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Do-It-Yourself (DIY) Question & Answer Forum
To bond or not to bond, that is the question
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<blockquote data-quote="Barx" data-source="post: 442865" data-attributes="member: 121"><p>Let me paint a picture....</p><p></p><p>An industrial estate with 10 - 15 small units of similar construction. Single storey, brick and block build with trapezoidal sheet roofs that round off front and back to give a top hat effect raising the roofline higher that brick courses.</p><p></p><p>Roof sheets supported by your standard galv steel purlin. Built about 20 years ago I'd say and all owned / let out by one company.</p><p></p><p>All the above is well out of reach!</p><p></p><p>Each unit has a single wooden door for foot access and a roller shutter door for goods in and out. Here is were it gets tricky. The guides (metal) for the roller shutter door are fixed to 2 of the purlins and then come down and bolt into the concrete pad (floor).</p><p></p><p>None of the units seem to have a bond to the roof / purlins. We took Mr NIC to one as an inspection job and he gave us a N/C for 1) not picking up that it wasn't bonded. Job was a EICR. His arguement was that the 'structural' steel was being transposed into reachable grounds by the roller shutter guides....</p><p></p><p>So, we inform the letting company who state that no other reports have ever mentioned it.</p><p></p><p>So, the big question is, does it need bonding???</p><p></p><p>If it does then lack of main bond is C2 and so an unsatisfactory report?</p><p></p><p>Discuss!</p></blockquote><p></p>
[QUOTE="Barx, post: 442865, member: 121"] Let me paint a picture.... An industrial estate with 10 - 15 small units of similar construction. Single storey, brick and block build with trapezoidal sheet roofs that round off front and back to give a top hat effect raising the roofline higher that brick courses. Roof sheets supported by your standard galv steel purlin. Built about 20 years ago I'd say and all owned / let out by one company. All the above is well out of reach! Each unit has a single wooden door for foot access and a roller shutter door for goods in and out. Here is were it gets tricky. The guides (metal) for the roller shutter door are fixed to 2 of the purlins and then come down and bolt into the concrete pad (floor). None of the units seem to have a bond to the roof / purlins. We took Mr NIC to one as an inspection job and he gave us a N/C for 1) not picking up that it wasn't bonded. Job was a EICR. His arguement was that the 'structural' steel was being transposed into reachable grounds by the roller shutter guides.... So, we inform the letting company who state that no other reports have ever mentioned it. So, the big question is, does it need bonding??? If it does then lack of main bond is C2 and so an unsatisfactory report? Discuss! [/QUOTE]
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Do-It-Yourself (DIY) Question & Answer Forum
To bond or not to bond, that is the question
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