HomeMy WebLinkAbout01-23 MDPS:\JOBS\B3022WinchesterTownhomes\01FrederickCountyTownhomes\Planning\MasterPlanning\B3022-01_WinchesterTHMDP.dwg,8/21/202310:49:11AM,chris.schaibleMDP GRADING &
DRAINAGE
LAYOUT RevisedByDescriptionDateRev.Project Contacts:
Project Number:
Scale:
1"=30'
Date:
08/01/2023
Sheet Title:
Sheet Number
2 OF 2
GVC
B3022-01WINCHESTERTOWNHOMESMASTERDEVELOPMENTPLAN FREDERICKCOUNTYVIRGINIA5248OldeTowneRoad,Suite1Williamsburg,Virginia23188Phone:(757)253-0040Fax:(757)220-8994www.aesva.comSREENIGNEGNITLUSNOCHamptonRoads|CentralVirginia|MiddlePeninsulaSITE DATA:
TOTAL SITE AREA:367, 903 S.F.± / 8.4459 AC.±
LIMITS OF DISTURBANCE (LOD):189,632 S.F.± / 4.35 AC.±
ENVIRONMENTAL INVENTORY:
STEEP SLOPES (>35%):124,556 S.F.± / 2.86 AC.± (33.86% SITE)
(ENTIRE SITE)
STEEP SLOPES (>35%):80,547 S.F.± / 1.85 AC.± (64.67% SLOPES)
(CONSERVATION EASEMENT)
ALLOWABLE STEEP SLOPE
DISTURBANCE:31,139 S.F. / 0.71 AC. (25% SLOPES)
PROPOSED STEEP SLOPE
DISTURBANCE:28,852 S.F.± / 0.66 AC.± (23.16% SLOPES)
FLOODPLAIN (ZONE AE):48,837 S.F.± / 1.12 AC.± (13.27% SITE)
(ENTIRE SITE)
FLOODPLAIN (ZONE AE):47,839 S.F.± / 1.10 AC.± (97.96% AE)
(CONSERVED OPEN SPACE)
FLOODPLAIN DISTURBANCE:1,496 S.F.± / 0.03 AC.± (3.06% AE)
WATER QUALITY & QUANTITY:
TP REDUCTION REQUIRED:3.93 LB/YEAR*
*WATER QUALITY COMPLIANCE SHALL BE ACHIEVED VIA CREDIT PURCHASING
FROM AN APPROVED NUTRIENT BANK.
HATCH LEGEND
CONSERVATION EASEMENT
MDP #01-23
FLOOD HAZARD MAP: THIS PROPERTY CONTAINS A REGULATORY FLOODWAY, AND IS LOCATED IN
FLOOD ZONE AE AND X AS SHOWN ON MAP NUMBER 51069C0240E, DATED
JANUARY 29, 2021 OF THE FLOOD INSURANCE RATE MAPS FOR FREDERICK
COUNTY, VIRGINIA. ZONE AE IS DEFINED AS A SPECIAL FLOOD HAZARD AREA
SUBJECT TO INUNDATION BY THE 100 YEAR FLOOD, ZONE X IS DEFINED AS 0.2%
ANNUAL CHANCE FLOOD HAZARD, WITH AREAS OF 1% ANNUAL CHANCE FLOOD
WITH AVERAGE DEPTH LESS THAN ONE FOOT OR WITH DRAINAGE AREAS OF
LESS THAN ONE SQUARE MILE.