Terms & Conditions

Data Security

We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect.

All data is stored in secure electronic systems accessible only to Oasys staff with both valid network login credentials and specific authorisation to access the system.  Our systems further limit data access by role to ensure data is available only to those who have a specific need to see it.

If at any point you suspect or receive a suspicious communication from someone suggesting they work for Oasys or a website claiming to be affiliated with Oasys, please forward the communication to us or report the incident by email to [email protected] or in writing to Oasys, 8 Fitzroy Street, London, UK, W1T 4BJ as soon as possible.

Data Security Notice Updated 27th February 2020

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Website Terms and Conditions

The contents of this web site are protected by copyright and other intellectual property rights under international conventions. No copying of any words, images, graphic representations or other information contained in this web site is permitted without the prior written permission of the webmaster for this site.

Oasys accepts no responsibility for the content of any external site that links to or from this site.

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Software Licensing Terms

Terms and Conditions of Purchase

The full conditions of purchase and maintenance for all Oasys desktop software are set out in the Oasys Software Licence and Support Agreement.

The full conditions of purchase and maintenance for Oasys Gofer and Oasys Giraphe are set out in the Gofer SaaS Agreement  and the Giraphe SaaS agreement.

All prices are subject to TAX at the current rate.

Prices and specifications are subject to change without notice – please ask for a written quotation.

Although every care has been taken to ensure the accuracy of all information contained herein, the contents do not form or constitute a representation, warranty, or part of any contract.

Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.

Maintenance & Support Services

Support and maintenance is included with all subscription licences for their full duration.

Annual maintenance contracts are available for software under a perpetual licence, prices are based on a percentage of the most recent list price.

This service includes:


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Mamu Rainforest Walkway, Queensland, Australia

Software Used on this Project

Project Overview

The Mamu Rainforest Canopy Walkway is a unique tourist facility set on the edge of the Wooroonooran National Park, part of the World Heritage Wet Tropics of Far North Queensland, Australia. The project was sponsored by the Queensland Environmental Protection Agency. Arup were engaged to provide civil, structural, and environmental engineering services for the project.

The project boasts three feature structures; a 370 metre long elevated walkway through the rainforest, a 40 metre high canopy viewing tower, and an 8 metre long cantilever tower. In addition, the project has over 1km of ground level walkway through the rainforest, a bus and car park, a modern office, amenities and ticketing facilities, plus a number of shelters that form interpretative nodes.

How Oasys proved invaluable

Project Design – Feature Structures

The environmental conditions and physical constraints associated with the project site drove the decision to build the structures in hot-dipped galvanised steel, supported on reinforced concrete bored piers and pad footings.

The Arup engineers used GSA extensively in the design of the feature structures. Due to the geometric complexity of the structures, they developed a series of 3-D framework models within GSA to analyse distinct components of the elevated walkway including the main and cantilever towers and the link bridges.

For each of the models, GSA was used to evaluate member design to the ultimate (strength) limit state, and to predict the behaviour of the structures under the serviceability limit states. Cyclonic wind loading formed a significant design criterion for the structures. GSA enabled the design team to accurately model wind loads from a variety of directions, and to evaluate their effect on the structures.

GSA Model

Additionally, GSA output was used in the design of the footing systems for each of the feature structures. For each of the tower models, the software enabled the design team to determine the reactions at the base of each tower leg under the various combinations of permanent, imposed and wind load. They then used these to design an appropriate system of pad footings and bored piers for the feature structures.

In the case of the cantilever tower, GSA was used to evaluate the dynamic behaviour of the structure and to predict the natural frequency of the tower’s first and second modes of vibration. Normally the engineers would want to restrict the structural footfall vibration, but in this instance, the client wanted a “lively” structure to make using the walkway more exciting.


The use of GSA enabled the Arup design team to complete the structural analysis and design of the elevated walkway, main tower and cantilever tower with confidence and efficiency.

By using the advanced features of GSA, Arup were able to deliver a project that provides both client satisfaction and enhances the visitor’s rainforest experience.

The Mamu Rainforest Canopy Walkway

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