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Bridge Maintenance Supervision and Administration.

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Presentation on theme: "Bridge Maintenance Supervision and Administration."— Presentation transcript:

1 Bridge Maintenance Supervision and Administration

2 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 2 Roles & Responsibilities Regional Bridge Manager –develop and implement bridge programs –maintenance and construction Regional Bridge Technologist –assist in development of bridge programs –implement and supervise bridge maintenance and construction

3 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 3 Roles & Responsibilities (cont’d) Operations Manager –develop and implement highway maintenance program Maintenance Contract Inspectors (MCI) and Field Support Technologists (FST) –implement & supervise highway maintenance –routine bridge maintenance (i.e. bridge washing) –initial response to emergency bridge work

4 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 4 Roles & Responsibilities (cont’d) Highway Maintenance Contractor –highway maintenance –routine bridge maintenance (i.e. bridge washing) –emergency bridge work (i.e. initial lane closure under/over high load damage) Coordinated by MCI or FST

5 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 5 Roles & Responsibilities (cont’d) Highway Maintenance Contractor Bridge Division –minor bridge maintenance –emergency bridge work to completion Coordinated by Bridge Technologist

6 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 6 Roles & Responsibilities (cont’d) Bridge Construction Contractors –major bridge maintenance/rehabilitation –bridge construction Coordinated by Bridge Technologist and/or Bridge Engineer

7 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 7 Maintenance Activities (by Highway Maintenance Contractor) Emergency response due to: –high load/wide load damage (initial response) –collision damage (initial response) –flood damage –loose or protruding deck joints –any immediate danger to public

8 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 8 Emergency Work (Initial Response) Responsibility of MCI/FST - Work by Highway Maintenance Contractor –close bridges or lanes –remove debris –erect signs or flagging –notify Regional Bridge Technologist

9 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 9 Typical Bridge Maintenance by Operations Group –monitor structures- remove drift –install & maintain signs- approach railing –clean/wash- approach bump –patch ACP- patch timber decks –bridge drainage –minor repairs to bank/headslopes

10 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 10 Minor Bridge Maintenance by Bridge Staff –Joint repair / cover plate & seals –Concrete patching & sealing –Touch-up painting –Resetting bearings –Replace strip deck, caps, sheeting, etc. –Repair slope protection & rip rap –Deck repair (polymers, silica fume, etc.) –Up to $100,000 –etc.

11 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 11 Minor Culvert Maintenance by Bridge Staff –Strutting –Install collars, headwalls –Install liners –Shot-crete repair –Culvert extensions

12 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 12 Major Maintenance/Rehabilitation & Construction by Bridge Staff deck overlays bridge strengthening bridge painting new bridge construction

13 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 13 Shared Responsibilities Staff Co-operation –common work Communication –accident damage Shared Resources

14 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 14 Identifying Bridge Maintenance Regional Bridge Staff Technical Standards Staff Maintenance Contract Inspectors Field Support Technologists Maintenance & Construction Contractors

15 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 15 Identifying Bridge Maintenance (cont’d) Regular Inspections –Bridge inspection and maintenance (BIM) inspections –Level II Inspections copper sulfate testing chloride ion testing ultrasonic inspection timber coring “in-situ” concrete strength sounding decks

16 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 16 Identifying Bridge Maintenance (cont’d) Other Sources –General public –Local land owners –Other government agencies –etc.

17 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 17 Bridge Maintenance Safety Issues Occupational Health and Safety Regulations –High rigging (scaffolds, manlifts, etc.) –Crane safety and rigging –Working over water –Confined spaces - trenches and excavations –Paint removal and contaminants –Hazardous material and disposal of waste

18 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 18 Bridge Environmental Issues Alberta Environment –Code of Practice Federal Department of Fisheries and Oceans –Authorization –Letter of advice Navigable Waters Protection Act –Impacting navigation

19 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 19 Initiating Minor Maintenance Work for Bridge Division of Highway Maintenance Contractor Work Order or Bridge Maintenance Authorizations by Regional Bridge Technologist –Bridge description and information –Environmental permits / licenses –Written instructions and sketches to describe work –Time to complete –Engineering drawings, standard drawings, approved material lists –Specifications

20 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 20 Work Processes Work Order or BMA to Contractor Contractor provides quotation Bridge Manager reviews/approves and authorizes Work Order Contractor does work Department representatives manage and inspect work Department does final inspection Contractor invoices Department pays

21 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 21 Quality Assurance / Quality Control Reference Documents –Occupational Health and Safety Regulations –Specifications for Bridge Construction –Traffic Control Standards –Approved Product Lists –Standard and Typical Bridge Drawings –Bridge Material Specifications

22 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 22 Quality Assurance / Quality Control (cont’d) Contractor Responsibility –Inspection and acceptance of fabricated material –Concrete air & slump –Concrete 28 & 7 day strength

23 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 23 Quality Assurance/Quality Control (cont’d) Department Responsibility (Regional Bridge Technologist) –On site inspection (random & frequent) –Review contractor’s testing –Review manufacturer’s tests/results –Apply corrective measures –Final acceptance

24 BRIDGE MAINTENANCE SUPERVISION AND ADMINISTRATION TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 24 Project Records Technical Data –concrete strength –pile data –surveys Photographs, sketches & drawings Safety summaries As-constructed drawings Diaries –office and field


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