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City of Orono <br /> Hardcover Calculation Worksheet <br /> Property Address: 850 Windjammer Lane (our survey 250376) <br /> Prepared by: Thomas M. Bloom P.L.S. No. 42379 Date:9/17/2025 <br />Stormwater Quality Overlay District Tier: (Circle one)Tier 1 Tier 2 Tier 3 Tier 4 Tier 5 <br />Step 1: EXISTING HARDCOVER <br />In the following table identify all items of existing hardcover on the property, keyed by letter to <br />Certificate of Survey (survey must accompany this form). Use as many lines as necessary to <br />accurately depict existing hardcover status of the property. <br />Key to <br />Survey Hardcover Item (Describe) Length x Width Total (Square Feet) <br />(Example)(Garage) (24' x 30')(720)S.F. <br />A House 3,023 S.F. <br />B Stone areas 966 S.F. <br />C Deck 234 S.F. <br />D Bituminous Drive 3010 S.F. <br />E Concrete Surfaces 1776 S.F. <br />F AC 12 S.F. <br />G Pavers 698 S.F. <br />H Ret. Walls 39 S.F. <br />I S.F. <br />J S.F. <br />K S.F. <br />L S.F. <br />M S.F. <br />N S.F. <br />O S.F. <br />P S.F. <br />Q S.F. <br />R S.F. <br />S S.F. <br />T S.F. <br />U S.F. <br />V S.F. <br />W S.F. <br />X S.F. <br />Y S.F. <br />Z S.F. <br />(1) Total Existing Hardcover 9,758 S.F. <br />Excludable Hardcover (See City Code Sec 78-1684) <br />Ret. Walls 39 S.F. <br />Decks with 1/4" spacing (Width needs to be verified)100 S.F. <br />S.F. <br />S.F. <br />S.F. <br /> (2) Total Excludable Hardcover 139 S.F. <br /> (3) Net Existing Hardcover 9,619 S.F. <br /> (4) Total Lot Area 43,991 S.F. <br />Existing Hardcover Percentage [(3) / (4)]21.87% <br />42 <br />PC <br />Exhibit I