Design engineers must specify the type and size of weld joint. Use the figures in this division when estimating the cost of. The cost of this welding process consists of three major. Cost was estimated for each claim using data from the hospitals 2009 fye submitted cost report. An analysis of capital cost estimation techniques for. Pdf parametric cost estimation of process equipment is introduced in this article as a shortcut method in fast estimation of equipment cost. Cost estimating guide doe directives department of energy. Process equipment cost estimating by ratio and proportion. Process planning and cost estimation by vijaya ramnath. Section 4, cost estimating factors, discusses cost drivers and the impact that each has on the construction cost estimate throughout the project development process. Various methods are used to estimate orc costs but the resulting values are. Statistical process control spc is an important element of total quality management. These costs are helpful during a projects early development and budgeting.
The table 1 values have been condensed from a vast, comprehensive tabulation of estimating cost data presented in the march 24, 1969 issue of chemical engineering magazine. One could assume that by dividing one project cost component tot by that same projects cost component equip, the resulting ratio would be free of the cost escalation effects and thus could be compared with similar ratios of. The factorial method of cost estimation capital cost estimates for chemical process plants are often based on an estimate of the purchase cost of the major equipment items required for the process, the other costs being estimated as factors of the equipment cost. Funds may be low at the time of purchase and expected to be more abundant later, or the economic life of the process is expected to be limited. Deshpande submitted to the department of civil and environmental engineering on 7th may, 1999 in partial fulfillment of the requirements for the degree of master of engineering in civil and. Based on highly scalable engineering models of process equipment, acce accurately predicts total installed costs of process equipment and associated bulks, instrumentation, electrical, and civil. For example, land acquisition costs are a major expenditure for building. Cost relations are prepared for some equipment, such as. The inaccuracy of cost estimates for developing major department of defense dod systems is well documented, and cost overruns have been a common problem that continues to worsen.
Dec 17, 2009 equipment cost estimation posted in student. There is a significant relationship between the estimation type and deviation size of the final cost for construction projects. The detailed estimate must establish the estimated quantities and costs of the materials, the time required for and costs of labor, the equipment required and its cost, the items required for overhead and the cost of each item, and the percentage of profit desired, considering the investment, the time to complete, and the complexity of the project. Complete engineering of process and related offsites and. Process equipment, cost scaleup claremont colleges. Our free factored cost capital estimating tool helps project executives develop a factored capital construction cost estimate based on known or estimated process equipment cost while also providing estimated values for each construction trade, craft and discipline associated with the project. Equipment sizing and capital cost estimation bare module factors table 16. One accurate method of estimating is the quantity takeoff method.
Pdf chemical processes equipment cost estimation using. Estimating construction costs the key to a good job and successful cost control is the development of a good estimate as the basis for bid submittal. Pdf suitable method for capital cost estimation in chemical processes. Complete engineering of process and related off sites and. Cost estimation requires a thorough knowledge of the construction. May 10, 2014 estimation of purchased equipment costs the cost of the purchased equipment is used as the basis of the factorial method of cost estimation and must be determined as accurately as possible. Process equipment, cost scaleup obtaining corporate approval for new equipment or estimating detailed costs for a new plant often require that ballpark costs be calculated quickly for different types of hardware during both predesign and design phases. In this section raw sand is washed to remove clay etc, and various ingredients are. It covers theory, types of estimates, estimating procedures and contractua. Pdf me6005 process planning and cost estimation lecture. Cost estimation is a specialized subject and a profession in its own right, but the design engineer must be able to make rough cost estimates to decide between project alternatives and optimize the design.
Matches centrifugal pump cost horizontal, vertical. Cost estimation cost indexes present costoriginal cost at time t marshall and swift. As defined, the lang factor is a ratio of total installed cost tot to deliveredtosite equipment cost equip. R values for equipment have a larger range than for entire process plants, for which the. To leverage the cost information contained within ipe, a series of cost curves for different equipment types were generated. Archives of past projects to allow rapid cost estimate updating or modification for similar designs. Analyze information for cost drivers, trends and outliers.
For study estimates, it is sufficiently accurate to combine payroll and plant overhead into. As indicated in chapter 1, one of the basic economic skills that chemical engineers often need is the ability to make cost estimates. Overview estimating the costs of depositing weld metal can be a difficult task because of the many variables involved. Earlystage capital cost estimation of biorefinery processes. Fundamentals of capital cost estimating a tcm approach. Given limited timebegin with equipment sizing and capital cost estimation. Nrelsr51039944 estimation for small modular biomass. Process equipment, cost scaleup determination of r values the relationship between cost and capacity is given by the equation size2 cost2 costl sizel a plot of the ratios on a loglog scale produces a straight line.
The contingency analysis models should be able to produce a pdf and a cdf for the. A suggested sequence for obtaining such estimates is as follows. Each step builds upon each other to develop and comprehensive and complete cost estimate. A major factor in deciding whether or not to build or expand any chemical process plant is the capital cost estimation. The opening sheet of the file equipment costs is called calculation page. During the shipping process of the edc unit from the factory to the jobsite, it is very likely that some of the factory terminations have worked loose, and therefore the verification process of each.
It should preferably be based on recent prices paid for similar equipment. Each of the 12 steps is important for ensuring that highquality cost estimates are developed and delivered in time to support important decisions. Aspen capital cost estimator acce is used across the lifecycle of process plant capital projects in the oil and gas, refining, chemicals industries. When preparing preliminary estimates, two methods for estimating the cost of equipment are the rule of sixtenths and the use of cost indices to adjust historic costs to current prices. Section 3, cost estimating methods, discusses historical, conceptual, riskbased, and cost based estimating methods and estimating software. Furthermore, a comparison to aspen capital cost estimation acce software package will be done as well. How to estimate the cost of installing an electrical. The accuracy of this type of estimate will depend on what stage. This module starts with calculation of production time, cost rate, machining cost and cost of a machined unit, which depends on calculation of tooling cost and material cost.
Process planning cost estimation pdf this page intentionally left blank. Jan 01, 2002 this report presents generic cost curves for several equipment types generated using icarus process evaluator. A new machining cost calculator mc2 mathew johnson and tony schmitz mechanical and aerospace engineering university of florida gainesville, fl, usa introduction a common objective in manufacturing research is to increase productivity and efficiency while decreasing cost. Equipment design and cost estimation for small modular. Instructions for file equipment costs accompanying plant design and economics for chemical engineers, 5th edition, peters, timmerhaus, and west. A lower efficiency or a shorter life may be com pensated for by a lower price.
Contains all the data you need to determine the cost of your equipment. After estimating materials and labor, the following items are added. Gas cleanup design and cost estimates black liquor gasification. The cost curves and other information contained in this report can then be used to develop the overall process plant capital cost using the factored estimation methodology. Its mission is to provide and support safe, reliable, and cost effective transportation options to improve livable communities and. We provide this educational process equipment cost information to help you establish project scope in evaluation of process alternatives. Chapter 4 cost of construction labor and equipment construction labors influence every part of a project.
For an undergraduate introductory or advanced course in construction cost estimating. Cost estimation cost indexes present cost original cost at time t marshall and swift. Economy of scale incremental cost c, decrease with larger capacities s based on a polynomial expression bc. The relationship between size and cost given in equation 6. Determining whether to make an investment to provide a product for the consumer market deciding if a company should quote on a product for sale to another company purpose of estimating establish the bid price of a product for a quotation or contract. The mechanical design process, 2003, ullman 9 rule of thumb for cost estimating in design materials includes raw materials, purchased parts and scrap manufacturing includes labor for mfg and assembly and related overhead, packaging materials for shipping, sales price includes salary and benefits for design, finance and. Key goals of the estimating process described in this manual include. After processing the results of questionnaires was realized an analysis of correlations between factors influencing the choice of cost estimation types and cost estimation types. Author notes that he owes his initiation into ve to mr. This deliverable is the final report for task 1, cost estimates of small modular systems, as part of nrel award aco544027, equipment design and cost estimation for small modular biomass systems, synthesis gas cleanup and oxygen separation equipment. Used for estimating equipment in the conceptual phase. Whether you are manufacturing your own product to sell, or you are with a job shop that needs to manufacture parts for others, you will need to be able to estimate the costs associated with manufacturing the parts.
Fundamentals of capital cost estimating a tcm approach lou vidotto managing director of vidotto group. Enough detail to present and defend the estimate by showing its completeness, accuracy, and high quality. These could be as under i a order of magnitude estimate this is arrived at by using some historical cost data which are updated as under. This report presents generic cost curves for several equipment types generated using icarus process evaluator. Checkvalidate and update estimate to reflect actual cost data and conduct. Equipment costs for plant design and economics for chemical. Usually, an industrial process requires several major equipment components such as furnaces. Download me6005 process planning and cost estimation lecture notes, books, syllabus parta 2 marks with answers me6005 process planning and cost estimation important partb 16 marks questions, pdf books, question bank with answers key. The curves give purchased equipment cost as a function of a capacity. The 2016 national construction estimator lists estimated construction costs to general contractors performing the work with their own crews, as of mid2016. Once individual equipment costs are known from either manufacturers price quotations or estimating charts as discussed in the previous chapter, they can be utilized to form preliminary total plant cost estimates. This work was performed to assist netl engineers and scientists in performing rapid, order of magnitude level cost estimates or as an aid in evaluating the reasonableness of cost estimates submitted with proposed systems studies or proposals for new processes.
Cost estimation method of guthrie equipment purchase cost. The cost estimating team should request acceptance approval of the estimate. Estimation of purchased equipment costs the cost of the purchased equipment is used as the basis of the factorial method of cost estimation and must be determined as accurately as possible. Parametric cost estimation of process equipment is introduced in this article as a shortcut method in fast estimation of equipment cost. Each revenue code was crosswalked to a cost center on the cost report and the appropriate cost per diem per diem or cost to charge ratio ccr was assigned. The column at the left lists equipment types alphabetically. Process equipment cost estimation, final report osti.
Estimating is the process of looking into the future and trying to predict project costs and resource requirements. Matches provides conceptual orderofmagnitude process equipment cost estimates for over 275 types of equipment used in the chemical and metallurgical industry. Detailed estimate requires the breakdown of project costs into the labor, material and equipment costs. Because estimates are now prepared much earlier in the acquisition lifecycle, well before concrete technical information is. Equipment design and cost estimation for small modular biomass systems, synthesis gas cleanup, and oxygen separation equipment. The steps of a highquality cost estimating process step. This course deals with advanced concepts in valuation. Ive project how to estimate the cost of an equipment from perry book ive table in attachment but what the steps and how can i estimate the cost of an equipment like heat exchanger could any body help me in this best regards. Pdf suitable method for capital cost estimation in chemical. It must be remembered in using these charts that there is no. A few mode of estimation has been proposed by the american association of cost engineers in respect of fixed capital costs. When the computer era began back in the 1940s, there were few computers in use and applications were mostly.
The following section provides very rough cost estimates for a wide variety of process equipment. Equipment sizing and capital cost estimation 2 selection of topics depends on previous exposure to process economics can begin with cost accountinggives a good view of corporate finances and considerations when evaluating a potential design. The curves give purchased equipment cost as a function of a capacity variable. Cost estimation methods are approximate and the more distant the data on. Quality control of cost estimation process in construction organizations dr. Cost engineering techniques and their applicability for cost.
Collect data and normalize them for cost accounting, inflation, learning and quantity adjustments. The main subject of this research is related to the importance of cost estimation in the conceptual process planning stage. Quantity and cost materials consumed in the process e. Cost estimating methods cost estimating is a valuable tool that is used in each of the acquisition phases. At cost engineering we therefore promote that companies should make a step in bringing the estimating and project controls departments closer together, as opposed to two different departments each with their own different views and tools. Module factor, mf, affected by bc, taking into account.
Use the builtin cost models to get to your specific equipment costs and be able to quickly build a total installed cost estimate using w. Hamilton pmp ccp dif abstract a critical point in the progression of any project is the decision to commit significant resources and implement the project. A typical process for developing a cost estimate using one of these systems would include. Process equipment cost estimation, final report electronic. The foundation of most estimates is the cost of individual pieces of equipment, and developing that estimating skill is the purpose of this chapter. The methodology outlined in this guide is a compilation of best practices that federal cost estimating organizations and industry use to. Centrifugal pump cost estimate an interactive javascript equipment capital cost estimating aid orderofmagnitude. Process equipment cost estimation, final report page 1 of.
One easy method of developing such estimates is to base them on a known cost. The purpose of this course is to give the user a solid understanding of how mergers and acquisitions work. If a similar design has already been estimated or exists in the company archive, the. Early manufacturing cost estimate for mechanical parts. They operate equipment and fabricate and install materials. Based on basic engineering and quotes from suppliers and contractors. Process equipment cost estimation, final report unt digital. Using this method, you individually estimate units of materials and labor for each task you listed in your estimating framework. Preliminary cost estimate and scheduling of mits civil and environmental engineering building by pushkar v. You should exercise caution in use of this educational content. There are a number of cost estimating techniques that can be used in estimating the costs of a future and current weapon system.
Desai and bandyopadhyay 79 combine correlations from. This work was performed to assist netl engineers and scientists in performing rapid, order of magnitude level cost estimates or as an aid in evaluating the reasonableness of cost estimates submitted with. This text comprehensively covers the fundamental cost estimating principles and processes used in commercial construction today. The actual cost of a piece of equipment depend upon many factors. A simple tool to predict the total cost of a facility. The government accountability office gao cost estimating process consists of twelve 12 steps. Quality control of cost estimation process in construction. Capital cost estimation methods are derived from process in dustries.
1193 1130 1025 466 1152 568 438 350 1028 1427 1141 218 591 770 1338 538 381 1533 994 1197 1069 1369 1110 710 1120 785 1499 198 892 921 901 890 1073