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tightness

In mathematics, tightness is a concept in measure theory. The intuitive idea is that a given collection of measures does not "escape to infinity".

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  1. I

    Tightness test lpg system?

    can somebody explain to me the reason why you have to do a tightness test then purge and then complete another tightness test on a lpg system rather than purging and then just doing one tightness test. How help will be much appreciated and so I get a better understanding. Thanks
  2. C

    Weird result on LPG tightness test

    New LPG installation with 2x 19kg cylinders outside, plus change-over regulator with isolator valve on output, then 10 metres of 15mm copper pipe (3 soldered joints only) running into house to the kitchen, to gas hob (with another isolator just prior to hob). System Failing tightness test...
  3. I

    method statement

    hi there, i have started my gas engineer course and so far really enjoying it, pipe bending and soldering are a little messy šŸ˜†but i got material to practice at home so hopfully neaten all that up. We have been asked to write a mission statement for tightness testing but the instructor hasnt...
  4. S

    Tightness testing on gas installations

    Hello. First of all Iā€™m new to this site. Iā€™m in the process of doing my apprenticeship, but now with the current circumstances we are not working. I have a couple of basic questions which no doubt will raise eyebrows, but every body starts somewhere. In tightness testing. Regarding permissible...
  5. H

    Tightness testing a boosted system

    Hi, first time poster here and hoping for some help. I work on sites across the UK with different non-domestic gas setups, I never have to deal with anything upstream of our particular equipment so no meters etc. Tightness testing involves just the pipework on our equipment which in total is...
  6. E

    0.5mb drop on tightness test - Should I be worried?

    Hi everyone, Just looking for some advice/reassurance. My boiler had its second annual service today and the (gas safe) engineer recorded a 0.5mb drop on the tightness test. He assured my partner that this was nothing to worry about but as I wasn't home at the time I just wanted reassurance...
  7. Christopher buzzard

    Kane tightness testing

    hey, new install. Vokera boiler, 1 rad and heat coil for a 6k Gallon koi carp pond. Had a seperate gas main ran to the log cabin plant room to feed the boiler with its own gas meter. He sorted everything and sourced boiler ect before I took on the job. Did a tightness test with my Kane. After 1...
  8. S

    Tightness Test Query

    Scenario: Service/Cp12. Tightness test, E6 meter with boiler and cooker. 1 mb drop found over 2 mins no smell of gas. Acceptable drop. Disconnected cooker, re-tested. 2 mins no drop. Would you turn cooker off? Or re-connect and just record the drop on the CP12 in the TT section.
  9. M

    Tightness test with FGA

    Hi guys came across a sticky situation today, just started using the fga for tightness tests so i can print them off (almost got stung by someone, thats another story). Let by test no probs, stabilisation also fine. Tightness test .40 mbar rise, hadnt worked on pipework so no heat ect, test...
  10. S

    medium pressure rig Tightness testing.

    Hi folks ex paramedic retraining with "logic" as gas engineer! need some advice on the physical procedure of tightness testing a medium pressure rig, got the concept i feel but physically doing the job im unsure. I know their rare but its a requirement and a personal competencey thing, any...
  11. S

    Help understanding a tightness test results.

    Hi I just want to start this post by saying I am not a gas engineer nor am I attempting to do any gas work. I recently had a new kitchen fitted which involved a new gas hob. After it it was fitted a month later I had a gas leak. The engineer from the gas company traced the leak back to the...
  12. jaydebruyne

    New Pipework and Tightness Test

    So I overheard a conversation today at a plumb centre and I wanted to know if it was true or not - it doesn't seem feasible to me but I'm new so what the hell do I know! Lol So the guy was saying, when you TT after you've amended or extended any domestic gas pipework, if the pipework is still...
  13. W

    Gas checks after repair?

    After work has been carried out on a gas leak ( new copper section inserted to line under concrete floor ) by a qualified gas engineer, when looking at paper work what safety checks should have been carried out?
  14. M

    Gas analysers?

    Hi all. I'm in the market to purchase my first analyser and I'm struggling to know what's best for me. With my last employer we used the Anton sprint v2 but I also like the Kane 455. What's puzzling me is whether I need all the kit that you can get with them. I.e sniffer, temp clamps and...
  15. P

    Tightness testing question..UP1B

    ladies and gents, as you will know UP1B gives guidance and procedure when carrying out tightness testing and the procedure covers the vast majority of domestic situations. Allowances are listed which correspond to leakage rates with the proviso that .."there is no smell of gas". The procedure...
  16. P

    Tightness testing question..UP1B

    deleted and reposted in GSR forum !!
  17. G

    Tightness test i showing its all gas tight but gas sniffer is beeping

    I've just fitted a gas job, I've used a female compression elbow and copper pipe, I've used jointing compound to seal the threaded joints, I've done a gas tightness test after it was finished, it doesn't move at all but when I place my kane gld 450 plus gas sniffer it's beeping quite alot with...
  18. B

    Let-by and tightness test on Anton evo3

    Hey all, I've just been having a play with the Let-by and tightness test feature on my evo3. Is there some special way to get the pressure to be 10 and 20mb? I cannot seem to get the correct reading. It's either slightly higher or lower.....
  19. G

    No ECV tightness test.

    How can you do a landlords inspection, complete a tigthness test and state 0 MB drop when the meter has no ECV? Scottish Gas can & have done so for last 3 years with no mention of any issue. Was at this Landlord job today. Old medium pressure rig converted to LP with no ECV. Only a slam shut...
  20. L

    powerflush and gas tightness with new boiler installation

    Hi all,ave few enquiries regarding new boiler installation with powerflush. Was advised that job would take two days, first day they will fit new boiler and second do the powerflush. Upon questioning why they`re not doing powerflush first was told central heating not going to be used so no...
    • lambchop81
    • Thread
    • boiler boiler installation central central heating system first gas installation new boiler oil powerflush tightness
    • Replies: 30
    • Forum: Plumbing Jobs | The Job-board
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