Note: | This table applies to the permanent storage of commercial explosives only. It does not apply to: |
1. Explosives handling; | |
2. Explosives transportation; | |
3. Temporary storage of explosives; | |
4. Bombs, projectiles, or other heavily encased explosives. |
Note: | Definitions of barricade including artificial and natural barricade can be found in WAC 296-52-60130, Definitions. |
QUANTITY AND DISTANCE TABLE FOR SEPARATION BETWEEN MAGAZINES CONTAINING EXPLOSIVES | Separation Distance in Feet Between Magazines | ||||||
Pounds Over | Pounds Not Over | Not Barricaded | Barricaded | ||||
2 | 5 | 12 | 6 | ||||
5 | 10 | 16 | 8 | ||||
10 | 20 | 20 | 10 | ||||
20 | 30 | 22 | 11 | ||||
30 | 40 | 24 | 12 | ||||
40 | 50 | 28 | 14 | ||||
50 | 75 | 30 | 15 | ||||
75 | 100 | 32 | 16 | ||||
100 | 125 | 36 | 18 | ||||
125 | 150 | 38 | 19 | ||||
150 | 200 | 42 | 21 | ||||
200 | 250 | 46 | 23 | ||||
250 | 300 | 48 | 24 | ||||
300 | 400 | 54 | 27 | ||||
400 | 500 | 58 | 29 | ||||
500 | 600 | 62 | 31 | ||||
600 | 700 | 64 | 32 | ||||
700 | 800 | 66 | 33 | ||||
800 | 900 | 70 | 35 | ||||
900 | 1,000 | 72 | 36 | ||||
1,000 | 1,200 | 78 | 39 | ||||
1,200 | 1,400 | 82 | 41 | ||||
1,400 | 1,600 | 86 | 43 | ||||
1,600 | 1,800 | 88 | 44 | ||||
1,800 | 2,000 | 90 | 45 | ||||
2,000 | 2,500 | 98 | 49 | ||||
2,500 | 3,000 | 104 | 52 | ||||
3,000 | 4,000 | 116 | 58 | ||||
4,000 | 5,000 | 122 | 61 | ||||
5,000 | 6,000 | 130 | 65 | ||||
6,000 | 7,000 | 136 | 68 | ||||
7,000 | 8,000 | 144 | 72 | ||||
8,000 | 9,000 | 150 | 75 | ||||
9,000 | 10,000 | 156 | 78 | ||||
10,000 | 12,000 | 164 | 82 | ||||
12,000 | 14,000 | 174 | 87 | ||||
14,000 | 16,000 | 180 | 90 | ||||
16,000 | 18,000 | 188 | 94 | ||||
18,000 | 20,000 | 196 | 98 | ||||
20,000 | 25,000 | 210 | 105 | ||||
25,000 | 30,000 | 224 | 112 | ||||
30,000 | 35,000 | 238 | 119 | ||||
35,000 | 40,000 | 248 | 124 | ||||
40,000 | 45,000 | 258 | 129 | ||||
45,000 | 50,000 | 270 | 135 | ||||
50,000 | 55,000 | 280 | 140 | ||||
55,000 | 60,000 | 290 | 145 | ||||
60,000 | 65,000 | 300 | 150 | ||||
65,000 | 70,000 | 310 | 155 | ||||
70,000 | 75,000 | 320 | 160 | ||||
75,000 | 80,000 | 330 | 165 | ||||
80,000 | 85,000 | 340 | 170 | ||||
85,000 | 90,000 | 350 | 175 | ||||
90,000 | 95,000 | 360 | 180 | ||||
95,000 | 100,000 | 370 | 185 | ||||
100,000 | 110,000 | 380 | 195 | ||||
110,000 | 120,000 | 410 | 205 | ||||
120,000 | 130,000 | 430 | 215 | ||||
130,000 | 140,000 | 450 | 225 | ||||
140,000 | 150,000 | 470 | 235 | ||||
150,000 | 160,000 | 490 | 245 | ||||
160,000 | 170,000 | 510 | 255 | ||||
170,000 | 180,000 | 530 | 265 | ||||
180,000 | 190,000 | 550 | 275 | ||||
190,000 | 200,000 | 570 | 285 | ||||
200,000 | 210,000 | 590 | 295 | ||||
210,000 | 230,000 | 630 | 315 | ||||
230,000 | 250,000 | 670 | 335 | ||||
250,000 | 275,000 | 720 | 360 | ||||
275,000 | 300,000 | 770 | 385 | ||||
Note: | With site-specific department approval, a stand of mature timber may qualify as a natural barricade. The timber must be dense enough so the area requiring protection cannot be seen from the magazine when the trees are bare of leaves. |