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Home My WebLink AboutZ-7783-D Map 30 0 0 "qS cgs Cis Inv. Elev.= 303.82 P% ryoy Nf/ R C/fy/Sr w/0`r� ;es 08d Speeatliryo!nf s�'Ct/on c�fter mAh �w 0 \\ cq W CcgS qS 1471 1412, I 14800 y; l a'd'I fi dyd4 WA!€tF4f15 I.I iS _j ^-7 ti Q 4- CANT FL L_L0CP Si1F- a -I D I I 1 11 1 � , 4 '. a PROJECT LOCATION 11,1,1 °� rz '� ✓ _ ? X1:_13 -i;.. � iJ I 231 13 1 _. PRELIMINARY STORM WATER RUN-OFF/DETENTION CALCULATIONS ARA OF PCD PROPERTY: 1.063 ACRES CSITE INFORMATION STORM WATER WILL BE DETNNED IN A SURFACE PONDS, TIXAL AREA TO DETAIN: 220 ACRES ONE ON THE NORTH THAT WILL COLLECT THE FRONT PARKING Q(>5)(PRE-DEVELOPED)': 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 (PRIOR TO MONTESSORI SCHOOL DEVELOPMENT) PARKING AND THE EXISTING RUN OFF FROM THE IXISTING C(25): 0.44 (TABLE 2.1, LR DRAINAGE MANUAL) MONTESSORI SCHOOL THE TOTAL VOLUME OF DETENTION WILL SERVE THE EXISTING MONTESSORI SCHOOL AND THE PROPOSED Q=CIA, C=0.44, 1=8.4 IN/HR., A=2.20 ACRES PARKING COUNT 0(25)(PRE-DEVELOPED): (0.44)(8.4)(2.20)=8.13 C.F.S. U� VOLUME AND SUMMARY OF RUNOFF: PROVIDED: REQUIRED REGULAR 9' x 18.5': 24 HANDICAPPED: 1 25 PARKING: 12 C(.5, WEIGHTED) 0(25)(POST)=(0.66)(8.4)(2.20)=12.20 C.F.S. TOTAL VOLUME OF NORTH POND: 1,373 CU. FT. PROPOSED BUILDING AREA: 10,712 S.F. = 0.25 AC. SITE AREAS (6,512 S.F. "EXISTING" AND 4,200 S.F. PROPOSED) TOTAL VOLUME OF SOUTH POND: 7,328 CU. FT. PROPOSED PAVEMENT/PARKING AREA 32,615 S.F. = 0.75 AC. TOTAL POST -DEVELOPED 0(25) RUNOFF: 1220 C.F,S. 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 p(25) UNDETAINED: 2.41 C.F.S. PROPOSED ZONING: P.Z.D. PRELIMINARY STORM WATER RUN-OFF/DETENTION CALCULATIONS ARA OF PCD PROPERTY: 1.063 ACRES DESCRIPTION OF PROPOSED FACILITIES: ARA OF MONTESSORI SCHOOL SITE: 1.137 ACRES STORM WATER WILL BE DETNNED IN A SURFACE PONDS, TIXAL AREA TO DETAIN: 220 ACRES ONE ON THE NORTH THAT WILL COLLECT THE FRONT PARKING Q(>5)(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 IXISTING C(25): 0.44 (TABLE 2.1, LR DRAINAGE MANUAL) MONTESSORI SCHOOL THE TOTAL VOLUME OF DETENTION WILL SERVE THE EXISTING MONTESSORI SCHOOL AND THE PROPOSED Q=CIA, C=0.44, 1=8.4 IN/HR., A=2.20 ACRES DENTAL CLINIC. 0(25)(PRE-DEVELOPED): (0.44)(8.4)(2.20)=8.13 C.F.S. U� VOLUME AND SUMMARY OF RUNOFF: 0(5)(POST-DEVELOPED): 0(25)(PRE)=(0.44)(8.4)(220)=8.13 C.F.S. (ALLOWABLE) C(.5, WEIGHTED) 0(25)(POST)=(0.66)(8.4)(2.20)=12.20 C.F.S. TOTAL VOLUME OF NORTH POND: 1,373 CU. FT. PROPOSED BUILDING AREA: 10,712 S.F. = 0.25 AC. TOTAL VOLUME OF SOUTH POND: 5,955 CU. FT. (6,512 S.F. "EXISTING" AND 4,200 S.F. PROPOSED) TOTAL VOLUME OF SOUTH POND: 7,328 CU. FT. PROPOSED PAVEMENT/PARKING AREA 32,615 S.F. = 0.75 AC. TOTAL POST -DEVELOPED 0(25) RUNOFF: 1220 C.F,S. (20,443 S.F. 'EXISTING" AND 12,172 S.F. PROPOSED) TOTAL p(25) UNDETAINED: 2.41 C.F.S. TOTAL Q(25)RELEASE FROM DETENTION: 3.10 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, 30240 U TOTAL POST -DEVELOPED 0(100) RUNOFF: 15.10 C.F.S. (0.44)=0.53 ALAS: (1.2)(0.44)=0.53 TOTAL 0(25) UNDEIAINED: 2.95 C.F.S. (1.0)(0.93)=0.93 TOTAL p(100)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, 301.72 C(NEIGHTED): 1.46/2.20=0.66 D=CIA, C=0.66, 1=8.4 IN/HR., A=2.20 ACRES OFF -SDE STORM WATER FROM THE EAST (4.73 ACJ: 0(25)=(0.44)(8.4)(4.73)=17.48 C.F.S. Q(t5)(POST-DEVELOPED): (0.66)(8.4)(2.20)=1220 C.F.S. 0(100)=(0.50)(10.2)(4.73)=24.12 C.F.S. OFFSITE RUN-OFF WILL PASS THROUGH THE SOUTH POND. N.T.S. 14114 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 OT THIS CONSTRUCTION PROJECT. 4. CONTRACTOR SHALL NOTIFY THE PROJECT ENGINEER AND THE OWNER OF ANY DAMAGED OR INTERRUPTED UTILITIES IMMEDIATELY. 5. ALL SEWER LINES 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 APPLIED 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. PANT 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. Know what's below.. Call before you dig. 20 "10 C 20 40 SCALE 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. W NW Cn 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 PARI, 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 SAFELY OF ALL PERSONS AND PROPERTY DURING PERFORMANCE OF THE WORK. THIS REQUIREMENT WILL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS. THE DUTY 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. LLMENsonMEN 8 ih I..V � U� Y Q Q W� � o U� 3�0 a �wv J J 8 ih LU m m 0 0 �Q$ a� I-€Yjo � m 3�0 a �wv J �JH Of I RE CIII Tn NOV 0 2011 Frl!. A(/Typz 0 4 HALFF ASSOCIATES DI U INC. � #1470 Project No.: P33524.001 Issued: 11/08117 Drawn By: Checked By: Scale: I"=20' Sheet Title PCD SITE PLAN PCD Sheet Number C 0 a U m a� O c m o p y tr d z I RE CIII Tn NOV 0 2011 Frl!. A(/Typz 0 4 HALFF ASSOCIATES DI U INC. � #1470 Project No.: P33524.001 Issued: 11/08117 Drawn By: Checked By: Scale: I"=20' Sheet Title PCD SITE PLAN PCD Sheet Number