🛠️ How do you make a dam built nearly 50 years ago even stronger? 🛠️ At North Pine Dam, the answer starts with more than 50 large-scale post-tensioned ground anchors – enormous steel cables, some more than 100 metres long, locked tight inside the concrete and rock foundation. These anchors work like massive bolts, gripping the dam wall and pulling it down into the foundation. When they're all in place, these anchors will add around 75,000 tonnes of stabilising force — roughly the weight of 30