INTERIOR RENOVATIONS FINANCE DIVISION LEAD ABATEMENT TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 1 OF 7

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1 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 1 OF 7 PART 1 GENERAL 1.1 SUMMARY.1 Comply with requirements of this Section when performing the following Work activities which are defined as a Type 1 lead operation under the Ministry of Labour (MOL), Guideline Lead on Construction Projects (Guide):.1 Removing lead-containing coatings with a chemical gel or paste and fibrous laminated cloth wrap;.2 Removing or disturbing (e.g. cutting) lead-containing coatings using non-powered hand tools, other than by manual scraping or sanding;.3 Removing or disturbing (e.g. cutting) lead-containing coatings using a power tool that has an effective dust collection system equipped with a HEPA filter;.4 Application of a sealant or encapsulant to lead-containing coatings using a brush, roller or airless sprayer; and.5 Soldering. 1.2 EXISTING CONDITIONS.1 Information pertaining to lead-containing materials to be handled, removed, or otherwise disturbed and disposed as summarized in the report entitled Pre-Renovation Designated Substance and Hazardous Material Survey, Second Floor, Thunder Bay City Hall, 500 Donald Street East, Thunder Bay, Ontario, dated December 22, 2017 (TGE Reference No A- 141). Information is for general purposes only and is not necessarily representative of all leadcontaining material covered within the scope of this project..1 Purple paint on gypsum board walls in the subject area;.2 Pea green paint on a single gypsum board wall in the subject area;.3 Grey paint on wood and metal doors and frames in the subject area; and.4 Solder was identified on copper water lines in the subject area and should be treated as lead-containing..2 Paints described above have not been analyzed to determine whether they meet the requirements under Ontario Regulation 347, General - Waste Management (O. Reg. 347) to be disposed of as a non-hazardous waste..3 Batteries associated with emergency lighting observed in the subject area may be lead-acid type. Lead-acid batteries should be sent to an approved battery recycling depot..4 Figures, tables and reports pertaining to LCM to be handled, removed, or otherwise disturbed and disposed of during this project are provided for general information only and are not necessarily representative of all LCM covered within the scope of this project. Contractors are to satisfy themselves as to the exact quantity and location of LCM for disturbance or removal as part of the current project PRIOR TO BID CLOSE. 1.3 SECTION INCLUDES.1 Requirements and procedures for Type 1 removal or disturbance of lead-containing coatings. 1.4 REFERENCES.1 Department of Justice Canada (Jus).

2 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 2 OF 7.1 Canadian Environmental Protection Act, 1999 (CEPA).2 Health Canada/Workplace Hazardous Materials Information System (WHMIS)..1 Material Safety Data Sheets (MSDS)..3 Transport Canada (TC)..1 Transportation of Dangerous Goods Act, 1992 (TDGA)..2 Transportation of Dangerous Goods Regulations (SOR/ ).4 Underwriters' Laboratories of Canada (ULC)..5 Ontario Ministry of Labour (MOL)..1 Occupational Health and Safety Act, 1990 (OHSA)..2 Guideline Lead on Construction Projects (Guide)..6 Technical Standards and Safety Act (TSSA)..1 Ontario Regulation 212/01, Gaseous Fuels (O. Reg. 212/01)..7 Ontario Ministry of Environment and Climate Change (MOECC): 1.5 DEFINITIONS.1 Environmental Protection Act, 1990 (EPA)..2 Ontario Regulation 347, General Waste Management (O. Reg. 347).1 HEPA vacuum: High Efficiency Particulate Air filtered vacuum equipment with filter system capable of collecting and retaining fibres greater than 0.3 microns in any dimension at 99.97% efficiency..2 Lead Work Area: area where work takes place which will, or may disturb lead-containing paint..3 Authorized Visitors: Architect, Engineer, Consultant or designated representatives, and representatives of regulatory agencies..4 Occupied Area: any area of building or work site that is outside the Lead Work Area..5 Polyethylene: minimum 0.15 mm (6 mil) polyethylene sheeting or rip-proof polyethylene sheeting with tape along edges, around penetrating objects, over cuts and tears, and elsewhere as required to provide protection and isolation..6 Sprayer: garden reservoir type sprayer or airless spray equipment capable of producing mist or fine spray. Must have appropriate capacity for scope of work. 1.6 SUBMITTALS.1 Submit proof satisfactory to Consultant that lead coating removal methods will satisfy requirements for Type 1 procedures.

3 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 3 OF 7.1 If, in the opinion of the Consultant, the Contractor s proposed work methods do not meet the intent of this section, carry out work in accordance with Lead Abatement Type 2 or Type 3 Operations as appropriate..2 The onus is on the Contractor to select the appropriate removal method to satisfy regulatory requirements and these specifications..2 Submit Provincial and/or local requirements for Notice of Project Form as necessary..3 Submit proof satisfactory to Consultant that employees have had instruction on hazards of lead exposure, respirator use, dress, entry and exit from Lead Work Area, and aspects of work procedures and protective measures..4 Submit Worker's Compensation Board status and transcription of insurance..5 Submit documentation including test results, fire and flammability data, and Material Safety Data Sheets (MSDS) for chemicals or materials. 1.7 QUALITY ASSURANCE.1 Regulatory Requirements: comply with Federal, Provincial and local requirements pertaining to lead, provided that in case of conflict among these requirements or with these specifications more stringent requirement applies. Comply with regulations in effect at the time work is performed..2 Health and Safety:.1 Safety Requirements: worker and visitor protection..1 Protective equipment and clothing are not required for Type 1 lead operations; however, if a worker requests respiratory protection, the following is to be supplied by Contractor and worn by workers while in the Lead Work Area:.1 Non-powered reusable, half mask, filter-type respirator equipped with HEPA filter cartridges, personally issued to worker and marked as to efficiency and purpose, suitable for protection against lead and acceptable to Provincial Authority having jurisdiction (i.e. P/N/R 95, 99 or 100)..2 Disposable-type protective clothing that does not readily retain or permit penetration of lead dust, consisting of full-body covering including head covering with snug-fitting cuffs at wrists, ankles, and neck..2 Eating, drinking, chewing, and smoking are not permitted in Lead Work Area..3 Before leaving Lead Work Area, dispose of protective clothing as contaminated waste as specified..4 Ensure workers wash hands and face when leaving Lead Work Area. Facilities for washing shall be located in proximity to each work area and in a location that does not interfere with building day to day operations..5 Ensure that no person required to enter a Lead Work Area has facial hair that affects seal between respirator and face..2 Visitor Protection:.1 Provide protective clothing and approved respirators to Authorized Visitors to work areas.

4 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 4 OF WASTE MANAGEMENT AND DISPOSAL.2 Instruct Authorized Visitors in the use of protective clothing, respirators and procedures..3 Instruct Authorized Visitors in proper procedures to be followed in entering into and exiting from Lead Work Area..1 Notify intended waste disposal facility of lead in waste materials..1 Provide copies of laboratory test results, if requested..2 Complete and submit Contaminants Release Form and any other required paperwork to facilitate disposal..2 Dispose of building materials containing lead and identified as non-leachate toxic (Please refer to Section 3.3 below) as solid non-hazardous waste..3 Dispose of building materials containing lead and identified as leachate toxic (Please refer to Section 3.3 below) as hazardous waste. Leachate toxic waste must be transported by a properly licensed carrier to a licensed disposal facility as per the requirements of O. Reg Separate lead-painted and/or lead-containing metals (e.g. solder) from regular waste stream for recycling..5 Transport and dispose of lead materials in accordance with federal, provincial and municipal requirements. 1.9 SCHEDULING.1 Contractor is responsible for scheduling of lead abatement work in order to achieve the desired renovation schedule..2 Co-ordinate with Consultant, Owner, Owner s representatives and other contractors when scheduling work OWNER S INSTRUCTIONS.1 Before beginning Work, provide Consultant satisfactory proof that every worker has had instruction and training in hazards of lead exposure, in personal hygiene and work practices, in the use, cleaning, and disposal of respirators and protective clothing..2 Instruction and training related to respirators includes, at minimum:.1 Fitting of equipment..2 Inspection and maintenance of equipment..3 Disinfecting of equipment..4 Limitations of equipment..3 Instruction and training must be provided by competent, qualified person.

5 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 5 OF 7 PART 2 PRODUCTS 2.1 MATERIALS.1 Drop and Enclosure Sheets..1 Polyethylene: Minimum 0.15 mm (6 mil) thickness.2 FR polyethylene: Minimum 0.15 mm (6 mil) thick woven fibre reinforced fabric bonded both sides with polyethylene..2 Waste Containers: PART 3 EXECUTION 3.1 SUPERVISION.1 Until it is determined whether the waste is hazardous or not:.1 Contain waste in clean, unused, double thickness, minimum 0.15 mm (6 mil) plastic bags or leak proof drums..2 If the waste is found to be hazardous then in addition to the above specifications:.1 Labelling requirements: affix preprinted cautionary lead warning, in both official languages, that is visible when ready for removal to disposal or destruction site..1 Minimum of one Supervisor for every ten workers is required..2 Approved Supervisor must remain within Lead Work Area during disturbance, removal, or other handling of lead containing materials. 3.2 PREPARATION AND PROCEDURE.1 Before beginning Work, at each access to Lead Work Area, install warning signs with the following information:.1 There is a lead dust, fume or mist hazard..2 Access to the work area is restricted to authorized persons..2 Shut off and isolate HVAC system to prevent dust dispersal to other building areas..3 Before beginning Work pre-clean and remove visible dust from surfaces in work area where dust is likely to be disturbed during course of work..1 Use HEPA vacuum, or damp cloths where damp cleaning does not create hazard and is otherwise appropriate..2 Do not use compressed air to clean up or remove dust from any surface..4 Cover floors, equipment, materials and structures in the Lead Work Area but not involved in the removal with minimum 6 mil polyethylene drop sheets to prevent the spread of lead-containing paint chips, dust and debris. Seal the polyethylene drop sheet in place using tape..5 Maintain emergency and fire exits from work areas, or establish alternative exits satisfactory to Authority having jurisdiction.

6 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 6 OF 7.6 Where water application is required for wetting lead containing materials, provide temporary water supply appropriately sized for application of water as required..7 Provide electrical power and shut off. Provide 24 volt safety lighting and ground fault interrupter circuits on power source for electrical tools, in accordance with applicable CSA Standard. Ensure safe installation of electrical cables and equipment..8 Contact Consultant for initial inspection of site preparation prior to beginning removal activities..9 Use work methods to keep dust production to a minimum..10 Compressed air or dry sweeping should not be used to clean up any lead-containing dust or waste in the work area..11 If power tools are used then they must have a HEPA filtered dust collection system..12 Work is subject to visual inspection. Contamination of surrounding areas indicated by visual inspection will require complete enclosure and clean-up of affected areas. 3.3 WASTE CHARACTERIZATION.1 For paints identified as lead-containing, but not identified positively as to their leachate toxicity, the successful contractor shall contact the consultant to characterize the waste as follows (i.e. if it will be disposed of): 3.4 FINAL CLEAN-UP.1 Collect a representative sample of material from every waste container resulting from the removal process. Each sample must contain at least 50 grams of representative waste material..2 Submit the collected samples under chain of custody to an accredited laboratory for lead analysis and subsequent toxicity characteristic leachate procedure (TCLP) analysis for lead according to the requirements made under O. Reg If the results of analysis are less than 5 milligrams lead per litre (mg/l) in the leachate then the material can be disposed of as a non-hazardous waste..1 Arrange for transportation and disposal of all removed LCM (Please refer to Section 1.8 above)..2 Clean up:.1 Frequently during Work and immediately after completion of work, clean up lead containing dust and waste using a combination of wet methods and HEPA vacuuming..2 Place lead containing dust and waste in sealed dust tight waste bags or drums. Treat drop sheets and disposable protective clothing as lead waste and wet and fold to contain dust and then place in waste bags..3 Immediately before their removal from Lead Work Area and disposal, clean exterior of each filled waste bag or drum using damp cloths or HEPA vacuum. If using bags, place in second clean waste bag..4 Seal and remove waste from site. Dispose in accordance with requirements of Provincial and Federal authority having jurisdiction. Ensure that dump operator is fully aware of nature of material to be dumped and that guidelines and regulations for lead waste disposal are followed..5 Perform final thorough clean up of Lead Work Areas and adjacent areas affected by Work using a combination of wet methods and HEPA vacuuming.

7 TYPE 1 OPERATION MINIMUM PRECAUTIONS PAGE 7 OF INSPECTION.1 The following visual inspections will be completed by the Consultant over the duration of the work. The Contractor is to provide minimum 24 hours notice to the Consultant to arrange for the inspections. Lead Abatement Work shall not proceed until each inspection is completed and approval to proceed is obtained from the Consultant..1 Initial Inspection: following completion of site preparation but prior to the commencement of lead paint removal..2 Clearance Inspection: following completion of all removal work and cleaning of all surfaces within the Work Area, but prior to application of any sealant or paints and removal of any signage or enclosures..2 If results of the visual inspection suggest that coatings have not been removed to the extent practicable or that lead-containing dust has not been adequately cleaned-up then, repeat steps described in Section 3.4 and any additional direction provided by the Consultant. Re-cleaning shall be at no additional cost to the Client and shall be borne by the Contractor. END OF SECTION

8 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 1 OF 7 PART 1 GENERAL 1.1 SUMMARY.1 Comply with requirements of this Section when performing the following Work which is defined as a Type 2 lead operation under the Ministry of Labour (MOL), Guideline Lead on Construction Projects (Guide): 1.2 EXISTING CONDITIONS.1 Removing lead-containing coatings by scraping or sanding using non-powered hand tools..2 Manual demolition of lead-painted building components by striking with a sledgehammer or similar tool..1 Information pertaining to lead-containing materials to be handled, removed, or otherwise disturbed and disposed as summarized in the report entitled Pre-Renovation Designated Substance and Hazardous Material Survey, Second Floor, Thunder Bay City Hall, 500 Donald Street East, Thunder Bay, Ontario, dated December 22, 2017 (TGE Reference No A- 141). Information is for general purposes only and is not necessarily representative of all leadcontaining material covered within the scope of this project..1 Purple paint on gypsum board walls in the subject area;.2 Pea green paint on a single gypsum board wall in the subject area;.3 Grey paint on wood and metal doors and frames in the subject area; and.4 Solder was identified on copper water lines in the subject area and should be treated as lead-containing..2 Paints described above have not been analyzed to determine whether they meet the requirements under Ontario Regulation 347, General - Waste Management (O. Reg. 347) to be disposed of as a non-hazardous waste..3 Batteries associated with emergency lighting observed in the subject area may be lead-acid type. Lead-acid batteries should be sent to an approved battery recycling depot..4 Figures, tables and reports pertaining to LCM to be handled, removed, or otherwise disturbed and disposed of during this project are provided for general information only and are not necessarily representative of all LCM covered within the scope of this project. Contractors are to satisfy themselves as to the exact quantity and location of LCM for disturbance or removal as part of the current project PRIOR TO BID CLOSE. 1.3 SECTION INCLUDES.1 Requirements and procedures for Type 2 removal or disturbance of lead-containing coatings. 1.4 REFERENCES.1 Department of Justice Canada (Jus)..1 Canadian Environmental Protection Act, 1999 (CEPA)..2 Health Canada/Workplace Hazardous Materials Information System (WHMIS).

9 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 2 OF 7.1 Material Safety Data Sheets (MSDS)..3 Transport Canada (TC)..1 Transportation of Dangerous Goods Act, 1992 (TDGA)..4 Underwriters' Laboratories of Canada (ULC)..5 Ontario Ministry of Labour (MOL)..1 Occupational Health and Safety Act, 1990 (OHSA)..2 Guideline Lead on Construction Projects (Guide)..6 Technical Standards and Safety Act (TSSA)..1 Ontario Regulation 212/01, Gaseous Fuels (O. Reg. 212/01)..7 Ontario Ministry of Environment and Climate Change (MOECC) 1.5 DEFINITIONS.1 Environmental Protection Act, 1990 (EPA).2 Ontario Regulation 347, General Waste Management (O. Reg. 347).1 HEPA vacuum: High Efficiency Particulate Air filtered vacuum equipment with filter system capable of collecting and retaining fibres greater than 0.3 microns in any dimension at 99.97% efficiency..2 Lead Work Area: area where work takes place which will, or may disturb lead-containing paint..3 Authorized Visitors: Architect, Engineer, Consultant or designated representatives, and representatives of regulatory agencies..4 Occupied Area: any area of building or work site that is outside the Lead Work Area..5 Polyethylene: minimum 0.15 mm (6 mil) polyethylene sheeting or rip-proof polyethylene sheeting with tape along edges, around penetrating objects, over cuts and tears, and elsewhere as required to provide protection and isolation..6 Sprayer: garden reservoir type sprayer or airless spray equipment capable of producing mist or fine spray. Must have appropriate capacity for scope of work..7 Curtained doorway: arrangement of closures to allow ingress and egress from one room to another. Typically constructed as follows:.1 Place two overlapping polyethylene sheets over existing or temporarily framed doorway, securing each along top of doorway, securing vertical edge of one sheet along one vertical side of doorway, and secure other sheet along opposite vertical side of doorway..2 Reinforce free edges of polyethylene with duct tape and add weight to bottom edge to ensure proper closing..3 Overlap each polyethylene sheet at openings 1.5 m on each side.

10 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 3 OF SUBMITTALS.1 Submit proof satisfactory to Consultant that lead coating removal methods will satisfy requirements for Type 2 procedures..1 If, in the opinion of the Consultant, the Contractor s proposed work methods do not meet the intent of this section, carry out work in accordance with Lead Abatement Type 3 Operations as appropriate..2 The onus is on the Contractor to select the appropriate removal method to satisfy regulatory requirements and these specifications..2 Submit Provincial and/or local requirements for Notice of Project Form as necessary..3 Submit proof satisfactory to Consultant that employees have had instruction on hazards of lead exposure, respirator use, dress, entry and exit from Lead Work Area, and aspects of work procedures and protective measures..4 Submit Worker's Compensation Board status and transcription of insurance..5 Submit documentation including test results, fire and flammability data, and Material Safety Data Sheets (MSDS) for chemicals or materials. 1.7 QUALITY ASSURANCE.1 Regulatory Requirements: comply with Federal, Provincial and local requirements pertaining to lead, provided that in case of conflict among these requirements or with these specifications more stringent requirement applies. Comply with regulations in effect at the time work is performed..2 Health and Safety:.1 Safety Requirements: worker and visitor protection..1 Protective equipment and clothing are worn by workers and visitors while in the Lead Work Area:.1 Non-powered reusable, half mask style, filter-type respirator equipped with HEPA filter cartridges, personally issued to worker and marked as to efficiency and purpose, suitable for protection against lead and acceptable to Provincial Authority having jurisdiction (i.e. P/N/R 95, 99 or 100)..2 Disposable-type protective clothing that does not readily retain or permit penetration of lead dust, consisting of full-body covering including head covering with snug-fitting cuffs at wrists, ankles, and neck..2 Eating, drinking, chewing, and smoking are not permitted in Lead Work Area..3 Before leaving Lead Work Area, dispose of protective clothing as contaminated waste as specified..4 Ensure workers wash hands and face when leaving Lead Work Area. Facilities for washing shall be located in proximity to each work area and in a location that does not interfere with building day to day operations..5 Ensure that no person required to enter a Lead Work Area has facial hair that affects seal between respirator and face.

11 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 4 OF 7.2 Visitor Protection: 1.8 WASTE MANAGEMENT AND DISPOSAL.1 Provide protective clothing and approved respirators to Authorized Visitors to work areas..2 Instruct Authorized Visitors in the use of protective clothing, respirators and procedures..3 Instruct Authorized Visitors in proper procedures to be followed in entering into and exiting from Lead Work Area..1 Notify intended waste disposal facility of lead in waste materials..1 Provide copies of laboratory test results, if requested..2 Complete and submit Contaminants Release Form and any other required paperwork to facilitate disposal..2 Dispose of building materials containing lead and identified as non-leachate toxic (please refer to Section 3.3 below) as solid non-hazardous waste..3 Dispose of building materials containing lead and identified as leachate toxic (Please refer to Section 3.3 below) as hazardous waste. Leachate toxic waste must be transported by a properly licensed carrier to a licensed disposal facility as per the requirements of O. Reg Separate lead-painted and/or lead-containing metals (e.g. solder) from regular waste stream for recycling..5 Dispose of lead materials in accordance with federal, provincial and municipal requirements. 1.9 SCHEDULING.1 Contractor is responsible for scheduling of lead abatement work in order to achieve the desired renovation schedule..2 Co-ordinate with Consultant, Owner, Owner s representatives and other contractors when scheduling work OWNER S INSTRUCTIONS.1 Before beginning Work, provide Owner satisfactory proof that every worker has had instruction and training in hazards of lead exposure, in personal hygiene and work practices, in the use, cleaning, and disposal of respirators and protective clothing..2 Instruction and training related to respirators includes, at minimum:.1 Fitting of equipment..2 Inspection and maintenance of equipment..3 Disinfecting of equipment..4 Limitations of equipment..3 Instruction and training must be provided by competent, qualified person.

12 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 5 OF 7 PART 2 PRODUCTS 2.1 MATERIALS.1 Drop and Enclosure Sheets..1 Polyethylene: minimum 0.15 mm (6 mil) thickness..2 FR polyethylene: minimum 0.15 mm (6 mil) thickness woven fibre reinforced fabric bonded both sides with polyethylene..2 Waste Containers: PART 3 EXECUTION 3.1 SUPERVISION.1 Until it is determined whether the waste is hazardous or not:.1 Contain waste in clean, unused, double thickness, minimum 0.15 mm (6 mil) plastic bags or leak proof drums..2 If the waste is found to be hazardous then in addition to the above specifications:.1 Labelling requirements: affix pre-printed cautionary lead warning, in both official languages, that is visible when ready for removal to disposal or destruction site..1 Minimum of one Supervisor for every ten workers is required..2 Approved Supervisor must remain within Lead Work Area during disturbance, removal, or other handling of lead containing materials. 3.2 PREPARATION AND PROCEDURES.1 Work Area:.1 Before beginning Work, at each access to Lead Work Area, install warning signs with the following information:.1 There is a lead dust, fume or mist hazard..2 Access to the work area is restricted to authorized persons..3 Respirators must be worn in the Work Area..2 Construct a partial or full enclosure complete with curtained doorways to separate Work Area from the rest of the building..3 Shut off and isolate HVAC system to prevent dust dispersal into other building areas..4 Before beginning Work pre-clean and remove visible dust from fixed casework and equipment surfaces in work area where dust is likely to be disturbed during course of work..1 Use HEPA vacuum, or damp cloths where damp cleaning does not create hazard and is otherwise appropriate..2 Do not use compressed air to clean up or remove dust from any surface..5 Cover fixed casework and equipment with polyethylene sheeting sealed with tape..6 Cover ground inside of the Work Area with polyethylene sheeting sealed in place with tape.

13 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 6 OF 7.7 Seal off openings, corridors, doorways, windows, skylights, ducts, grilles, and diffusers with polyethylene sheeting sealed with tape..8 Create a barrier for the Work Area to prevent entry of unauthorized persons..9 Construct a Worker Decontamination Area where workers can don and doff personal protective equipment..10 Maintain emergency and fire exits from work areas, or establish alternative exits satisfactory to Authority having jurisdiction..11 Where water application is required for wetting lead containing materials, provide temporary water supply appropriately sized for application of water as required..12 Provide electrical power and shut off. Provide 24 volt safety lighting and ground fault interrupter circuits on power source for electrical tools, in accordance with applicable CSA Standard. Ensure safe installation of electrical cables and equipment..13 Contact Consultant for initial inspection of site preparation prior to beginning removal activities..14 Visually inspect Work Area and barriers at beginning of each working period..2 Contact Consultant for initial inspection of site preparation prior to beginning removal activities..3 Remove lead based coatings in small sections and pack as it is being removed in waste containers as specified..4 Perform work in a manner to reduce dust creation to lowest levels practicable..5 Work is subject to visual inspection. Contamination of surrounding areas indicated by visual inspection will require complete enclosure and clean-up of affected areas..6 After completion of lead removal work, wire brush and wet sponge surface from which lead based paint has been removed to remove visible materials. During this work keep surfaces wet..7 After wire brushing and wet sponging to remove visible lead based paint contact Consultant for final inspection..8 Contractor shall forthwith rectify any deficiencies identified by the Consultant during any of the inspections at no cost to the Owner. 3.3 WASTE CHARACTERIZATION.1 For paints identified as lead-containing, but not identified positively as to their leachate toxicity, the successful contractor shall contact the consultant to characterize the waste as follows (i.e. if it will be disposed of):.1 Collect a representative sample of material from every waste container resulting from the removal process. Each sample must contain at least 50 grams of representative waste material..2 Submit the collected samples under chain of custody to an accredited laboratory for lead analysis and subsequent toxicity characteristic leachate procedure (TCLP) analysis for lead according to the requirements made under O. Reg If the results of analysis are less than 5 milligrams lead per litre (mg/l) in the leachate then the material can be disposed of as a non-hazardous waste.

14 TYPE 2 OPERATION INTERMEDIATE PRECAUTIONS PAGE 7 OF FINAL CLEAN-UP.1 Arrange for transportation and disposal of all removed LCM (Please refer to Section 1.8 above)..2 Clean up: 3.5 INSPECTIONS.1 Frequently during Work and immediately after completion of work, clean up lead containing dust and waste using HEPA vacuum..2 Place lead containing dust and waste in sealed dust tight waste bags or drums. Treat drop sheets and disposable protective clothing as lead waste and wet and fold to contain dust and then place in waste bags..3 Immediately before their removal from Lead Work Area and disposal, clean exterior of each filled waste bag or drum using damp cloths or HEPA vacuum. If using bags, place in second clean waste bag..4 Seal and remove waste from site. Dispose in accordance with requirements of Provincial and Federal authority having jurisdiction. Ensure that dump operator is fully aware of nature of material to be dumped and that guidelines and regulations for lead waste disposal are followed..5 Perform final thorough clean up of Lead Work Areas and adjacent areas affected by Work using HEPA vacuum..1 The following visual inspections will be completed by the Consultant over the duration of the work. The Contractor is to provide minimum 24 hours notice to the Consultant to arrange for the inspections. Lead Abatement Work shall not proceed until each inspection is completed and approval to proceed is obtained from the Consultant..1 Initial Inspection: following completion of hoarding erection but prior to the commencement of lead paint removal..2 Clearance Inspection: following completion of all removal work and cleaning of all surfaces within the enclosure, but prior to application of sealant and removal of hoarding..2 If results of the visual inspection suggest that coatings have not been removed to the extent practicable or that the Work Area has not been adequately cleaned then, repeat steps described in Section 3.4 and any additional direction provided by the Consultant. Re-cleaning shall be at no additional cost to the Client and shall be borne by the Contractor. END OF SECTION

15 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 1 OF 9 PART 1 GENERAL 1.1 SUMMARY.1 Comply with requirements of this Section when performing the following Work which is defined as a Type 3 lead operation under the Ministry of Labour (MOL), Guideline Lead on Construction Projects (Guide): 1.2 EXISTING CONDITIONS.1 Removing lead-containing coatings using power tools without an effective dust collection system equipped with a HEPA filter..2 Welding or high temperature cutting of lead-containing coatings or materials indoors..1 Information pertaining to lead-containing materials to be handled, removed, or otherwise disturbed and disposed as summarized in the report entitled Pre-Renovation Designated Substance and Hazardous Material Survey, Second Floor, Thunder Bay City Hall, 500 Donald Street East, Thunder Bay, Ontario, dated December 22, 2017 (TGE Reference No A- 141). Information is for general purposes only and is not necessarily representative of all leadcontaining material covered within the scope of this project..1 Purple paint on gypsum board walls in the subject area;.2 Pea green paint on a single gypsum board wall in the subject area;.3 Grey paint on wood and metal doors and frames in the subject area; and.4 Solder was identified on copper water lines in the subject area and should be treated as lead-containing..2 Paints described above have not been analyzed to determine whether they meet the requirements under Ontario Regulation 347, General - Waste Management (O. Reg. 347) to be disposed of as a non-hazardous waste..3 Batteries associated with emergency lighting observed in the subject area may be lead-acid type. Lead-acid batteries should be sent to an approved battery recycling depot..4 Figures, tables and reports pertaining to LCM to be handled, removed, or otherwise disturbed and disposed of during this project are provided for general information only and are not necessarily representative of all LCM covered within the scope of this project. Contractors are to satisfy themselves as to the exact quantity and location of LCM for disturbance or removal as part of the current project PRIOR TO BID CLOSE. 1.3 SECTION INCLUDES.1 Requirements and procedures for Type 3 removal or disturbance of lead-containing coatings. 1.4 REFERENCES.1 Department of Justice Canada (Jus)..1 Canadian Environmental Protection Act, 1999 (CEPA).2 Health Canada/Workplace Hazardous Materials Information System (WHMIS).

16 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 2 OF 9.1 Material Safety Data Sheets (MSDS)..3 Transport Canada (TC)..1 Transportation of Dangerous Goods Act, 1992 (TDGA)..4 Underwriters' Laboratories of Canada (ULC)..5 Ontario Ministry of Labour (MOL)..1 Occupational Health and Safety Act, 1990 (OHSA)..2 Guideline Lead on Construction Projects (Guide).6 Technical Standards and Safety Act (TSSA)..1 Ontario Regulation 212/01, Gaseous Fuels (O. Reg. 212/01).7 Ontario Ministry of Environment and Climate Change (MOECC) 1.5 DEFINITIONS.1 Environmental Protection Act, 1990 (EPA).2 Ontario Regulation 347, General Waste Management (O. Reg. 347).1 HEPA vacuum: High Efficiency Particulate Air filtered vacuum equipment with filter system capable of collecting and retaining fibres greater than 0.3 microns in any dimension at 99.97% efficiency..2 Lead Work Area: area where work takes place which will, or may disturb lead-containing paint..3 Authorized Visitors: Architect, Engineer, Consultant or designated representatives, and representatives of regulatory agencies..4 Occupied Area: any area of building or work site that is outside the Lead Work Area..5 Polyethylene: 0.15 mm (6 mil) polyethylene sheeting or rip-proof polyethylene sheeting with tape along edges, around penetrating objects, over cuts and tears, and elsewhere as required to provide protection and isolation..6 Sprayer: garden reservoir type sprayer or airless spray equipment capable of producing mist or fine spray. Must have appropriate capacity for scope of work..7 DOP Test: testing method used to determine integrity of Negative Pressure unit using dioctyl phthalate (DOP) HEPA-filter leak test..8 Negative pressure: system that extracts air directly from work area, filters such extracted air through High Efficiency Particulate Air filtering system, and discharges this air directly outside work area to exterior of building..1 System to maintain minimum pressure differential of 0.02 inches of water relative to adjacent areas outside of work areas, be equipped with alarm to warn of system breakdown, and be equipped with instrument to continuously monitor and automatically record pressure differences.

17 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 3 OF 9.9 Airlock: system for permitting ingress or egress without permitting air movement between contaminated area and uncontaminated area, typically consisting of two curtained doorways at least 2 m apart..10 Curtained doorway: arrangement of closures to allow ingress and egress from one room to another while permitting minimal air movement between rooms, typically constructed as follows: 1.6 SUBMITTALS.1 Place two overlapping sheets of polyethylene over existing or temporarily framed doorway, secure each along top of doorway, secure vertical edge of one sheet along one vertical side of doorway, and secure vertical edge of other sheet along opposite vertical side of doorway..2 Reinforce free edges of polyethylene with duct tape and weight bottom edge to ensure proper closing..3 Overlap each polyethylene sheet at openings not less than 1.5 m on each side..1 Submit proof satisfactory to Consultant that lead coating removal methods will satisfy requirements for Type 3 procedures..1 The onus is on the Contractor to select the appropriate removal method to satisfy regulatory requirements and these specifications..2 Submit Provincial and/or local requirements for Notice of Project Form as necessary..3 Submit proof satisfactory to Consultant that employees have had instruction on hazards of lead exposure, respirator use, dress, entry and exit from Lead Work Area, and aspects of work procedures and protective measures..4 Submit Worker's Compensation Board status and transcription of insurance..5 Submit documentation including test results, fire and flammability data, and Material Safety Data Sheets (MSDS) for chemicals or materials. 1.7 QUALITY ASSURANCE.1 Regulatory Requirements: comply with Federal, Provincial and local requirements pertaining to lead, provided that in case of conflict among these requirements or with these specifications more stringent requirement applies. Comply with regulations in effect at the time work is performed..2 Health and Safety:.1 Safety Requirements: worker and visitor protection..1 Protective equipment and clothing are worn by workers and visitors while in the Lead Work Area:.1 Lead removal using power tools (not equipped with HEPA filter): Full facepiece supplied-air respirator operated in demand mode..2 Lead removal using abrasive blasting: Type CE abrasive-blast supplied air respirator operated in a positive pressure mode with a tight-fitting half-mask facepiece.

18 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 4 OF 9.3 Disposable-type protective clothing that does not readily retain or permit penetration of lead dust, consisting of full-body covering including head covering with snug-fitting cuffs at wrists, ankles, and neck..2 Requirements for workers:.1 Remove street clothes in clean change room and put on respirator with new filters or reusable filters, clan coveralls and head covers before entering Equipment and Access Rooms or Work Area. Store street clothes, uncontaminated footwear, towels and similar uncontaminated articles in clean change room..2 Remove gross contamination from clothing before leaving work area. Place contaminated work suits in receptacles for disposal with other lead contaminated materials. Leave reusable items except respirator in Equipment and Access Room. When not in use in work area, store work footwear in Equipment and Access Room. Upon completion of lead abatement, dispose of footwear as contaminated waste or clean thoroughly inside and out using soap and water before removing from work area or from Equipment and Access Room..3 Enter unloading room from outside dressed in clean coveralls to remove waste containers and equipment from Holding Room of Container and Equipment Decontamination Enclosure system. Workers not to use this system as means to leave or enter Work Area..3 Eating, drinking, chewing, and smoking are not permitted in Lead Work Area..4 Before leaving Lead Work Area, dispose of protective clothing as contaminated waste as specified..5 Ensure workers wash hands and face when leaving Lead Work Area. Facilities for washing shall be located in proximity to each work area and in a location that does not interfere with building day to day operations..6 Ensure that no person required to enter a Lead Work Area has facial hair that affects seal between respirator and face..2 Visitor Protection: 1.8 WASTE MANAGEMENT AND DISPOSAL.1 Provide protective clothing and approved respirators to Authorized Visitors to work areas..2 Instruct Authorized Visitors in the use of protective clothing, respirators and procedures..3 Instruct Authorized Visitors in proper procedures to be followed in entering into and exiting from Lead Work Area..1 Notify intended waste disposal facility of lead in waste materials..1 Provide copies of laboratory test results, if requested..2 Complete and submit Contaminants Release Form and any other required paperwork to facilitate disposal..2 Dispose of building materials containing lead and identified as non-leachate toxic (please refer to Section 3.3 below) as solid non-hazardous waste.

19 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 5 OF 9.3 Dispose of building materials containing lead and identified as leachate toxic (Please refer to Section 3.3 below) as hazardous waste. Leachate toxic waste must be transported by a properly licensed carrier to a licensed disposal facility as per the requirements of O. Reg Separate lead-painted and/or lead-containing metals (e.g. solder) from regular waste stream for recycling..5 Dispose of lead materials in accordance with federal, provincial and municipal requirements. 1.9 SCHEDULING.1 Contractor is responsible for scheduling of lead abatement work in order to achieve the desired renovation schedule..2 Co-ordinate with Consultant, Owner, Owner s representatives and other contractors when scheduling work OWNER S INSTRUCTIONS.1 Before beginning Work, provide Owner satisfactory proof that every worker has had instruction and training in hazards of lead exposure, in personal hygiene and work practices, in the use, cleaning, and disposal of respirators and protective clothing..2 Instruction and training related to respirators includes, at minimum:.1 Fitting of equipment..2 Inspection and maintenance of equipment..3 Disinfecting of equipment..4 Limitations of equipment..3 Instruction and training must be provided by competent, qualified person. PART 2 PRODUCTS 2.1 MATERIALS.1 Drop and Enclosure Sheets..1 Polyethylene: 0.15 mm (6 mil) minimum thickness..2 FR polyethylene: 0.15 mm (6 mil) thick woven fibre reinforced fabric bonded both sides with polyethylene..2 Encapsulant approved for use by Consultant..3 Slow drying sealer: non-staining, clear, water-dispersible type that remains tacky on surface for at least 8 hours and designed for purpose of trapping residual lead paint residue..4 Waste Containers:.1 Until it is determined whether the waste is hazardous or not:.1 Contain waste in clean, unused, double thickness, minimum 0.15 mm (6 mil) plastic bags or leak proof drums.

20 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 6 OF 9.2 If the waste is found to be hazardous then in addition to the above specifications:.1 Labelling requirements: affix pre-printed cautionary lead warning, in both official languages, that is visible when ready for removal to disposal or destruction site. PART 3 EXECUTION 3.1 SUPERVISION.1 Minimum of one Supervisor for every ten workers is required..2 Approved Supervisor must remain within Lead Work Area during disturbance, removal, or other handling of lead containing materials. 3.2 PREPARATION AND PROCEDURES.1 Work Area:.1 Before beginning Work, at each access to Lead Work Area, install warning signs with the following information:.1 There is a lead dust, fume or mist hazard..2 Access to the work area is restricted to authorized persons..3 Respirators must be worn in the Work Area..2 Shut off and isolate HVAC system to prevent dust dispersal into other building areas..3 Before beginning Work pre-clean and remove visible dust from fixed casework and equipment surfaces in work area where dust is likely to be disturbed during course of work..1 Use HEPA vacuum, or damp cloths where damp cleaning does not create hazard and is otherwise appropriate..2 Do not use compressed air to clean up or remove dust from any surface..4 Cover fixed casework and equipment with polyethylene sheeting sealed with tape..5 Install negative pressure machine system and operate continuously from installation of polyethylene sheeting until completion of final cleanup. Provide automatic continuous monitoring and recording instrument of pressure difference..6 Seal off openings, corridors, doorways, windows, skylights, ducts, grilles, and diffusers with polyethylene sheeting sealed with tape..7 Build airlocks at entrances and exits from work areas to ensure work areas are always closed off by one curtained doorway when workers enter or exit..8 Maintain emergency and fire exits from work area, or establish alternative exits satisfactory to Authority having jurisdiction. Work Area:.2 Worker Decontamination Enclosure System:.1 Worker Decontamination Enclosure System includes Equipment and Access Room and Clean Room, as follows:.1 Equipment and Access Room: construct between exit and work areas, with two curtained doorways, one to the rest of the suite, and one to work area. Install waste receptor and storage facilities for workers shoes and protective clothing to be re-worn in work areas. Build large enough to accommodate specified

21 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 7 OF 9 facilities, equipment needed, and at least one worker allowing sufficient space to change comfortably..2 Clean Room: construct with curtained doorway to outside of enclosures. Provide lockers or hangers and hooks for workers street clothes and personal belongings. Provide storage for clean protective clothing and respiratory equipment. Install mirror to permit workers to fit respiratory equipment properly..2 Construction of Decontamination Enclosures:.1 Construct framing for enclosures or use existing rooms. Line enclosure with polyethylene and seal with tape, apply two layers of FR polyethylene on floor..2 Construct curtain doorways between enclosures so when people move through or waste containers and equipment are moved through doorway, one of two closures comprising doorway always remains closed..3 Shower room in decontamination facility to be provided with the following:.1 Hot and cold water or water of constant temperature not less than 40 degrees Celsius or more than 50 degrees Celsius..2 Individual controls inside to regulate water flow and temperature..3 Filtration unit for shower drain (to prevent the release of contaminated water)..4 Prior to each shift in which a decontamination facility is being used, a competent person should inspect the facility to ensure that there are no defects that would allow lead-containing dust to escape. Defects should be repaired before the facility is used. The decontamination facility should be maintained in a clean and sanitary condition..3 Separation of Work Areas from Occupied Areas.1 Barriers between Work Area and occupied area to be constructed as follows:.1 Build suitable floor to ceiling lumber or metal stud framing, cover with polyethylene sheeting sealed with tape, and apply 9 mm minimum thick plywood. Seal joints between plywood sheets and between plywood and adjacent materials with surface film forming type sealer, to create airtight barrier..2 Cover plywood barrier with polyethylene sealed with tape, as specified for work areas..4 Maintenance of Enclosures:.1 Maintain enclosures in tidy condition..2 Ensure that barriers and polyethyene linings are effectively sealed and taped. Repair damaged barriers and remedy defects immediately upon discovery..3 Visually inspect enclosures at beginning of each working period..4 Use smoke methods to test effectiveness of barriers when directed by Consultant..3 Complete disturbance or removal or lead-containing materials as required..4 Prevent spread of dust from Lead Work Area using measures appropriate to work to be done..5 Work is subject to visual inspection as well as lead spot check sampling on surfaces. Contamination of surrounding areas indicated by visual inspection or spot check surface samples will require complete enclosure and clean-up of affected areas at no additional cost to the Owner.

22 TYPE 3 OPERATION MAXIMUM PRECAUTIONS PAGE 8 OF WASTE CHARACTERIZATION.1 For paints identified as lead-containing, but not identified positively as to their leachate toxicity, the successful contractor shall contact the consultant to characterize the waste as follows (i.e. if it will be disposed of): 3.4 FINAL CLEAN-UP.1 Collect a representative sample of material from every waste container resulting from the removal process. Each sample must contain at least 50 grams of representative waste material..2 Submit the collected samples under chain of custody to an accredited laboratory for lead analysis and subsequent toxicity characteristic leachate procedure (TCLP) analysis for lead according to the requirements made under O. Reg If the results of analysis are less than 5 milligrams lead per litre (mg/l) in the leachate then the material can be disposed of as a non-hazardous waste..1 Arrange for transportation and disposal of all removed LCM (Please refer to Section 1.8 above)..2 Clean up: 3.5 INSPECTION.1 Frequently during Work and immediately after completion of work, clean up lead containing dust and waste using HEPA vacuum..2 Place lead containing dust and waste in sealed dust tight waste bags or drums. Treat drop sheets and disposable protective clothing as lead waste and wet and fold to contain dust and then place in waste bags..3 Immediately before their removal from Lead Work Area and disposal, clean exterior of each filled waste bag or drum using damp cloths or HEPA vacuum. If using bags, place in second clean waste bag..4 Seal and remove waste from site. Dispose in accordance with requirements of Provincial and Federal authority having jurisdiction. Ensure that dump operator is fully aware of nature of material to be dumped and that guidelines and regulations for lead waste disposal are followed..5 Perform final thorough clean-up of Lead Work Areas and adjacent areas affected by Work using HEPA vacuum..1 The following visual inspections will be completed by the Consultant over the duration of the work. The Contractor is to provide minimum 24 hours notice to the Consultant to arrange for the inspections. Lead Abatement Work shall not proceed until each inspection is completed and approval to proceed is obtained from the Consultant..1 Initial Inspection: following completion of hoarding erection but prior to the commencement of lead paint removal..2 Clearance Inspection: following completion of all removal work and cleaning of all surfaces within the enclosure, but prior to application or sealant or removing hoarding..2 If results of the visual inspection suggest that coatings have not been removed to the extent practicable or that the Work Area has not been adequately cleaned then, repeat steps described in Section 3.4 and any additional direction provided by the Consultant. Re-cleaning shall be at no additional cost to the Client and shall be borne by the Contractor.