Specifications include, but are not limited to: Fairfax Water invites prequalified bidders/contractors properly licensed in the Commonwealth of Virginia to provide construction services to include, in general terms, the following items of Work - (i) installation of new 24-inch, 16-inch, 12-inch, 10-inch, 8-inch, 6-inch, and 4-inch zinc coated ductile iron water mains and associated connections to existing water mains; (ii) installation of 42-inch trenchless crossings; (iii) installation of a 10-foot by 10-foot pressure reducing valve vault and a 6-foot by 6-foot pressure reducing valve vault and associated piping and fittings; (iv) installation of corrosion control measures including polyethylene encasement, bonded joints, and test stations; (v) installation of water main related appurtenances (hydrants, valves, and air releases); (vi) restoration (asphalt pavement and milling, concrete curb and gutter, concrete sidewalks, asphalt trails, landscaping, and seeding and fertilizing); and (vii) performance of other miscellaneous water main related construction activities.