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<br /> ,r 32020.00
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<br /> Z a o m = if 4 -5509.25 , DATE
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<br /> W 0 a 5510.07 <0 gyp°' Sg 01�` vi
<br /> 02-29-2016
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<br /> 5505.93 / 40 0 40
<br /> ./. V 5509.25 ` 5502.90
<br /> 0(14 1 '9 SCALE: 1" = 40' REVISION DESCRIPTION DATE
<br /> 5508.30 I � � �+ PRIV TE STORM SEWER
<br /> 5508.49ME ; 1 ` S 71 �= MAINTENANCE OF THE PRIVATE
<br /> 55016. 4 ,55Ob • 8 0.78 5p0�- OFSYSTEM IS THE THE ROPE'YRESPONSIBILITY LEGEND:
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<br /> - EXISTING MINOR CONTOURS
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<br /> *0- bb()-13 -� 5500 ,t�j EXISTING MAJOR CONTOURS
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<br /> X117----- ..
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<br /> I �p� 6S. ;I - o _ EXISTING SPOT ELEVATION
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<br /> 1 I 1 �5 „ INV OUT=5500.98 5497 �--- 5343 PROPOSED MINOR CONTOURS
<br /> / 5499.82 LP INV OUT=5497.14 :NI. \
<br /> 5502. 0 � �� \ 5345 PROPOSED MAJOR CONTOURS
<br /> ' 1 01 1 i ; ���- \
<br /> � 5501.38 55 O - , 2 , 5�--6& v -43.50PROPOSED SPOT ELEVATION
<br /> I I 1 55, 5500.02 SS s\9 S57
<br /> 9 5495O ,9 �1/0 \I �' IIll5 O S49, IS4965495,_ N
<br /> EXISTING ROADSIDE _ F.. EXISTING STORM LINE
<br /> S \ SWALE CARRYING �550 .46 5501198-' �9Q \ \ x OFFSITE FLOWS (TOli EXISTING STORM INLET
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<br /> / .•: \ REMAIN), SA9 \ } EXISTING STORM MANHOLE umQ I 6, BUILDING ADDITION S ,0 1C13h� ° FFE=5498.72 \ \\ - - - PROPOSED STORM LINEI i %,9 N
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<br /> \ III PROPOSED STORM INLET SSCHotaergLiaila- DOM
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<br /> 5498.76 5498.03 2 ri'a �3 \\ , �,�cv _ A4 \ \ ODPROPOSED STORM MANHOLE�' a o ,� 5500.11 \ami5499.79 B1 �O7 I 0.06 0.57 0.39 1v;< �'�, v ow - �r - BASIN BOUNDARY g9 v �� :J it
<br /> A3Q = �� 0.49 0.44 p 548 PVCI
<br /> \\ r6o�,p,�, FLOW DIRECTION ARROW❑p "� aUJ I 0.5: ' / 0.13 0.65 y o ,.� \ \o A 5500.23 ME /, 0.74a ,312" SIDEWALK CHASE I p0 \ -474, \ 3`' DESIGN POINT DESIGNATION
<br /> �c 5497.91 ME I '-<, :,., \ \
<br /> PROPOSED OUTLET
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<br /> � S'`Ssr Boulder Associates, Inc.I �yg.90 STRUCTURE (PRIVATE) B BASIN DESIGNATIONArchitecture + Interior Desi n
<br /> w /4, � A2 EXISTI/VG BUILDING ,�y� ., `SQ9 0.73 INTERMEDIATE YEAR COMPOSIT gl- IFFE5298.72 REVISED I 1 I ;�,GGpp�� j \ 0.52 E 1426 Pear0.77
<br /> CENTENNIAL PEAKS 'yd 4°�, \ 0.82 100 YEAR COMPOSITE C I Street, Suite 300
<br /> 60 28 0.83LOT 1, HEALTH PARK DETENTION POND "�' �yddy��tiS�9/ \\ Boulder , Colorado 80302
<br /> SUBDIVISION FILING .�.....--ss •°°°°� fY��' $. 4,'y9 - BASIN AREA (ACRES) 303.499.7795 F 303.499.7767
<br /> NUMBER / - �� �'\ fy �� yyy6:, www.boulderassociates.comI �� ', ',,; yy4; �, NOTES.
<br /> ip ew, f►4,�,.Q; oI LL . - 1 ` , , , �� 18 \ 1. ON-SITE STORM SEWER IS PRIVATELY MAINTAINED,
<br /> . 4„,,v•l , t / ';/,':' i � p \ / INCLUDING APPURTENANCES, SWALES, DETENTION POND
<br /> 1 / . I i �� -s I %� � '; `� '� ' AND CONNECTIONS TO THE EXISTING STORM LINE.
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<br /> ' .‘'s. RU \ OFF SUMMARY
<br /> Z z M % �;i�, // 50 PROJECT
<br /> zCD h i„ ' // TRIBUTARY DIRECT RUNOFF TOTAL RUNOFF
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<br /> / / / POINT TRIBUTARY UHS CENTENNIAL
<br /> r AREA Q-10 Q-100 Q-10 Q-100
<br /> o CC 2 o - ac. cfs cfs cfs
<br /> ( ) ( ) ( ) ( ) (cfs)
<br /> 2 01
<br /> EXISTING SWALE 1 Al 0.38 1.41 2.46 - - PEAKS HOSPITAL
<br /> ❑p1 pc cc. a.
<br /> o W Q �' x / // TO REMAIN 2 A1,A2,A3 0.79 - - 2.93 5.09
<br /> / 3 A1,A2,A3,A4_ 0.85 0.09 - 3.05 5.38
<br /> EXPANSION
<br /> u, < I I II 4 B1 0.49 0.92 1.95
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<br /> I_1 t n ' 5 ALL ONSITE 7.50 18.57 39.43 - 7.50
<br /> ` f / 10 OFFSITE 7.52 1.80 7.52 - -
<br /> 11 OFFSITE 7.52 - - 1.80 7.52
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<br /> I 2255 S 88TH ST
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<br /> 0 \ \ II IP -� I I r� 1 - LOUISVILLE, CO 80027
<br /> - II' I I II I� / DETENTIONS WQ FACILITY TABLE
<br /> icn II 1
<br /> Ii VOLUME WSEL RELEASE RATE
<br /> 1 , 1 I %� / / (AC-FT) (FT) (CFS)
<br /> °' A I EURV 0.10 5487.33
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<br /> ` 1100-YR 0.36 5489.27 7.50
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<br /> 1 ,\' AMENDMENT
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<br /> m a \ // SHEET TITLE
<br /> GRADING PLAN
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<br /> SHEET NUMBER
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<br /> '-.) C
<br /> -3 1 I
<br /> _0
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<br /> __, /
<br /> 15018
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