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E05 In situ concrete construction generally

220 DESIGN OF STRUCTURAL CONCRETE
• Standards:
- Design: To BS 8110-1 and -2 and BS EN 1992-1-1.
- Drawings: To BS EN ISO 4157-1.
- Reinforcement schedules: To BS 8666.
• Finished product: To comply with the requirements of design standard.

290 ACCURACY OF CONSTRUCTION
• Reference system: To BS 5964-1
• Element shape and position: To Section 7 of the 'National Structural Concrete
Specification for Building Construction'.
- Substitution of alternative requirements: None.

300 LEVELS OF STRUCTURAL CONCRETE FLOORS
• Tolerances (maximum):
• Level of floor: ±10 mm as measured from nearest temporary bench mark.
• Steps in floor level: ±5 mm.

310 SURFACE REGULARITY OF CONCRETE FLOORS TO BS 8204 - GENERAL
• Standard: To BS 8204-1 or -2.
• Measurement: From underside of a 2 m straightedge (between points of contact)
placed anywhere on surface and using a slip gauge.

315 SURFACE REGULARITY OF CONCRETE FLOORS TO BS 8204 - TOLERANCE CLASS SR2
• Location: When class is not otherwise specified.
• Abrupt changes: Not permitted.

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