Aire & Calder Navigations Locks
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A Typical Aire & Calder Navigations Lock
Note the 'traffic lights'
Red - WAIT - lock keeper on duty
Green - enter the lock - lock keeper on duty
Amber - User Operation
A Typical Aire & Calder Lock Control Panel
(children and adults should wear buoyancy aids !)
See below for panel detail
A Typical Aire & Calder Lock Control Panel
Use British Waterways 'Watermate' (Yale) Key
Work from top to bottom:
Insert key - wait for 'lock ready' light to come on
Press 'open sluices' (sluices will lift automatically - in stages)
When 'water level' light comes on press & hold 'open gates' button
Allow boat to enter lock, then
press & hold 'close gates' button
When 'gates closed' light comes on press 'close sluices' button
When 'sluices closed' light comes on remove key
Repeat the above procedure at the 'other end' of the lock
An Aire & Calder hydraulic ground sluice
Will rise to open sluice & fall to close sluice (key operation as above)