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How to specify a roof loading appraisal

What a competent appraisal has to establish, how to write the instruction so you get it, and how to read the answer you are given.

Engineering brief

What is in it.

  1. 01Why capacity and condition are separate questions, and what goes wrong when an instruction conflates them
  2. 02The five things an appraisal must establish before it can give you a number
  3. 03What to send with an enquiry, and what to do when no structural drawings exist
  4. 04Wind and snow: the load cases that decide most rooftop outcomes
  5. 05How to read a result that says no, and why that rarely ends the project
  6. 06Drone against walkover: when each is the right method, and when neither is
  7. 07A one-page instruction template you can send to any engineer
FormatPDF, A4
Length12 pages
CostFree
AudienceEstate and facilities managers, main contractors, solar developers and asset owners

We have delivered roof loading appraisals across around twenty commercial sites, including further education colleges, a theatre, a distillery, manufacturing and industrial premises, a football stadium and a hotel. This brief is what we wish every instruction had said at the outset.

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