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08: 31:44 AM
<br />LOT 3 + 4, BLOCK 6
<br />THE BUSINESS CENTER AT COLORADO
<br />TECHNOLOGICAL CENTER, REPEAT C,
<br />PLANNED UNIT DEVELOPMENT
<br />LOCATED IN SECTION 16, TOWNSHIP 1 SOUTH, RANGE 69 WEST, OF THE 6TH P.M.
<br />CITY OF LOUISVILLE, COUNTY OF BOULDER, STATE OF COLORADO
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<br />LOT2 ,
<br />BLOCK 6//
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<br />Qio=7.57 cfs
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<br />V Qioo=22.27 cfsl
<br />BENCH MARK: TBM,
<br />CHISELLED "X", TOP OF
<br />CURB 0 SW CORNER OF
<br />LOT 6, BLOCK 2 SITE,
<br />APPROX 860' WEST OF
<br />CL CTC BLVD.
<br />ELEV 5307.22
<br />NOTES:
<br />1. ALL STORM SEWER PIPE SHALL BE CLASS III RCP.
<br />2. ALL CURB IS TO BE CATCH CURB UNLESS NOTED
<br />AS SPILL CURB (SC).
<br />LOT 2
<br />BLOCK 5
<br />C,
<br />LOT 4
<br />BLOCK 5
<br />NIL
<br />LANDSPIN
<br />4////////////
<br />S45'O0'00"W
<br />26.19'
<br />/
<br />1446,
<br />1s
<br />1"
<br />I
<br />lit I!
<br />in/ LOT 6
<br />II BLOCK 6
<br />Q1os5.14 cite
<br />Qtoo-�7.81 cfs
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<br />PUBLIC ZONE
<br />PRIVATE ZONE
<br />� r
<br />/ LOT 4 iI
<br />BLOCK
<br />C 2' CURB CHASE
<br />ti9O '00"E
<br />I18, 2'
<br />I II \\
<br />11 1
<br />JI DROP q,URB
<br />I i HEAD 61 WIDE
<br />III
<br />SII
<br />.,�,_...-5325
<br />10Qz-YR
<br />W=5311
<br />BEGIN WALL
<br />'W TER QUAU
<br />''5330
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<br />.51
<br />Q199960 c 'l LOT
<br />BLOCI ' 6
<br />5'x5' CONCRET
<br />SL FOR 10
<br />OU T TRAS RACK /
<br />Its 5306.3 Jf
<br />5x24 --
<br />/ 2' CURB CHASE
<br />EXISTING INLET
<br />1
<br />20.0'DRAINAGE EMENT
<br />/i✓
<br />LOT 3
<br />BLOCK 1
<br />NEENAH R -7512-B
<br />PIPE SCREEN
<br />1- 20"
<br />12"
<br />8"
<br />THREADED CAP WITH
<br />1-1/2" DIA. VENT.-.
<br />1.5' x 6" GALVANIZED
<br />STEEL RISER PIP
<br />1 1/2" TO 3" ROCK
<br />0.5X
<br />WATER QUALITY
<br />OUTLET STRUCTURE
<br />1
<br />RACKET
<br />5'
<br />PIPE SCREEN
<br />HEADWALL DETAIL
<br />(N.T.S.)
<br />6" THICK CONCRETE HEADWALL
<br />#4 REBAR @ 12" EACH WAY
<br />FLATTEN LAST 21"
<br />OF CONCRETE VALLEY PAN
<br />(MAINTAIN 0.5% SLOPE,
<br />FLATTEN V -NOTCH)
<br />8" THICK CONCRETE PAD
<br />s► #4 REBAR @ 12" EACH WAY
<br />EXTEND REINFORCING
<br />100 -YR HWE=5310.7
<br />10 -YR HWE= 5309.2 g
<br />x
<br />DAYLIGHT
<br />PVC ORIFICE
<br />PIPE
<br />PIPE
<br />SCREEN
<br />INTO HEADWALL
<br />NEENAH R -2565-J GRATED COVER
<br />RIM ELEV = 5310.75
<br />OVERFLOW NOTCH
<br />WHERE SPECIFIED 6
<br />0.2 FEET BELOW
<br />THE TOP OF WALL
<br />TOW=5312.2
<br />SPILL=5312.0
<br />BOW= VARIES
<br />1' MIN
<br />1.5' MAX
<br />een
<br />V•'
<br />3r 4.
<br />0.5% MIN.
<br />0.5% MIN.
<br />5303.7 INV
<br />INSTALL CONCRETE / 5" PVC
<br />INV =5306.3
<br />PAD & HEADWALL J
<br />(SEE DETAIL)
<br />INV OUT=
<br />5303.5
<br />-
<br />: 6" CONCRETE"•
<br />DETENTION OUTLET STRUCTURE
<br />TIE IN TO STORM SEWER STUB
<br />NATIVE DRYLAND
<br />GRASSES
<br />20 FT 18"RCP @ 0.5%
<br />FILL AROUND SLAB
<br />CONCRETE 1' MIN
<br />AROUND EDGES
<br />aP'13W BOND WITH
<br />SLAB TO SEAL
<br />DROP CURB
<br />HEAD 6' WID
<br />0o=4.87 yfs
<br />Q,...8.23,cfs pm WALL -
<br />EMERGENCY SPILLWAY
<br />ELEV=5312.0, L=44'
<br />LOT 4
<br />BLOCK 1
<br />1 1/2"
<br />0.5" 1.5"R "
<br />6"1_
<br />" ,,,,,„• ,a • ,4 I2
<br />•• :• a.
<br />SPILL CURB
<br />1 1 /2"
<br />CONNECT TO EXISTING
<br />STORM MANHOLE STUB`
<br />INV ELEV = 5303.38
<br />CATCH CURB
<br />12"
<br />PRIVATE CURB & GUTTER DETAIL
<br />N.T.S.
<br />1 /2" .� 1 1/2"--..
<br />4.5" 12" 12" 4.5"
<br />• • ` 6"
<br />12*
<br />P• s' ,®• •A
<br />S • • 0 P.
<br />1.5"R -c
<br />4•.
<br />•a '4 .
<br />d • d
<br />•
<br />CURB CHASE SECTION
<br />N.T.S.
<br />12"
<br />I
<br />I
<br />I
<br />I
<br />OUTLET STRUCTURE
<br />AND TRASH RACK
<br />"1
<br />OpF-
<br />RUNOFF & DETENTION POND SUMMARY
<br />DP; BASIN(S)
<br />3 OS1, A3
<br />4 OS1, A1 -A4
<br />4 Al -A4
<br />5 B
<br />6 OS1
<br />1 B1
<br />2 B2
<br />Q IN CFS, V IN CUBIC
<br />LEGEND
<br />4110•111 411111100
<br />20.0' MAXIMUM
<br />L.(5.0' BOTTOM
<br />ST
<br />8W
<br />85
<br />ST
<br />PROPOSED HISTORIC
<br />Qio Qioo Vio Vioo Qio Qioo
<br />18.5 37.1 16,774 28,609 2.17 9.03
<br />24.0 49.2 - - 2.76 11.5
<br />16.6 29.7 - - 1.38 5.75
<br />3.38 8.23 - - 0.09 0.39
<br />7.57 12.8 - - 0.90 3.70
<br />5.14 7.81 - -- 0.29 1.20
<br />- - 0.22 0.93
<br />6.63 10.19
<br />FEET
<br />BOUNDARY
<br />EXISTING EASEMENT
<br />EXISTING IMPROVEMENTS
<br />EXISTING CONTOURS
<br />PROPOSED CONTOURS
<br />DRAINAGE LEGEND
<br />EXISTING WATER LINE
<br />(SIZE NOTED)
<br />EXISTING SANITARY SEWER
<br />(SIZED NOTED)
<br />EXISTING STORM SEWER
<br />-
<br />8.0%
<br />5343, 18
<br />sc
<br />PROPOSED EASEMENT
<br />PROPOSED WATER LINE
<br />PROPOSED SANITARY SEWER
<br />PROPOSED STORM SEWER
<br />EXISTING SANITARY MANHOLE
<br />EXISTING FIRE HYDRANT
<br />EXISTING WATER VALVE
<br />PROPOSED SANITARY MANHOLE
<br />PROPOSED FIRE HYDRANT
<br />PROPOSED WATER VALVE
<br />PROPOSED CONCRETE PAVEMENT
<br />PROPOSED ASPHALT PAVEMENT
<br />PROPOSED BUILDING
<br />RIPRAP
<br />D50 = 6"
<br />1' LIFT
<br />DRAINAGE DITCH DETAIL
<br />SECTION A -A
<br />N.T.S.
<br />WIDTH VARIES MIRAFI 140
<br />--eq BANK
<br />AT TOP OF IBANK TO 20' OR APPROVED
<br />EQUAL
<br />AT TOE)
<br />RIP RAP RUN DOWN
<br />N.T.S.
<br />BASIN BOUNDARY
<br />SUBBASIN BOUNDARY
<br />DESIGN POINTS
<br />FLOW DIRECTION
<br />BASIN DESIGNATION
<br />ACRES
<br />PROPOSED SLOPE
<br />FLOW LINE ELEVATION
<br />SPILL CURB
<br />100 -YR SURFACE
<br />GRAPHIC SCALE
<br />(IN FELT
<br />1 inch = 50 ft.
<br />Futura Engineering Inc.
<br />Engineering Consultants and Surveyors
<br />12741 East Coley Avenue, Suite 126
<br />Englewood, Colorado 80111 - (303) 649-9292
<br />FAX (303) 649-9499
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<br />`The use of these plans shall be restricted to
<br />the original project site for which they were
<br />prepared and publication thereof is expressly
<br />limited to such use. Re -use, reproductions,
<br />or publication by any method, in whole or in
<br />part, is prohibited. Title to the plans remain
<br />with the Engineer without prejudice. Visual
<br />contact with these plans shall constitute
<br />prima facie evidence of the acceptance of the
<br />restrictions. These drawings are instruments of
<br />services and ore the property of the Engineer.
<br />DATE REVISION/SUBMISSION
<br />01-16-01 NI IAL PUD SUBMITTAL
<br />03-13-01 PC PUD SUBMITTAL
<br />44-03-01 CITY COUNCIL AL
<br />05 / 15 /01 Mylar Submittal
<br />Designed
<br />Drawn
<br />Checked
<br />Reviewed
<br />RPJ
<br />RPJ
<br />TWD
<br />TWD
<br />Prcieg we. 99-06'1.12
<br />OeVnotion Dale
<br />December 21, 2000
<br />OrosInY No. DRAINAGE PLAN 1 OF 1
<br />PUD -3
<br />3,7
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