5 - 9 Table 5-3. BREACHING CHARGES FOR REINFORCED CONCRETE Reinforced Concrete Thickness (ft) PLACEMENT METHODS C = 1.0 C = 1.0 C = 1.0 C = 1.8 C = 2.0 C = 2.0 C = 3.6 Packages of M112 (C4) 2.0 1 5 5 9 10 10 17 2.5 2 9 9 17 18 18 33 3.0 2 13 13 24 26 26 47 3.5 4 21 21 37 41 41 74 4.0 5 31 31 56 62 62 111 4.5 7 44 44 79 88 88 157 5.0 9 48 48 85 95 95 170 5.5 12 63 63 113 126 126 226 6.0 13 82 82 147 163 163 293 6.5 17 104 104 186 207 207 372 7.0 21 111 111 200 222 222 399 7.5 26 137 137 245 273 273 490 8.0 31 166 166 298 331 331 595