+ All Categories
Home > Documents > ANNACIS WATER SUPPLY TUNNEL...tunnel-boring machine. The tunnel-boring machine will launch from a...

ANNACIS WATER SUPPLY TUNNEL...tunnel-boring machine. The tunnel-boring machine will launch from a...

Date post: 07-Dec-2020
Category:
Upload: others
View: 4 times
Download: 0 times
Share this document with a friend
2
FEBRUARY 2021 Annacis Water Supply Tunnel To help ensure the continued delivery of clean, safe drinking water for the region’s growing population. The tunnel will be one of five new water supply tunnel crossings in the region built to withstand a major earthquake. Once complete, the tunnel will also increase the capacity of the existing system to meet the long‑term needs of the growing population. Construction Activities This 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 tunnel and connected to underground valve chambers at each shaft site, connecting it to the region’s drinking water system. Preparing for Construction In order to build the Annacis Water Supply Tunnel, crews will be preparing work sites in the Brow of the Hill neighbourhood in New Westminster and Bridgeview neighbourhood in north Surrey. Site preparation will include site clearing and grading. The main construction will include site fencing, building entry and exit shafts for the tunnel excavation, and creating temporary surface work areas to support tunnel boring machine maintenance on both sides of the project. Project Overview To 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 deep under the Fraser River, between the City of New Westminster and the City of Surrey. WATER Fraser River North Arm Fraser River S FRASER PERIMETER RD (HWY 17) GRACE RD RIVER RD ROBSON RD MILLAR RD 116 ST QUAYSIDE DR COLUMBIA ST FRONT ST COLUMBIA ST ROYAL AVE AGNES ST QUEENS AVE 8TH ST 10TH ST 12TH ST 11TH ST S FRASER PERIMETER RD (HWY 17) GRACE RD RIVER RD ROBSON RD MILLAR RD 116 ST QUAYSIDE DR COLUMBIA ST FRONT ST COLUMBIA ST ROYAL AVE AGNES ST QUEENS AVE 8TH ST 10TH ST 12TH ST 11TH ST CITY OF NEW WESTMINSTER CITY OF SURREY ANNACIS ISLAND FRASER SURREY DOCKS North (Exit) Shaft Annacis Water Supply Tunnel ANNACIS WATER SUPPLY TUNNEL ALIGNMENT South (Entry) Shaft
Transcript
Page 1: ANNACIS WATER SUPPLY TUNNEL...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

FEBRUARY 2021

Annacis Water Supply Tunnel

To help ensure the continued delivery of clean, safe drinking water for the region’s growing population.

The tunnel will be one of five new water supply tunnel crossings in the region built to withstand a major earthquake. Once complete, the tunnel will also increase the capacity of the existing system to meet the long‑term needs of the growing population.

Construction 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 tunnel and connected to underground valve chambers at each shaft site, connecting it to the region’s drinking water system.

Preparing for ConstructionIn order to build the Annacis Water Supply Tunnel, crews will be preparing work sites in the Brow of the Hill neighbourhood in New Westminster and Bridgeview neighbourhood in north Surrey. Site preparation will include site clearing and grading. The main construction will include site fencing, building entry and exit shafts for the tunnel excavation, and creating temporary surface work areas to support tunnel boring machine maintenance on both sides of the 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 deep under the Fraser River, between the City of New Westminster and the City of Surrey.

WATER

Fras

er R

iver

North Arm Fraser River

S FR

ASE

R PE

RIM

ETER

RD

(HW

Y 17

)

GRACE RD

SCO

TT R

D /

120

ST

103 A AVE

TANNERY RD

RIVER RD

ROBS

ON

RD

MILLAR RD 116

ST

QUAYSIDE DR

COLUMBIA ST

FRONT S

T

COLUM

BIA STROYA

L AVE

AGNES ST

QUEENS AVE

3RD AVE 8TH ST10TH ST

12TH ST 11TH ST

S FR

ASE

R PE

RIM

ETER

RD

(HW

Y 17

)

GRACE RD

SCO

TT R

D /

120

ST

103 A AVE

TANNERY RD

RIVER RD

ROBS

ON

RD

MILLAR RD 116

ST

QUAYSIDE DR

COLUMBIA ST

FRONT S

T

COLUM

BIA STROYA

L AVE

AGNES ST

QUEENS AVE

3RD AVE 8TH ST10TH ST

12TH ST 11TH ST

CITY OF NEW WESTMINSTER

CITY OF SURREY

ANNACIS ISLAND

FRASER SURREY DOCKS

North (Exit) Shaft

Annacis Water Supply Tunnel

ANNACIS WATER SUPPLY TUNNEL ALIGNMENT

South (Entry) Shaft

Page 2: ANNACIS WATER SUPPLY TUNNEL...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

Contact Metro VancouverMetro Vancouver Information Centre: 604-432-6200 (Monday to Friday from 8 AM to 4:30 PM)

[email protected] (Please include ‘Annacis Water Supply Tunnel’ in the subject line)

COVID‑19 and Delivery of Essential Services Metro Vancouver continues to closely monitor developments regarding COVID‑19 and our paramount commitment is to maintain essential services to the region while protecting the health and safety of our employees, contractors, residents and businesses. Metro Vancouver’s construction projects are key components in ensuring the ongoing delivery of essential services as defined by the Province of BC. Metro Vancouver follows the guidance of the Provincial Health Officer and is taking all necessary measures to ensure our work sites remain safe and healthy.

Metro Vancouver provides a reliable source of safe, high quality drinking water to the region. This includes acquiring and maintaining supply, as well as treating, testing and delivering water to local governments. In turn, local governments are responsible for conveying water to residents and businesses.

Metro Vancouver Water Services

Metro Vancouver uses a system of watersheds, dams, treatment facilities, reservoirs, pump stations and water mains. Upgrades are constantly being made to the water system to maintain the quality and reliability of clean safe drinking water to the region.

Metro Vancouver Watershed

Metro Vancouver Dam or Intake

Metro Vancouver Raw Water Main

Metro Vancouver Water Treatment

Facility

Metro Vancouver

Pump Station

Metro Vancouver Water Reservoir

Metro Vancouver Water Main

Local Government Pump Station

Local Government Water Main

Water main connects to plumbing inside

your home

Local Government Water Distribution Mains

Natural Reservoir

1

2

3

4

5

6

7

8

9

1110

Working with the CommunityMetro Vancouver is committed to minimizing the impacts of construction on the community. Local residents and businesses will receive ongoing notifications through newsletters, web updates, email and on‑site signage.

A Community Liaison is available to address any public questions or concerns.

Project Timeline

2027

Landscaping and Restoration

2021 – 2027

Construction

2017 – 2020

Detailed Design

CROSS-SECTION OF THE ANNACIS WATER SUPPLY TUNNEL

Steel water main within tunnel (2.3 km long)

South vertical (entry) shaft and valve chamber

North vertical (exit) shaft and valve chamber

NEW WESTMINSTER SURREY

Fraser River

50 m deep

50-60 m deep

45-50 m deep


Recommended