Table 17-1. Weight and Dimensions

Figure 17-1. Generator Set Operational Requirements (Sheet 2 of 2)

Figure 17-2. Mounting Bolt Layout in Concrete Pad

TM-5-6115-593-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 600 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM 5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 within a building where maximum vibration isolation is required, the following methods provide vibration isolation between the generator mounting foundation and the structure. 17-19. The foundation should be separated from the floor slab and the subsoil so vibrations will not be transmitted to the structure (see figure 17-2). Water resistant, processed natural cork has been found to be one of the most effective organic materials for isolating the foundation from the subsoil. By lining the foundation pit and its perimeter with cork plates before pouring the concrete foundation, it is usually possible to reduce the units vibration to a satisfactory degree. 17-20. Another method of isolating a foundation is to use 8 or 10 inches (20 or 25 cm) of wet gravel or sand as a bed in the foundation pit. Tests have shown sand and gravel are capable of reducing the amount of unit vibration transmitted by as much as one-third to one- half. The isolating value of gravel is somewhat greater than that of sand and does not vary appreciably with its depth. To minimize settlement of the concrete foundation from the floor slab, expansion joints should be incorporated between the slab and the foundation. 17-21. If the floor slab has sufficient strength to support the weight of the unit, and a separate foundation is not used, a satisfactory mounting can be accomplished by the use of vibration isolators between the floor slab and the unit. To limit vibration effects to an absolute minimum, the unit should be isolated from its foundation by flexible mounts and the foundation isolated, as described, from the floor. 17-22. To facilitate maintenance on the unit once it is installed, the foundation should be constructed so as to protrude above floor level by 6 to 8 inches (15 to 20 cm) as illustrated in figure 17-2 and extend 8 inches (20 cm) wider beyond the front and sides of skid and 18 inches (20 cm) beyond the rear skid as shown in figure 17-3. 17-23. A minimum clearance of 5 feet (15 m) between an installed set and adjacent walls should be maintained on three sides of the unit. A minimum clearance of 8 feet (24 m) should be maintained at the rear of the unit to facilitate the removal of the generator should it become necessary. See table 17-1 for generator set weight and dimensions. Table 17-1. Weight and Dimensions HEIGHT HEIGHT GEN WEIGHT (WITHOUT (WITH SET (FILLED) WIDTH MUFFLER) MUFFLER LENGTH 500 34,050 88 101 120 219 pounds (15,445 kg) (226 cm) (265.5) (304.5) (556) 17-5

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