No equipment, materials or machines on the green at any point during construction
Efficient LED lighting in accordance with Australian Standards
End infills for weather protection
COLORBOND® half-round gutters and circular downpipes with connection to the stormwater system


Existing bowling green

42.9m x 44m

Interpon three-coat paint system for C3 medium corrosivity region in ‘Dune’

Mehler FR900, white PVC

Calliope Central Bowls Club

BRIEF Calliope Central Bowls Club came to Greenline with the vision of covering their green to provide year-round, day and night lawn bowls with a cyclone-proof membrane structure. The site was challenging with limited access around the green for large construction equipment, and a client preference for no access onto the green at any point during construction. Cyclonic wind conditions meant that the structure needed to be certified for extremely strong wind events.

OUTCOME Calliope Central Bowls Club will be the only one in the Gladstone region that will have a permanent roof. It allows competitions to be scheduled well in advance without the worry of weather. The club is building a strong focus on getting the local community involved with barefoot bowls and social events, so it is more than simply a bowling club – it is a local destination.
The curved roof structure was designed to withstand the massive loads from cyclones and was constructed from curved circular steel members and high-tech premium waterproof PVC membrane. The membrane offers 100% UVR block for a safe playing environment for all ages while allowing 9% natural light transmission to reduce the need for artificial lighting during the day. The structure has efficient LED lighting for evening events, and a PA system to extend the buildings public address into the area. The project was conducted with a unique methodology with zero access to the green at any point during construction.


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Greenline worked to our time line and delivered as per the spec. Their work was what was expected.

MBS PTY LTD - Mark Conroy

Friendly, professional communications and extensive help provided in the grant application process as well as excellent execution of the project.

Barnawartha Primary School - Bernadette Kelly

Extremely easy to deal with. Professional service. Very happy with the completed job.

Echuca East Primary School, Jodi Boal

I find engaging with Greenline completely professional. The customer service is exemplary and the three projects I have been involved in with Greenline gives me confidence in their communication, ability to meet deadlines and appease a customer, quality of work, competency in meeting regulations and OHS measures

I have great confidence in this team/company.

Wodonga Primary School - Damian Duncan - Principal

I have used Greenline for a number of years now as I have always found them to provide excellent customer service, great quality and reliability. Our most recent project was a covered walkway to provide extra shelter for our students.

From day one, the walkway was such a big hit, with so many students using it that we actually had to provide extra staff in the area for additional student supervision. Thank you Greenline.

Wyndham Central College - Bryan Wollard - Assistant Principal

From my first meeting with a Greenline representative I was very impressed with the professional presentation about the company.

The process relating to construction was very well explained with timelines, contractors details and

Overall, the finished product is absolutely great. It has exceeded all our expectations and is now a real asset for the school.

Greenline did a great job here and I would recommend them to any school wanting to develop a COLA.

Ardeer Primary School - Graham Miller - Principal

Greenline were a pleasure to deal with. Their communication was excellent and we are thrilled with the end product.

Mount Waverley Heights Primary School - Sharon Reiss-Stone - Principal

A huge thank you and congratulations to the team at Greenline for delivering BIG TIME our outdoor shade shelter. The shelter, which covers one of our outdoor basketball courts, gives our students a chance to play through all weather conditions and looks great. Their post project support has been fantastic with quick follow-ups and service to the school.

Croydon Hills Primary School - Christian Holdsworth - Principal

We found Greenline to be professional throughout our entire business relationship, from our initial communications through to the completion of our project. Their friendly, helpful advice was offered with constant consideration of our needs. Greenline were able to meet all deadlines with competency, completing our project with the highest quality of work.

Bundoora Primary School - Lee Pollard - Principal

Greenline were a professional and well organised company to work with. The finished product was of a high standard and met the school’s requirements.

Wiley Park Public School - logo

Wiley Park Public School - Rene Demos - Principal