Design and construction of two 100m long x 3 span bridges over the Mangawhero River, 250,000m³ of earthworks including 60,000m³ of rock excavation. Works also included the design and build of two reinforced earth retaining walls up to 12m high, 1.6km of pavement and associated...

The Waimakariri R501 Bridge had been undermined through scouring of the riverbed to such an extent that during the flood periods the bridge had to be closed to all traffic. The project required the strengthening of six piers to allow the bridge to remain open...

Design and construction of an 85m long network arch bridge with precast/insitu reinforced concrete deck over the Whangaheu River.  Works included construction of 0.9m diameter permanent cased abutment piles, supply and installation of structural steel, supply and install precast deck and insitu deck topping slab....

The contract involved the construction of new reinforced concrete piers, consisting of 10 bored piles with driven precast cap, and the dismantling of existing timber piers....

Design and construction of a 90m long arch bridge over an existing waterway. Works included insitu concrete abutments, 600 dia x 35m long bottom driven steel tube piles, new road realignment involving 1500m2 of pavement/seal, associated earthworks, drainage and significant traffic control....

Construction of a 146m long, 3 No x 46m spans, fabricated steel I beams c/w thermal metal arc spray, and a precast concrete deck. CSL offered the client a precast alternative to the insitu concrete deck, which shortened the construction period by 9 weeks....

Design and construction of a bridge for vehicular crossing of the Aorere River, to replace the previous bridge swept away in the 2010 flood. The bridge was a single lane concrete deck bridge with a 60m span through truss superstructure, including guardrails and approaches....