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Lean Assembly means to...
...assemble things in the most efficient way possible
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The supply chain is defined as activities that...
...procure, engineer, fabricate and deliver required materials and equipment to a project.
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Waste is?
anything that takes time, resources or spaces, but does not add value to the product or service delivered.
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Value-add activities are those
that push the product or service towards something that Owner wants (the next trade).
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Define 7 types of waste
- M otion (wasteful when unnecessary)
- O verprocessing
- T ransportation
- O verproduction
- R ework (defects)
- I nventory (requires storage space, costs $)
- W aiting
- U nderutilized resources
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5 Ss
- safety (should be 1st consideration to everything we do in construction)
- set (everything in its correct place)
- shine (clean workspace and tools)
- sort
- standardize
- sustain (implemented systems)
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The objectives of Lean SCM are to:
- Match resources with site demands
- Minimize variation between supply & demand
- Transparency across the supply chain
- Assure on-time delivery
- Balance between flow & value
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Construction flow plan shows
the interrelationships among the trades.
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Which of the following is an example of building a lean culture among all parties for the completion of constr. projects? (screenshot)
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4 elements to sustain Lean Culture
- accountability
- transparency
- measurement
- visibility
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To fostering a Lean Culture, one must:
- align contractual terms
- provide orientation and training
- create a review & accountability process
- develop good team dynamics
- celebrate succeses
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Lean supply supports the LPDS by (screenshot)
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Cycle time formula is
processing+handling+transportation+wait
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What Value Streaming Map depicts?
- the flow of material before and after delivery to the project.
- The objective is to maximize value-adding activities, expose unnecessary travel and waste in the supply chain and remove them.
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What are 3 tools that Lean Supply Chain implements at the project level?
- Control tools for monitoring and scheduling delivery of equipment and materials
- Just-in-time & Batching
- Use supermarkets as decoupling points
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How should Lean Supply Chain operate at the company level?
- Form long-term supplier alliances
- Supplier selection criteria based on capabilities and culture, not just lower cost
- Bringing in suppliers during the design phase
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Capacity buffers
- resource not fully utilized on purpose;
- maintaining extra manpower or equipment onsite to ensure we can deal with variation in workflow;
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Lean Supply Chain eliminates waste by
- finding efficient methods to procure materials and equipment and seeks to standardize design to minimize waste.
- *It also seeks the best value instead of just a lower cost.
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