ASTM E1557-02

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An American National Standard
Designation: E 1557 – 02
Standard Classification for
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Building Elements and Related Sitework—UNIFORMAT II
This standard is issued under the fixed designation E 1557; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 964 Practice for Measuring Benefit-to-Cost and Savings-
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to-Investment Ratios for Buildings and Building Systems
1.1 This standard establishes a classification of building
E 1057 Practice for Measuring Internal Rate of Return and
elements and related sitework. Elements, as defined here, are
Adjusted Internal Rate of Return for Investments in Build-
major components common to most buildings. Elements usu-
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ings and Building Systems
ally perform a given function, regardless of the design speci-
E 1074 Practice for Measuring Net Benefits for Investments
fication, construction method, or materials used. The classifi-
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in Buildings and Building Systems
cation serves as a consistent reference for analysis, evaluation,
E 1121 Practice for Measuring Payback for Investments in
and monitoring during the feasibility, planning, and design
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Buildings and Building Systems
stages of buildings. Using UNIFORMAT II ensures consis-
E 1185 Guide for Selecting Economic Methods for Evalu-
tency in the economic evaluation of buildings projects over
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ating Investments in Buildings and Building Systems
time and from project to project. It also enhances reporting at
E 1369 Guide for Selecting Techniques for Treating Uncer-
all stages in construction—from feasibility and planning
tainty and Risk in the Economic Evaluation of Buildings
through the preparation of working documents, construction,
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and Building Systems
maintenance, rehabilitation, and disposal.
E 1804 Practice for Performing and Reporting Cost Analy-
1.2 This classification applies to buildings and related site
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sis during the Design Phase of a Building Project
work. It excludes specialized process equipment related to a
E 2083 Standard Classification for Building Construction
building’s functional use but does include furnishings and
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Field Requirements, Office Overhead Profit
equipment.
2.2 ASTM Adjuncts:
1.3 The Classification incorporates three hierarchical levels
Discount Factor Tables, Adjunct to Practices E 917, E 964,
described as Levels 1, 2, and 3. Appendix X1 presents a more
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E 1057, and E 1074
detailed suggested Level 4 classification of sub-elements.
Computer Program and User’s Guide to Building Mainte-
1.4 UNIFORMAT II is an elemental format similar to the
2 nance, Repair, and Replacement Database for Life-Cycle
original UNIFORMAT elemental classification. UNIFOR-
Cost Analysis,Adjunct to Practices E 917, E 964, E 1057,
MAT II differs from the original UNIFORMAT, however, in
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and E 1121
that it takes into consideration a broader range of building
types and has been updated to categorize building elements as
3. Terminology
they are in current building practice.
3.1 Definitions—For definitions of terms used in this clas-
2. Referenced Documents sification, refer to Terminology E 833.
2.1 ASTM Standards:
4. Significance and Use
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E 833 Terminology of Building Economics
4.1 This classification defines building elements as major
E 917 PracticeforMeasuringLife-CycleCostsofBuildings
3 components to most buildings. The classification is the com-
and Building Systems
mon thread linking activities and participants in a building
project from initial planning through operations, maintenance,
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This classification is under the jurisdiction of ASTM Committee E06 on and disposal.
Performance of Buildings and is the direct responsibility of Subcommittee E06.81
on Building Economics.
Current edition approved April 10, 2002. Published July 2002. Originally
published as E 1557 – 93. Last previous edition E 1557 – 01.
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The original UNIFORMAT classification was developed jointly by the General Available from ASTM Headquarters. Order PCN 12-509179-10.
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Services Administration (GSA) and the American Institute of Architects (AIA). Available from ASTM Headquarters. Order PCN 12-509171-10 for the 3.5 in.
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Annual Book of ASTM Standards, Vol 04.11. disk. Order PCN 12-509172-10 for the 5.25 in. disk.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E1557–02
4.2 The users of UNIFORMAT II include owners, develop-
ers, facilities programmers, cost planners, estimators, schedul-
ers, architects and engineers, specification writers, operating
and maintenance staff, manufacturers, and educators.
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4.3 Use this cla
...