There is also an apparent conflict with the leastfirst cost method of contract administration. Sep 01, 2003 the software uses a life cycle costing methodology based on the astm standard practice for life cycle costing and a cost classification scheme developed by nist. It contains the bridge lifecycle cost analysis blcca software package and users manual. The bureau of design and environment bde shall publish and maintain a manual that establishes uniform policies and procedures for the location, design, and environmental evaluation of highway construction projects on the state highway system. An example illustrates application of the tool to compare the lifecycle costs for rehabilitation versus replacement of a bridge. Life cycle costs were estimated for maintaining bridge decks for 100 years considering the present age of the deck. Identify the most cost effective major work actions for each design option from the lcca stand point. The main goals of the etsi project are to develop a nordic unified methodology and computer program for bridge lcc evaluation. Bridgelcc is userfriendly life cycle costing software developed by the national institute of standards and technology nist to help bridge engineers assess the cost effectiveness of new, alternative construction materials. Life cycle cost analysis lcca is a method for assessing the total cost of facility ownership.
Bridge lifecycle cost analysis blurbs new blurbs main. Trbs national cooperative highway research program nchrp report 483. Construction owners cost maintenance owners cost traffic management owners cost traffic delay costs users costs the august 1, 2007, failure of the i35w bridge in minneapolis, minn. Hawk and ehlen 2003 developed the bridge lcca programs blcca and. The following are the reference materials when executing a consultant agreement for highway work. The proposed method evolves from the inspection records of new york city bridges and their components. California dot price index for selected highway construction costs. Product life cycle management plm is the integration of all aspects of a product, taking it from conception through the product life cycle plc to the disposal of the product and components. Identify the most effective bridge solutions in different span ranges.
The fundamentals and practical usage of corresponding author. The software uses a life cycle costing methodology based on both astm standard e 917 and a cost classification developed. The two primary obstacles for applying bridge lifecycle cost analysis blcca have been the lack of a uniformly accepted methodology and the lack of access to reliable cost and service life personnel. Lifecycle assessment lca of existing bridges and other structures author. Service life and sustainability of concrete bridges. Using bridge lifecycle cost analysis tools for map21 by nathaniel coley and m.
It wont be long before estimators may be presenting the estimated costs in two different ways one as the dollars per square foot of the initial costs and another as the dollar per square foot of the life. Bouska, evaluation of maturity of bim tools across different software. This user manual describes the functions and settings in bridgelcc and includes example analyses that illustrate its use. The software uses a lifecycle costing methodology based on both astm standard e 917 and a cost classification developed. Lcc is often used to better manage the costs of a building project or material throughout its life cycle.
Bridge maintenance life cycle cost assessment lifecycle. A full lifecycle cost analysis is conducted in this work using the software bridgelcc 2. Bridge lifecycle cost analysis national cooperative highway research nchrp program report 483. Lifecycle cost and risk management analyses are the main analyses expected to be included in a states tamp. The blcca software provides a tool for professionals to apply the lifecycle cost analysis concepts and methodologies to the analysis of bridges. The building life cycle cost blcc software program is also available from its website for lcca of capital investments in buildings. Bridge lifecycle cost analysis contains a methodology for bridge lifecycle cost analysis blcca, software that automates the methodology, and a guidance manual for carrying out blcca. The report describes the research effort leading to the recommended methodology and includes a guidance manual for carrying out blcca and software that. Renovation and maintenance costs play an important role in the construction life cycle and need to be taken into consideration, too. Plm merges the overarching vision that an organization has for managing the data, people, software, manufacturing, marketing, and overall plans for the. The aim of this study is to conduct a lifecycle cost analysis and lifecycle assessment of four different bridge design alternatives.
Apr 26, 2012 cost benefit assessment of bridge maintenance strategies is possible if related expenditures can be correctly evaluated over an appropriate life cycle and if they produce a known effect on structural performance. This cdrom accompanies nchrp report 483, bridge lifecycle cost analysis. The user cost per hour values are based on federal highway administration fhwa publication number fhwasa98079, lifecycle cost analysis in pavement design. The paper presents an example of how to approach this issue. Using bridge lifecycle cost analysis tools for map21. Whole of life cycle cost analysis in bridge rehabilitation v executive summary the report presents a methodology for whole of life cycle cost analysis of alternative treatment options for bridge structures, which require rehabilitation. Realcost software that provides a tool to perform an lcca in. Use of the term tco appears to have been popularised by gartner group in 1987 5 but its roots are considerably older, dating at least to the first quarter of the twentieth century. The two primary obstacles for applying bridge life cycle cost analysis blcca have been the lack of a uniformly accepted methodology and the lack of access to reliable cost and service life personnel. Wholelife cost is often referred to as total cost of ownership tco when applied to it hardware and software acquisitions. Bridge life cycle cost analysis national cooperative highway research nchrp program report 483.
Lcca is especially useful when project alternatives that fulfill the same performance requirements, but differ with respect to initial costs and. Bridge lifecycle cost analysis report 483 transportation. Life cycle cost analysis fhwa us department of transportation. Purpose life cycle costing lcc is an important economic analysis used in the selection of alternatives that impact both pending and future costs. Dean carlson, secretary of transportation, kansas dot. The report appendixes and guidance manual are accessible from the software. Using bridge life cycle cost analysis tools for map21 by nathaniel coley and m. Existing bridge will require sizeable annual maintenance expenditure and some repair to achieve 38 years of service life. Lifecycle cost analysis lcca is a necessary component in bridge management systems for assessing investment decisions and identifying the most costeffective improvement alternatives. This is a key concept for your pmp preparation pertaining to the project cost management knowledge area. Advantages of a bridge managementadvantages of a bridge management software program.
Each system was compared on the premise of initial cost, life. Fhwa using bridge lifecycle cost analysis tools for map21. Bridge life cycle cost analysis blcca, developed under nchrp project 1243, is an analysis tool with an engineeringoriented approach that uses models to estimate cost data, traffic growth, bridge condition, and load capacity, both under normal conditions and during construction activities. Technology to help bridge designers determine the cost effectiveness of alternative bridge designs, construction and repair strategies, and construction materials. Guidance on discount rates real discount rate of 3% with a sensitivity analysis ranging from 2% to 5%more on sensitivity analysis later states may select higher or lower rates, but rate should be justified. Innovation in bridge lifecycle cost assessment sciencedirect. It takes into account all costs of acquiring, owning, and disposing of a building or building system. Myint lwin, federal highway administration figure 1. Lcc assesses all costs that occur over the buildings lifetime including construction costs, maintaining. Examples of lifecycle costing lcc in project management. System selects solutions for lowest life cycle cost 20year work plan for each structure annual work plan for district goal is to minimize life cycle cost across the network removes decisionmaking from district structural maintenance engineer heavy lift to find and implement software. Land use, lane closures, life cycle cost analysis, lighting, light rail, local roads, longitudinal joints, lrfd, maglev, magnesium chloride, mailboxes. Life cycle cost analysis lcca is a datadriven tool that provides a detailed account of the total costs of a project over its expected life. An example comparing the lifecycle costs for rehabilitation versus replacement of a bridge using the federal highway administration bridge lifecycle cost analysis blcca software tool.
Bridge lifecycle cost analysis contains the findings of a study to develop a methodology for bridge lifecycle cost analysis blcca for use by transportation agencies. The life cycle costing methods for bridges are still under development and need. Projecte o tesina despecialitat lifecycle assessment lca. A briefing on lifecycle cost analysis of new bridge design.
Currently, the michigan department of transportation mdot updates these costs yearly using the cpi, which follows the same methodology as detailed in the fhwa publication, with the. Annual supplement to nist 5 refers to the energy price indices and discount factors for lifecycle cost analysis 2009, annual supplement to nist 5 and nbs special publication. Mndot mobile device security policy, and related mobile device management software for mobile devices will have to be followed along with the use of the device ipad and downloading and installing the free arcgis collector software from itunes. Bridgelcc is userfriendly lifecycle costing software developed by the national institute of standards and technology nist to help bridge engineers assess the cost effectiveness of new, alternative construction materials. Redbridge software is the oraclefocused brand of ikan, a leading provider of life cycle management solutions.
Life cycle costing and evaluating design alternatives. Propose maintenance and work actions schedule for different superstructure types. This research study demonstrates a unique methodology and present a new systematic way for. Costbenefit assessment of bridge maintenance strategies is possible if related expenditures can be correctly evaluated over an appropriate life cycle and if they produce a known effect on structural performance.
The structural design clearly influences the operating costs of the building, which can be predicted. Whole life cost is often referred to as total cost of ownership tco when applied to it hardware and software acquisitions. Trbs second strategic highway research program shrp 2 report s2r19arw2. The scope of the service life estimates was limited to the validation of the probability. The project was aided by the use of aashto lfrd bridge design specifications, a series of bridge engineering handbooks, and risas structural engineering software, in addition to many other sources.
May, 2016 the building life cycle cost blcc software program is also available from its website for lcca of capital investments in buildings. It compares initial investment options and identifies the least cost alternatives for a twenty year period. Quantifying the impact of bridge maintenance activities on. Life cycle assessment, life cycle costs, bridge management systems, software tools most buildings are intended to have. An example comparing the life cycle costs for rehabilitation versus replacement of a bridge using the federal highway administration bridge life cycle cost analysis blcca software tool.
Evaluation of bridge project variants from the lcc. Life cycle costing lcc is the process of identifying and documenting all the costs involved over the life of an asset. Cypherbridge serves customers throughout the full product life cycle from specification, design and engineering, to production and support. Life cycle costs were estimated using both present worth and considering the inflated costs vdot would expend to maintain concrete decks. Lifecycle costs the four components of lifecycle costs are. A new life cycle framework to integrate all bridge life cycle considerations like the aesthetical and cultural value, and the environmental impact with the economic issues become very essential for achieving sustainable infrastructure. The lcca helps to identify the lowest cost alternative that accomplishes project objectives by providing critical information for the overall decisionmaking. There is also an apparent conflict with the leastfirstcost method of contract administration. Evaluation of lifecycle cost analysis programs for bridge pile. This software is specifically tailored to highway bridges.
Lifecycle cost analysis life cycle cost analysis design. To select and evaluate alternatives, the model performs a life cycle cost analysis. The software uses a life cycle costing methodol ogy based on the astm e917 standard practice for life cycle costing and a cost classi fication scheme developed by nist ehlen 2003. Accurately capture and maintain bridge data proactively monitor overall condition of bridges tk t dhitilbidtrack current and historical bridge information assists with factoring bridge mait it l bd tintenance into yearly budget.
The software uses a life cycle costing methodology based on the astm standard practice for life cycle costing and a cost classification scheme developed by nist. Transportation research board executive committee 2002 membership as of november 2002 officers chair. Life cycle costing in construction with one click lca software. Bridge life cycle cost analysis contains a methodology for bridge life cycle cost analysis blcca, software that automates the methodology, and a guidance manual for carrying out blcca. Consultant resources illinois department of transportation. Life cycle costing make you consider the entire ownership costs of a project before making a decision. Quantification methods all five respondents apply engineering judgment when attempting to quantify the benefits of bridge maintenance, and all but michigan dot also use condition rating information. An example comparing the life cycle costs for rehabilitation versus replacement of a bridge using the federal highway administration bridge lifecycle cost analysis blcca software tool. The software uses a lifecycle costing methodology based on the astm standard practice for lifecycle costing and a cost classification scheme developed by nist. Life cycle cost analysis for short and medium span bridges. Bridge life cycle cost analysis contains the findings of a study to develop a methodology for bridge life cycle cost analysis blcca for use by transportation agencies. Ultimate product life cycle management guide smartsheet. Lifecycle cost analysis lcca is a necessary component in bridge management systems bmss for assessing investment decisions and identifying the most costeffective improvement alternatives.
In this article, we introduce life cycle costing and give examples of life cycle costing in making project management decisions. All cost items and unit amounts throughout the lifecycle are. Bridge life cycle cost analysis blcca example assumptions contd. The software uses a lifecycle costing methodol ogy based on the astm e917 standard practice for lifecycle costing and a cost classi fication scheme developed by nist ehlen 2003. Bridge lifecycle cost analysis blcca, developed under nchrp project 1243, is an analysis tool with an engineeringoriented approach that uses models to estimate cost data, traffic growth, bridge condition, and load capacity, both under normal conditions and during construction activities. Fhwa promotes lifecycle cost analysis lcca as an engineering economic analysis. The blcca software provides a tool for professionals to apply the lifecycle costanalysis concepts and methodologies to the analysis of bridges. Bridge lifecycle cost analysis transportation research. Bridge lifecycle cost analysis transportation research board. Next generation lifecycle cost analysis tool for bridges in iowa. When making funding decisions under constrained budgets, it is.
Projecte o tesina despecialitat lifecycle assessment. Bridgelcc is userfriendly lifecycle costing software developed by the national institute of standards and technology nist to help bridge. The guidelines for life cycle cost analysis lcca instruct project. Life cycle assessment, life cycle costs, bridge management systems, software tools most buildings are intended to have a long service life, usually over 50 or even 100 years. We work with leading industry partners to deliver costeffective software solutions for data privacy, safety and reliability. The second strategic highway research program shrp2 is a national partnership of key transportation organizations. Introduction the paper presents the methodology and tools for the assessment of the life cycle cost lcc of bridges developed at the czech technical university in prague ctu in prague. To improve the costeffectiveness of its building and renovation programs, stanford must invest in designs and systems with improved longterm performance.
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