Specifications include, but are not limited to: It is the intent of this specification to describe the State of New Hampshire requirements for the purchase of a new single engine combination machine for high pressure water cleaning of sewer or storm drain lines with a vacuum system for simultaneous removal removing all debris commonly found in storm basins, leads, manhole structures and/or sanitary sewer lines using a front mounted operating station. The unit shall consist of a centrifugal compressor vacuum system, a hydraulically driven high pressure water pump, an enclosed sealed body for storage of collected debris and equipped with a self-contained water supply as the source for the water pump system. The unit shall have the capability of operating both vacuum and water system simultaneously at full operating speeds continuously. The Centrifugal Compressor system shall be powered by a hydrostatic drive system. Bids will be accepted for consideration on any make or model that is equal or superior to the equipment specified. Decisions of equivalency will be at the sole interpretation of the State of New Hampshire’s Bureau of Purchasing and Property. Bidder shall demonstrate a reasonable likeness of the equipment being offered within a reasonable time of request. Equipment demonstrated shall be equipped with all accessories and components required in this specification to ascertain equivalence. A blanket statement that equipment proposed will meet all requirements will not be sufficient to establish equivalence. Original manufacturer's brochures of the proposed unit are to be submitted with the proposal.