Conditions Justifying Slope gradient in the development permit area varies from a low of 15 percent upwards to over 25 percent. this steepness of slope requires geotechnical examination of building foundations and slope retainment. lot grading and building excavation require controls to limit erosion and undermining of slopes. slope stabilization by landscaping and man made structures tequires examination to ensure finished grades are stable. the area is located on a Slope visible from the Trans Canada Highway, Lougheed Highway and Mary Hill Bypass Highway. the area ig located at a major entry into the City of Port Coquitlam. General Regulations Be development plans for properties where the slope of land exceeds 15 percent are to iuclude provision for site retention through landscaping and man made retention. no retainment shail be placed closer than 1.2 metres to a property line. all lot grading and excavation work shall be designed by a professional engineer specializing in geotechnical work. ali retainment having a height greater than 1 metre shall be designed and approved by a professional engineer. landscaping methods shall conform with standards in the 1985 edition of the "British Columbia Landscape Standards" published by the B.C. Society of Landscape Architects and the B.C. Nursery Trades Association. no building shall be constructed without a pitched roof having @ slope of four aud a half (4.5) vertical to twelve (12) horizontal, except that up to flfty percent of the roof area on the west side (downhill side) of the building may be flat if used as roof deck, patios or balconies. ao less than four (4) unique dwelling unit types shall be located on each multiple family property. color schemes and design shall be comprehensive for each multiple family development and shall be compatible with the color scheme of buildings on neighboring properties. 1i