EP 1130-2-510
13 Dec 96
(3) Air Compressors. Be familiar with the working, control, and lubrication of station air
compressor and governor air compressor. Know the operating pressure of the generator brake
system, be able to jack a unit and return the brakes to normal. Know the tail water depression
system, its components and operation.
(4) Heating, ventilating and air conditioning. Be familiar with the air treatment systems,
their location in the powerhouse and areas they furnish treated air; working of air conditioning
unit and water chilling unit; filtering system used for the ventilating fans; operation and purpose of
the heaters used in the generator housing and the generator air cooling system.
(5) Pumps and Pipe-fitting. Know location, purpose, components and operation of all
pumps in the powerhouse, use of different types of valves, installation of packing rings, making
screwed pipe joints and incidental repair/maintenance work involved with pumps and pipes.
(6) Machine Shop. Know all machinery in the Machine Shop, its operation and use. Be
able to accomplish jobs on the lathe, band saw, drill press, milling machine, and other machinery.
(7) Welding. Know the use of acetylene and electric welding equipment, use of flux in
welding and purpose of wearing a shield when welding. Be able to repair/weld cavitation damage
in addition to other common jobs.
(8) Water Systems. Be familiar with the various water systems used in the power plant,
such as raw water system, turbine unwatering system, generator stator cooling system, generator
and turbine bearing cooling systems, water purification and sewage treatment systems. Be able to
operate and maintain these systems.
(9) Fire Fighting Equipment. Know types of fires and the equipment and chemicals
required to extinguish each type. Be aware of precautions to be taken for safety to human life
when using fire extinguisher, and procedure for reporting fire alarms in the powerhouse.
(10) Safety and Clearance Procedure. Must be familiar with the safety rules and
regulations pertaining to power plants and be able to take adequate precautions while working on
different jobs such as welding, grinding, cleaning generator shaft with the unit in motion, working
in the wheel pit of a machine, painting or cleaning with paint thinning solutions, and use of
breathing equipment. Know the precautions to be taken to avoid contact with the live electric
current. Recognize safety hazards of moving equipment; compressed air, gas, and liquids; electric
shocks; flying particles, dust, dirt and fumes; and working in contained spaces. Know and
recognize all clearance cards and purpose of each card, responsibilities of the person receiving a
clearance, and actions for clearing in and clearing out. Understand why it is necessary to follow a
switching order in the exact order in which it is written.
(11) Elements of Rigging. Understand and be able to accomplish things like splicing and
seizing hemp and wire ropes. Be able to handle and use wire ropes in a safe manner, determine the
safe load capacity of a hook, mechanical advantage of block and tackle in handling heavy loads,
use of shackles and rope clips and their applications. Should be able to define and use choker,
double-bridge slings, thimble, open and closed sockets, and spelter sockets.
(12) Maintenance and Repair of Mechanical Equipment. Be able to maintain, repair,
adjust, and lubricate mechanical features of generators and motors, turbines and pumps,
H-5
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