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Doanh Do
Doanh Do is graduate of UC Berkeley. He is an editor of the Lean Construction Blog. The goal of the LCB is to democractize and advance lean construction around the world.
Articles By This Author
Why Target Value Design And Integrated Project Delivery? A Tale Of Two Cities
Two sister cities, Rosencrantz and Guildenstern, have both decided to each build a new library for their citizens. Both cities have roughly the same budget (100 million coins) and a schedule of 3 years (for both design and construction).
How to use the Lean Construction Blog to support your study action team (SAT) and internal training
As you are embarking on your Lean Construction, one of the most important and challenging things to do is training your team. In large organizations, there may be only one or two lean experts in a company with thousands of employees.
8 Misconceptions about Lean Construction
What are some misconceptions about Lean Construction that you would like to clear up? This is a question that I get a lot and knowing some of these misconceptions can save you years on your Lean Journey.
An Introduction to Target Value Delivery
Target Value Delivery (TVD) is “a management practice that drives the design [and construction] to deliver customer values within project constraints” (Ballard, 2009). It is an application of Taiichi Ohno’s practice of self-imposing necessity as a means for continuous improvement (Ballard, 2009).
An Introduction to Set Based Design
Set-based Design (SBD) is a design methodology that has many applications in the architecture, engineering, and construction (AEC) industry. It was discovered when researcher studied the engineering and design process at Toyota [1]. Known as the “second Toyota paradox”.
Integrating Design and Construction using the VDC Framework
Many projects struggle with innovation because they approach it through a siloed perspective. Some projects are great at contech, BIM, or lean. Very few projects have a means of integrating all these great ideas together.
An A3 Template for Lean Research
In Lean Construction, we recognize that there are inherent wastes in every production system. Our objective is often to identify and reduce the wastes. Just as construction and design have been conceptualized as production systems, it can be argued that research is also a production system.
Highlighting 12 Papers from the IGLC 2019 Conference
The International Group For Lean Construction (IGLC) is an international conference started in 1993. The IGLC brings together an international community of researchers and industry practitioners each summer to advance the research and practical applications of Lean Design and Construction.
Applying the Last Planner in a Small HVAC Company
According to the US Bureau of Labor Statistics, there are 6.5 million people working in the US construction industry in 2016. The average construction worker is statistically more likely to work in a small or medium business than a large multi-billion company.
Applying Kanban at a Small HVAC Company
This blog post is a continuation of our series on the application of Lean Construction methods in a small HVAC Company. The goal of this post is to show how a small company applied Kanban to manage their work processes.
7 Ways to Make Shared Risk and Reward Sustainable in the Construction Industry
Around the world, shared risk and reward contracts are becoming more prevalent. In the United States several forms of agreements for construction projects including: Sutter Health’s Integrated Form of Agreement (IFOA), the ConsensusDocs 300, and American Institute of Architects (AIA) contracts.
How Target Value Design Works. A Theoretical Model
Research on Target Value Design (TVD) has found that TVD projects are delivered 15% to 20% below market price1. Additionally, TVD projects are more likely to achieve predictable cost performance outcomes while carry less contingency than projects that do not use TVD2.
Target Value Design as a Method for Controlling Project Cost Overrun
Project cost overrun is a common problem around the world. A study of 258 projects in 20 nations revealed that cost escalation occurred in 9 out of 10 projects. The study found that on average the final cost was 28% higher than the forecasted cost. Cost overrun is a serious problem because it makes construction investment projects risky.