HomeMy WebLinkAboutC302 Erosion Control Plan0,
t)
L
X
0)
Iv
E
0
0
1'0
0
EL;
0
z
0
0
0
0)
0
0
8
0
N
oo YEAR ELEV. 867.85
NORMAL POOL ELEV. 864.00
POND BOTTOM ELEV. 856.00
0.73 ACRES
RIPRAP
REQUIRED
WETLANDS
N.
CONSTRUCTION LIMITS r
am 1/1 err mob ow Air era aft dm am ow 11m der `T w:�w:a:a:a: i��
7... 3 i_ ..a ��r�a���L:� J�1>r= w�-a:•.w. �►a r-�i t
I i ce- ��:w:�►�► 4.;�w -a:.R �►a•= ONSTRUCTION LIMITS
7 7 Trip
b 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 r
4► E
f�0 1 1 1 t3 i I l I I I! n €r.l� 1 I I
Il I I _�1 4 I I f l l I I i ftU 41. I I I i i I I f FUTURE BUIDING "C' j I f I I!€ I� I I I I I I 1 1
i
i
1 1 1('..1� l I
I 1 1
I C I I 11 k 1 I 1
/I I I I 11� I I 1
I i 1 1 u l 1/1 4 1 1 1
CONSTRUCTION),IMITS
11 1 1 1 /A 1 1 i i I fl 4 /i j 1 I I 1 7( I I I I l 1 I l 1 1 1 1 1 U I I 1 1 1 i 1 1 1 1 I i i I I I I I I I
et
SOILS MAP
-1 2 "SD
CONCRETE SIDEWALK
\E, I 1 1 1
E ti I1
I I! I I
11I I I
li ��II t
f
11111 1nli�
1 1 l 1 i 11
1 i l l I I
-rri 1 1 1 U
1
1 1 1 I J 1_ -1-
'11,
1-11
CONSTRUCTION LIMITS
1 n 9yi I I I I I i 1 I I 'I i $11 I l�l 1 �I
I� Il) 1 1 1 1 1 1 1 E 1 1 1 1 1 it 1 !ThrnJi l I l l l l 1 1 1 1 I l l
I I l i i l l 1 1 jJ 1 1 1 I
1 l fl( 1 1 1 1, 1� 1 1 fl E'� i l l 1 t il\ fl 1
11 11
ir I II
aim ON*
CONSTRUCTION SEQUENCE
3. INSTALL EROSION CONTROL BLANKET ON BANKS OF DETENTION
AREA. SEED DETENTION BASIN AND
PERIMETER OF PROJECT SITE.
6. PLACE INLET AND OUTLET PROTECTION. INLET PROTECTION
SHALL BE INSTALLED IMMEDIATELY AFTER INLET IS FUNCTIONAL.
1. INSTALL SILT FENCE AND TEMPORARY CONSTRUCTION ENNTRANCE.
2. STRIP TOPSOIL STOCKPILE, AND ROUGH GRADE
SITE. INSTALL STONE STAGING AREA. CONSTRUCT DETENTION BASIN
AND GRAVEL DROP INLET PROTECTION. FiNE GRADE AND
SEED THE OFFSITE SWALE AREA. BURY EXCESS TOPSOIL IN
DETENTION POND. USE GOOD TOPSOIL ON POND BANKS.
4. START BUILDING CONSTRUCTION.
7. INSTALL UTILITIES.
6. TEMPORARY OR PERMANENT SEED ALL DISTURBED AREAS. INSTALL
EROSION CONTROL BLANKETS IN SWALES.
9. STONE PARKING LOT.
10. PLACE PARKING LOT BINDER COURSE.
11. FINAL GRADING.
12. COMPLETE BUILDING CONSTRUCTION.
13. PLACE SOD AND LANDSCAPING.
14. PLACE SURFACE ASPHALT COURSE.
15. REMOVE SILT FENCE, INLET PROTECTION AND GRAVEL DROP INLET
PROTECTION AFTER ALL AREAS ARE STABILIZED.
ALL AREAS THAT ARE LEFT
UNDISTURBED FOR 7 DAYS SHALL
RECEIVE SEED AND MULCH.
NORTH: OPEN SPACE
SOUTH: RETAIL
EAST: RETAIL
WEST: OFFICE
o 7
N TEMPORARY SWALE
EROSION CONTROL NOTES
PLAN INDEX ITEMS RELATING TO THE SW PPP ARE INCLUDED AS NOTES ON
THIS SHEET
A3 THIS PROJECT INVOLVES THE CONSTRUCTION OF A 96,000 S.F. OFFICE BUILDING
AND ASSOCIATED PARKING LOT, NEW ENTRANCE DRIVES, AND OTHER
SITE RELATED UTILITIES.
A6 LOT BOUNDARIES ARE SHOWN ON THE PLAN.
A7 HYDROLOGIC UNIT CODES: 05120201090040.
A8 THERE ARE NO STATE OR FEDERAL WATER QUALITY PERMITS REQUIRED FOR
THIS SITE,
A9 STORMWATER WILL DISCHARGE INTO A STORM SEWER SYSTEM WITHIN CARMEL
DRIVE LOCATED ON THE SOUTHEAST SIDE OF THE PROPERTY.
A10 THERE ARE WETLANDS ON THE PROPERTY. THEY WILL NOT BE DISTURBED
All STORMWATER DISCHARGES INTO THE A STORM SEWER SYSTEM WHICH
EVENTUALLY FLOWS INTO CARMEL CREEK.
Al2 STORMWATER MAY POTENTIALLY ENTER GROUNDWATER WITHIN THE DETENTION
AREA SHOWN ON THE PLAN.
Al 3 THERE ARE NO FLOODPLAINS, FLOODWAY FRINGES OR FLOODWAYS ON THE SITE.
A14 FILLABLE RELEASE RATE: 5 CFS
POST CONSTRUCTION PEAK DISCHARGE: 1.61 CFS
A15 ADJACENT LAND USES:
Alb CONSTRUCTION LIMITS ARE SHOWN IN THE PLAN VIEW,
All THE SITE IS CURRENTLY OCCUPIED BY LAWN WITH FEW TREES.
A18 SOILS INFORMATION:
BROOKSTON AND CROSBY SOILS ARE LIMITED FOR SITE DEVELOPMENT
DUE TO WETNESS, LOW STRENGTH, SHRINK -SWELL PROBLEMS AND FROST ACTION.
A19 ALL PROPOSED STORMWATER SYSTEMS ARE SHOWN IN THE PLAN VIEW.
DETAILED INFORMATION (I.E. INVERT ELEVATIONS) CAN BE FOUND ON THE
UTILITY PLAN.
A20 THERE IS OFF -SITE CONSTRUCTION ACTIVITY PLANNED WITH THIS PROJECT. THE
OFFSITE DRAINAGE DITCH IS SHOWN IN THE PLAN VIEW.
A21 THERE ARE NO SOIL STOCKPILES PLANNED FOR THIS PROJECT.
A22 EXISTING TOPOGRAPHY IS SHOWN IN THE PLAN VIEW.
B12
813
B14
815
C1
V
i iinUMWOMMEMO A Elrsl; NWIMMMPUMM MNIMEINAMMENNO aMOIMOMUM MMENI RISUI OREMMMO 1. NS IMmelskiMv6l SENI7l8fi11IMMOC
GOO =In OM ONO OW SIMOM OM r0 r41IMID t• rr
NORTH PENNSYLVANIA STREEF CONSTRUCTION LIMITS t
CONCRETE SIDEWALK
i
_�f +n`i_��,�•� ice:
a �a r. o��a���w:w:w�.
I.'�i➢�:/tt1 �'tf��� �I.•f:w 1. .��I��I.�w'��_ OO.�I.•Ii�� w.i r� .4:44:71 T114
4P'Np 44
i�i•'
0"..;00,1■•■■••■■••■■■■■■•■• 11 0.
II
Si #�i
rED I
A23 PROPOSED CONTOURS AND SPOTSHOTS ARE PROVIDED IN THE PLAN VIEW TO
INDICATE DRAINAGE PATTERNS.
81 POTENTIAL POLLUTANT SOURCES DURING CONSTRUCTION ACTMTiES INCLUDE
SPILLS AT FUELING LOCATIONS AND LEAKING VEHICLES AND EQUIPMENT, PAINT At
SOLVENTS, SOIL, TRASH AND CONCRETE WASHOUT. MINIMAL AMOUNTS OF
COMBUSTION ENGINE POWERED EQUIPMENT WILL BE ON SITE. ANY REQUIRED
FUELING WILL BE DONE IN STONE STAGING AREA TO ASSURE IMMEDIATE
SPILL IDENTIFICATION AND CLEAN UP. WORKER VEHICLES WILL BE PARKED IN
STAGING AREA AGAIN, ALLOWING IMMEDIATE IDENTIFICATION AND CLEANUP,
SHOULD A LEAK OCCUR OIL DRY WILL BE KEPT ON SITE FOR ANY SUCH
CLEANUPS. NO OTHER POLLUTANTS ARE FORESEEN AS BEING ON SiTE.
82 A CONSTRUCTION SEQUENCE CAN BE FOUND ON THIS SHEET.
B3- THE APPROPRIATE EROSION CONTROL MEASURES ARE SHOWN iN THE PLAN
Bg VIEW. SEE THE DETAIL SHEETS FOR THE CONSTRUCTION SPECIFICATIONS OF
EACH MEASURE.
B10 THE DETENTION POND WILL BE USED FOR WATER QUALITY MEASURES.
THE POND WILL ALLOW EXTENDED DETENTION DUE TO THE LIMITED OUTFLOW
POTENTIAL MANDATED BY THE COUNTY SURVEYOR.
SEE SEEDING SCHEDULE DETAIL, EROSION CONTROL BLANKET STAPLE PATTERN,
AND DIVISION 2 SPECIFICATIONS.
SEE EROSION CONTROL INSTALLATION AND SEEDING SCHEDULE DETAILS.
SEE B1 ABOVE
SEE EROSION CONTROL INSTALLATION DETAIL.
EXPECTED POLLUTANTS WILL BE MINIMAL IN NATURE, POST- DEVELOPMENT. OIL,
GREASE, ANTIFREEZE, GASOLINE, ETC. MAY OCCUR iN LiMiTED AMOUNTS AS A
RESULT OF PARKING OF VEHICLES BY EMPLOYEES AND VISITORS.
C2 ALL EROSION CONTROL. MEASURES AS SHOWN ON THE PLAN VIEW WILL BE
INSTALLED BEFORE ANY DISTURBANCE OF THE PROJECT OCCURS. FINAL
STABILIZATION OF THE SITE WiLL BE ACCOMPLISHED USING PERMANENT SEEDING
OF ALL OPEN AREAS, LANDSCAPING WITH MULCH ON PARKING ISLANDS, AND
PLACEMENT OF ASPHALT PAVEMENT.
4 r/ 1 t 1
C3 BUILDING OWNER WILL BE MAINTAINING ALL PARKING AREAS ON A WEEKLY
BASIS. THIS MAINTENANCE INCLUDES FREQUENT SWEEPING OF ALL PAVED
SURFACES AS WELL AS COLLECTION OF ANY LITTER, IN ADDITION, OIL
OTHER PETROLEUM SPILLS WILL BE CLEANED BY USING AN "OIL DRY" PRODUCT,
REMOVING PROPERLY DISPOSING OF SAID USED PRODUCT. ALL GREEN SPACES WILL
BE MAINTAINED WITH REGULAR MOWING DURING GROWING SEASONS. PERIODIC
FERTILIZER APPLICATIONS WILL OCCUR TO THE GREEN SPACES.
C4 PERMANENT STORMWATER QUALITY MEASURES WILL BE THE SAME AS DESCRIBED
IN B10. THE OWNER WILL PERFORM REGULAR MAINTENANCE INCLUDING
REMOVAL OF SEDIMENT WITHIN THE SWALE AND DETENTION BASIN AND
REPLACING IT ON SITE.
C5 OWNER OF THE BUILDING WILL DESIGNATE INDIVIDUALS ON A LOCAL BASIS TO
BE RESPONSIBLE FOR UPKEEP /MAINTENANCE OF THE FACILITY, INCLUDING THE
PARKING AND OPEN AREAS OF THE PROPERTY. THE DETENTION POND WILL BE
MAINTAINED REGULARLY, AS IS COMMON FOR THiS TYPE OF OFFICE SPACE.
A LAWN CARE CONTRACTOR WILL REGULARLY FERTILIZE ADD HERBICIDE
TO LAWN AREAS. HOWEVER, THE FERTILIZER HERBICIDE WILL BE KEPT TO
A MINIMUM FOR COST POLLUTION PREVENTION PURPOSES.
f t 1 1
1 i
1 1 1 BUIILDING I r
ST,`F4OFF'ICE BUILDING
9,6,600 IR,S.1F. 1 1
F;F -E\ BOO 50
r i•IMok I 1
Y' 1 rii\ 1 1 1 1 I
741r J r 1 1 fl f 1 It i1 1 1 1 1 1
1 17 t/ 11
1 1 1 1 1
It 11 1 I 1 I 1
Ft-- i4-I--I--1--1-4-
11 1r 1 1
1 1 1
11 1t !i I t
LEGEND
EXISTING
1'■•f'I+IRr' tt`
1 '1 4 4, 1C i
7 tJ? t' i 1 4 3
11
1 I r t 1
i 1 1 1 1 1 t ',AC, 1 1 t 1 I t t f t p 1 1 1 i 1 1 1 t t 1 1 1
1 1 1 1 1 r {t 11 1 1 1 1 t 1 1 i I t 1P�;'+ �'ll� I t I 1 I 1 1 1 1 Ir 1
ri t 1 1 1 1 11 II II i I 1 1 1 I i I 1 11 •'t It 1` 1 I I 1 I 1 I I 6 it
11 I 1 1 1 1 1 11 1! 1 -t` 1 1 1 I 1 1 1 1I t, 1 11 1 1 1 i 1 1 1 1 1 1 1 1 it
i r r 11 1 h- 1-- t I--+-N 4 __I_-+- r 4 1 4 i _i"_1„""I"' I H 1- i f -1- "I a +I 11-1 I--- 11 t -1 ^I 1 11
!f
t 1 1 t t i I JI 11 1 1
1 I 1 I i rl p fl 1 I i 1 1 1 1 II 11 1 1 1 1 1 i \r 1 1 1 11 f. 1 1 1 1
-'i 11 1 1 1 1 1 1 1 1 1
!I i9 1 1 1 1 1 p 1 I 1 1 1 1 t �f 1 1 11 t'` 1 t 1 1 f I 1 1 I 1 1 1
1 1 I 1 1 I t 0)-, 1 1 t 1 1\ 1 1 I 1 1 1 1
1 I 1 1 1 t 1 ..„...4 1 1 1 1 1 t 1 1
1 i' 1 1 1 1- r 1 i 1 1 1 1 Y "jj €ii
1 1 1 2 i 1 II I F '1 I I I 1 1 1 I 1 I 1 I 1 1"' II 11
1 1 i I II t 11 I 1 I I i I 1 I 1 1 1 'I I II It
1-- I ---I -H l' M- 1^•- i_...1.... .1...x..,4- •4•- l-- l-- t-- 1 --I-^ 1i
1 11 11 I
1 11 It I
I t /f i 1 F t 1rf t t t 1 I 1 1 1 f
1J
r ill i1 S T'-1
1 11 1! 1
1 t 1 I
1 1 22 -11%.";--
2r1 II •1 i 11 1 i It 1
1 li tt 1 1 I f t 111 f 1 t 1 1 1 1 1 1 1 1 c 1 1 1 1 It 11 1 1
..■_r,:+r... _+,...r.- .wr :ae:a- ■r.- .ae- a:-,.:- �•-.ra 1- 4
1 1 i 1 11 1 I I 1
}I 11 t! r. tl I t I 1 t I I iI 11 1
1 1 'I 11 11 1 1 1 I I 1 1 I I 11 a It 1 t t f y! 1 1 I 1 f 1! 11 1
t 1 1 I i I 1 I r I I I I I 1 1I t µa�l 1 1. t' 1 t i f
i t 112, t t t 1 1 I t f 1 8411 �n
1 U
i „2_ 3S 1
I
I Ir I I 1 I 1 I N 1, 1 1, I 1 €51.2- -i T F1' 1 i I I 1 I I i s i �1 t I I t 1 1 s i It T O A t i
1 I r i 1 1 1 I 1 1 1 I I 1 1 1 1 1 I I .1_ -1--- 1- -I 41r- 1
-1 t....fi .J C r.-r_�_� i�_-t -_t 41 Jt" 11
y �'r rmr{,r. �y.T'R+ ..v r�r.r..- r�r•TR -+w x. a l\7b1.. �..I^�i''.,_..- ,.r, -_r �z sr sa+-
�•r�LJ'1�asr..ii F...•t.SCe't:rLl Ir.M.. T..•'C..t..L= _1...3. .4! t�•' I �:...1 ,lit,'a .i ::i a'.:+•:i.:.k I r7
CONCRETE SIDEWALK
GRAPHIC SCALE IN FEET
11 11 r t 1 1 1'"j
11 11 1 1 1 1 i a il 11
RIPRAP
CONSTRUCTION LIMITS
1 II l
J
11
r,,r.'r.-r t'%r..r:'r+,r.."4, r,c l
it »cfu. 1..'i IL
1 I II II
1 ►t lit l I
I
f 1 f J r o�
i I I t I 1 1 (I r∎
1 1 1 I 1 122 Ii
1 t 1 t i i 1 1
I.. 4- +..I..- 1•.- 1- ..I- 'L�'
I I i 1 1 I 1 1 1 1 1 11
I 1 I 1 I 1 1 1 1 1 ti
1 1 1 1 1 1
1\ 1 1 1 I 1
i 1 1 1
f i I 1
1 1 1
1 1 1 2 1 1 1 1 1 1 11 MI
l-- 1-- 1-}-+- t-- I- -l--- 1 1H 1
SILT FENCE
INLET PROTECTION(DANDY BAG)
EROSION CONTROL BLANKET
DONT
DIG
BLIND
PROPOSED
IMO NMI O r ONO IMO ..t
1- 800 382 -55U
CALL TOLL FREE