EN FR
Toggle social icons
Home

where some see challenges

we see Ahead of the curve

With a completely curved structure including glass, walls and concrete the iconic Bow Tower was a survey project with no parallel.

Next screen

PROJECT SNAPSHOT

The Bow Tower

1 Consulting engineers of alberta Award of Excellence
1700000 square feet of office space
40000 tonnes of structural steel framing
100000 WSP man-hours
30000 survey marks to position structural components and architectural features
4 clients served: H & R REIT, Matthews Southwest, Ledcor construction & supreme walters jv
58 stories above ground with 6 stories of underground parking
6 PRECISION INCLINOMETERS INSTALLED FOR REAL-TIME POSITIONING OF STEEL COLUMNS
19 control monuments to position the tower

An iconic masterpiece defining the Calgary skyline.

playwatch the story
Close video
Next screen

Project slideshow

An insider's view of how it all came together.

1 / 24

An artistic rendering of the Bow Tower - Calgary's skyline forever redefined.

2 / 24

Digging down before building up: the 2008 parkade excavation.

3 / 24

Layout of the embed frames for raft slab pour.

4 / 24

1 of the 19 survey control stations surrounding the project.

5 / 24

Quality control on the embed frame placement.

6 / 24

Plumbing of the structural steel from ground level.

7 / 24

1 of 6 precision inclinometers used for real-time building dynamics.

8 / 24

Plumbing of the steel from a crane basket.

9 / 24

A view from the southern edge.

10 / 24

Working level with free standing columns.

11 / 24

A bird's eye view of steel plumbing in progress.

12 / 24

Living on the edge: Quality control surveys for the building canopy prior to glass install.

13 / 24

A view of the southern exposure from ground level - an icon taking shape.

14 / 24

RTK GNSS Surveys for column plumbing.

15 / 24

A precision total station is used for the layout of interior building features.

16 / 24

Column plumbing at the highest level.

17 / 24

High definition scanning of the south atrium and plaza areas.

18 / 24

A south-facing view of the northern exposure of the tower - great views from every angle.

19 / 24

Layout of the building's screed edge on Q deck.

20 / 24

Column plumbing in real time.

21 / 24

A view from next door - the northern exposure of the Bow Tower.

22 / 24

The Bow Tower and Calgary's skyline as seen from north of the Bow River.

23 / 24

A view of the triangular diagram system, an architectural trademark of Norman Foster.

24 / 24

View looking East from an adjacent tower.

Next screen