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Lesson
Cost management and quality assurance mitigate the risk of cost increases due to project design changes during implementation. Despite modifications to the project, the final cost aligned closely with the estimates at appraisal as a result of coordinated efforts. A well managed tender process secured favorable offers, while proactive project management throughout the procurement and construction phases ensured cost efficiency and quality.

Project Number: 45022-002
Project Name: Jiangxi Ji'an Sustainable Urban Transport Project
Report Date:
Lesson
A time-based contract suits consultants better than a lump sum contract as it prevents issues when service extensions are necessary for unforeseen project extensions, which typically imply annual price escalations.

Project Number: 45022-002
Project Name: Jiangxi Ji'an Sustainable Urban Transport Project
Report Date:
Lesson
Careful selection of competent experts and close consultant monitoring and coordination is essential to ensure the quality of TA outputs. As the two consultants engaged by this TA needed to work on separate topics to deliver one report, close monitoring and coordination by the ADB team proved critical to the timely attainment of consultant deliverables. Regular meetings were conducted to oversee progress, give guidance, avoid preventive abortive work, and deliver quality outputs.

Project Number: 55319-001
Project Name: Southeast Asia Aviation: COVID-19 Impact and Short-term Strategy
Report Date:
Lesson
To benefit from procurement advance action, the process should begin as early as eight months before loan effectiveness.

Project Number: 46293-003
Project Name: Greater Mekong Subregion Tourism Infrastructure for Inclusive Growth Project
Report Date:
Lesson
The availability of additional resources for the preparation of one or two procurement-ready civil works subprojects before loan effectiveness could support a smooth project startup.

Project Number: 46293-003
Project Name: Greater Mekong Subregion Tourism Infrastructure for Inclusive Growth Project
Report Date:
Lesson
Detailed market analysis through strategic procurement planning and accurate cost estimates could prevent unexpectedly low bids, leading to significant project savings. Under this project, it is noted that low bids did not negatively affect the quality of construction.

Project Number: 45509-002
Project Name: Chongqing Urban-Rural Infrastructure Development Demonstration II Project
Report Date:
Lesson
Consulting services for design, monitoring, supervision, and overall project management are important for timely procurement and implementation, and particularly for the complex DBO contracting modality, considering that government agencies in Bhutan are increasingly familiar with and prefer DBO

Project Number: 44240-013
Project Name: Urban Infrastructure Project
Report Date:
Lesson
Performing an adequate level of due diligence and risk assessments at the early stage of project preparation increases the quality of project design and readiness. For example, preparatory work for procurement planning and administration of abnormally low bids (e.g., prequalification of bidders) supports and better streamlines the procurement process and avoids substantial changes in a project design and scope.

Project Number: 44483-023, 44483-024, 44483-026, 44483-027
Project Name: Second Central Asia Regional Economic Cooperation Corridor 2 Road Investment Program (Tranche 3 and Multitranche Financing Facility)
Report Date:
Lesson
Inaccurate estimation of quantities in the detailed project reports (DPR), required for project processing in India, can raise project costs at the same time push back construction periods. There was a huge difference between actual quantity requirements based on site-specific conditions and those indicated in this project's DPRs. Because of insufficient estimations in the bill of quantities, contractors had to put a huge claim for the revision of rates and work quantity. Given this, care must be taken in preparing the DPR and estimating quantities.

Project Number: 37143-033
Project Name: North Eastern States Roads Investment Program - Project 2 and Multitranche Financing Facility
Report Date:
Lesson
Wide time gaps between the finalization of construction cost estimate, initiation of the bidding process, and awarding of contracts should be avoided as these could lead to time and cost overruns. There were significant time gaps of 4–5 years between the finalization of the DPRs, including cost estimates and the completion of the bidding process. Besides causing startup delays, this also led to higher contract costs in comparison to the engineering estimates.

Project Number: 37143-033
Project Name: North Eastern States Roads Investment Program - Project 2 and Multitranche Financing Facility
Report Date:
Lesson
Significantly lower contract prices for civil works could lead to project completion delays.Civil works contract prices for this project were, on average, 30% below the initial estimates. The winning contractors, all private companies, encountered financial challenges during construction as the low unit prices meant that increased work resulted in financial losses. Faced with this situation, the contractors were reluctant to mobilize additional resources and accelerate the construction progress.

Project Number: 46040-003
Project Name: Yunnan Pu'er Regional Integrated Road Network Development Project
Report Date:
Lesson
Inappropriate design of performance-based maintenance contracts (PBMCs), including unrealistic performance parameters, and limited capacities and understanding of complex contract conditions by project implementers and the bidders alike could delay procurement and cause additional difficulties in project administration.

Project Number: 38254-013, 38254-063
Project Name: North Karnataka Urban Sector Investment Program (Tranche 4 and Multitranche Financing Facility)
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Lesson
Adequate project readiness and accurate designs are critical for large infrastructure projects. Lack of these could cause delays, i.e., this project encountered a delay of over 2 years in finalizing the detailed design for the major civil works contracts and delays in procurement. Furthermore, inclusion of additional scope of works and delays in land acquisition and resettlement plans, and COVID-19 impacts hindered timely implementation.

Project Number: 40540-014, 40540-017
Project Name: South Asia Subregional Economic Cooperation Road Connectivity Project
Report Date:
Lesson
Similar projects in similar contexts can learn from the following Implementation lessons learned from the[project: (i) potential startup delays need to be anticipated when developing the project Implementation plan and the contract awards and disbursement projections, withmitigating measures identified; (ii) engaging a single detailed engineering design consultant for projects covering multiple provinces can cause delays;and (iii) use of local consultants could expedite the awarding of civil works contracts.

Project Number: 46293-005
Project Name: Greater Mekong Subregion Tourism Infrastructure for Inclusive Growth Project
Report Date:
Lesson
Inadequate capacity to assess the bids and contracts increases procurement risks and results in implementation delays. It is imperative that borrower and/or the executing agencies conduct sufficient due diligence on the technical and financial qualifications of bidders to ensure that they can deliver the required works and contract obligations of the project. Such an examination prevents contracting low performing contractors.

Project Number: 49125-001
Project Name: Second Jharkhand State Road Project
Report Date: