13. A certificate of qualification in the certified trade is not required to be renewed. R.R.O. 1990, Reg. 1046, s. 13. SCHEDULE 1   CEMENT MASON Related Training  Item

Column 1

Column 2


 

Subject

Instruction to be Given


1

Mathematics

Arithmetical processes; lines, angles, areas, volumes, fractions, decimals, ratio, proportion, weights and measure, solution of formulas, equations and problems related to cement masonry work. 


2

Science

Physical and chemical properties and characteristics of materials, coarse and fine aggregate, cements, plastics, admixtures, mastics, surface hardeners and treatments, joint fillers, waterproofing; fundamentals of quality concrete; sampling, testing and evaluation of test results.


3

Drafting

Blueprint reading, sketching and fundamentals of architectural drawings.


4

Trade Theory

Layout and concrete construction, slab on grade and suspended; walls, roofs, bases, stairs, pavements, sidewalks, curbs, gutters, tanks, waterproofing, pointing and caulking, uses of composition materials and decorative applications. Shotcreting methods, pressure grouting methods. Characteristics, care and use of trade tools and equipment.


5

Industrial Economics

As related to the preparation, application, repair and maintenance; estimating from construction drawings and specifications; job organization and supervision.


6

Safety and Building Code

The Occupational Health and Safety Act, building codes relevant to the trade, safe practices. R.R.O. 1990, Reg. 1046, Sched. 1. SCHEDULE 2   CEMENT MASON Work Experience  Item

Column 1

Column 2


 

Subject

Work Instruction and Experience


1

Concrete Finishing

Total Hours 1,750


 

Job Layout and Planning

Checking granular base.


 

 

Checking formwork.


 

 

Checking or setting of formwork, screeds, bulkheads.


 

 

Checking location of steel reinforcing and mesh.


 

 

Checking location of fastening devices.


 

 

Preparation of concrete base to receive mono or separate toppings.


 

 

Checking levels, heating facilities and temporary lighting. Ordering materials.


 

Mixing, Placing, Curing and Protecting

Evaluating mix specifications.


 

 

Mixing concrete. Placing concrete.


 

 

Mixing and application of coloured hardeners.


 

 

Mixing and application of metallic and non-metallic surface hardeners.


 

 

Application of curing and sealing compounds. Placing and finishing concrete base.


 

 

Sampling and testing of concrete for quality control.


 

Finishing Concrete

Hand finishing using straight edge, darby, hand float, hand trowel. Edging and jointing. Power floating. Power trowelling. Power screeding. Power chipping and grinding. Sand blasting. Acid etching. Exposed aggregate finishing. Texturing and patterning exposed concrete with various form lining materials. Broom, burlap and belt finishing using portable and mobile power grinder. Using portable and mobile saws for cutting concrete. Using scarifying machines. Using power operated routers. Making construction and expansion joints. Maintenance of equipment.


 

Safety Requirements

The Occupational Health and Safety Act


 

 

Safe practices of the trade.


2

Waterproofing, Damp-Proofing and Restoration

Total Hours 1,214


 

Preparation

Removal of wires, wall ties, bolts and foreign material, lime, form oils from concrete walls and floors. Tracing sources of leakage. Preparation and application of hot plugs. Temporary form work, screeds and scaffolding. Removal of toppings and mortars on floors, walls or other surfaces and scarifying to receive new materials. Removal and reinstallation of bleed and drain system for waterproofing purposes. Preparation of walls, floors and other surfaces. Routing and raking of joints to receive grouting or pointing materials. Preparation of waterproofing material:


 

Application

Membrane materials.


 

 

Metallic waterproofing. Topping materials. Asphalt and other bituminous coatings, hot or cold, including reinforcing membrane and protective surface coatings. Clear and opaque weather-proofing and water repellent material on concrete or masonry. Waterproofing and weatherproofing material by hand, pneumatic or mechanical means.


 

 

Use of hot and cold joint sealants.


 

 

Care and use of shotcreting methods and equipment.


 

 

Care and use of pressure grouting methods and equipment.


 

Safety Requirements

The Occupational Health and Safety Act


 

 

Safe practices of the trade.


3

Rubbing-Up

Total Hours 1,350


 

Job Planning

Examination of surfaces.


 

 

Ordering and selection of materials.


 

Installation of Scaffolding Field Practices

Hanging scaffolding. Sheave blocks and tackle. Barricades. Rigid scaffolding.


 

 

Mixing of cement mortar.


 

 

Preparation of surfaces to receive cement-base materials including removal of form ties, nails and wires. Chipping, cleaning of foreign materials. Patching, pointing and caulking. Grinding. Brushing. Rubbing. Bush hammering. Power chipping and grinding. Sand blasting. Acid etching. Grouting and dry packing. Patching exposed aggregate surfaces. Curing and washing. Care and use of shotcreting methods and equipment. Care and use of pressure grouting methods and equipment.


 

Safety Requirements

The Occupational Health and Safety Act


 

 

Safety practices of the trade.


4

Architectural Precast and Cast in Situ Concrete

Total Hours 350 


 

Preparation and Finishing

Selection of materials. Screeding and finishing. Broadcasting of decorative chips in exposed concrete. Application and stripping of surface retardants. Bush hammering. Acid etching. Repairing of damaged precast concrete components.


 

Installation

Cleaning and trimming. Mixing grouting materials. Placing precast sections. Grouting. Pointing. Caulking. Cleaning.


 

Safety Requirements

The Occupational Health and Safety Act


 

 

Safety practices of the trade.


5

Composition Materials

Total hours 700


 

Job Planning

Examination of surfaces. 


 

 

Ordering of materials.


 

 

Establishing areas, lines and levels.


 

Preparation

Masking and protection. Preparation of existing or new surfaces to receive materials. Heating of materials. Mixing hot asphalt.


 

Application

Screeding and trowelling. Hot asphalt. Cold mastic. Magnesium oxychloride flooring. Plastic flooring, polyester, epoxy, polyurethane and rubber based. Finishing of hot asphalt, cold mastic and composition materials.


 

Safety Requirements

The Occupational Health and Safety Act


 

 

Safety practices of the trade. R.R.O. 1990, Reg. 1046, Sched. 2.