

How it works
Step 1:
Send us through your Site Classification, Building Plans, and invoicing details (either via the contact form or email at ryan.hofman@causeengineers.com).
Step 2:
We then email you an invoice for $500+GST, where you can either pay by credit card or bank transfer.
Step 3:
Within 24 hours of the payment clearing, we will email you the RPEQ Certified Sanitary Articulation Report for submission to Council.
Thats it! Simple!
If you have any questions, give Ryan a call on 0422065641 or send an email to ryan.hofman@causeengineers.com
CPEng
Chartered Civil Engineers Australia
ABOUT OUR SERVICE
We Provide 1 Business Day RPEQ Certified Sanitary Articulation Designs
Do you need a Sanitary Articulation Report to complete and comply with your Plumbing and Drainage Form 1? We can assist home owners, owner buildings, builders, plumbers and contractors across all projects.
If your new home or building is over soil Class M, H1, H2, E or P and needs a report to comply with PCA C2P7 and AS 3500.2, then Order Now, send through your Site Classification, and we will send you a Certified Articulation Design within 1 business day (or its free).

NER
National Engineering Register
RPEQ
Registered Professional Engineer of Queensland
Our Qualifications
"Highly recommend Cause Consulting Engineers. Excellent communication and prompt service. Will definitely use their services again when needed."
Kirstin Calder - Home Flat Hill
(Murrumba Downs)
"We had an outstanding experience working with Ryan on our onsite stormwater detention design. His technical expertise and attention to detail were exceptional, and the quality of his work was second to none.
What really stood out was his communication and customer service — he kept us informed every step of the way, was always approachable, and genuinely cared about delivering the best outcome for us. When we were under tight time pressure, he went above and beyond to provide a quick turnaround without compromising on quality.
His professionalism, helpfulness, and kindness made the entire process seamless and stress-free. It’s rare to find someone who combines such strong technical skill with genuine care for their clients. We couldn’t recommend Ryan at Cause Engineers more highly."
Iona Mackenzie
"Ryan was the ultra professional. I needed an articulation report quick smart for council and Ryan was straight onto it. Polite over the phone and he delivered what he said he would. Very thorough and fast service. I had the report the very next morning."
Tate Smith
(North Deep Creek)
“Speaking with Ryan over the phone, he made us feel very welcomed and put us at ease, with his professional advice and guidance. The report was completed in an amazing half day turn around, in which I cannot thank Ryan enough. Highly recommend Ryan's services to any customer.”
Richard Hughes
(Glenwood)
"We've engaged Ryan from Cause Engineers on multiple occasions to prepare Articulation Reports for our projects. Each time, he has demonstrated exceptional professionalism and reliability. Despite often working with tight deadlines, Ryan is always accommodating, responsive, and committed to delivering high-quality work. His support and expertise have been invaluable to our team, and we greatly appreciate his continued assistance. We would confidently recommend Ryan and Cause Engineers to others in the industry."
Morpro
(Tarragindi)
"Contacted Ryan initially by phone, in which he picked up straight away. The documents he needed were emailed out and a quote was sent within the hour. The articulation report was sent through later that evening. Highly recommend Cause Engineers, very easy to deal with and a prompt efficient service."
Adrian Horwood
(Nerang)
"I recently used Ryan from Cause Consulting Engineers to do up the articulation designs required for plumbing approvals on a project I am working on. I found his service very easy to work with and extremely prompt turnaround time. Very happy with the level of service/ professionalism displayed. Will certainly use again in the future."
Justin Cox
SANITARY ARTICULATION
Sanitary Articulation Drainage Design and Certification for All Projects
STORMWATER
Stormwater Design and Management Plans for Development Applications
OPERATIONAL WORKS
Operational Works Designs
for Council Applications
CONSTRUCTION CERTIFICATION
Certification of Foundations, Drainage, Plumbing and Earthworks















































