Pipeline 5 Relining, North Twin Oaks Valley Road to Crossover Pipeline Turnout

In general, the work consists of relining an existing untreated water 96 inch inside diameter prestressed concrete cylinder pipe by fabricating, setting, and welding approximately 5,000 feet of 93 inch outside diameter welded steel liners; installing approximately 200 feet of 93 inch outside diameter cement mortar lined welded steel pipe closure pieces at four portals; grouting annular space behind installed steel liners; field applying cement mortar lining to interior of installed steel liners; installing four portals to access the existing 96 inch pipe; installing, maintaining, and removing environmental fencing and flagging; installing and maintaining storm water pollution prevention measures; clearing and grubbing; dewatering; providing traffic control; excavating and backfilling; providing excavation support systems; installing, maintaining, and removing temporary fencing; cutting, demolishing, and disposing of prestressed concrete cylinder pipe; placing reinforcing steel and encasing welded steel pipe in concrete; installing seven cathodic protection test stations; restoring the site including placement of soil amendments and hydroseeding; restoring existing access roads along reline segment; replacing valves and piping components; installing bulkheads; disposing of all removed equipment and materials; providing record documents; and completing other appurtenant work as required by the Contract Documents.

Division 01 -	General Requirements, Vehicular Access and Parking, Traffic Control, Temporary Barriers and Enclosures.
Division 03 -	Concrete, Precast Concrete.
Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 32 -	Exterior Improvements, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Paving Specialties, Pavement Markings.
Division 33 -	Utilities, Instrumentation and Control for Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Disinfecting of Water Utility Distribution, Water Utility Storage Tanks, Storm Drainage Utilities, Storm Utility Drainage Piping, Storm Utility Water Drains, Ponds and Reservoirs, Storm Drainage Structures.