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  1. C

    Extension foundations?

    Can anyone tell me what is the minimum thickness for concrete footings for a ground floor kitchen extension.
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    Balanced header or not?

    Any opinions about the header or would the store act as a header?
  3. C

    hot water circulating pump

    Is it possible to put the return from the circulating pump into the cold water inlet on a megaflow (bronze pump)
  4. C

    schedule of test results

    My lighting circuits are on type b 6 amp mcb's on a 30ma rcd at the CU. Can't do an efli on those circuits as they trip. What do i put in the ELI column relating to those circuits. Can I just put a note in the remarks column that they are sensitive to the test.
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    Hip to Gable loft conversion

    Does anyone know how to calculate the volume for a hip to gable roof conversion. extending the ridge by 4.5m the height is 3.2m and front of eaves to the centre line (under the apex) is also 4.5m.
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    Gas pressure question

    Semi submerged gas meter supplying @ 50mbars. Let by tightness test all good but when I checked the inlet pressure at the appliance (Worcester Bosch 40 CDi conventional) I got 33mbar. Any thoughts? Ps there is a gas fire also which I haven't checked yet!!
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    Ideal mexico2

    I need a service/installation manual for an Ideal mexico 2. Can anyone help? 70rs
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    Wiring for 1 bed flat?

    45 amp cooker circuit, 30 amp kitchen ring main, 16 radial for the bedroom and one 6 amp lighting circuit. Need help on determining the size of cable needed to supply the CU. It's a house being turned into 5 flats. The present sparkies have run 10mm 3 core swa to the flats and into the consumer...
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    Meter bonding

    On a new boiler install with no bonding at the meter whose responsability is it to provide one. Also on a particularly difficult access to the main earthing terminal at the meter can an earth rod be used? ( all the way on the other side of the house... with wood floors and decorations everywhere)!
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    Earth stake?

    No bonding on a gas meter on the wall outside. Is it possible to earth it to an earth rod buried in the ground outside, adjacent to the meter, as the MET is other side of the house with hardwood floors and decorations everywhere so practically no chance of a cable run, at least not a pretty one!
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    Competent person?

    I hear people on this forum saying you dont have to be Corgi registered to work with gas, if it is in your own home, as long as you are "competent". Can anyone give a definitive legal description of competent to work with gas, own home or not. Thanks. Ps I am only interested in competent to...
  12. C

    Some photos, comments!!

    I thought they were interesting. Client was surprised when we refused to fit some new garden lights for him. http://s211.photobucket.com/albums/bb283/chicd4/
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    I would like to share a photo or two !

    Can anyone tell me how?
  14. C

    240 v light in shower room

    I would like to put a 240 v Mirror with a light in a shower room. The mirror will be above a sink and within 1.5metres of the shower which has a fixed outlet. Whole house is protected via a crabtree cu with 30m/A main RCD. Any advice would be appreciated
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    Rcd trip time

    Can anyone tell me if at 1x I delta n device trips in 31 ms @0 degrees and in 28.5 @ 180 degrees is significant. Seemed a bit quick to me!! RCD 30 m/a
  16. C

    March 2391 Exam

    Anyone know when the march 2007 results are due, Fed up waiting!!
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