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PAVEMENT / SUBJECT PROP
S 48,325 SQ. FT. + -
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PROJECT LOCATION
ARTA OF PCD PROPERTY: 1.063 ACRES
CSITE
INFORMATION
STORM WATER WILL BE DETAINED IN A SURFACE PONDS,
TOIIL. AREA TO DETAIN: 2.20 ACRES
1. 1.063 ACRES
2. GROSS S.F. OF BUILDING: 4,000 S.F.
3. PARKING SPACE: 9' x 18.5' DRIVE AISLE 24'
4. PROPOSED USE: DENTAL CLINIC
0(25)(PRE-DEVELOPED)':
AREA AND ONE ON THE SOUTH THAT WILL COLLECT THE REAR
('PRIOR TO MONTESSORI SCHOOL DEVELOPMENT)
PARKING AND THE EXISTING RUN OFF FROM THE EXISTING
C(25): 0.44 (TABLE 2.1, LR DRAINAGE MANUAL)
PARKING COUNT
Q=CUL, C=0.44, 1=8.4 IN/HR., A=2.20 ACRES
DENTAL CUNIC.
0(25)(PRE-DEVELOPED): (0.44)(8.4)(2.20)=8.13 C.F.S.
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PROVIDED:
REQUIRED
REGULAR 9' x 18.5': 24
HANDICAPPED: 1
25
PARKING: 12
Q(2i)(POST-DEVELOPED):
Q(25)(PRE)=(0.44)(8.4)(2.20)=8.13 C.F.S. (ALLOWABLE)
C(25, WEIGHTED)
Q(25)(POST)=(0.66)(8.4)(2.20)=12.20 C.F.S.
SITE AREAS
PR(POSED BUILDING AREA 10,712 S.F. = 0.25 AC.
TOTAL VOLUME OF SOUTH POND: 5,955 CU. FT.
6,:12 S.F. "EXISTING' AND 4,200 S.F. PROPOSED
( ")
TOTAL VOLUME OF SOUTH POND: 7,328 CU. FT.
TOTAL AREA = 46,304 SQUARE FEET
BUILDING AREA = 4,000 SQUARE FEET 8.64%
PARKING AREA = 10,685 SQUARE FEET 23.1%
LANDSCAPE AREA = 29,852 SQUARE FEET 68.3%
TOTAL POST -DEVELOPED 0(25) RUNOFF: 12.20 C.F.S.
(20443 S.F. "EXISTING" AND 12,172 S.F. PROPOSED)
PROPOSED
ZONING: P.Z.D.
TOTAL Q 25 RELEASE FROM DETENNON: 3.70 C.F.S.
TOTAL PROPOSED IMPERVIOUS AREA: 1.00 ACRES
6.11 C.F.S. < 8.13 C.F.S. 25 YR WSEL: 307.62, 307.40
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TOTAL POST -DEVELOPED Q(100) RUNOFF: 15.10 C.F.S.
ARIAS: (1.2 (0.44)=0.53
TOTAL 0(25) UNDETAINED: 2.95 C.F.S.
(1.0)(0.93)=0.93
TOTAL Q(IDO)RELEASE FROM DETENTION: 4.00 C.F.S.
1.46
6.95 C.F.S. < 10.07 C.F.S. 100 YR WSEL: 307.87, 307.72
C(PEIGHTED): 1.46/2.20=0.66
Q=Uk C=0.66, I=8.4 IN/HR., A=2.20 ACRESQ(25)=(0.44)(8.4)(4.73)=17.48
OFF-SITE STORM WATER FROM THE EAST (4.73 AC,I:
C.F.S.
Q(7)(POST-DEVELOPED): (0.66)(8.4)(2.20)=12.20 C.F.S.
Q(100)=(0.50)(10.2)(4.73)=24.12 C.F.S.
OFFSITE RUN-OFF WILL PASS THROUGH THE SOUTH POND.
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PROJECT LOCATION
PRELIMINARY STORM WATER RUN-OFF/DETENTION CALCULATIONS
ARTA OF PCD PROPERTY: 1.063 ACRES
CSITE
INFORMATION
STORM WATER WILL BE DETAINED IN A SURFACE PONDS,
TOIIL. AREA TO DETAIN: 2.20 ACRES
1. 1.063 ACRES
2. GROSS S.F. OF BUILDING: 4,000 S.F.
3. PARKING SPACE: 9' x 18.5' DRIVE AISLE 24'
4. PROPOSED USE: DENTAL CLINIC
0(25)(PRE-DEVELOPED)':
AREA AND ONE ON THE SOUTH THAT WILL COLLECT THE REAR
('PRIOR TO MONTESSORI SCHOOL DEVELOPMENT)
PARKING AND THE EXISTING RUN OFF FROM THE EXISTING
C(25): 0.44 (TABLE 2.1, LR DRAINAGE MANUAL)
PARKING COUNT
Q=CUL, C=0.44, 1=8.4 IN/HR., A=2.20 ACRES
DENTAL CUNIC.
0(25)(PRE-DEVELOPED): (0.44)(8.4)(2.20)=8.13 C.F.S.
f1470
PROVIDED:
REQUIRED
REGULAR 9' x 18.5': 24
HANDICAPPED: 1
25
PARKING: 12
Q(2i)(POST-DEVELOPED):
Q(25)(PRE)=(0.44)(8.4)(2.20)=8.13 C.F.S. (ALLOWABLE)
C(25, WEIGHTED)
Q(25)(POST)=(0.66)(8.4)(2.20)=12.20 C.F.S.
SITE AREAS
PR(POSED BUILDING AREA 10,712 S.F. = 0.25 AC.
TOTAL VOLUME OF SOUTH POND: 5,955 CU. FT.
6,:12 S.F. "EXISTING' AND 4,200 S.F. PROPOSED
( ")
TOTAL VOLUME OF SOUTH POND: 7,328 CU. FT.
TOTAL AREA = 46,304 SQUARE FEET
BUILDING AREA = 4,000 SQUARE FEET 8.64%
PARKING AREA = 10,685 SQUARE FEET 23.1%
LANDSCAPE AREA = 29,852 SQUARE FEET 68.3%
TOTAL POST -DEVELOPED 0(25) RUNOFF: 12.20 C.F.S.
(20443 S.F. "EXISTING" AND 12,172 S.F. PROPOSED)
PROPOSED
ZONING: P.Z.D.
PRELIMINARY STORM WATER RUN-OFF/DETENTION CALCULATIONS
ARTA OF PCD PROPERTY: 1.063 ACRES
DESCRIPTION OF PROPOSED FACILITIES:
ARTA OF MONTESSORI SCHOOL SITE: 1.137 ACRES
STORM WATER WILL BE DETAINED IN A SURFACE PONDS,
TOIIL. AREA TO DETAIN: 2.20 ACRES
ONE ON THE NORTH THAT WILL COLLECT THE FRONT PARKING
0(25)(PRE-DEVELOPED)':
AREA AND ONE ON THE SOUTH THAT WILL COLLECT THE REAR
('PRIOR TO MONTESSORI SCHOOL DEVELOPMENT)
PARKING AND THE EXISTING RUN OFF FROM THE EXISTING
C(25): 0.44 (TABLE 2.1, LR DRAINAGE MANUAL)
SCHOOL. THE TOTAL ON WILL
SERVESTHEI EXISTING ONTESS RI SCHOOLUMEOAND THDETEETIPROPOSED
Q=CUL, C=0.44, 1=8.4 IN/HR., A=2.20 ACRES
DENTAL CUNIC.
0(25)(PRE-DEVELOPED): (0.44)(8.4)(2.20)=8.13 C.F.S.
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VOLUME AND SUMMARY OF RUNOFF:
Q(2i)(POST-DEVELOPED):
Q(25)(PRE)=(0.44)(8.4)(2.20)=8.13 C.F.S. (ALLOWABLE)
C(25, WEIGHTED)
Q(25)(POST)=(0.66)(8.4)(2.20)=12.20 C.F.S.
TOTAL VOLUME OF NORTH POND: 1,373 CU. FT.
PR(POSED BUILDING AREA 10,712 S.F. = 0.25 AC.
TOTAL VOLUME OF SOUTH POND: 5,955 CU. FT.
6,:12 S.F. "EXISTING' AND 4,200 S.F. PROPOSED
( ")
TOTAL VOLUME OF SOUTH POND: 7,328 CU. FT.
PR(POSED PAVEMENT/PARKING AREA: 32,615 S.F. = 0.75 AC.
TOTAL POST -DEVELOPED 0(25) RUNOFF: 12.20 C.F.S.
(20443 S.F. "EXISTING" AND 12,172 S.F. PROPOSED)
TOTAL Q 25 UNDETAINED: 2.41 C.F.S.
TOTAL Q 25 RELEASE FROM DETENNON: 3.70 C.F.S.
TOTAL PROPOSED IMPERVIOUS AREA: 1.00 ACRES
6.11 C.F.S. < 8.13 C.F.S. 25 YR WSEL: 307.62, 307.40
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TOTAL POST -DEVELOPED Q(100) RUNOFF: 15.10 C.F.S.
ARIAS: (1.2 (0.44)=0.53
TOTAL 0(25) UNDETAINED: 2.95 C.F.S.
(1.0)(0.93)=0.93
TOTAL Q(IDO)RELEASE FROM DETENTION: 4.00 C.F.S.
1.46
6.95 C.F.S. < 10.07 C.F.S. 100 YR WSEL: 307.87, 307.72
C(PEIGHTED): 1.46/2.20=0.66
Q=Uk C=0.66, I=8.4 IN/HR., A=2.20 ACRESQ(25)=(0.44)(8.4)(4.73)=17.48
OFF-SITE STORM WATER FROM THE EAST (4.73 AC,I:
C.F.S.
Q(7)(POST-DEVELOPED): (0.66)(8.4)(2.20)=12.20 C.F.S.
Q(100)=(0.50)(10.2)(4.73)=24.12 C.F.S.
OFFSITE RUN-OFF WILL PASS THROUGH THE SOUTH POND.
NI.T.S.
GENERAL NOTES
1. THE LOCATION OF THE EXISTING WATER AND GAS UTILITIES ARE
BASED ON RECORDS FROM SAID UTILITY COMPANIES AND ARE
HORIZONTALLY FIELD LOCATED ONLY. THE CONTRACTORS SHALL
BE RESPONSIBLE FOR DETERMINING ACTUAL LOCATION.
2. CONTRACTOR TO UNCOVER AND MARK UTILITY LINES BEFORE CONSTRUCTION.
3. CONTRACTOR SHALL BEAR ALL RESPONSIBILITY AND COST OF REPAIR
OR REPLACEMENT OF EXISTING UTILITIES, DAMAGED OR INTERRUPTED
AS A RESULT OF THIS CONSTRUCTION PROJECT.
4. CONTRACTOR SHALL NOTIFY THE PROJECT ENGINEER AND THE
OWNER OF ANY DAMAGED OR INTERRUPTED UTILITIES IMMEDIATELY.
5. ALL SEWER UNES AND APPURTENANCES SHALL BE INSTALLED
IN ACCORDANCE WITH THE LOCAL MUNICIPAL REQUIREMENTS.
6. ALL WATER LINES AND APPURTENANCES SHALL BE INSTALLED IN
ACCORDANCE TO THE LOCAL MUNICIPAL REQUIREMENTS.
7. CONTRACTOR SHALL NOTIFY PROJECT ENGINEER PRIOR TO BEGINNING WORK.
8. ALL AREAS WITHIN THE PARKING LOT ARE TO RECEIVE A GRAVEL BASE TO PROVIDE
EROSION CONTROL IF WORK IS NOT PROGRESSING IN AN ORDERLY MANNER. A RATE
OF 135 TONS/ACRE IS TO BE APPUED WITHIN TWO WEEKS OF FINAL GRADING.
APPLIED WITHIN TWO WEEKS OF FINAL GRADING.
9. ALL AREAS NOT WITHIN THE PARKING LOT ARE TO RECEIVE LOOSE STRAW TO PROVIDE
EROSION CONTROL IF WORK IS NOT PROGRESSING IN AN ORDERLY MANNER. A RATE
OF 1.5 TONS/ACRE IS TO BE APPLIED WITHIN TWO WEEKS OF FINAL
GRADING.
10. AFTER NEW INLETS ARE CONSTRUCTED, STRAW BALES AND GRAVEL FILTER BERMS ARE
TO BE PLACED TO ALLOW FLOW THROUGH THE BERM
11. CONTRACTOR WILL CONTROL AND PREVENT OFF-SITE TRACKING OF CONSTRUCTION
RUNOFF AND SEDIMENT TO ADJACENT PROPERTY AND PUBLIC ROADS.
12. CONTRACTOR IS TO PROTECT EXISTING STORM DRAINAGE SYSTEMS ACCORDING TO
PROTECTION ILLUSTRATIONS PROVIDED.
13. ALL DIMENSIONS ARE TO BACK OF CURB UNLESS OTHERWISE NOTED.
14. PAINT HANDICAP PARKING BUMPER CURBS AND SLOPED PORTIONS
OF SIDEWALKS HANDICAP BLUE.
15. BOUNDARY & TOPOGRAPHIC SURVEY BY OTHERS
16. SUBJECT PROPERTY ZONED PCD
17, ALL BUILDING DIMENSION TIES ARE TO THE FOUNDATION SLAB AND ARE
PERPENDICULAR TO THE PROPERTY LINE. SEE THE ARCHITECT'S FOUNDATION
PLAN FOR SLAB DIMENSIONS.
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20 10 0 20 40
SCALE
OWNERSHIP OF DOCUMENTS
THIS DOCUMENT, AND THE IDEAS AND DESIGNS
INCORPORATED HEREIN, AS AN INSTRUMENT OF
PROFESSIONAL SERVICES, IS THE PROPERTY OF HALFF
ASSOCIATES, INC., AND IS NOT TO BE USED, IN
WHOLE OR PART, FOR ANY OTHER PROJECT WITHOUT THE
WRITTEN AUTHORIZATION OF HALFF ASSOCIATES, INC.
SAFETY NOTICE TO CONTRACTOR
IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION
PRACTICES, THE CONTRACTOR WILL BE SOLELY AND
COMPLETELY RESPONSIBLE FOR CONDITIONS OF THE JOB
SITE, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY
DURING PERFORMANCE OF THE WORK. THIS REQUIREMENT
WILL APPLY CONTINUOUSLY AND NOT BE LIMITED TO
NORMAL WORKING HOURS.
THE DUN OF THE ENGINEER TO CONDUCT CONSTRUCTION
REVIEW OF THE CONTRACTOR'S PERFORMANCE IS NOT
INTENDED TO INCLUDE REVIEW OF THE ADEQUACY OF THE
CONTRACTOR'S SAFETY MEASURES, IN, OR NEAR THE
CONSTRUCTION SITE.
ENGINEER'S NOTICE TO CONTRACTOR
THE EXISTENCE AND LOCATION OF ANY UNDERGROUND
UTILITY PIPES OR STRUCTURES SHOWN ON THESE DRAWINGS
WERE OBTAINED BY A SEARCH OF THE AVAILABLE RECORDS.
TO THE BEST OF OUR KNOWLEDGE THERE ARE NO EXISTING
UTILITIES EXCEPT AS SHOWN ON THESE DRAWINGS AND WE
ASSUME NO RESPONSIBILITY AS TO THE ACCURACY OF
THEIR DEPICTED LOCATION ON THESE DRAWINGS. THE
CONTRACTOR IS REQUIRED TO TAKE DUE PRECAUTIONARY
MEASURES TO PROTECT THE UTILITY LINES SHOWN, AND
ALL OTHER LINES NOT OF RECORD OR NOT SHOWN ON THESE
DRAWINGS BY VERIFICATION OF THEIR LOCATION IN THE
FIELD PRIOR TO THE INITIATION OF THE ACTUAL PORTION
OF THEIR WORK.
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Project No.: P33524.001
Issued: 11/08/17
Drawn By:
Checked By:
Scale: 1"=20'
Sheet Title
PCD SITE PLAN
PCD
Sheet Number
AU.T,yz
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Project No.: P33524.001
Issued: 11/08/17
Drawn By:
Checked By:
Scale: 1"=20'
Sheet Title
PCD SITE PLAN
PCD
Sheet Number