Detailed Engineering design for Anode # 6 exhaust flue arrangement. Included changes in preliminary design due to new process information and calculations of gas volume, temperature and composition. Successful design for a retrofit situation.

Falconbridge Limited, Falconbridge, Ontario.
Preliminary engineering study and cost estimate for improvements in the matte-tapping fume control system. Travelling sidedraft hood with launder cover proposed to reduce worker exposure to cadmium. Detailed engineering to implement proposed solution. Videosampling to measure performance of installed controls.

INCO, Copper Cliff, Ontario.
Preliminary engineering study and cost estimate for replacement and upgrade of off gas system for #3 and #5 converters.

Rouge Steel, Dearborn, Michigan.

1-Detailed engineering to improve fume control from ladle refining furnace # 1. Modifications to furnace roof and offtake ducting. Addition of dilution air damper and controls.
2-Troubleshooting study for EAF melt-shop fume control system.

Richards Bay Minerals, South Africa

. 1-Environmental Audit of all fume, dust and spillage control systems (40). Based on field inspection, measurements and discussions with operating, maintenance and monitoring personnel. Listed deficiencies and reviewed findings with senior management. Recommendations and schedule for remedial measures.
2-Air Emission Control Systems computerized performance monitoring preliminary engineering study and cost estimate. Char plant dust and spillage control upgrade. Preliminary engineering study. Sidedraft hood for iron launder. Detailed engineering. Consultant to Hatch at request of client.

Teck Corporation/Cambior/Niobec, Saint-Honore, Quebec.

Innovative Dry Fume Collection System developed for high temperature (2400°C) chemical process. This included a novel hood design to control baghouse heat loading without water spray and minimum dillution of air. Modular design of the hood significantly reduced maintenance costs and downtime. Project completed on time and within budget.

QIT- Fer et Titane Inc., Sorel, Quebec.

Kress carrier iron residue ladle damping fume control study and full scale prototype for pelletization process, installed and tested.

Republic Engineered Steel Inc., Canton, Ohio.

Fume control system design for leaded steel pouring, water-cooled duct layout, furnace fume system analysis VideoSampling used in design and before/after testing. Grinding, dust/fume control system design, engineering and testing.

Lukens Steel, Coatesville, Pennsylvania.

Feasibility study for EAF fume control system modification and capital cost estimate. Efficiency studies for Furnace "D" to increase furnace and fume system capacities, while minimizing power consumption and operating costs. Included were development of a computerized model for furnace and fume system simulation and a controlled combustion system for the furnace off-gases. Project manager for design and detailed engineering of major fume system modifications on Electric Arc Furnace "D".

Sidbec-Dosco Limited, Contrecoeur, Quebec.

Direct fume evacuation system on two 100 ton electric arc furnaces, 300,000 CFM water-cooled ducting, radiant cooler and canopy hood.

Falconbridge, Onaping, Ontario

Engineering study for dust & spillage control and ventilation improvements in the crushing plant. Conceptual design to address increases in production rate, changes in layout, new material handling equipment and normal wear and tear. Concept was able to retain existing fans and dust collectors in a new balanced ducting system.

Procter & Gamble, Mexico City.

Redesign of dust control systems in a detergent plant. Evaluation of peak worker exposure by Videosampling.

Richards Bay Minerals, South Africa.

Consultant to Richards Bay Minerals to coordinate "Hatch Associates Ltd. Toronto", Environmental/Ventilation Design for Million Tonne Expansion Project.

RBM/LTA Process Engineering Ltd., South Africa.

Design of largest Dust Control System in the world (approximately 350 exhaust points) for new Dry Mill. Design of dust control system for Zircon Upgrade Plant.

Republic Engineered Steel Inc., Canton, Ohio.

Ventilation study for baghouse system upgrade for the grit blasting operations. Baghouse dust unloading system including; dust control, automated truck loading station, and truck scale. Troubleshooting operations on 2.7 million CFM baghouse.

Noranda Sampling Inc., East Providence, Rhode Island.

Special design for a Noranda Sampler Dust Control System.

SCM Chemical, Ashtabula, Ohio.

Design of titanium dioxide dust control system. Evaluated the effect of source strength and work practices on dust exposure levels with Videosampling.

Wyman-Gordon Co., North Grafton, Massachusetts.

Engineering and preparation of project documents for two major ventilation systems in the Process Building and dust collection specifications and selection. Various hood designs.

Brampton Brick Ltd., Brampton, Ontario.

Design of dust control systems at existing and new plants and provision for on-going general consulting services. Preliminary design and conceptual drawings for clay storage.

Seaway Terminals, Hamilton, Ontario.

Design of dust control system for explosive dust generated during material handling in the storage building.

Metal Koting Limited, Rexdale, Ontario.

Feasibility study to improve mist control on a galvanizing line.

Republic Engineered Steel Inc., Canton, Ohio.

Pickling line pollution control system design and cost estimate.

Sternson Ltd., Brantford, Ontario.

Ventilation system measurements and design for the control of acid mist from a chemical process.

F.S. Tools, Ltd., Scarborough, Ontario.

Design of ventilation system to capture oil mist containing cobalt dust. Two stage separation to reclaim cutting oil.

Noranda Sampling Inc., East Providence, Rhode Island.

Scrap shredding, conveying, milling and sampling for precious metal contents. Special design for a Noranda Sampler Material Handling System.

Richards Bay Minerals, South Africa.
Improve existing material handling systems to accommodate new throughputs and to minimize spillage. Special material handling for mineral separation of rutile and zircon involving various belt conveyors, vibrator conveyors, bucket elevators, drag conveyors, magnetic separators, high tensity electrostatic separators, scavengers, etc.

Brampton Brick Ltd., Brampton, Ontario.

Systems design at existing and new plants. Preliminary design and conceptual drawings for clay storage.

Falconbridge, Onaping, Ontario.

Engineering study for dust & spillage control and ventilation improvements in the crushing plant. Conceptual design to address increases in production rate, changes in layout, new material handling equipment and normal wear and tear.

Asbestos Control

Regional Municipality of Hamilton-Wentworth and the City of Hamilton, Ontario.

Design and coordination of an asbestos management program involving hundreds of buildings and more than 10,000 employees. Assessment of asbestos containing building materials, training of employees, and supervision of remedial work.

Ministry of the Attorney General/Ontario Realty Corporation.

Independent consulting services for asbestos abatement project at the Hamilton Courthouse. Due to the presence of asbestos contamination in occupied areas, the courthouse was ordered closed by the Ministry of Labour. Acted as technical advisor to the Region of Hamilton-Wentworth, Regional Police, Ministry of the Attorney general, Ontario Realty Corporation and Effort Trust (the owner). Provided information for an appeal heard by the Ontario Labour Relations Board.

Northumberland & Clarington Board of Education, Cobourg, Ontario.

1-Consulting services related to the closing of a school by the Ministry of Labour. Specifications for cleanup, inspection, and clearance air sampling. Extensive asbestos awareness sessions with teachers and parents. Indoor air quality surveys at two schools. Asbestos location surveys at several high schools.
2-Asbestos Management Program at the Bowmanville High School. Analysis, cost estimate & supervision of remedial work.

Peel Board of Education, Mississauga, Ontario.

Asbestos survey at eight schools. Detailed, updated surveys were required as part of the Energy/Air Quality Pilot project undertaken at these schools. (see Energy Management)

Dufferin-Peel Roman Catholic Separate School Board, Mississauga, Ontario.

Asbestos Management Program at various schools.

Toronto Board of Education, Ontario.

Design and supervision of complete asbestos training program for maintenance staff including video presentation. Indoor air quality surveys at two secondary schools, and recommendations for corrective action.Ventilation survey and system design at a technical school.

Lever Brothers, Toronto, Ontario.

Location survey and analysis of asbestos-containing building materials in the warehouse. Supervision of asbestos removal.

Southam-Murray Limited, Toronto, Ontario.

Supervised asbestos removal and decommissioning of printing plant.

Asbestos Institutue, Montreal, Quebec.

Preparation of a training video based on VideoSampling of worker exposure during the handling of mineral fibre.

Health & Safety

General Motors, Oshawa, Ontario.

Evaluated the performance of an isocyanate monitor and the characteristics of the chemicals used in the RIM department for molding urelthane bumpers. Results videotaped and edited for use in health & safety training for employees.

Kimberly Clark Paper Mill, St. Catherines, Ontario.

Conduct Industrial Hygiene/Health & Safety Audit as part of overall Environmental Audit. Identify conditions or practices which may present an occupational risk liability or failure to comply with applicable laws, regulations & guidelines.

National Steel Car, Hamilton, Ontario.

Manufacturer of rail cars. Investigation into exposure of painters to chemicals causing allergic reactions. Recommendations given for improving the ventilation and personal protective equipment in the rail car paint shop.

Ciba-Geigy Canada Ltd., Cambridge, Ontario.

Comprehensive industrial hygiene survey and air monitoring program for a large pesticide formulation plant.

Davidson Instrument Panel Ltd., Port Hope, Ontario.

Evaluation of exposure to toluene diisocyanate and respirable fumes. Testing of current work practices and ventilation performance using R&R Videosampling technique.

Dorr-Oliver Ltd., Orillia, Ontario.

Evaluation of exposure to a variety of fume, dust and vapors in a foundry--coal tar, pitch volatiles, isocyanates, silica, metal oxides. Tested the performance of existing fume and dust control systems.

Dupont Canada Ltd., Whitby, Ontario.

Evaluation of exposure to respirable aerosol (carbon black) during maintenance.

Metal Koting Ltd., Rexdale, Ontario.

Comprehensive industrial hygiene survey and air monitoring program for a large metal treating and coating plant. Exposure to solvents, isocyanates and acid mist. R&R Videosampling techniques used to test work practices and ventilation performance. Provided ventilation design for improved capture of solvent vapour.

Regional Municipality of Hamilton - Wentworth, Ontario.

Comprehensive industrial hygiene survey, designated substance assessments and Air monitoring program for a large sewage treatment plant.

Ball Packaging Products Canada Inc. Rexdale, Ontario.

Evaluation of exposure to solvents, n-hexane and toluene. Tested performance of ventilation system for solvent vapor control using the VideoSampling technique.

Indoor Air Quality

Metro Separate School Board, Toronto, Ontario.
Investigation of indoor air quality at a school which was evacuated over concerns about air quality. Recommendations were made to improve the humidification system and increase heating coil capacity to allow an increase in fresh air supply.

Etobicoke Board of Education, Ontario.
Evaluation of ventilation deficiencies resulting from a high school renovation. Recommendations for corrective measures. Evaluation of indoor air quality at a senior public school. Recommendations for clean up of microbial contamination.

East York Board of Education, Ontario.
Indoor air quality survey at a public school. Installation of a heat-recovery ventilator to supply fresh air to a classroom. Installation of a central fresh air supply system to supply fresh air to 11 other rooms.

Dufferin-Peel Roman Catholic Separate School Board, Ontario.
Measurement and review of indoor air quality in portable classrooms. Expert witness regarding appeal of indoor air quality orders from the Ministry of Labour.

Niagara South Board of Education, Welland, Ontario.
Indoor air quality surveys at two schools, and recommendations for corrective action.

Peel Board of Education, Mississauga, Ontario.
Specifications for installation of an energy management system and other ventilation system improvements at a large secondary school in order to resolve both indoor air quality problems and reduce energy consumption. Indoor air quality surveys and testing of ventilation systems in 36 schools with air quality problems.Indoor air quality surveys in 7 other schools with air quality problems. Expert witness regarding appeal of indoor air quality orders from the Ministry of Labour. Investigation of carbon monoxide poisoning at a senior public school where over 100 people were hospitalized.

Hamilton Entertainment Center, Hamilton, Ontario.
Investigated complaints of poor air quality in offices; complaints linked to performance of HVAC system, poor temperature control and outside air control.

City of Hamilton, Traffic Department, Hamilton, Ontario.
Traffic sign printshop - Indoor Air Quality Assessment and Ventilation Survey.

ESCO Limited, Port Hope, Ontario.
A heavy metal fabrication company with electric arc furnaces and steel casting facilities, with recuperators, heat exchangers, and baghouses, was studied under a Ministry of Energy grant. Several hundred thousand dollars of savings were identified. Recommendations dealt with modifications to the ventilation system and baghouse and provided conditions for energy savings in the shop and foundry.

Opus Ferrum, Weston, Ontario.
A company heat treating components for manufacturing was studied under a Ministry of Energy grant. Savings were defined in the operation of the heat treat furnace, the plant lighting, and compressed air system.

B & W Heat Treating, Kitchener, Ontario.
A large plant with multiple heat treatment furnaces (induction electrical, salt bath) was studied under a Ministry of Energy grant. Feasibility of changing furnace technology to natural gas and changes in scheduling of electric furnaces were examined. Heating, ventilation, air conditioning, and lighting were also studied.

Norton Abrasives, Niagara Falls, Ontario.
A large metallurgical plant was studied for savings in electric furnace operation and material handling. Options for improving material handling were presented.

Ingersoll Machine & Tools, Ingersoll, Ontario.
A large manufacturing plant was studied under a Ministry of Energy grant. The study identified heat loss due to general exhaust of contaminated air and energy loss due to compressed air leaks. Recommendations to control sources of airborne contaminants reduced heated make up air requirements from 140,000 CFM to 110,000 CFM. This change and other changes in plant compressed, water and electrical systems added up to $60,000.00 of annual cost savings.

Aberfoyle Metal Treaters, Guelph, Ontario.
The largest reheat furnace in Canada, being used to heat treat steel from Stelco, was studied for possible savings. Over $100,000.00 worth of savings were identified. Recommendations included: maximizing loads, adding insulation, adding efficiency software and burner controls, and utilizing a heating time control.

G.S. Technologies, Kansas City, Missouri.
A large steel mill complex was investigated for energy savings related to the steam plant. Recommendations were implemented to decentralize the system with three new boilers. Piping would be reduced and heat could be more responsive to the demands of different areas in the complex. Installation cost was $400,000.00 U.S. Annual savings estimated at $500,000.00 U.S.

Peel Board of Education, Mississauga, Ontario.
1-Eight large high schools were studied under a Utilities Management Program feasibility study grant. Over $300,000.00 worth of annual energy savings were identified with a project cost of approximately $1,850,000. Typical conservation measures included chiller replacement, free cooling, direct digital controls and energy management systems. Installed in 1995/96. Actual savings exceeded estimates.
2-Selected as engineering consultant to carry out the energy management and indoor environmental program in Peel schools as engineering, procurement, construction management project. Ongoing Feb 1998
Falconbridge Limited, Falconbridge, Ontario.
Preliminary engineering study and cost estimate for improvements in the matte-tapping fume control system. Travelling sidedraft hood with launder cover proposed to reduce worker exposure to cadmium. Detailed engineering to implement proposed solution. Videosampling to measure performance of installed controls.

Republic Engineered Steels, Inc., Canton, Ohio.
Fume control system design for leaded steel pouring, water-cooled duct layout, furnace fume system analysis VideoSampling used in design and before/after testing. Grinding, dust/fume control system design, engineering and testing.

Procter & Gamble, Mexico City.
Redesign of dust control systems in a detergent plant. Evaluation of peak worker exposure by Videosampling.

SCM Chemical, Ashtabula, Ohio.
Design of titanium dioxide dust control system. Evaluated the effect of source strength and work practices on dust exposure levels with Videosampling.

Asbestos Institutue, Montreal, Quebec.
Preparation of a training video based on VideoSampling of worker exposure during the handling of mineral fibre.

Davidson Instrument Panel Ltd., Port Hope, Ontario.
Evaluation of exposure to toluene diisocyanate and respirable fumes. Testing of current work practices and ventilation performance using R&R Videosampling technique.

Ball Packaging Products Canada Inc. Rexdale, Ontario.
Evaluation of exposure to solvents, n-hexane and toluene. Tested performance of ventilation system for solvent vapor control using the VideoSampling technique.

Bell-Northern Research, Ottawa, Ontario.
Evaluation of exposure to respirable areosols and solvents using VideoSampling. Preparation of worker training video.

Ministry of Labour, Toronto, Ontario.
VideoSampling evaluation of exposure to nitrous oxide gas during dental operations. Research project for provincial ministry to identify work practices responsible for high time-weighted average exposures experienced by dentists and dental assistants. Also investigated performance of applied source controls.

Workplace Health & Safety Agency.
VideoSampling research project to evaluate typical industrial exposures to respirable areosols and volatile organic compounds in Ontario.

Peel Board of Education
Sir Wilfred Laurier-Public School
Complete retrofit design that include new ductwork, packaged rooftop HVAC unit and other accessories to provide min. 15 CFM of fresh air per student under any weather condition.

Ontario Realty Corporation
OPP Building Burlington
Engineering design to replace existing HVAC system that will improve IAQ in the change room and the lunch room.

Hamilton-Wentworth
Sewer Treatment Plant-Lab
Design of make up air unit balance ducting and modification of the existing HVAC system.