NH3 Refrigeration

Ammonia Refrigeration & PSM Contractor Qualification, Training Edition

Most companies will go to some degree of lengths in selecting “qualified” contractors to include things such as job examples, a list of qualifications, require subscription to the ISN network, etc. Even then, though, sometimes bad apples slip through the cracks if the company needing a “qualified” contractor doesn’t develop a scope or set of…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Ammonia Refrigeration & PSM Contractor Qualification, Training Edition Read More »

When will the ammonia refrigeration industry finally embrace LOTO? (Part II)

Victor Dearman Jr. CIRO, CRST One of the challenges to my post was “What if the flagging tape was to indicate that the valve was in an abnormal position?” This was followed up with a challenge as to whether or not anything forbids such a method. Operating procedures should be designed to meet the requirements…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

When will the ammonia refrigeration industry finally embrace LOTO? (Part II) Read More »

When will the ammonia refrigeration industry finally embrace LOTO? (Part I)

By: Victor Dearman Jr. CIRO, CRST Flagging tape is not LOTO! And never has been. I would bet good money the operating procedure for this compressor has LOTO covered, but those are just documents to look good in a binder sitting on a shelf collecting dust because they are viewed as a necessary evil to…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

When will the ammonia refrigeration industry finally embrace LOTO? (Part I) Read More »

Scroll to Top