b'RUNWAYSYYZ35its emblematic of a brighter future, both forimprove visibility and safety for arriving Toronto Pearson and Canada through theaircraft approaching the hold positions. PHOTO: KEVIN PRENTICEglobal connections and economic activity itThe option used on two exits (D4/D5) has enables. fixtures on one side of the taxiway that are rotated 30 degrees toward oncomingFACTS&FIGURES Eyes on the Horizon aircraft. The other option, locally referred The planning and construction teamsto as the hockey sticks, has the holdProject: Runway Rehabilitationfocused on maximizing longevity andposition angled 30 degrees on one halfLocation: Toronto Pearson Intl Airportdecreasing upkeepof the taxiway toward flight crews. ThisRunway: 06L-24R3 km (1.86 miles) long, 60 m costs for YYZ. Theincreases the visibility of the position from(197 ft.) widewhole runway wasapproximately 75 meters prior to the holdKey Components: New asphalt with checkerboard checkerboarded,position in the original configuration tostructure to deter cracking; LED lighting; upgraded reflecting and cuttingapproximately 500 meters in the angledstop bars; new signageall the concrete jointsconfiguration, says Belanger.Project Scope: 330,000 sq. m. (3.5 million sq. on top of new asphaltIn both cases, airfield designers updatedft.)180,000 sq. m (1.9 million sq. ft.) of runway; to control the cracks150,000 sq. m. (1.6 million sq. ft.) of taxiways & SAM GODDARD fixtures to LEDs and doubled the numberconnectorsand hopefully minimizeof inset lighting fixtures across the holdCost: $80 million future maintenance, explains Sam Goddard,positions. Additionally, the new light fixtures project superintendent with Dufferincan function as solid red or alternatingPartial Funding: Federal Airport Critical Construction.Infrastructure Program yellow, depending on operating conditions. Construction: April 4, 2022Nov. 18, 2022GTAA Senior Project Manager Simon Ho notes that the service life of the substructureSustainability Measures Concrete Used: 39,800 cubic m. (1.4 million and concrete base is 30 years; with properDesigners were driven by the goal ofcubic ft.) maintenance, the asphalt is expected to lastenhancing overall safety while reducing theDesign, Contract Administration & Site eight to 10 years. airports environmental impact. ThroughoutRepresentative: Avia NG Airport Consultantsthe project, crews used energy-efficientGeneral Contractor: Dufferin ConstructionWhile Runway 06L-24R was closed formachinery and equipment and activelyInternal GTAA Teams: Airfield Electrical, Airfield rehabilitation, GTAAs Electrical Group usedMaintenance, Airport Operations, Civil Engineering, the opportunity to install all-new electricallooked for ways to recycle and repurpose materials.Electrical Engineering, Environment & Sustainability, systems and add another electrical ductExecutive Team, Regulatory Programs, Security bank under the runway to provide additionalConcrete from the existing runway wasOperations, Slot Coordination, Stakeholder Relationscapacity and resiliency. In addition, thecrushed on site and repurposed as granularInset Lighting: Eaton Regulatory Team denoted and named thesub-base for the new runway, thus reducingElevated Edge & Approach Lights, Control holding bays on each end of the runway,project waste. Overall, more than 25 millionSystem Software Upgrades, Additional which had not been done previously.kilograms (55 million pounds) of concreteInset Lighting: ADB SAFEGATE Beyond completing its primary pavementwere diverted from landfill sites. AsphaltLand Use, Technical Engineering, work, Dufferin installed new sub drains tomaterial milled off the runway were recycledAeronautical Information: NAV Canada local address drainage issues in the area.and used to build approach roads, which alsooperations; NAV Canada OttawaAll runway lighting on 06L-24R wasreduced the need to truck materials off site. On-Site Concrete Plant: Dufferin Constructionupgraded from incandescent fixturesThe sheer volume of concrete used onCement Powder Supplier: Ashgrove Cementto LEDs, which are brighter and requirethe project added up quickly. An estimatedAsphalt Supplier: Fermar Paving Ltd.less power and maintenance; GTAA also39,800 cubic meters (1.4 million cubic feet)Concrete & Asphalt Aggregate Suppliers: upgraded directional signage and stopof concrete was used to reconstruct theDufferin Aggregates; Drain Brothersbars between the runways to improverunway, the equivalent of 16 football fieldsAsphalt Milling: Roto-Millsafety. Critical aircraft holding positionsor 87,300 square meters (939,689 squareLine Painting: APMIwere redesigned in response to a 2018feet), says Diana Turavani, GTAA manager Transportation Safety Board investigation ofof Airside and Infrastructure Engineering. Demolition: Priestly Demolitionrunway incursions.The concrete mix design includedConcrete Cutting: Basic Concrete CuttingMichael Belanger,recycled materials to reduce theThermoplastic Painting: Hi-LiteGTAA director ofcement content, which reduces energyTack Coats: RoyelAviation Safety,consumption and greenhouse gasGeotechnical Field Work, Quality Regulations andemissions. Cement manufacturing producesAssurance, Material Testing: Golder AssociatesPerformance, notesapproximately 8% of the worlds carbonElectrical Installation: Tristar Electricthat two new conceptsdioxide emissions, so any efforts to reduceJoint Sealing: Roadmasterwere deployed in anthe cement content in concrete mixes has a operational trial toMICHAEL BELANGER positive environmental impact. The concreteKey Benefits: Enhanced safety; reduced maintenance costsAirportImprovement.comOctober 2023'