Search found 4 matches

by wongcna
Fri Nov 07, 2008 1:18 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Structural Calculations for Stair Trimmer and Padstone
Replies: 7
Views: 21059

Many thanks again your reply. I really appreciated. I did run some calculation over it. You are right, the Stairs Trimmer 2450mm we are talkingabout. General speaking, double joist should be sufficient but I put triple joists in. I assumed PL 200KG or 2KN from the stairs at the middle of span + UDL ...
by wongcna
Wed Nov 05, 2008 5:19 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Structural Calculations for Stair Trimmer and Padstone
Replies: 7
Views: 21059

[quote="eljaybee"]It all depends upon how the trimmer is loaded, if it supports the staircase then you should allow some loading onto the trimmer. Calculating a padstone is not the same as a concrete beam, it is all to do with the crush from the reaction load of the beam. You need to know ...
by wongcna
Wed Nov 05, 2008 12:02 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Structural Calculations for Stair Trimmer and Padstone
Replies: 7
Views: 21059

[quote="eljaybee"]Calculating a stair trimmer is done is the same manner as a beam, padstones are more complex, depends upon the loading, type of brick or block, etc. Easiest way - get an engineer to do them.[/quote] Hi, Many thanks for your reply. I am nearly finished the poject and I wou...
by wongcna
Tue Nov 04, 2008 10:43 pm
Forum: Building Regulations and Planning Permission Forum
Topic: Structural Calculations for Stair Trimmer and Padstone
Replies: 7
Views: 21059

Structural Calculations for Stair Trimmer and Padstone

Hi Greeting, I am currently working with a friend of builder on my house loft conversion. We are nearly finish the project. Unfortuately, we still haven't solved out the FULL Plan building reguations approval. We have submitted all the drawings, calucations and building control inspector said the bu...
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