In case of an emergency call 999. An ambulance can access the Downing hard via the Emmanuel hard. The address of Emmanuel Boat house is 1 Cutter Ferry Lane, CB4 1JR. If the Emmanuel gates are shut, the Downing Porters’ Lodge (01223 334800) has the combination code. Please notify the Downing Porters’ Lodge in the event of any such incident. There is a defibrillator in the tank room with operating instructions. The telephone numbers for Addenbrooke’s and the nearest GP surgery are posted on the wall in the tank room.