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GENERAL UTILITY NOTES
<br />1.
<br />Specifications applicable for this project: Current standard specifications for the City of Elk River, MN
<br />11.
<br />The Contractor shall keep access roads clear of soil or other debris, and perform daily street
<br />18.
<br />Castings shall be Neenah or equivalent. Storm structures shall be precast concrete.
<br />and all Minnesota Department of Health and MPCA requirements except where modified by these
<br />cleaning as required by the NPDES permit. Positive drainage, controlled with erosion control and
<br />19.
<br />RCP (Reinforced Concrete Pipe) shall be Class 5 unless noted otherwise.
<br />contract documents.
<br />erosion prevention measures as required by the NPDES permit shall be performed. Inlet protection
<br />19.
<br />The contractor shall be responsible for coordinating with utility companies for power pole and/or line
<br />2.
<br />OSHA requirements shall be followed for all work on this project.
<br />shall be installed within 48 hours after inlet construction. Unless specified on the plans or as a bid
<br />relocation required.
<br />3.
<br />The Contractor shall notify "Gopher State One Call" prior to any excavation (651-454-0002 or
<br />item on the Bid Form, any temporary culverts, ditches, filter fabric, etc. necessary to accomplish this
<br />20.
<br />The contractor shall provide all necessary traffic control.
<br />1-800-252-1 1 66 out state.)
<br />shall be performed as incidental to the Contract.
<br />21.
<br />The contractor shall be responsible for all grading and restoration required to restore surfaces to like
<br />4.
<br />The Contractor shall verify all locations and elevations of underground utilities with utility companies
<br />12.
<br />The Contractor shall preserve and protect the markers and monuments set for the subdivision of the
<br />kind existing condition.
<br />prior to any construction (storm sewer, sanitary sewer, water, natural gas, telephone, electric, etc.),
<br />land.
<br />22.
<br />Existing curb and pavement damaged or impacted on adjacent property shall be restored with in -kind
<br />and immediately notify the Engineer of any conflicts.
<br />13.
<br />The Contractor shall schedule the soils engineer to facilitate
<br />materials and section. All match lines are to be saw cut.
<br />5.
<br />The Contractor shall protect all existing utilities and facilities to allow proper functioning during and
<br />certification of all controlled fills in a timely fashion. Density tests shall meet the following:
<br />23.
<br />Pipe lengths shown are measured center of structure to center of structure or to end of apron.
<br />after construction. Any required supporting structures shall be supplied by the Contractor as work
<br />A. Density tests shall be taken on all trenches at locations as determined by the Engineer or his
<br />24.
<br />The contractor shall obtain a Utility Excavation Permit from the City Public Works Department prior to
<br />incidental to the contract.
<br />representi tave.
<br />commencement of utility connections.
<br />6.
<br />The contractor shall immediately notify the Engineer of any conflicts between existing utilities, and the
<br />B. Within the upper 3' of streets, private drives and parking lots, Contractor shall utilize approved soils
<br />25.
<br />PVC pipe crossing over watermain pipe shall be ASTM D 1785, ASTM D 2241, or AWWA C900.
<br />proposed construction. The Engineer will coordinate with the Utility Company in question to determine
<br />that are within 1 % optimum moisture content as defined by the Standard Proctor Test-ASTM: D-698
<br />26.
<br />Contractor or owner to provide an as -built utility plan once construction is complete.
<br />the need for relocation of the existing utility.
<br />with 100% Standard Proctor Density and not exceeding compaction by more than 1 %. Below the
<br />7.
<br />Existing conditions such as sand in manholes or valve boxes shall be identified by the Contractor and
<br />upper 3', compaction shall meet 95%. Grading tolerances shall be 0.1'.
<br />these shall be reported to the Engineer prior to excavation by the Contractor. Once construction has
<br />14.
<br />The Owner shall pay for all testing of soils compaction. Any areas which fail to meet the above
<br />begun, all damage to underground utilities will be assumed to have been caused by the Contractor,
<br />standards shall be corrected and re -tested by the Owner's testing agent at the Contractor's expense.
<br />any repairs necessary shall be performed by the Contractor at the Contractor's expense.
<br />15.
<br />Contractor shall provide temporary traffic control in compliance with MN/DOT "Temporary Traffic Control
<br />8.
<br />Final Plat shall govern for easements.
<br />Zone Layouts Field Manual" most recent version for construction adjacent to travel ways.
<br />9.
<br />The Contractor shall coordinate with the local jurisdiction to obtain permits and meter for water
<br />16.
<br />Contractor shall be responsible for verification of the depth of existing stubs listed on this plan prior
<br />source. All associated costs shall be incidental to the Contract, including disposal of test water
<br />to the ordering of any fittings, structures, castings, etc. Engineer, Owner or City shall not be
<br />into City's sanitary sewer system. The Contractor shall not operate gate valves or hydrants on the
<br />responsible for any discrepancies found as depths are estimated.
<br />City's water supply system.
<br />17.
<br />All manhole castings in pavement shall be sumped 0.05'. All catch basin castings in curb shall be
<br />10.
<br />The Contractor shall notify the City Engineer and the Project Engineer 48 hours prior to starting work
<br />sumped 0.10'. Rim elevations on plan reflect sumped elevations.
<br />or as required by the local jurisdiction or be subject to being shut down.
<br />/ VE�EV;8gpS
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<br />\ RIM ELEV. �/ Q�' °o o ° 1
<br />\ =893.4 / ,�/ � s 6g°lo mil
<br />\ CBMH-23
<br />\ TOP NUT OF > g0�° o°
<br />\ HYDRANT / / \ 48 DIA. PRECAST 09 0/' oo
<br />\ ELEV.=895.66 RE=891.80 (R-3360-A) '
<br />\\ 892. j2+ IE(NE)=887.70 (1�2" IN) ° 0 ° �� � 00
<br />IE(SW)=887 70 (12 OUT)
<br />IM ELEV.=889.6
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<br />/ '889
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<br />0 890.06 , -1k7 �Rq/VT �eE_N I
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<br />0
<br />CB-24
<br />2'x3' PRECAST d /
<br />RE=890.85 (R-3508-A2) \
<br />IE(SW)=887.90 (12" OUT) ,8g2 �a9�
<br />890 �� S
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<br />/ ° o°o SF
<br />0
<br />° CBMH-31 15" RCP RCP
<br />E 0y ° o ; ��o / 48 DIA. PRECAST INV=887.50
<br />o� ° on
<br />RE=891.40 (R-3508-A2)
<br />» °° 9 �r3 IE(SE)=887.10 (12 IN) ° o°° �'
<br />\ °o 155 LF 12 RCP \ s °° °°
<br />00o W /
<br />O IE(SW)=886.70 (12 OUT)
<br />\ \ ®0.39% o �� 0.
<br />Ssz2 \� 2 O0 ° Q�� `Q -gig IE(SUMP)=883.70 (3' DEPTH)
<br />0 0 9 00co 5 /
<br />\ °° Q , °° /
<br />° \\� i °o
<br />o°
<br />� 00
<br />\� CBMH-22 \ 00 0 +�p� / 0O ° °co p00- N ° 0"
<br />48" DIA. PRECAST ° oa,� \ b
<br />a RE=891.50 (R-3508-A2) _ / \ 71 LF 12" RCP
<br />°o °
<br />IE(NE)=887.10 (12" IN) \ 12""FRCP 91 ® 0.56% E� 892 �O °°°°° °o°° °° ° o /
<br />IE(SE)=887.10 (12" OUT) ° °°
<br />�0 SUMP=884.10 (3' DEPTH) ,oF�, �'� INV=886.25 / /g0 \ 4eUl� DlN ° J I
<br />\ �o,o WITH 5.5 CY CL IV / a 0 x140, �' D /\
<br />CB'-32
<br />0GRANITE RIP -RAP S; 600
<br />� WITH FABRIC AND, 2x3' PRECAST
<br />o FILTER BLANKET as / 5 as RE=891.25 (R-3360-A)
<br />so o /a a �6 as ' - 6.
<br />66 LF 12" RCP 25 IE(NW)=887.50 (12" OUT)
<br />64 LF 12 RCP s� �� o \\� / 2 $$ - Sa
<br />\ 'A �� \ 9 887
<br />CBMH-21 ;:. --\ 888 �8
<br />48" DIA. PRECAST\/ .�- 9 \ 889 8sz
<br />\ RE=890.90 (R-1733 \
<br />889 °
<br />WITH GRATE C) \
<br />IE(NW)=886.70 (12" IN) \\ :.t>_:M1 \ y FES-B INFILTRATION BASIN
<br />IE(E)=886.70 (12"OUT) \ \ , / \ 12" RCP BOTTOM=886.25
<br />\ \ -887 "3 ,5 \ INV=886.25 100-YR HWL=888.4
<br />/ 63 LF 12" RCP / WITH 5.5 CY CL IV GRANITE RIP -RAP EOF=888.5
<br />\ / ®0 71 % WITH FABRIC AND FILTER BLANKET
<br />\� \ \ \
<br />//VVE��'890 S
<br />INSTALL MANHOLE OVER
<br />CU EXISTING 15" RCP
<br />MH-1 1
<br />48" DIA. PRECAST
<br />RE=891.30 (R-1733)
<br />IE(S)=887.30 (15" IN)
<br />IE(N)=887.30f (EX. 15" OUT)
<br />FIELD VERIFY
<br />37 LF 15" RCP
<br />® 0.54%
<br />I " 1'S•T
<br />NW
<br />0 30 60 90
<br />GRAPHIC SCALE IN FEET
<br />LEGEND:
<br />-908-
<br />Existing
<br />Contours
<br />>>-
<br />Existing Storm Sewer
<br />Existing
<br />Water Main
<br />>
<br />Existing
<br />Sanitary Sewer
<br />Existing
<br />Trees
<br />Existing
<br />Bndy Line
<br />®
<br />Proposed
<br />Sanitary Sewer
<br />I
<br />Proposed
<br />Water Main
<br />►�
<br />Proposed
<br />Gate Valve
<br />►►
<br />Proposed
<br />Storm Sewer
<br />Proposed
<br />Fire Hydrant
<br />S U RVEY DATA
<br />SURVEY INFORMATION PROVIDED BY:
<br />MEYER ROHLIN LAND SERVICES
<br />708 1st AVENUE NE
<br />BUFFALO, MN 55313
<br />DATED: AUGUST 12, 2021
<br />BENCHMARK:
<br />TOP NUT OF HYDRANT ® SOUTHWEST CORNER OF
<br />OUTLOT F.
<br />ELEV.=895.66.
<br />INDEX OF CIVIL SITE DRAWINGS:
<br />CO PROJECT LOCATION PLAN
<br />C1 SITE PLAN, PUD DEVELOPMENT PLAN
<br />C2 GRADING AND DRAINAGE PLAN
<br />C3 STORM SEWER PLAN
<br />C4 SWPPP
<br />C5 EXISTING CONDITIONS & REMOVAL PLAN
<br />C6-C7 DETAILS
<br />C8 LANDSCAPE PLAN
<br />CLIENT:
<br />SDK ARCHITECTS
<br />5075 Holly Lane N., Unit 7
<br />Minneapolis, MN 55446
<br />Steve Krause
<br />stevek@sdk-architects.com
<br />763-331-5178
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<br />FILE NO. 00865
<br />C3
<br />Storm Sewer Plan
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