annacis water spply tnnl project project overvie...water annacis water spply tnnl project proposed...

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ANNACIS WATER SUPPLY TUNNEL PROJECT

Project OverviewTo meet the growing demand for drinking water in the region, Metro Vancouver is planning to construct a major water infrastructure project called the Annacis Water Supply Tunnel Project deep under the Fraser River, between the City of New Westminster and the City of Surrey.

The tunnel will be one of five new water supply tunnel crossings in the region built to withstand a major earthquake.

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CITY OFNEW WESTMINSTER

CITY OF SURREY

ANNACIS ISLAND

FRASER SURREY DOCKS

North Shaft

Annacis Water Supply Tunnel

South Shaft

ANNACIS WATER SUPPLY TUNNEL ALIGNMENT

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Project ActivitiesThis new water supply tunnel will be excavated deep underground using a tunnel-boring machine. The tunnel-boring machine will launch from a vertical entry shaft on the Surrey side and progress north under the Fraser River to the vertical exit shaft on the New Westminster side.

Once the tunnel is drilled, a steel water main will be installed inside the new shafts and tunnel and connected to underground valve chambers at each shaft site, connecting it to the region’s drinking water system.

The new tunnel will increase the capacity of the existing system to help ensure the continued, reliable delivery of clean, safe drinking water in a growing region, and will be designed to meet current seismic standards.

Project Timeline

2016 SUMMER

2017 SUMMER

2019 JAN

2020 SUMMER

2025 SUMMER

Preliminary design

Detailed design

Start of construction

Construction completion and greenspace opening

WEAREHERE

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Construction Activities

HOW BIG ARE THE WATER MAINS?There are all different sizes of water mains in our region’s distribution system. The water main being installed for this project inside the new tunnel is approximately 2.6 m (~8.5') in diameter.

A Tunnel Boring Machine will be used to excavate the new water supply tunnel

Water main installation through the shaft Pipe installation inside underground valve chamber

Water Main inside Water

Supply Tunnel 2.6 m

(approximately 8.5')

Person Height 1.8 m(approximately 6')

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CROSS-SECTION OF THE ANNACIS WATER SUPPLY TUNNEL

Steel water main within tunnel (2.3 km long)

South (entry) shaft and valve chamber

North (exit) shaft and valve chamber

NEW WESTMINSTER SURREY

Fraser River

50 m deep

50-60 m deep

45-50 m deep

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CITY OF NEW WESTMINSTER

EXIT SHAFT LOCATION

1031 Quebec Street

Tunnel Exit Shaft Site Location

ANNACIS WATER SUPPLY TUNNEL

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Proposed GreenspaceAfter construction of the new Annacis Water Supply Tunnel, the north shaft site in New Westminster, located at 1031 Quebec Street, will become a greenspace area that residents can utilize. The intention of the space is to maximize greenspace in what will become a densely populated area in the New Westminster core and to add usable, functional space for residents.

Park edges include lush vegetation and seating.

On-site stormwater catchment and treatment.

Perspective view in the park.

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Proposed Greenspace Plan

Future streetscaping on Auckland- Planting, Sidewalk & Parallel Parking

Tiered Seat Walls

Screen Planting

Access Hatch

Central Lawn

Long Bench

Bio-Swale & Trees

Primary Service Access

Secondary Service Access

Access Hatches (x4)

Stone Pavers

Stone Paver Channel

Street angle view of the park (view from the north at Auckland and 11th Street, looking toward Quebec Street)

OVERVIEW OF THE PROPOSED GREENSPACE IN NEW WESTMINSTER

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Greenspace Design Principles

Beneficial SpeciesBirds, insects and pollinators will be supported and encouraged throughout the greenspace with the introduction of native plant species that provide food, forage and habitat.

Functional LandscapeThe greenspace will function as both a utility for the water network beneath its surface and an attractive magnet for the neighbourhood, drawing residents of all ages to the site to sit, stay and play.

Water & HydrologySituated upon the proposed water supply tunnel, water will form a foundation for the design of the greenspace, from its drainage and filtration in planted areas to the bio-swale that collects and temporarily stores it.

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Potential Greenspace ElementsWould you like to see any of the following elements incorporated into the greenspace?Please place a sticky note on the element you would like to see in the greenspace.

LandscapingAdding shrub and perennial planting

and trees to the greenspace

Seating OptionsAdditional seating opportunities

for greenspace users

Historical EducationUsing images and facts to educate greenspace users

about the history of the water supply system and the City of New Westminster

Water Infrastructure Education

Detailing the extensive and intricate water supply system that provides our growing region with

clean, safe drinking water

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Additional CommentsPlease provide us with any additional ideas or comments about what you would like to see in the greenspace.

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Working with Our Partners and the CommunityMetro Vancouver is committed to working closely with its government partners, First Nations and local communities throughout the project. We will:

Send regular project updates to local residents and businesses notifying of any disruptions and be responsive to any concerns raised about project activities

Maintain a project website with up-to-date information

Provide a Community Liaison Officer to respond to queries and concerns during construction

To receive project updates and get information on upcoming opportunities to learn more about this project, please join our email database by signing up at the registration desk

Contacting Metro Vancouver

Community Liaison Officer: 604-432-6200 (Monday to Friday from 8 AM to 4:30 PM)

Email: [email protected] (Please include “Annacis Water Supply Tunnel” in the subject line)

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Minimizing Construction ImpactsMetro Vancouver is committed to minimizing traffic and access impacts during construction of this essential water infrastructure project.

Noise: There will be some noise associated with the construction at the north shaft site. Crews will attempt, wherever practical, to reduce noise impacts to nearby residents and businesses. All work will comply with City of New Westminster bylaws or granted bylaw variances.

Parking: On-street parking will be maintained as much as possible; however there may be restrictions to street parking in the vicinity of the work zone during construction.

Pedestrians & Cyclists: Sidewalk access will generally be maintained during construction. Crosswalks, and occasionally one side of the sidewalk, may be closed intermittently during construction. Detour routes will be in place; please follow the direction of signage and traffic control personnel.

Trucks: Trucks will access the site using the designated truck routes to reduce traffic in the construction area.

Business Access: Access to businesses will be maintained during construction.

annacis water spply tnnl project project overvie...water annacis water spply tnnl project proposed...

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