Specifications include, but are not limited to:NEW, SNOW PLOW – ONE WAY –MEDIUM RIGHT,NEW, SNOW PLOW – ONE WAY – HEAVY RIGHT,NEW, SNOW PLOW – TWO WAY –MEDIUM HYDRAULIC,NEW, SNOW PLOW – TWO WAY –HEAVY HYDRAULIC,NEW, SNOW PLOW WING –MEDIUM RIGHT,NEW, SNOW PLOW WING –MEDIUM LEFT. It is the intent of this specification to describe snowplowing equipment required by the New Hampshire Department of Transportation suitable for sustained high speed plowing operations. All snow plow and snow wing plow equipment must fit existing predominantly Frink or Viking truck attachments and be suitable for immediate use without modification such that all snowplows and snow wing plows are interchangeable. Said equipment shall be ruggedly built from new material by experienced snow plow manufacturers capable of producing a minimum of 100 snow plow units per year and able to furnish parts and components promptly for current and previous models for that manufacturer. All snow plow and snow wing plow equipment shall be so designed to completely drain any areas of water collection when stored outside in upright position without loss of structural integrity. A metal identification plate shall be affixed to the top of each unit showing manufacturer, model number, serial number and year of manufacture (actual year or recognizably coded) in legible condition.