02-23-1998 Council Packet - Laserfiche WebLink

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The house construction proceeded following approval for the variances. The topo information that was used to obtain the variances was based on city topo maps which are drawn from aerial photos. These topo maps can be off on an individual zoning lot by 2'. It was discovered during construction that the topo maps did not reflect the actual elevations on site. Fill from the excavated basement was used to elevate the site to provide for a lakeside walk*out. During the footings inspection it was determined that there would not be adequate room to back oiif of the three car side-loading garage. The Building Inspector instructed the builder to reduce the elevation of the garage floor because there was a 5 foot difference between the grade at the floor level and the southerly property line. It was apparent that a 5 ft. difference in grade over approximately 25 ft. of driveway would cause access problems for the garage. The garage floor is currently proposed at the 959 elevation and the southerly property line is proposed at a 956 elevation. A 3' grade change is an improvement over the 5' change that was originally planned due to inaccurage topo maps. In order to increase the si re of the driveway, the applicants are asking for a conditional use permit to grade within 2' of the southerly property line to construct a retaining wall approximately 2.5' to 3' in height. Grading within 5' of the property line requires a conditional use permit. If the applicante chose to build a retaining wall 5' from the property line and less than 42’ in height it would not require a conditional use permit for grading nor a side yard setback as the retaining wall would be considered a non-encroachment and grading would be considered normal and customary.. As proposed, the retaining wall 2’ from the property line provides approximately 24' of driveway between the garage doors and wall. If the retaining wall was constructed 5' from the property line, the driveway would be 21’ in width from the garage doors to the retaining wall. Turning of vehicles will be difficult at either length as 30' is recommended for driveways serving a side-loading garage. The City Engineer has reviewed the plan and indicated that 10' is usually recommended along side yards for drainage. City subdivision regulations require a 5' drainage and utility easement along each internal lot line. This provides for a 10' wide drainage and utility easement between all lots. The recommended 5 distance is in accordance with City policy. Grass is also recommended in the drainage swale rather than rock mulch. Pertinent Ordinances Section 10.25, LR-IC One Family Lakeshore Residential District Section 10.03, General Provisions, Subd. 19. Prohibitions and Subd. 21. Exceptions U2290 Elaine and Sieve Silus 3235 Casco Circle Conditional Use Permit 1 1/17/97 page-2