(a) All compressed air receivers, cylinders, or other vessels used in or around surface mining operations shall be protected by safety or relief valves to insure safe operation. All oxygen, acetylene, or similar compressed gas cylinders shall comply with manufacturer's recommendations.
(b) Safety or relief valves shall be tested once each operating day.
(c) All compressed air receivers, tanks, etc., shall be equipped with a drain valve and a pressure gauge.
(d) Drain valves shall be operated at least once each operating day.
Structure Code of Alabama
Title 25 - Industrial Relations and Labor.
Article 13 - Surface Mining Operations.
Section 25-9-270 - Applicability of Provisions.
Section 25-9-271 - Maintenance, etc., of Banks; Overburden, etc., of Open Pits.
Section 25-9-272 - Maintenance, etc., of Means of Access to Pits.
Section 25-9-273 - Operation, Inspection, and Maintenance of Shovels and Draglines.
Section 25-9-275 - Guarding of Exposed Engines, Wheels, etc.; Safety of Tools.
Section 25-9-277 - Handling and Use of Explosives and Detonators.
Section 25-9-278 - Blasting Practices and Procedures Generally.
Section 25-9-279 - Electrical Blasting Practices and Procedures.
Section 25-9-280 - Handling of Explosives During Blasting Operations; Warnings, Guards, Etc.
Section 25-9-281 - Safety Devices and Practices for Compressed Air Receivers, Etc.
Section 25-9-282 - First Aid Equipment; Training of Personnel in First Aid Methods.
Section 25-9-284 - Increase in Hazards of Pit Operations to Be Reported.