MIL-S-62095 Semitrailers, Tank: General Purpose Water, 7580 And 15 160 Liters 2,000 And 4,000 Gallon, Modified CommercialThis specification covers 7580 liter L 2,000-gallon, single axle and 15 160 L 4,000-gallon, tandem axle, tank type semitrailers for the transportation of nonpotable water. Vehicles procured under this specification are commercial items that are required to be warranted by the manufacturer as specified in acquisition documents.

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MIL-S-62095C(AT)

3.17 Type II (gravity discharge). Type II semitrailers shall be designed for gravity discharge and discharge by suction at a rate of 950 L/min (250 gpm) from an outside source (fire truck pump). The semitrailer shall be equipped with tank outlet valve(s) with valve control(s) and valve screen(s) as specified in 3.16.3. Tank outlet valve control(s) shall be located in the right

(curbside) cabinet. Gate valves as specified in 3.16.4 shall be provided in the right side cabinet and at the rear of the semitrailer in convenient, protected locations.

3.18 Insulation, class 2 semitrailers. The tank and all piping on class 2 semitrailers shall be completely covered with a minimum of 50 mm (2 inches) of fiberglass insulation material. External rings shall be welded to the exterior of the inner tank to provide insulation space between the inner tank and the outer insulation jacket. The insulation jacket shall be of type 304 stainless steel and shall completely enclose the tank, including the front, rear, top, sides and bottom. The insulation jacket shall be waterproof. A watertight double cover with insulation shall be provided over the manhole.

3.19 Stowage of on-vehicle equipment. Provisions shall be made for securing all equipment on the semitrailer.

3.20 Tools. Such tools as are normally required for operation of the equipment shall be furnished and stowed in the left (streetside) cabinet.

3.21 Servicing and adjusting. Prior to acceptance of each vehicle by the Government, the contractor shall service and adjust each vehicle and its mounted equipment for operational use, including at least the following:

(a) Adjustment of engine; (b) Adjustment of brakes;

(e) Complete lubrication with grades of lubricants recommended for the ambient air temperature at the delivery point.

3.22 Workmanship. Defective components or parts and assemblies which have been repaired or modified to overcome deficiencies shall not be furnished. Bolted, riveted and welded construction used shall be in accordance with the highest standards of the industry.

* 3.22.1 Metal fabrication. Metal used in the fabrication of equipment shall be free from kinks and sharp bends. The straightening of material shall be done by methods that will not cause damage to the metal. Shearing and chipping shall be done neatly and accurately. All bends of a major character shall be made with controlled means in order to ensure uniformity of size and shape.