Lance Horlyck


Lance has over 40 years of structural engineering experience. Over the last 30 years, Lance has developed strategies for the assessment and repair of water and wastewater assets that are now considered industry benchmarks. His expertise in trenchless technology and rehabilitation assessment and planning are recognised nationally and he is routinely engaged to assist interstate water authorities with their more complex projects.


Shariff Shockair

Senior Engineer

Shariff has almost 20 years of civil engineering experience in the water and wastewater industry. He has been working with SASTTI JV since 2007 and has quickly become a main point of contact for condition assessment, confined space inspection and rehabilitation assessment and planing. Only in the middle stages of his career he is already recognised as an expert in the industry and will continue to shape Sydney's water and wastewater industry for years to come.


Bruce Horlyck

Senior Engineer

Bruce is a senior civil engineer with 40 years of experience in a diverse range of technical areas. His natural curiosity and background in a range of industries means that he constantly drawing from his experience in different spaces to come up with new or improved designs so that our clients get the most out of their assets. Bruce has been working with SASTTI JV since 2007 and has developed a reputation for his ability to come up with innovative solutions, particularly in the reservoir space.


Lachlan Horlyck


Lachlan is a civil engineer who has been responsible for the inspection, condition assessment  and rehabilitation design of some of Sydney's most critical water and wastewater infrastructure. He has also completed a number of complex structural designs.


His  favorite inspections remain sewer traverses, or as he likes to call it, the 'dirty' side of the business. 


David Mawer

Project Manager

David is a environmental scientist who has over 13 years of experience in the water and wastewater industry.


David is responsible for the coordinating the inspection of various assets. This often includes resolving any access constraints, coordinating inspection timing, preparing safety documentation and reporting.  


Abigail Colorado


Abigail provides administrative support to the engineers and makes sure all financial transactions, big and small, are accounted for accurately.


Nicholas Dahler

Undergraduate Engineer

Nicholas has joined us as an undergraduate engineer.


Bala Balasubramaniam


Bala has almost 50 years of experience in all aspects of sewerage, drainage and pipeline engineering works.


Over the last 30 years Bala has worked to implement trenchless projects both locally and internationally including Singapore, India and Sri Lanka.


Mick McGill

Project Director

Mick is a senior civil engineer with over 50 years of engineering experience in the planning and construction of water and wastewater infrastructure works. During his career Mick has worked with NSW Public Works, Shoalhaven City Council and BHP Billiton to assist them in their water supply and sewerage projects. For the past 20 years Mick has been working with SASTTI JV as a Project Director.


Jonah Petrie


Jonah is a civil engineer who recently rejoined SASTTI JV after working for a large contractor in infrastructure construction and transport asset management. Throughout his career he has completed a variety of complex infrastructure projects in a diverse range of disciplines which include wastewater, road tunnels and urban infrastructure.


Andrew Trappitt

Senior Draftsmen

Andrew is a senior draftsman with over 40 years of experience. His attention to detail and reliability in producing quality work make him an invaluable part of the SASTTI JV team. His experience with drafting designs over his extensive career means that he could be easily mistaken as another engineer. 


Abby Zhang


Abby is civil engineer who is quickly gaining experience and expertise in the structural design and condition assessment of various water and wastewater assets.


Daniel Tringali


Daniel is an engineer who joined SASTTI JV in 2017 as an undergraduate and has since progressed to a graduate engineer. He has worked primarily on the design of structural linings as well as completing complex analysis using the Finite Element Method (FEM).

Daniel also enjoys completing condition assessment works.


Gerard Atkins

Undergraduate Engineer

Gerard has joined us as an undergraduate engineer.