From 54d9fe5c5b2acb1cb96ebabe8bbdc454e166fb2a Mon Sep 17 00:00:00 2001 From: Jil FISCHBACH <jil.fischbach@uni.lu> Date: Fri, 7 Feb 2020 14:43:04 +0100 Subject: [PATCH] creation howto card --- .../p.5.2_replacement-gas-bottles_BTA.md | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 p.5.2_replacement-gas-bottles_BTA/p.5.2_replacement-gas-bottles_BTA.md diff --git a/p.5.2_replacement-gas-bottles_BTA/p.5.2_replacement-gas-bottles_BTA.md b/p.5.2_replacement-gas-bottles_BTA/p.5.2_replacement-gas-bottles_BTA.md new file mode 100644 index 00000000..d26281a4 --- /dev/null +++ b/p.5.2_replacement-gas-bottles_BTA/p.5.2_replacement-gas-bottles_BTA.md @@ -0,0 +1,43 @@ +--- +layout: page +permalink: /internal/p.5.2_replacement-gas-bottles_BTA/ +--- +# P5.2: CO2 Gas bottle replacement BTA +This section describes the procedure for replacement of gas bottles. + +1. Check when the bottle where exchanged for the last time on the “gas bottle exchange record sheetâ€. + +* If the CO2 bottles have already been changed in the 48 h prior to the alarm, change the bottles and immediately contact the Facility Manager (LCSB-INF-01-A-01) +* If the last change was made more than 48h before, change the bottles and contact the duty call manager (see below) + +2. Replace the empty bottles in room S130 + +<div align="center"> +<img src="img/../p.5.2_img-1.jpg"> +</div> + +* Check the gas level on the manometer (5 on the picture). When empty, it displays 0 bar. +* Once the pair of bottles that need to be changed have been identified, close the network valve (3 on the picture) +* Close the bottles (1 on the picture) +* Open the purge valve (4 on the picture) to release the pressure remaining in the pipe connecting the bottles, then close back the purge valve +* Unscrew the tubing from the bottles by hand (2 on the picture) +* Move the empty bottles to the bottle rack, bring the new bottles and fasten the chains +* Connect the new bottles by screwing the tubing hand tight (2 on the picture) +* Open the gas bottles (1 on the picture) +* Check for leaks at the connection between the bottles and the tubing +* Open the purge valve (4 on the picture) for 2 seconds to fill the tubing with gas and remove the air, then close it back +* Open the network valve (3 on the picture) +* Check for any leak after connecting the bottle using the leak detector spray, an example is shown on the picture below + +<div align="center"> +<img src="img/../p.5.2_img-2.jpg" height="250"> +</div> + +4. Fill up the “gas bottle exchange record sheet†(LCSB-INF-01-A-03) on the door inside the gas deposit room. +A copy of this document is present in each gas deposit room. + +<div align="center"> +<img src="img/../p.5.2_img-3.jpg"> +</div> + +1. Notify the Facility Manager, the LCSB duty call manager and their backup by email and fill the [Duty call report form](https://ulsurvey.uni.lu/index.php/936567?lang=en) \ No newline at end of file -- GitLab