CHAMBER RINGS 
Chamber rings (with steps) and cover slabs are stocked at both branches. 
Some useful information 
Stock Diameters  
900mm 
1050mm 
1200mm 
Others available to order 
Stock Cover slabs 
Sizes to suit rings with openings 
600x600mm 
675x675mm 
Steps & rungs 
Rung irons (double steps) are now supplied as standard except for 
900mm dia rings which now have no rungs to comply with current regulations. Rungs when fitted are 4 per metre (eg a 500mm ring will have 2 rungs etc)  
 
Depths available: 
250mm 
500mm 
750mm 
1000mm 
Approx Weight (Rings) 
900mm 490 Kgs/M 
1050mm 644 Kgs/M2 
1200mm 852 Kgs/M2 
Approx Weight (Slabs) 
900mm 163 Kgs/M2 
1050mm 253Kgs/M2 
1200mm 317 Kgs/M2