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Appendix C C-4 ATP 4-90 18 June 2020 C-9. Table C-5 shows general class I transportation planning factors for meal types that are different from meals ready to eat. The table specifically shows planning information for unitized group rations – heat and serve. Table C-5. Class I transportation planning factors for unitized group rations – heat and serve Ration Package Weight Servings per module 50 Modules per pallet 8 (400 servings) Weight per module 129 pounds Weight per pallet 1,038 pounds Pallet size 40” x 40” x 42” C-10. Table C-6 shows class I vehicle lift capacity planning factors for unitized group rations – heat and serve based on the type of vehicle used to transport the class I and the number of pallet positions available in each vehicle type. Table C-6. Vehicle lift capacity for unitized group rations – heat and serve Vehicle Pallets Meals 5-Ton Truck, Gate Up 4 1,600 5-Ton Truck, Gate Down 6 2,400 M871 22.5-Ton Trailer 12 4,800 M872 34-Ton Trailer 18 7,200 M977/985 HEMTT Truck 8 3,200 M1078 LMTV, 2.5-Ton 3 1,200 M1085 FMTV, 5-Ton 4 1,600 PLS Flatrack 10 4,000 463L Pallet 8 3,200 20-foot ISO Container 20 8,000 40-foot ISO Container 40 16,000 Legend: M = military HEMTT = heavy expanded mobility tactical truck LMTV = light medium tactical vehicles ISO = International Organization for Standardization FMTV = family of medium tactical vehicles PLS = palletized load system WATER PRODUCTION AND CONSUMPTION FACTORS C-11. Planning for water support begins with determining the amount and quality of water required. This will depend on mission guidance from the tactical commander, mission scope, mission duration, stage of operation, OE, enemy chemical, biological, radiological, and nuclear capabilities, and size of the force. C-12. These water-planning factors enable sustainment planners to identify requirements, assess capabilities and identify water purification, storage and distribution requirements to support military force projection operations. There is no formal supply accountability for water. In regions with an extreme environment, the commander may issue water restriction guidance to conserve and prioritize water supplies. All levels of command must be concerned with the quantity and quality of water. C-13. Potable water is required for drinking, ice, food preparation, medical treatment, personal hygiene, mortuary affairs, and certain types of CBRN decontamination operations. Preventive medicine personnel may approve the use of non-potable water for certain activities. If non-potable water is used, it is preferable to use fresh water whenever possible. Brackish and saltwater are minimally acceptable and may lead to significant corrosion if used. Non-potable water falls into different classes based on filtration and is suitability for laundry, engineer construction, aircraft maintenance, vehicle maintenance, vehicle and cargo washing, firefighting, dust and pest control, and certain types of CBRN decontamination operations.