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City Manager G. Robert House, <br />June 19, 1981 <br />Page 5 <br /> <br />Internal d~ainag~ will be required <br />for site and parking lot. Driveways <br />between property line and curb shall <br /> <br />(3) Construction Requirements for Improvements. <br /> <br />I~provemcnts shall consist of parkway <br /> <br />the parkin~ lot, seven (7) inch thick <br />concrete aprons from ~ope~ty linc to <br />curb-or edge of pavement, curb and <br />gutter along all street frontage and <br />adjoining ~rop¢.rt~, insta£1~tion of <br />drainage p~pe in a~tches~ The off- <br />site drainage requirements of Section <br />33-56, Code of the City of Portsmouth, <br />shall apply to these developments. <br /> <br />Pavement designed for street widening <br />and parking lots appropriat~ to ~he ~ro- <br />posed use shall be installed in all c~ses <br />and shall be properly sealed b~ means <br />surface t~eatment, asphalt pav~ng or <br />concrete pav~ng. <br /> <br />Internal drainage is required for park- <br />ing where the ci£y en~inee~ considers <br />sufficient room to exist for ten <br />or more parked cars in s£andard con- <br />figuration and where, in the opinion <br />of the city engineer, the cembination <br />of rooftop area and parkin9 lot area will <br />ca,se sufficient storm water runoff'to <br />warrant £he ~cquirement. Internal drain- <br />age is defined to cover all storm water <br />runoff within the property to bc developed, <br />This includes rooftops and parking areas. <br />0nly the concrete apron between the pro- <br />pe~ty line and ~he curb is allowed to <br />fall to the street. Catch basins shall <br />be provided~i~ all parking a~eas beyond <br />the street right-of-way and storm drainage <br />pipe shall extend to the nearest drainage <br />facility of sufficient capacity as pro- <br />vided unde~ £he terms of the Off-Site <br />Drainage O~dinance, <br /> <br /> <br />