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NORTHEAST 1/4 <br />589'38'42'W 1134.00' M-R <br />273.00' <br />SHEET 2 <br />596.18' M-R <br />MATCH LINE 1 <br />s <br />ALL BEARINGS ARE ASSUMED <br />SCALE 1-=100' <br />L I <br />0' 50' 100' <br />200' <br />S88'24.41-W <br />LOT 33 <br />3.35 ACRES <br />666.77 <br />N8911'29-E <br />LOT 32 <br />--- 68.59' <br />30.0' BUILDING <br />SETBACK TYP.-...„.] <br />BUILDING DEVELOPMENT AREA NOTE: <br />LOT 4 <br />3.45 ACRES <br />204.64 <br />273.00 <br />LOT 3 <br />3.39 ACRES <br />(TYP.) <br />15.0 UTILITY <br />EASEMENT — J <br />• <br />232.36 <br />n9CP33.2r <br />R=100.00' <br />L.158.05' <br />LOT 5 <br />3.02 ACRES <br />273.187 <br />fLooDPjMN <br />LOT 2 <br />3.39 ACRES I m m <br />30.0' BUILDING <br />SETBACK TYP.. <br />273.18` <br />892.02' <br />275.00' <br />275.00 <br />=orU N89'H'S6'E N LANE M <br />Rg• <br />559.99 <br />- <br />(TYP.) ------- <br />115.0' UTILITY <br />EASEMENT <br />LOT 6 <br />3.74 ACRES <br />PRAIRIE VALLEY 2ND SUBDIVISION <br />Previous correspondence for building development established an anticipated impervious area of <br />6.000 square feet per lot. Culvert sizing was completed with this area. but we had indicated in the <br />letter dated June 3. 2025, that Site improvements for each lot assumed building development of <br />6,000 square feet• but improvements larger than this area will not cause enough increase in runoff to <br />change culvert sizing. You have recently requested a determination of how much more building area <br />would be acceptable. <br />Based on the existing culvert sizing and acceptance of o rood overtop return period of 5 years, a <br />development area of up to 12,000 square feet per lot is practical. Additional increase beyond this <br />area is possible but would require a more in-depth analysis on a case -by -case basis. Analysis could <br />entail site survey, submittal of building plans, lot drainage analysis and the need for on -site <br />detention. <br />Per Lance Harter, PE Ook Creek Engineering <br />30.0' BUILDING <br />SETBACK TYP. <br />LOT 7 <br />3.14 ACRES <br />igago T <br />-46AST 1/4 CORNER <br />SEC. 1 T9N-R10W <br />40• <br />`40.00' R.O.W. <br />DEDICATED <br />GRUMMERT PROFESSIONAL SERVICES, LLC <br />PO BOX 37, KENESAW NE, 68956 <br />PHONE-402-8795701 EMAIL- Jmgrummerityahoo.com <br />WEBSITE- www.giummettsurveyIng.com <br />G.P.SET.PRO..5ECT 4 001-2025 <br />SHE2 OE <br />MATCH LINE 1 <br />