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<br />GENERAL NOTES
<br />
<br />1.
<br />
<br />Existing boundary, location, topographic, and
<br />utility information shown on this plan is from
<br />a field survey by Sundo Land Surveying, Inc.
<br />dated 917/93.
<br />
<br />2.
<br />
<br />The locations of utilities shown are
<br />approximate only. Other utilities may exist
<br />which have not been shown. The Contractor
<br />shall contact GOPIlER STATE ONE CAll at
<br />454-0002 for exact locations before
<br />beginning any construction.
<br />
<br />3.
<br />
<br />All proposed spot elC!vations shown arc to
<br />bottom of curb unless otherwise indicated.
<br />
<br />~
<br />
<br />All ulility work sh<lll be performed in
<br />accordance wilh the City of New Brighton
<br />Spp.cific3Iions.
<br />
<br />5.
<br />
<br />At the perimeter of pavement removal areas,
<br />the existing bilUminous or CQncrale surfacing
<br />shall be saw. cut
<br />
<br />6
<br />
<br />Tile casting used on C[3 1/4 and CO 115 shall
<br />be a Neenah 11.1733 frame witll Type "C"
<br />radial grate, or approved equal
<br />
<br />7.
<br />
<br />The Contractor shall maintain 75ft. cover
<br />above top of wCltermain. A minimum vertical
<br />sep,lration of 18 inches is required .1t all
<br />watermain and sewermain crossings. A
<br />minimum horizontal separation of 10 feet is
<br />required between all watermain and
<br />sewermain.
<br />
<br />6.
<br />
<br />It shall be the responsibility of the exterior
<br />utility contractor to coordinate building utility
<br />connections at 5 ft. out from the proposed
<br />building with the interior plumbing contractor.
<br />
<br />9.
<br />
<br />All manhole and catch basin structures shall
<br />be pre.cast reinforced concrete with 4 fl.
<br />inside diameters unless otherwise indicated.
<br />
<br />10.
<br />
<br />All ductile iron pipe shall be Class 52 D.I.P.
<br />
<br />11.
<br />
<br />The Contractor shall notify the Engineer of
<br />any discrepancies.
<br />
<br />12.
<br />
<br />Polyethylene encasement is required on all
<br />watermain.
<br />
<br />13.
<br />
<br />Utilitv Trench Comoaction Reauirements:
<br />95% Standard Proctor maximum dry density
<br />IASTM 0696-78 or AASllTO T.99) from the
<br />pipe zone to within 3 feet of the ground
<br />surface, and 100% Standard Proctor
<br />maximum dry density in the final 3 feet.
<br />
<br />The Contractor shall provide density tests in
<br />backfills and fills placed beneath footings,
<br />slabs, and pavements. At least one
<br />compaction test shall be provided for every
<br />100 feet of trench at vertical intervals not
<br />exceeding two feet.
<br />
<br />EROSION CONTROL
<br />
<br />1.
<br />
<br />The contractor shall install erosion control
<br />fence at the locations shown on the plans
<br />prior to beginning construction. Silt fence
<br />installed without a supporting fence shall be
<br />installed with post spacing of 4 feet or less.
<br />Posts shall be 2 inch square or larger
<br />hardwood, pine. or standard T- or U-section
<br />steel posts. T- or U.seclion steel posts shall
<br />weigh not less than 1.0 Ib per lineal foot.
<br />Posts should be placed or driven at least 2
<br />feet into the ground and shall have a
<br />minimum length of 30 inches plus burial
<br />derth.
<br />
<br />The fahric shall be anchored in a trench dug
<br />on the upslope side of the support posts. 1he
<br />trench shall be at least 6 inches deep and 6
<br />inches wide. The fabric shall be laid in the
<br />Hench, and then the trench shall be backfilled
<br />and compacted.
<br />
<br />Erosion control fence filter fabric shall be
<br />MillAr:! 100X, or approved equal, furnished in
<br />a continuous roll in order to avoid splices.
<br />When a splice is necessary, it shall be made
<br />at a fence post. At splices, the fabric shall be
<br />overlapped at lenst 6 inches, folded over, and
<br />securely fastened to the fence post.
<br />
<br />2.
<br />
<br />Temoorarv Rock Construction Entrances: A
<br />rock pad shall be located at all points where
<br />vehicles exit the construction site. The rock
<br />pads must be installed before grading begins
<br />on the site. The rock size should be 1 to 2
<br />inch diameler such as MNDOT CA. 1 or
<br />MNDOT CA-2 coarse aggregale. The
<br />aggregate should be placed in a layer at least
<br />6 inches thick across the entire width of the
<br />entrance. The rock entrance should extend at
<br />least 50 feet into the construction lone. A
<br />geotextile fabric may be used under the rock
<br />in order to prevent migration of soil into the
<br />rock.
<br />
<br />3.
<br />
<br />The Contractor shall remove all soils and
<br />sediments tracked or otherwise depOSited
<br />onto pavement areas. Removal shall be on a
<br />daily basis throughout the duration of the
<br />construction. Paved roadways shall be
<br />cleaned by shoveling or sweeping. Street
<br />washing shall be allowed only after sediment
<br />has been removed by Shoveling or sweepino.
<br />
<br />~,
<br />
<br />Sediment Filters: A Illock and Rock Inlet
<br />Sediment Filter shall be installed at all
<br />catchbasin inlets which receive rllnoff from
<br />disturbed areas, Block and Rock Inlet Filters
<br />consist of open-core concrete masonry
<br />blocks, wire screen (0.5" openings!. and
<br />washed rock. Open-core concrete masonry
<br />blocks are placed lengthwise on their sides
<br />around the catchbasin inlet. Wire screen is
<br />placed around the perimeter to the top of the
<br />block barrier before the rock is placed. The
<br />screen acts to prevent rocks from being
<br />washed through the blocks. Rock is placed
<br />against the wire mesh to the top of the
<br />blocks. The rock size should be 1 to 3 inch
<br />diameter such as MNDOT CA.l, CA.2, or CA-
<br />3 Coarse Aggregate. Two rows of 8" blocks
<br />should be used in order to form a barrier
<br />height of 16".
<br />
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<br />--- - - - -- - -. - - -
<br />
<br />5.
<br />
<br />All denuded areas which have been finished
<br />graded, and all denuded areas for which other
<br />grading or site building construction
<br />operations are not actively underway shall be
<br />permanently or temporarily stabilized against
<br />erosion due to rain, wind, and running water
<br />within 14 days. Stabilization methods include
<br />seeding and mulching, sodding, and the early
<br />application of gravel base on areas to be
<br />paved.
<br />
<br />All denuded areas which will not be paved
<br />shall be covered with a minimum of 4" of
<br />topsoil immediately <lftcr rinal subgradc
<br />completion. These meas shall then be seeded
<br />and mulched, or sodded and staked, within
<br />72 hours after comptetion of final grading
<br />work (weather permitting!. Topsoil shall meet
<br />the requiremenls of MNDOT 3677 for Topsoil
<br />Dorrow. Other soil stabiliz:1Iion methods shall
<br />be installed as directed by the site engineer or
<br />by tocal government officials.
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<br />6.
<br />
<br />Unless otherwise noted, the appropriate dates
<br />for spring seeding/sodding are from April 15
<br />through June ,. rail sodding is oenerally
<br />acceptable from August 15 through
<br />November 1; fall seeding from August 15
<br />through September 15. Seeding rnustlake
<br />place prior to September 15. Alter
<br />September 15, the Contractor shall wait until
<br />November 1 to perform dormant seeding, In
<br />areas that are to be seeded, MNDOT Standard
<br />Spec. 3882 Type 1 mulch shall be applied
<br />uniformly over the soil surf ace by hand or
<br />machine within 24 hours after seeding in
<br />accordance with MNDOT Standard Spec.
<br />2575.3. Immediately alter placement. all
<br />mulch material shall be anchored into the soil
<br />by crimping (straight diskingl in a direction
<br />perpendicular to that of the overland storm
<br />water flow. Seed mixture shall be equivalent
<br />10 MNDOT Standard Spec 1876 No. 500
<br />unless otherwise specified.
<br />
<br />8.
<br />
<br />Maint~: All temporary erosion and
<br />sedimenl control devices shall be maintained
<br />in place until the contributing drainage area
<br />has been stabilized. It shall be the
<br />Contractor's responsibility to inspect all
<br />temporary erosion and sediment control
<br />devices on a daily basis. The Contractor shelll
<br />remove accumulated sediment deposits from
<br />behind erosion and sediment control devices
<br />as needed. Sediment must not be allowed t'o
<br />accumulate to a depth morc than one' half off
<br />the height of the erosion and sediment contlfol
<br />devices. Oeterior€1ted, damaged, or rotted
<br />erosion control devices must be immediatelYI
<br />replaced by the Contractor.
<br />
<br />BENCHMARKS
<br />
<br />1.
<br />
<br />Top nut of hydrant located on the north side
<br />of Second Street NW labeled on the survey as
<br />BM #1. Elevation = 917.62 Feel IN.G.V.D.).
<br />
<br />2.
<br />
<br />Top nut of hydrant located at the east end of
<br />Second Street NW labeled on the survey as
<br />13M #2. Elevation = 915.05 Feet IN.G.V.D.).
<br />
<br />9.
<br />
<br />All erosion control practices shall be
<br />performed in accordance with lhe methods
<br />outlined in the best management practices
<br />handbook: Protectina Water QuaJirL.!..D.J.lr..b.i!D.
<br />~. published by the Minnesota POlllllion
<br />Control Aoencv.
<br />
<br />7.
<br />
<br />Any soil or dirt stockpiles containing more
<br />than 10 cubic yardS of lllateriClI shall 110t be
<br />located with a downslope drainage lengttl of
<br />less than 25 feet from the toe of the pile to a
<br />ro<1dway or drainage channel. If remaining for
<br />more than seven days, the stockpiles shall be
<br />stabilized by mulching, vegetative cover,
<br />tarps, or other means. Erosion from piles
<br />which will be in existence (or less than seven
<br />days shall be controlled by placing silt fence
<br />barriers around the piles. In.street utility
<br />repair, construction soil, or dirt stockpiles
<br />located closer than 25 feet to a roadway or
<br />dr<linage channel must be covered with tarps
<br />or suitable alternative control if exposed for
<br />more than seven days, and storrnsewer inlets
<br />must be protected with rock and block
<br />sediment filters or silt fence,
<br />
<br />
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<br />
<br />10.
<br />
<br />The Contractor shall construct all proposed
<br />sideslopes with grades not exceeding 3: 1 (33
<br />horizontal to 1 vertical).
<br />
<br />-
<br />
<br />INSTIILL MINIMUM or TWO 02'
<br />r I\DJUSTMENT RINGS MAXIMUM OF
<br />05 FT or RINGS INCLUDING
<br />MORTAR. PLACE rULL MORTAR
<br />BED BETWEEN RINGS IIND
<br />MORTAR INTERIOR AND
<br />\ "",0< 0' "''''
<br />
<br />6"
<br />
<br />Drop inlel
<br />with grale
<br />
<br />VM?IF S
<br />
<br />Type C-Block and gravel
<br />drop Inlet sediment filler
<br />
<br />Sou'co: VlrglnlJ SWCC
<br />
<br />2 ST s. MH
<br />TOP = 914.40
<br />INV = 90776
<br />
<br />3 ST S MH
<br />TOP= 914.60
<br />INV. = 90818
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<br />PROPOSED BUILDING
<br />FLOOR ELlEVATION = 916.10
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<br />TOP=9J1.90
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<br />TOP = 911.90
<br />INV = 908.40
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<br />CONSTRUCT ST S.
<br />MH ON END OF
<br />E X 1ST. ST. S. STUB
<br />
<br />NW
<br />
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<br />SILT FENCE
<br />
<br />REMOVE EXISTING NEENAH
<br />R- 3250 FRAME AND GRATE
<br />AND REPLACE WITH NEENAH
<br />R- 1733 CASTING AND TYPE
<br />"c" RADIAL GRATE.
<br />
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<br />CONNECT TO
<br />EXISTING SAN.
<br />SEWER STUB
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<br />CONNECT TO
<br />EXISTING WATER
<br />STUB. VERIFY
<br />LOCATION OF
<br />EXISTING GV
<br />
<br />REMOVE EXISTING DRIVEWAY
<br />ENTRANCE. INSTALL NEW
<br />CURB AND GUTTER TO
<br />MATCH EXISTING.
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<br />Wire mest'. reinlorcement
<br />(optIOnal) I /" Engineering labrlc
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<br />Metalorwoo~ (. ./
<br />post or stake ~
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<br />Hard surlace
<br />pubiic road
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<br />Fabnc anchorage
<br />/ trench backfiil with
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<br />'.'L;,. Nalural soil '.
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<br />NOle: Depending upon configuratiOn, allach fabrIC to wire mesh with
<br />flOg nngs, Sleel posts wlln tie WIres, or wood paSIS with staples.
<br />
<br />30
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<br />SCALE
<br />
<br />TEMPORARY ROCK CONSTRUCTION ENTRANCE
<br />(DETAIL COURTESY RAMSEY CO. SOIL
<br />AND WATER CONSERVATION DISTRICT)
<br />
<br />TyolcallnS1allatlon for silt lence
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<br />TOP = 912.90
<br />INV. = 907.30~
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<br />TOP: 912.00:!:
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<br />DATE
<br />-----
<br />1/6/94
<br />1-7-94
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<br />USE NEENIIH R-I733 CASTING
<br />WI TH TYPE "c" RADIAL GRATE
<br />/ OR ArPROVED EOUIIL.
<br />(MIIN"OLE COVER SflALL BE
<br />CRETEX TYPE n FOR 48"
<br />DIIIMETER RISER
<br />
<br />NOTES:
<br />I. GROUT OAS E TO r ORM
<br />SMOOT" INVERT TO OUTLET
<br />2 PIPE CUT-OUTS SHIILL 8E
<br />LOCAT ED AS REOUIRED.
<br />3. MAN"OLE SECTION JOINTS
<br />SHALL BE TYPE R-4 WIT H
<br />RUBBER "O"'RlNG GASKETS
<br />
<br />,
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<br />
<br />REINFORCED CONCRE T E
<br />SECT ION CONFORMING
<br />TO IISTM C478
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<br />SIDE VIEW
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<br />(USE PRE- FORMED
<br />JOINT FILLER
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<br />--- RISER AND BASE SHALL
<br />BE CRETEX TYPE 433B
<br />
<br />TOP VIEW
<br />
<br />STANDARD CATCH BASIN MANHOLE WITH
<br />
<br />RADIAL GRATE
<br />
<br />
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<br />:!o6
<br />
<br />REVISION
<br />--
<br />- ----~~---~-
<br />ORIGINAL PLAN DATE
<br />- --
<br />CITY RESUBMITTAL
<br />
<br />TO POND>
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<br />"" INVW: 897.60
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<br />'---24" RCP
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<br />
<br />ACCURATE COMPONENT SALES, INC. I
<br />NEW BRIGHTON, MINNESOTA .
<br />
<br />I hereby certi fy tha t th is plan or
<br />report was prep"red by me or under
<br />my direct supervision and that I "m
<br />o duly Registered Professional
<br />Engineer under the laws of the
<br />StOlte of Minnesota.
<br />
<br />..ft- /~/~../ ~
<br />Gerold M_ Sunde, P.E.
<br />
<br />Dote
<br />
<br />Jon. 6, 1994
<br />
<br />Reg. 110. 8734
<br />
<br />
<br />
<br />_I ~..nd4' Eneinpcrine, .n(;.
<br />0001 E E.1100minglon rl"'row~y (35W)
<br />Bloomington MillllW,Ol:l 55<170
<br />(G12) 881-3341
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<br />GRADING AND UTILITY PLAN
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