This book acts as a The Business of Mining complete set of three Focus books will provide readers with a holistic all-embracing appraisal of the analytical tools available for assessing the economic viability of prospective mines. Each volume has a discrete focus. This first volume presents an overview of the mining This second volume discusses, in some depth, Maria A. Mimikou, Evangelos A. Baltas, Vassilios A. Tsihrintzis November 21, Hydrology and water resources analysis can be looked at together, but this is the only book which presents the relevant material and which bridges the gap between scientific processes and applications in one text.
New methods and programs for solving hydrological problems are outlined in a concise Engineering has changed dramatically in the last century. Now in its 38th edition, Spon's External Works and Landscape Price Book offers the only comprehensive source of information for detailed external works and landscape costs. CRC Press exhibits every year at more than professional and academic conferences held across the world. At these events, you will have the chance to meet the authors and to get to know the CRC Press staff.
You can also take advantage of special discounts for convention attendees. Visit us at the following conventions throughout the year. Construction Cost Control Methods -Professor Odeh introduces construction cost control and the work segments contained in a project. The unit starts with tips in cost estimating and cost management and ends with a discussion of the international roles of cost managers.
Revenues, expenses and how they impact projects as a whole will be covered.
Construction Cost Estimating: Basics and Beyond |Smartsheet
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Never Stop Learning! Other oversights include the failure to visit the site and the inability to fully understand the site conditions. This makes site visits imperative. Finally, some cost estimators who draw from cost data repositories will fail to adjust costs based on local conditions or will make arbitrary adjustments without considering prior experience or quantitative comparisons.
Either of these can throw estimates off and make it more difficult for another cost estimator to verify an estimate. Estimation software has become a must-have for anyone generating complex construction cost estimates.
Construction Cost Estimating: The Basics and Beyond
For-purchase software, which can be pricey, is a much better option for anyone dealing with complex projects because of the functionality and features it can offer. Here are a few of the benefits of for-purchase software:. Construction cost estimating continues to evolve as design, building methods, and materials change. Some trends that impact cost estimating today include:.
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The following are additional resources concerning construction cost estimating:. No matter the size or type of construction project, cost estimating is only one piece of the puzzle. With multiple stakeholders, hundreds if not thousands! Especially when just one missed detail can result in huge costs due to rework or delays.
One such tool is Smartsheet, a work management and automation platform that enables enterprises and teams to work better. Improve organization, planning, and document management with automated Gantt charts and critical path, simple file attachments, and alerts and reminders. With a central repository of key project details, your team can access and make updates from anywhere, in real time.
Share your project plan with internal and external stakeholders to keep everyone one the same page. And, use the mobile app to capture site conditions and submit updates right from the field.
Estimating & Costing
Smartsheet also provides a range of smart views - Grid, Calendar, Gantt, Dashboards, and Card - so, whether you are a field engineer or construction manager, Smartsheet works the way you want. Discover how Smartsheet can help make your next construction project a success. Try Smartsheet Free for 30 Days. In This Article. Construction Cost Estimation Background and Purpose Construction cost estimating is the process of forecasting the cost of building a physical structure.
Clients considering large projects often seek multiple cost estimates, including those prepared by con Construction cost estimating is the process of forecasting the cost of building a physical structure. A good starting point is this construction estimator template and timeline. Overview of the Construction Estimation Process Understanding cost estimation requires you to have a basic grasp of the construction process.
Level 1: Order of Magnitude Estimate: Made when project design has not yet gotten under way, you only use an order of magnitude estimate to determine the overall feasibility of a construction. Level 2: Schematic Design Estimate: An estimate produced in line with schematic design Level 3: Design Development Estimate : An estimate made during the design development phase Level 4: Construction Document Estimate: An estimate based on the construction drawings and specifications Level 5: Bid Estimate: An estimate prepared by the contractor, based on construction documents. The bid estimate is the basis of the bid price offered to the customer.
Next comes the preliminary estimate, or conceptual estimate, which you base on the schematic design. Then comes the detailed estimate, or definitive estimate, which you base on design development.
A simple template can help give an initial assessment of costs involved in a project. Contractors will draw from a number of data points to prepare their estimates, including direct costs, supervision costs, subcontractor quotes, and quantity take-offs. Control Estimates : Prepared after one signs a contractor agreement and before construction gets under way, the control estimate functions as a baseline by which you assess and control actual construction costs.
A Construction Cost Estimates Perspective on Building Systems Creating a cost estimate for a project as complicated as a building calls for a systematic way of enumerating costs. Taking-Off Quantities: Working from the construction documents, a quantity surveyor will measure the tasks and items of work in a project. This requires scaling dimensions from drawings.
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One will record these in standard units such as area, volume, or length. For example, you can quantify excavation in cubic meters and steel supports in linear feet. The surveyor will list the number of each item in the project. Squaring: Next, the quantity surveyor multiplies the dimensions of the component into square area and multiplies this by the number of times this work item occurs in the construction, thus getting the total dimensions, length, volume, and area as applicable.
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Abstracting: Abstracting is the collecting and ordering of the squared dimensions. Similar tasks and components are grouped together. Once you have taken off and squared all items and have obtained total dimensions, they must be merged.
You make deductions for any voids or openings in the building, such as stairs. Billing: This last step simply involves presenting item descriptions and quantities in a structured format, the bill of quantities. You usually present these in a hierarchy for group, subgroup, and work section. Examples include substructure, earthwork, and site clearance.
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