Code of practice for safety precautions in the construction of large diameter borehooles for piling and other purposes / 
British Standards Institution. 
 - 7 pages ;  30cm. 
 - British standard ;  BS 5573 : 1978 .
 - British standard ;  BS 5573 : 1978 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standards, Engineering  -- Great Britain.