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U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS0000 Cover Sheet.dwg PLOTTED: 3/25/2022 2:17 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493&'3/$1SET
LOCATION MAP
Scale: 1" = 2000'NORTH&$//
&$//%E)25E<28'I*
ALWAYS CALL 811 BEFORE YOU DIG IN VIRGINIA
SECTION 56-265.17 REQUIRES THREE WORKING DAYS
NOTICE TO UTILITIES BEFORE YOU EXCAVATE, DRILL OR
BLAST VIRGINIA UTILITY PROTECTION SERVICE, INC.
TICKET NUMBER(S):
PREPARED BY:
PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139
F 540.665.0493
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604COVER SHEETINDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTPREPARED FOR:
OWNER/DEVELOPER
PO BOX 3508
WINCHESTER, VA. 22604
(540) 344-1212
I1'I$1+2//2:E/E0E1T$5<S&+22/
0I1255E129$TI21S$1'5E3$I5S
&21ST58&TI21'5$:I1*S
¬
SITE3/$1
*$I1ES%2520$*ISTE5I$/'IST5I&T)5E'E5I&.&281T<9I5*I1I$
25I*S8%0ISSI21'$TE T%'
5E9ISE'S8%0ISSI21'$TE T%'
RESPONSIBLE LAND DISTURBER
THE RESPONSIBLE LAND DISTURBER IS THAT PARTY RESPONSIBLE FOR CARRYING
OUT THE LAND DISTURBING ACTIVITY AS SET FORTH IN THE PLANS.
NAME:_____________________________________________________
CERTIFICATION #:___________________________________________
DATE: _____________________________________________________
APPROVED BY FREDERICK COUNTY ZONING ADMINISTRATOR
________________________________________________________________________________
APPROVED BY DATE
&S
TOTAL SHEETS 17
S+EETI1'E;
S+EET12S+EETTIT/E
CS0000 COVER SHEET
CS0001 GENERAL NOTES AND LEGENDS
CS1000 EXISTING CONDITIONS PLAN
CS1500 DEMOLITION PLAN
CS2000 EROSION AND SEDIMENT CONTROL NARRATIVE
CS2100 EROSION AND SEDIMENT CONTROL PLAN PHASE I
CS2200 EROSION AND SEDIMENT CONTROL PLANS PHASE II
CS2500 EROSION AND SEDIMENT CONTROL DETAILS
CS2501 EROSION AND SEDIMENT CONTROL DETAILS
CS4000 OVERALL PLAN
CS4001 SITE PLAN
CS4100 GRADING PLAN
CS4500 SITE DETAILS
CS5200 DRAINAGE DIVIDES
CS5300 WATER QUALITY
CS5400 WATER QUANTITY
CS6100 STORM PROFILES
LOCAL UTILITIES
SHENANDOAH VALLEY ELECTRIC CO-OP
3463 VALLEY PIKE
WINCHESTER, VA 22602
(540) 450-2051 / (540) 450-0111
VERIZON
404 HILLANDALE LANE
WINCHESTER, VIRGINIA 22602
(540) 665-3156
COMCAST COMMUNICATIONS
195 RAINVILLE ROAD
WINCHESTER, VIRGINIA 22602
(540) 504-0942
WASHINGTON GAS
350 HILLANDALE LN.
WINCHESTER, VIRGINIA 22602
(540) 868-7913
FREDERICK WATER
315 TASKER ROAD
STEPHENS CITY, VIRGINIA 22655
(540) 868-1061
DAVID L. FRANK
Lic. No.1061
ESTI0$TE'48$1TITIES
SITE IMPROVMENTS
EMERGENCY ACCESS ROAD 704 LF
SIDEWALK REPLACEMENT 120 LF
REMOVABLE BOLLARDS 6 CT
VDOT CLASS 1 RIPRAP 180 SF
EC-3 LINING 147 LF
STORM SEWER STRUCTURES
DI-1 INLET 1 CT
DI-7 INLET 1 CT
15" HDPE END SECTIONS 4 CT
STORM SEWER PIPES
12" PVC SDR-35 140 LF
15" HDPE 68 LF
4" UNDER-DRAIN (PERFORATED)491
4" UNDER-DRAIN (NON-PERFORATED)219 LF
WATER QUALITY
TOTAL PHOSPHOROUS LOAD REDUCTION REQUIRED 0.02 LBS/YR
PROJECT DESCRIPTION
THIS IS AN EXISTING ELEMENTARY SCHOOL BUILDING LOCATED AT 1548 HAYFIELD RD. SITE IMPROVEMENTS
GENERALLY INCLUDE RENOVATION AND EXPANSION OF EXISTING ELEMENTARY SCHOOL BUILDING, TWO NEW
MOBILE CLASSROOM BUILDINGS, REVISED GRADING, INTERNAL VEHICULAR CIRCULATION FOR COMMERCIAL
AND PASSENGER VEHICLES, STORM WATER MANAGEMENT AND ON-SITE DRAINAGE.
AGENCY REVIEW / APPROVAL TRACKING
02-04-2022 PLANNING, FIRE MARSHAL, INSPECTIONS, PUBLIC WORKS,
03-11-2022 PUBLIC WORKS (APPROVAL)
03-25-2022 PLANNING, FIRE MARSHAL, INSPECTIONS, GIS
GENERAL CONSTRUCTION NOTES
1.THE CONTRACTOR SHALL FURNISH ALL MATERIALS, LABOR AND EQUIPMENT
AND PERFORM ALL WORK INCLUDING RESTORATION FOR ALL
IMPROVEMENTS SHOWN OR IMPLIED AS NECESSARY FOR THE COMPLETED
FACILITY READY FOR USE. UNLESS OTHERWISE NOTED, SPECIFICATIONS
FOR ALL WORK TO BE IN ACCORDANCE WITH APPLICABLE STANDARDS AND
CONSTRUCTION SPECIFICATIONS OF THE VIRGINIA DEPARTMENT OF
TRANSPORTATION, VIRGINIA DEPARTMENT OF HEALTH, ECONOMIC
DEVELOPMENT AUTHORITY, AND THE CONTRACT DOCUMENTS.
2.THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL CONSTRUCTION
STAKEOUT. ALL DIMENSIONS, ELEVATIONS AND LOCATIONS SHALL BE
VERIFIED IN THE FIELD BY EACH CONTRACTOR PRIOR TO BEGINNING THE
WORK. THE ENGINEER WILL APPROVE ALL CUT SHEETS.
3.CONSTRUCTION ACTIVITIES SHALL BE LIMITED TO THE HOURS OF 8:00 AM TO
5:00 PM. FCPS MAY EXTEND THE ALLOWED WORK HOURS.
4.ANY UNUSUAL SUBSURFACE CONDITIONS ENCOUNTERED DURING THE
COURSE OF THE WORK SHALL BE IMMEDIATELY BROUGHT TO THE
ATTENTION OF THE ENGINEER AND/OR THE OWNER.
5.CONTRACTOR TO OBTAIN, AT HIS EXPENSE, ALL PERMITS REQUIRED OF THIS
WORK PRIOR TO COMMENCING CONSTRUCTION AND SHALL FAITHFULLY
ADHERE TO THE PERMIT CONDITIONS IMPOSED.
6.ALL GRADING FOR IMPROVEMENTS TO BE CONFINED TO THE PROJECT AREA.
ANY WORK PERFORMED OFFSITE IS THE CONTRACTOR'S RESPONSIBILITY.
DUE TO THE PROXIMITY OF THE PROJECT TO EXISTING STRUCTURES AND
UTILITIES, BLASTING WILL NOT BE ALLOWED.
7.CUTSHEETS SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL PRIOR
TO CONSTRUCTION. ALL CUTSHEETS SHOULD SHOW EXISTING GROUND
ELEVATIONS AT CENTERLINE OF UTILITY, STRUCTURE OR ROAD, AND OFFSET
HUB ELEVATION.
8.LOCATIONS OF UTILITIES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL
BE RESPONSIBLE FOR FIELD VERIFYING THE EXACT LOCATION, VERTICALLY
AND HORIZONTALLY, OF THE UTILITIES PRIOR TO ANY EXCAVATION OR
CONSTRUCTION. THE CONTRACTOR SHALL CONTACT "MISS UTILITY" AND ALL
APPLICABLE UTILITY COMPANIES FOR CLEARANCE PRIOR TO EXCAVATION.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR ADHERING TO THE
COMMONWEALTH OF VIRGINIA UNDERGROUND UTILITY DAMAGE
PREVENTION ACT, CHAPTER 10, TITLE 56 OF THE CODE OF VIRGINIA.
9.CONTRACTOR SHALL BE RESPONSIBLE FOR IMPLEMENTING AND
MAINTAINING ALL EROSION AND SEDIMENT CONTROL MEASURES
NECESSARY DURING CONSTRUCTION IN ACCORDANCE WITH CURRENT
STATE AND LOCAL REGULATIONS. DISTURBED AREAS SHALL NOT REMAIN
DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS WHEN
CONSTRUCTION IS NOT IN PROGRESS. DURING CONSTRUCTION, ALL STORM
SEWER INLETS SHALL BE PROTECTED BY INLET PROTECTION, AND SHALL BE
MAINTAINED AND MODIFIED AS REQUIRED BY CONSTRUCTION PROGRESS.
CONTRACTOR SHALL CONTACT THE COUNTY BUILDING INSPECTIONS OFFICE
AT (540) 636-9973 TO SCHEDULE INSPECTIONS.
10.CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING MUD FROM
TRUCKS AND/OR OTHER EQUIPMENT PRIOR TO ENTERING PUBLIC STREETS
AND/OR EXISTING PARKING LOTS AND OTHER PAVED AREAS. IT IS THE
CONTRACTOR'S RESPONSIBILITY TO CLEAN STREETS, ALLAY DUST, AND TO
TAKE WHATEVER MEASURES NECESSARY TO ENSURE THAT THE STREETS
ARE MAINTAINED IN A CLEAN, MUD AND DUST FREE CONDITION AT ALL TIMES.
11.ANY STREET OR UTILITIES DAMAGED BY CONTRACTOR OR
SUB-CONTRACTOR SHALL BE SOLE RESPONSIBILITY OF THE PRIMARY
CONTRACTOR AND PROPERLY AND IMMEDIATELY REPAIRED BY THE
CONTRACTOR. SUCH REPAIRS SHALL BE TO THE ORIGINAL CONDITION, IN
COMPLIANCE WITH THE TOWN'S CONSTRUCTION STANDARDS &
SPECIFICATIONS, AND TO THE SATISFACTION OF THE TOWN INSPECTOR.
12.ALL PRE-CAST CONCRETE STRUCTURES SHALL BE A MINIMUM 4000 PSI AT 28
DAYS.
13.THE CONTRACTOR IS RESPONSIBLE FOR ADJUSTMENT OF ALL UTILITY
BOXES, VAULTS, OR OTHER APPURTENANCES TO NEW FINISHED GRADE
ELEVATIONS.
14.CONTRACTOR TO RELOCATE ALL SIGNS AND UTILITIES REQUIRED FOR THIS
WORK.
15.ANY PLANNED DISRUPTIONS OF OR TIE INS TO EXISTING UTILITIES SHALL BE
COORDINATED WITH THE APPROPRIATE UTILITY OWNER. WITH THE
EXCEPTION OF EMERGENCIES, THERE SHALL BE A MINIMUM OF 24 HOURS
NOTICE GIVEN BY THE CONTRACTOR TO THE OWNER AFFECTED BY UTILITY
INTERRUPTIONS.
16.THE UNAUTHORIZED USE OF WATER WITHOUT DUE COMPENSATION IS
ILLEGAL. NO PERSON SHALL CONNECT TO OR DO ANY WORK ON THAT
PORTION OF THE SYSTEM OWNED BY THE OWNER UNLESS WRITTEN
AUTHORIZATION IS RECEIVED PRIOR TO COMMENCING WORK.
17.CONSTRUCTION LIMITS SHALL BE PROPERTY LINES OR AS INDICATED BY
PLAN REQUIREMENTS AND SHALL BE STAKED OR FLAGGED IN THE FIELD
PRIOR TO CONSTRUCTION.
18.CONSTRUCTION SHALL CONFORM TO THE AMERICAN WITH DISABILITIES ACT
(ADA) REQUIREMENTS.
19.REGISTERED LAND DISTURBER TO SUBMIT REPORTS TO BUILDING
INSPECTOR ON A REGULAR BASIS AS REQUIRED BY FREDERICK COUNTY.
20.THE CONTRACTOR SHALL COORDINATE WITH THE INDIVIDUAL LOT OWNERS
TO RELOCATE THE EXISTING MAIL BOXES THAT ARE AFFECTED BY THE
PROPOSED IMPROVEMENTS.
21.ALL UTILITIES WILL BE LOCATED UNDERGROUND.
22.TEST PITS ARE REQUIRED ON ALL UTILITY LINES AS NOTED ON PLANS.
23.FIELD ADJUSTMENTS TO UTILITY INFRASTRUCTURE SHALL BE AS REQUIRED
BY AND PER THE OWNER'S DIRECTION.
24.EXISTING MANHOLE FRAMES AND COVERS AND VALVE BOXES AND COVERS
TO REMAIN SHALL BE ADJUSTED OR RECONSTRUCTED, AS NECESSARY, TO
MATCH FINISHED GRADES.
25.REMOVAL OF ANY FUEL STORAGE TANKS, IF PRESENT, SHALL BE IN
CONFORMANCE WITH LOCAL, STATE, AND FEDERAL REGULATIONS. THE
CONTRACTOR SHALL BE RESPONSIBLE TO OBTAIN ANY AND ALL RELATED
PERMITS PRIOR TO CONSTRUCTION.
FIRE AND RESCUE
1. BURNING OF CONSTRUCTION DEBRIS AND CLEARING AND GRUBBING DEBRIS
ON SITE IS PROHIBITED.
2. ACCESS FOR EMERGENCY VEHICLES MUST BE MAINTAINED AT ALL TIMES
DURING CONSTRUCTION.
CG-6
CONCRETE SIDEWALK
LIMITS OF CLEARING AND GRADING
STORM SEWER
WATERLINE
CONTOURS
UNDERGROUND ELECTRIC SERVICE
SANITARY SEWER WITH MANHOLE
PROPERTY LINE
UTILITY POLE
SIGN POST
LEGEND
FIRE HYDRANT ASSEMBLY
GAS LINE
HY DSF SQUARE FEET
SEC SECTION
RTE ROUTE
ROW RIGHT-OF-WAY
FT FEET
POLYVINYL CHLORIDE
REINFORCED CONCRETE PIPE
VIRGINIA DEPARTMENT OF TRANSPORTATION
WELDED WIRE MESH
POINT OF VERTICAL INTERSECTION
W/
FIRE HYDRANTF.H.
WV WATER VALVE
BEST MANAGEMENT PRACTICE
BEGIN VERTICAL CURVE STATION
BEGIN VERTICAL CURVE ELEVATION
END VERTICAL CURVE STATION
END VERTICAL CURVE ELEVATION
DROP INLET
DIAMETER
DUCTILE IRON PIPE
EROSION CONTROL
ELEVATION
END SECTION
FINISHED FLOOR ELEVATION
ELEV
F.F.E.
EVCS
EX
EVCE
ES
EXISTING
DIP
EA
EC
DIA
DI
EACH
BENCHMARK
CLEANOUT
CONCRETECONC
CL
CO
BVCS
BVCE
CLASS
BLDG
B.M.
BMP
BUILDING
STR
VERT
WWM
TYP
VDOT
RCP
SHT
STM
PVC
PVI
STRUCTURE
TYPICAL
VERTICAL
WITH
SHEET
STEAM
HORIZ
MECH
MIN
MSE
INV
MAX
G.V.
HORIZONTAL
INVERT
MAXIMUM
MECHANICAL
MINIMUM
MECHANICALLY STABILIZED EARTH
GATE VALVE
AREA DRAINAD
TRENCH DRAINTD
LIMITS OF DISTURBANCELOD
APPX.APPROXIMATELY
OVERHEAD ELECTRICOHE
UNDERGROUND ELECTRICUGE
UGT UNDERGROUND TELEPHONE
TELCO TELECOMMUNICATIONS
WWF WELDED WIRE FABRIC
CAST IRONCI
STAINLESS STEELSS
TREE PROTECTIONTP
NORTH BOUND LANENBL
SOUTH BOUND LANESBL
BW BOTTOM OF WALL
TOP OF WALLTW
ON CENTER EACH WAY
ON CENTEROC
OCEW
PROP PROPOSED
DIAMETERØ
MANHOLEMH
FOR FUEL OIL RETURN
FOS FUEL OIL SUPPLY
CWR
CWS CHILLED WATER SUPPLY
CHILLED WATER RETURN
MECHANICAL, ELECTRICAL, PLUMBINGMEP
ABBREVIATIONS
MLP METAL LIGHT POLE
MSP METAL SIGN POLE
F.H. ASSY FIRE HYDRANT ASSEMBLY
HANDICAP PARKINGHCP
BUILDING RESTRICTION LINEBRL
ASPHALT PAVEMENT
CG-6R REVERSE CURB
FEMA FLOOD MAP # 51069C0200E eff. 1/29/2021
ZONE "X" AREA OF MINIMAL FLOOD HAZARD
SITE DEVELOPMENT SUMMARY
SCHOOL
TAX IDENTIFICATION NUMBERS
CURRENT ZONING
CURRENT USE
PROPOSED USE
FLOOD PLAIN
SITE AREA
TOTAL DISTURBED AREA
40-(A)-31A
RA
SCHOOL
19.51 ACRES
3.95 ACRES
PLANNING AND DEVELOPMENT NOTES
1.THERE ARE NO PROPOSED CHANGES TO EXISTING LANDSCAPING, LIGHTING,
OR SIGNAGE.
2.FOR EXISTING LANDSCAPING, LIGHTING, OR SIGNAGE DETAILS REFER TO SP
#14-86 AND SP #17-10 APPROVED PLANS.
35FTMAX BUILDING HEIGHT
FRONT
RIGHT SIDE
LEFT SIDE
REAR
YARDS/SETBACKS
60'
100'
100'
100'
REQUIRED
235.9' ±
224.4' ±
173.0' ±
334.6' ±
PROVIDED
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS0001 General Notes.dwg PLOTTED: 3/25/2022 1:34 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604GENERAL NOTES AND LEGENDSCS0001
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
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ZONED: RA
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GERRY O FARM, LLC
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ZONED: RA
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CRAIG PEARRELL
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HERBERT L. FELTNER
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HERBERT L. FELTNER
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USE: RESIDENTIAL
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MAP UNIT
SYMBOL MAP UNIT NAME HSG KFACTOR RUNOFF/EROSION
POTENTIAL
SHRINK-SWELL
POTENTIAL
3C BLAIRTON SILT LOAM, 7-15% SLOPES C .43 MEDIUM / RAPID LOW
13B FRANKSTOWN CHANNERY SILT LOAM, 2-7% SLOPES B .37 MEDIUM MODERATE
13C FRANKSTOWN CHANNERY SILT LOAM, 7-15% SLOPES B .37 MEDIUM MODERATE
14C FREDERICK-POPLIMENTO LOAMS, 7-15% SLOPES B/C .32 RAPID / SEVERE HIGH
17E FREDERICK-POPLIMENTO-ROCK OUTCROP COMPLEX, 15-45%
SLOPES B/C .28 RAPID / SEVERE HIGH
40B TIMBERVILLE SILT LOAM, 2-7% SLOPES, FREQUENTLY
FLOODED B .32 MEDIUM / MODERATE LOW / MODERATE
41B WEIKERT-BERKS CHANNERY SILT LOAMS, 3-8% SLOPES C/D .28 MEDIUM / MODERATE LOW
41C WEIKERT-BERKS CHANNERY SILT LOAMS, 8-15% SLOPES C/D .28 RAPID / SEVERE LOW
41D WEIKERT-BERKS CHANNERY SILT LOAMS, 15-25% SLOPES C/D .28 RAPID LOW
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS1000 Existing Conditions Plan.dwg PLOTTED: 3/25/2022 1:34 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORK00 50'100'
GRAPHIC SCALE 1"=50'PENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493NORTH100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604EXISTING CONDITIONS PLANCS1000
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICT1.TOPOGRAPHIC INFORMATION SHOWN HEREON IS BASED ON AN ACTUAL FIELD SURVEY COMPLETED JULY 15, 2021.
2.ANY UNDERGROUND UTILITIES SHOWN HAVE BEEN LOCATED FROM FIELD SURVEY INFORMATION AND EXISTING
DRAWINGS. THE SURVEYOR MAKES NO GUARANTEES THAT THE UNDERGROUND UTILITIES SHOWN COMPRISE ALL SUCH
UTILITIES IN THE AREA, EITHER IN SERVICE OR ABANDONED. THE SURVEYOR FURTHER DOES NOT WARRANT THAT THE
UNDERGROUND UTILITIES SHOWN ARE IN THE EXACT LOCATION INDICATED ALTHOUGH HE DOES CERTIFY THAT THEY
ARE LOCATED AS ACCURATELY AS POSSIBLE FROM INFORMATION AVAILABLE.
3.HORIZONTAL ORIENTATION IS BASED ON VA. NAD 83 NORTH ZONE STATE GRID; VERTICAL DATUM IS BASED ON NAVD 88
ELEVATIONS ESTABLISHED USING GPS METHODS.
Marsh & Legge Land Surveyors, P.L.C.
560 NORTH LOUDOUN STREET ~ WINCHESTER, VIRGINIA 22601
PHONE (540) 667-0468 ~ FAX (540) 667-0469 ~ EMAIL office@marshandlegge.com
www.marshandlegge.com
DRAINAGE MANHOLE
HANDICAP PARKING SIGN
INVERT
MAIL BOX
METAL SIGN POST
POLYVINYLCHLORIDE PIPE
REINFORCED CONCRETE PIPE
SANITARY MANHOLE
U/G WATER LINE
U/G ELECTRIC LINE
U/G TELEPHONE LINE
FENCE
ABBREVIATION DEFINITION
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ELECTRIC METER
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EX. PLANTERS
TO REMAIN
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS1500 Demolition Plan.dwg PLOTTED: 3/25/2022 1:34 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORK00 50'100'
GRAPHIC SCALE 1"=50'PENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493NORTH100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604DEMOLITION PLANCS1500
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTNOTES:
1.DEMOLITION WILL BE IN ACCORDANCE WITH PROJECT PHASING PLAN
DAVID L. FRANK
Lic. No.1061
9VAC25-840-40. MINIMUM STANDARDS.
A VESCP MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS:
1.PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN
SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL
STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL
GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE
APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
2.DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES AND BORROW AREAS SHALL BE
STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE
FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE
AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE.
3.A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE
PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL
A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT
EROSION.
4.SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES
INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND-DISTURBING
ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
5.STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND
DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
6.SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE
TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN.
a.THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF
DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES.
b.SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS
GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE
MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF
DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY
OF THE BASIN DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN
RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS
EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED.
7.CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE
EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT
STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE
PROBLEM IS CORRECTED.
8.CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN
ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.
9.WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL
BE PROVIDED.
10.ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED
SO THAT SEDIMENT-LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING
FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.
11.BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE
OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT
CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL.
12.WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE
ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST
EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE
CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE
STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS.
13.WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN
ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF
NONERODIBLE MATERIAL SHALL BE PROVIDED.
14.ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS PERTAINING TO WORKING IN OR
CROSSING LIVE WATERCOURSES SHALL BE MET.
15.THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE
WATERCOURSE IS COMPLETED.
16.UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING
STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA:
a.NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.
b.EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES.
c.EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED
SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY
AFFECT FLOWING STREAMS OR OFF-SITE PROPERTY.
d.MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO
MINIMIZE EROSION AND PROMOTE STABILIZATION.
e.RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER.
f.APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED WITH.
17.WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS
SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE
PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE
ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE
REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT
CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED
IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO
LARGER LAND-DISTURBING ACTIVITIES.
18.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS
AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED,
UNLESS OTHERWISE AUTHORIZED BY THE VESCP AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED
SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY
STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
19.PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM
SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK
FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN
ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA. STREAM RESTORATION AND
RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN CONCEPTS ARE NOT
MAN-MADE CHANNELS AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY
REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS:
a.CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED
DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER
SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE SYSTEM,
DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE
PERFORMED.
b.ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED IN THE FOLLOWING MANNER:
(1)THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA TO THE POINT OF ANALYSIS
WITHIN THE CHANNEL IS 100 TIMES GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF THE
PROJECT IN QUESTION;
(2)(A) NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A TWO-YEAR STORM TO VERIFY THAT
STORMWATER WILL NOT OVERTOP CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL BED OR
BANKS.
(b)ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE ANALYZED BY THE USE OF A
10-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP ITS BANKS AND BY THE USE OF
A TWO-YEAR STORM TO DEMONSTRATE THAT STORMWATER WILL NOT CAUSE EROSION OF CHANNEL
BED OR BANKS; AND
(c)PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY THE USE OF A 10-YEAR STORM TO
VERIFY THAT STORMWATER WILL BE CONTAINED WITHIN THE PIPE OR SYSTEM.
c.IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS
OR PIPES ARE NOT ADEQUATE, THE APPLICANT SHALL:
(1)IMPROVE THE CHANNELS TO A CONDITION WHERE A 10-YEAR STORM WILL NOT OVERTOP THE BANKS
AND A TWO-YEAR STORM WILL NOT CAUSE EROSION TO THE CHANNEL, THE BED, OR THE BANKS.
(2)IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE 10-YEAR STORM IS CONTAINED
WITHIN THE APPURTENANCES;
(3)DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE-DEVELOPMENT PEAK RUNOFF RATE FROM
A TWO YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A NATURAL CHANNEL OR WILL
NOT CAUSE THE PRE-DEVELOPMENT PEAK RUNOFF RATE FROM A 10-YEAR STORM TO INCREASE
WHEN RUNOFF OUTFALLS INTO A MAN-MADE CHANNEL; OR
(4)PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER DETENTION OR OTHER
MEASURES WHICH IS SATISFACTORY TO THE VESCP AUTHORITY TO PREVENT DOWNSTREAM
EROSION
d.THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO MAKE THE IMPROVEMENTS.
e.ALL HYDROLOGIC ANALYSES SHALL BE BASED ON THE EXISTING WATERSHED CHARACTERISTICS AND
THE ULTIMATE DEVELOPMENT CONDITION OF THE SUBJECT PROJECT.
f.IF THE APPLICANT CHOOSES AN OPTION THAT INCLUDES STORMWATER DETENTION, HE SHALL OBTAIN
APPROVAL FROM THE VESCP OF A PLAN FOR MAINTENANCE OF THE DETENTION FACILITIES. THE PLAN
SHALL SET FORTH THE MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE PERSON
RESPONSIBLE FOR PERFORMING THE MAINTENANCE.
g.OUTFALL FROM A DETENTION FACILITY SHALL BE DISCHARGED TO A RECEIVING CHANNEL, AND
ENERGY DISSIPATERS SHALL BE PLACED AT THE OUTFALL OF ALL DETENTION FACILITIES AS
NECESSARY TO PROVIDE A STABILIZED TRANSITION FROM THE FACILITY TO THE RECEIVING CHANNEL.
h.ALL ON-SITE CHANNELS MUST BE VERIFIED TO BE ADEQUATE.
i.INCREASED VOLUMES OF SHEET FLOWS THAT MAY CAUSE EROSION OR SEDIMENTATION ON
ADJACENT PROPERTY SHALL BE DIVERTED TO A STABLE OUTLET, ADEQUATE CHANNEL, PIPE OR PIPE
SYSTEM, OR TO A DETENTION FACILITY.
j.IN APPLYING THESE STORMWATER MANAGEMENT CRITERIA, INDIVIDUAL LOTS OR PARCELS IN A
RESIDENTIAL, COMMERCIAL OR INDUSTRIAL DEVELOPMENT SHALL NOT BE CONSIDERED TO BE
SEPARATE DEVELOPMENT PROJECTS. INSTEAD, THE DEVELOPMENT, AS A WHOLE, SHALL BE
CONSIDERED TO BE A SINGLE DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERS THAT REFLECT
THE ULTIMATE DEVELOPMENT CONDITION SHALL BE USED IN ALL ENGINEERING CALCULATIONS.
k.ALL MEASURES USED TO PROTECT PROPERTIES AND WATERWAYS SHALL BE EMPLOYED IN A MANNER
WHICH MINIMIZES IMPACTS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL INTEGRITY OF RIVERS,
STREAMS AND OTHER WATERS OF THE STATE.
l.ANY PLAN APPROVED PRIOR TO JULY 1, 2014, THAT PROVIDES FOR STORMWATER MANAGEMENT THAT
ADDRESSES ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE
CHANNELS SHALL SATISFY THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL
OR MAN-MADE CHANNELS IF THE PRACTICES ARE DESIGNED TO (I) DETAIN THE WATER QUALITY
VOLUME AND TO RELEASE IT OVER 48 HOURS; (II) DETAIN AND RELEASE OVER A 24-HOUR PERIOD THE
EXPECTED RAINFALL RESULTING FROM THE ONE YEAR, 24-HOUR STORM; AND (III) REDUCE THE
ALLOWABLE PEAK FLOW RATE RESULTING FROM THE 1.5, 2, AND 10-YEAR, 24-HOUR STORMS TO A
LEVEL THAT IS LESS THAN OR EQUAL TO THE PEAK FLOW RATE FROM THE SITE ASSUMING IT WAS IN A
GOOD FORESTED CONDITION, ACHIEVED THROUGH MULTIPLICATION OF THE FORESTED PEAK FLOW
RATE BY A REDUCTION FACTOR THAT IS EQUAL TO THE RUNOFF VOLUME FROM THE SITE WHEN IT
WAS IN A GOOD FORESTED CONDITION DIVIDED BY THE RUNOFF VOLUME FROM THE SITE IN ITS
PROPOSED CONDITION, AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY
REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS AS DEFINED IN ANY REGULATIONS
PROMULGATED PURSUANT TO § 62.1-44.15:54 OR 62.1-44.15:65 OF THE ACT.
m.FOR PLANS APPROVED ON AND AFTER JULY 1, 2014, THE FLOW RATE CAPACITY AND VELOCITY
REQUIREMENTS OF § 62.1-44.15:52 A OF THE ACT AND THIS SUBSECTION SHALL BE SATISFIED BY
COMPLIANCE WITH WATER QUANTITY REQUIREMENTS IN THE STORMWATER MANAGEMENT ACT (§
62.1-44.15:24 ET SEQ. OF THE CODE OF VIRGINIA) AND ATTENDANT REGULATIONS, UNLESS SUCH
LAND-DISTURBING ACTIVITIES (I) ARE IN ACCORDANCE WITH PROVISIONS FOR TIME LIMITS ON
APPLICABILITY OF APPROVED DESIGN CRITERIA IN 9VAC25-870-47 OR GRANDFATHERING IN
9VAC25-870-48 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATION, IN
WHICH CASE THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS OF § 62.1-44.15:52 A OF THE
ACT SHALL APPLY, OR (II) ARE EXEMPT PURSUANT TO § 62.1-44.15:34 C 7 OF THE ACT.
n.COMPLIANCE WITH THE WATER QUANTITY MINIMUM STANDARDS SET OUT IN 9VAC25-870-66 OF THE
VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATION SHALL BE DEEMED TO SATISFY
THE REQUIREMENTS OF THIS SUBDIVISION 19.
20. MAINTAIN A MINIMUM OF 12' FROST DEPTH AT THE EXISTING FOOTINGS.
LONG TERM MAINTENANCE AND REPAIR PLAN
MOWING: ALL GRASSES SHOULD BE MOWED AT LEAST TWICE EACH YEAR. GRASSES SUCH AS TALL
FESCUE SHOULD BE MOWED IN EARLY SUMMER AFTER EMERGENCE OF THE HEADS ON COOL
SEASON GRASSES. THEY SHOULD BE MOWED AGAIN IN THE EARLY FALL TO PREVENT SEEDS OF
ANNUAL WEEDS FROM MATURING. MOWING OF LEGUMES SUCH AS SERICEA LESPEDEZA AND CROWN
VETCH CAN BE PERMITTED TO GROW ON THE DAM OR IN ANY PART OF THE EMERGENCY SPILLWAY.
LIMING AND FERTILIZING: THE SOIL SHOULD BE SAMPLED ACCORDING TO RECOMMENDED
PROCEDURES AT LEAST ONCE EVERY 4 YEARS. THE SAMPLE SHOULD BE TESTED AT A QUALIFIED
SOIL TESTING LABORATORY (SUCH AS THE ONE AT VPI&SU). LIME AND FERTILIZER SHOULD BE
APPLIED IN ACCORDANCE WITH RECOMMENDATIONS BASED ON THE TESTS.
REPLANTING AND OVER SEEDING: IF VEGETATION COVERS LESS THAN 40% OF THE SOIL SURFACE,
LIME, FERTILIZE AND SEED IN ACCORDANCE WITH CURRENT RECOMMENDATIONS FOR NEW SEEDING.
IF VEGETATION COVERS MORE THAN 40% BUT LESS THAN 70% OF THE SOIL SURFACE, LIME
FERTILIZE AND OVER SEED IN ACCORDANCE WITH CURRENT RECOMMENDATIONS.
REMOVING TRASH AND DEBRIS: TRASH, LITTER AND VEGETATION (OTHER THAN GRASS) WILL BE
REMOVED AS NEEDED (BUT NO LESS THAN TWO TIMES PER YEAR) TO PREVENT OBSTRUCTION TO
THE FLOW OF WATER, TO PREVENT MOVEMENT OF TRASH AND LITTER TO DOWNSTREAM
PROPERTIES, TO MAINTAIN THE INTEGRITY OF THE STRUCTURE, TO PROVIDE AN ATTRACTIVE
APPEARANCE AND TO MINIMIZE WATER POLLUTION.
REMOVING SEDIMENT: SOIL MATERIALS (INCLUDING CLAY, SILT, SAND AND GRAVEL) WILL BE
REMOVED BEFORE THE DETENTION POOL LOSES 10% OF THE DESIGNED STORAGE CAPACITY.
SEDIMENT DISPOSAL: SEDIMENT DISPOSAL SHOULD BE IN ACCORDANCE WITH CURRENT
PROCEDURES FOR DISPOSAL OF SEDIMENT. WHERE REQUIRED BY THE APPROPRIATE AUTHORITIES,
THE SEDIMENT WILL BE TESTED FOR APPROPRIATE POLLUTANTS AT THE OWNER'S EXPENSE BEFORE
IT IS REMOVED FROM THE POND.
REPAIRS: REPAIR SLIDES, SLUMPS AND ERODED AREAS PROMPTLY AND IN A WORKMANLIKE MANNER
TRASH RACKS, PIPES, HEADWALLS, ETC. WILL BE MAINTAINED, REPAIRED AND/OR REPLACED AS
NEEDED TO MAINTAIN THE INTEGRITY OF THE STRUCTURE. EXPOSED METAL SURFACES WILL BE
PAINTED TO MINIMIZE DAMAGE DUE TO RUST.
MAINTENANCE INSPECTIONS: THE OWNER WILL BE RESPONSIBLE FOR INSPECTING EACH
STORMWATER MANAGEMENT STRUCTURE AFTER EACH SIGNIFICANT RAINFALL. ONCE EACH YEAR A
REPRESENTATIVE OF DEQ WILL JOINTLY INSPECT EACH STORMWATER MANAGEMENT STRUCTURE.
APPROPRIATE ACTION WILL BE TAKEN TO ENSURE APPROPRIATE MAINTENANCE. ALL MAINTENANCE
COSTS WILL BE BORNE BY THE OWNER. WHERE STRUCTURES ARE TO BE MAINTAINED BY MORE
THAN ONE PARTY, ALLOCATION OF COSTS WILL BE IN ACCORDANCE WITH TERMS SET FORTH IN THE
MAINTENANCE AGREEMENT. KEYS TO LOCKED ACCESS POINTS SHALL BE AVAILABLE TO DEQ
PERSONNEL UPON REQUEST.
MAINTENANCE RECORDS: THE LANDOWNER, OR SOMEONE DESIGNATED BY THE LANDOWNER, SHALL
INSPECT THE DETENTION POND WITHIN 24 HOURS AFTER EACH RAINFALL EVENT OF ONE INCH OR
MORE OF RAIN. THE OWNER OR THE DESIGNEE SHALL KEEP WRITTEN RECORDS OF THESE
INSPECTIONS. THE RECORDS SHALL ALSO INCLUDE MAINTENANCE AND REPAIRS PERFORMED.
COPIES OF THESE RECORDS SHALL BE PROVIDED TO THE COUNTY UPON REQUEST.
THE WATER QUALITY FEATURES SHALL NOT BE MODIFIED IN ANY WAY WITHOUT PRIOR APPROVAL BY
DEQ AND FREDERICK COUNTY.
·TOPSOIL SHALL BE SPREAD AT A MINIMUM DEPTH OF 4".
·PULVERIZED AGRICULTURAL LIMESTONE SHALL BE INCORPORATED INTO SOIL AT A RATE OF 92
LBS. PER 1000 S.F. (2 TONS PER ACRE).
·FERTILIZE WITH 10-20-10 AT A RATE OF 12 LBS. PER 1000 S.F. (500 LBS. PER ACRE). SEED MIX
SHALL CONSIST OF 90% KENTUCKY 31 TALL FESUE AND 10% KENTUCKY BLUEGRASS APPLIED AT
THE RATE OF 200 LBS. PER ACRE.
EROSION AND SEDIMENT CONTROL NARRATIVE
PROJECT DESCRIPTION
THIS IS AN EXISTING ELEMENTARY SCHOOL BUILDING LOCATED AT 1548 HAYFIELD ROAD. THE
PARCEL IS 19.5064 ACRES OF WHICH WE ARE DISTURBING 3.95 ACRES. IMPROVEMENTS TO THE SITE
WILL INCLUDE REVISED GRADING, INSTALLATION OF ADDITIONAL STORM STRUCTURES AND PIPES, A
NEW CONCRETE SIDEWALK, TWO NEW MOBILE CLASSROOM BUILDINGS, AND AN EMERGENCY
ACCESS ROAD.
EXISTING SITE CONDITIONS
THE SITE IS CURRENTLY USED AS AN ELEMENTARY SCHOOL AND ITS SLOPES RANGE FROM 1.00% TO
50% AND IS A MIX OF BUILDINGS, ASPHALT AND MANAGED TURF.
ADJACENT PROPERTY
THE PROJECT IS BORDERED BY AGRICULTURAL LAND TO THE SOUTH AND WEST, INDIAN HOLLOW
ROAD TO THE NORTH, AND NORTH HAYFIELD ROAD & RESIDENTIAL PROPERTY TO THE EAST.
OFF-SITE AREAS
NO OFF-SITE AREAS ARE ASSOCIATED WITH THIS PROJECT.
SOILS AND GEOLOGY
SEE SHEET CS1000 FOR SOILS INFORMATION.
CRITICAL AREAS
CRITICAL AREAS, CONSIST OF 2.5 OR 3:1 SLOPES. THESE SLOPES HAVE THE POTENTIAL FOR
GREATER EROSION AND SHALL BE IMMEDIATELY STABILIZED AFTER REACHING FINAL GRADE.
EROSION AND SEDIMENT CONTROL MEASURES
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT
CONTROL MEASURES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM
STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
STRUCTURAL MEASURES
THE CONSTRUCTION ENTRANCE AND SILT FENCES SHOWN ON THE PLANS SHALL BE CONSTRUCTED
AS A FIRST STEP IN ANY LAND-DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE
UP-SLOPE LAND DISTURBANCE TAKES PLACE.
PHASE I:
CONSTRUCTION ENTRANCE WITH WASH RACK (3.02) SHALL BE INSTALLED AT THE LOCATION SHOWN
ON THE EROSION AND SEDIMENT CONTROL PLAN TO PREVENT MUD AND DEBRIS FROM BEING
TRACKED ONTO ROADWAYS.
SILT FENCE WITH WIRE SUPPORT (3.05) SHALL BE INSTALLED AS SHOWN ON THE PLANS TO FILTER
RUNOFF FROM DISTURBED AREAS BEFORE IT LEAVES THE SITE.
INSTALL SEDIMENT TRAP PER EROSION PHASE I PLAN.
CULVERT INLET PROTECTION (3.08) SHALL BE INSTALLED AS SHOWN ON PLANS TO FILTER RUNOFF
BEFORE IT LEAVES THE SITE.
OUTLET PROTECTION (3.18) SHALL BE INSTALLED AT OUTLET STRUCTURES TO MINIMIZE POTENTIAL
FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY ON CONCENTRATED
STORMWATER FLOWS.
TEMPORARY SEEDING (3.31) AND/OR PERMANENT SEEDING (3.32) SHALL BE PLACED ON ALL CRITICAL
SLOPES (3:1 OR GREATER) AND AS NEEDED TO STABILIZE DISTURBED AREAS.
PHASE II:
ALL CONTROLS INSTALLED IN PHASE I SHOULD REMAIN UNTIL THE SITE IS STABILIZED.
ROCK CHECK DAMS (3.20) SHALL BE INSTALLED TO SLOW DOWN RUNOFF AND REMOVE SEDIMENT
ALONG THE SWALE.
SOIL STABILIZATION MATTING (3.36) SHALL BE INSTALLED ON DISTURBED SLOPES STEEPER THAN 3:1.
VEGETATIVE MEASURES
PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN
SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL
STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY NOT BE AT
FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN FOURTEEN (14) DAYS. PERMANENT
SOIL STABILIZATION SHALL BE APPLIED TO ALL AREAS THAT ARE TO BE LEFT DORMANT FOR MORE
THAN SIX (6) MONTHS.
SOIL THAT HAS BEEN STOCKPILED SHALL BE SURROUNDED WITH SILT FENCE AND PROTECTED BY
MULCH AND/OR TEMPORARY VEGETATION IMMEDIATELY AFTER GRADING.
ALL EARTH BERMS, DAMS, DIKES, DIVERSIONS AND SEDIMENT TRAP EMBANKMENTS ARE TO BE
MACHINE-COMPACTED, IMMEDIATELY SEEDED AND MULCHED (HAY MULCH OR STRAW) FOR
TEMPORARY AND/OR PERMANENT VEGETATIVE COVER WITHIN FIVE (5) DAYS AFTER GRADING.
VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO
INHIBIT EROSION.
MANAGEMENT STRATEGIES
CONSTRUCTION SHALL BE SEQUENCED SUCH THAT GRADING OPERATIONS WILL BEGIN AND END AS
QUICKLY AS POSSIBLE.
THE SITE SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF
ALL EROSION AND SEDIMENT CONTROL MEASURES. MAINTENANCE OF THESE MEASURES
THROUGHOUT THE PROJECT ARE CRITICAL TO THE EFFECTIVENESS OF THE PROGRAM.
AFTER AREAS ABOVE CONTROLS HAVE BEEN STABILIZED, THE CONTROLS SHALL BE CLEANED UP
AND REMOVED AT THE DIRECTION OF THE FREDERICK COUNTY INSPECTOR.
ALL CUT AND FILL SLOPES ARE TO BE SEEDED AND MULCHED WITHIN FIVE (5) DAYS OF COMPLETION
OF GRADING. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT
WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR
OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING
MEASURES UNTIL THE PROBLEM IS CORRECTED.
DRAINAGE SWALES SHALL BE STABILIZED WITH CHECK DAMS UNTIL VEGETATION HAS BEEN WELL
ESTABLISHED, AT WHICH TIME THE CHECK DAMS SHALL BE REMOVED.
CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN
AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME, OR SLOPE DRAIN STRUCTURE.
WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION
SHALL BE PROVIDED.
ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE
PROTECTED SO THAT SEDIMENT-LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM
WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.
WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS,
PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING
ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD
SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY.
SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED
TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER
SEDIMENT IS REMOVED IN THIS MANNER.
ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30
DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER
NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED
SEDIMENT AND THE DISTURBED SOILS AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY
MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND
SEDIMENTATION.
DEVICES LISTED ABOVE ARE CONSIDERED MINIMUM EROSION AND SEDIMENT CONTROLS.
ADDITIONAL CONTROL MEASURES MAY BE NECESSARY DUE TO CONTRACTOR PHASING OR OTHER
UNFORESEEN CONDITIONS. IT IS THE CONTRACTOR'S RESPONSIBILITY TO PROVIDE ADDITIONAL
MEASURES TO THOSE SHOWN, AS NEEDED, IN ORDER TO CONTROL EROSION AND CONTAIN
SEDIMENT ON SITE. ALL MEASURES SHALL BE INSTALLED ACCORDING TO THE STANDARDS AND
SPECIFICATIONS IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.(VESCH) ANY
CHANGES MADE TO THIS PLAN MUST BE RESUBMITTED FOR APPROVAL WITHOUT EXCEPTION.
MAINTENANCE
ALL CONTROL MEASURES SHALL BE INSPECTED DAILY BY THE SITE SUPERINTENDENT OR HIS
REPRESENTATIVE AND WITHIN 24 HOURS AFTER ANY STORM EVENT GREATER THAN 0.5 INCHES OF
RAIN PER 24 HOUR PERIOD. ANY DAMAGED STRUCTURAL MEASURES ARE TO BE REPAIRED BY THE
END OF THE DAY. SEEDED AREAS SHALL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND
OF GRASS IS MAINTAINED. ALL AREAS SHALL BE FERTILIZED AND RESEEDED AS NEEDED UNTIL
GRASS IS ESTABLISHED. FILL SLOPES GREATER THAN 3:1 WILL REQUIRE A SLOPE STABILITY
ANALYSIS & MAINTENANCE PLAN.
TRAPPED SEDIMENT IS TO BE REMOVED AS REQUIRED TO MAINTAIN 50% TRAP EFFICIENCY AND
DISPOSED OF BY SPREADING ON SITE.
GRAVEL OUTLETS SHALL BE CHECKED REGULARLY FOR SEDIMENT BUILD-UP. IF THE GRAVEL
OUTLET IS CLOGGED BY SEDIMENT, IT SHALL BE REMOVED AND CLEANED OR REPLACED
IMMEDIATELY.
THE CONTRACTOR IS RESPONSIBLE FOR KEEPING EXISTING PUBLIC ROADS IN A CLEAN, DUST AND
MUD FREE, CONDITION AT ALL TIMES.
PERMANENT STABILIZATION
ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING
IMMEDIATELY FOLLOWING FINAL GRADING. SEEDING SHALL BE DONE ACCORDING TO STANDARD
AND SPECIFICATION NO. 3.32 OF THE VESCH. PERMANENT STABILIZATION IS DEFINED AS 90%
UNIFORM COVERAGE ON THE ENTIRE SITE, ABILITY TO INHIBIT EROSION AND MATURE ENOUGH TO
SURVIVE, INCLUDING 2-3 INCH CUTTINGS.
PHASES OF LAND DISTURBANCE ACTIVITIES
1.MANDATORY PRE-CONSTRUCTION CONFERENCE SHALL BE SCHEDULED AS REQUIRED BY
REGULATIONS.
2.CLEARING AND GRUBBING FOR SEDIMENT CONTROL DEVICES ONLY.
3.INSTALLATION OF ALL PHASE I EROSION & SEDIMENT CONTROL DEVICES.
4.OBTAIN COUNTY INSPECTOR APPROVAL.
5.ROUGH GRADE SITE AND CONSTRUCT FACILITIES.
6.RESTORATION AND STABILIZATION OF DISTURBED AREAS.
7.REMOVE ALL EROSION & SEDIMENT CONTROL MEASURES WITH THE APPROVAL OF THE
INSPECTOR.U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS2000 ES NARRATIVE.dwg PLOTTED: 3/25/2022 1:37 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604EROSION AND SEDIMENT CONTROL NARRATIVECS2000
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
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BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK0030'60'GRAPHIC SCALE 1"=30'PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493
NOR
T
H100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
EROSION AND SEDIMENT CONTROL PLAN PHASE ICS2100TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICT DAVID L. FRANKLic. No.1061
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BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK0030'60'GRAPHIC SCALE 1"=30'PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493
NOR
T
H100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
EROSION AND SEDIMENT CONTROL PLANS PHASE IICS2200TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICT DAVID L. FRANKLic. No.1061
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS2500 ES DETAILS.dwg PLOTTED: 3/25/2022 1:41 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604EROSION AND SEDIMENT CONTROL DETAILSCS2500
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
Version 1.9 March 1, 2011 Page 7 OF 20
Version 1.9 March 1, 2011
Version 1.9 March 1, 2011
Page 7 OF 20
Page 8 OF 20
TYPICAL PARABOLIC DIVERSION
TYPICAL TRAPEZOIDAL DIVERSION
TYPICAL VEE-SHAPED DIVERSION
0.3' FREE BOARD
0.3' FREE BOARD
10% SETTLEMENT
Source: Va. DSWC
DESIGN FLOW DEPTH
DESIGN FLOW DEPTH
10% SETTLEMENT
10% SETTLEMENT
0.3' FREE BOARD
DESIGN FLOW DEPTH
Plate 3.12-1
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS2501 ES DETAILS.dwg PLOTTED: 3/25/2022 1:41 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604EROSION AND SEDIMENT CONTROL DETAILSCS2501
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
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AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORK00 30'60'
GRAPHIC SCALE 1"=30'PENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493NORTH100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604SITE PLANCS4001
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
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BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK0030'60'GRAPHIC SCALE 1"=30'PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493
NOR
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H100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
GRADING PLANCS4100TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICTINSET A - AC AREA PHASE 2 GRADING PLANSCALE: 1" = 20'0020'40'GRAPHIC SCALE 1"=20'DAVID L. FRANKLic. No.1061EMERGENCY ACCESS LANEFOR SECTION SEE CS4500
CONCRETE SIDEWALK
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4" DENSE GRADED STONE (21B)
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12" 21B
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20'
24'
2'
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2'
SHOULDER
1":1'
1":1'
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1. 4" MINIMUM, PROVIDED ATTAINING 4" OF AGGREGATE ON TOP OF PIPE
2. OUTLET PIPES ARE TO BE INSTALLED ON 2% MIN. (3% DESIRABLE) GRADE AND LOCATED EVERY 350'
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GEOTEXTILE DRAINAGE FABRIC
(OVERLAP 1' AT TOP)
4" PIPE
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COVER/GRATE
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GLASS MEETING #8 GRADATION REQUIREMENT
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS4500 Site Details.dwg PLOTTED: 3/25/2022 1:43 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORKPENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604SITE DETAILSCS4500
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061
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BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK00100'200'GRAPHIC SCALE 1"=100'PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493
NOR
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100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
DRAINAGE DIVIDESCS5200TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICT DAVID L. FRANKLic. No.1061EXISTING CONDITION00100'200'GRAPHIC SCALE 1"=100'NOR
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TWP w/ELEC.OUTLET3.37 ACTREE CONSERVATIONEASEMENTL1L2L3L
4L5L6L7L
8L9L10L11L12L13L14L15L16L17L18L19C1L20C2L21C3L22C4
L23C5L24L25
L26L27L28
L29
L30
EASEMENT LINE TABLELINE #L1L2L3L4L5L6L7L8L9L10L11L12L13L14L15L16L17L18L19L20BEARINGS 71°00'10" WN 80°19'43" WN 79°16'40" WN 85°32'58" WN 81°59'43" WN 70°02'03" WN 67°25'52" WN 87°49'50" WN 71°56'29" WN 83°48'18" WN 76°51'31" WN 75°17'39" WN 83°03'12" WS 45°56'53" WS 19°54'36" WS 11°43'33" WS 35°12'23" WS 08°25'35" WS 08°25'35" WS 48°40'11" EDISTANCE13.29'56.71'79.94'45.97'64.14'36.12'59.76'49.96'44.02'51.94'68.07'51.95'19.40'20.44'94.54'87.23'51.74'15.58'13.25'18.73'EASEMENT LINE TABLELINE #L21L22L23L24L25L26L27L28L29L30BEARINGS 15°27'02" ES 64°05'55" ES 02°54'31" ES 07°11'01" WS 50°17'37" WS 41°51'58" WS 22°35'18" WS 58°13'23" WS 52°53'01" WS 41°49'49" WDISTANCE20.94'16.91'19.97'7.12'24.45'21.75'17.91'24.27'51.86'38.53'EASEMENT CURVE TABLECURVE #C1C2C3C4C5RADIUS32.00'43.00'32.00'28.00'93.00'DELTA057°05'46"033°13'09"048°38'53"061°11'24"010°05'32"ARC LENGTH31.89'24.93'27.17'29.90'16.38'TANGENT17.4112.8314.4616.568.21CHORD LENGTH30.59'24.58'26.36'28.50'16.36'CHORD BEARINGS 20°07'18" ES 32°03'37" ES 39°46'29" ES 33°30'13" ES 02°08'15" WU:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS5300 Water quality.dwg PLOTTED: 3/25/2022 2:07 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGS
BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK
PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
WATER QUALITYCS5300TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICT DAVID L. FRANKLic. No.1061CONSERVATION EASEMENTEXHIBIT00100'200'GRAPHIC SCALE 1"=100'NOR
T
H
12" COUNTER SINKEX. 18" RCP OUTLET PIPEPIPE INVERT3.5" ORIFICE ATINVERT OF EX. 18"RCP OUTLET PIPE4" STEEL PLATEENERGY BALANCE PLATEDETAIL (NTS)INDIAN HOLLOW ELEMENTARY SCHOOL STORMWATER MANAGEMENT NARRATIVEOVERVIEWTHE "INDIAN HOLLOW ELEMENTARY SCHOOL" PROJECT SITE IS LOCATED IN FREDERICK COUNTY, VIRGINIA WITHIN THE GAINESBORO MAGISTERIALDISTRICT. THIS SITE IS SPECIFICALLY LOCATED ON THE WEST SIDE OF NORTH HAYFIELD ROAD (ROUTE 600), NORTH OF NORTHWESTERN PIKE(ROUTE 50). THIS +/- 19.5-ACRE PROPERTY IS IDENTIFIED AS PROPERTY IDENTIFICATION NUMBER 40-A-31-A, IS OWNED BY THE FREDERICK COUNTYSCHOOL BOARD AND IS CURRENTLY ZONED RA. ALL DRAINAGE FROM THE SITE AND SURROUNDING PROPERTIES DRAINS TOWARD AN UNNAMEDTRIBUTARY OF HOGUE CREEK. THE SITE IS CURRENTLY AN EXISTING ELEMENTARY SCHOOL WITH IMPERVIOUS, MANAGED TURF AND FORESTEDAREAS WITH SLOPES GENERALLY RANGING FROM LESS THAN 1.0% TO APPROXIMATELY 50%.THIS PROJECT PROPOSES THE RENOVATION OF THE EXISTING SCHOOL BUILDING CONSTRUCTED IN 1988. THE PROJECT IS STRICTLY DRIVEN BYARCHITECTURAL UPGRADES AND IMPROVEMENTS; HOWEVER, THESE IMPROVEMENTS WILL TRIGGER THE CONSTRUCTION OF MINOR GRAVEL FIRELANE EXTENSIONS AND BUILDING PERIMETER DRAINAGE IMPROVEMENTS. SITE IMPACTS OUTSIDE OF THE BUILDING ARE MINIMAL AND LINEAR INNATURE DUE TO UTILITY UPGRADES. THE EXISTING STORMWATER MANAGEMENT FACILITIES WILL CONTINUE TO ADEQUATELY MEET THE MINIMUMSTORMWATER QUANTITY REQUIREMENTS. PLACING THE UNDISTURBED WOODED AREAS OF THE PROPERTY INTO CONSERVATION EASEMENT INADDITION TO THE EXISTING FACILITIES WILL MEET THE MINIMUM STORMWATER QUALITY REQUIREMENTS.PRE-DEVELOPMENT CONDITIONSTHE ELEMENTARY SCHOOL WAS CONSTRUCTED IN A RURAL AREA AND IS GENERALLY SURROUNDED BY MANAGED AGRICULTURAL FIELD LAND USES.THE AREAS OF THE SITE IMPACTED BY THE PROPOSED IMPROVEMENTS DISCHARGE SURFACE RUNOFF IN TWO GENERAL DIRECTIONS. THE PRIMARYDRAINAGE AREA IS THAT WHICH CONTRIBUTES TO THE EXISTING STORMWATER DETENTION POND CONSTRUCTED WITH THE 1988 SITE PLAN. THEREARE UNCONTROLLED AREAS DRAINING OF-SITE IN A SOUTHERLY DIRECTION. THE SECONDARY DRAINAGE AREA STUDIED IS ONE OF THESEUNCONTROLLED DRAINAGE SHEDS ON THE SOUTHERN SIDE OF THE EXISTING STRUCTURE.POST-DEVELOPMENT CONDITIONSTHE POST-DEVELOPMENT DRAINAGE PATTERNS ARE IDENTICAL TO THE PRE-DEVELOPMENT DRAINAGE PATTERNS. THE SITE STILL DISCHARGESSURFACE RUNOFF AT THE SAME LOCATIONS, HOWEVER, DRAINAGE IMPROVEMENTS AND THE ADDITION OF A GRAVEL FIRE LANE RESULTED WITH THESTUDY OF NEW SUB-SHEDS WITHIN THE PRIMARY DRAINAGE SHED. THE IMPROVEMENTS IN THE SECONDARY DRAINAGE SHED TO THE SOUTHRESULT IN CONTINUED SHEET FLOW DISCHARGE AS IT CURRENTLY DOES. THERE IS A 3.37-ACRE FORESTED AREA THAT WILL BE PRESERVED ANDPLACED WITHIN AN EASEMENT FOR THIS PROJECT TO ADEQUATELY MEET THE POST-DEVELOPMENT VRRM SWM WATER QUALITY DESIGNREQUIREMENTS.WATER QUALITY CONTROL (BMP)THE TOTAL PHOSPHORUS LOAD REDUCTION REQUIRED FOR THIS DEVELOPMENT IS 1.91 LBS/YEAR, AND THE TOTAL PHOSPHORUS LOAD REDUCTIONPROVIDED FOR BY THE PROJECT IS 1.89 LBS/YEAR. A TOTAL OF 0.02 LBS OF NUTRIENT CREDITS WILL BE SECURED THROUGH AN AUTHORIZEDNUTRIENT BANK. THE WATER QUALITY REQUIREMENTS FOR PHOSPHORUS LOAD REDUCTION ARE SATISFIED THROUGH PROVIDING CONTINUEDSHEET FLOW THROUGH A CONSERVED FORESTED AREA, UTILIZING THE EXISTING DRY POND AND PURCHASING THE REMAINING CREDITS.WATER QUANTITY CONTROL (SWM)WATER QUANTITY REQUIREMENTS FOR CHANNEL PROTECTION AND FLOOD PROTECTION ARE SATISFIED FOR THE PROJECT THROUGH AMODIFICATION OF THE EXISTING POND STRUCTURE ASSOCIATED WITH DRAINAGE AREA DA #1. STORMWATER INCREASES RESULTING FROM THEPROPOSED DISCONNECTED IMPERVIOUS AREAS OUTSIDE OF THE DRAINAGE AREA FLOWING TO THE EXISTING POND DO NOT INCREASEDOWN-GRADIENT EROSION, FLOODING, OR SEDIMENTATION. PER 9VAC25-870-66.D, NO FURTHER WATER QUANTITY CONTROL IS REQUIRED IN THEAREAS OUTSIDE OF DA#1.CHANNEL PROTECTIONFOR THE PRIMARY DRAINAGE SHED (DA #1) STUDY POINT, CHANNEL PROTECTION IS MET BY 9VAC25-870-66.B.1.B, SUCH THAT 9VAC25-870-66.B.3 HASBEEN SATISFIED. 9VAC25-870-66.B.3 IS SATISFIED BY MEETING THE REQUIREMENTS OF THE "ENERGY BALANCE EQUATION". THE OUTFALLSTRUCTURE MODIFICATION PROPOSED TO THE EXISTING POND IS PLACING A PLATE RESTRICTING FLOW AT THE LOWEST LEVELS ON THE STORMPOND. WHEN COUPLED BY THE INCREASE IN THE TIME OF CONCENTRATION WITH THE ADDITION OF THE DRAINAGE DITCHES AND OVERLAND FLOWPATH LENGTH, A REDUCTION IN PEAK FLOW RESULTED IN THE STORMWATER POND ROUTING WHICH IS SATISFYING THE CHANNEL PROTECTIONREQUIREMENTS OF 9VAC25-870-66.B.3. LIMITS OF ANALYSIS FOR CHANNEL PROTECTIONTHE LIMITS OF ANALYSIS FOR CHANNEL PROTECTION IS MET BY 9VAC25-870-66.B.4, SUCH THAT 9VAC25-870-66.B.3 HAS BEEN SATISFIED. 9VAC25-870-66.B.3 IS SATISFIED BY MEETING THE REQUIREMENTS OF THE "ENERGY BALANCE EQUATION". IN ADDITION THE PROJECT MEETS9VAC25-870.66.B.4.B, WHERE THE SITES PROPOSED PEAK FLOW RATE IS LESS THAN OR EQUAL TO THE EXISTING 24 HOUR 1-YEAR PEAK FLOW RATE.FLOOD PROTECTIONAT STUDY POINT 1, FLOOD PROTECTION IS MET BY 9VAC25-870-66.C.1, SUCH THAT THE POINT OF DISCHARGE RELEASES STORMWATER INTO ASTORMWATER CONVEYANCE SYSTEM THAT, FOLLOWING THE LAND-DISTURBING ACTIVITY, CONFINES THE POST DEVELOPMENT PEAK FLOW RATEFROM THE 10-YEAR 24-HOUR STORM EVENT WITHIN THE STORMWATER CONVEYANCE SYSTEM.LIMITS OF ANALYSIS FOR FLOOD PROTECTION9VAC25-870-66.C.3 HAS BEEN SATISFIED, SUCH THAT 9VAC25-870-66.C.2.B AND 9VAC25-870-66.C.3.B HAVE BEEN SATISFIED. 9VAC25-870-66.C.2.B ISSATISFIED BY RELEASING POST-DEVELOPMENT PEAK FLOW FOR THE 10 YEAR 24 HOUR STORM EVENT AT RATES THAT ARE LESS THAN THEPRE-DEVELOPMENT PEAK FLOW RATE FROM THE 10 YEAR 24 HOUR STORM EVENT.U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS5400 Water quantity.dwg PLOTTED: 3/25/2022 2:07 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGS
BYNO.DATE REVISIONSRRMMX21005AS NOTEDCJM2021-11-18RAMAPPROVED BYDRAWN BYDRAWING SCALEDATEPROJECTALL DOCUMENTS PREPARED BY PENNONI ASSOCIATESARE INSTRUMENTS OF SERVICE IN RESPECT OF THEPROJECT. THEY ARE NOT INTENDED OR REPRESENTEDTO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ONTHE EXTENSIONS OF THE PROJECT OR ON ANY OTHERPROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATIONOR ADAPTATION BY PENNONI ASSOCIATES FOR THESPECIFIC PURPOSE INTENDED WILL BE AT OWNERSSOLE RISK AND WITHOUT LIABILITY OR LEGALEXPOSURE TO PENNONI ASSOCIATES; AND OWNERSHALL INDEMNIFY AND HOLD HARMLESS PENNONIASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES ANDEXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTOR
AND OWNER MUST BE NOTIFIED OF ANY
DISCREPANCIES BEFORE PROCEEDING WITH WORK
PENNONI ASSOCIATES INC.
117 East Piccadilly Street
Winchester, VA 22601
T 540.667.2139 F 540.665.0493100% CD PLAN SET 01/31/2022 03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLS
PO BOX 3508 | WINCHESTER, VA. 22604
WATER QUANTITYCS5400TOTAL SHEETS17INDIAN HOLLOW ELEMENTARY SCHOOL
MINOR RENOVATIONS AND REPAIRS
CONSTRUCTION DRAWINGS
1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603
GAINESBORO MAGISTERIAL DISTRICT DAVID L. FRANKLic. No.1061
STRM 3 TO 5.4
HORIZONTAL SCALE: 1" = 30'
VERTICAL SCALE: 1" = 3'
758
760
765
770
775
780
785
790
795
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758
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780
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9+50 10+00763.0775.311+00778.0778.812+00779.0779.413+00779.6778.614+00780.7779.8780.1415+00782.6778.98783.2782.8316+00NEW RIM ELEV=778.00EX 5 - EX. DI-1INV IN 767.00 (EX 5.1)INV OUT 766.80 ()12+85.77RIM=778.68EX 5.2 - EX. DI-1INV IN 769.58 (5.3)INV OUT 769.38 (EX 5.1)14+23.7373 LF 3
0
"
H
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@ 3.32%RIM=778.605.3 - DI-7INV IN 773.00 (5.4)INV OUT 772.00 (EX 5.2)14+96.6367 LF 30" RCP
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@ 1.64%
71 LF 30" RCP
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137 LF 30" RC
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%RIM=777.28EX 5.1 - DI-1INV IN 768.28 (EX 5.2)INV OUT 768.08 (EX 5)13+56.76EX SWM POND
EX. GRADE
FIN. GRADE
SSWR XING STA. 11+29.666" PVC INV=771.00WATR XING STA. 11+71.404" DIP INV=774.45WATR XING STA. 12+12.744" DIP INV=774.45WATR XING STA. 13+90.504" DIP INV=776.21APPROX WATR XING STA. 14+58.684" DIP INV=775.87STA:10+00.00
INV:762.31
87 LF
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@ 4.07%RIM=778.505.4 - DI-1INV OUT 776.55 (5.3)15+83.93WATR XING STA. 15+19.204" DIP INV=778.65WATR XING STA. 15+28.472.5" DIP INV=778.8032"
CLEAR31"
CLEARSta=15+19.20TEST PIT REQUIREDSta=14+87.43TEST PIT REQUIREDSta=14+58.83TEST PIT REQUIREDSta=15+28.47TEST PIT REQUIREDCONTRACTOR SHALL TEST PIT
AND VERIFY EX. UTILITY DEPTH
AND CROSSING CLEARANCE
6A TO 6.1A
HORIZONTAL SCALE: 1" = 30'
VERTICAL SCALE: 1" = 3'
778
780
785
790
795
778
780
790
9+50 10+00785.7784.0011+00
34 LF 15" HDPE @ 0.89%6.1A - 15" FESINV 784.30 (6A)10+36.046A - 15" FESINV 784.00 (6.1A)10+02.38FIN. GRADE
EX. GRADE
STRM 10A TO 10.1A
HORIZONTAL SCALE: 1" = 30'
VERTICAL SCALE: 1" = 3'
768
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785
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9+50 10+00777.9776.4010+50
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STA:10+00.00
INV:776.40
STA:10+26.12
INV:777.00
FIN. GRADE
EX. GRADE
WATR XING STA. 10+04.924" SDR-35 INV=773.66STRM 11A TO 11.1A
HORIZONTAL SCALE: 1" = 30'
VERTICAL SCALE: 1" = 3'
772
775
780
785
772
780
9+50 10+00779.7779.7010+50
(4) 18 LF
12" SDR-35
@ 1.65%
STA:10+00.00
INV:777.70
STA:10+18.16
INV:778.00
FIN. GRADE
EX. GRADE
U:\Accounts\RRMMX\RRMMX21005 - Indian Hollow ES Renovation\DESIGN\_SHEETS\02-Design Development\CS6100 STORM PROFILES.dwg PLOTTED: 3/25/2022 2:07 PM, BY: Liliana Hernandez PLOTSTYLE: Pennoni NCS.stb PROJECT STATUS: CONSTRUCTION DRAWINGSBYNO.DATEREVISIONSRRMMX21005
AS NOTED
CJM
2021-11-18
RAMAPPROVED BY
DRAWN BY
DRAWING SCALE
DATE
PROJECT
ALL DOCUMENTS PREPARED BY PENNONI ASSOCIATES
ARE INSTRUMENTS OF SERVICE IN RESPECT OF THE
PROJECT. THEY ARE NOT INTENDED OR REPRESENTED
TO BE SUITABLE FOR REUSE BY OWNER OR OTHERS ON
THE EXTENSIONS OF THE PROJECT OR ON ANY OTHER
PROJECT. ANY REUSE WITHOUT WRITTEN VERIFICATION
OR ADAPTATION BY PENNONI ASSOCIATES FOR THE
SPECIFIC PURPOSE INTENDED WILL BE AT OWNERS
SOLE RISK AND WITHOUT LIABILITY OR LEGAL
EXPOSURE TO PENNONI ASSOCIATES; AND OWNER
SHALL INDEMNIFY AND HOLD HARMLESS PENNONI
ASSOCIATES FROM ALL CLAIMS, DAMAGES, LOSSES AND
EXPENSES ARISING OUT OF OR RESULTING THEREFROM.ALL DIMENSIONS MUST BE VERIFIED BY CONTRACTORAND OWNER MUST BE NOTIFIED OF ANYDISCREPANCIES BEFORE PROCEEDING WITH WORK00 50'100'
GRAPHIC SCALE 1"=50'PENNONI ASSOCIATES INC.117 East Piccadilly StreetWinchester, VA 22601T 540.667.2139F 540.665.0493100% CD PLAN SET 01/31/2022
03/25/2022
FREDERICK COUNTY PUBLIC SCHOOLSPO BOX 3508 | WINCHESTER, VA. 22604STORM PROFILESCS6100
TOTAL SHEETS 17INDIAN HOLLOW ELEMENTARY SCHOOLMINOR RENOVATIONS AND REPAIRSCONSTRUCTION DRAWINGS1548 NORTH HAYFIELD RD. | WINCHESTER, VA. 22603GAINESBORO MAGISTERIAL DISTRICTDAVID L. FRANK
Lic. No.1061