Section 690-409 - Fire suppression for storage areas(a) General rule.--Fire suppression systems for diesel fuel storage areas shall meet the requirements of this section.(b) Type system.--The system shall be an automatic multipurpose dry-powder-type fire suppression system or other system of equal capability, suitable for the intended application and listed or approved by a nationally recognized independent testing laboratory. The system shall meet the following installation requirements:(1) The system shall be installed in accordance with the manufacturer's specifications and the limitations of the listing or approval.(2) The system shall be installed in a protected location or guarded to minimize physical damage from routine operations.(3) Suppressant agent distribution tubing or piping of the system shall be secured and protected against damage, including pinching, crimping, stretching, abrasion and corrosion.(4) Discharge nozzles of the system shall be positioned and aimed for maximum fire suppression effectiveness in the protected areas. Nozzles shall also be protected against the entrance of foreign materials, such as mud, coal dust and rock dust that could prevent proper discharge of suppressant agent.(c) Automatic fire detection and suppression.--The fire suppressant system shall provide automatic fire detection and suppression for the fuel storage tanks, containers, safety cans, pumps, electrical panels and control equipment in fuel storage areas.(d) Types of alarms.--Audible and visual alarms to warn of fire or system faults shall be provided at the protected area and at a surface location that is always staffed when individuals are underground. A means shall also be provided for warning all endangered individuals in the event of fire.(e) Manual actuators.--Fire suppression systems shall include two manual actuators with at least one located within the fuel storage facility and at least one located a safe distance away from the storage facility and in intake air.(f) System operation.--The fire suppression system shall remain operative in the event of electrical system failure.(g) Monitoring of certain systems.--If electrically operated, the detection and actuation circuits shall be monitored and provided with status indicators showing power and circuit continuity. If not electrically operated, a means shall be provided to indicate the functional readiness status of the system.(h) Weekly visual inspection.--Fire suppression devices shall be visually inspected at least once each week by an individual qualified to make the inspection.(i) Maintenance, testing and records.--Each fire suppression device shall be tested and maintained. A record shall be maintained of the inspection required by this subsection. The record of the weekly inspections shall be maintained at an appropriate location for each fire suppression device.(k) Instructions.--All miners normally assigned to the active workings of a mine shall be instructed about any hazards inherent to the operation of all fire suppression devices installed and, where appropriate, the safeguards available for each device.2008, July 7, P.L. 654, No. 55, §409, effective in 180 days [ 1/5/2009].