Independent checking of ground support and structural capacity of tunnel lining for the bored running tunnels forming the Riyadh Metro.
BANK STATION CAPACITY UPGRADE
Independent checking of all shafts and tunnels forming this new enlarged bored tunnel station complex, including both temporary and permanent works.
SANTIAGO METRO, CHILE
Independent review, audit and approval of local permanent and temporary SCL tunnel designs for stations and running tunnels.
GREEN PARK STEP-FREE ACCESS
Independent category III check of new elliptical lift shaft, lift lobby and connection tunnels formed from SCL.
SHIELDHALL TUNNEL, SCOTLAND
Gateway review and independent cost and programme estimates for Scotland’s largest waste water tunnel at 5km long and 4.7m in diameter.