Modifying certain provisions under the uniform municipal contracting law; modifying the definition of contract and defining best value, sealed and single source; authorizing the awarding of contracts based on best value, determination to be based on the evaluation criteria in the solicitation document; classifying information contained in vendor responses to requests for proposals and specifying certain requirements for use of the solicitation procedure; authorizing the awarding of a contract to more than one vendor and providing for single source awards under certain conditions; authorizing contracts for purchases with suppliers with schedules of prices for sales to federal agencies in lieu of soliciting bids (mk)