1) No, they try and do everything in one visit
2) Maybe, it depends
3) If it works then they aren't fussed, though if you are excavating the existing duct and laying new stuff then you might as well use the proper stuff - the most important thing is to avoid 90 degree bends and instead use sweeps
4) No but you could ask them to
Manufactured with a blown socket and a smooth, single-wall design, this BT Grey Ducting Rigid Socketed Pipe Length is tailored for telecommunications and po...
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Perfect for solid wall ducting solutions, this 54mm Grey Rigid Ducting Bend with a single socket is a popular choice for BT ducting and ideal for telecommun...
www.drainagesuperstore.co.uk