2000 revelstoke bridge re-hab 2000 meeting presentation
TRANSCRIPT
Columbia River Bridge Rehabilitation
Dario Gnoato
Presentation Outline
■ Job Overview ■ Traffic Management ■ Deck Demolition & Surface Preparation ■ Concrete Paving ■ Steel Installation ■ Conclusion
Job Overview ■ Job Location: Revelstoke, BC
■ Job Start: Sept 7, 1999
■ Job Value: $1.16 Million
■ Job Consisted of:
■ Removing 125m3 of road surface overlay
■ Repairing Subsurface Concrete Cracks
■ Batching and Placing 125m3 of SFRC Overlay
■ Installing 120,000lbs of miscellaneous steel
Elevation
308m (1010)
General Arrangement
P1 P2
P3 P4
Elevation and Plan Views
7.3m deck width = 2 - 12ft wide lanes
Traffic Management
■ Ministry advised Kiewit that the Traffic Management Plan was EXTREMELY Important
■ 600 vehicles/hr
Principle Traffic Concerns
■ Safety ■ Emergency preparedness ■ Motorist advisories ■ ZERO full bridge closures ■ Minimize impact on local businesses ■ Minimize wide load advisories
Experienced Traffic Personnel
Traffic/Worker Proximity ■ Min. paving width = 12ft
■ Max. allowable lane closure width = 13 ft
Deck Demolition
■ Remove 125m3 of existing overlay ■ 2 stages
■ scarify top 40 mm
■ hydro demo the last 15 mm
Existing Deck Detail
Stage 1 - Scarifying CAT PR-453
Stage 2 - Hydro Demolition
German made WOMA Pump
700hp Cummins Generator
Peak Flow
Concrete
■ Batching ■ Grouting ■ Deck Paving
Batch Plant ■ 125m^3
1 YD^3 bags
opening
Grouting
Concrete Paving Paver - Bidwell OF-500
Rail on 2x6
Rail on cups
Steel
■ Deck Joints ■ Inspection Panels ■ Girder Drains ■ Suspended Span Drains ■ Drain Troughs ■ Bearings
Deck Joints ■ 3 total
■ 7.3m (28ft) each
Inspection Panels
■ 378 total
■ 92 support struts
Gouging
Torching
3,100 - 3/4” holes
Girder Drains ■ 14 total
■ 300# each
■ 1/2 over water
■ 1/2 over land
Over Water Access - 40ft swing stage
1st 2nd
3rd 4th
Suspended Span Drain
■ 70 total
■ 300# each
1st 2nd
3rd
Drain Troughs ■ 3 total
■ 24 pcs. each
Bearings
■ 8 total
■ 1500# each
1st 2nd
3rd 4th
The Crew