2823 - Solar Installation Certification - 1 Darling Island Rd, Pyrmont, NSW 2009

Gamcorp (Melbourne) Pty Ltd A.C.N 141 076 904 A.B.N 73 015 060 240www.gamcorp.com.au [email protected] 4, 346 Ferntree Gully Rd, Notting Hill VIC 3168 Tel: 03 9543 2211 Fax: 03 9543 4046

Our Ref: 2823/K.Z29 November 2016

AGL Energy LimitedL22, 101 Miller StreetNorth Sydney, NSW, 2067Australia

Solar Array Installation Engineering Certificate

Gamcorp (Melbourne) Pty Ltd, being Structural Engineers within the meaning of Australian Building Regulations, have carried out an assessment for a solar array frame installation at 1 Darling Island Rd, Pyrmont, NSW 2009. The assessment has been completed based on site information and PV Layout provided by AGL Energy Limited.

The assessment is completed based on the Roof Steelwork Marking Plan issued by Taylor Thomson Whitting Pty Ltd on 25 Nov 2004. Job number 021641 B. Drawing number 5.2371 Revision 03.

We find the existing roof to be structurally adequate and compliant with:• AS/NZS 1170 – Structural Design Actions

◦ Part 0 – General Principles◦ Part 1 – Permanent Imposed and Other Actions◦ Part 2 – Wind Actions

• AS 4100 – Steel Structures• AS/NZS 4600 – Cold-formed Steel Structures

and is considered to be satisfactory for the proposed solar array installation when the followingconditions are met.

For a definition of the Zones in the roof area, please see Figure1.

The PV panel installation zone is illustrated in Figure2.

We find the proposed solar array frame installation to be structurally sufficient based on the following conditions:

• Wind Loads to AS/NZS 1170.2:2011 Amdt 3:2013 • Wind region A, Wind Terrain Category 1.5• Wind average recurrence interval of 500 years• Maximum average building height of 25 metres• Maximum roof pitch of 2 degrees • Steel purlins are Z25019 at 800 mm centres with 2 rows of bridging, lapped spanning

8.1m • Roof Sheeting is KlipLok 406• Panels to be installed flat to the roof • Maximum solar panel size is 1972mm × 992mm• Maximum weight of the PV panel and array frame to be 15 kg/m2

of 4ISO 9001:2008 Registered Firm

Certificate No: AU1222

2823 - Solar Installation Certification - 1 Darling Island Rd, Pyrmont, NSW 2009

http://www.gamcorp.com.au/


• PV panels to withstand up to 3150Pa uplift• PV Panels to be fixed using Clenergy KlipLok 406 roof clamps• PV panels to be installed using 3 rails minimum within internal zone (green zone in

Figure2)• PV panels to be installed using 4 rails minimum within intermediate zone (blue zone

in Figure2)• No PV panel to be installed within edge zone and corner zone• Rails to be Clenergy ECO rail• Non-penetrative clamps to be placed directly over the roof purlins at every

intersection of purlins and rails• Installation of solar array to be done in accordance with the PV installation manual • This certification excludes assessment of components of the array frame and PV panels

NOTES: • The assessment is based on the capacity of the roof structure and fixings to the roof,

not the array frame and PV panel. It is the responsibility of the installer to adopt the most critical spacing.

• If any of the above conditions cannot be met, the structural engineer must be notified immediately.

Figure1- Roof Zones Definition

In Figure1, a= 4.8m and a/2 = 2.4m.






Construction is to be carried out strictly in accordance with the instruction manual. This work was designed in accordance with the provisions of Australian Building Regulations and in accordance with sound, widely accepted engineering principles.

Yours faithfully,Gamcorp (Melbourne) Pty Ltd

Martin Gamble Mudi Ariyarathna Managing Director B.Eng(Civil)(Hons)Monash, M.Eng&Mgt, MIEAust, MAICD CPEng, NPER, RBP EC-39699, RPEQ- 15899






Figure2- PV Panel Installation Zone

In Figure2, no installation within 4.8m from roof corners and within 2.4m from roof edges. Installing using 3 rails in green zone and 4 rails in blue zone.





2823 - Solar Installation Certification - 1 Darling Island Rd, Pyrmont, NSW 2009

Documents

Transcript of 2823 - Solar Installation Certification - 1 Darling Island Rd, Pyrmont, NSW 2009