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GENERAL NOTES <br />1 For construction staking and surveying services contact Landform at 612 252 9070 <br />DEVELOPER <br />PLATINUM LAND MN, LLC <br />*:5 <br />© LANDFORM 2021 <br />8`5 <br />(86 0 ) <br />—887� <br />(87 5 ) <br />(897) <br />co <br />1 <br />1• <br />•ffN <br />41. <br />• <br />883. <br />APPROXIMATE EDGE OF WETLAND <br />INFIL' -a <br />BOA W <br />STORAG <br />100-YR HWL <br />r_(1./E — fDE_ <br />ia11BASIN 2P <br />6.434 0 <br />5,636 C F <br />84 93 <br />885=-- -. <br />nE <br />DGE OF FIELD LOCATED WETLAND <br />/ \A <br />/ \\\ <br />/ \ <br />OF DELINEATED WETLAND---- <br />175TH AVENUE NW <br />SEE SHEET C3.2 <br />OE <br />—886—__ <br />r,r=RQ9 7 <br />GF=892.2 <br />984.7 (LFEI <br />IE=883 02 <br />GF=892.0 <br />884.5 (LFE) <br />8' FB <br />891.8 <br />GF=891.8 <br />884.3 (LFE) <br />8' FB <br />IE=882 96 <br />(85 9 ) <br />OE— <br />4' <br />885.0(LOFE) <br />GF=892.5 <br />897\ <br />iQTQ �A <br />GF=892.0 <br />884.5 (LFE) <br />8' FB <br />891.8 <br />ION BASIN 4P <br />BOTTOM = 884 0 <br />STORAGE = 53,477 C F <br />100-YR H W L = 886 97 <br />--G <br />5+W <br />GF=891.5 <br />884.0 (LFE) <br />8' FB <br />891.3 <br />7 <br />0.57219E <br />SEE SHEET C3.4 <br />GRADING NOTES <br />2 Contact utility service providers for field location of services 72 hours prior to beginning grading <br />3 Refer to the Geotechnical Report prepared by Independent Testing Technologies, Inc , Dated June 29, 2021, for additional <br />information on backfill material and groundwater conditions <br />4 Remove topsoil from grading areas and stockpile sufficient quantity for reuse Materials may be mined from landscape areas for use <br />on site and replaced with excess organic material with prior Owner approval <br />5 Remove surface and ground water from excavations Provide initial lifts of stable foundation material if exposed soils are wet and <br />unstable <br />6 An Independent Testing Firm shall verify the removal of organic and unsuitable soils, soil correction, and compaction and provide <br />periodic reports to the Owner <br />7 Place and compact fill using lift thickness matched to soil type and compaction equipment to obtain specified compaction throughout <br />the lift <br />8 Compact cohesive soils in paved areas to 95% of maximum dry density, Standard Proctor (ASTM D698) except the top 3 feet which <br />shall be compacted to 100% Compact to 98% density where fill depth exceeds 10 feet The soils shall be within 3% of optimum <br />moisture content In granular soils all portions of the embankment shall be compacted to not less than 95% of Modified Proctor <br />Density (ASTM D1557) <br />9 Builders are responsible for two tree per lot per city requirements <br />EROSION PREVENTION AND SEDIMENT CONTROL NOTES <br />10 Install perimeter sediment controls prior to beginning work and maintain for duration of construction Remove controls after areas <br />contributing runoff are permanently stabilized and dispose of off site <br />11 Limit soil disturbance to the grading limits shown Schedule operations to minimize length of exposure of disturbed areas <br />12 Management practices shown are the minimum requirement Install and maintain additional controls as work proceeds to prevent <br />erosion and control sediment carried by wind or water <br />13 Refer to SWPPP Notes on Sheet C3 X for additional requirements <br />14 All exposed soil areas must be stabilized within 14 days of completion of work in each area <br />15 Seed, Sod, Mulch and Fertilizer shall meet the following Specifications, as modified <br />Item Specification Number <br />Sod MNDOT 3878 <br />Seed MNDOT 3876 <br />MN Type 21-111 @ 100 Ib /ac - Temporary Erosion Control - Temporary Erosion Control, May 1 - Jul 31 <br />MN Type 21-112 @ 100 Ib /ac - Temporary Erosion Control - Temporary Erosion Control, Aug 1 - Oct 31 <br />MN Type 25-151 @ 120 Ib /ac - Permanent Turf <br />Mulch MNDOT 3882 <br />MNDOT Type 1 @ 2 ton/ac , Disc Anchored <br />Fertilizer MNDOT 3881 <br />General Placement MNDOT 2575 <br />16 See Landscape Sheets for permanent turf and landscape establishment <br />17 Scrape adjacent streets clean daily and sweep clean weekly <br />18 Silt fence for driveways and homes to be installed at the time of related construction <br />LEGEND <br />SYMBOL <br />DESCRIPTION <br />ESTIMATED QUANTITY <br />Silt Fence <br />7,265 ft <br />Vehicle Tracking Pad 2 ea <br />NORTH <br />5191 159TH AVE NW <br />ANDOVER, MN 55304 <br />TEL 763-301-4550 <br />MUNICIPALITY <br />PROJECT <br />NORTH BROOK <br />MEADOWS <br />RAMSEY, MINNESOTA <br />ISSUE 1 REVISION HISTORY <br />CONTACT ENGINEER FOR ANY PRIOR HISTORY <br />DATE <br />ISSUE / REVISION <br />REVIEW <br />16 JUL 2021 PRELIMINARY PLAT SUBMITTAL <br />CNC <br />CERTIFICATION <br />I hereby certify that this plan was prepared by me, or ctSupervision, and that I am <br />a duly Licensed Professional Engineer un\ <br />Randall HedQ� <br />License No 195 <br />ate of MINNESOTA <br />Apr pN <br />at` / <br />Signature shown is a digital reprof oinWe signed copy of this plan on file at <br />Landform Professional Servi <br />an is available upon request <br />IF THE SIGNATURE, SEAL OR FOUR LINES DIRECTLY ABOVE ARE NOT <br />VISIBLE, THIS SHEET HAS BEEN REPRODUCED BEYOND INTENDED <br />READABILITY AND IS NO LONGER A VALID DOCUMENT PLEASE CONTACT <br />THE ENGINEER TO REQUEST ADDITIONAL DOCUMENTS <br />PRELIMINARY PLAT <br />07/16/2021 <br />• <br />• • <br />LANDFORM <br />From Site to Finish <br />105 South Fifth Avenue Tel: 612-252-9070 <br />Suite 513 Fax: 612-252-9077 <br />Minneapolis, MN 55401 Web: landform.net <br />FILE NAME <br />C303PLM001.dwg <br />PROJECT NO. <br />PLM20001 <br />GRADING, DRAINAGE & <br />EROSION CONTROL (NORTHWEST) <br />C3.3 <br />Know what's Below. <br />CaII before you dig. 0 50 100 <br />Landform®and Site to Finish®are registered service marks of Landform Professional Services, LLC <br />