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Time and materials (T&M) is a standard phrase in a contract for construction, product development, or any other piece of work in which the employer agrees to pay the contractor based upon the time spent by the contractor's employees and the subcontractors' employees to perform the work, and for materials used in the construction, plus the contractor's markup on the materials used, no matter ...
A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand , each of which requires specialized technology.
Construction accounting is a form of project accounting applied to construction projects. See also production accounting . Construction accounting is a vitally necessary form of accounting, especially when multiple contracts come into play.
If the station box is built before the TBM passes through, the TBM would drill through the side of the station box, would have to be moved to the other side of the station box where it would restart the tunnel boring process. Station box construction methods have been used in a wide variety of subway and metro projects.
A Allocation of costs is the transfer of costs from one cost item to one or more other cost items. Allowance - a value in an estimate to cover the cost of known but not yet fully defined work. As-sold estimate - the estimate which matches the agreed items and price for the project scope. B Basis of estimate (BOE) - a document which describes the scope basis, pricing basis, methods ...
The decision whether to construct a tunnel using a TBM or using a drill and blast method includes a number of factors. Tunnel length is a key issue that needs to be addressed because large TBMs for a rock tunnel have a high capital cost, but because they are usually quicker than a drill and blast tunnel the price per metre of tunnel is lower. [ 2 ]
A former TD Bank employee based in Florida was arrested and charged with facilitating money laundering to Colombia, New Jersey's attorney general said on Wednesday, in the first such arrest since ...
In 2006, AACE published their Total Cost Management Framework – An Integrated Methodology for Portfolio, Program and Project Management. [2] In this tested and proven methodology, portfolios of assets are optimized through the use of portfolios of projects, using project management as a delivery system, to support and enhance large, strategic or operational programs [3] in support of the ...