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C30 Shoring/ facade retention

110 TERMS USED IN FAÇADE RETENTION
• Definitions: As CIRIA Report, C579, 'Retention of masonry façades - best practice
guide', Glossary and as follows:
- Façade: The masonry structures that are to be kept in place, including external
elevations, internal elevations and party walls listed as requiring support.
- Retention structure: The temporary façade retention structure.

120 RETENTION STRUCTURE GENERALLY
• Extent of façade: site specific.
• Nature of structure: site specific.
• Position of structure: site specific.

130 RAKING SHORESgenerally
• Structure: Contractor's choice.
• Foundations: Contractors choice.
• Kentledge: Contractor's choice.
• Connection to façade: Timber wall piece with cleats and needles at head of each
shore.

140 FLYING SHORESgenerally
• Structure: Contractor's choice.
• Connection to façade: Scaffold tube ties through openings with scaffold ledgers to
each face.
• Connection to existing supporting walls: Contractor's choice.

150 RETENTION STRUCTUREgenerally
• Structure: Contractor's choice.
• Foundations: Contractor's choice.
• Kentledge: Contractor's choice.
• Connection to façade: Scaffold tube ties through openings with scaffold ledgers to
each face.
• Connection to existing supporting walls: Contractor's choice.
• Other requirements: Protect structure from vehicle impact using steel safety barrier.

180 TEMPORARY WORKS CO-ORDINATOR
• Appoint: Suitably qualified and experienced person to co-ordinate the temporary
works.
• Responsibilities: To ensure that:
- Relevant features of the façade, whether known at the outset or discovered in
the course of the work, are fully considered in design and construction of
retention structure.
- Components of the design and detailing fit each other and the façade.
- Required actions are only undertaken when it is safe to do so, and are carried
out under supervision in accordance with design and relevant standards.
• Period of appointment: From commencement of Contract until Retention structure
has been dismantled.

RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01