PDFWAC 296-52-69110

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.]