Installation access conditions can influence tender reviews long before construction begins. Learn how a commercial plumbing estimator assesses project accessibility during estimating. When contractors review tender opportunities, quantities and pricing are often the first areas of focus. However, experienced estimating professionals understand that installation conditions can influence a project's complexity long before construction begins. On many commercial developments,

I have worked across a lot of plumbing estimates in Australia, and Design and Construct (D&C) tenders are where unit rate estimating consistently causes problems. Design and Construct, means the contractor is responsible for both the design and the construction. The scope is not fully defined when you must price it. That is where the risk lives. Unit Rates Work When the Scope Is Fixed Unit rate estimating assumes the scope is defined, and the installation conditions are kn