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Guidelines on safe and efficient underpinning and mini piling operations. 3rd edition

ASUCplus, 2015
Guidelines on safe and efficient underpinning and mini piling operations. 3rd edition

Document Status



Core Supplement


Describes the minimum procedures followed during subsidence repair and similar types of construction work. Covers clients responsibilities, declarations, defects insurance guarantee, planning, records, environmental controls, National Heritage, pile cap or raft construction, mass concrete underpinning, concrete beam and base and jacking. Updated to reflect 2015 CDM regulations and industry feedback.


Withers, R., Kitching, D. and O'Connor, L.


Supersedes: Guidelines on safe and efficient underpinning and mini piling operations. (ASUCplus, 2009). First published as ASUC, 2003. Revised September 2009, October 2014 and March 2015. HS Guidelines.




Publisher History

Formerly known as the Association of Specialist Underpinning Contractors (ASUC). This independent trade association promotes professional and technical competence within the subsidence industry. Also includes specialist domestic services for underpinning and subsidence repair techniques, engineered foundation solutions and retrofit basement construction



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