±292.0

±299.75 ±299.75

±301.00±301.00

±294.0±294.0

±300.0±300.0

±308.0 ±310.0

±302.0±306.0

±300.0

±305.0

±322.0

±341.00

FFE ±345.00

±333.00±335.0

±306.0

±308.0

±345.00

±335.00

±340.0

±312.0

±314.0±314.0

±310.0

±311.0

±311.0

STORMWATERMANAGEMENT POND STORMWATER

MANAGEMENT POND

FFE:±301.0

LOOP WATER LINE FROMHIGH SCHOOL TO MANSION

ADD BACKFLOW PREVENTIONIN BUILDING

EXISTING SANITARY MANHOLEREPLACE EXISTING

SANITARY PIPING

FORCE MAIN SANITARY FORATHLETIC SUPPORT BUILDING

ADD BACKFLOWPREVENTION IN BUILDING

EXISTING WATER LINE

EXISTING WATER LINE

±300.0±303.0±302.5

±301.0

±297.0±292.0

±291.0

±293.5

±299.0

±305.0±308.0

±306.5

±304.0±306.5±305.0

±304.0

±309.0

±294.5

±299.0

±295.0

±301.0

±307.5

±308.5

STORMWATERMANAGEMENT POND

NEW SANITARYSEWER PIPING

TIE INTO EXISTING WATERLINE FOR FIRE PROTECTION

TIE INTO EXISTING WATERLINE FOR FIRE PROTECTION& DOMESTIC WATERSERVICE

TIE INTO EXISTING WATERLINE FOR DOMESTIC WATER

SERVICE

EXISTING SANITARY LINE

NEW SANITARYSEWER MANHOLE

EXISTING SANITARYSEWER MANHOLE

PROVIDE NEWHYDRANT, TYP.

PROPOSED TREE LINE SHOWSASSUMED EXTENT OF GRADING AND

CLEARING, TYP.

PROPOSED TREE LINE SHOWSASSUMED EXTENT OF GRADING ANDCLEARING, TYP.

EXISTING WATER LINE

EXISTING HYDRANT

EXISTING HYDRANT

EXISTING SANITARY MANHOLE

±337.0

±336.0

±320.0

EXITING SANITARY LINE

STORMWATERMANAGEMENT POND

STORMWATERMANAGEMENT POND

PROVIDE NEWHYDRANT, TYP.

STORMWATERMANAGEMENT POND

STORMWATERMANAGEMENT POND

EXISTINGWATER LINE

GREENBURGH CENTRAL SCHOOL DISTRICT

L-2 - SITE GRADING, DRAINAGE AND UTILITY PLAN 2018-07-30

Sav

e D

ate:

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ame:

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MIC

HA

EL

MA

RQ

UA

RD

50 100 150150 0

Scale: 1" = 150'

LEGENDSANITARY SEWER LINE

SANITARY FORCE MAIN

SANITARY MANHOLE

STORMWATER MANAGEMENT AREA

FIRE HYDRANT

WATER LINE