When the Planning Commission shall have approved the site plan, it may require, in accordance with the standards adopted by ordinance of the Borough of Catawissa, the furnishing of a performance guarantee for any or all of the following improvements which it may deem to be appropriate: street grading, pavement, parking areas, gutters, curbs, sidewalks, lighting, plantings, screening, fencing, storm sewers, sanitary sewers or sewerage disposal, and such other improvements as the Planning Commission may deem appropriate.