This is awesome. Cavitation has been the end of many pumps in my career and the causes of some significant LOPC events, but to see it be created and watch it in clear pipes and pumps is the way to learn. This short video should be in every operator’s training!!… Membership Required You must be...
No, the employer is not required to include findings and recommendations from the facility siting study report in the same PHA worksheet or recommendations log to comply with 29 CFR § 1910.119(e)(5) and 29 CFR § 1910.119(e)(7)…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
As I always say, we can not discuss MOC and PSSR as if they are separate systems… they go hand in hand 99% of the time. That is what I want to discuss: how a PSSR requirement defines how we manage our MOC system. We have discussed many times there are ONLY TWO (2) occasions…...
Buckle up buttercup… the political winds in DC are shifting and with this comes “opportunities” – man how I hate politics! For those of you who may have thought that the RMP Amendments from the final year of the President Obama administration were long gone – THINK AGAIN! On Friday (12/4/20), the U.S. Court of…...
On the plate heat exchanger, a machined nut backed off on the flange bolt that holds the gasket in place. This caused part of the gasket to blow out resulting in ammonia (NH3) to leak into the machine room. The machinery room alarm was activated. Upon inspection, the following failures were found:… Membership Required You...
This draft guidance document is intended to clarify to the public regarding existing pipeline safety standards. The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, but pipeline operators must comply with the underlying safety standards. (emphasis by me)… Membership...
In the recently released Internation Fire Code (IFC) 2021 edition, the newly designated Section 608 – Mechanical Refrigeration, the code references IIAR 2, 6, 7, 8, and 9 when the refrigerant used is anhydrous ammonia (NH3). The 2021 edition still has many of the long-time requirements that will apply to NH3 systems, such as “emergency…...
NFPA 497, Table 4.4.2. has become my “go-to” source for chemical-physical property data for my flammables (along with the SDS). Although they use Celsius rather than Fahrenheit, and this drives me crazy just because I am “old school”, this table is instrumental for understanding the “Group” your flammable gas/vapors belong to! In the 2021 edition…...
All new or modified chlorine piping systems must undergo pressure testing to verify the integrity of the piping (see section 11.4 for leak testing). ASME B31.3 (13.2.8 ), Process Piping testing requirements, should be applied as a minimum standard. There are three (3) types of acceptable testing methods: hydrostatic testing, pneumatic testing, and the alternate…...
Liquid chlorine has a very high coefficient of thermal expansion. Relatively small increases in liquid chlorine temperature can create enough pressure to cause a blocked-in section of piping to rupture or leak at the connections. A temperature rise from 14°F (-10°C) to 32°F (0°C), will expand liquid chlorine by 2%. However, in a contained volume,…...
Leak testing should be done once the piping system is completely assembled. The purpose of a leak test is to ensure all connections and components will not leak chlorine when pressurized. Leak testing is not a substitute for pressure testing. If the system was not disassembled and reassembled as part of the pressure testing and…...
The Chlorine Institute has revised its piping RAGAGEP and it is FREE for anyone who wants it. Pamphlet 6 – Piping Systems for Dry Chlorine, Edition 17 contains major revisions to the following sections, in addition to minor clarifying changes throughout the pamphlet:… Membership Required You must be a member to access this content.View Membership...
