Conditions Justifyiag 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 axamination of building foundations and slope retainument. lot grading and building excavation require controls to limit erosion and undermining of slopes. slope stabilization by landscaping and man made structures requires examination to ensure finished grades are stable. the area is located on a slope visible from tne Trans Canada Highway, Lougheed Highway and Mary Hill Bypass Highway. the area is located at a major eutry into the City of Port Coquitlam. General Regulations development planus for properties where the slope of land exceeds 15 percent are to inelude provision for site retention through landscaping and man made retention. no retaioment shall be placed closer than 1.2 metres to a property line, all lot grading and excavatiou work shall be designed by a professional engineer specializing in geotechnical work. all retainment having a height greater than 1 metre shall be designed and approved by a professional engineer. landscaping methods shail ccnform with standards in the 1985 edition of the "British Columbia Laudscape 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 a slope of four and a half (4.5) vertical to twelve (12) horizontal, except that up to fifty percert of the roof area on the west side (downhill side) of the building may be flat if used as roof deck, patios or balconies. no 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.