August 2021

Durability on breakwater

Established over 40 years ago, WA Limestone is a family-owned company with quarries strategically located all over the Perth Metropolitan Area. It is known as one of the biggest suppliers of road construction materials in Western Australia. The company’s director Steven Della Bona is no stranger to the quarrying industry. He has been instrumental in Limestone’s continued growth, which now encompasses the construction of sea walls and breakwaters among various other applications within the industry. He’s also a long-standing IQA member, former chairman of the IQA’s Western Australian branch and a former national IQA director.

The excavator will be involved in the heavy lifting of 650,000 tonnes of limestone and 300,000 tonnes of granite along the breakwater.


Recently, Della Bonna’s business took on the breakwater construction on the Ocean Reef Marina, near Joondalup, about 30km north of Perth. Work is scheduled to be complete by 2022. Commissioned by the WA Government, the two breakwaters will stretch for two kilometres. Each breakwater is up to 18.5 metres high from the ocean floor and includes 650,000 tonnes of
limestone and 300,000 tonnes of granite.



The ZX690LCH-5 is WA Limestone’s first-time purchase of a Hitachi excavator

...outstanding reliability with minimal down time.

The heavy lifting of such materials has been secured with the recent purchase of a Hitachi ZX690LCH-5 mid-sized excavator. Della Bonna said Hitachi machines are “renowned for their reliability, performance and fuel economy”.

The ZX690LCH-5 features an optimised hydraulic system and engine which assures Della Bonna the machine will not only run efficiently but maintain high durability – in spite of the harsh weather conditions it will be subjected to along the coastline.

Striving to meet customer satisfaction and go the extra mile, Della Bonna remarked that “so far the machine has had outstanding reliability with minimal down time. In particular, the operator
comfort and overall machine performance is second to none. We’re also enjoying the peace of mind the ConSite Oil technology has provided, allowing us to monitor the machine’s condition and operational performance in real time.

“I’m particularly impressed with the strength of the boom arm. It seems the Hitachi excavators are equipped with more steel in this area compared to other excavators which improves the overall
lifting capacity,” he added.

This is WA Limestone’s first purchase of a Hitachi machine. Della Bonna acknowledged the support of Hitachi Construction Machinery’s major accounts manager Steve Gunn. “He made it
very easy to access the information required and provided an honest timeline on machine delivery, so I could continue to meet the demands of the Breakwater construction project.”





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Engineered for the toughest conditions, the ZW370-6 delivers outstanding productivity, durability, and efficiency when it matters most. 

Learn more: https://hitachicm.com.au/product/wheel-loader-zw370-6/
We’re proud to hand over the keys to the brand-new ZX17U-5 & ZX55U-5 Mini Excavators to Jason and the team at Boodjar Corporation. 🎉 These compact powerhouses are ready to take on new challenges, driving precision and sustainability for upcoming projects.

Boodjar Corporation, an Indigenous-owned and operated business, is a leader in innovative directional drilling and utility installation, supporting industries across mining, energy, and civil construction. Their expertise spans over 45 years of combined experience, delivering efficient, cost-effective, and environmentally sustainable solutions.

Thank you for choosing Hitachi—here’s to a productive partnership ahead! 🙌
Happy Lunar New Year! 🐍
The Year of the Snake represents wisdom, agility, and transformation – qualities that drive us at Hitachi Construction Machinery Australia. 
Here’s to a year of growth, innovation, and success for all. Wishing you a prosperous 2025! 
#OrangeFamily 🍊 #HCA #Hitachi #YearOfTheSnake #LunarNewYear
🐕🦺 Shades on, Flags out! Happy Australia Day! 🦘☀️ 
#OrangeFamily #HCA #AustraliaDay #2025 #HitachiConstructionMachineryAustralia
🎉 New Year, New Machine!
A big thank you to MTS for kicking off the year with this incredible new ZX360LCH-5! This beauty is heading to its new home in the mid-west, ready to make a big impact. 💪

We’re grateful for your ongoing support and can’t wait to see what 2025 has in store for us together. Here’s to another successful year ahead!

 #OrangeFamily🍊 #HCA #ThankYou #NewYearNewGear #ConstructionExcellence #ZX360LCH5
Check out DB Civil’s latest addition to their fleet—a brand-new ZW160-7 wheel loader! This family-owned and operated business has over 20 years of experience in the construction industry, with Director Daniel leading the way. Having worked on major projects around Perth, Daniel brings a wealth of knowledge and a commitment to safety, pride, and continuous improvement on every job site.

Already running a ZX38U-5 and ZX135US-5, DB Civil’s newest purchase is sure to help them continue delivering top-quality results for clients across Perth and throughout Western Australia. Congratulations to Daniel and the entire @dbcivil.au team—we can’t wait to see what you achieve next! 💪

 #OrangeFamily🍊 #HCA #DBCivil #ZW1607 #ConstructionIndustry #PerthConstruction #WesternAustralia #SafetyFirst #QualityResults #FamilyOwned #ContinuousImprovement #BuildingWA
Engineered for the toughest conditions, the ZW370-6 delivers outstanding productivity, durability, and efficiency when it matters most. 

Learn more: https://hitachicm.com.au/product/wheel-loader-zw370-6/
We’re proud to hand over the keys to the brand-new ZX17U-5 & ZX55U-5 Mini Excavators to Jason and the team at Boodjar Corporation. 🎉 These compact powerhouses are ready to take on new challenges, driving precision and sustainability for upcoming projects.

Boodjar Corporation, an Indigenous-owned and operated business, is a leader in innovative directional drilling and utility installation, supporting industries across mining, energy, and civil construction. Their expertise spans over 45 years of combined experience, delivering efficient, cost-effective, and environmentally sustainable solutions.

Thank you for choosing Hitachi—here’s to a productive partnership ahead! 🙌
Happy Lunar New Year! 🐍
The Year of the Snake represents wisdom, agility, and transformation – qualities that drive us at Hitachi Construction Machinery Australia. 
Here’s to a year of growth, innovation, and success for all. Wishing you a prosperous 2025! 
#OrangeFamily 🍊 #HCA #Hitachi #YearOfTheSnake #LunarNewYear
🐕🦺 Shades on, Flags out! Happy Australia Day! 🦘☀️ 
#OrangeFamily #HCA #AustraliaDay #2025 #HitachiConstructionMachineryAustralia
🎉 New Year, New Machine!
A big thank you to MTS for kicking off the year with this incredible new ZX360LCH-5! This beauty is heading to its new home in the mid-west, ready to make a big impact. 💪

We’re grateful for your ongoing support and can’t wait to see what 2025 has in store for us together. Here’s to another successful year ahead!

 #OrangeFamily🍊 #HCA #ThankYou #NewYearNewGear #ConstructionExcellence #ZX360LCH5
Check out DB Civil’s latest addition to their fleet—a brand-new ZW160-7 wheel loader! This family-owned and operated business has over 20 years of experience in the construction industry, with Director Daniel leading the way. Having worked on major projects around Perth, Daniel brings a wealth of knowledge and a commitment to safety, pride, and continuous improvement on every job site.

Already running a ZX38U-5 and ZX135US-5, DB Civil’s newest purchase is sure to help them continue delivering top-quality results for clients across Perth and throughout Western Australia. Congratulations to Daniel and the entire @dbcivil.au team—we can’t wait to see what you achieve next! 💪

 #OrangeFamily🍊 #HCA #DBCivil #ZW1607 #ConstructionIndustry #PerthConstruction #WesternAustralia #SafetyFirst #QualityResults #FamilyOwned #ContinuousImprovement #BuildingWA

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