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The Contractor employee shall be capable of installing, repairing or modifying high and low pressure water, steam, gas, oil, or other high and low pressure pipes or fittings. Knowledge, skills, and abilities to fabricate and assemble various piping systems (P-1, P-2, & P-3 as defined in S9074-AR-GIB-010/278) of differing metal which includes: cutting, beProject nding, shaping, alignment, and mounting of piping systems on U.S. Naval Surface Ships and Submarines. The contractor employee shall have the ability to read, interpret, and apply blueprints. Knowledge of brazing procedures and how various metals and alloys such as different kinds of steel, high-strength alloy steels, aluminum, cast iron, nickel, monel, brass, copper, bronze react to different brazing processes and techniques. Have the ability to perform shop mathematical calculations involving basic geometry to lay out angles, arcs, and circles. Capable of inspecting and testing installed piping and associated valves, hardware, and hangers. Have knowledge of how equipment and systems are installed and operated as well as the ability to plan work, layout and modify or repair new and/or existing valves and piping. Shall be trained and qualified to the workmanship requirements for piping installation and fit up as prescribed in Welded Joint Design (MIL-STD 22D), Requirements for Fabrication Welding and Inspection, and Casting Inspection and repair for Machinery, Piping and Pressure Vessels (S9074-AR-GIB-010/278) and NSTM chapter 505.
220.127.116.11 Proficiency: Contractor employee(s), prior to starting work, will be required to demonstrate proficiency by performing the following tasks under government observation: End prep and fit-up for a P-14 socket joint, fit-up one joint in accordance with the S9074-AR-GIB-010/278 to demonstrate the knowledge and ability to accomplish the work specific in the contract SOW. During end prep and fit-up, the contractor employee will produce a P-14 joint that meets the requirements of the S9074-AR-GIB-010/278. Contractor employees who do not demonstrate proficiency will be considered unacceptable for use under this contract. A PSNS&IMF pipefitter training instructor along with a Contractor representative will be performing the evaluation. The Contractor employee will be required to demonstrate Proficiency in the following task:
* Measuring: measurement of inside and outside diameters, socket depth, and pull out (withdrawal) for sockets using micrometers, dial calipers, and a six inch scale. Demonstrate proper techniques for finding wall thickness, and socket depth, along with scribe lines, reference lines.
* Operate: a pneumatic angle grinder.
* End prep and Fit-up: demonstrate proper cleaning, prep, and fit-up techniques for a P-14 socket, fillet weld.