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<br />73B STRUCTURE
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<br />SITE BENCHMARK
<br />ELEVATIONS BASED ON ASSUMED VERTICAL DATUM
<br />USING THE BENCHMARKS SHOWN ON THE SURVEY.
<br />(NAVD 88)
<br />�� BEFORE you
<br />�S
<br />�S
<br />Q\
<br />00 �
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<br />Tq ONE CPS\
<br />AI�L
<br />0 20' 30' 40'
<br />SCALE IN FEET
<br />PROPOSED
<br />-- PROPERTY LINE/RIGHT OF WAY LINE
<br />-- GRADE BREAK
<br />XXX CONTOUR ELEVATIONS
<br />- - - - - - - STORM DRAIN
<br />X XX.XX SPOT ELEVATIONS:
<br />TC = TOP OF CURB
<br />G = GUTTER
<br />FG = FINISH GRADE
<br />GENERAL GRADING NOTES
<br />A. PRIOR TO INSTALLATION OF STORM OR SANITARY SEWER, THE CONTRACTOR SHALL EXCAVATE, VERIFY, AND
<br />CALCULATE ALL CROSSINGS AND INFORM THE OWNER AND THE ENGINEER OF ANY CONFLICTS PRIOR TO
<br />1 / 7 7 t h STREET CONSTRUCTION. THE ENGINEER WILL BE HELD HARMLESS IN THE EVENT THE ENGINEER IS NOT NOTIFIED OF
<br />TER T_ER
<br />1 - DESIGN CONFLICTS.
<br />1 �
<br />-� A_ - --- B. CONTRACTOR HAS THE OPTION TO BID THE FOLLOWING MATERIAL FOR THE STORM SEWER SYSTEM EXCEPT
<br />WHERE OTHERWISE NOTED: HDPE OR PVC AS INDICATED ON THIS PLAN WHERE THE WORD PIPE IS USED. ALL
<br />---- SS PIPE
<br />--------------==�-r- � � --- PIPES SHALL HAVE A MAXIMUM ROUGHNESS COEFFICIENT (N) OF 0.011 AND SHALL MEET OR EXCEED THE P
<br />-------------- MANUFACTURERS REQUIREMENTS FOR MINIMUM AND MAXIMUM COVER. CONTRACTOR SHALL REFER TO THE
<br />SS SS w SS ' SITEWORK SPECIFICATION SECTION FOR STORM SEWER SYSTEMS FOR ACCEPTABLE TYPE AND MATERIAL.
<br />01* 1 WATER WATER WATER WATER O WATER SS SS fJS 91.2 � C. ALL SLOPES AND AREAS DISTURBED BY CONSTRUCTION SHALL BE GRADED SMOOTH AND 4" OF TOPSOIL
<br />-- --- -- __ APPLIED. IF ADEQUATE TOPSOIL IS NOT AVAILABLE ON SITE, THE CONTRACTOR SHALL PROVIDE TOPSOIL,
<br />- -- -- -- -- - __ WATER �.
<br />73A MYLOPLA __------------- _____-_-- , 18D 18D APPROVED BY THE OWNER, AS NEEDED. THE AREA SHALL THEN BE SEEDED, FERTILIZED, MULCHED, WATERED
<br />W/ SOLID _ - / I AND MAINTAINED UNTIL HARDY GRASS GROWTH IS ESTABLISHED IN ALL AREAS (SEE LANDSCAPE PLAN FOR
<br />CASTING /�' 911 1 SEED MIX AND PROPER APPLICATION RATE). ANY AREAS DISTURBED FOR ANY REASON PRIOR TO FINAL
<br />FG 911.43 ACCEPTANCE OF THE PROJECT SHALL BE CORRECTED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE
<br />RIM 912.45 nHF OHE _ �� OHE -OHE OHE - OHE OHE OWNER.
<br />-z- INVW,E906.57- / -��----------
<br />\ GAS INV SE 908.00 of/ �H 5 73A - - - - , FG 911.81 _ o-
<br />--F_ -- - _ -- - NYLOPLAST -18" FG 911.55 D. THE CONTRACTOR IS SPECIFICALLY CAUTIONED THAT THE LOCATION AND/OR ELEVATION OF EXISTING UTILITIES
<br />---------------------- o
<br />f HP 911.50 56 LF, 18" - ----- -- } -- 118 LF, 18" W/ SOLID / / AS SHOWN ON THESE PLANS IS BASED ON RECORDS OF THE VARIOUS UTILITY COMPANIES, AND WHERE
<br />\ % 73A MH 3 ; HDPE @ 1.00% CASTING / 0.1 % / POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS NOT TO BE RELIED ON AS BEING EXACT
<br />\ NYLOPLAST HDPE @ 1.00% 9>-------------- / 8" 12 1 / OR COMPLETE. THE CONTRACTOR MUST CALL THE APPROPRIATE UTILITY COMPANY AT LEAST 48 HOURS
<br />912 :--�- ���--------- __ RIM910.75 1 0� 1/
<br />-wr== - - - __ _ _ _ _ - - - - - - 1� - - - - - - iNni am �� - i FG 911.53 BEFORE ANY EXCAVATION TO REQUEST EXACT FIELD LOCATION OF UTILITIES.
<br />CASTING - - - - - -
<br />\----___ 911- - TC 912.18
<br />RIM 912.45 I I \\----�0`2 G 911.68 I E. UNLESS OTHERWISE SHOWN, CALLED OUT OR SPECIFIED HEREON OR WITHIN THE SPECIFICATIONS: ALL STORM
<br />INV 906.01 ____ 40 LF, 12" --- 912 �\ / TC 912.27 I DRAIN PIPE BEDDING SHALL BE INSTALLED PER DETAIL 28A. ALL STORM DRAIN PIPES ARE MEASURED FROM
<br />FG a12 88 \ HDPE @ 1 00% FG 912.88 -� ° \\ 40 LF, 12" �- TC 912.40 9r� G 911.77 / CENTER OF STRUCTURES AND ENDS OF FLARED END SECTIONS.
<br />14 LF, 12" HDPE
<br />@-19.28%
<br />3nr
<br />91.3 FG 912.52 FG 912.79 ° \��. FG 912.79 ° 4'1\\ HDPE @ 1.00% 912.63 TC 912 16 90 \,II/ 4" / m
<br />I 51 LF, 18" d FG 912.52-__-''TC%\ / = 1
<br />II HDPE @ 1 .DD% o ° ° d d ° ° ° ° G c ° ,°r\°, d ° ° ° ° G 912.13
<br />° cp \ \ ° d ° ° d ° ° ° e �G 91 a.68 d a• \\\ ° d G ° ° d d ° ° ° 1.30/ o G 91 1.66 1
<br />FG 912.96 ° d ° d ° A ___1_. d 1.6/o �� FG 911.65
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<br />G 911.68/ /
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<br />FG 913.00 - 2' FG 913.00 FG 912.96 1 8 / J ro TC 912.36 1.5%
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<br />FG 913.00 1 6% - FG 913.00 FG 913.00 FG 913°.00 = `91j�1 FG 913.00 FG 912.75 ° G 911.86 /
<br />FG 912.40 �' �� 1 912.75 FG 912.63 I ' /
<br />© © © 1 6 ° FG 912.50 1 i
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<br />NYLOPLAST 73A 73A CB 4 --�. NYLOPLAST - \ FG 912.48 / / m j GRADING NOTES
<br />W/ GRATE I PROPOSED CASTING f 1
<br />W/ SOLID
<br />W/ GRATE / I I 1 09D FLARED END SECTION.
<br />CASTING CASTING RIM 912.23 18D MATCH EXISTING PAVEMENT ELEVATIONS.
<br />RIM 912.1 1 RIM 912'S3 SENIOR INV 908.15 1\ ° I I
<br />INV 905.50 INV 908.40�\ ��-__ / �o _ _ ► 1 1
<br />3.7/o 24 LF, HDPE @82.08% ,1 ASSISTED LIVING ���` - s11 ° �� ° --- \` ❑ GRADING DETAILS
<br />°
<br />± 211118 S. F. 17D RIP RAP PAD
<br />/ o I 21A CURB INLET
<br />FEST DRAIN BASIN
<br />INV 2 / ONE STORY- 39 UNITS / ° ��� 1� � 1 73B OUTLET
<br />CONTROL STRUCTURE
<br />INV 905.00 17D 09D � f � 1 "
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<br />FG 913.00
<br />2.0%e TC 912.83 � n
<br />I r TC 912.83 T
<br />TC 91t71
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<br />912.55
<br />FG 912.83
<br />FG 912.46 FG 912.80
<br />I --- I
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<br />G 912.10
<br />G�912.05
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<br />FG 912.61
<br />FG 911.25
<br />°
<br />FG 912.69
<br />G 912.22FFG G 912.52 912.52�
<br />C 9 7
<br />TC 912.54
<br />IFG'911.65
<br />/
<br />- 911
<br />y ��
<br />36 LF, 18"
<br />FG 912.46
<br />° TC 912.58
<br />912 G 912.08°
<br />--�
<br />12.07
<br />- G 912.04
<br />°l0_912
<br />°
<br />FG 912.41
<br />FG 911.10
<br />TC 910.41
<br />1 21A
<br />HDPE @ 0.50%
<br />FG 911.65
<br />2�
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<br />G 909.91
<br />RI
<br />RIM 909�56
<br />90
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<br />INV 906. 9 1
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<br />T
<br />TC 911.12
<br />,°o
<br />1
<br />73A
<br />ENYLOPLAST - - - 151 LF 18" HDPE @ 0_50%°
<br />_°
<br />°° ``
<br />/
<br />--�
<br />G 911.83
<br />TC 911.04
<br />r,
<br />G 910.62
<br />/
<br />W/ SOLID
<br />-- - - -
<br />- -
<br />- - - - - - - -
<br />------ - - - ----------
<br />-
<br />�
<br />-
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<br />>o
<br />�
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<br />d' / 9/3 CASTING - - - - -lvr- - -911 - _ - - - 148 LF 12" HDPE (to .50%�' �� ° g10 / 1 �O G 909.56
<br />RIM 912.16 ° ��� _ - - � - - - /Z�F
<br />STORMWATER SUMMARY
<br />TOTAL PROPERTY AREA=82,914 SF
<br />TOTAL DISTURBED AREA = 76,214 SF > 1 ACRE THEREFORE A NPDES
<br />SWPPP PERMIT WILL BE REQUIRED.
<br />PRE -DEVELOPMENT
<br />PERVIOUS AREA = 53,391 SF
<br />IMPERVIOUS AREA = 29,523 SF
<br />2-YEAR STORM = 0.41 CFS
<br />10-YEAR STORM = 2.11 CFS
<br />100-YEAR STORM = 7.61 CFS
<br />100-YEAR 10-DAY SNOW MELT = 2.29 CFS
<br />POST -DEVELOPMENT
<br />PERVIOUS AREA = 39,081 SF
<br />IMPERVIOUS AREA = 43,883 SF
<br />2-YEAR STORM = 0.17 CFS
<br />10-YEAR STORM = 0.66 CFS
<br />100-YEAR STORM = 3.69 CFS
<br />100-YEAR STORM INFILTRATION BASIN HWL=909.12
<br />100-YEAR, 10-DAY SNOW MELT = 1.87 CFS
<br />100-YEAR, 10-DAY SNOW MELT INFILTRATION BASIN HWL = 908.63
<br />TC912.21 _ -'-------_-__ _ i
<br />•TP ���----- INV 905.187C911.26 912
<br />'d ` ---------- --- G 911.71 - �---- G 910.76 - TC 912.21
<br />°
<br />CB 3 o
<br />- - - - -
<br />- - - - - - - G911.71 ------2.0%---
<br />- 1.8� RIM 910.76 21A TC 911.98 �' TC 910.35
<br />G 911.68 °
<br />INV 905.94 G 911.48 G 909.85
<br />� `\\`d •• 44 GAS GAS \� -GAS -- -- -- - ,,,,
<br />G �` \ G GAS GAS G 911.07 TC 910.83 CB 2 21A 9,�'�'---
<br />/ GA G 910.33 RIM 909.85
<br />GAS INV 906.68 �
<br />GA
<br />ar
<br />/ .
<br />� /t/t/` • ��� � `��\\ % � ° 6 0 0
<br />l1�E- - OHE_. UG C�HF nuG � tin �%���� .. SP E
<br />. OHE nHF
<br />- _ - - - - - - = -.- -� 28461 10/8/14 ALC ALC SJM SJM
<br />° AML -
<br />912
<br />913 _---- CEI PROJECT NO. I INITIAL DATE I DPOR I PM DES I DRW
<br />d\\ `~� `- - Engineering Associates, Inc.
<br />°
<br />• a . _---f----- - - - - ENGINEERS PLANNERS SURVEYORS
<br />M - 4 !\ . . ___ - 1p LANDSCAPE ARCHITECTS • ENVIRONMENTAL SCIENTISTS
<br />Rk `• � � ; .� -� �� PROJECT BM �1:
<br />TNH=912.47 : �.�''•
<br />�.Q y 2025 Centre Pointe Blvd., Suite 210 (651)452-8960
<br />1 j �, •' d Mendota Heights, MN 55120 (651)452-1149
<br />�. = �r: pRaFEssionA:r =
<br />97, ' _"G'"R = WHITE PINE SENIOR LIVING
<br />PROJECT BM #2: 479 s ����I OOOOo
<br />�
<br />TNH 913.41 "�, • •.• .LINOLAKES� �� MN 55014
<br />F � �, � /'/ffrrrlltii�►titi`REV DATE SHEET N0.
<br />GRADING PLAN IW15114 c3
<br />REV-1
<br />(C) 2014 CEI ENGINEERING ASSOCIATES, INC.
<br />
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