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Figure 1-1 .  Major Components of ROWPU Barge Systems and Equipment - Voids - cont
Equipment specifications - TM-55-1930-209-14P-13_23

TM-55-1930-209-14P-13 Water Purification Barges (1930-01-234-2165) Equipment Montoring System Manual
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TM 55-1930-209-14&P-13 CHAPTER 2 BRIDGE CRANE SYSTEM Section I.  Description and data 2-1 Description.    The  bridge  crane  system,  in  the  ROWPU  space,  lifts  and  transports  heavy  equipment  and materials,  such  as  diesel  generators  and  55-gallon  drums.    The  bridge  crane  is  also  used  for  loading  and  unloading equipment  and  materials  through  the  deckhouse  starboard  sliding  door.    Bridge  crane  major  components  (Figure  2-1) include: two 5-ton capacity, motor-driven, overhead cranes with end truck assemblies; a manual, chain-operated, geared trolley  hoist;  a  cable  reel  located  midway  on  each  ROWPU  system;  and  an  "I"  beam  rail  system.    The  "I"  beam  rail system,  over  which  the  cranes  move,  is  suspended  from  the  deckhouse  structure  by  a  series  of  support  posts.    Two crossover members located between the port and starboard bridge cranes provide for transfer of the geared trolley hoist. A four-button, hand-held electrical control is used for controlling fore and aft crane movement.  Electric power is provided to  the  crane  through  a  cable  that  is  extended  or  retracted  by  the  cable  reel  as  the  crane  moves  forward  or  aft. Additionally, a 2-ton electric hoist provides for lifting lighter loads.  A jib rail provides a method for moving suspended loads through the barge sliding door.  Figure 2-2 provides a top-down view of the various equipment transport paths.  The bridge crane system installation is shown on drawings listed in Appendix A. 2-2 Capabilities.  The bridge crane lifts and transports loads of up to 5 tons with the geared trolley hoist.  Loads of 2 tons or less are lifted with the electric hoist when installed on the trolley hoist. 2-3 Limitations.  Load limitations are set at loads of 5 tons or less for the bridge crane and 2 tons or less with the electric  hoist.    Lifting  slings,  listed  in  paragraph  2-8.1,  must  be  used  to  lift  and  transport  such  items  as  155  kW generators, ship auxiliary generator (SAG), ROWPU high-pressure (HP) pumps, media filters, and 55-gallon drums. 2-4 Performance characteristics.  See manufacturers' service manuals in Appendix B. 2-5 Equipment specifications. a.    Geared trolley hoist Manufacturer Monogram Industries, Inc. Chester Hoist Division CAGEC 80735 Part no. 1422-5 Type Low headroom with track Capacity 5 tons (10,000 lb) Quantity 1 b.    Cable reel Manufacturer Aero-Motive Manufacturing Co. CAGEC 82366 Part no. 0931-06-204 Type Roller outlet w/40 ft of 4 conductor #14 wire Quantity 2 c.    Jib Manufacturer Spanmaster Division of Jervis B.  Webb Co. CAGEC 5N204 Part no. NS-83-92580-A4 Type Swinging w/hinge assemblies and tie rod Length 9 ft 2 in. Material Steel Quantity 1 2-1







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