94-248 _ 4
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. i - _ ~ Y STORM WATEFc ~1ANAGEMtEN~' 'AND ERflS ! {3N C(~JTROL S I TE NOTES
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THE CONTRACTOR, AND SU9-CO~tT!;AC?O+RS N'O,RK~Nt~ ON THIS SITE SNAtL - - ~ - _ - - - - - - ~ . = a. s r--
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/ ~ \ R U.S.CORPS OF \ ' i- / I, 1 ~ ~ / / S DETERMINATION:.. ~ J
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REFER 0 U:S.CORPS OF ~ - ~ • p _ • , ~ _ ENGI S DETERMINATION r...., ~ /
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PHASE I I F T ~ L
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~ ~ ~ _ . ~ ,~,a POINT H , ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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\ ~ ) , ~ ~ o ~ XIST. 66' RCI' .0.35% _ ~ 1 ; \ ~ • t ~
~ \ \ tec , \~`x~ CAPACITY ~ 200 c a \ LI 1 ~ tj i ~ ._~'0 Q REQUIRED
- I7 .61 cfs '
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PHASE I BUILDING y .~M~, ~ , • . •
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. . PHASE I PAVING r,~ ~ i 1
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- , . p9 , ~ , DRAINAGE AREA .DIVIDE. , v . ~ ~ ....,PERMANENT IMPROVEMENTS
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. - DRAINAGE AREA DIVIDE ~ LIMITS OF PLAN II ~ _ L
TEMPORARY IMPROVEN~NTS ~ONSZRUC .ION ONSITE - . , 1
- LIMITS OF PLAN II , , . ~
CONSTRUCTION ONSITE • ~ ` ~ ' . , i~ _
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ARE~S TO STRUCTURAL IMPROVEMENTS ~ , - ` 1~ , 1.,
WATERSHED t_ ~ _ - r
PHASE la PHASE ib MAXIMUM REOU~iED, ~ ~ _ - ,r.~ ~ i ,-y,
VOLUME .POINT AREA AREA DISTURBED DETENTION. ~ _ _ , . ~ _ i PROVIDED - + ~ ~
..~ASFHAI. ; pAV - ~C~-- , f ~ 'lt L'
(ACRES) (ACRES i AREA VOLUME ! - , , ' ~ ~r.~-.~: EMEr~T 1 ,--r:~,. -
A 51.4. N/A 17,7 63 720 C.F. 197 442 C.F. , _ _ _ _ _ l - - - - ~ 1
B N/A 51.0 17,3 62, 280 C. F. 108, 800 C. F. .2 8.3 N/ .~~icQNC. Aa,f M ~T ~W ! I LOOPED ROAD AN NSTLL hit n~Arv
` V N
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D 0.9 0.9 N/A - I S'
E 0.2 0.2 N/A -
F 2.2 2.2 l" A
SITE DESCRIPTION \ \ -
IMMML-
SOU i THE POTENTIAL SOURCES OF POLLUTION SOURCES OF POLLUTION
IDENTIFIED CONSIST OF STORM WATER RUNOFF FROM CONSTRUCTION ACTIVITIES. THERE ARE NO NON-STORM WATER DISCHARGES THAT \ ~ - /
WE OVER'YCO.OR BREAK-O(JTSHT ARE KNOWN TO EXIST AT THIS SITE. A SELF CONTAINED PORTABLE
ITS SLEETS SCREEN FACILITY WILL BE KEPT ONSITE DURING CONSTRUCTION FOR HUMAN WASTE. F FUEL IS STORED AT THE SITE. A BERM WILL BE PLACED - - ~ ~ i
,0 CO BLK AROUND THE FUEL TANK AS DESCRIBED IN THE NOTES BELOW. I
SC/ -
72 B72 g K -u. NATURE OF THE CONSTRUCTION i THE CONSTRUCTION ACTIVITY \ f !
171 C171 LK CONSIST OF GRADING_ DRAINAGE 8 PAVEMENT TO CONVERT THE SITE l FROM OPEN PROPERTY TO A' REGIONAL HOSPITAL AND MEDICAL OFFICE. '
! r
t SEOLENCE OF MAJOR Cd6TRUC7I0N ACTIVVTEB s REFER TO STORM WATER
MANAGEMENT AND EROSION CONTROL SITE NOTES ON THIS SHEET AND THE
EROSION CONTROL PLANS. \ 1'
AREA ESTIMATES FOR SHEET
42 AC. TOTAL AREA ONSITE 1 •i
37.3. AC. ESTIMATED DISTURBED AREA ONSITE 1 ,
' ESTIMATED DISTURBED. AREA OFFSITE s . . . . . 0.00 AC, e }
ESTNATED RUNOFF COEFFEENT AFTER aIMTRUCTEN 13 00 PLETFDi L I
UNDEVELOPED C = 0.35 1 DEVELOPED C = 0'50 50 TO 1.00 \
COMPOSITE = 0.80
QUALITY OF STORK WATER DISGIAR6E DATA J
THERE IS NO DATA AVAILABLE. \ ti I
RECEPAW WATER is ~
AN UNAMED TRIBUTARY OF PECAN BRANCH. y
.WETLANDS ACREAGE i ENGINEERS IN
1 REFER TO WET' LANDS DETERMINATION BY U.S. CORP OF ENGINEERS tN
SPECIFICATIONS. THERE ARE NO WET LANDS WITHIN WORK AREAS
SOL TYPE AT SITE 'Y
WOODBINE FORMATION SANDY- CLAY SOILS. REFER-TO GEOTEGHNICAL STUDY 77
TITLE DENTON REGIONAL MEDICAL CENTER' PREPARED BY EMcou BAKER DING ORDER - SHIFLEIT, INC. DATED APRIL 1993. ` .
0 100 200 300 400