WILD OPTIMISM - Crossrail chief tells Building he is confident opening date will not be delayed / SHORT STAFFED -  lots of construction work in the pipeline but not enough people to do it / CANARY WHARF -  New man at the helm has residential-led vision for the future in Docklands  / IN BUISNESS -  McAlpine’s Paul Hamer aims to double civils and infrastructure work / COOL CHALLENGE - British Antarctic Survey’s base takes shape at the bottom of the world