From: Quotation Calculation For Hours

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what ever your drinking i'll keep to Ovaltine .

I don't identify labour out separately, i have a points system as part of unit costing for devices, and extra points for longer or more difficult cable runs, with ease points when you have 3 detectors adjcent as in many houses

be daft to charge the same for a back door as one 100 yards down a factory as example, same distance in an office would likely not require an access tower, perhaps just a podium.

once you set up to your own format it is relatively simple tbh

Source: Quotation Calculation For Hours