Renfrew Victoria Hospital ASPHALT TACK COATS Section Professional Building Page 1 Albert Street

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1 Renfrew Victoria Hospital ASPHALT TACK COATS Section Professional Building Page 1 PART 1 - GENERAL 1.1 SECTION INCLUDES.1 Materials and application of asphalt tack coat to an existing asphalt or concrete surface prior to asphalt paving. 1.2 REFERENCES.1 American Society for Testing and Materials International, (ASTM).1 ASTM D , Standard Practice for Sampling Bituminous Materials..2 Canadian General Standards Board (CGSB).1 CAN/CGSB-16.2-M89, Emulsified Asphalts, Anionic Type, for Road Purposes. PART 2 - PRODUCTS 2.1 MATERIALS.1 Anionic emulsified asphalt: to CAN/CGSB-16.2, grade: SS-1..2 Water: clean, potable, free from foreign matter. 2.2 EQUIPMENT.1 Pressure distributor to be:.1 Designed, equipped, maintained and operated so that asphalt material can be:.1 Maintained at even temperature..2 Applied uniformly on variable widths of surface up to 5 m..3 Applied at readily determined and controlled rates from 0.2 to 5.4 L/m uniform pressure, and with an allowable variation from any specified rate not exceeding 0.1 L/m²..4 Distributed in uniform spray without atomization at temperature required..2 Equipped with meter, registering metres of travel per minute, visibly located to enable truck driver to maintain constant speed required for application at specified rate..3 Equipped with pump having flow meter graduated in units of 5 L or less per minute passing through nozzles and readily visible to operator. Pump power unit to be independent of truck power unit..4 Equipped with an easily read, accurate and sensitive device which registers temperature of liquid in reservoir..5 Equipped with accurate volume measuring device or calibrated tank..6 Equipped with nozzles of same make and dimensions, adjustable for fan width and orientation..7 Equipped with nozzle spray bar, with operational height adjustment..8 Cleaned if previously used with incompatible asphalt material.

2 Renfrew Victoria Hospital ASPHALT TACK COATS Section Professional Building Page 2 PART 3 - EXECUTION 3.1 APPLICATION.1 Apply asphalt tack coat only on clean and dry surface..2 Dilute asphalt emulsion with water at 1:1 ratio for application..1 Mix thoroughly by pumping or other method approved by Consultant..3 Apply asphalt tack coat evenly to pavement surface at rate not to exceed 0.7L/m²..4 Paint contact surfaces of curbs, gutters, headers, manholes and like structures with thin, uniform coat of asphalt tack coat material..5 Do not apply asphalt tack coat when air temperature is less than 10 C or when rain is forecast within 2 hours of application..6 Apply asphalt tack coat only on unfrozen surface..7 Evenly distribute localized excessive deposits of tack coat by brooming..8 Where traffic is to be maintained, treat no more than one half of width of surface in one application..9 Keep traffic off tacked areas until asphalt tack coat has set..10 Re-tack contaminated or disturbed areas..11 Permit asphalt tack coat to set before placing asphalt pavement. END OF SECTION

3 Renfrew Victoria Hospital HOT MIX ASPHALT Section Professional Building CONCRETE PAVING Page 1 PART 1 - GENERAL 1.1 SECTION INCLUDES.1 Materials and installation for asphalt concrete pavement for car park areas, driveways to buildings, bikeways and walks or play areas. 1.2 RELATED SECTIONS.1 Section Submittals..2 Section Quality Control..3 Section Asphalt Tack Coat. 1.3 REFERENCES.1 Ontario Provincial Standard Specifications. 1.4 SUBMITTALS.1 Submit product data in accordance with Section Submittals..2 Submit asphalt concrete mix design and trial mix test results to Consultant for review. PART 2 - PRODUCTS 2.1 MATERIALS.1 Geotextile: woven Terrafix 200W or Mirafi HP270 equivalent or better..2 Granular base (Granular A) and sub-base (Granular B Type II) material: to Ontario Provincial Standards Section Hot Mix per OPSS Surface course HL4 (PG58-34)..5 Binder course - HL8 (PG58-34). 2.2 EQUIPMENT.1 Pavers: mechanical self-powered pavers capable of spreading mix within specified tolerances, true to line, grade and crown indicated..2 Rollers: sufficient number of rollers of type and weight to obtain specified density of compacted mix..3 Vibratory rollers for parking lots and driveways:.1 Minimum drum diameter: 750 mm..2 Maximum amplitude of vibration (machine setting): 0.5 mm for lifts less than 40 mm thick..4 Haul trucks: of sufficient number and of adequate size, speed and condition to ensure orderly and continuous operation and as follows:.1 Boxes with tight metal bottoms..2 Covers of sufficient size and weight to completely cover and protect asphalt mix when truck fully loaded..3 In cool weather or for long hauls, insulate entire contact area of each truck box..5 Suitable hand tools.

4 Renfrew Victoria Hospital HOT MIX ASPHALT Section Professional Building CONCRETE PAVING Page MIX DESIGN.1 Mix design to AI MS-2. PART 3 - EXECUTION 3.1 SUBGRADE SURFACE PREPARATION AND INSPECTION.1 Subexcavate all topsoil, earth fill, organics, organic-bearing materials and other deleterious materials from the planned pavement areas to the depths required to place the recommended pavement structures up to final grade..2 Proof roll the exposed subgrade surface with a heavy roller to reveal any possible overly soft or wet areas. Any deleterious areas thus delineated should be replaced with granular material compacted to a minimum of 98% of its Standard Proctor Maximum Dry Density..3 Place woven geotextile equivalent or better than Terrafix 200W or Mirafi HP270 over the exposed and approved pavement subgrade surface, in accordance with manufacturer s specifications..4 Verify grades of subgrade drains and other items set in paving area for conformity with elevations and sections before placing granular base and sub-base material..5 Obtain approval of subgrade by Consultant before placing granular sub-base and base. 3.2 GRANULAR SUB-BASE AND GRANULAR BASE.1 Place granular base and sub-base material on clean unfrozen surface, free from snow and ice..2 Place granular base and sub-base to compacted thicknesses as indicated. Do not place frozen material..3 Place in layers not exceeding 150 mm compacted thickness. Compact to density not less than 100% respective Standard Proctor Maximum Dry Density..4 Finished base surface to be within 10 mm of specified grade, but not uniformly high or low. 3.3 ASPHALT TACK COAT.1 In accordance with Section Asphalt Tack Coats. 3.4 PLANT AND MIXING REQUIREMENTS.1 In accordance with ASTM D ASPHALT CONCRETE PAVING.1 Obtain approval of tack coat base and primer before placing asphalt mix..2 Place asphalt mix only when base or previous course is dry and air temperature is above 5 C..3 Place asphalt concrete in compacted layers not exceeding 50 mm.

5 Renfrew Victoria Hospital HOT MIX ASPHALT Section Professional Building CONCRETE PAVING Page 3.4 Minimum 135 C mix temperature required when spreading..5 Maximum 160 C mix temperature permitted at any time..6 Compact each course with roller as soon as it can support roller weight without undue cracking or displacement..7 Compact parking lot and driveway asphalt concrete to density not less than 95% of density obtained with Marshall specimens prepared in accordance with ASTM D 1559 from samples of mix being used. Roll until roller marks are eliminated..8 Keep roller speed slow enough to avoid mix displacement and do not stop roller on fresh pavement..9 Moisten roller wheels with water to prevent pick up of material..10 Compact mix with hot tampers or other equipment approved by Consultant, in areas inaccessible to roller..11 Finish surface to be within 10 mm of design elevation and with no irregularities greater than 10 mm in 4.5 m..12 Repair areas showing checking, rippling or segregation as directed by Consultant. 3.6 JOINTS.1 Remove surplus material from surface of previously laid strip. Do not deposit on surface of freshly laid strip..2 Paint contact surfaces of existing structures such as manholes, curbs or gutters with bituminous material prior to placing adjacent pavement..3 For cold joints, cut back to full depth vertical face and tack face with hot asphalt..4 For longitudinal joints, overlap previously laid strip with spreader by 25 to 50 mm. 3.7 TESTING.1 Inspection and testing of asphalt pavement will be carried out by designated testing laboratory. Compaction results every 20 m and gradation testing 1 set of results per day for compliance with mix design. 3.8 PROTECTION.1 Keep vehicular traffic off newly paved areas until paving surface temperature has cooled below 38 C. Do not permit stationary loads on pavement until 24 hours after placement..2 Provide access to buildings as required. Arrange paving schedule so as not to interfere with normal use of premises. END OF SECTION

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7 Renfrew Victoria Hospital CONCRETE WALKS AND CURBS Section Professional Building Page 1 PART 1 - GENERAL 1.1 REFERENCES.1 American Society for Testing and Materials International (ASTM).1 ASTM C , Standard Test Method for Materials Finer than mm (No. 200) Sieve in Mineral Aggregates by Washing..2 ASTM C , Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates..3 ASTM D (2001), Standard Specification for Boiled Linseed Oil..4 ASTM D ae1, Standard Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400ftlbf/ft³) (600 kn-m/m³)..2 Canadian General Standards Board (CGSB).1 CAN/CGSB (March 2004), Kerosene, Amend. No. 1, National Standard of Canada..2 CAN/CGSB , Sieves, Testing, Woven Wire, Inch Series..3 Canadian Standards Association (CSA International).1 CSA-A /A , Concrete Materials and Methods of Concrete Construction/Methods of Test and Standard Practices for Concrete. PART 2 - PRODUCTS 2.1 MATERIALS.1 Concrete mixes and materials: in accordance with Section Cast-in-Place Concrete..2 Joint filler and Curing Compound: in accordance with Section Cast-in-Place Concrete..3 Granular base: material to OPSS 1010 and following requirements:.1 Granular A..4 Non-staining mineral type form release agent: chemically active release agents containing compounds that react with free lime to provide water-soluble soap..5 Non-staining mineral type form release agent: chemically active release agent. Containing components that react with free lime to provide water soluble soap. PART 3 - EXECUTION 3.1 GRADE PREPARATION.1 Do grade preparation work in accordance with Section Excavating, Trenching and Backfilling..2 When constructing embankment provide for minimum 1 m shoulders, where applicable, outside of neat lines of concrete..3 Place fill in maximum 150 mm layers and compact to at least 98% of maximum dry density to ASTM D 698.

8 Renfrew Victoria Hospital CONCRETE WALKS AND CURBS Section Professional Building Page GRANULAR BASE.1 Obtain Consultant's approval of subgrade before placing granular base..2 Place granular base material to lines, widths, and depths as indicated..3 Compact granular base in maximum 150 mm layers to at least 98% of maximum density to ASTM D CONCRETE.1 Obtain Consultant's approval of granular base prior to placing concrete..2 Do concrete work in accordance with Section Cast-in- Place Concrete..3 Immediately after floating, give sidewalk surface uniform broom finish to produce regular corrugations not exceeding 2 mm deep, by drawing broom in direction normal to centre line..4 Provide edging as indicated with 10 mm radius edging tool. 3.4 TOLERANCES.1 Finish surfaces to within 3 mm in 3 m as measured with 3 m straightedge placed on surface. 3.5 EXPANSION AND CONTRACTION JOINTS.1 Install expansion joints at intervals of 6 m..2 When sidewalk is adjacent to curb, make joints of curb, gutters and sidewalk coincide. 3.6 ISOLATION JOINTS.1 Install isolation joints around manholes and catch basins and along length adjacent to concrete curbs, catch basins, buildings, or permanent structure..2 Install joint filler in isolation joints in accordance with Section Cast-in-Place Concrete..3 Seal isolation joints with sealant. 3.7 CURING.1 Cure concrete by adding moisture continuously in accordance with CSA-A23.1/A23.2 to exposed finished surfaces for at least 1 day after placing, or sealing moisture in by curing compound as directed by Consultant..2 Where burlap is used for moist curing, place two prewetted layers on concrete surface and keep continuously wet during curing period..3 Apply curing compound evenly to form continuous film, in accordance with manufacturer's requirements. 3.8 BACKFILL.1 Allow concrete to cure for 7 days prior to backfilling.

9 Renfrew Victoria Hospital CONCRETE WALKS AND CURBS Section Professional Building Page CLEANING.1 On completion and verification of performance of installation, remove surplus materials, excess materials, rubbish, tools and equipment. END OF SECTION

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11 Renfrew Victoria Hospital PAVEMENT MARKINGS Section Professional Building Page 1 PART 1 - GENERAL 1.1 REFERENCES.1 CAN/CGSB-1.5-M91, Low Flash Petroleum Spirits Thinner..2 CGSB 1-GP-12c-68, Standard Paint Colours..3 CGSB 1-GP-71-83, Method, of Testing Paints and Pigments..4 CGSB 1-GP-74M-79, Paint, Traffic, Alkyd. PART 2 PRODUCTS 2.1 MATERIAL.1 Paint:.1 To CGSB 1-GP-74M, alkyd traffic paint..2 Colour: white, to CGSB..3 Upon request, Consultant will supply a qualified product list of paints applicable to work. Qualified paints may be used but Consultant reserves right to perform further tests..2 Thinner: to CAN/CGSB-1.5. PART 3 - EXECUTION 3.1 SAMPLES.1 Prior to application submit to Consultant for approval zone and traffic markings:.1 barrier-free parking bay.2 visitor parking bay.3 pedestrian walkway.4 direction arrows 3.2 EQUIPMENT.1 Paint applicator to be an approved pressure type mobile distributor REQUIREMENTS capable of applying paint in single, double and dashed lines. Applicator to be capable of applying marking components uniformly, at rates specified, and to dimensions as indicated, and to have positive shut-off. 3.3 CONDITION.1 Pavement surface to be dry, free from ponded water, frost, ice, dust, oil, OF SURFACES grease, and other foreign materials. 3.4 APPLICATION.1 Lay out pavement markings..2 Unless otherwise approved by Consultant, apply paint only when air temperature is above 10 C, wind speed is less than 60 km/h and no rain is forecast within next 4 h..3 Apply traffic paint evenly at rate of 3m 2 /L..4 Do not thin paint unless approved by Consultant..5 Symbols and letters to conform to dimensions indicated.

12 Renfrew Victoria Hospital PAVEMENT MARKINGS Section Professional Building Page 2.6 Paint lines to be of uniform colour and density with sharp edges..7 Thoroughly clean distributor tank before refilling with paint of different colour. 3.5 TOLERANCE.1 Paint markings to be within plus or minus 12mm of dimensions indicated. 3.6 PROTECTION OF.1 Protect pavement markings until dry. COMPLETED WORK END OF SECTION