Services offered include:

Design Calculations:

  • Wind loading and fixing requirements

Wind load calculations carried out in accordance with the requirements of NA to BS EN 1991-1-4:2005 + A1:2010 the UK National Annex to Eurocode 1 – Actions on structures Part 1-4:                                                                     

Fixings numbers can be calculated for mechanically fixed flat roof systems profiled sheeting & cladding and composite panels.
  • Roof drainage and gutter design

Drainage calculations are carried out in accordance with the requirements of BS EN 12056 -3:2000 Gravity drainage systems inside buildings - Part 3: Roof drainage layout and calculation for eaves, parapet, valley gutters and flat roofs.

  • U value and thermal bridging to comply with Part L

The calculations are being carried out using finite element analysis computer program HEAT2 & Heat 3.  These programs are fully compatible with BS EN ISO 10211-1:1996 Thermal bridging in building construction - Heat flows and surface temperatures Part 1. General calculation methods and so meets the requirements of Approved document L

  • Condensation risk analysis

The calculations were carried out using industry recognised software JPA Designer from JPA Technical in accordance with BS 5250:2011 Code of practice for control of condensation in buildings. The equations used are from BS EN ISO 13788:2002 Hygrothermal performance of building components and building elements. Internal surface temperature to avoid critical surface humidity and interstitial condensation.

  • Snow loading

Snow Load calculations are carried out in accordance with the recommendations of BS EN 1991-1-3:2003 Eurocode 1. Actions on structures. General actions. Snow loads

  • Light gauges steel and aluminium  structural supports

Section properties and spans calculated in accordance with BS EN 1993-1-3:2006 Design of steel structures. General rules. Supplementary rules for cold-formed members and sheeting and BS EN1999-1-1:2007 Eurocode 9: Design of aluminium structures —Part 1-1: General structural rules