Bridge Design Procedures

Bridge Design Procedures

These are Step-by-Step Outlines for Bridge Design & Construction Procedure :- Appointment Stage Obtaining Client Appontment and Terms of Reference Preliminary Design Stage


1. Obtian all Relevant Existing data.


2. Obtain Local Regulations on Design Codes, Loadings, Restrictions, Bylaws


3. Environmental Impact Studies (where required by authorities)


4. Tarffic & Roading Studies (where traffic involved)


5. Prepare Concept Plans & Budgetary Costing


6. Land, Facilities, Contour, Hydraulic and Hydrological Survey


7. Geotechnical Investigations and Analysis


8. Hydrological & Hydraulic Analysis (where river involved)


9. Prepare Preliminary Design & Costing


10. Obtain Client Approval for Preliminary Design & Costing Detail Design Stage Super-Structure Design


1. Determine HA & HB Loadings


2. Determine Dead Loads


3. Determine Earthquate & Wind Loads


4. Design of Main Girders


5. Design of Transverse Girders


6. Design of Deck Slabs


7. Design of Cantilever Slabs


8. Design of Parapets


9. Design of Bearings Sub-Structure Design


1. Design of Piers


2. Design of Abutments


3. Design of Wing Walls


4. Design of Approach Walls


5. Design of Piles General Stability Analysis


1. Wind Tunnel Analysis


2. Hydraulic Stability


3. Form & Stability Analysis Pre-Tender Stage


1. Prequalification of Contractors


2. Prepare General & Specialist Works Specifications


3. Prepare Quantities Take-Off


4. Prepare Costing


5. Prepare Work Methodology


6. Prepare Contract Specifications Tender Stage


1. Prepare Tender Drawings & Tender Documents


2. Calling of Tender Biddings


3. Evaluation of Tender Biddings Received


4. Recommendations for Contractor


5. Award of Contract Construction Stage


1. Appoint Site Supervisory Staff


2. Establish Contract & Comminication protocol


3. Establish Works Evaluation & Inspection Criteria


4. Establish Payments Claims Procedure


5. Establish Variation Orders Criteria & Protocol


6. Enforced QA/QC standards


7. Enforced Safety Standards & protocol


8. Evaluate Contractor's Work Methodology


9. Implement Common Construction Management Practices


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