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21/30412766 DC BS 5911-6. Concrete pipes and ancillary concrete products - Part 6. Specification for road gullies and gully cover slabs, 2021
- 30412766.pdf
- BS 5911-6_2021_DPC.pdf [Go to Page]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 unit
- 3.2 type
- 3.3 gully
- 3.4 untrapped gully
- 3.5 trapped gully
- 3.6 gully cover slab
- 3.7 nominal size
- 3.8 nominal section
- 3.9 nominal depth
- 3.10 manufacturing dimension
- 3.11 actual dimension
- 3.12 cementitious content
- 3.13 inspection
- 3.14 routine inspection
- 3.15 continuous inspection
- 4 Symbols
- 5 General requirements [Go to Page]
- 5.1 Materials [Go to Page]
- 5.1.1 Cements
- 5.1.2 Aggregates
- 5.1.3 Admixtures
- 5.1.4 Additions
- 5.1.5 Mixing water
- 5.2 Concrete [Go to Page]
- 5.2.1 Concrete materials
- 5.2.2 Concrete quality
- 5.2.3 Water content of concrete
- 5.2.4 Types of cement
- 5.2.5 Cementitious content
- 5.2.6 Chloride content
- 5.2.7 Water absorption
- 5.3 Units [Go to Page]
- 5.3.1 General
- 5.3.2 Fabrication
- 5.3.3 Finish
- 5.3.4 Geometrical characteristics [Go to Page]
- 5.3.4.1 General
- 5.3.4.2 Nominal sizes
- 5.3.4.3 Dimensions and configuration of gullies
- 5.3.4.4 External manufacturing section and top flange
- 5.3.4.5 Gully outlet
- 5.3.4.6 Gully cover slab thickness
- 5.3.5 Watertightness
- 5.3.6 Serviceability
- 6 Test requirements for finished products
- 7 Conformity evaluation [Go to Page]
- 7.1 General
- 7.2 Product evaluation procedures [Go to Page]
- 7.2.1 General
- 7.2.2 Initial type testing
- 7.2.3 Factory production control
- 7.2.4 Further testing of samples taken at the factory
- 7.2.5 Tasks for a certification body
- 8 Marking
- Annex A (informative) Information to be supplied in an enquiry or order
- Annex B (normative) Dimensional tests [Go to Page]
- B.1 Internal section test [Go to Page]
- B.1.1 Principle
- B.1.2 Apparatus [Go to Page]
- B.1.2.1 Steel measuring tape or retractable pocket rule, conforming to BS 4484-1 with metric graduation and figuring conforming to BS 4484-1.
- B.1.3 Procedure
- B.1.4 Expression of results
- B.2 Internal depth and thickness of base test [Go to Page]
- B.2.1 Principle
- B.2.2 Apparatus [Go to Page]
- B.2.2.1 Cast iron or steel straightedge, conforming to BS 5204-2 and not less than 600 mm in length.
- B.2.2.2 Steel measuring tape or retractable pocket rule, conforming to BS 4484-1 with metric graduation and figuring conforming to BS 4484-1.
- B.2.3 Procedure
- B.2.4 Expression of results
- B.3 Thickness of cover slab test [Go to Page]
- B.3.1 Principle
- B.3.2 Apparatus [Go to Page]
- B.3.2.1 Steel measuring tape or retractable pocket rule, conforming to BS 4484-1 with metric graduation and figuring conforming to BS 4484-1.
- B.3.3 Procedure
- B.3.4 Expression of results
- Annex C (normative) Watertightness test [Go to Page]
- C.1 Principle
- C.2 Apparatus [Go to Page]
- C.2.1 Rigid frame, to secure the gully and facilitate inspection of all its surfaces, including the underside.
- C.2.2 Expanding stopper, to create a temporary watertight seal in the gully outlet.
- C.3 Procedure
- C.4 Expression of result
- Annex D (normative) Manufacturer’s quality assurance system [Go to Page]
- D.1 Organization [Go to Page]
- D.1.1 Responsibility and authority
- D.1.2 Management representative for factory production control
- D.1.3 Management review
- D.1.4 Factory documents
- D.2 Factory production control system
- D.3 Inspection and testing [Go to Page]
- D.3.1 General
- D.3.2 Inspection and test status
- D.3.3 Testing
- D.3.4 Inspection and test records
- D.3.5 Complaints
- D.4 Action required in the case of defectives [Go to Page]
- D.4.1 Unsatisfactory results
- D.4.2 Defectives
- D.4.3 Purchaser information
- D.5 Handling, storage, packing and delivery of units [Go to Page]
- D.5.1 General
- D.5.2 Handling
- D.5.3 Storage
- D.5.4 Packing and marking
- D.5.5 Traceability
- D.6 Training and personnel
- D.7 Materials, equipment and process control
- Annex E (normative) Sampling procedures for inspection of finished products
- Annex F (normative) Sampling procedures for continuous inspection of watertightness [Go to Page]
- F.1 Inspection rates and interpretation of results [Go to Page]
- F.1.1 Inspection rates
- F.1.2 Interpretation of results
- F.2 Operating of switching rules [Go to Page]
- F.2.1 Tightened to normal inspection
- F.2.2 Discontinuation of inspection
- F.2.3 Normal to reduced inspection
- F.2.4 Reduced to normal inspection
- F.2.5 Normal to tightened inspection
- F.3 Tightened, normal and reduced inspection [Go to Page]
- F.3.1 Tightened inspection
- F.3.2 Normal inspection
- F.3.3 Reduced inspection
- F.4 Acceptability determination [Go to Page]
- F.4.1 Inspection on the basis of individual assessments [Go to Page]
- F.4.1.1 Application
- F.4.1.2 Procedure
- F.4.1.3 Acceptance criteria
- Annex G (normative) Tasks for a product certification body [Go to Page]
- G.1 Initial inspection of factory and factory production control
- G.2 Evaluation and approval of initial type testing of units
- G.3 Periodic surveillance, evaluation and approval of factory production control
- G.4 Audit testing of samples taken at the factory
- G.5 Quality system [Go to Page]
