Civil Engineering August 2021 | Vol 29 No 7

What sustainability means to us At Keller, we are committed to better understand our contribution to sustainable development and work collaboratively with our customers and stakeholders to reduce potential impacts. 011 062 7600 | info.za@keller.com | www.keller-africa.co.za • Ground Improvement • Deep Foundations • Grouting • Earth Retention • Near Shore Marine Works Keller provides dedicated expertise in: Enabling low-impact, low carbon construction Building a better world