Last Updated: 2/21/2026
By accessing and using this Rock Bolt Design Calculator (the "Service"), you accept and agree to be bound by the terms and provisions of this agreement. If you do not agree to these Terms of Service, please do not use the Service.
The Service provides geotechnical engineering calculation tools based on Australian Standards (AS4678-2002, AS5100), including:
To access certain features of the Service, you must register for an account. You agree to:
You agree NOT to:
Software Ownership: The Service, including all content, features, functionality, software code, user interface, and design, is owned by Geotechnical Designs Australia and is protected by international copyright, trademark, and other intellectual property laws.
Australian Standards Methodology: This calculator implements design methodologies based on Australian Standards AS4678-2002 and AS5100. The mathematical methodology is used in accordance with established geotechnical engineering practice. Our proprietary implementation, software code, and user interface are our exclusive intellectual property.
Your Data: You retain ownership of all input data and calculation results you create using the Service. We may use anonymized, aggregated data for service improvement.
⚠️ ABSOLUTE DISCLAIMER OF WARRANTIES ⚠️
THE SERVICE IS PROVIDED STRICTLY "AS IS" AND "AS AVAILABLE" WITHOUT ANY WARRANTIES, REPRESENTATIONS, OR CONDITIONS OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE.
OUR TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS SHALL NOT EXCEED THE LESSER OF: (A) THE TOTAL AMOUNT YOU PAID TO US IN THE 12 MONTHS PRECEDING THE CLAIM, OR (B) AUD $100.00
You agree to defend, indemnify, and hold harmless our company, its officers, directors, employees, and agents from any claims, damages, liabilities, costs, and expenses (including reasonable attorneys' fees) arising from:
Governing Law: These Terms shall be governed by and construed in accordance with the laws of New South Wales, Australia, without regard to conflict of law principles.
Jurisdiction: You irrevocably submit to the exclusive jurisdiction of the courts of New South Wales, Australia, for the resolution of any disputes.
For questions about these Terms of Service, billing inquiries, technical support, or other matters, please contact us:
Geotechnical Designs
ABN: 13 226 437 932
Email: [email protected]
Phone: +61 452 075 310
Address: Sydney, NSW 2000, Australia
Business Hours: Monday to Friday, 9:00 AM - 5:00 PM AEST (excluding public holidays)