4A - Variance to Modify Non-Conforming Dwelling by Increasing Heaight and Encroach SSTS within OHW

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3. Remove the house and build a new one within the building envelope while (a) bringing the overall impervious coverage down to 20%or(b) bring overall impervious coverage down to 25%with stormwater plan. Proposal: The applicants have chosen to proceed with option number 2. Structure- The applicants have indicated that since the City will not allow them replace the existing non-conforming structure with a larger, non-conforming structure, they are willing renovate the existing structure and replace the existing basement. With the new footings and basement block walls, the structure's height would be increased by 2 feet. The applicants indicated that if they were to do this, the current floor plan of the house would have to be modified to allow the septic system to be installed on the south side of the house.The current footprint of the structure would not be modified. Impervious Coverage-The current impervious surface coverage of the lot is 32.8% while normally only 20% is allowed (the impervious coverage is able to be increased to 25% with a stormwater management plan). The applicants have submitted a plan to remove 926 sq. ft. of bituminous driveway area and install stormwater retention ponds on the north and south sides of the property. They are also proposing to remove 587 sq. ft. of pavers and sidewalk area, some of which is within the shore impact zone. The applicants are also proposing the remove 420 sq. ft. of gravel parking and a 188 sq. ft. deck on the lakeside (within lake setback) of the existing cabin. If the proposed plan is implemented in full,the total impervious surface coverage of the property would be 24.7%. Sewer System- The property currently contains a non-conforming sewer system. The property owners are seeking a variance to allow two new tanks to be installed within the 75 ft. OHW setback. The proposed tank that would be closest to the lake would be 50 ft from the OHW while the other would be installed directly to the east. The drainfield for the proposed system would encroach approximately 4 feet into the sideyeard setback and approximately 3 feet into the road right-of-way setback. Applicable Regulations: The purpose and intent of the Shoreline Residential district is to provide a zoning classification for riparian residential development. The zone may or may not be served by sewer and water, depending on availability(Section 17-5.8) Section 17-5.8 Applicable Shoreline Residential Lot Size&Dimension Requirements: GD Riparian Onlv Setback, right-of-way,local streets—feet, 10 minimum Setback, OHW—feet, minimum 75 Setback, side—feet,minimum 10 Impervious coverage—maximum 20% Building height-feet, maximum 25 ISTS setback from OHW—feet, minimum 75 Pequot Lakes Staff Report 4(a)-2 Novmeber 18,2010