Central Heating Plant Supplement

UNB Reference Number: 7810 and 7811
Authorized by: James Downey, President,
Effective Date: January 13, 1989
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All University personnel required to work on location at the Central Heating Plant.


Shift Supervisor shall be advised of all work that is to be carried out and shall ensure that proper safety procedures are being followed. Shift Engineer-in-Charge shall be the first to lock out, the last to remove lock, shall provide lockout bar for other trades and shall record all actions in station log.

Intent A

To provide the procedures related to the safe entry into the confined spaces found within the Central Heating Plant, i.e., boiler drums, deaerator, blowdown tank.

All supply lines to and from the boiler deaerator or blowdown tank are isolated and control valves locked shut by Shift Supervisor. Such valves to and from a boiler include:

  • main steam header valve
  • feedwater valve
  • continuous blowdown valve
  • bottom blowdown valve

All pressure vessels shall be well vented before entry.

No person shall enter a pressure vessel before it has been adequately cooled.

A person shall be stationed outside to keep watch and assist as required.

Care must be exercised to prevent tools, material, etc., from being dropped into boiler tubes during course of maintenance in upper drums.

Battery powered lights should be used to provide illumination during inspection and repairs.

Intent B

To outline the procedures related to the safe entry into wood receiving hopper and wood storage silos.

Power supply to live electrical equipment shall be disconnected and locked out prior to commencement of work.

Before entry into receiving hopper or silo, Shift Supervisor and employee in charge of repairs shall be satisfied that such entry is free of hazard; e.g., stored material is not domed; stored material has safe angle of repose.

No employee shall enter a silo without having a second employee standing by outside of silo.

No employee shall remain in a silo when material or equipment is being raised or lowered within the silo.