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GENERAL NOTES <br />For construction staking and surveying services contact Landform at 612 252 9070 <br />DEVELOPER <br />PLATINUM LAND MN, LLC <br />SEE SHEET C3.2 <br />© LANDFORM 2021 <br />��- -- 89 6 <br />89 0 <br />T 1 <br />GF=891.5 <br />884.0 (LFE) <br />8' FB <br />891.3 <br />8' WO <br />893.0 (LFE) <br />GF=900.5 <br />15+00 <br />GF900.5 I <br />893.0 (LFE) <br />886.5 <br />5' LO <br />884.0 (LFE) <br />GF=891.5 <br />1 <br />co <br />/ <br />GF=891.0 <br />883.5 (LFE) <br />8' FB <br />890.8 <br />9' ION BASIN 5P'0 <br />BOTTOM = 884 0 <br />STORAGE = 43,273 C F <br />100-YR H W L = 887 25 <br />S-W u <br />892.5 (LFE) <br />GF=900.0 <br />GF=900.0 <br />892.5 (LFE) <br />8'WO- <br />886.5- <br />5' LO <br />884.0 (LFE) <br />GF=891.5 <br />o <br />co <br />GF=890.5 <br />883.0 (LFE) <br />8' FB <br />890.3 <br />GF=890.5 <br />883.0 (LFE) <br />8' FB <br />890.3 <br />---J L <br />STS-. <br />8' WO\- <br />892.2 (LFE) <br />GF=899.7 <br />REET A <br />4+N <br />GF=899.5 <br />892.0 (LFE) <br />8' WO <br />885.0 <br />5' LO <br />882.5 (LFE) <br />GF=890.0 <br />ENUE, W <br />891.5 (LFE) <br />GF=899.0 <br />883.5 <br />5' LO <br />881.0 (LFE) <br />GF=888.5 <br />SEE SHEET C3.4 <br />- -884- - <br />9- <br />(835) 883- <br />L <br />I <br />INFILTRATION BASIN 5P <br />BOTTOM = 879 0 <br />STORAGE = 41,955 C F <br />100-YR H W L = 881 13 <br />42 ' <br />CA rl .♦ r-s r\ n {.. / r 1. 1 1 1 r- /\ 1 1 • / / <br />1 / < F( 1 I LA,' ! 1-- I\I 1 11-- I\I fl1 <br />1• L. ../ •1y r r e_ <br />-OE - - - <br />c <br />S O� - - - OE �S p �� <br />r <br />7 �_ j \ \ \ \1 <br />=876 08 <br />(806) <br />U <br />oIII <br />(86 1 ) <br />IB=877 <br />1 4- <br />a <br />J <br />0 <br />m <br />LLI <br />s�Z <br />0 <br />40a <br />i'1 <br />i <br />i <br />i <br />- IE=883 89 <br />-- FES BURIED <br />IE=884 86? <br />----- IE=88364 <br />i <br />i <br />- IE=883 19 <br />UY POLE <br />- <br />( <br />L _ J <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 />ate of MINNESOTA <br />Randall Hedl ndQ <br />License No 195 <br />at`10 <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 />• <br />LANDFORM <br />From Site to Finish <br />105 South Fifth Avenue <br />Suite 513 <br />Minneapolis, MN 55401 <br />Tel: 612-252-9070 <br />Fax: 612-252-9077 <br />Web: landform.net <br />FILE NAME <br />C301 PLM001.dwg <br />PROJECT NO. <br />PLM20001 <br />GRADING, DRAINAGE & <br />EROSION CONTROL (SOUTHEAST) <br />C3.1 <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 />