Standard
Track updates
AS 4198:2022
[Current]Precast concrete access and maintenance chambers for sewerage applications
AS 4198:2022 describes performance requirements for circular precast concrete access and maintenance chambers systems including chamber materials, component manufacture and quality control. It also describes methods of sampling and testing of precast concrete components manufactured in accordance with the Standard
Published: 18/03/2022
Pages: 106
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 Component structure, manufacture and materials
2.1 General
2.2 Exposure classification
2.2.1 Exposure classification for internal environments
2.2.2 Exposure classification of the external environment
2.3 Concrete materials
2.3.1 Cementitious materials
2.3.1.1 Cement
2.3.1.2 Supplementary cementitious materials
2.3.2 Cementitious material for concrete
2.3.3 Aggregates
2.3.4 Water
2.3.5 Admixtures
2.3.6 Reinforcement
2.3.7 Synthetic fibres
2.3.8 Restrictions on chemical content
2.3.9 Minimum cementitious material content, maximum water / cementitious material ratio, and maximum water absorption value
2.3.10 Alternative concrete mixes
2.4 Cover to reinforcement
2.4.1 General
2.4.2 Cover to reinforcement for internal environment
2.4.3 Cover to reinforcement to the external environment
2.4.4 Cover to reinforcement for mating surfaces of joints between components
2.4.5 Additional concrete requirements for internal and external environments
2.5 Manufacturing processes, and concrete production, placement and curing
2.5.1 Manufacturing processes
2.5.1.1 Machine-made process
2.5.1.2 Standard wet cast process
2.5.1.3 Automated SCC cast process
2.5.2 Concrete batching
2.5.3 Concrete placing
2.5.4 Curing
2.5.4.1 General
2.5.4.2 Moist curing
2.5.4.3 Membrane curing
2.5.4.4 Accelerated curing
2.6 Concrete quality control testing
2.6.1 Machine-made concrete testing
2.6.2 Wet cast concrete and automated SCC cast concrete testing
2.6.2.1 General
2.6.2.2 Self-compacting concrete for automated SCC cast
2.7 Elastomeric seals
2.7.1 General
2.7.2 Mastic sealants
2.7.3 Other materials
3 Manufacture, workmanship and finish
3.1 General
3.2 Test loads for proof and ultimate load testing
3.2.1 General
3.2.2 Vertical load testing requirements
3.2.3 Horizontal load testing requirements (shaft components only)
3.3 Dimensions and tolerances
3.3.1 Internal diameter of shafts
3.3.2 Access cover clear opening sizes
3.4 Measurement of the dimensions
3.4.1 Straightness
3.4.2 Squareness of ends
3.4.3 Shaft diameter
3.4.4 Wall thickness
3.4.5 Effective length
3.4.6 Slab thickness
3.5 Workmanship and finish
3.5.1 General
3.5.2 Joints
3.5.3 Reinforcement
3.5.3.1 General
3.5.3.2 Fabrication
3.5.3.3 Splicing
3.5.4 Cover
3.5.5 Classification of defects
3.5.5.1 Reinforced components
3.5.5.2 Defect types
3.5.5.3 Acceptability of defects
3.5.5.4 Unreinforced components
3.5.5.5 Finishing and repairs
3.6 Marking
3.7 Handling and storage
3.7.1 General
3.7.2 Lifting inserts
3.7.3 Unreinforced access and maintenance chamber components
4 Step irons and ladders
4.1 General
4.2 Materials
4.3 Performance testing of installed step irons
4.4 Step-up and step-down limitations
4.4.1 Step-up
4.4.2 Step-down
5 Access covers and frames
5.1 General
5.2 Surface finish
5.3 Design of lifting keyholes
6 Sampling and testing of access and maintenance chamber components
6.1 General
6.1.1 Facilities for sampling and testing
6.1.2 Testing procedures
6.1.3 Testing
6.2 Type testing
6.2.1 General
6.2.2 Manufacture
6.2.3 Test specimens
6.3 Routine testing
6.3.1 General
6.3.2 Sampling
6.3.3 Testing
6.4 Test requirements
6.4.1 Ultimate load
6.4.2 Proof load
6.4.3 Cover to reinforcement
6.4.4 Water absorption
6.4.5 Hydrostatic testing of shafts and base units
6.4.6 Hydrostatic testing of joints
6.4.7 Vacuum testing of shafts and base units
6.4.8 Vacuum testing of joints
6.4.9 Hydrostatic testing of the base to pipe joints
6.4.10 Dimensional accuracy
6.4.11 Step irons
Appendix A
A.1 Scope
A.2 Terms and definitions
A.3 Type testing
A.3.1 General
A.3.2 A repeat of type testing
A.4 Routine testing
A.4.1 General
A.4.2 Retesting
A.4.3 Rejection after test
A.4.4 Repeated batch failures
A.5 Factory production control
A.5.1 General
A.5.2 Equipment
A.5.2.1 Testing
A.5.2.2 Manufacturing
A.5.3 Raw materials
A.5.4 Manufacturing control
A.5.5 Minimum sampling and testing frequency
Appendix B
B.1 General
B.2 Information to be supplied by the purchaser
B.3 Information to be supplied by the manufacturer
Appendix C
C.1 Scope
C.2 Application
C.3 Apparatus
C.3.1 Timber bearing blocks
C.3.2 Standard feeler gauges
C.3.3 Load testing equipment
C.4 Condition of test specimens
C.5 Positioning of test specimens
C.5.1 General
C.5.2 Concrete access covers and concrete surrounds
C.5.3 Makeup rings
C.5.4 Squat cones, straight-back tapers and conversion slabs
C.5.5 Shaft sections and precast bases
C.5.5.1 Vertical load tests
C.5.5.2 Horizontal load test for shaft components
C.5.6 Positioning of bearer blocks
C.6 Procedure
C.6.1 Application of test loads
C.6.2 Proof load test
C.6.3 Ultimate load test
C.7 Selection and measurement of crack width
C.8 Test record
Appendix D
D.1 Scope and general
D.2 Principle
D.3 Apparatus
D.3.1 Cutting tools
D.3.2 Cover meter
D.4 Condition of sample component
D.5 Test procedure
D.5.1 Direct method
D.5.1.1 Location of chases
D.5.1.2 Procedure
D.5.2 Indirect method
D.5.2.1 Calibration of meter
D.5.2.2 Procedure
D.6 Test records
D.6.1 General
D.6.2 Records
Appendix E
E.1 Scope
E.2 Principle
E.3 Apparatus
E.3.1 Drying oven
E.3.2 Thermometer
E.3.3 Balance
E.3.4 Desiccator
E.3.5 Urn
E.3.6 Ancillary items
E.4 Condition of sample components
E.5 Preparation of test specimen
E.6 Procedures
E.6.1 General
E.6.2 Procedures
E.6.2.1 Determination of dry mass (M1)
E.6.2.2 Immersion procedure
E.6.2.3 Determination of saturated surface-dry mass (M2)
E.7 Calculations
E.8 Test record
E.8.1 General
E.8.2 Records
Appendix F
F.1 Scope
F.2 Apparatus
F.2.1 Pressurizing equipment
F.2.2 End caps
F.2.3 Pressure indicator
F.3 Sample preparation
F.3.1 General
F.3.2 Positioning of shaft and end caps
F.3.3 Preparations for testing
F.4 Procedure
F.4.1 General
F.4.2 Failure of the shaft section
F.5 Test record
Appendix G
G.1 Scope
G.2 Principle
G.3 Apparatus
G.3.1 A hydrostatic steel test band
G.3.2 Pressurizing equipment
G.3.3 Pressure indicator
G.4 Assembly
G.5 Procedure
G.6 Test record
Appendix H
H.1 Scope and general
H.2 Principle
H.3 Apparatus
H.4 Procedure
H.5 Test record
Appendix I
I.1 Flowchart guide to determine exposure classification
Appendix J
J.1 Scope
J.2 Apparatus
J.2.1 Pressurizing (vacuum) equipment
J.2.2 End caps
J.2.3 Pressure indicator
J.3 Sample preparation
J.3.1 General
J.3.2 Positioning of shaft and end caps
J.4 Test procedure
J.4.1 General
J.4.2 Failure criteria — Failure of the shaft section
J.5 Test record
Appendix K
K.1 Scope
K.2 Apparatus
K.2.1 Pressurizing (vacuum) equipment
K.2.2 End caps
K.2.3 Pressure indicator
K.3 Sample preparation
K.3.1 General
K.3.2 Positioning of precast components and end caps
K.4 Procedure
K.4.1 General
K.4.2 Failure criteria/Failure of the shaft section
K.5 Test record
Appendix L
L.1 Scope
L.2 Principle
L.3 Materials
L.4 Apparatus
L.4.1 Pressurizing equipment
L.4.2 End caps
L.4.3 Pressure indicator
L.5 Preparation assembly
L.6 Sample preparation
L.6.1 General
L.6.2 Positioning of shaft and end caps
L.6.3 Preparations for testing
L.7 Test procedure
L.7.1 Pressurization and inspection
L.7.2 Pass or failure of the test
L.8 Test record
Appendix M
M.1 Scope of section
M.2 Excavation
M.3 Foundation preparation
M.4 Placing connecting pipework and backfill
M.5 Placing additional precast components and backfill
M.6 Compaction
M.7 Construction loads on components
M.8 Vacuum testing
Appendix N
N.1 Scope
N.2 General
N.3 Terms and definitions
N.4 Heat delivery
N.4.1 Heating points
N.4.2 Avoidance of overheating
N.4.3 Delay period
N.4.4 Rate of temperature rise
N.4.5 Maximum temperature
N.4.6 Curing Period
N.4.7 Removal of product from the curing environment
N.5 Records
N.6 Continuous curing chambers
Bibliography
Cited references in this standard
[Current]
Fixed platforms, walkways, stairways and ladders — Design, construction and installation
[Current]
Aggregates and rock for engineering purposes, Part 1: Concrete aggregates
[Current]
Supplementary cementitious materials, Part 2: Slag — Ground granulated blast-furnace
$154.94
AUD
Inclusive of GST
Available formats
Web Reader
Licence:
1 user
Total
$154.94
