i have my plans passed but need calcalations for my roof. i have a hip roof and because i am extending out 2500mm i will have a flat roof.
any idea's
regards
terry
yes it will have a 2500mm square flat roof either of lead or fibreglass.
so they tell me that i need calculations for this roof, unless i use trusses, but if i do this then i will loose most of the axcess in the loft
regards
terry
You will need to show that the load points, particularly where the hip blade meets the horizontal flattie and any purlin ends and centres or indeed any other vulnerable locations, are adequately supported.
It may mean either building up existing internal walls through and into the loft as support or using steel beams and 100mm x 100mm wooden posts.
If the architect allowed for liaising with an engineer in his quote (which he should have by the sounds of it) then he should organize it although you'll still have to pay (the eng). I always allow for liaising with the eng in my quotes if it was to be expected. It should only take an hour or 2 for him to organize a quote you're happy with and then incorporate any amendments necessary into his drawings. Sounds like he's a knob! Another one giving architects a bad name.
The architect has given me a price for these calc's, from the engineer, but i think the price is too high.
What would you recon would be a ball park figure for these calc's?
terry
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