TM 10-5430-243-12&P 0033 00 0033 00-5 Table 1.  MAC for Tank, Collapsible, Water Storage, 20,000 and 50,000 Gallons. (1) GROUP NUMBER (2) COMPONENT/ ASSEMBLY (3) MAINTE- NANCE FUNCTION (4) MAINTENANCE LEVEL UNIT DS GS DEPOT C O F H D (5) TOOLS AND   TEST EQUIPMENT REF CODE (6) REMARKS CODE 00 01 02 03 04 05 06 07 08 09 TANK ASSEMBLY TANK ENVELOPE VENT FITTING ASSEMBLY FILLER/ DISCHARGE ASSEMBLIES DRAIN FITTING ASSEMBLY DRAIN HOSE ASSEMBLY & BALL VALVE, 2 INCH GATE/BALL VALVE, 4 INCH FILLER/ DISCHARGE HOSE ASSEMBLY,   4 INCH GROUND CLOTH EMERGENCY REPAIR ITEMS Inspect Replace Repair Inspect Replace Repair       Inspect Replace Repair       Inspect   Replace Repair Inspect Replace Repair Inspect Replace Repair Inspect Replace Repair Inspect Replace Repair Inspect Replace Inspect Replace 0.7 0.5 0.2 0.5   0.2 0.2 0.2 0.2 0.1 0.2 0.1 0.2 0.1 0.1 0.1 2.5 4.0 0.2 1.0 0.2 0.5 1.0 0.2 0.7 1.0 0.2 0.5 0.5 0.2 0.2 0.5 0.2 0.2 1.0 0.2 0.2 0.5 0.1 0.1 1, 2 1, 2 1 2, 3 1, 2 1 1, 2 1, 2 1 1 1, 2 1, 2 1 1 1, 2 A, B B B B B B C