Kingscote Streets Upgrades - Kangaroo Island Council

8 Kerbing
This section of the specification details the requirements for supply and construction of kerbing.
Kerbing shall include the construction of upright kerb, median kerb, kerb and gutters, spoon drains,
edge strips, and property crossovers. This section shall be read in conjunction with the design
drawings.
8.1 General
This specification shall be read in conjunction with the following Standards and references, which
are deemed to form a part of this specification.
AS 2876
AS1428.4
AS 3600
AS 1379
AS3610
AS 1012
AS 3972
AS 4671
AS 2578.1
AS 3799
AS 1478
Concrete kerbs and channels (gutters) - Manually or machine placed
Design for access and mobility – tactile indicators
Concrete Structures
Specification and Supply of Concrete
Formwork for Concrete
Methods of testing Concrete
Portland and Blended Cements
Steel Reinforcing Materials
Aggregates and rock for engineering purposes – Concrete Aggregate
Liquid membrane forming curing compounds for concrete
Chemical admixtures for concrete, mortar and grout
8.2 Materials – Kerbing
8.2.1 Concrete
All concrete is to be ready mixed and delivered in agitating trucks in accordance with AS 1379 by the
batch production process, unless approved otherwise by the Superintendent.
The concrete for the various parts of the work shall be so designed and produced that the following
performance requirements are met:
Table 8.1
Concrete Design Criteria – Kerbing
Item f’c at 28 days Slump
Kerb and gutter, slip formed 20 MPa 40 mm
Kerb and gutter, hand formed 20 MPa 80 mm
Kerb ramps and pit aprons 20 MPa 80 mm
Spoon drains 32 MPa 80 mm
Unless otherwise specified all concrete shall have drying shrinkage test results to AS 1012 showing
a maximum (including tolerance) of 650 µm.
Ref No. 20120236SA1 Kingscote Streets Upgrades Technical Specification 38