---
kind: "section"
citation: "30 C.F.R. § 57.6161"
title: "30"
number: "57.6161"
heading: "Auxiliary facilities."
url: "https://uscodex.org/cfr/30/57.6161"
---

# §57.6161. Auxiliary facilities.

- (a) Auxiliary facilities used to store explosive material near work places shall be wooden, box-type containers equipped with covers or doors, or facilities constructed or mined-out to provide equivalent impact resistance and confinement.
- (b) The auxiliary facilities shall be—
  - (1) Constructed of nonsparking material on the inside when used for the storage of explosives;
  - (2) Kept clean, suitably dry, and orderly;
  - (3) Kept in repair;
  - (4) Located out of the line of blasts so they will not be subjected to damaging shock or flyrock;
  - (5) Identified with warning signs or coded to indicate the contents with markings visible from any approach;
  - (6) Located at least 15 feet from all haulageways and electrical equipment, or placed entirely within a mined-out recess in the rib used exclusively for explosive material;
  - (7) Filled with no more than a one-week supply of explosive material;
  - (8) Separated by at least 25 feet from other facilities used to store detonators; and
  - (9) **Kept securely locked unless all access to the mine is either locked or attended.**

## Notes

### Source

Source: 61 FR 36801, July 12, 1996, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.