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ASTM Uniformat II Classification for Building Elements (E). Level 1. Major Group Elements. Level 2. Group Elements. Level 3. Individual Elements. This standard is issued under the fixed designation E ; the number immediately 1 This classification is under the jurisdiction of ASTM Committee E06 on. Purchase your copy of ASTM E – 09() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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Having a manual or database in an elemental format helps you perform economic analysis early in the design stage and at reasonable cost.

Furthermore, it allows input, at the schematic phase, from: Each discipline must think through the project as the Schematic Phase progresses, select baseline concepts and construction systems that are judged most appropriate, and propose alternatives.

Elemental estimates are linked to a PPD with a common classification at the outset of a project, further facilitating design cost analysis. Estimating formats that differ from project to project, require too much time to comprehend, do not support design cost analysis, and that cannot easily be monitored from one design phase to another no audit trail.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Realistic elemental budget and design program estimates can be prepared from historical and published elemental cost data, using cost modelling techniques outlined in the text “Project Budgeting for Buildings” that is listed in the UNIFORMAT references 9.

The partition density the ratio of the quantity of partitions per square foot GFA is 1. As a result, many project managers do not give cost control the high priority it requires throughout a project, often with serious consequences for all team members and the client.

Consequently, the various consultants must think the project through early in the design process and communicate this information in a format common to other team members. The project manager, client and user are presented with a clear and simple project description, element by element, at the Schematic Phase; they are in a position to provide informed comments much earlier than usual on any changes that may be required.


Link to Active This link will always route to the current Active version of the standard. There is a need in North America to improve communications and coordination during the design of buildings. This approach provides the technical and cost information necessary to initiate life cycle costing, energy analysis, and value engineering studies during the initial phase of the design process, i.

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 building professionals by providing a clear statement of the designer’s intent. Charette, Robert, Brian Bowen. This prevents projects from going “sour” because of costly redesigns and delays due to cost overruns and scope creep that must be resolved early on in a project.

Bowen, Brian, Robert Charette.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

For example, in a conventional trade estimate, all components of an exterior wall astmm as the brick, vapor retarder, insulation and block back-up would be priced separately, distributed in their respective divisions, and 1e557 cost summarized with all other products, according to Divisionsusually with no indication as to their construction function, i. As a result, fewer major changes are likely to occur during the Design Development Phase, and the design schedule likely accelerated.

ASTM E – 97e1 Standard Classification for Building Elements and Related Sitework-UNIFORMAT II

With a common understanding at the concept phase between client and designers as to building systems selected and the scope and cost of the project, the Design Development Phase can be initiated with fewer uncertainties and the schedule can likely be accelerated. Newton Centre, MA Tel.: Information is also more easily understood by clients and others who do not have a technical background.


Active view current version of standard. The author is Robert P. The unit rates of most elements are indicative of their quality level, vital information for designers and clients.

Cost overages are identified earlier than usual, allowing more time for corrective action to be taken without delaying the design schedule. From these distributions, build up probability distributions of total project costs to establish acceptable project contingencies or to serve as inputs to an economic analysis. It also enhances reporting at all stages in construction—from feasibility and planning through the preparation of working documents, construction, maintenance, rehabilitation, and disposal.

To implement UNIFORMAT II effectively for building design management, written directives or guidelines must be issued to each team member; a briefing session for the team should be held prior to the start of design to ensure that everyone clearly understands the procedures to be followed and the resulting benefits for all participants. It also enhances reporting at all stages in construction-from feasibility and planning through the preparation of working documents, construction, maintenance, rehabilitation, and disposal.

Appendix X1 presents a more detailed suggested Level 4 classification of sub-elements. Project Budgeting for Buildings. He may be reached by telephone or fax at or by e-mail at This e-mail address is being protected from spambots.

Personal Publications Robert P.

ASTM E1557 – 09(2015)

This allows an architect, for example, to reference an exterior wall assembly according to UNIFORMAT II element designations and build up a database of standard details structured according to the classification. The classification is the common thread linking activities and participants in a e15557 project from initial planning through operations, maintenance, and disposal. Quality management programs such as ISO require documentation at each stage of a process.