Estimating Highway Preconstruction Services Costs - Volume 2: Research Report (2016) / Chapter Skim
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11 C H A P T E R 2 2.1 Introduction and Overview In the past, there has been a substantial amount of research into estimating construction costs for highway projects, and there are also a handful of articles about estimating design cost and preliminary engineering for highway projects, but somehow preconstruction services costs have been left out. Due to the changing nature of state DOT work with increased funding uncertainties and shrinking budgets, it is more important than ever to ensure proper allocation of funds for highway projects.
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12 phone conference as DBB projects within the $2 million to $25 million cost range. The main focus of the case studies was on these projects, but there were also some projects collected that were delivered using DB and CMGC.
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13 corridor planning, and conceptual design, are considered sunk costs and are included in the project's overhead. 2.3.1 Statewide Transportation Improvement Plan Federal regulations require that state DOTs develop a STIP.
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14 approach chosen by the NYSDOT engineers as defining factors of a project. These were: 1.
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15 This estimate considers a variety of technical factors to either increase or decrease the estimated fee depending on project conditions. Table 2.2 incorporates all 12 of the factors influencing project design cost specified in ASCE Manual of Practice 45 (ASCE 2012)
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16 The Institute of Professional Engineers New Zealand and the Association of Consulting Engineers New Zealand also developed a guideline for estimating consulting engineering services fees as a percentage of the estimated construction cost (Association of Consulting Engineers New Zealand and Institute of Professional Engineers New Zealand 2004)
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17 Note: All costs are in New Zealand dollars. Figure 2.4.
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18 Phases Planning Preliminary Engineering Environmental Engineering Final Engineering Construction Activities Methods Project StartUp (before MOP or STIP) Scope and Budget – Concept Stage 1 Design – Evaluating Alternatives Initial Cost Estimations Environmental Field Studies – Preferred Alternatives NEPA and Permit Approval Detailed Design Final Plan Package Procurement Trns.port software – – – – – – AL AL AL Standard % of estimated const.
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