U. S. DEPARTMENT OF COMMERCE I TECHNOLOGY ADMINISTRATION I National Institute of Standards and Technology

NIST SPECIAL PUBLICATION 841

uniformat n

A Recommended Classification

for Building Elements and

Related Sitework

BRIAN BOWEN

ROBERT P. CHARETTE

HAROLD E. MARSHALL

tE'^lMllkuUllllllllUiIlli
UNIFORMAT II Classification of Building Elements

Level 1 Major Group ElementsLevel 2

Group Elements

Level 3

Individual Elements

SUBSTRUCTURE Foundations Standard Foundations

Special Foundations

Slab on Grade

OaaClllCIlL V.'Uliail UCllUll Basement Walls

SHELL Superstructure Floor Construction

ivooi L^onsiruciion

Exterior Closure Exterior Walls

Windows

Exterior Doors

Roofing Roof Coverings

IxUUl ^-/pcniilga

INTERIORS Interior Construction Partitions

Interior Doors

Specialties

Staircases Stair Construction

Stair Finishes

Interior Finishes Wall Finishes

Floor Finishes

Ceiling Finishes

SERVICES Conveying Systems Elevators

Escalators & Moving Walks

Material Handling Systems

Plumbing Plumbing Fixtures

Domestic Water

Sanitary Waste

Rain Water Drainage

Special Plumbing Systems

HVAC Energy Supply

Heat Generating Systems

Cooling Generating Systems

Distribution Systems

Terminal & Package Units

Controls & Instrumentation

Special HVAC Systems & Equipment

Systems Testing & Balancing

(CONTINUED ON INSIDE OF BACK COVER)
NIST Special Publication 841

UNIFORMAT II—A Recommended

Classification for Building Elements and

Related Sitework

Brian Bowen

Hanscomb Associates Inc., Atlanta

Robert P. Charette

Le Groupe Hanscomb Inc., Montreal

Harold E. Marshall

Office of Applied Economics

Computing and Applied Mathematics Laboratory

National Institute of Standards and Technology

Gaithersburg, MD 20899

Issued August 1992

U.S. DEPARTMENT OF COMMERCE

Barbara Hackman Franklin, Secretary

Technology Administration

Robert M. White, Under Secretary for Technology

National Institute of Standards and Technology

Johns W. Lyons, Director

and
National Institute of Standards U.S. Government Printing Office

and Technology Washington: 1991

Special Publication 841

Natl. Inst. Stand. Technol.

Spec. Publ. 841

51 pages (Aug. 1992)

CODEN: NSPUE2

For sale by the Superintendent

of Documents

U.S. Government Printing Office

Washington, DC 20402
Abstract

This report describes UNIFORMAT II, a format for classifying building elements and related

sitework. Elements, as defined here, are major components common to most buildings. Elements

usually perform a given function, regardless of the design specification, construction method, or

materials used. Elements are also commonly referred to as systems or assemblies. Using

UNIFORMAT II ensures consistency in the economic evaluation of building projects over time and

from project to project, and it enhances reporting at all stages in construction—from feasibility and

planning through the preparation of working documents, construction, maintenance, rehabilitation,

and disposal. UNIFORMAT II is a significant advance over the original UNIFORMAT classification

because the new version is the result of an intensive industry review and has added elements and

expanded descriptions of many existing elements. Performing an economic analysis based on an

elemental framework instead of on a product-based classification reduces the time and costs for

evaluating alternatives at the design stage, and thereby encourages more economic analyses and more

economically efficient choices among buildings and building elements. Collecting capital, operating,

and maintenance costs according to UNIFORMAT II is an efficient approach to project evaluation

using life-cycle cost, net benefits, rate-of-return, and payback analyses. Elements are classified in

three hierarchical levels of definition. Level 1 identifies seven Major Group Elements, such as the

Substructure, Shell, and Interiors. Level 2 further subdivides Level 1 into Group Elements. The

Shell, for example, includes the Superstructure, Exterior Closure, and Roofing. Level 3 breaks the

Group Elements further into Individual Elements. Exterior Closure, for example, includes Exterior

Walls, Windows, and Exterior Doors. UNIFORMAT II produces additional benefits such as providing a format for collecting and analyzing historical data to use in estimating and budgeting

future projects; providing a check list for the cost estimation process as well as the

creativity/brainstorming phase of value engineering procedures; providing a basis for training in cost

estimation; facilitating communications among members of a project team regarding costs and scope

of work in each discipline; and establishing a database for automated cost estimating. Owners,

developers, programmers, cost planners, schedulers, architects and engineers, operating and

maintenance staff, manufacturers, specification writers, and educators will find the classification

useful.

iii

Preface

This is the sixth in a series of National Institute of Standards and Technology (NIST), formerly the

National Bureau of Standards, reports on recommended standards related to applying economic

evaluation methods to building decisions.' The first four dealt with the theory and application of

economic methods of analysis, including life-cycle costing, net benefits, benefit-to-cost and savingsto-investment ratios, internal rate of return, and payback. These reports were used as the bases for

standard practices published by the American Society for Testing and Materials (ASTM). The fifth

NIST report was a recommended guide that focused on techniques that account for uncertainty in

project input values and techniques that measure the risk that a project will have a less favorable

economic outcome than what is desired or expected. ASTM used it as the basis for a standard guide

for selecting among techniques for handling uncertainty and risk in project evaluation.

This report differs from the earlier recommended practices and guides in that it recommends a standard classification of building elements. The purpose of the classification is to ensure

consistency in the format used for the economic evaluation of building projects over time and from

project to project, and to enhance reporting at all stages of building procurement-from feasibility

and planning through the preparation of working documents, construction, maintenance,

rehabilitation, and disposal.

This report supports an ongoing standards development activity by ASTM's Building Economics

Subcommittee (E06.81) and is in response to requests from the building community for a standard

classification based on building elements rather than building products or materials. The report will

be used as the technical basis for the development of an ASTM standard classification for elements

of buildings and related sitework. It complements the existing set of ASTM practices, guides, and

adjuncts by providing a format for collecting and evaluating costs in the economic evaluation of

buildings and building systems. It also provides a standard framework for other design and

construction-related activities such as project descriptions and scheduling.

The previous five reports are as follows: Harold E. Marshall, Techniques for Treating Uncertainty and Risk in the

Economic Evaluation of Building Investments . National Institute of Standards and Technology Special Publication 757,

September 1988; Rosalie T. Ruegg, Stephen R. Petersen, and Harold E. Marshall, Recommended Practice for Measuring

Life-Cycle Costs of Buildings and Building Systems , National Bureau of Standards Interagency Report 80-2040, June

1980; Harold E. Marshall and Rosalie T. Ruegg, Recommended Practice for Measuring Benefit/Cost and Savings-toInvestment Ratios for Buildings and Building Systems , National Bureau of Standards Interagency Report 81-2397,

November 1981; Harold E. Marshall, Recommended Practice for Measuring Net Benefits and Internal Rates of Return

for Investments in Buildings and Building Systems, National Bureau of Standards Interagency Report 83-2657, October

1983; and Harold E. Marshall, Recommended Practice for Measuring Simple and Discounted Payback for Investments

in Buildings and Building Systems , National Bureau of Standards Interagency Report 84-2850, March 1984.

V

Acknowledgments

Thanks are due to the ASTM members and others who participated in the development of an

improved classification for building elements and thereby have helped determine the framework of

this report. The industry-wide technical support from professional societies and the public and

private sectors has contributed greatly to arriving at a consensus for this classification. Special

appreciation for their contributions to the report is extended to Kenneth Humphreys, Executive

Director of the American Association of Cost Engineers, Robert Johnson, past President of the

Construction Specifications Institute, and Dana Smith, Director of the NAVFAC Engineering

Systems Management Division and Chairman of the Tri-Services Work Breakdown Structure

Subcommittee. Thanks are also due to Noel Raufaste and Stephen Weber of NIST for their technical

review of the report, and to Laurene Linsenmayer for her typing of the manuscript. And finally,

thanks are due to R. S. Means, Inc. for the cover art work.

vii

Contents

Page

Abstract iii

Preface v

Acknowledgments vii

1. Introduction 1 1.1 Background 1 1.2 Purpose and Benefits 4

1.3 Organization 4

2. UNIFORMAT II Classification for Building Elements and Related Sitework 7

2.1 Framework of the Built Environment 7

2.2 Criteria for the Proposed Classification 7

2.3 Classification of Building Elements 8

2.4 Classification of Building-Related Sitework 10

3. Description of Building Elements 11

3.1 Foundations 11

3.1.1 Standard Foundations 11

3.1.2 Special Foundations 11

3.1.3 Slab on Grade 12

3.2 Basement Construction 12

3.1.1 Basement Excavation 12

3.2.2 Basement Walls 12

3.3 Superstructure 12

3.3.1 Floor Construction 12

3.3.2 Roof Construction 13

3.4 Exterior Closure 13

3.4.1 Exterior Walls 13

3.4.2 Windows 13

3.4.3 Exterior Doors 14

3.5 Roofing 14

3.5.1 Roof Coverings 14

3.5.2 Roof Openings 14

3.6 Interior Construction 15

3.6.1 Partitions 15

3.6.2 Interior Doors 15

3.6.3 Specialties 15

3.7 Staircases 16

3.7.1 Stair Construction 16

3.7.2 Stair Finishes 16

3.8 Interior Finishes 16

3.8.1 Wall Finishes 16

3.8.2 Floor Finishes 16

3.8.3 Ceiling Finishes 17

ix
Contents (continued)

Page

3.9 Conveying Systems 17

3.9.1 Elevators 17

3.9.2 Escalators and Moving Walks 17

3.9.3 Material Handling Systems 17

3.10 Plumbing 18

3.10.1 Plumbing Fixtures 18

3.10.2 Domestic Water 18

3.10.3 Sanitary Waste 18

3.10.4 Rain Water Drainage 18

3.10.5 Special Plumbing Systems 19

3.11 HVAC 19

3.11.1 Energy Supply 19

3.11.2 Heat Generating Systems 19

3.11.3 Cooling Generating Systems 19

3.11.4 Distribution Systems 20

3.11.5 Terminal and Package Units 20

3.11.6 Controls and Instrumentation 21

3.11.7 Special HVAC Systems and Equipment 21

3.11.8 Systems Testing and Balancing 21

3.12 Fire Protection 21

3.12.1 Sprinkler Systems 21

3.12.2 Stand-Pipe Systems 21

3.12.3 Fire Extinguishers 22

3.12.4 Special Fire Protection 22

3.13 Electrical 22

3.13.1 Service and Distribution 22

3.13.2 Lighting and Branch Wiring 22

3.13.3 Communications and Security Systems 23

3.13.4 Special Electrical Systems 23

3.14 Equipment 23

3.15 Furnishings 23

3.16 Special Construction 24

3.17 Selective Building Demolition 24

3.17.1 Building Elements 24

3.17.2 Hazardous Components 24

4. Description of Building-Related Sitework 25

4.1 Site Preparation 25

4.1.1 Site Clearing 25

4.1.2 Site Demolition and Relocations 25

4.1.3 Site Earthwork 25

4.1.4 Hazardous Waste Remediation 25

x
Contents (continued)

Page

4.2 Site Improvement 25

4.2.1 Roadways 25

4.2.2 Parking Lots 26

4.2.3 Walics and Terraces 26

4.2.4 Site Development 26

4.2.5 Landscaping 26

4.3 Site Civil/Mechanical Utilities 27

4.3.1 Water Supply and Distribution Systems 27

4.3.2 Sanitary Sewer Systems 27

4.3.3 Storm Sewer Systems 27

4.3.4 Heating Distribution 27

4.3.5 Cooling Distribution 27

4.3.6 Gas Distribution System 28

4.3.7 Other Civil/Mechanical Utilities 28

4.4 Site Electrical Utilities 28

4.4.1 Electrical Distribution 28

4.4.2 Exterior Lighting 28

4.4.3 Exterior Communications and Security 28

4.4.4 Other Electric Utility Systems 28

4.5 Other Site Construction 29

4.5.1 Service Tunnels 29

4.5.2 Other Site Systems and Equipment 29

5. Applications and Limitations 31

5.1 Cross-Filing of Product Literature and Technical Guides 31

5.2 Building Performance Code Formats 31

5.3 Computer-Aided Design Reference Framework 32

5.4 Preliminary Project Descriptions 32

5.5 Construction and Operating and Maintenance Cost Databases 32

5.6 Planning and Feasibility Studies, and Space Programming 33

5.7 Estimating and Controlling Costs During Design and Construction 33

5.8 Economic Analysis 33

5.9 Risk Analysis 33

5.10 Value Engineering 34

5.11 Project Scheduling 34

5.12 Limitations 34

xi
Contents (continued)

Page

6. Relationship to Other Formats 35

6.1 Elemental Formats 35

6.2 Product Formats 35

Appendix A Author Profiles 37

Appendix B CSI MASTERFORMAT Division Titles for

Divisions 1-16 39

Appendix C CSI MASTERFORMAT Broadscope Section Titles for

Divisions 11—Equipment, 12—Furnishings, and 13—Special Construction .... 41

Appendix D References 43

LIST OF CHARTS

Chart 1.1 Elemental Classifications 3

Chart 2.1 UNIFORMAT II Classification of Building Elements 8

Chart 2.2 UNIFORMAT II Classification of Building-Related Sitework 10

Chart 6.1 Relationship of UNIFORMAT to MASTERFORMAT 36

LIST OF FIGURES

Figure 2.1 Framework of the Built Environment 7

xii
1. Introduction

1.1 Background

The building community needs a format or classification framework to serve as a consistent reference

for analysis, evaluation, and monitoring of buildings during the planning, feasibility, and design

stages.^ An elemental building classification is one approach to meeting these objectives. Elements,

as defined here, are major components common to most buildings. Elements usually perform a given

function regardless of the design specification, construction method, or materials used. Examples

of elements would be the Foundations, Exterior Walls, Sprinkler Systems, and Lighting. Elements

are also commonly referred to as systems or assemblies in current practice.

Hanscomb Associates in the United States developed for the American Institute of Architects (AIA)

in 1973 an elemental format called MASTERCOST. In conjunction with the General Services

Administration (GSA), a consensus format named UNIFORMAT^ was then produced.

UNIFORMAT never gained "standard" status or Federal recognition as an official elemental

classification. Yet, it usually forms the basis of any elemental format called for in the United States.

The elemental classification proposed in this report for consideration as a standard is also based in

part on the original UNIFORMAT. We call the recommended classification UNIFORMAT II to

emphasize that it is an elemental classification similar to the original UNIFORMAT.

UNIFORMAT II provides some significant advances over UNIFORMAT.^ UNIFORMAT II takes

into consideration a broader range of building types than those considered by GSA, comments for

improvement received from practitioners over the 16 years since UNIFORMAT's introduction, and

a multi-disciplinary review from building professionals. Concurrent with the development of

UNIFORMAT II, the three main United States Department of Defense agencies were working

towards a coordination of their separate interpretations of UNIFORMAT. Their collaboration with

the ASTM Subcommittee Task Group that is preparing the new standard classification was helpful

in writing UNIFORMAT II in a way that is likely to achieve consensus in its acceptance as a

standard.

The need for an elemental classification is most apparent in the economic evaluation of building

alternatives at the design stage. One way of obtaining an estimate of the life-cycle costs of design

alternatives is to perform detailed quantity takeoffs of all materials and tasks associated with the

construction, operation, and maintenance of the buildings. MASTERFORMAT,^ a classification

that is based on products and materials, is a logical format choice when preparing detailed cost

Buildings are the focus of this report, but they represent only one feature of the built environment, as shown in

figure 2.1. The Construction Specifications Institute has pledged to expand the classifiction to accommodate other

elements of the built environment.

Hanscomb Associates Inc., Automated Cost Control & Estimating System , first ed. (Washington, DC: General

Services Administration, 1975).

'^Note that Brian Bowen, a co-author of this report, was the principle author of UNIFORMAT. See Appendix A for a short biographical description of the authors.

^The Construction Specifications Institute. MASTERFORMAT. 1988 edition (Alexandria, VA: CSI, 1988).

1
estimates. But a cost estimate prepared using a format based on a listing of products and materials

is time consuming and inappropriate due to a lack of detailed design information when conducted at the early project stages. Yet, it is in the early stages that economic analysis is most important in

establishing the economically efficient choices among building alternatives. Only an elemental-based

format readily provides the necessary cost information for the analyst to evaluate building alternatives

in a cost-effective manner.

Users of building classification formats recognize that both elemental and detailed product formats

have their applications and can be complementary. Uman^ states that "Both estimating formats

should be formalized into estimating standards for the building design and construction industry:

MASTERFORMAT for design manuals and construction estimating, and UNIFORMAT for building

design and construction cost comparison and analysis." Johnson^ predicts that "UNIFORMAT will

become the official consensus elemental and systems-based format that will be widely used in the

construction industry..." and that "UNIFORMAT will not be considered a competitor to

MASTERFORMAT, but rather as a companion format where each has its appropriate uses."

Elemental formats have emerged in other countries in the search for a better format to help perform

economic analyses of building projects. British quantity surveyors first developed an elemental

format after World War II while helping the Department of Education develop a cost planning

approach in rebuilding and expanding the British school system. This led to the Royal Institute of

Chartered Surveyors (RICS) publishing a standard list of elements* in 1969 that the building

community uses routinely in the United Kingdom. As quantity surveyors who trained in Britain

performed their jobs around the world, they carried the elemental format with them. By 1972, the

Canadian Institute of Quantity Surveyors endorsed its own standard classification of elements for

buildings^ which was subsequently adopted by the Royal Architectural Institute of Canada (RAIC).

Today the United Kingdom, Belgium, Germany, France, Ireland, Switzerland, Belgium, Denmark,

South Africa, Japan, the Netherlands, Hong Kong, and many of the former British colonies have an

elemental classification system. The pervasiveness and need for the elemental system has encouraged

the International Council for Building Research Studies and Documentation (CIB) and the

Construction Economics European Committee (CEEC) to establish an elemental format to collect

costs for international exchange. A major objective of the CEEC format is to make it compatible

with the existing formats of as many countries as possible.

Chart 1 . 1 summarizes the four elemental classifications referred to earlier-UNIFORMAT, sponsored

by GSA, variants of which are used informally in the United States; the Canadian (CIQS) standard;

Daniel M. Uman, "Is a Standard Needed for Estimating Building Design and Construction Cost?" Cost Engineering. Vol. 32, No. 8, August 1990, p. 10.

nRobert W. Johnson, AIA "Trends in Formats," The Construction Specifier. June 1991, p. 94.

8Royal Institute of Chartered Surveyors, Standard Form of Cost Analysis (London, England: The Building Cost

Information Service, 1969 (Reprinted December 1987)).

^Canadian Institute of Quantity Surveyors, Elemental Cost Analysis—Method of Measurement and Pricing (Toronto,

Ontario, Canada: Canadian Institute of Quantity Surveyors, first issued 1972, revised 1990).

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3
the United Kingdom (RICS) standard; and the European CEEC standard for data exchange.

Developing a true standard classification for the United States will facilitate commerce and data

exchange within the United States and throughout the international building community.

1.2 Purpose and Benefits

The purpose of this report is to provide a classification for building elements and related sitework.

Using a standard classification will help ensure consistency in the economic evaluation of building

projects over time and from project to project. It will also enhance reporting at all stages of building

procurement~from feasibility and planning through the preparation of working documents,

construction, maintenance, rehabilitation, and disposal.

Specifically, using a standard classification will lead to more cost-effective design decisions. This

will result from being able to perform more quickly, and at less cost, economic evaluations of project

alternatives at the design or even pre-design stage. Without an elemental format to facilitate effective

cost analysis, fewer design alternatives will be considered at the early stages, and project alternatives

with minimum life-cycle costs may never be considered. With the elemental format, analysts can

follow a hierarchical approach for successive design phases. This helps ensure that design

alternatives from concepts and systems to products and materials are considered at the appropriate

time, thus increasing the probability of selecting the most cost-effective designs.

Additional benefits include providing a format for collecting and analyzing historical data to use in

estimating and budgeting future projects; providing a check list for the cost estimation process and

the creativity phase of value engineering; providing a basis for training in cost estimation; facilitating

communications among members of a project team regarding costs; establishing a database for

automated cost estimating; and facilitating the preparation of estimates without having to select

products and materials.

The American Society for Testing and Materials (ASTM) has published standard practices on net

benefits, rate-of-return, life-cycle cost, benefit-to-cost ratio, and payback analyses for evaluating

building alternatives at the design and later stages of project development. Applying these measures

of building performance in a cost-effective manner early in the process requires a standard format

for organizing costs that is less detailed than existing formats based on materials. This report is to

be the technical basis for developing an ASTM standard classification based on building elements

rather than building materials.^" It will complement the existing set of ASTM practices, guides,

and adjuncts by providing a format for collecting and evaluating alternative design data and costs in

the economic evaluation of buildings and building elements.

1.3 Organization

Chapter 2 presents UNIFORMAT II in chart form, complete to three hierarchical levels, for both

building elements and related sitework. (These charts also appear, for quick reference, on the inside

For a discussion of why ASTM is developing a standard classification and how it is being done, see Brian Bowen

and Robert Charette, "Elemental Cost Classification Standard for Building Design," 1991 AACE Transactions , 1991.

4
of the front and back covers.) The chapter describes the criteria used to determine which categories

of elements to include and in what classification to include them. The chapter also presents a general

framework of the built environment to provide perspective as to how the buildings and related

sitework, that UNIFORMAT II covers, fit in with the total built environment.

Chapter 3 lists specific elements/items that are included and excluded under each individual element

listed in the Level 3 category for the classification of building elements. Providing a cross-reference

to the appropriate element beside each item in the excluded list helps users of UNIFORMAT II find

the classification category more quickly.

Chapter 4 lists specific elements/items that are included and excluded under each individual element

listed in the Level 3 category for the classification of building-related sitework.

5

2. UNIFORMAT II Classification for Building Elements

and Related Sitework

2.1 Framework of the Built Environment

The framework in figure 2. 1 shows how buildings and related sitework fit in with the rest of the built

environment. This report describes exclusively the elements that make up the blocks shaded under

the "buildings" block, i.e., construction of buildings and related sitework. UNIFORMAT II does

not treat other aspects of buildings or other features of the built environment, which are indicated

by the non-shaded blocks.

Built

Environment

Buildings

Roads &

Bridges

Tunnels Railroads

Site

Acquisition

Construction

Buildings

(Chart 2.1)

Related

Sitework

(Chart 2.2)

Figure 2. 1 Framework of the Built Environment

2.2 Criteria for the Proposed Classification

We used the following criteria in deciding on the appropriate classification, what items to include

in it, and in which parts of the classification to include them.

7
The appropriate classification will be applicable to any building type, while at the same time allowing

for details desirable for specialized buildings. The classification of building elements will be separate

from the classification of building-related sitework. The classifications will be hierarchical to allow

different levels of aggregation and summarization. And they will relate to other elemental

classifications such as UNIFORMAT and the classification of the Canadian Institute of Quantity

Surveyors.

Items to be included in the classification will have significant influence on cost and a high frequency

of occurrence. Categories will be defined so as to provide a framework for cost control. The

decision as to where among the classification elements to include specific items is to rely on

professional judgment as to where building professionals in current practice normally look for such

items.

2.3 Classification of Building Elements

Chart 2.1 presents the UNIFORMAT II classification of building elements. It comprises three

hierarchical levels: Major Group Elements for Level 1, Group Elements for Level 2, and Individual

Elements for Level 3. See Chapter 3 for detailed lists of specific items that are included and

excluded under each individual element listed in the Level 3 category.

Chart 2.1 UNIFORMAT II Classification of Building Elements

Level 1 Major Group ElementsLevel 2

Group Elements

Level 3

Individual Elements

SUBSTRUCTURE Foundations Standard Foundations

Special Foundations

Slab on Grade

Basement Construction Basement Excavation

Basement Walls

SHELL Superstructure Floor Construction

Roof Construction

Exterior Closure Exterior Walls

Windows

Exterior Doors

Roofing Roof Coverings

Roof Openings

INTERIORS Interior Construction Partitions

Interior Doors

Specialties

Staircases Stair Construction

Stair Finishes

Interior Finishes Wall Finishes

Floor Finishes

Ceiling Finishes

8
Chart 2.1 UNIFORMAT II Classification of Building Elements (continued)

Level 1 Major Group Elements

Level 2

Group Elements

Level 3

Individual Elements

SERVICES Conveying Systems Elevators

Escalators & Moving Walks

Material Handling Systems

Plumbing Plumbing Fixtures

Domestic Water

Sanitary Waste

Rain Water Drainage

Special Plumbing Systems

HVAC Energy Supply

Heat Generating Systems

Cooling Generating Systems

Distribution Systems

Terminal & Package Units

Controls & Instrumentation

opcciai riv/W-^ oysiems oc jz-quiprricni

Systems Testing & Balancing

Fire Protection Sprinkler Systems

Stand-Pipe Systems

Firp Fxtin PI ushers

Special Fire Protection

Electrical Service & Distribution

Lighting & Branch Wiring

Communication & Security Systems

EQUIPMENT &

CT TDMTCIJTM^O r U KiN IbH IM (jb

Equipment User defined elements using CSI

MASIbRrORMAl Division 11—Equipment

Furnishings User defined elements using CSI

MASTERFORMAT 12-Fumishings

SPECIAL CONSTRUCTION

& DEMOLITION

Special Construction User defined elements using CSI

MASTERFORMAT 13-Special Construction

Selective Building Demolition Building Elements

Hazardous Components

9
2.4 Classification of Building-Related Sitework

Chart 2.2 presents the UNIFORMAT II classification of building-related sitework. See Chapter 4

for detailed lists of specific items that are included and excluded under each individual element listed

in the Level 3 category.

Note that UNIFORMAT II is not intended to classify elements of major civil works. Rather, it is provided for exclusive use in support of the construction of buildings. Buildings are usually

constructed with roads, utilities, parking areas, and other non-building features. The UNIFORMAT

II classification of building-related sitework provides guidance so that planners do not have to resort

to multiple elemental classifications for one project.

Chart 2.2 UNIFORMAT II Classification of Building-Related Sitework

Level 1 Major Group ElementsLevel 2

Group Elements

Level 3

Individual Elements

BUILDING SITEWORK Site Preparation Site Clearing

Site Demolition and Relocations

Sitf* Fflrthwnrlc Hazardous Waste Remediation

Site Improvements Roadways

Parking Lots Walks & Terraces

Site Development

Landscaping

Site Civil/Mechanical Utilities Water Supply & Distribution Systems

Sanitary Sewer Systems

Storm Sewer Systems

Heating Distribution

Cooling Distribution

Gas Distribution System

Other Civil/Mechanical Utilities

Site Electrical Utilities Electrical Distribution

Exterior Lighting

Exterior Communications & Security

Other Electrical Utilities

Other Site Construction Service Tunnels

Other Site Systems & Equipment

10
3. Description of Building Elements

The following lists show what items are included ^d excluded in the recommended

classification at Level 3. Note that the listings of inclusions and exclusions are not intended to

be an exhaustive listing. Rather, they provide a general outline of what to expect in that

element consistent with the selection criteria outlined in section 2.2. We list exclusions to help

readers find items quickly. For example, exterior load bearing walls could be under Exterior

Walls or Superstructure. We put them under Exterior Walls based on technical judgment and

current practice. Putting under Superstructure a cross-reference to Exterior Walls directs the

person who looks first under Superstructure to the appropriate element.

Note, also, that the numbering system is only for the purpose of organizing the report. The

numbers are not classification numbers for the elements. They are yet to be determined.

3.1 Foundations

3.1.1 Standard Foundations

Includes Excludes

wall & column foundations

foundation walls up to level of top of slab

on grade

pile caps

backfill & compaction

footings & bases

perimeter & under-slab insulation

perimeter drainage

anchor plates

general excavation to reduce levels (see

section 4.1.3, Site Earthwork)

excavation for basements (see section

3.2.1, Basement Excavation)

basement walls (see section 3.2.2,

Basement Walls)

under-slab drainage (see section 3.1.3,

Slab on Grade)

3.1.2 Special Foundations

Includes Excludes

• piling

• caissons

• underpinning

• dewatering

• raft foundations

• any other special foundation conditions

•

pile caps (see section 3.1.1, Standard

Foundations)

rock excavation (unless associated with

Special Foundations) (see section 3,1.1,

Standard Foundations & section 3.2.1,

Basement Excavation)

11
3.1.3 Slab on Grade

Includes Excludes

• standard • applied floor finishes (see section 3.8.2,

• structural Floor Finishes)

• inclined slabs on grade • hardeners & sealers to the slab (see section

• trenches 3.8.2, Floor Finishes)

• pits

• bases

• under-slab drainage

3.2 Basement Construction

3.2.1 Basement Excavation

Includes Excludes

• additional excavation required for • general grading to reduce levels over site

construction of basement (see section 4.1.3, Site Earthwork)

• backfill & compaction

• shoring

3.2.2 Basement Walls

Includes

• basement wall construction

• moisture protection

• basement wall construction below grade

Excludes

• walls above grade that enclose basements

(see section 3.4.1, Exterior Walls)

• perimeter drainage (see section 3.1.1,

Standard Foundations)

3.3 Superstructure

3.3.1 Floor Construction

Includes

• structural frame

• interior structural walls

• floor slabs & decks

• inclined & stepped floors

• expansion & contraction joints

• balcony construction

• suspended ramps

• special floor construction (e.g., catwalks,

space frames, etc.)

Excludes

• exterior load bearing walls (see section

3.4.1, Exterior Walls)

• applied & suspended ceiling & floor

finishes (see section 3.8.2, Floor Finishes

& section 3.8.3, Ceiling Finishes)

• stair construction (see section 3.7.1, Stair

Construction)

• balcony walls & railings (see section 3.4.1,

Exterior Walls)

12
3.3.2 Roof Construction

Includes

• structural frame

• structural interior walls supporting roof

• roof decks, slabs & sheathing

• canopies

• special roof systems

Excludes

• roof coverings (see section 3.5.1, Roof

Coverings)

• skylights & roof openings (see section

3.5.2, Roof Openings)

• stair construction (see section 3.7.1, Stair

Construction)

3.4 Exterior Closure

3.4.1 Exterior Walls

Includes

• exterior wall construction with facing

materials, exterior applied finishes,

back-up construction, framing, wallboard,

parapets, insulation & vapor barriers

• exterior load-bearing wall construction

• exterior louvers & screens

• exterior sun control devices

• balcony walls & railings • exterior soffits

3.4.2 Windows

Includes

• windows

• storefronts

• curtain walls

• exterior painting to windows

• wall opening elements such as lintels, sills,

flashings, etc.

Excludes

• applied finishes to interior faces of exterior

walls (see section 3.8.1, Wall Finishes)

• columns and beams in exterior walls (see

section 3.3, Superstructure)

• Venetian blinds (see section 3.15,

Furnishings)

• other interior sun control devices (see

section 3.15, Furnishings)

• roof eaves and eaves soffits (see section

3.5.1, Roof Coverings)

• glazed curtain walls (see section 3.4.2,

Windows)

Excludes

• window treatments (see section 3.15,

Furnishings)

13
3.4.3 Exterior Doors

Includes

• personnel doors

• revolving doors

• overhead doors

• special doors (e.g., hanger doors, blastresistant doors, etc.)

3.5 Roofing

3.5.1 Roof Coverings

Includes

• roofing membranes

• traffic coatings

• waterproof membranes below paving

• expansion joints

• vapor barriers

• roof & deck insulation

• roof fill

• flashings & trim

• gutters & downspouts

• eaves & eaves soffits

Excludes

• roof openings (see section 3.5.2, Roof

Openings)

• roof drains (see section 3.10.4, Rain Water

Drainage)

• parapets (see section 3.4.1, Exterior Walls)

3.5.2 Roof Openings

Includes

• skylights area glazing

roof hatches

gravity roof ventilators

smoke vents

Excludes

powered & ducted ventilators (see section

3.11.4, Distribution Systems)

14
3.6 Interior Construction

3.6.1 Partitions

Includes

• fixed partitions

• demountable partitions

• toilet partitions

• retractable & movable partitions

• operable partitions

• compartments & cubicles

• interior balustrades & screens

• interior window & storefronts

3.6.2 Interior Doors

Includes

• standard doors

• glazed doors

• sliding & folding doors

• fire doors

• special doors

• door frames

• door hardware

• door opening elements

• door painting & staining

• hatches & access doors

3.6.3 Specialties

Includes

• chalk & tack boards

• identifying devices

• lockers

• toilet & bath accessories

• storage shelving

• miscellaneous metal work

• built-in counters & vanities

• kitchen cabinets

• closets

Excludes

• stair balustrades (see section 3.7.2, Stair

Finishes)

• interior load bearing & shear walls (see

section 3.3, Superstructure)

• applied wall finishes (see section 3.8.1,

Wall Finishes)

Excludes

• vault doors (see section 3.14, Equipment)

• operable partitions (see section 3.6.1,

Partitions)

Excludes

• special equipment (see section 3.14^

Equipment)

• furniture (see section 3.15, Furnishings)

• special construction (see section 3.16,

Special Construction)

• compartments & cubicles (see section

3.6.1, Partitions)

• fire extinguishers (see section 3.12.3, Fire

Extinguishers)

• manufactured case work (see section 3.15,

Furnishings)

15
3.7 staircases

3.7.1 Stair Construction

Includes Excludes

• stair structure ; • steps in structural slabs (see section 3.3.1,

Floor Construction)

3.7.2 Stair Finishes

Includes

• finishes to treads, risers,

landings, & soffits • handrails & balustrades

3.8 Interior Finishes

3.8.1 Wall Finishes

Includes

• concrete wall finishes

• wall plastering

• wallboard

• tile & terrazzo

• painting

• wallcoverings

• acoustic tiles • special coatings & finishings

Excludes

• wallboard applied to interior walls &

partitions (see section 3.6.1, Partitions)

3.8.2 Floor Finishes

Includes

• screeds & toppings

• hardeners & sealers

• tile, terrazzo, wood &

resilient flooring

• carpeting

• masonry & stone flooring

• special flooring (e.g., conductive,

armored)

• painting & staining

• access pedestal flooring

Excludes

• stair finishes (see section 3.7.2, Stair

Finishes)

16
3.8.3 Ceiling Finishes

Includes

exposed concrete finishes

plaster ceiling finishes

wallboard ceiling finishes

acoustic ceiling tiles & panels

painting & staining

metal strip ceilings

special ceilings

all suspended systems

Excludes

finishes to stair soffits (see section 3.7.2,

Stair Finishes)

finishes to exterior soffits (see section

3.4.1, Exterior Walls)

3.9 Conveying Systems

3.9.1 Elevators

Includes

• passenger elevators

• freight elevators

• general construction items associated with

elevators

3.9.2 Escalators and Moving Walks

Includes

• escalators

• moving walks

• balustrades

3.9.3 Material Handling Systems

Includes

• hoist & cranes

• conveyors

• dumbwaiters

• pneumatic tube systems

• linen, trash & mail chutes

• turntables

Excludes

• elevator pits (see section 3.1.3, Slab on

Grade)

17
3.10 Plumbing

3.10.1 Plumbing Fixtures

Includes

waterclosets

urinals

lavatories

sinks

showers

bathtubs

drinking fountains

bidets

3.10.2 Domestic Water

Includes

• pipes & fittings

• valves, hydrants & hose bibs

• hot water heaters

• domestic water supply equipment

• insulation

3.10.3 Sanitary Waste

Includes

• wastepipe & fittings

• vent pipe & fittings • floor drains

• sanitary waste equipment

• insulation

3.10.4 Rain Water Drainage

Includes

• pipe & fittings

• roof drains

• roof drainage equipment

• insulation

Excludes

domestic hot water heaters (see section

3.10.2, Domestic Water)

hose bibs (see section 3.10.2, Domestic

Water)

special equipment (see section 3.10.5,

Special Plumbing Systems)

Excludes

• plumbing fixtures (see section 3.10.1.

Plumbing Fixtures)

Excludes

gutters & downspouts (see section 3.5.1,

Roof Coverings)

18
3.10.5 Special Plumbing Systems

Includes

• special piping systems

• gas distribution

• acid waste systems

• interceptors

• pool equipment

• fountain piping systems & devices

• special plumbing fixtures

3.11 HVAC

3.11.1 Energy Supply

Includes

• oil, gas, & coal supply

• steam, hot & chilled water supply

• solar energy supply

• wind energy supply

3.11.2 Heat Generating Systems

Includes

• boilers, including electric • piping and fittings adjacent to boilers

• primary pumps

• auxiliary equipment

• equipment & piping insulation

3.11.3 Cooling Generating Systems

Includes

• chillers • cooling towers & evaporative coolers

• condensing units

• piping & fittings • primary pumps

• direct expansion systems

• equipment & piping insulation

Excludes

• electrical energy supply systems (see

section 3.13.4, Special Electrical Systems,

and section 3.13.1, Service & Distribution)

Excludes

• electric space unit heaters & baseboard,

fuel fired unit heaters, furnaces (see

section 3.11.5, Terminal & Package Units)

• controls & instrumentation (see section

3.11.6, Controls & Instrumentation)

Excludes

• secondary chilled water pumps (see section

3.11.4, Distribution Systems)

• distribution piping (see section 3.11.4,

Distribution Systems)

• controls & instrumentation (see section

3.11.6, Controls & Instrumentation)

19
3.11.4 Distribution Systems

Includes

• supply & return air systems, including air

handling units with coils (electric

included), filters, ductwork, & associated

devices such as VAV boxes, duct heaters,

induction units & grilles • ventilation & exhaust systems

• steam, hot water, glycol & chilled water

distribution

• associated terminal devices including

convectors, fan-coil units, & induction

units, but not water & steam unit heaters

• heat recovery equipment

• auxiliary equipment such as secondary

pumps, heat exchangers, sound attenuation,

& vibration isolation • piping, duct, & equipment insulation

3.11.5 Terminal and Package Units

Includes

• electric baseboard

• electric or fossil fuel fired unit heaters,

unit ventilators, & radiant heaters

• window or through-the-wall air

conditioners, with or without heating of

any type

• reverse-cycle, water- or air-cooled,

terminal heat pumps

• wall sleeves where required

• electric or fossil fiiel fired air-handling

units or furnaces

• self-contained, air- or water-cooled, floor,

ceiling, & rooftop air conditioners, & heat

pumps

• ductwork and accessories, including flue

stacks

• factory-integrated controls

Excludes

• electric, gas, or oil fired unit heaters (see

section 3.11.5, Terminal & Package Units)

• furnaces (gas or oil) (see section 3.11.5,

Terminal & Package Units)

• floor, ceiling, & rooftop package units (see

section 3.11.5, Terminal & Package Units)

• controls & instrumentation (see section

3.11.6, Controls & Instrumentation)

Excludes

!• piping & accessories (see section 3.11.4,

Distribution Systems)

• hydronic or steam convectors, fan-coil

units (see section 3.11.4, Distribution

Systems)

• cooling towers, remote air-cooled

condensers, evaporative coolers (see

section 3.11.3, Cooling Generation

Systems)

• air-handling units with only hydronic

heating or steam coils (see section 3.11.4,

Distribution Systems)

• air-handling units with chilled water or

direct expansion cooling coils (see section

3.11.4, Distribution Systems)

20
3.11.6 Controls and Instrumentation

For Excludes

• heating generating systems • factory-installed controls, when an integral

• cooling generating systems part of terminal & package units (see

• heating/cooling air handling units section 3.11.5, Terminal & Package Units)

• exhaust & ventilating systems

• terminal devices

• energy monitoring & control

• building automation systems

3.11.7 Special HVAC Systems and Equipment

Includes

• special cooling systems and devices

• special humidity control

• dust and fume collectors

• air curtains

• air purifiers

• paint spray booth ventilation systems

• general construction items associated with

mechanical systems

3.11.8 Systems Testing and Balancing

Includes

• piping systems testing & balancing

• air systems testing & balancing

3.12 Fire Protection

3.12.1 Sprinkler Systems

Includes

• water supply equipment

• piping valves & fittings • sprinkler heads & release devices

3.12.2 Stand-Pipe Systems

Includes

• water supply equipment

• piping valves & fittings • cabinets & hoses

21
3.12.3 Fire Extinguishers

Includes

• fire extinguishers

• fire extinguisher cabinets

3.12.4 Special Fire Protection

Includes

• carbon dioxide systems

• halon systems

• foam generating systems

• chemical systems

• exhaust hood systems

3.13 Electrical

3.13.1 Service and Distribution

Includes

primary transformers

secondary transformers

main switchboard

interior distribution transformers

branch circuit panels

enclosed circuit breakers

motor control centers

conduit and wiring to circuit panels

3.13.2 Lighting and Branch Wiring

Includes

• branch wiring & devices for lighting

fixtures

• lighting fixtures

• branch wiring for devices &

equipment connections

• devices

Excludes

• outdoor transformers (see section 4.4.1,

Electrical Distribution)

• emergency power (see section 3.13.4,

Special Electrical Systems)

• branch wiring (see section 3.13.2, Lighting;

& Branch Wiring)

Excludes

• underfloor raceways (see section 3.13.4is

Special Electrical Systems)

i* exterior lighting (see section 4.4.2,

Exterior Lighting)

22
3.13.3 Communications and Security Systems

Includes

fire alarm systems

hospital systems

telephone systems

local area networks

public address & music systems

intercommunication systems «fe paging

clock & program systems

television systems

security systems

3.13.4 Special Electrical Systems

Includes

emergency generators

UPS

emergency lighting systems

power factor correction

lightning & grounding protection systems

raceway systems

Excludes

• special electrical systems (see section

3.13.4, Special Electrical Systems)

Excludes

electric baseboard (see section 3.11.5,

Terminal & Package Units)

electric coils & duct heaters (see section

3.11.4, Distribution Systems)

building automation & energy monitoring

systems (see section 3.11.6, Controls &

Instrumentation)

communications & security systems (see

section 3.13.3, Communications &

Security Systems)

3.14 Equipment

Includes

All building-related items normally specified

in CSI MASTERFORMAT Division 11--

Equipment (see Appendix C for current

listing of Equipment in

MASTERFORMAT).

3.15 Furnishings

Includes

All building-related items normally specified

in CSI MASTERFORMAT Division 12-

Furnishings (see Appendix C for current

listing of Furnishings in

MASTERFORMAT).

23
3.16 Special Construction

Includes

All building-related items normally specified

in CSI MASTERFORMAT Division 13--

Special Construction (see Appendix C for

current listing of Special Construction in

MASTERFORMAT).

Excludes

• solar & wind energy supply (see section

3.11.1, Energy Supply)

3.17 Selective Building Demolition

3.17.1 Building Elements

Includes Excludes

• demolition of existing building components • site demolition (see section 4.1.2, Site

Demolition & Relocations)

3.17.2 Hazardous Components

Includes

• removal or encapsulation of hazardous

building materials & components

24
4. Description of Building-Related Sitework

The following lists show what components and procedures are included ajid excluded in the

sitework classification at Level 3. Note again that the numbers are for the purpose of

organizing the report and are not classification numbers for the elements.

1.1 Site Preparation

4.1.1 Site Clearing

Includes

• clearing & grubbing

• tree removal & thinning

4.1.2 Site Demolition and Relocations

Includes

• complete building demolition

• demolition of site components

• relocation of buildings & utilities

4.1.3 Site Earthwork

Includes

• grading, excavating & fill to modify site

contours

• soil stabilization & treatment

• site watering

• site shoring

• embankments

4.1.4 Hazardous Waste Remediation

Includes

• removal & restoration of contaminated soil

Excludes

• selective demolition within building (see

section 3.17, Selective Building

Demolition)

Excludes

: • building excavation for foundations and

basements (see section 3.1, Foundations &

section 3.2, Basement Construction)

4.2 Site Improvement

4.2.1 Roadways

Includes

• paving sub-base i • paving & surfacing

• curbs & gutters

• rails & barriers

• painted lines • markings & signage

25
4.2.2 Parking Lots

Includes

• parking lot paving & surfacing

• curbs, rails & barriers

• parking booths & equipment

• markings & signage

4.2.3 Walks and Terraces

Includes

• paving & surfacing

• exterior steps

4.2.4 Site Development

Includes

fences & gates

retaining walls

terrace & perimeter walls

signs

site furnishings

fountains, pools, & watercourses

playing fields

flagpoles

miscellaneous structures

4.2.5 Landscaping

Includes

fine grading & soil preparation

top soil & planting beds

seeding & sodding

planting

planters

special landscape features

irrigation systems

Excludes

• waterproof membranes under terrace &

plaza paving (see section 3.5.1, Roof

Coverings)

Excludes

signs (see section 4.2.1, Roadways &

section 4.2.2, Parking Lots)

Excludes

interior planters & planting (see section

3.15, Furnishings)

site grading (see section 4.1.3, Site

Earthwork)

26
4.3 Site Civil/Mechanical Utilities

4.3.1 Water Supply and Distribution Systems

Includes Excludes

• potable & non-potable water systems • irrigation systems (see section 4.2.5,

• well systems Landscaping)

• fire protection systems

• pumping stations

• water storage

4.3.2 Sanitary Sewer Systems

Includes

• piping

• manholes

• septic tanks

• lift stations

• package waste water treatment plants

4.3.3 Storm Sewer Systems

Includes

• piping

manholes

catch basins

lift stations

retention ponds

ditches & culverts

4.3.4 Heating Distribution

Includes

• steam supply

• condensate return

• hot water supply systems

4.3.5 Cooling Distribution

Includes

• chilled water piping

• wells for cooling

• pumping stations

• cooling towers on site

Excludes

• service tunnels (see section 4.5.1, Service

Tunnels)

Excludes

• service tunnels (see section 4.5.1, Service

Tunnels)

27
4.3.6 Gas Distribution System

Includes

• gas piping

• equipment

• storage tanks

4.3.7 Other Civil/Mechanical Utilities

Includes

• industrial waste systems

• POL (Petroleum Oil & Lubricants)

distribution systems

4.4 Site Electrical Utilities

4.4.1 Electrical Distribution

Includes

• substations

• overhead power distribution

• underground power distribution

• ductbanks

• grounding

4.4.2 Exterior Lighting

Includes

• fixtures & transformers

• poles

• wiring conduits & ductbanks

• controls

• grounding

4.4.3 Exterior Communications and Security

Includes

• overhead & underground communications

• site security & alarm systems

• ductbanks

• grounding

4.4.4 Other Electrical Utility Systems

Includes

• cathodic protection

• emergency power generation

28
4.5 Other Site Construction

4.5.1 Service Tunnels

Includes

• constructed service tunnels

• prefabricated service tunnels & trench

boxes

4.5.2 Other Site Systems and Equipment

Includes

• snow melting systems

• pedestrian tunnels

29

5. Applications and Limitations

UNIFORMAT II applies to buildings and related sitework. It excludes specialized process equipment

related to a building's functional use, but does include equipment and furnishings normally associated

with different types of buildings (see appendix C--CSI MASTERFORMAT listings for Divisions 11

and 12). It is suitable for use at all stages of a building project, from planning through operation

and disposal.

Owners, developers, programmers, cost planners, schedulers, architects and engineers, specification

writers, operating and maintenance staff, manufacturers, and educators will find UNIFORMAT II

useful.

UNIFORMAT II may be used in the following applications:

• Cross filing of product literature and technical guides

• Building performance code formats

• Computer-aided design reference framework

• Preliminary project descripdons

• Construction and operation and maintenance cost databases

• Planning and feasibility studies, and space programming

• Estimating and controlling costs during design and construction

• Economic analysis

• Risk analysis

• Value engineering

• Project scheduling

5.1 Cross-Filing of Product Literature and Technical Guides

Currently, both product literature and technical guides on products in general are filed by using

MASTERFORMAT Divisions 1-16, which is an excellent framework for this purpose. There is a need, however, for a cross-filing mechanism that is based on an elemental format. This can be used

to locate all products and systems suitable, for example, for exterior wall facings, which may now

reside in four or five divisions of the MASTERFORMAT. A need also exists for a mechanism

based on an elemental format to locate product literature on prefabricated systems or assemblies such

as prefabricated exterior walls, whose component products are found in more than one

MASTERFORMAT Division, as well as related technical application guides. UNIFORMAT II is an appropriate elemental format for these uses.

5.2 Building Performance Code Formats

A cross-referencing system for building elements is needed to make building codes more easily

accessible by owners and designers. For example, the ability to retrieve necessary information on

all code requirements as they apply to exterior wall or partition elements would be a considerable

31
advantage to the industry. UNIFORMAT II would be an appropriate format for that cross- referencing system.

5.3 Computer-Aided Design Reference Framework

UNIFORMAT II will provide an excellent basis for coding and reference in CAD systems,

particularly for the storage and retrieval of standard details. For example, an architect could

reference an exterior wall assembly according to UNIFORMAT II element designations and build

up a database of standard details structured according to this classification.

5.4 Preliminary Project Descriptions

UNIFORMAT II is suitable for structuring preliminary project descriptions during the conceptual

design phase. There are several advantages to this approach. It facilitates the description of the

scope of the project for the client in a clear, concise, and logical sequence; it provides the basis for

the preparation of more detailed elemental estimates during the early concept and preliminary design

phases; and it enhances communications among designers and other participants. This need has been

recognized by the Construction Specifications Institute (CSI),'' which has adopted an elemental

format for preliminary project descriptions.

5.5 Construction and Operating and Maintenance Cost Databases

UNIFORMAT II is an effective format for recording construction and operating and maintenance

costs in a database. The database can be data from historical project costs, built-up data from

detailed unit price databases, or data taken from such publications as the R.S. Means Assemblies

Cost Data and Square Foot Cost Data. Further, most current automated cost estimating programs

provide the ability to introduce elemental cost classification frameworks in the preparation of

estimates and maintenance of databases.

Functional area costs for planning and feasibility estimates can also be structured according to

UNIFORMAT II.

"See "Preliminary Project Description and Outline Specifications" in the Manual of Practice (Alexandria, VA: The

Construction Specifications Institute (CSI), 1989).

'^R.S. Means 1992 Assemblies Cost Data and R.S. Means 1992 Square Foot Cost Data, R.S. Means Company, Inc., Kingston, MA.

32
5.6 Planning and Feasibility Studies, and Space Programming

Using UNIFORMAT II will facilitate scope definition and the preparation of budgets during the

planning and feasibility phases of a project. This provides a link for monitoring the estimates and

schedules of subsequent design phases.

UNIFORMAT II can also be used to structure the technical requirements and criteria of space

programming.

5.7 Estimating and Controlling Costs During Design and Construction

UNIFORMAT II is an appropriate format for preparing realistic budgets for buildings and

establishing elemental cost plans before design commences. It is in principle the work breakdown

structure (WBS) specific to buildings which the project manager requires for project cost, time, and

quality control. The cost plans set design-to-cost (DTC) targets for each element in the classification

at the appropriate level. Thereafter cost estimates and cost monitoring checks will be performed as the design progresses to measure the effectiveness of the design against the cost plan. The pre-bid

elemental estimates based on completed plans and specifications can then be converted to

MASTERFORMAT Divisions 1-16 or trade categories for use in accelerating bid analysis and

subsequent cost control during construction.

5.8 Economic Analysis

Benefit-cost, life-cycle cost, and other methods of economic evaluation can be used to select the most

cost-effective alternatives early in the design process and thereby contribute to substantial design and

operational savings before decisions have been made that limit options for savings. An elemental

classification encourages and facilitates such studies because costs of alternatives being evaluated are

readily available from elemental estimates. A work plan for life-cycle cost analyses can be submitted

at the beginning of the design process based on the designer's understanding of the project and

building elements to be incorporated.

5.9 Risk Analysis

One method of evaluating the economic risk in undertaking a building project is to apply Monte

Carlo simulation to develop probability distributions of building costs that enter into the measure of

project worth. UNIFORMAT II provides an appropriate classification for developing probability

distributions of cost by Individual Elements (Level 3) or by Group Elements (Level 2). The

See Ruegg and Marshall, Building Economics: Theory and Practice , pp. 203-256, for a descritpion of Monte Carlo

simulation and other risk analysis methods applied to the economic evaluation of buildings.

33
probability distributions of total project costs for a building alternative are built up by repeated

random drawings from the probability distributions of each Level 3 or Level 2 element's costs. The

probability distributions of total project costs can then be used to establish an acceptable project

contingency, revise the targeted cost consistent with the decision maker's budgetary constraints,

establish bidding contingencies, or to serve as inputs to economic analysis.

5.10 Value Engineering (VE)

Most elements represent functions of major building components for which alternatives are generated

during the creativity phase of the VE job plan, usually by "directed" brainstorming. Thus,

UNIFORMAT II can be used as a check list which, if followed in a logical order, ensures that all elements of the project have been analyzed. In addition, most building system cost models can

readily be generated from the elemental cost data, thus saving the VE team considerable time.

5.11 Project Scheduling

Since projects are built element by element, UNIFORMAT II is a suitable framework for developing

schedules. It also provides a credible link to cost estimates structured in the same format, and it

facilitates the preparation of cash-flow projections early in a project to support financial planning.

5.12 Limitations

UNIFORMAT II includes sitework normally related to buildings, but does not apply to major civil

works. It is also unsuitable for process applications or for preparing trade estimates.

34
6. Relationship to Other Formats

6.1 Elemental Formats

Level 3 elements in UNIFORMAT II are compatible with other North American elemental formats

such as the GSA/AIA UNIFORMAT classification, the Tri-Service Work Breakdown Structure

(WBS), the classification listed in Chapter 6, Part II, of the CSI Manual of Practice, and that of the

CIQS/RAIC classification. UNIFORMAT II is also compatible with international classifications such

as the RICS, the CEEC, and elements of the CSI/SfB Construction Index.

6.2 Product Formats

Elemental formats can be tied to product formats. For example, the elements of the original

UNIFORMAT have been related to the CSI MASTERFORMAT Divisions 1-16 for a specific design,

as shown in Chart 6. 1. It is drawn from Chapter B5, "Design and Construction Cost Management,"

of the American Institute of Architects Handbook of Professional Practice (1984).^^ A similar

relationship could be drawn between UNIFORMAT II and product formats. Such a relationship

would permit the conversion of elemental estimates to trade estimates at the completion of plans and

specifications. This would facilitate bid analyses and the monitoring of progress payments during

construction.

See Jones, Alan Ray and Clegg, David, CSI/SIB Construction Indexing Manual " (London, England: Royal Institute of

British Architects (RIBA) Publications Limited, 1976).

^^Table 6.1 also appeared in General Services Administration Handbook PBS P 3440.5, Project Estimating Requirments. August 24, 1981. Note that it is based on UNIFORMAT-not UNIFORMAT II.

35
Chart 6. 1 Relationship of UNIFORMAT to MASTERFORMAT

Design

Uniformat

Level 2

01 Foundations

02 Substructure

03 Superstructure

04 Ext. Closure

05 Roofing

06 Int. Const.

07 Conveying Sys.

08 Mechanical

09 Electrical

10 Gen.Cond. OH&P

1 1 Equipment

12 Sitevi'ork

Level 3

011 Standard Foundations

012 Spec Foundation Cond

021 Slab On Grade

022 Basement Excavation

023 Basement Walls

031 Floor Construction

032 Roof Construction

033 Stair Construction

041 Exterior Walls

042 Ext. Doors & Windows

061 Partitions

062 Interior Finishes

063 Specialties

081 Plumbing

082 H.V.A.C.

083 Fire Protection

084 Spec. Mechanical Systems

091 Service & Distribution

092 Lighting And Power

093 Spec. Electrical System

111 Fixed & Movable Equip.

112 Furnishings

113 Special Construction

121 Site Preparation

122 Site Improvements

123 Site Utilities

124 Off-Site Work

Note: CSI's MASTERFORMAT has superseded the UCI (Uniform Construction Index).

Source: The American Institute of Architects, "Chapter B5 - - Design and Construction Cost

Management, " Architect's Handbook of Professional Practice (Washington, DC: American

Institute of Architects, 1984).

36
Appendix A

AUTHOR PROFILES

BRIAN BOWEN

Mr. Bowen is an Executive Vice President of Hanscomb Associates Inc., the U.S. company of the

Hanscomb International Group. He was trained as a Quantity Surveyor in the United Kingdom, is a Fellow of the Royal Institution of Chartered Surveyors (FRICS), a Certified Cost Engineer

(American Association of Cost Engineers), and a Certified Value Specialist (Society of American

Value Engineers). Within Hanscomb, he is responsible for research and development activities

within the construction industry, value engineering, and computer applications. He acts as a liaison

officer with Hanscomb offices in Europe and Asia. Throughout his career, Mr. Bowen has been

active in writing for publications, delivering papers, and training seminars on a wide-range of

construction subjects related to building economics. He was the Hanscomb Project Manager in the

development of the MASTERCOST system for the American Institute of Architects and

UNIFORMAT for the General Services Administration. He has consulted to the American Institute

of Architects in developing new educational programs for project cost control for the architectural

profession. Together with Mr. Charette, he co-chairs the ASTM Subcommittee Task Group on a standard classification for building elements and related sitework.

ROBERT P. CHARETTE

Mr. Charette, a professional engineer, is Vice President of Le Groupe Hanscomb Inc. in Montreal

and Director of Value Engineering and Life Cycle Costing Services for Hanscomb Consultants in

Canada. He serves as Secretary of the ASTM Building Economics Subcommittee (E06.81). He is a member of the Building Economics Working Commission (W.55) of the International Council for

Building Research Studies and Documentation (CIB), the Canadian Construction Research Board of

the National Research Council of Canada (Quebec Chapter), the Canadian Institute of Quantity

Surveyors (CIQS), Construction Specifications Canada (CSC), the Construction Specifications

Institute (CSI), the Society of American Value Engineers (SAVE) with which he is accredited as a

Certified Value Specialist (CVS), and the Association Francaise pour 1' Analyse de la Valeur

(AFAV). Mr. Charette has taught Building Economics and Value Engineering as a lecturer and

seminar leader at several universities at both the undergraduate and post graduate levels, including

the Schools of Architecture and Engineering at the University of Montreal, the University of Quebec

in Montreal, the Ecole de Technologic Superieure, the Technical University of Nova Scotia, the

University of Waterloo, the McGill Management Institute, the University of Wisconsin, and the

Harvard Graduate School of Design. He co-chairs with Mr. Bowen the ASTM Subcommittee Task

Group on a standard classification for building elements and related sitework.

37
Appendix A (continued)

HAROLD E. MARSHALL

Dr. Marshall heads the Office of Applied Economics at the National Institute of Standards and

Technology. His specialty is developing standard economic methods and risk analysis techniques

for evaluating investment projects. Dr. Marshall is co-author of a recent book on building

economics, and has published over 40 articles, chapters in books, and technical papers. He chairs

for the American Society for Testing and Materials The Building Economics Subcommittee which

has produced seven standard economic methods used worldwide for evaluating investments in

buildings and construction. Dr. Marshall also leads the task group on economic methods in the

Building Economics Working Commission (W.55) of the International Council for Building Research

Studies and Documentation (CIB). His post as advisory editor to the international journal

Construction Management and Economics helps keep him abreast of developments abroad in building

economics. A graduate of The George Washington University (Ph.D. in 1969, M.A., 1965, and

B.A., 1964), Dr. Marshall's early career included teaching economics for two years on World

Campus Afloat' s around-the-world shipboard college and performing economic research at the

Department of Agriculture. In recognition of his contributions in building economics, Dr. Marshall

received in 1986 the American Association of Cost Engineers' highest honor, the Award of Merit,

and in 1988 the American Society for Testing and Materials' Award of Merit and accompanying

honorary title of Fellow of the Society.

38
Appendix B

CSI MASTERFORMAT Titles for Divisions 1-16

1 GENERAL REQUIREMENTS

2 SITEWORK

3 CONCRETE

4 MASONRY

5 METALS

6 WOOD AND PLASTICS

7 THERMAL AND MOISTURE PROTECTION

8 DOORS AND WINDOWS

9 FINISHES

10 SPECIALTIES

11 EQUIPMENT

12 FURNISHINGS

13 SPECIAL CONSTRUCTION

14 CONVEYING SYSTEMS

15 MECHANICAL

16 ELECTRICAL

39

Appendix C

CSI MASTERFORMAT Broadscope Section Titles for

Divisions 11—Equipment, 12—Furnishings, and 13—Special Construction

DIVISION ll-EQUIPMENT

11010 MAINTENANCE EQUIPMENT

11020 SECURITY AND VAULT EQUIPMENT

11030 TELLER AND SERVICE EQUIPMENT

11040 ECCLESIASTICAL EQUIPMENT

11050 LIBRARY EQUIPMENT

11060 THEATER AND STAGE EQUIPMENT

11070 INSTRUMENTAL EQUIPMENT

11080 REGISTRATION EQUIPMENT

11090 CHECKROOM EQUIPMENT

11100 MERCANTILE EQUIPMENT

11110 COMMERCIAL LAUNDRY AND DRY CLEANING EQUIPMENT

11120 VENDING EQUIPMENT

11130 AUDIO-VISUAL EQUIPMENT

11140 VEHICLE SERVICE EQUIPMENT

11150 PARKING CONTROL EQUIPMENT

11160 LOADING DOCK EQUIPMENT

11170 SOLID WASTE HANDLING EQUIPMENT

11190 DETENTION EQUIPMENT

11200 WATER SUPPLY AND TREATMENT EQUIPMENT

11280 HYDRAULIC GATES AND VALVES

11300 FLUID WASTE TREATMENT AND DISPOSAL EQUIPMENT

11400 FOOD SERVICE EQUIPMENT

11450 RESIDENTIAL EQUIPMENT

11460 UNIT KITCHENS

11470 DARKROOM EQUIPMENT

11480 ATHLETIC, RECREATIONAL, AND THERAPEUTIC EQUIPMENT

11500 INDUSTRIAL AND PROCESS EQUIPMENT

11600 LABORATORY EQUIPMENT

11650 PLANETARIUM EQUIPMENT

11660 OBSERVATORY EQUIPMENT

11680 OFFICE EQUIPMENT

11700 MEDICAL EQUIPMENT

11780 MORTUARY EQUIPMENT

11850 NAVIGATION EQUIPMENT

11870 AGRICULTURAL EQUIPMENT

*These Divisions are currently under review by CSI.

41
Appendix C (continued)

DIVISION 12—FURNISHINGS

12050 FABRICS

12100 ARTWORK

12300 MANUFACTURED CASEWORK

12500 WINDOW TREATMENT

12600 FURNITURE AND ACCESSORIES

12670 RUGS AND MATS

12700 MULTIPLE SEATING

12800 INTERIOR PLANTS AND PLANTERS

DIVISION 13—SPECIAL CONSTRUCTION

13010 AIR SUPPORTED STRUCTURES

13020 INTEGRATED ASSEMBLIES

13030 SPECIAL PURPOSE ROOMS

13080 SOUND, VIBRATION, AND SEISMIC CONTROL

13090 RADIATION PROTECTION

13100 NUCLEAR REACTORS

13120 PRE-ENGINEERED STRUCTURES

13150 AQUATIC FACILITIES

13175 ICE RINKS

13180 SITE CONSTRUCTED INCINERATORS

13185 KENNELS AND ANIMAL SHELTERS

13200 LIQUID AND GAS STORAGE TANKS

13220 FILTER UNDERDRAWS AND MEDIA

13230 DIGESTER COVERS AND APPURTENANCES

13240 OXYGENATION SYSTEMS

13260 SLUDGE CONDITIONING SYSTEMS

13300 UTILITY CONTROL SYSTEMS

13400 INDUSTRIAL AND PROCESS CONTROL SYSTEMS

13500 RECORDING INSTRUMENTATION

13550 TRANSPORTATION CONTROL INSTRUMENTATION

13600 SOLAR ENERGY SYSTEMS

13700 WIND ENERGY SYSTEMS

13750 COGENERATION SYSTEMS

13800 BUILDING AUTOMATION SYSTEMS

13900 FIRE SUPPRESSION AND SUPERVISORY SYSTEMS

13950 SPECIAL SECURITY CONSTRUCTION

42
Appendix D

References

American Institute of Architects. "Chapter B5~Design and Construction Cost Management,"

Architect's Handbook of Professional Practice (Washington, DC: American Institute of Architects,

1984).

Bowen, B. and Charette, R. P. "Elemental Cost Classification Standard For Building Design," 1991

American Association of Cost Engineers (AACEI Transactions . Seattle, WA, 1991.

Canadian Institute of Quantity Surveyors. Elemental Cost Analysis-Method of Measurement and

Pricing (Toronto, Ontario, Canada: Canadian Institute of Quantity Surveyors, first issued 1972,

revised 1990).

Charette, Robert P. and Huxley, Anthony L. "The Case for a National Elemental Design/Cost

Classification Standard" (Preview 2000, 6th Canadian Building Congress, December 1990).

Construction Specifications Institute. Chapter 6, Part II, "Preliminary Project Description and

Outline Specifications," Manual of Practice (Alexandria, VA: The Construction Specifications

Institute, 1989).

Construction Specifications Institute. MASTERFORMAT (Alexandria, VA: The Construction

Specifications Institute, 1988 edition).

Cox, B. J. and Horsley, William. "Square Foot Estimating," R. S. Means Company, Inc.,

Kingston, MA.

Deirisola, A. J. and Kirk, S. J. Life-Cycle Costing for Design Professionals (New York, NY:

McGraw-Hill, Inc., 1981).

DellTsola, A. J. and Parker, D. E. Project Budgeting in Buildings (New York, NY: Van Nostrand

Reinhold, 1990).

General Services Administration. Handbook PBS P 3440.5, Project Estimating Requirements

(Washington, DC: General Services Administration, August 24, 1981).

Hanscomb Associates, Inc. Automated Cost Control & Estimating System (Washington, DC:

General Services Administration, 1975).

Johnson, R. W. "Trends in Formats," The Construction Specifier . June 1991.

Jones, A. R. and Clegg, D. CSI/SfB Construction Indexing Manual-1976 (London, England:

Royal Institute of British Architects (RIBA) Publications Limited, 1976).

43
References (continued)

Marshall, Harold E. Techniques for Treating Uncertainty and Risk in the Economic Evaluation of

Building Investments . National Institute of Standards and Technology Special Publication 757,

September 1988.

Marshall, Harold E. and Ruegg, Rosalie T. Recommended Practice for Measuring Benefit/Cost and

Savings-to-Investment Ratios for Buildings and Building Systems . National Bureau of Standards

Interagency Report 81-2397, November 1981.

Marshall, Harold E. Recommended Practice for Measuring Net Benefits and Internal Rates of

Return for Investments in Buildings and Building Systems . National Bureau of Standards

Interagency Report 83-2657, October 1983.

Marshall, Harold E. Recommended Practice for Measuring Simple and Discounted Payback for

Investments in Buildings and Building Systems . National Bureau of Standards Interagency Report

84-2850, March 1984.

Royal Institute of Chartered Surveyors, Standard Form of Cost Analysis (London, England: The

Building Cost Information Service, 1969 (Reprinted December 1987)).

Ruegg, Rosalie T. and Marshall, H. E. Building Economics: Theory and Practice (New York, NY:

Van Nostrand Reinhold, August 1990).

Ruegg, Rosalie T., Petersen, Stephen R., and Marshall, Harold E. Recommended Practice for

Measuring Life-Cycle Costs of Buildings and Building Systems . National Bureau of Standards

Interagency Report 80-21040, June 1980.

Uman, D. M. "Is a Standard Needed for Estimating Building Design and Construction Cost?" Cost

Engineering . Vol. 32, No. 8, August 1990.

44
NIST-114A

(REV. 3-90)

U.S. DEPARTMENT OF COMMERCE

NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY

BIBLIOGRAPHIC DATA SHEET

1. PUBUCATION OR REPORT NUMBER

NIST/SP-841

2. PERFORMING ORGANIZATION REPORT NUMBER

3. PUBUCATION DATE

August 1992

4. TITLE AND SUBTITLE

UNIFORMAT II—A Recommended Classification for Building Elements and Related Sitework

5. AUTHOR(S) Brian Bowen, Robert P. Charette, and Harold E. Marshall

6. PERFORMING ORGANIZATION (IF JOINT OR OTHER THAN NIST, SEE INSTRUCTIONS)

U.S. DEPARTMENT OF COMMERCE

NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY

GAITHERSBURG, MD 20899

7. CONTRACT/GRANT NUMBER

8. TYPE OF REPORT AND PERIOD COVERED

final

9. SPONSORING ORGANIZATION NAME AND COMPLETE ADDRESS (STREET, CITY, STATE, ZIP)

U.S. Department of Commerce

National Institute of Standards and Technology

Gaithersburg, MD 20899

10. SUPPLEMENTARY NOTES

11. ABSTRACT (A 200-WORD OR LESS FACTUAL SUMMARY OF MOST SIGNIFICANT INFORMATION. IF DOCUMENT INCLUDES A SIGNIFICANT BIBUOGRAPHY OR

UTERATURE SURVEY, MENTION IT HERE.)

This report describes UNIFORMAT II, a format for classifying building elements and related sitework. Elements, as defined here, are major components common to most buildings. Elements

usually perform a given function, regardless of the design specification, construction method, or

materials used. Elements are also commonly referred to as systems or assemblies. Using

UNIFORMAT 11 ensures consistency in the economic evaluation of building projects over time and from project to project, and it enhances reporting at all stages in construction-from feasibility and

planning through the preparation of working documents, construction, maintenance, rehabilitation, and disposal. UNIFORMAT II is a significant advance over the original UNIFORMAT classification because the new version is the result of an intensive industry review and has added elements and expanded descriptions of many existing elements. Performing an economic analysis based on an

elemental framework instead of on a product-based classification reduces the time and costs for

evaluating alternatives at the design stage, and thereby encourages more economic analyses and more

economically efficient choices among buildings and building elements. Collecting capital, operating, and maintenance costs according to UNIFORMAT II is an efficient approach to project evaluation

using life-cycle cost, net benefits, rate-of-return, and payback analyses. Elements are classified in

three hierarchical levels of definition. Level I identifies seven Major Group Elements, such as the

Substructure, Shell, and Interiors. Level 2 further subdivides Level I into Group Elements. The

Shell, for example, includes the Superstructure, Exterior Closure, and Roofing. Level 3 breaks the Group Elements further into Individual Elements. Exterior Closure, for example, includes Exterior

Walls, Windows, and Exterior Doors. UNIFORMAT II produces additional benefits such as

providing a format for collecting and analyzing historical data to use in estimating and budgeting fumre projects; providing a check list for the cost estimation process as well as the

creativity /brainstorming phase of value engineering procedures; providing a basis for training in cost

estimation; facilitating communications among members of a project team regarding costs and scope

of work in each discipline; and establishing a database for automated cost estimating. Owners,

developers, programmers, cost planners, schedulers, architects and engineers, operating and maintenance staff, manufacturers, specification writers, and educators will find the classification

useful.

12. KEY WORDS (6 TO 12 ENTRIES; ALPHABETICAL ORDER; CAPITALIZE ONLY PROPER NAMES; AND SEPARATE KEY WORDS BY SEMICOLONS)

building economics; building elemental format; building functional elements; building systems

classification; cost estimation; cost planning; design economics; elemental building

classification; elemental /systems specifications; standard classification of building systems;

UNIFORMAT; value engineering

13. AVAILABIUTY

UNUMITEO

FOR OFFICIAL DISTRIBUTION. DO NOT RELEASE TO NATIONAL TECHNICAL INFORMATION SERVICE (NTIS).

ORDER FROM SUPERINTENDENT OF DOCUMENTS, U.S. GOVERNMENT PRINTING OFFICE,

WASHINGTON, DC 20402. ORDER FROM NATIONAL TECHNICAL INFORMATION SERVICE (NTIS), SPRINGFIELD, VA 22161.

14. NUMBER OF PRINTED PAGES

51

15. PRICE

ELECTRONIC FORM



UNIFORMAT II Classification of Building Elements (continued)

Level 1 Major Group Elements

Level 2

Group Elements

Level 3

Individual Elements

SERVICES (continued) Fire Protection Sprinkler Systems

Stand-Pipe Systems

Fire Extinguishers

Special Fire Protection

Electrical Service & Distribution

Lighting & Branch Wiring

Communication & Security Systems

Special Electrical Systems

EQUIPMENT &

FURNISHING

Equipment User defined elements using CSI

MASTERFORMAT Division 11-Equipment

Furnishings User defined elements using CSI

MASTERFORMAT 12-Fumishings

SPECIAL CONSTRUCTION

& DEMOLITION

Special Construction User defined elements using CSI

MASTERFORMAT 13--Special Construction

Selective Building Demolition Building Elements

Hazardous Components

UNIFORMAT II Classification of Building-Related Sitework

Level 1 Major Group ElementsLevel 2

Group Elements

Level 3

Individual Elements

BUILDING SITEWORK Site Preparation Site Clearing

Site Demolition and Relocations

Site Earthwork

Hazardous Waste Remediation

Site Improvements Roadways

Parking Lots Walks & Terraces

Site Development

Landscaping

!

Site Civil/Mechanical Utilities Water Supply & Distribution Systems

Sanitary Sewer Systems

Storm Sewer Systems

Heating Distribution

Cooling Distribution

Gas Distribution System

Other Civil/Mechanical Utilities

Site Electrical Utilities Electrical Distribution

Exterior Lighting

Exterior Communications & Security

Other Electrical Utilities

Other Site Construction Service Tunnels

Other Site Systems & Equipment
e ^ ^ i ^

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