Delta Panels Pty.Ltd.   ABN: 11 147 861 292          A: 731 Boundary Road, Richlands, Qld 4077
P: +61 7 3271 2170     E: info@deltapanels.com    W: www.deltapanels.com    
Version Date: 
08.05.2023
3
ENGINEERING NOTES
GENERAL NOTES
The information contained in this Engineering manual relates specifically to products supplied by Delta 
Panels Pty Ltd™. Any products not approved by Delta Panels Pty Ltd™ will void Engineering Approvals 
and Warranties expressed or implied.
All assembly, connection and installation procedures must comply with the Delta Panels™ standards as 
set out in the Engineering & Construction Manual.
SITE SAFETY
It is the Builder/Owner’s responsibility to ensure that the structure that the Delta Residential Roofing is to 
be attached to is build in line with all relevant Building codes.
Prior to any footings being commenced it is the Builder/Owner’s responsibility to ensure that the footings 
will not impact on any existing underground services and facilities.
SERVICEABILITY LOADING
-  A serviceability deflection limit of span/150 has been allowed
-  The weight of the panel has been allowed for, in addition to an allowance of up to 25kgs/m2 (0,25kP  
   dead load) for light fittings etc.
-  Non-trafficable maintenance access, ie a concentrated load, of 140kg/m2 on any span has been  
    allowed for.
-  Distributed live load of 0.25kPa (as per AS/NZS 1170.1) has been allowed for.
STEEL COMPONENTS
All steel structural components of the Delta PanelsTM Residential Roofing systems are in accordance with 
these Australian Standards:
Delta Insulated Panel Top Skin	            AS 1397-2011
Delta Insulated Panel Bottom Skin 	
AS 1397-2011
FIXINGS
All fixing components of the Delta Panels™ Residential Roofing systems are in accordance with these 
Australian Standards
Bolts shall be grade 4.6 or better	
AS 1110.1-2015
Fixing Screws shall be class 3             AS 3566-2002
OVERHANGS
The maximum overhang is stated in the enclosed span tables or is 40% of backspan
Overhangs include an allowance for a 1.1kN concentrated load based on strength limit state as a 
seperate load case.

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