03/09/2011 P&Z Packet - Laserfiche WebLink

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• • • types of fuel are offered. The tanks may be internally designed to hold more than one type of fuel. If another tank is needed, it should be addressed now with the site design. e. Dust Control and Drainage. The entire site other than taken up by a building, structure, or plantings shall be surfaced with asphalt, concrete, cobblestone, or paving brick. Plans for surfacing and drainage shall be subject to approval of the City Engineer. Drainage from all fueling areas shall be directed to an oil /grit separator. Minimum design standards for the oil /grit separator shall include the following: 1) A minimum of four hundred (400) cubic feet of permanent pool storage capacity per acre of drainage area. 2) A minimum pool depth of four (4) feet. 3) A minimum oil containment capacity of eight hundred (800) gallons. 4) Minimum maintenance /inspection of two (2) times per year and /or after measurable spill events. A measurable spill shall be defined by the Minnesota Pollution Control Agency (MPCA). Any measurable spill event must be reported to the MPCA. • The submitted plans do not include an oil /grit separator. This is an incomplete item. The City Engineer has reviewed the submitted information, including stormwater management elements. (See attached memo.) Some data needs to be submitted or clarified, such as infoimation regarding a Rice Creek Watershed District review. • A related question is underground tanks. We assume they will be deep enough underground so as not to affect the infiltration pond design, but we need to ascertain this. f. Landscaping. 1) At least twenty -five (25) percent of the lot, parcel or tract of land used exclusively for the gas sales facility shall remain as a grass plot, including trees, shrubbery, plantings or fencing and shall be landscaped. Required minimum green area should be emphasized in the front and side yards abutting streets or residential property. 2) At the boundaries of the lot, the following landscape area shall be required: a) From side and rear property lines, an area of not less than ten (10) feet wide shall be landscaped in compliance with Section 3, Subd. 4.Q of this Ordinance. b) From all road rights -of -way, an area of not less than fifteen (15) feet wide shall be landscaped in compliance with Section 3, Subd. 4. Q of this Ordinance. c) Where lots abut residentially zoned property, a buffer yard of not less than twenty (20) feet wide shall be landscaped and screened in accordance with Section 3, Subd. 4. Q of this Ordinance. d) The property owner shall be responsible for maintenance of all landscaping, including within the boulevard. • The building has existed and functioned for several decades. However, additional landscaping is appropriate with a new application and a landscape plan has been submitted. The City Forester has reviewed the plan and made some suggestions. The landscaping should be re- examined in cooperation with the City Forester. There may be sight line issues for driveway locations, and native plantings are the typical requirement for stormwater facilities.