #7
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EXIST. INTERMITTENT STREAM
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CONCRETE BLOCK RETAINING WALLS
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EXIST. STREAM
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PREVIOUSLY APPROVED STORAGE SHED #3 (RELOCATED)
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100'x60'
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COVERED DRIVE
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P-HYD #19
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674.3
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672.0
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EXIST. SWALE
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EXIST. STREAM (CLASS C(T))
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I=511.10
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I=510.07
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27LF S=0.015
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EXIST. 12" HDPE
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EXIST. SWALE
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PROPOSED PARKING GARAGE A
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360'x540'
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30'X70'
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PROPOSED CONSTRUCTION WORK SHED
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PROPOSED LAKE DRIVE
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EXISTING PARKING LOT 1 (TO BE REPLACED BY PARKING GARAGE A)
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EXISTING 18,400 GPD WWTP TO BE REMOVED AFTER 100K WWTP IN OPERATION
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FF EL. = EL. = 548.0
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PROPOSED WWTP BUILDING
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50'x50'
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EXIST. SWALE
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PROP. SWALE (TYP.)
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SILT FENCE (TYP.)
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PROP. ELEVATED EMERGENCY ACCESS PLAZA
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716.5
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PROPOSED SAND FILTER #3 85'L x 50'W
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INLET PROTECTION (TYP.)
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PROPOSED DAM
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672.5
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674.3
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PREVIOUSLY APPROVED PUMP HOUSE (RELOCATED)
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PROPOSED CONCRETE WALL
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PROPOSED CONCRETE PLAZA 200'x188'
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PROP. WATER WATER FOUNTAIN (63' )
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673.0
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PROPOSED COVERED DRIVE
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PROPOSED LAKE DRIVE
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APP'D GAZEBO #4
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APP'D ARCH GATE #1
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CONCRETE
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APP'D GAZEBO #3
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GAZEBO#1
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PREVIOUSLY APPROVED STORAGE SHED #3 (TO BE RELOCATED)
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PROPOSED POSED SCULPTURE (8' x20'H)8' x20'H)
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ROOF EL = 616 5th FL EL = 605 4th FL EL = 594 3rd FL EL = 583 2nd FL EL = 572 1st FL EL = 540-554
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616.0
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620.5
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618.0
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552.0
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538.0
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616.0
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616.0
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BW
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TW
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616.0
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BW
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TW
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PROPOSED CONCRETE RETAINING WALL
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603.0
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592.0
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PROPOSED CONCRETE RETAINING WALL
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603.0
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PROPOSED 20 FT WIDE EMERGENCY ACCESS
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PROPOSED SAND FILTER #2
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671.5
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640.8
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BW
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TW
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PROPOSED STORMWATER PLANTER #2
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PROPOSED STORMWATER PLANTER #3
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P-HYD #18
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PREVIOUSLY APPROVED GAZEBO#2 (TO BE RELOCATED)
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PREVIOUSLY APPROVED LEACH FIELD TO BE RELOCATED TO PRESERVE BIG TREES IN THIS AREA
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SILT FENCE (TYP.)
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INLET PROTECTION (TYP.)
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(TO BE USED AS SEDIMENT BASIN DURING PARKING GARAGE CONSTRUCTION. SAND FILTRATION MEDIA SHALL NOT BE INSTALLED UNTIL THE CONSTRUCTION SITE IS FULLY STABILIZED.)
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INLET PROTECTION (TYP.)
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INLET PROTECTION (TYP.)
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PROPOSED RIPRAP CHANNEL (TYP.)
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PROPOSED SEDIMENT BASIN FOR SOIL BORROW AREA A=43,500 S.F. V=88,000 C.F.
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PROPOSED COFFERDAM
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P-HYD #20
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PROPOSED MUSIC HALL 260'x280'
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PROPOSED CONCRETE PLATFORM 260'x100''x100'100''
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645.5
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ROOF EL = 684.5 1st FL EL = 646.0
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645.5
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644.0
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644.0
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657.0
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655.0
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639.0
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641.0
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PROPOSED SAND FILTER #1
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643.0
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643.0
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P-HYD #21
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PROPOSED STORMWATER PLANTER #1
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SILT FENCE (TYP.)
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INLET PROTECTION (TYP.)
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MAGNETIC 2000
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NTS
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FLOW
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FLOW
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18' MIN
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HEIGHT OF FILTER 16" MIN.
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36" MIN. FENCE POSTS, DRIVEN MIN. 16" INTO GROUND
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WOVEN WIRE FENCE (MIN. 14 1/2 GAUGE. MAX. 6" MESH SPACING)
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PERSPECTIVE VIEW
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36" MIN. FENCE POST
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WOVEN WIRE FENCE (MIN. 14 1/2 GAUGE MAX. 6" MESH SPACING) WITH FILTER CLOTH OVER
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FLOW
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UNDISTURBED GROUND
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COMPACTED SOIL
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EMBED FILTER CLOTH MIN. 6" INTO GROUND
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16" MIN.
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20" MIN.
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10' MAX. C. TO C.
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4"
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SECTION
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%%USILT FENCE DETAILS
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SILT FENCE NOTES: 1.WOVEN WIRE FENCE TO BE FASTENED SECURELY TO FENCE POSTS WITH WIRE TIES OR STAPLES. 2.FILTER CLOTH TO BE FASTENED SECURELY TO WOVEN WIRE FENCE WITH TIES SPACED EVERY 24" AT TOP AND MID SECTION. 3.WHEN TWO SECTION OF FILTER CLOTH ADJOIN EACH OTHER THEY SHALL BE OVERLAPPED BY SIX INCHES AND FOLDED. 4.MAINTENANCE SHALL BE PERFORMED AS NEEDED AND MATERIAL REMOVED WHEN "BULGES" DEVELOP IN THE SILT FENCE. POSTS : STEEL EITHER "T" OR "U" TYPE OR 2" HARDWOOD. FENCE : WOVEN WIRE. 14 1/2 GA. 6" MAX. MESH OPENING. FILTER CLOTH : FILTER X. MIRAFI 100X. STABILINKA T140N OR APPROVED EQUAL. PREFABRICATED UNIT : GEOFAB. ENVIROFENCE. OR APPROVED EQUAL.
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EXISTING LEACH FIELDS W/ ABSORPTION CAPACITY OF 10,056 GPD TO BE ABANDONED AFTER 100K WWTP IN OPERATION
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EXISTING WATER BODY
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700
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PROPOSED SPOT ELEVATION
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EXISTING SPOT ELEVATION
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700
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PROPOSED CONTOUR LINE
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EXISTING CONTOUR LINE
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700
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700
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EXISTING FIRE HYDRANT
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HYD
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PROPOSED FIRE HYDRANT
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P-HYD
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EXISTING FENCE
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EXCAVATED AREA (AS REQUIRED)
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FLOW
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WEEP HOLES FOR DEWATERING
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FLOW
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SIDE SLOPE 2:1
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EXCAVATED DEPTH MIN. 1' TO A MAX. 2' BELOW TOP OF INLET.
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FLOW
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FLOW
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GRAVEL SUPPORTED BY HARDWARE CLOTH TO ALLOW DRAINAGE AND RESTRICT SEDIMENT MOVEMENT.
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2. GRADE APPROACH TO THE INLET UNIFORMLY AROUND THE BASIN.
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3. WEEP HOLES SHALL BE PROTECTED BY GRAVEL.
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AND STABILIZE WITH PERMANENT SEEDING.
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1. CLEAR THE AREA OF ALL DEBRIS THAT WILL HINDER EXCAVATION.
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4. UPON STABILIZATION OF CONTRIBUTING DRAINAGE AREA, SEAL WEEP HOLES,
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FILL BASIN WITH STABLE SOIL TO FINAL GRADE, COMPACT IT PROPERLY
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MAXIMUM DRAINAGE AREA 1 ACRE
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CONSTRUCTION SPECIFICATIONS
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%%UDROP INLET PROTECTION DETAIL
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NTS
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PROPOSED CATCH BASIN
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PROPOSED SILT FENCE
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PROPOSED TRENCH DRAIN
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PROPOSED SWALE
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1 inch = ft.
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( IN FEET )
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GRAPHIC SCALE
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0
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100
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100
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200
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100
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400
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50
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PROPOSED RELOCATION OF PREVIOUSLY APPROVED LEACH FIELDS W/ 8,960 GPD ABSORPTION CAPACITY (TO BE ABANDONED AFTER 100K WWTP IN OPERATION)
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SEEDED AREA WITH ANCHORED STABILIZATION MATS
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EROSION CONTROL NOTES 1. THE OWNER/CONTRACTOR SHALL PERFORM TEMPORARY CONTROL MEASURES AS DIRECTED BY THE ENGINEER DURING CONSTRUCTION. METHODS SHALL INCORPORATE, BUT NOT BE LIMITED TO, CONSTRUCTION ENTRANCES, DIVERSION BERMS OR SWALES, SEDIMENT BASINS OR TRAPS, STRAW BALES, SILT FENCES, FIBER MATS, CHECK DAMS , GRAVEL, VEGETATIVE GROWTH, MULCHES, AND SIMILAR DEVICES. ALL EROSION CONTROL METHODS USED SHALL BE IN CONFORMANCE TO THE NYSDEC - GUIDELINES FOR EROSION & SEDIMENT CONTROL. 2. VEGETATIVE COVER - GRASS SHALL BE A QUICK GROWING SPECIES (SUCH AS RYE GRASS, ITALIAN RYE GRASS, OR CEREAL GRASSES) SUITABLE TO THE AREA'S SOIL. GRASS SHALL BE SOWN WITH A MULCH CONSISTING OF HAY, STRAW, BARK, JUTE, NETTING, WOOD CHIPS, O.E. FERTILIZER AND SOIL CONDITIONERS OF A STANDARD COMMERCIAL GRADE SHALL BE INCLUDED WITH THE SEEDING AND MULCHING. SEEDING & MULCHING - ALL AREAS DISTURBED BY ON-SITE GRADING, THAT WILL NOT BE CONSTRUCTED UPON, SHOULD BE ESTABLISHED TO PERMANENT VEGETATIVE COVER, USING THE FOLLOWING SEEDING SCHEDULE: LBS./ACRE LBS./1000 SQ. FT. LBS./ACRE LBS./1000 SQ. FT. LBS./1000 SQ. FT. CREEPING RED FESCUE 10 0.23 TALL FESCUE 15 0.34 CROWN VETCH 15 0.34 ALL SEEDED AREAS TO HAVE AN APPLICATION OF THE FOLLOWING: LIME - AMOUNT NEEDED TO OBTAIN A P.H. OF 5.5
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EROSION CONTROL SITE INSPECTION FREQUENCY 1. TO ENSURE THE PERFORMANCE OF THE EROSION AND SEDIMENT CONTROL MEASURES, THE TO ENSURE THE PERFORMANCE OF THE EROSION AND SEDIMENT CONTROL MEASURES, THE CONTRACTOR(S) THAT HAS BEEN IDENTIFIED BY THE OWNER AS BEING RESPONSIBLE FOR THE IMPLEMENTATION OF THE SWPPP SHALL INSPECT THE PRACTICES WITHIN THE ACTIVE WORK AREA DAILY AND AFTER EVERY STORMWATER EVENT THAT GENERATES RUNOFF. IF DEFICIENCIES ARE IDENTIFIED, THE CONTRACTOR SHALL IMPLEMENT THE NECESSARY CORRECTIVE ACTIONS WITHIN ONE BUSINESS DAY OF THE INSPECTION. 2. THE OWNER OR OPERATOR SHALL HAVE A QUALIFIED INSPECTOR TO CONDUCT SITE THE OWNER OR OPERATOR SHALL HAVE A QUALIFIED INSPECTOR TO CONDUCT SITE INSPECTIONS IN CONFORMANCE WITH THE FOLLOWING REQUIREMENTS: a. WHEN SOIL DISTURBANCES ARE ON-GOING, INSPECTIONS SHALL BE CONDUCTED BY A WHEN SOIL DISTURBANCES ARE ON-GOING, INSPECTIONS SHALL BE CONDUCTED BY A QUALIFIED INSPECTOR AT LEAST EVERY SEVEN (7) CALENDAR DAYS. b. WHEN SOIL DISTURBANCE ACTIVITIES HAVE BEEN TEMPORARILY SUSPENDED (WINTER WHEN SOIL DISTURBANCE ACTIVITIES HAVE BEEN TEMPORARILY SUSPENDED (WINTER SHUTDOWN, ETC.) AND TEMPORARY STABILIZATION MEASURES HAVE BEEN APPLIED TO ALL DISTURBED AREAS, THE QUALIFIED INSPECTOR SHALL CONDUCT A SITE INSPECTION AT LEAST ONCE EVERY THIRTY (30) CALENDAR DAYS.
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PROPOSED LAKE SERVICE SPILLWAY
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PROPOSED CULVERT (TYP.)
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PROPOSED LAKE EMERGENCY SPILLWAY