GENERAL 825.01 SCOPE The work under this specification consists of the sandblasting of concrete surfaces. 825.02 REFERENCES Australian Standards, MAIN ROADS Western Australia Standards and MAIN ROADS Western Australia Test Methods are referred to in abbreviated form (e.g. AS 1234, MRS 67-08-43 or WA 123). For convenience, the full titles are given below: Australian Standards EPA Environmental Code of Practice Abrasive Blasting Works – Main Roads Specifications Specification 201 QUALITY SYSTEMS Specification 204 ENVIRONMENT 825.03 DEFINITIONS EXTENT OF SANDBLASTING The extent of sandblasting shall be as – shown on the Drawings. The suffix following the surface finish class “X” number signifies a sandblasted finish. Abrasion blast cleaning is identified as a SPECIAL PROCESS in Special Process accordance with Specification 201 QUALITY SYSTEMS . 825.04 825.05 NOT USED – PRODUCTS AND MATERIALS 825.06 ABRASIVE CLEANING AGENT Sand or grit for abrasive blast cleaning shall preferably be non-siliceous Silica Content (such as garnet), but if a siliceous sand is used it shall have a silica content of less than 5%. 825.07 WATER The Contractor shall arrange that a suitable supply of clean water is available at the works site. 825.08 825.25 NOT USED – OPERATIONS 825.26 PERSONNEL
GENERAL 825.01 SCOPE The work under this specification consists of the sandblasting of concrete surfaces. 825.02 REFERENCES Australian Standards, MAIN ROADS Western Australia Standards and MAIN ROADS Western Australia Test Methods are referred to in abbreviated form (e.g. AS 1234, MRS 67-08-43 or WA 123). For convenience, the full titles are given below: Australian Standards EPA Environmental Code of Practice – Abrasive Blasting Works Main Roads Specifications Specification 201 QUALITY SYSTEMS Specification 204 ENVIRONMENT 825.03 DEFINITIONS EXTENT OF SANDBLASTING – The extent of sandblasting shall be as shown on the Drawings. The suffix “X” following the surface finish class number signifies a sandblasted finish. Abrasion blast cleaning is identified as a SPECIAL PROCESS in accordance with Specification 201 QUALITY SYSTEMS . Special Process 825.04 – 825.05 NOT USED PRODUCTS AND MATERIALS 825.06 ABRASIVE CLEANING AGENT Sand or grit for abrasive blast cleaning shall preferably be non-siliceous (such as garnet), but if a siliceous sand is used it shall have a silica content of less than 5%. Silica Content 825.07 WATER The Contractor shall arrange that a suitable supply of clean water is available at the works site. 825.08 – 825.25 NOT USED OPERATIONS 825.26 PERSONNEL
Specification%20825%20%20Sandblasted%20Concrete%20Finish%2002%20May%202017.RCN-D17^23340014.DOCX