Specifies the requirements for the cement mortar lining of pipelines in situ, by spray application. The lined pipelines are intended for the conveyance of wastewater or water intended for human consumption.
Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
4 MATERIALS
4.1 Aggregates
4.2 Cement
4.3 Water
4.4 Admixtures
4.5 Cement mortar
5 PROPORTIONING OF MATERIALS
5.1 Aggregate:cement ratio
5.2 Water:cement ratio
6 MEASUREMENT AND MIXING OF MATERIALS
7 PREPARATION OF PIPELINE SURFACES
8 APPLICATION OF MORTAR
8.1 General
8.2 Spray application
8.3 Hand application
9 TYPE TESTING HAND REPAIR MORTAR
9.1 General
9.2 Adhesion to steel and cured mortar
9.3 Water:cement ratio
10 THICKNESS OF LINING
11 SURFACE QUALITY AND WORKMANSHIP
11.1 General
11.2 Defects
11.3 Repairs
12 CURING
13 APPLICATION OF SEAL COAT
14 EFFECT OF CEMENT MORTAR LINING ON WATER QUALITY
