Alternative Quality Management Systems for Highway Construction (2015) / Chapter Skim
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APPENDIX K: HASTINGS RIVER BRIDGE Project Information Project Name: TH61 Hastings Bridge Design-Build Project Name of Agency: Minnesota Department of Transportation (MnDOT) Location: T.H.
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quality aspects, as well as documentation requirements for the Project. MnDOT audited the Contractor's quality management system to determine whether quality activities were being carried out and were implemented effectively.
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Owner's reasons for using alternate QM system Implementing a PAE process allowed the Owner to get a "sneak-peek" at the contractor's bid before submittal. The confidentiality of the process provided each competitor with the ability to retain advantages that it developed.
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Agency Project Delivery Decision-making Process A design-build project delivery method was chosen for this project because the Interim Highway Commissioner directed the acceleration of the project. Reasons for Selecting Project Delivery Method (most significant reason)
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Table K3: Required Bidding Documents Requirements of the project advertising/solicitation documents (i.e.
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Construction Phase Summary Table K5: Construction Quality Management Roles Responsibility allocation for construction management tasks Agency personnel Consultant design staff Constructor's construction staff Agency-hired QA/oversight consultant Technical review of construction shop drawings ✔ ✔ Technical review of construction material submittals ✔ Checking of pay quantities Routine construction inspection ✔ ✔ Quality control testing ✔ Verification testing ✔ Acceptance testing ✔ Approval of progress payments for construction progress ✔ Approval of construction post-award QM/QA/QC plans ✔ Report of nonconforming work or punchlist. ✔ ✔ Quality Management Planning QA/QC Plans The quality management process used on this project was a formal one that was project specific.
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Describe how the Contractor will maintain an accessible, centrally controlled manual, database, or list that contains all relevant design inputs or references to design inputs to be used by design personnel to incorporate into the design. Define the design outputs (i.e., the specific plans and specifications)
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In addition, the Contractor had to ensure that internal quality audits, for each element of the quality management system, were performed at least every six months. The Contractor specified that internal audits to be completed during the Project would include the following: Audits of deliverables to the Owner or other stakeholders before they are delivered Audits of the document control system Periodic informal spot-audits of Owner comment forms, internal comment forms, RFIs, and Design Change paperwork to spot trends, problem areas, or inefficiencies Audits of quality activities Use of mandated agency quality management plans A specific set of qualifications for the quality management staff of design consultants and construction contractors was mandated for this project.
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The construction quality staff was to perform quality inspection and testing to ensure that materials and the constructed Work meet Contract requirements. MnDOT performs construction quality acceptance testing and inspection for verification that the Work meets Contract requirements.
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Figure K1: Hastings Bridge QAO. Example of Alternate QM System used on this Project Geotechnical issues were the major quality challenge in this project.
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The following Alternative Technical Concepts (ATCs) were incorporated into the design and construction approach: ATC 02 • Tied-Arch Alternative ATC 08 • Structural Concrete ATC 03 • Continuous Settlement Monitoring ATC 09 • South Approach Structure Fixity ATC 04 • Vessel Collision Loads ATC 10 • Hanger Corrosion Protection System ATC 06 • Bridge Geometrics ATC 11 • PI Coordinator Observations of the Researcher The success of this project appeared to be due to the amount of communication allowed by the Owner before the proposals were submitted.
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Quality Oversight Visits: Throughout the design process, MnDOT could make oversight visits to discuss and verify design progress and ascertain the overall progress of the Project with respect to the Contractor's Quality Manual. Disincentive: Subject to MnDOT's determination, MnDOT could assess the Contractor a $100-per-hour monetary deduction for failure to facilitate satisfactory progress or completion of the Work.
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