PROJECT SHEET A1/A6 ROAD ENLARGEMENT, NETHERLANDS WIDENING / MOVING OF THE DIEMEN - ALMERE MOTORWAY

INTRODUCTION FEATURES The A1/A6 project is one of the five Client Rijkswaterstaat (Dutch Directorate sub-projects for Rijkswaterstaat that are included General for Public Works and Water in the upgrading of the road network linking Management) Schiphol Airport, Amsterdam, and Almere (SAA). The total length of the SAA link is Location Diemen - Almere Havendreef 40 kilometers. Boskalis, together with partners Period December 2013 to mid-2017 VolkerWessels and Hochtief, is responsible for (followed by maintenance contract the section from the Diemen intersection to for 25 years) Almere, a distance of approximately 23 kilometers. Minister Schultz van Haegen (of Contractor SAAone consortium (Boskalis, Volker- Infrastructure and the Environment) gave the Wessels, Hochtief and DIF) green light in December 2013, bringing to an Type of contract DBFM end a long period of preparations and signaling (Design, Build, Finance, Maintain) the start of the project.

THE WORK The enlargement of the A1/A6 involves the reconstruction and widening of this section of the motorway. The A1 and the A6 between the Diemen intersection and the Hollandse Brug will become a road with 2x5 lanes. The A6 from the Hollandse Brug to the Hoge Ring near Almere will be 4x2 lanes. Reversible lanes will also be built on the entire A1/A6 section. The enlargement of the A1/A6 will also involve the construction of a permanent bypass at the A Diemen intersection from the A9 to the A1. SAAone will build a total of 70 new engineering A Artist’s impression of A1 after reconstruction, with road bridge and local bridge. structures, including the cantilever bridge B Artist’s impression of the future A1 exit with the new railway bridge.

B 09 — 2014 The information contained in this data sheet is for guidance purposes only and may be subject to changes. © Boskalis. All rights reserved. Number of engineering structures: financing meansthattheinterestcostsfor The factthatSAAoneisresponsibleforthe SPEED how fastfinancingwasarranged. they wereimpressedby, amongotherthings, inprojectfinancingsaid experts international Road DealoftheYear of 2013’.Thejury declaredtheproject‘EuropeanInternational infrastructure. ThemagazineProjectFinance period of25yearsthenewandexisting as themanagementandmaintenancefora design, theexecutionandfinancing,aswell Boskalis shareis30%.Theprojectincludesthe contract sumismorethanEUR1billion,andthe Maintain) contractintheSAAprogram.The This isthefirstDBFM(Design,Build,Finance, TYPE OFCONTRACT 25 years. mid-2017, SAAonewillmaintaintheworkfor completion oftheconstructionstagein lanesisthewidestinEurope.After fourteen aqueduct thattakestheRiverVecht across Muiden asthemosteye-catchingfeatures.The the Gooimeerandnewaqueductnear doubling oftheHollandseBrugbridgeacross crossing theAmsterdam-RhineCanal, Sand deliveries: Length: QUANTITIES C 70, including a65-meter-wide bridge speed of 100,000 m of speed 9,000,000 m 23 kilometers 3 (deliveredatarecord 3 aweek) settlement. Geotextileisbeingappliedtosafeguardthestabilityoffill. drainageneeded to acceleratedelivering andinstallingthevertical consistsofaweakpeatlayersixmeters thick. Boskalisisthe subsurface intheNetherlands.BetweenMuidenandWeesp,most difficultsubsurfaces oftheroute crossesoneoftheOne ofthechallengesisfactthatapart CHALLENGES millioncubicmetersproducesamillimeterofwear.this pipelineandevery design. Atotalof4.5millioncubicmeterssandwillbepumpedthrough structureslikethis,thisprojectrequiresa special,extraheavy-duty gantry be neededforapproximately14months.AlthoughBoskalisoftenuses sections: onemeasuring50metersand25meters.Itwill consistsoftwo ofanhouratnight.Thegantry A1 wasclosedforquarter 2014.Towas installedinmid-January completethatoperationsafely, the wasproducedforthecrossingandit that crossestheA1.Aspecialgantry unitRhenuswilldelivertheotherhalfthroughapipelineearth-pumping to theprojectareabytruckfromfivedischargelocations.The area.Roughlyhalfwillbetakenmainly fromtheIJsselmeer/Markermeer More thanninemillioncubicmetersofsandareneededanditcomes SAND DELIVERIES 150,000 -200,000m Sand deliveriesfortheprojectachievedarecordof balanced designthatcompliedwiththetimelimitsforconstruction. Boskaliswasabletoproduceasound geo-engineeringexpertise, the sanddeliveriesandreductionofsettlementtimes.Drawingonour time wasthekeytosuccess.Theleadingfactorsherewerespeedof project increasethelongerworklasts.Sominimizingconstruction WIDENING /MOVINGOFTHEDIEMEN-ALMEREMOTORWAY A1/A6 ROADENLARGEMENT, NETHERLANDS crossing. C installed in mid-January 2014,wasproducedforthe installed inmid-January crosses theA1motorway. Aspecialgantry, whichwas To thesandtorightlocation,apipeline transport 3 aweek. www.boskalis.com [email protected] F +317869555 T +317869000 The Netherlands 3350 AAPapendrecht PO Box43 Royal BoskalisWestminster N.V.