To control the interface between commercial and industrial Development and the interface between commercial and/or industrial Development and other land uses in the area, by implementing adequate buffering between the land uses and hy regulating the volumetric proportions of the commercial and industrial structures, (3) Guidelines (a) Character of Buildings All buildings, structures, and expansion or additions thereto shall be architecturally coordinated and should be planned in a comprehensive manner, giving consideration to the relationship between buildings and open areas, efficiency of the circulation systems, visual impact and design compatibility with the surrounding developments. Planning of all buildings subject to Development Permits shall be made with due consideration to the relation between building height, site coverage, yard setbacks and in relation te surrounding properties and streets. Exterior storage shall be limited to domestic garbage containers and shall be enclosed by an architecturally-integrated opaque or translucent screen having a height of not iess than 2.0 metres. Siting and Accesses Loading spaces shall not be permitted in front yards. Access to industrial and business industrial uses from Dominion Avenue will be discouraged; where access from Dominion Avenue is unavoidable, turning movements may be restricted. Parking Parking will be encouraged to locate in multi-level structures. Where parking is provided at street level, it shall not be located within any front yard or sideyard facing a street. Parking for commercial developments fronting Ottawa Street and west of Ottawa Street may be located in front yards or side yards facing a street, provided that adequate landscaping shall be provided to soften the visual impact of the parking area from the road. Landscaping Parking areas visible from a street, lane or adjacent residential development should be screened with substantial landscaping, and interplanting of the parking areas with trees is required. Retention of mature trees to integrate into the overall landscaping is encouraged.