1、Designation:E180416Standard Practice forPerforming and Reporting Cost Analysis During the DesignPhase of a Project1This standard is issued under the fixed designation E1804;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers an arranged method for providingcost analysis during the design phase of a building project.1.2 The us
3、e of this practice increases the level of commu-nication between the design professional,owner,and the costprofessional providing the cost consulting services.1.3 The practice establishes a structured method to supportdesign decisions.1.4 The practice provides design and cost professionals witha fra
4、mework for historically tabulating information to be usedon relevant future projects.2.Referenced Documents2.1 ASTM Standards:2E631 Terminology of Building ConstructionsE833 Terminology of Building EconomicsE1369 Guide for Selecting Techniques for Treating Uncer-tainty and Risk in the Economic Evalu
5、ation of Buildingsand Building SystemsE1557 Classification for Building Elements and RelatedSiteworkUNIFORMAT IIE2514 Practice for Presentation Format of Elemental CostEstimates,Summaries,and Analyses3.Terminology3.1 DefinitionsFor definitions of general terms related tobuilding construction used in
6、 this practice,refer to Terminol-ogy E631;and for general terms related to building economics,refer to Terminology E833.4.Summary of Practice4.1 This practice provides an organized approach for costanalysis during the design phase of a building project.Thepractice presents the necessary information
7、for the designprofessional and owners to make decisions.4.2 This practice establishes a recommended procedure forformatting the final project information for its use in forecast-ing the cost of future projects.5.Significance and Use5.1 This practice increases the level of communication,provides an o
8、rganized approach to cost control during thedesign of a project,and also provides a means of identifyingextraordinary cost items and changes in assumptions betweenestimates.5.2 The users of this practice include owners,developers,contractors,costprofessionals,estimators,architects,engineers,specific
9、ation writers,quantity surveyors,and any-one charged with the responsibility of successfully managingthe design of a building and its related site work within aspecified project budget.5.3 Use this reporting format during the following:5.3.1 Contracting for design cost analysis services,5.3.2 Compar
10、ing the current design costs to a previousestimate,and5.3.3 Responding to each design phase.5.4 This practice provides a tool for analyzing designoptions and examining strategies to maintain the projectbudget.6.Types of Estimates and Level of Detail6.1 Purpose of Estimate:6.1.1 The cost analysis pro
11、cedure consists of providinginformation in text and estimate form at the completion of eachsignificant phase of the design process:program,schematic,design development,and construction documents.Apply thisformat for each component when the construction project iscomprised of several definable buildi
12、ng types.6.1.2 Comparisons of UNIFORMAT II estimates to a con-tractors proposal will require the estimate to be resummarizedto MasterFormat.31This practice is under the jurisdiction of ASTM Committee E06 on Perfor-mance of Buildings and is the direct responsibility of Subcommittee E06.81 onBuilding
13、Economics.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 1996.Last previous edition approved in 2012 as E1804-12.DOI:10.1520/E1804-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Boo
14、k of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Construction Specifications Institute(CSI),110 South UnionStreet,Suite 100,Alexandria,VA 22314,http:/www.csinet.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,Wes
15、t Conshohocken,PA 19428-2959.United States1 6.2 Program Phase Estimate:6.2.1 The program/predesign estimate includes constructioncosts,construction impact fees,and construction related ex-penditures.It is prepared from the early stage of the designprocess to assemble project data in a systematic for
16、mat fromestablished project criteria.The resulting report provides thebaseline criteria and costs for the design team.6.2.2 The program predesign estimate is prepared in anelemental form using UNIFORMAT II(Classification E1557and Practice E2514).Elemental analysis allows the estimate tobe prepared using basic elements,costs per square foot(meter)of gross floor area,ratios,and,where necessary,lump sumallowances.Calculate the design allowance using risk evalua-tion techniques as described in 7.7 o
