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Ernst Associates <br />BALOUR PARK <br />�J i <br />FXK;:_iT__ <br />• 3/29/82 <br />Mr. Al Olson/Pi,nning Department <br />�(W299V <br />1 <br />6 <br />- E <br />COMPUTATIONS FOR RUN-4 <br />AGE <br />Sq. ft. Acres <br />Coef. <br />0 • CIA <br />EXISTING SURFACES <br />Structures. existing house, <br />patio <br />garage. shed <br />3.173 .072 <br />.9 <br />.016 <br />Gravel Drive <br />8.200 .188 <br />.9 <br />.042 <br />Lawn j Rough areas <br />108.417 2.489 <br />.3 <br />.187 <br />119.790 2.75 <br />01 <br />.245 <br />PROPOSED SURFACES <br />Structures 2263 <br />2400 <br />2200 <br />2000 <br />8863 <br />8.863 .203 <br />.9 <br />.045 <br />B'* Paring <br />11.340 .260 <br />.9 <br />.058 <br />Lawn 6 Rough areas <br />99.587 2.286 <br />! <br />.171 <br />119,790 2.75 <br />.274 <br />Q- C iA <br />b rain,luo yr. flood <br />• Qp - Qi <br />A <br />.274 - .245 - )[9 <br />x 1.98 . Acre Feet Required <br />.U29 x 1.98 • .057 A(.. Ft of stordye <br />W deep) <br />-057 . 43.560 - 21432.92 sv it. <br />1 <br />(21500 sq.ft. :' deep) <br />- <br />.4.a <br />