Roof Mount Installation Guide
V1.3
Page 3 of 13
Please download the latest version of this document from
www.dpasolar.com.au/support
prior to commencing installation.
Under no circumstances shall DPA Solar be liable for special, indirect or consequential damages arising out of use of this product.
Planning
Wind regions
as defined by Australian Standard 1170 are as follows:
•
Most of Australia is designated Region A which indicates a Regional Ultimate Basic
Wind Velocity of 45m/sec.
•
Some areas are designated Region B (57m/sec). Local authorities will advise if this
applies in your area.
•
Region C areas (66m/sec) are generally referred to as Cyclonic and are generally limited
to northern coastal areas. Most Region C zones end 100km inland.
•
Region D (80m/sec) Australia's worst Cyclonic Region between Carnarvon and Pardoo
in Western Australia.
This document applies to installations in regions A, B & C at roof heights of up to 10m
(three storeys). Region D sites require individual analysis and design.