Table H-21—Quantity and distance table for separation between magazines.
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. |
Magazines containing detonators and electric detonators must be separated from:
(1) Other magazines with similar contents; or
(2) Magazines containing explosives.
Note: | Definitions of barricade including artificial and natural barricade can be found in WAC 296-52-60130, Definitions. |
Table H-21
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. |
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 17-16-132, § 296-52-69110, filed 8/1/17, effective 9/1/17. Statutory Authority: RCW
49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, § 296-52-69110, filed 1/23/02, effective 3/1/02.]