11 Pa.C.S. ch. 119 – Contracts | Midpage11901Power to make and regulate contracts11901.1Contracts or purchases in excess of base amount of $18,50011901.2Contracts or purchases not in excess of base amount of $18,50011901.3Determining amount of contract11901.4Contracts or purchases not requiring advertising or bidding11901.5Receipt, opening, award or rejection of bids11901.6Bid, performance and payment security11901.7Compliance with other laws11901.8Prohibitions11901.9Lowest responsible bidder11902Evasion of advertising requirements11903.1Adjustments to base amount based on Consumer Price Index for All Urban Consumers11906Designation of appropriations, certification in excess of appropriation and contracts for governmental services for more than one year11908.1Purchase contracts for petroleum products, fire company and participation11909Separate bids for plumbing, heating, ventilating and electrical work, elevators and escalators11910Acceptance by contractor of Workers' Compensation Act11911Contracts for improvements and assignment of assessments11912Architects and engineers in employ of city, prohibitions from bidding on public works and penalty11916Contracts with passenger or transportation companies