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4.0 REVIEW of REQUEST: 4.1 Bernard & Kathy Lam have submitted a proposal to construct a 225 square foot three season porch on to the southeast comer of their home. The proposed porch would meet the required side yard and rear yard setbacks applied to this parcel and the porch addition would occupy existing green area. The proposed porch would extend from the existing home to the pool surround (concrete walk). 4.2 The Laur home was constructed in 1997 and lies on an 11,040 square foot (92 foot by 120 foot) lot. The home has a foundation size of 1,394 square feet; a driveway of 1,090 square feet; and a pool of 1,462 square feet, creating an existing impervious coverage of 3,946 square feet or 35.7%. 4.3 The proposed 225 square foot three season porch addition increases the parcel's impervious coverage to 4,171 square feet, thus a variance is necessary before the Laurs can obtain a building permit. CITY CODE SECTION lOO4.01A6 Existing Proposed Variance Required REQUIREMENT Condition Condition 3,312 Sq. Ft. 3,946 Sq. Ft. 4,171 Sq. Ft. 859 Sq. Ft 30% 35.7% 38% 8% 4.4 The Laur lot is designated Low Density Residential in the Comprehensive Plan and it is located in the R-l, Single Family Residence Zoning District. 5.0 STAFF COMMENTS/FINDINGS: 5.1 The proposed improvement to the Laur parcel attempts to meet the goals and objectives of the City of Roseville Housing Plan. Specifically, the Housing Plan encourages reinvestment into existing housing to provide increased functionality to retain families within the community to maintain a quality neighborhood. The proposed 225 square foot three season porch would provide a year round living area amenity to the home. 5.2 Section 1004.0lA6 reads: "Maximum Total Surface Area: Including detached accessory buildings, principal structures, pavement surfaces (asphalt, concrete and/or brick, stone or other paver), the total impervious surface on a residential lot or parcel shall not exceed 30% of the total lot or parcel size." The Laur parcel is 11,040 square feet in size, affording 3,312 square feet of impervious coverage. Built before the 30% surface coverage requirement, the current principal structure (1,394 sq ft.), driveway (1,090 sq. ft.), and pool (1,462 sq. ft.) occupy an estimated 3,946 square feet or 35.7% of impervious area. The proposal to increase the impervious coverage on the parcel to 4,171 square feet requires an 859 square foot variance or an overage of7.8% (37.8% total coverage). PF3478 - ReA 06/16/03 - Page 2 of 5