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Read Ebook: Engineer Port Repair Ship by United States War Department
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Ebook has 169 lines and 12751 words, and 4 pages
Purpose and scope 1 1
Mission 2 1
Relationship to other units 3 1
Organization 4 4
Duties of personnel 5 4
Ship maintenance and repair 6 4
Ship specifications 7 6
Equipment for ship operation 8 8
Supplies for ship operation 9 19
Equipment for performing mission 10 19
Supplies for performing mission 11 32
Individual training 12 34
Shipboard training 13 38
Condition of captured ports 14 40
Operations of port repair ship in a captured port 15 41
RESTRICTED
SECTION I
GENERAL
The group's mission is to return captured ports to operating condition. It repairs such port facilities as power and water-supply plants, communications, wharves, docks, warehouses, and cargo-handling equipment.
Usually, the engineer port repair ship is the first large vessel to enter the port; it carries in supplies and equipment to help the port group start its work. Some of this equipment such as portable generators, pneumatic drills, paving breakers, hammers, and saws, may be put ashore and used by the group's personnel. In addition, the facilities of the various shops on the ship are used for making or repairing parts for damaged port machinery and equipment.
SECTION II
ORGANIZATION AND DUTIES OF PERSONNEL
The engineer port repair ship crew is composed of specialists. The classifications include master mechanic, electrician, boatswain, diver, radio operator, Diesel mechanic, welder, blacksmith, cook, and able-bodied seaman. The crew consists of commissioned officers, warrant officers, and enlisted men.
Safe navigation and efficient handling of his ship at all times.
Direction of operations in carrying out the ship's mission.
The condition and appearance of his ship.
Administrative duties and the discipline and morale of his crew.
Sea-detail duties specified by the deck officer.
Outward appearance of the ship. This includes painting, rust prevention, and general ship-shape condition.
Handling lines in mooring and docking.
Navigation of the ship.
Weighing or dropping anchor.
All diving operations, including underwater inspections, construction, repairs, and demolitions.
Operation and maintenance of machine, welding, blacksmith, pipe, and carpenter shops.
Clearing harbor areas of debris and obstructions and restoring navigational aids.
The ship's crew is responsible for maintenance of the vessel, its engines, and all machinery, within the limits of the vessel's tools and spare parts and the ability of the crew. Higher echelons of maintenance, including routine overhauls, are requested through higher authority. As a guide to maintenance required of the ship's crew, all personnel will familiarize themselves with chapter 4, "Keeping Shipshape," FM 55-130.
See T/O & E 5-500
The naval armed guard is attached only when the ship is in convoy or in an extremely active theater of operations
SHIP SPECIFICATIONS, EQUIPMENT, AND SUPPLIES
For principal dimensions and capacities see table I and figure 6.
For location and capacities of fuel-oil, fresh-water, and salt-water tanks, see table II and figure 7.
Net tonnage is gross tonnage less deductions for space occupied by main engines, crew's quarters, etc. It indicates approximate cargo capacity of the ship.
P stands for port; S, for starboard.
The dead-weight scale , shows the ship's capacity for carrying dead weight, the difference between light and loaded displacement.
Sometimes called Plimsoll mark; Plimsoll mark indicates maximum allowable draft.
The ship is equipped with magnetic and gyrocompasses. The master gyrocompass is located below decks in the gyro-room. The readings of this compass are transmitted to repeaters, which are similar in appearance to magnetic compasses and are placed in the pilot house and at other points where knowledge of the ship's heading is required. Gyrocompass equipment includes the master compass and its supports, batteries, a motor-generator set for supplying power in case of failure of the ship's supply, instrument panel, and a panel for fuses and switches for the repeaters.
The magnetic compass is in the pilot house. It is mounted in a compensating binnacle that neutralizes or compensates for errors introduced into the compass by the magnetic materials on the ship.
A fathometer is installed on the navigating bridge to determine the depth of water under the ship. This instrument works on the echo depth-finding process. Briefly, it consists of a submarine oscillator in the bottom of the ship that produces a sound of sufficient intensity to travel to the ocean floor and reflect back to a sensitive receiver also located in the ship's bottom. The difference between the time of sending the sound and receiving the echo is measured by the fathometer, translated into depth, and flashed on the dial as a red light opposite a numeral corresponding to the depth in fathoms.
Near the fathometer is a fathometer recorder that records on a paper chart the depths indicated by the fathometer. This gives a continuous depth profile of the ocean bottom along the ship's course.
The main engine is an 8-cylinder, supercharged 4-cycle Diesel capable of developing 1,300 hp.
The engine has an air starting system; pressure lubrication for all running parts except the pistons, which are lubricated by oil thrown into the cylinder walls by the cranks; and an indirect cooling system in which clean soft water is circulated in a closed circuit and cooled by sea water in the heat exchangers. The fuel system uses a manifold in which fuel is maintained at constant pressure but in which there is no pressure on the injection valves except during the actual time of injection.
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