Ord 2011-061 - Laserfiche WebLink

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6. When a Structure is constructed, the Lot must be improved with sidewalks meeting all specifications contained in the Subdivision Restrictive Covenants and by the ACC. Where applicable, sidewalks must be connected with the sidewalks on adjacent Lots. 7. One (1) monument -type sign having a sign area of no greater than 30 square feet is allowed adjacent to or in close proximity to the main entrance drive. The monument sign will be constructed with similar stone as the Structures. 8. All buildings are to be full four -sided architecture. Individual unit access /front door is planned through the building breezeway. B. Open Space The 20% Open Space requirement for this PDD, being 2.60 acres, has been provided through the previous parkland dedication, per the recorded subdivision plat, of 50.911 acres. The following calculations document this requirement conformance: Lot 1, Block C MU Zoning 36.322 Acres Less This MF -24 Tract 13.000 Acres 23.322 Acres Lot 1, Block D MU Zoning 13.681 Acres Total MU Residential Area 37.003 Acres MU Population = 37.003 Acres x 5.5 Units /Acre x 2.1 People/Unit = 427 People MF -24 Population = 13.000 Acres x 24.0 Units /Acre x 2.1 People/Unit =655 People Total Residential Population = 1,082 People Required Parkland Area = 5.0 Acres/ 1,000 Population x 1,082 People = 5.41 Acres Required Open Space = 2.60 Acres Total Required Parkland and Open Space Area = 8.01 Acres Provided Parkland Area = 50.911 Acres C. Stormwater Detention The City has previously approved a stormwater detention waiver for the substantial majority of the subdivision that surface drains directly to the Blanco River, including this 13.0 acre tract. Because there will be no increase in impervious cover from the original MU base zoning of 60 %, on -site stormwater detention will not be required for this Lot. D. Low Impact Development Methods for Water Quality Low Impact Development (LID) methods for water quality will be incorporated into the site design and construction, including the on -site paved areas for parking and drives and the compensation in water quality for enclosing the Cotter Avenue and Riverway Avenue roadside drainage channels with storm sewer culverts (for reduced drainage easement width). It is noted that a plat note with the recorded subdivision plat already requires any site development to utilize low impact development methods. These LID methods could include, but not be necessarily limited to, bio- retention swales or cells, vegetative filter strips, rain gardens, rainwater harvesting, and other related methods approved by the Owner, Developer, Property Owners Association (POA) and the Director of Development Services. As a demonstration of the commitment to incorporate LID methods for the project development, bio- retention swales might be utilized for water quality compensation for the Cotter Avenue and Riverway Avenue drainage channels (grassy -lined swales) and would be located over the storm sewer culverts, in parking lot islands, at end of parking area 10