1.0.1 This specification is formulated with a view to regulating the application of plastering by mortar spraying as well as achieving advanced technology, economy and rationality, safety and usability as well as quality reliability.
1.0.2 This specification is applicable to the construction of surface plastering by mortar spraying for wall cylinders, ceiling roofs, floors and general structures.
1.0.3 The construction of plastering by mortar spraying shall not only comply with the requirements stipulated in this specification, but also shall meet those in the relevant current ones of the nation.
1 General Provisions 1
2 Terms and Symbols 1
2.1 Terms 1
2.2 Symbols 2
3 Mechanical Equipment 2
3.1 Equipment Selection 2
3.2 Equipment Installation 4
4 Spraying Operation 4
4.1 General Regulations 5
4.2 Construction Preparation 5
4.3 Mortar Supplying 5
4.4 Mortar Pumping 6
4.5 Motor Spraying 6
4.6 Disposals after Spraying 7
5 Quality Checking and Inspection 7
5.1 Quality Requirements 7
5.2 Checking and Inspection 8
6 Wintertime Construction 8
6.1 General Requirements 8
6.2 Materials 8
6.3 Mechanical Equipment 9
6.4 Operation 9
7 Safety and Environment Protection 9
7.1 General Requirements 9
7.2 Spraying Operation 10
7.3 Mechanical Operation 10
Appendix A Diameter of Mortar Hose 11
Appendix B Spraying Distance and Angle 12
Explanation of Wording in This Specification 13
List of Quoted Standards 14
