Scope of Work: Contractor agrees to furnish labor, materials, tools, equipment and supervision necessary to perform diving services. Types of underwater work to be performed include, but is not limited to, Inspection, Repair, General Maintenance / Cleaning and Construction Work. Common Inspection tasks include, but are not limited to performing, underwater inspections and documenting the “as found” conditions of submerged PG&E assets. These inspections may include but are not limited to: ▪ Dams, Intake Towers, Grizzlies Trash Racks and Intake Screens, Spillways, Penstocks Tunnels, Storage Tanks, Vaults, Adder-ways, Expansion Joints, Sealing Surfaces, Gates (radial, slide, drum) Valves (slide, gate, sluice, butterfly, globe), Cables and chains, Operators, Control Shafts, Gears Wheels, Paddles, Guides, Connecting hardware, Exposed piping (.50” to 16’ diameter). Bottom conditions (I.e. debris fields, sediment deposits and scour areas. Repair tasks include, but are not limited to: ▪ Repair of damaged grizzlies or intake screens, Replacement of broken chains, inoperable shafts, seals, guides and joints, Replacement of valves, operators or gates, remediation of damaged concrete surfaces. ▪ These tasks may be accomplished using special concrete and epoxy compounds, neoprene rubber, wedge anchors, nuts/bolts/all-thread and or OEM replacement parts. Maintenance tasks may include, but is not limited to: ▪ Rehabilitation of underwater steel surfaces, Replacing underwater hoses and piping, Servicing seal assemblies, sealing leaking stoplogs/gates/valves, Removal of crustacean growth and marine vegetation, Patches spalls in concrete surfaces, Clearing and removal of underwater debris, which impedes the operation of PG&E assets, Diver assisted hand dredging of mud, silt, gravel, and small rock Construction activities may include, but is not limited to: ▪ Fabrication and installations of shaft guides, stoplog seals, grizzlies, valves, gates, guides, stops, operators, piping and concrete placement. ▪ Adding cover to existing pipelines with materials such as rock or native materials, pipeline installation of features such as clamps or other temporary pipeline repairs, installation or removal of pipeline anchors, and gas pipelines. ▪ Supporting Tower Demolition crews and Tower Foundation Building crews with barges that can support cranes and heavy equipment for delivery to islands and locations surrounded by water. Requirements: ▪ ISNetworld Registration: Bidders must be registered with ISNetworld (ISN) and maintain a current safety rating of A or B throughout the duration of the contract. ▪ Self-Performance Requirement: Bidders must be a qualified Marine Contractor and are required to selfperform all work. ▪ Labor Compliance: Bidders must be union-affiliated or demonstrate compliance with prevailing wage requirements.
