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GRADING NOTES SYMBOL LEGEND
<br /> 1. Tree protection consisting of snow fence or safety fence installed at the I ----' 950 ---- EXISTING CONTOURS
<br /> drip line shall be in place prior to beginning any grading or demolition
<br /> 950 PROPOSED CONTOURS - MAJOR INTERVAL
<br /> work at the site. I FDC)PE
<br /> o -- 949 PROPOSED CONTOURS - MINOR INTERVAL
<br /> 2. All elevations with an asterisk (*) shall be field verified. If elevations ----- ------- GRADE BREAK LINE
<br /> vary significantly, notify the Engineer for further instructions. I �2.0% GRADE SLOPE
<br /> 3. Grades shown in paved areas represent finish elevation. SILT FENCE, SEE DETAIL 7/C500
<br /> SEDIMENT LOG, SEE DETAIL 8/C500
<br /> 4. Restore all disturbed areas with 4" of good quality topsoil and seed. See
<br /> Landscape Plan for additional requirements. w 0000000 ROCK CONST. ENTRANCE, FIELD LOCATE, DETAIL 6/C500
<br /> 5. All construction shall be performed in accordance with state and local
<br /> standard specifications for construction. INLET PROTECTION, SEE DETAIL 9/C500
<br /> POPE ARCHITECTS, INC.
<br /> 1295 BANDANA BLVD N, SUITE 200
<br /> SPOT ABBREVIATIONS: ST. PAU L, M N 55108-2735
<br /> 0 950.00 TC TC -TOP OF CURB (651) 642-9200 I FAX (651) 642-1101
<br /> 949.50 GL GL - GUTTER LINE www.popearch.com
<br /> GO - GUTTER OUT
<br /> B - BITUMINOUS
<br /> C - CONCRETE
<br /> XW o/ X / / X �� I X X X X a / oil
<br /> TW-TOP OF WALLOVERFLOW
<br /> I I
<br /> a �� .I. I w \ - BW- BOTTOM OF WALL (F/G)
<br /> -
<br /> / 986 I \ (*) - EXISTING TO BE VERIFIED
<br /> s / I
<br /> / 984 /
<br /> ---- -------- ------------------- 986 / / 1 I 1 1
<br /> 985 984 -- --------- / / / I I I I I CIa l Academy
<br /> 987 986 =--� / I to I I EROSION CONTROL NOTES
<br /> \/ Z cn - ' w J / /N 1. Owner and Contractor shall obtain MPCA-NPDES permit. Contractor shall be responsible for all
<br /> Q p M N I / / / / I I c� I fees pertaining to this permit. The SWPPP shall be kept onsite at all times.
<br /> Xz Z v I // / // // N I `� 1 2. Install temporary erosion control measures (inlet protection, silt fence, and rock construction Larson
<br /> v) 0 w z SILT FENCE ,I / / u_ / ' entrances) prior to beginning any excavation or demolition work at the site.
<br /> \\ \\ \\ \\ \\ \\ \\ O 0- a- 0 z o M �Z I o / ,/ w / ,/ / I w I Engineering, Inc.
<br /> = 0 1 w / / I o I I 3. Erosion control measures shown on the erosion control plan are the absolute minimum. The
<br /> Q r- o o / 1 / / / I 3524 Labore Road
<br /> \\ \ \ \ \ \ \ \ / / I contractor shall install temporary earth dikes, sediment traps or basins, additional siltation fencing,
<br /> \ \ \ \ \ \ m o o � m I / / White Bear Lake, MN 55110
<br /> \ \ \ \ \ \ \ w Q w J z J 1 and/or disk the soil parallel to the contours as deemed necessary to further control erosion. All
<br /> I / 1 651.481.9120 f 651.481.9201
<br /> � � Lu J O O � / CID� � � / I changes shall be recorded in the SWPPP.
<br /> > ~ z Y Q ~ = v / Z/ \ 00 I // ' / I www.larsonengr.com
<br /> \\ \\ \\ \\ \\ \\ \\ U J X 0O Q Of m \ I / `'S 4. All construction site entrances shall be surfaced with crushed rock across the entire width of the
<br /> SILT FENC / entrance and from the entrance to a point 50' into the construction zone.
<br /> w J U m O Of
<br /> \ / /
<br /> rn It w Z w Z / / / / I w I 11 ©2022 Larson Engineering, Inc. All rights reserved.
<br /> °o. °o > � - / \ 1 / / // / o 5. The toe of the silt fence shall be trenched in a minimum of 6". The trench backfill shall be
<br /> \\ \\ \\ \\ \\ \\ \\ °' °' O Q / / / // / /, �, U compacted with a vibratory plate compactor.
<br /> \ I E0
<br /> \ // SILT FENCE 1 6. All grading operations shall be conducted in a manner to minimize the potential for site erosion.
<br /> \\ \\ \\ \\ \\ \\ \\ // I \ Sediment control practices must be established on all down gradient perimeters before any up
<br /> gradient land disturbing activities begin.
<br /> J J , , / / / , , LIBERTY CLASSICAL
<br /> \ \ \ \ \ \ \ / / 7. All exposed soil areas must be stabilized as soon as possible to limit soil erosion but in no case
<br /> � ti o= / / / I I / / /w II�< I I later than 14 days after the construction activity in that portion of the site has temporarily or
<br /> IN v \\ / I // / / o ' I 1 permanently ceased. Temporary stockpiles without significant silt, clay or organic components ACADEMY PHASE 1
<br /> \\ \\ \\ \\ \\ \\ \\ rn 00 rn 00 \ / / / I / // / I (e.g., clean aggregate stockpiles, demolition concrete stockpiles, sand stockpiles)and the
<br /> / / \ RIP-RAP/ I I I constructed base components of roads, parking lots and similar surfaces are exempt from this 10158122nd ST N,
<br /> 1 requirement.
<br /> \\ \\ \\ \\ \\ \\ \\ .E.=98 .28 7. R.E.=987.39 / I 1 / / I I I
<br /> \ \ \ \ \ \ \ I.E.-9820(N) I.E.=981.6(N) I.E.=981.7(N) \ I ) / /-� / I I (/')I H V GO, M N 55038
<br /> // // // I.E._981 8(S) E.=981.7(S) I.E.=981.8(S) \ / / I / I 8. The normal wetted perimeter of any temporary or permanent drainage ditch or swale that drains
<br /> / / c w - E IN INVERT I
<br /> \ \ \ \ \ \ \ � a J water from any portion of the construction site, or diverts water around the site, must be stabilized
<br /> \ \ \ \ \ \ \ Z. >> 12-INCH PVC >> >� 12-INCH PVC 12-INCH PVC >> 12- CH R.C.P. >> >> >> 5-IN H R E=981.14 N) / / I within 200 lineal feet from the property edge, or from the point of discharge into any surface
<br /> \ \ \ \ \ \ \ / \ I water. Stabilization of the last 200 lineal feet must be completed within 24 hours after connecting
<br /> // // 87.49 C 7 I I ��
<br /> / / / / / - 82.3(NW) 121NGHP� ° ; 1 I I i p \�' `)' / g' `11 CO I to a surface water. Stabilization of the remaining portions of any temporary or permanent ditches
<br /> \\ \\ \\ \\ \\ \\ \\ I.E.=982.2(W)) > 1 I I I / I I Q I O or swales must be complete within 14 days after connecting to a surface water and construction in
<br /> I.E.=982.6(W) '� a = � w a /
<br /> Z a ° 2 .)¢ I I I that portion of the ditch has temporarily or permanently ceased.
<br /> � N � I I I c� l z p p Y p Y
<br /> .E.=987.54 C
<br /> I.E.=982.3(SE) 12�NGNP� E.=987.49 I.E.=982.7(E) E.=987.54 ' I I �' 1 1 I I I I Q 9. All riprap shall be installed with a filter material or soil separation fabric and comply with the
<br /> I.E.=983.4(SW) I.E.=983.9(E) 12-INCH PVC I.E.=983.0(N )
<br /> I.E.=983.1(SW) - - - - I.E.=982.9(E / I I Minnesota Department of Transportation Standard Specifications.
<br /> 12-INCH PVC I.E.=983.2(NW) I m I. d I / I I I I w I I O
<br /> p p p
<br /> I I I t o ICI =
<br /> gU I I Q 10. All storm sewer catch basins not needed for site drainage during construction shall be covered to
<br /> 1 ` 1 I a I I I I I I Icy I ~ I prevent runoff from entering the storm sewer system. Catch basins necessary for site drainage
<br /> I I I I 11 I O Z during construction shall be provided with inlet protection.
<br /> INLET PROTECTION TYP Z
<br /> w I I I / 1 I I Q 11. In areas where concentrated flows occur(such as swales and areas in front of storm catch basins
<br /> SILT FENCE I u- I °a 0 I �
<br /> u- I I / N I I I I I W C.) and intakes)the erosion control facilities shall be backed by stabilization structure to protect those
<br /> o I 1 � // "a 1 I i I II � Q I facilities from the concentrated flows.
<br /> T 00 0°' 5.0% m x I I / I 1 1 I I ~ Z I 12. Inspect the construction site once every seven days during active construction and within 24
<br /> ° I I I I hours after a rainfall event greater than 0.5 inches in 24 hours. All inspections shall be recorded
<br /> I l GAS GAS .- Z O in the SWPPP.
<br /> / ° S GAS I GAS = GAS GAS I N Y 13. All BMPs must be repaired, replaced, or supplemented when they become nonfunctional or the
<br /> sediment reaches 1/3 of the capacity. These repairs must be made within 24 hours of discovery,
<br /> 10158 122ND STREET NORTH � °..T. T- TAT w ' < J I or as soon as field conditions allow access. All repairs shall be recorded in the SWPPP.
<br /> I
<br /> �
<br /> 7 ® v I LLI 1 14. If sediment escapes the construction site, off-site accumulations of sediment must be removed in
<br /> El
<br /> rn 00 UE UE 2 a manner and at a frequency sufficient to minimize off-site impacts.
<br /> X UE UE o 0�
<br /> () O 15. All soils tracked onto pavement shall be removed daily.
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<br /> ° I 0 16. All infiltration areas must be inspected to ensure that no sediment from ongoing construction
<br /> activity is reaching the infiltration area and these areas are protected from compaction due to
<br /> vE $ BIO-LOG w 1 construction equipment driving across the infiltration area.
<br /> a bOVERED I Q 17. Temporary soil stockpiles must have silt fence or other effective sediment controls, and cannot be
<br /> d; a t ° /� [� ay. I placed in surface waters, including stormwater conveyances such as curb and gutter systems, or
<br /> °WELIr JyCCi a SS FBO 9 FBO�FBO- I conduits and ditches unless there is a bypass in place for the stormwater.
<br /> FB0p a '[� �- HBO FBO FBO U
<br /> -FBO-
<br /> NI. a a a a ° FBo Fa° FBo� 18. Collected sediment, asphalt and concrete millings, floating debris, paper, plastic, fabric,
<br /> ° GRADING AND
<br /> ° i I I construction and demolition debris and other wastes must be disposed of properly and must
<br /> w Q comply with MPCA disposal requirements. EROSION
<br /> ° CONTROL
<br /> a° da ° a X X
<br /> O O O I 19. Oil, gasoline, paint and any hazardous substances must be properly stored, including secondary
<br /> O a. ° I containment, to prevent spills, leaks or other discharge. Restricted access to storage areas must PLAN
<br /> i be provided to prevent vandalism. Storage and disposal of hazardous waste must be in
<br /> a . ° Q 1 compliance with MPCA regulations.
<br /> SHED ° ��' sms and Revisions:
<br /> 1 20. External washing of trucks and other construction vehicles must be limited to a defined area of the
<br /> TRASH a w I site. Runoff must be contained and waste properly disposed of. No engine degreasing is allowed BP2- Permit Set 3-22-22
<br /> v� ENCLOSURE o �V onsite.
<br /> .. a � BCWD Comments 4-11-22
<br /> a ° 21. All liquid and solid wastes generated by concrete washout operations must be contained in a
<br /> a Q
<br /> a I CD leak-proof containment facility or impermeable liner. A compacted clay liner that does not allow
<br /> washout liquids to enter ground water is considered an impermeable liner. The liquid and solid
<br /> J� I wastes must not contact the ground, and there must not be runoff from the concrete washout
<br /> operations or areas. Liquid and solid wastes must be disposed of properly and in compliance with
<br /> a:� w MPCA regulations. A sign must be installed adjacent to each washout facility to inform concrete
<br /> o I a equipment operators to utilize the proper facilities.
<br /> CD
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<br /> 22. Upon completion of the project and stabilization of all graded areas, all temporary erosion control
<br /> facilities (silt fences, hay bales, etc.)shall be removed from the site.
<br /> a
<br /> (n I 23. All permanent sedimentation basins must be restored to their design condition immediately
<br /> Q following stabilization of the site.
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<br /> 24. Contractor shall submit Notice of Termination for MPCA-NPDES permit within 30 days after Final
<br /> IStabilization.
<br /> I hereby certify that this plan, specifications or report
<br /> a.. was prepared by me or under my direct supervision
<br /> and that I am a duly licensed Professional Engineer
<br /> a under the laws of the state of Minnesota.
<br /> X X X X X X X X X X X _ Q
<br /> w
<br /> I Eric G. Meyer, P.E.
<br /> i
<br /> P Date: 03.22.22 Lic. No.: 44592
<br /> T S- GAS I Commission No. 12226016
<br /> �- - T� T. ._ MEER
<br /> Z =�_ � T T T GAS T - GAS GAS 7-
<br /> 0 I Drawn KBK
<br /> flS E ��, A� T r� � y � E OE OE OE OE OE OE OE 0
<br /> a! ; Checked b�: EGM
<br /> L
<br /> N 75
<br /> ELLER AVENUE NORTH a I SHEET
<br /> (FORMERLY KNOWN AS TOWNSHIP ROAD NO. 13) U I NORTH
<br /> Ld
<br /> v N - - - - - - - - O
<br /> BERI Y
<br /> 0 10 20 40
<br /> TRUE SHEET SCALE
<br /> 0" 1/2" 1"
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