Discussion:
LP TANK FILLING

Recently was at a customers site and on the way around to back side of facillity, I noticed a forklift driver filling LP tank that was sill latched and hose still coupled to valve----while running--I asked him if this was normal and he said he was giving it a quick shot of gas and did it occaisionally to finish his shift. I asked him if he was aware that LP gas was heavier than air and collected on the ground and also the forklift was like a vacuum cleaner pulling air from the bottom around the engine and blew through the radiator, if a spark was to occur what would happen? --he thanked me and stopped filling in this manner. DO any of the Forum folks see this in your world?--- Care to share your story.....
  • Posted 9 Mar 2008 02:04
  • Modified 10 Mar 2008 07:03 by poster
  • Discussion started by roadrat
  • North Carolina, United States
Showing items 31 - 37 of 37 results.
I was amazed at how responsive the operator was when I gave him a 1 minute session on the characteristics of LP-gas vapors and the dangeruos scenario he was setting himself up for.

He stated that what I had told him was never explained and He actually Thanked me and would never fill in this manner again.

The Saftey Man has since got involved and changed their forklift Training to include filling proceedures.

From my understanding that in the past there was an "assigned" person to fill tanks.
  • Posted 7 Apr 2008 03:19
  • Modified 7 Apr 2008 03:57 by poster
  • Reply by roadrat
  • North Carolina, United States
The spit/spray valve is to determine when the cylinder is filled to the 80% level. I would not have the cylinder filled while mounted on the forklift. Therefore, the cylinder can rest in its vertical position, on the ground, where it should be during the refilling stage.
  • Posted 7 Apr 2008 01:10
  • Reply by dan_m
  • Ontario, Canada
Unless the tank is mounted verticaly how does the spit valve function properly to prevent overfilling? Tell the operator not to be so %^&* lazy and keep his co-workers alive since he does not want to live to a ripe old age himself.
  • Posted 6 Apr 2008 22:49
  • Reply by randal_s
  • Nova Scotia, Canada
OK, my message is too long, so there's no second part! But thanks for the opportunity to reply to this vital safety issue. Tom
  • Posted 14 Mar 2008 17:32
  • Reply by thomas_c
  • California, United States
Invest in people first.
LPG and Proper Safety Procedures

Working in my family forklift dealership for 20 years, and being an OSHA forklift safety trainer, I've had some experience with it.

(One of our best mechanics and also a personal friend of mine had three or four large, deep scars on his face that had been caused by an LPG tank exploding on him.)

Here's what the OSHA powered industrial safety code sections say regarding filling LPG tanks:

(It's a pretty clear-cut matter.)

OSHA Regulations (Standards - 29 CFR)
Powered industrial trucks. - 1910.178

· Standard Number: 1910.178
· Standard Title: Powered Industrial Trucks.
· SubPart Number: N
· SubPart Title: Materials Handling and Storage
· Applicable Standard: Applicable Standard:

(a) - General Requirements
(b) - Designations
(c) - Designated Locations
(d) - Converted Trucks
(e) - Safety Guards
(f) - Fuel Handling & Storage
(g) - Changing & Charging Storage Batteries
(h) - Lighting Operations
(i) - Noxious Gases & Fumes
(k) - Trucks & Railroad Cars
(l) - Operator Training
(m) - Truck Operations
(n) - Traveling
(o) - Loading
(p) - Operation of the Truck

..1910.178(o)(6) (p)(2)

"Fuel tanks shall not be filled while the engine is running. Spillage shall be avoided."

============================================

Here's what the MSDS sheet on LPG from Campora Corporation says about LPG:

"Chemical Name: LIQUEFIED PETROLEUM GAS or PROPANE

CAS Registry No.: 74-98-6 Chemical Family: Hydrocarbon

WARNING: Danger! Extremely flammable.

Compressed Gas Asphyxiant in high concentrations.

Contact with liquid causes burns similar to frost bite.

OSHA permissible exposure limit (PEL) 1000 ppm for an 8-hour workday.

Appearance and Odor: Vapor and liquid are colorless.

Product contains an odorant (unpleasant odor)."

============================================

Here's some of the facts on LPG:

Propane can be liquefied at ordinary temperatures with moderate pressures.
Propane is approximately -44 degrees Fahrenheit in the liquid state.
Propane burns cleanly, has a high heat value and has a high octane number.
Propane liquid is colorless and odorless in its natural state.
Propane liquid is extremely volatile and will vaporize quickly if spilled.
Propane liquid is extremely volatile and will vaporize quickly if spilled.
Propane liquid leaking into the atmosphere can often be detected by a white fog caused by freezing of moisture in the air.
Propane vapor is heavier than air and can accumulate in low spots.
Propane vapor will diffuse very slowly into the atmosphere unless assisted by strong wind current.
Propane vapor leaking into the atmosphere cannot always be detected by the eye.
There is approximately 37 cubic feet of vapor in one gallon of liquid.

============================================

Here's the proper fueling procedures for forklifts:

Preliminary Filling Procedures
1. Stop vehicle engine. Set emergency brake.
2. Extinguish all open flames in vehicle. Check to insure all burners and pilots are extinguished.
3. Extinguish all smoking materials.
4. Require all passengers to leave vehicle during filling.
5. Determine that tank is not already full by observing discharge from outage valve or weight of container and contents.
6. Carefully inspect tank to insure it is in good condition and approved for LP-gas service. Do not fill tank if defects are found.
7. Fill only tanks with DOT, ICC or ASME nameplates or markings.
8. Fill only tanks which have required protective ring or protective housing to prevent physical damage to valves.
9. Insure that tanks are equipped with a safety relief valve communicating with vapor space. Safety relief valve discharge vent must be covered to prevent entrance of water or dirt.
10. Inspect all tank valves for leakage at time of filling. A leaking container cannot be filled.

============================================

I have to cut the message off<
  • Posted 14 Mar 2008 17:23
  • Reply by thomas_c
  • California, United States
Invest in people first.
Not since I was alive!!!!

:-)
  • Posted 14 Mar 2008 00:23
  • Reply by MikeD
  • Massachusetts, United States
Roadrat,

We see everything!
  • Posted 9 Mar 2008 10:29
  • Reply by dan_m
  • Ontario, Canada

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