The project employed 5000 people over the course of its construction delivering 7. Work is progressing on the challenging port mann main water supply tunnel, in vancouver, bc, with the recent completion of the projects south shaft. The works are being carried out by the joint venture. It crosses between maquabeak park in coquitlam on the north side of the river, and surrey on the south side of the. The port mann main water supply tunnel project was initiated by metro vancouver as part of their critical infrastructure network upgrades to replace the existing.
The new port mann water supply tunnel will more than double the capacity of the existing water main, and help. Since a water tunnel is a very specialized piece of equip ment, and is not commercially available, therefore, proposal was made by dr. Metro vancouver also regulates air quality, plans for urban growth, manages a regional parks system and provides affordable housing. A new underground water tunnel connects north shore reservoirs to communities south of the fraser. A replacement water supply tunnel in vancouver, british columbia was constructed through soil, deep underneath the riverbed. Throughout its history, settlement in the san fernando valley usually called simply the valley was.
The port mann main water supply tunnel increased metro vancouvers capacity to accommodate future regional growth while also improving overall system reliability. Construction on the port mann water supply tunnel is nearing completion. In particular, the technical elements such as the production, testing and selection of the steel for the pipe and the tunnel s depth of. An unexpected water inflow of 1500 usgpm interrupted underwater tunnel construction for a hydroelectric expansion project when an open fracture was encountered that flooded the face of the tunnel and suspended further work until this highvolume inflow could be stopped. Tender briefing agenda canadian consulting engineer. Vancouver news1 theres a new tunnel under the port mann bridge, but you cant drive through it. Tbm tunnelling complete on canadas port mann tunnel. Port mannhighway 1 improvement project partnerships bc. A joint venture of mcnally international and aecon. The project is part of the port mann water supply tunnel read the pdf factsheet from what i understand the numerous pipelines gas,oil, water,communications under the river at this point have had issues with the river exposing them, which places large stesses upon them. Port mann main water supply tunnel ground freezing the. As of june 2010, the information in this published version of the bc major projects inventory is prepared by rene. For those of you that dont yet know, the port mann water supply tunnel went into service yesterday and is now delivering potable water to the municipalities south of the fraser river.
Now crews are installing the steel pipe which will line the one kilometer long tunnel. The project utilizes a pressurizedface tunnel boring machine tbm to tunnel through soil approximately 50 metres below sea level. The new tunnel is west of the new port mann bridge, 60 metres below the river bed, and 80 metres long. Port mannhighway 1 improvement project project details.
Any construction mistakes made when drilling under the river to lay pipe could threaten the critical port mann water supply tunnel that delivers water to communities south of the fraser river. Metro vancouver is a federation of 21 municipalities, one electoral area and one treaty first nation that collaboratively plans for and delivers regionalscale services. The port mannhighway 1 improvement projects onshore works improved 37 kilometres of transcanada highway 1 between vancouver and langley, b. Tunnelling for the new port mann water main deep below the fraser river is now complete, and the massive tunnel boring machine, named squirrel, was removed from the river on july 17. Port mann water supply tunnel about this project in 2006, to replace an existing, almost 40yearold water main, metro vancouver broke ground on a brandnew tunnel to move fresh drinking water across the fraser river between coquitlam and surrey, bc. Port mann water supply tunnel tunnel tour on vimeo. The project includes a new port mann bridge, widening of highway 1, upgrading interchanges and improving access and safety on highway 1 from the mcgill street interchange in vancouver to 216th street in langley, a distance of approximately 37 kilometres. Port mann water supply tunnel under fraser river now in service back to video. Report reveals trans mountain pipeline faces bigger.
Port mann water supply tunnel ballard marine construction. I want to thank all of you and your staff for helping the greater vancouver water district achieve this major infrastructure milestone. The port mann main water supply tunnel project provides a critical water main crossing of the fraser river for the owner, greater vancouver water district metro. Second narrows water supply tunnel jul 8, 2019, 12. It often excludes cargo awaiting shipment on a wharf or on ships after 15 days of arrival in port. Golder associates honored for innovative projects in. Award of excellence port mann highway 1 improvements. Mcnally international, a subsidiary of weeks marine, inc.
Chicago lake tunnel extended 10,587 feet under lake michigan to an inlet crib. I want to thank all of you and your staff for helping the greater vancouver water. Jul 20, 2015 tunnelling for the new port mann water main deep below the fraser river is now complete, and the massive tunnel boring machine, named squirrel, was removed from the river on july 17. The port mann main water supply tunnel involves a 1km long tunnel beneath the fraser river from surrey to coquitlam, bc. Mwra turned on the metrowest water supply tunnel in november 2003. It consists of two parallel tunnels one in each direction that travel beneath biscayne bay, connecting the macarthur causeway on watson island with portmiami on dodge island. A crucial piece of the new port mann water supply tunnel will be the concrete tunnel liners. Port mann water supply tunnel, british columbia water. The metrowest water supply tunnel mwwst is an advanced underground aqueduct that supplies potable water to residents of much of greater boston. Port mann main water supply tunnel mcmillen jacobs associates. Future proofing a water supply for a growing community. The port mann water supply tunnel is a onekilometre long tunnel under the fraser river that carries water from the.
Ausencos vp project delivery ron douglas comments on these topi. The project consists of two 60metredeep slurry panel shafts and a 1kilometrelong, 3. The second narrows water supply tunnel follows on the completion of the port mann water supply tunnel in a series of seismic and marine upgrades being carried out by metro vancouver in the lower mainland of vancouver, bc. Metro, and describes the shaft and adit construction in a dense urban setting and the tieback removal process. Port mann main water supply tunnel project 76 safety message by mike archambault onward and upward eglinton crosstown lrt project lighting the way spotlight on tristar electric inc. Feb 25, 2015 as the tunnel boring machine moves from the south side under the fraser river in surrey to the north side in coquitlam, crews prepare for its arrival with the construction of a vertical shaft. Port mann water supply tunnel2017 schreyer award winner. Water supply tunnel construction management contract. The port mann water supply tunnel project is underway. Mcnally has been successfully completing projects since the company was formed in 1949 and has grown to be a north american leader in the tunnel. Water inflow recovery in a tunnel construction project. The port mann main water supply tunnel project provides a critical water main crossing of the fraser river for the owner, greater vancouver water district metro vancouver. The project included construction of a 1,006meterlong 3,300ft tunnel under the fraser river between coquitlam and surrey in british columbia, canada. This new, larger water main helps ensure the continued, reliable delivery of.
Until now, mwra has relied on a single 1940sera surface aqueduct, the hultman aqueduct, to serve all of metro boston. No reinforcing steel was used to minimize demand on the permanent shaft during an earthquake. Tunnel design criteria common design guidelines 2015 c26. Hemmera, an ausenco company, provides expertise in environmental sciences, social sciences and engineering. Modern concepts of the design of tunnel support systems during excavation, most of the existing stresses in the ground are redistributed around the opening by mobilization of the strength of the soil or rock. Different methods of tunnel construction and their details are discussed. The port of miami tunnel also state road 887 is a 4,200 feet 1,300 m bored, undersea tunnel in miami, florida. The precast segmentally lined tunnel will span from surrey on the south side of the river, and maquabeak park in coquitlam on the north side of the river. Located in an environmentally sensitive area, the project overcame a number of geotechnical challenges. We offer comprehensive services for developing water conveyance systems, including planning, design and construction management. Tim langmaid british columbia construction roundtable. After a long and technically challenging tbm drive, mcnallyaecon jv majv have completed tunnelling for the port mann water supply tunnel, in vancouver, british columbia, canada. The ring of concrete columns is completed and a clamshell bucket removes.
The port mann tunnel is already in service, the second narrows tunnel is under construction, and the cambierichmond and haney water supply tunnels are in the works. Top 10 water projects in bidding construction stage in western canada. Port mann water supply tunnel, british columbia water technology. It also applies to cutandcover excavations connected to ongoing underground construction as well as those that create conditions characteristic of underground construction. Port mann main water supply tunnel british columbia. Work begins on second narrows water tunnel burnaby now. Port mann water supply tunnel pacific international. The port mann water supply tunnel is a complex project, requiring commercial divers to descend inside the shaft, working in blackness, performing difficult work in challenging conditions. The sustainable region episode 6 2017 building the port. Nov 20, 2015 the new port mann water supply tunnel is a one kilometre pipeline, which was completed earlier this year. At depths of up to 60 m below ground, the earth pressure reached 6 bar.
The new tunnel greatly enhances the security, capacity and reliability of mwras entire water transmission system. Metro vancouvers existing port mann water main crossing, which was constructed in a trench under bcs fraser river, required replacement to address seismic and scour issues and to meet future potable water demand. Port mann water supply tunneling an inch off target. Background the current gvwd long range plan has identified the need to commence construction of a new water main across the fraser river at port mann by 2007.
The tunnel is constructed using an epb tbm and gasketed precast concrete segmental liner. Port mann tunnel project north shaft concrete pour youtube. This new crossing will replace the existing crossing as well as provide increased capacity to meet future demand. The osha underground construction regulation 29 cfr 1926. Metro recently built a similar tunnel under the fraser river along the port mann bridge and another project is underway to replace some of the water. The project was built by the joint venture of mcnally and aecon, with hatch mott. A tunnel construction is an underground passage provided beneath earth surface or water.
History of the san fernando valley wikipedia republished. Construction of high level water treatment plant at kigoro and the water transmission pipelines to nairobi city of capacity of 140,000m3day construction of muranga and kiambu county community water supply projects to ensure water supply to host communities is also improved. The port mann water supply tunnel was constructed by metro vancouver, under the fraser river, the largest river in british columbia, canada. It is the longest road tunnel in an urban area in europe. Ausencos team introduced many industry firsts designing the new shafts and tunnel, situated in liquefiable soils. It is part of the massachusetts water resources authority mwra water supply system, having entered operation in november 2003. Sep 17, 2012 port mann water main supply building a tunnel under the fraser river from coquitlam to surrey september 1 2012 bcnewsvideo. Herbich in january 1966 to the national science founda tion to construct a water tunnel with a 4inchdiameter test section. Shaft diving for the port mann water supply tunnel, in. It is excluded from standard ocean marine insurance and can be purchased separately. Port mann water supply tunnel2017 schreyer award winner we were impressed with the projects innovative and complex engineering. Surrey interceptor near grace road and under the port mann bridge. Award winning water tunnel able to withstand a 1 in 10,000yr. The port mann water supply tunnel is a complex project, requiring commercial divers to descend inside the shaft, working in blackness, performing difficult work port mann water supply tunnel diver on vimeo.
At the finish line update on regina wastewater treatment plant upgrade features 14 22 44 60 one is a magazine published by aecon group inc. The port mann bridge is a 10lane cablestayed bridge that opened to traffic in 2012. Work begins on second narrows water tunnel north shore news. See how these customdesigned sections are made, and find out how they. It will deliver water from coquitlam to municipalities south of the fraser river. The port mann main water supply tunnel project was initiated by metro vancouver as part of their critical infrastructure network upgrades to replace the existing pipeline constructed in the early 1970s. Dublin port tunnel dublin port tunnel is the largest ever civil engineering project in ireland. Tunnelling complete in fraser river for port mann water. Travel characteristics of traffic on the highway 1 corridor pdf. Water damage insurance coverage protection provided in most homeowners insurance policies against sudden and accidental water damage, from burst pipes for example. Posts about chicago lake tunnel written by safedrinkingwaterdotcom. Annacis water supply tunnel fact sheet february 2019. Construction of the port mann supply tunnel all systems go for the second narrows crossing malcolmpetrifond constructed the slurry walls for the north shaft of the second narrows water supply tunnel, from which the tbm is due to launch in may this year.
A major stage in metro vancouvers project to double the capacity of water to surrey is now complete chair of metro vancouver greg moore says the tunnel boring work 30 meters below the fraser river bed through bed rock is done. The tunnel is earthquakeresistant and located just downstream of the new port mann bridge and upgraded transcanada highway. The facility features roughly 21 miles of deep effluent tunnel and 7 miles of influent lines, micro tunnels and. The second narrows tunnel plan was floated in 2005 but detailed designs werent completed until 2015. Ensuring reliable delivery of drinking water for metro vancouver, the project includes construction of seismic standard shafts, one on each side of burrard inlet, connected by a 1,100metre tunnel. Metro vancouver is constructing a new water supply main under the fraser river, just downstream of the port mann bridge. Tania leil obrien joins ausenco as chief marketing officer. Construction of the project began in june 2011 and is anticipated to be completed in the fourth quarter of 2016.
The diagram below shows the relationship between these underground structures in a typical mountain tunnel. Its core services are drinking water, wastewater treatment and solid waste management. Apr 24, 2014 the port mann main water supply tunnel is a challenging project crossing under the fraser river. Sinking of the deep north and south shafts is now completed. Port mann water tunnel, vancouver, canada epb tunnelling at high pressures steve skelhorn project sponsor, mcnally construction inc. Learn how this ambitious project has improved our drinking water the sustainable region episode 6 2017 building the port mann water supply tunnel on vimeo. The proposal was approved in 1967 and the design and construction was. For the port mann water supply tunnel, golder and the multidisciplinary, multicompany project team designed a 1 km long, 3. Vinci parsons frontier kemper jv to help meet growing demands in the puget sound region the brightwater tunnel was built in support of the new regional wastewater treatment plant and conveyance system.
Gant, metro vancouver, burnaby, bc, canada after more than a decade of planning, design, and construction, the port mann water supply tunnel was successfully brought into service in early 2017. Hatch provided construction management for the port mann water supply tunnel which is a critical part of the vancouver lower mainlands water delivery. Dave is hmms project director for the port mann main water supply tunnel. With a 24yearlong career specializing in tunnels and trenchless technology, dave has experience in all phases of project delivery from planning and investigation to design, as well as program and construction management. In addition to conveyance tunnels, our experience includes pipelines, pump stations, flow control facilities, shafts and special structures related to water and wastewater conveyance. Brightwater central tunnel ballard marine construction. To mitigate a risk of water supply disruption after an earthquake, the greater vancouver water district. Caterpillar epbm successfully completed the crossing on thursday june 25, reaching the shaft on the north shore of the fraser river.
First narrows and port mann water supply crossings seismic. Developed project specific hyperbaric saturation operations manual. The project originally envisioned twinning the port mann bridge by building a second. The port mann main water supply tunnel is a challenging project crossing under the fraser river. Metro vancouver, through the greater vancouver water district and the. Tbm tunnelling complete on canadas port mann tunnel the. In most of the cases tunnel construction is expensive but it saves time and provides comfort.