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Construction glossary

What is a Milestone?

A milestone in the construction industry refers to a significant event or achievement in the life of a project. It marks a turning point that indicates the completion of a major phase, or a key deliverable. For instance, it could be the conclusion of the design phase, acquiring a building permit, or completion of site excavation. These markers serve as checkpoints to monitor progress, assess risks and ensure that the project is on schedule. They function as tools for communication among stakeholders about the status of the project, providing a clear picture of the project's trajectory. Furthermore, milestones can also provide a basis for payment, wherein a contractor may be paid upon reaching specific milestones. In essence, milestones are pivotal in construction project management, underpinning successful planning, coordination, and execution of projects.

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Other construction terms

Underbillings

What is Underbilling?

Underbilling refers to a scenario in the construction industry where the actual costs incurred on a project surpass the billed amount for a specific time period. Often occurring unintentionally due to unexpected cost variations, it results in a deficit situation for the contractor. It is essentially an imbalance where the contractor has delivered more work or materials than they have billed the client for. Underbilling can strain cash flow and disrupt project schedules if not addressed promptly. While this might prove beneficial to the client in the short term, contractors need to ensure that they identify and rectify underbilling to maintain project profitability and financial stability.

Bottom-of-Chain, or Low-Tier

What is Bottom-of-Chain or Low-Tier?

Bottom-of-Chain or Low-Tier in the construction industry refers to the lowest level of subcontractors or suppliers involved in a construction project. They are at the end of the construction chain, typically providing specific services or materials as subcontracted by higher-tier companies. These can include specialized tasks like electrical work, plumbing, landscaping, or supply of construction materials. Their work is crucial as they lay the foundation for more complex tasks to be executed by upper-tier contractors. They are also bound by the contracts in place, like other members of the chain, although directly managed by mid-tier subcontractors instead of the main contractor.

Mobilization

What is Mobilization?

Mobilization in the construction industry refers to the activities and processes that are carried out to prepare for a construction project before the actual work begins. This can involve acquiring, assembling, and organizing resources, including manpower, tools, equipment, and materials needed for the project. Moreover, it encompasses planning, site preparation, setting up temporary facilities like offices or storage spaces, and obtaining necessary permits and insurances. Mobilization is crucial as it ensures smooth execution and helps to avoid potential delays. This phase often involves significant costs, which are usually included in the contract as 'Mobilization Costs'.

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