1、Designation:E180412Standard 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 II3.Terminology3.1 DefinitionsFor definitions of general terms used inthis practice,refer to Terminology E631;and for general termsrelated to building economics,refer to Terminology E833.4.S
6、ummary of Practice4.1 This practice provides an organized approach for costanalysis during the design phase of a building project.Thepractice presents the necessary information for the designprofessional and owners to make decisions.4.2 This practice establishes a recommended procedure forformatting
7、 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 organized approach to cost control during thedesign of a project,and also provides a means of identifyingextraordinary cost
8、items and changes in assumptions betweenestimates.5.2 The users of this practice include owners,developers,contractors,costprofessionals,estimators,architects,engineers,specification writers,quantity surveyors,and any-one charged with the responsibility of successfully managingthe design of a buildi
9、ng 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 Comparing the current design costs to a previousestimate,and5.3.3 Responding to each design phase.5.4 This practice provides a to
10、ol 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 procedure consists of providinginformation in text and estimate form at the completion of eachsignificant phase of the design
11、process:program,schematic,design development,and construction documents.Apply thisformat for each component when the construction project iscomprised of several definable building types.6.1.2 Comparisons of UNIFORMAT II estimates to a con-tractors proposal will require the estimate to be resummarize
12、dto MasterFormat.36.2 Program Phase Estimate:1This practice is under the jurisdiction of ASTM Committee E06 on Perfor-mance of Buildings and is the direct responsibility of Subcommittee E06.81 onBuilding Economics.Current edition approved April 1,2012Apr.1,2012.Published April 2012.Originally approv
13、ed in 1996.Last previous edition approved in 2007 as E1804 07.DOI:10.1520/E1804-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page on
14、the ASTM website.3Available from Construction Specifications Institute(CSI),10 South UnionStreet,Suite 100,Alexandria,VA 22314,http:/www.csinet.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.2.1 The program/predesign estimate inclu
15、des 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 format fromestablished project criteria.The resulting report provides thebaseline criteria and costs for the design
16、team.6.2.2 The program predesign estimate is prepared in anelemental form using UNIFORMAT II(Classification E1557).Elemental analysis allows the estimate to be prepared usingbasic elements,costs per square foot(meter)of gross floorarea,ratios,and,where necessary,lump sum allowances.Calculate the design allowance using risk evaluation tech-niques as described in 7.7 of Guide E1369.6.3 Schematic Design Phase Estimate:6.3.1 The schematic design estimate provides for the firstcost analysis based on
