Specifications include, but are not limited to: Provide all equipment, attachments, accessories and fuel. Remove all build-up, sludge, debris from sewer, yard drains, and building drain systems. Dispose of properly. Debris will NOT be dumped or stored on HACP property. Maintenance andprotection of traffic including furnishing and installing warning signs. When Flagmen are required, work zone shall be maintained as per Penn Dot Publication 203; Flagmen shall be dedicated to traffic control duties. Clean up all stains or marks left on roadways, sidewalks, curbs, and grassy areas. Overtime must be authorized in advance and in writing by the Director of Facility Services. No vehicles will be permitted on grass (lawns).