Standard
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AS 4146:2024
[Current]Laundry practice
AS 4146:2024 provides requirements and recommendations for the safe handling, laundering, transporting and storage of clean and soiled textiles in commercial, industrial, hospital, institutional, on-premises and retail laundries
Published: 13/12/2024
Pages: 38
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 Overview of laundry work process
3 General provisions for laundries
3.1 Good laundry practice
3.2 Hand hygiene and personal protective equipment
3.3 Facilities
3.4 Laundry management system
3.5 Specific safety issues
4 Laundry transport and equipment
4.1 Transport vehicles
4.2 Mobile trolleys
4.3 Laundry bags, trolley liners and covers
4.4 Other types of transportation
5 Collection, loading, storage and sorting of soiled textiles
5.1 Preparation of soiled textiles for collection
5.2 Collection of soiled textiles
5.3 Unloading and storage of soiled textiles at laundry premises
5.4 Sorting of soiled textiles
6 Laundry wash and dry process
6.1 Specific laundering
6.2 Operating theatre textiles
6.3 Disinfection
6.3.1 General
6.3.2 Thermal
6.3.3 Chemical disinfection
6.4 Drying of cleaned textiles
7 Storage and packaging of cleaned textiles
7.1 Storage of cleaned textiles
7.2 Storage and packaging of cleaned textiles
7.3 Delivery of cleaned textiles
8 Performance evaluation
8.1 General
8.2 Performance indicators after single wash
8.3 Performance indicators after multiple washes
8.3.1 Degree of whiteness, intrinsic greying and intrinsic yellowing
8.3.2 Total wear
8.3.3 Incineration residue (ash)
9 Records
9.1 General
9.2 Wash formula records
9.3 Monitoring records
9.4 Test reports
Appendix A
A.1 Scope
A.2 Principle
A.3 Apparatus
A.4 Test specimens
A.4.1 EMPA Standard soiled test strips
A.5 Procedure
A.5.1 Laundering test specimens
A.5.2 Spectrophotometer or reflectometer value determinations
A.5.3 Calculation and expression of results
A.5.3.1 Degree of whiteness
A.5.3.2 Degree of intrinsic greying
A.5.3.3 Degree of intrinsic yellowing
A.5.3.4 Percentage soil removal
A.6 Report
Appendix B
B.1 Scope
B.2 Principle
B.3 Apparatus
B.4 Test specimens
B.4.1 General
B.4.2 Number and marking
B.4.3 Dimensions
B.4.4 Control test specimen
B.4.5 Laundered test specimens
B.5 Procedure
B.6 Report
Appendix C
C.1 Scope
C.2 Principle
C.3 Apparatus
C.4 Test specimens
C.4.1 General
C.4.2 Selection and preparation
C.4.3 Dimensions
C.5 Procedure
C.6 Report
Appendix D
D.1 Scope
D.2 Principle
D.3 Apparatus
D.4 Test specimens
D.4.1 General
D.4.2 Chemical wear test specimens
D.5 Procedure
D.6 Report
Appendix E
E.1 Scope
E.2 Principle
E.3 Apparatus
E.4 Test specimens
E.4.1 General
E.4.2 Number of test specimens
E.5 Procedure
E.6 Report
Appendix F
F.1 Scope
F.2 Continuous batch washer rope-up or blockage
F.2.1 Introduction
F.2.2 Operational principle continuous batch washer and associated risks
F.2.3 Prevention of continuous batch washer blockages or rope ups
F.3 Spontaneous combustion
F.3.1 Introduction
F.3.2 Spontaneous combustion principles
F.3.3 Fire mitigating considerations
F.4 Lint accumulation
F.4.1 Introduction
F.4.2 Mitigation processes
Bibliography
Cited references in this standard
[Current]
Surface active agents - Evaluation of certain effects of laundering - Methods of analysis and test for unsoiled cotton control cloth
[Current]
Surface active agents - Evaluation of certain effects of laundering - Methods of preparation and use of unsoiled cotton control cloth
[Current]
Methods of test for textiles, Method 3.6: Chemical tests — Determination of cuprammonium fluidity of cotton and cellulosic man-made fibres
[Current]
Methods of test for textiles, Method 2.3.1: Physical tests — Determination of maximum force and elongation at maximum force using the strip method
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