4A - Variance to Replace Non-Comforming Structure with Larger Dwelling within Lake Setback

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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. The overall impervious surface coverage of the lot is currently 32.8% while only 20% is allowed by the Code. New Proposal: 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%. The property owners have indicated they are willing to remove 20'X 20' of the lower parking area and replace it with landscape rock, remove the paver sidewalk and patio near the lake, and install landscaping rock in the two parking areas on top of the hill. With the proposed removal of impervious surfaces, the total impervious surface coverage would be approximately 27.8% while 20% maximum is allowed. The coverage is allowed to be increased to 25% with a stormwater retention plan showing containment of the 5-year 24-hour storm event. Sewer System-The design for the sewer system will not change in any way. The property owner wishes to install a system that encroaches within the 75' lake setback (for the tanks), and the street and sideyard setbacks(for the trenches). 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 0 n1X 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 October 21,2010