Work Requirements will include but not limited to the following: 1.0 Contractor shall be prepared to respond to all request for service 24 hours per day, 365 days per year. All cost for labor and materials for these calls shall be included in the bid. 1.1 Contractor shall maintain an adequate crew of employees to perform the services requested and required. 1.2 Proposers shall include in their hourly rates, all overhead, profit, administrative cost, insurance, truck mileage, union pension fund, workman’s compensation, unemployment insurances, social security, etc., in the labor rate. NO ADDITIONAL COST WILL BE ALLOWED. 1.3 The HACC’s normal business hours are 8:30 a.m. to 4:30 p.m., Monday through Friday, which shall be considered normal work hours as may pertain to any other provision of the Contract. The Contractor must receive the approval of the Maintenance Supervisor, or authorized representative, prior to commencing any work in all cases.