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+ 4669 Tonka Lake Properties Page 3 Subdi,ision - PRD Therefore: Buildable area: 75 ft setback 6 above 931.5 = 22,105 sf max allowable hardcover 25% = 5,526 sf existing hse, patio etc approx. 3000 sf = 13.5% (no var. req'd) with second lot add approx. 2400 sf Total 0—Sd 0 sf = 24.4% (no var. req' with third lot add approx 2200 sf Total 7600 �T-- 34.3% (9.38 var.) with fourth lot add approx. 2000 sf Total 960� 43.48 (18.4% var.) FINAL DENSITY REVIEW 1. Clearly some hardcover variance is required to allow any driveway on the property. 2. With the driveway hardcover variance, 2 units (1 existing + 1 n-,,) could be built meeting all other requirements and without further variances. 3. Allowing three units as in the previously approved plat would require a nominal 10% hardcover variance within the buildable area. 4. Allowing four units as proposed would require a nominal 20% hardcover variance. 5. Five units as might be allowed by gross lot area density is clearly not physically practical within the setback requirements. Recommended Considerations for Preliminary Plat Approval 1. Determine reasonable density to be allowed a) 2 units with driveway hardcover variance only b) 3 units with driveway and 10% structural hardcover variance c) 4 units with driveway and 20% structural hardcover variance 2. Conditioned upon a) drainage improvements per plan, including holding ponds, rel cated and resloped driveway, building eaves troughs, max.mum hardcover square footage depending upon density, I erosion control measures. MCWD must approve drainage plan. b) driveway with turnaround per clan minimum 12' paved width for 2 units 2) minimum 10' paved width for 3 or 4 units c) dedication of new City cul de sac and right of way including paving .,f street and cul de sac anc r•.p rapping of shore as in previous aFplica:ions.