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Our Team

Our staff include Structural, Civil and Geotechnical Engineers and technical support staff.

Nathan McLaren

Director

BEng (Hons), MIEAust, CPEng, NPER, RBP, RPEQ
Joined the practice in 1998 as a design engineer and since that time has worked on a variety of projects primarily as a Structural engineer. In 2009 purchased half the practice from Peter Yttrup and in 2016 became the sole director. Nathan is now involved in client relationships, design work and preparation of reports, particularly relating to damaged buildings.

Graduated in 1994 from the University of Ballarat with an Honours degree in Civil Engineering.

Jeff Andrews

Structural/Civil Engineer

BEng Civil (Hons 1), CPEng, MIEAust
Joined the practice in 1998 as a design engineer and since that time has worked on a variety of projects primarily as a Structural engineer. In 2009 purchased half the practice from Peter Yttrup and in 2016 became the sole director. Nathan is now involved in client relationships, design work and preparation of reports, particularly relating to damaged buildings.

Graduated in 1994 from the University of Ballarat with an Honours degree in Civil Engineering.

Brian Kirwan

Structural/Civil Engineer

BEng Civil (Hons)
Joined the practice in 2017 working as a project Structural and Civil engineer. Has over 10 years private industry and public-sector engineering and project/contract management experience, in both construction and manufacturing. Past projects include extensive residential construction as well as medium to large scale commercial and industrial, mixed use and high-rise developments, bridge and road construction, boating facilities, refurbishments and civil works, primarily in Australia but also in Ireland. Graduated in 2006 from the National University of Ireland, Galway with a first class honours degree in Civil Engineering.

Peter Yttrup

Founder

M.Eng(Sc), BE (Civil), DipCE, FIEAust
Founded P.J. Yttrup and Associates in 1981 following stints in construction and with State Rivers working on major dam projects and 8 years as a lecturer at Deakin University. Peter has particular interest in timber and geotechnical engineering with numerous published papers covering extensive topics. He was a pioneer in the design and testing of steel screw piles.

Rodney Heard

SDraftsman

Cert.Tech (Civil)
First joined the practice in 1985 as junior draftsman and has since worked in various roles including drafting, site investigations, supervision and laboratory testing. Has extensive experience in structural and civil drafting and is also a registered building practitioner.

Lorna Suzarte

Administration & Accounts

Diploma of Office Administration
Bachelor of Business
Lorna joined Yttrup in 2021 on a full-time basis. Responsible for all administration including payroll, invoicing and banking, reception and job management.

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Published Papers

A significant number of published technical papers have been prepared, primarily by Peter Yttrup, but also other staff members of the practice. Below is a list of published technical papers.

“Geological structural controls on stability of footwall slopes, an example from the Bowen Basin.” Developments in Engineering Geology – The Geological Society, London. Engineering Geology Special Publication, 27, pp 101-110 (2016)

“Real-time monitoring of cut slopes and the importance of identifying the mode of failure.” Proceedings of the Ninth Symposium on Field Measurements in Geomechanics, Australian Centre for Geomechanics, Perth, pp. 693-704 (2015)

“Residential Roof Truss and Footing System Interaction” in association with R Drew (2012)

“Ultimate Strength of Steel Screw Piles in Sand” in association with Mr. G. Abramsson – Australian Geomechanics March 2003, Vol 38, No 1, pp 17-27.

“Acoustic Emission as a Predictor of Failure During Proof Testing of Lumber” in association with Prof. P.E. Doe and Mr. A. Dohlmark – The 13th International Symposium on Nondestructuve Testing of Wood, California USA, August 2002.

“Landslide Stabilization using Screw-in-Soil Anchors in Heytesbury Marls” in association with Mr A S Miner, – 2nd International conference on Ground Improvement Techniques, October 1998, Singapore, pp 545-550

“Structural Application of Screw-in Piles and Anchors” – Australasian Structural Engineering Conference, Auckland, New Zealand, October 1998, Vol 2, pp 691-696

“Performance of Timber Beam Bridges in Tasmania, Australia” in association with Mr. G. Nolan – International Wood Engineering Conference, New Orleans USA (1996).

“Concrete Enhanced Timber” – International Wood Engineering Conference, New Orleans USA (1996).

“Large Span Plywood Box Beam Portal Frames” in association with Mr. T.D. Evans – International Wood Engineering Conference, New Orleans USA (1996).

“Design of Earth Masonry Walls for Lateral Loads and the Proposed Australian and New Zealand Earth Building Standard” – 4th Australasian Masonry Conference, University of Technology, Sydney (1995).

“Timber and Concrete Composite Bridge System, An Evaluation” – Austroads Bridges Conference, University of Melbourne (1994).

“Rating of Timber Beam Bridges” – Austroads Bridges Conference, University of Melbourne (1994).

“Non-Metal Building for Electromagnetic Radiation Research” – Pacific Timber Engineering Conference, Gold Coast, Australia. Vol. 1, P407. (1994).

“Draft Manual for the Load Capacity Assessment of Timber Beam Bridges” in association with Mr. P.W. Law and Mr. H. Audova – Proceedings of Timber Bridge Conference, University of Melbourne (1992).

“The Development of a Computer Model for a Corbelled Timber Beam Bridge” in association with Mr. T.D. Evans – Proceedings of Timber Bridge Conference, University of Melbourne (1992).

“Light Weight Buildings on Expansive Soils” in association with Mr. D.A. Cameron – Engineering Geology of Melbourne, Peck W.A., Neilson J. (ED). Balkema Publishers (1992).

“The Durability and Structural Performance of Timber Railway and Highway Bridges in Eastern Australia” – International Timber Conference, London (1991).

“The Mechanics of Timber Beam Bridges” in association with Mr. P.W. Law and Mr. H. Audova – Austroads Bridge Conference, Brisbane (1991).

“Analysis and Determination of Safe Working Load Limits for Timber Beam Bridges” in association with Mr. P.W. Law and Mr. H. Subramaniam – Austroads Bridge Conference, Brisbane (1991).

“The Testing of Old and New Timber Bridge Girder Elements” in association with Mr. P.W. Law, Mr. P. McTackett and Mr. A. McNaught – Austroads Bridge Conference, Brisbane (1991).

“Innovative Timber Structures” in association with Mr. P.W. Law – Innovation and Economics in Building Conference, Institute of Engineers, Australia, Brisbane (1991).

“The Scrimber International Buildings, Mount Gambier” – 2nd National Structural Engineering Conference, Institute of Engineers, Australia, Adelaide (1990).

“Epoxy Injected Bolts in Shear” in association with Mr. P.W. Law – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Small Diameter Piling System used in Australia” in association with Mr. D.A. Cameron and Mr. D.L. Stuart – International Conference on Piling and Deep Foundations, London (1989).

“Lattice Trusses, Architectural and Engineering Design” in association with Mr. G.J. Frencham – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“The Scrimber International Buildings, Mount Gambier” – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Small Diameter Timber Piles as used in Australia” in association with Mr. P.M. Juniper – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Steel Plate and Machine Driven Nails in Simple Connections” in association with Mr. S.T. Turner and Mr. T.D. Evans – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Using on-ground Assembly” – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Deflection Criteria for Timber Structures” in association with Mr. B. Hutchings – 2nd Pacific Timber Engineering Conference, Auckland (1989).

“Footing Systems for Small Scale Buildings – A New Era” in association with Mr. P.M. Juniper – Queensland Master Builders Association, International Conference, Australia (1988).

“Strength of Earth Masonry (Adobe) Walls Subjected to Lateral Wind Forces” – 7th International Brick Masonry Conference (1985).

“Small Diameter Timber Pile in Sand” – 4th Australian and New Zealand Conference, Perth (1984).

“Lateral Strength of Earth Walls” – 1st Local Government Engineering Conference, Adelaide (1981).

“An Experimental Study of the Phenomenon of Pipe Jacking” – 3rd Australian and New Zealand Geomechanics Conference, Wellington (1980).

“Strength and Stability of Earth Structures”, “Technique and Control in Earth Building” – University of New South Wales Graduate School of the Built Environment (1979).

“Some Architectural and Engineering Considerations in the use of a Plywood Folded-Plate Roof System” – Forum on Structural Application of Plywood, Institute of Engineers, Australia (1978).

Full copies of the papers are available using the Contact Us section of the site,
or email your request to admin@yttrup.com.