Significance and Use
4.1 Each Facility Rating Scale (see ) in this classification provides a means to estimate the level of serviceability of a building or facility for one topic of serviceability and to compare that level against the level of any other building or facility.
4.2 This classification can be used for comparing how well different buildings or facilities meet a particular requirement for serviceability. It is applicable despite differences such as location, structure, mechanical systems, age, and building shape. Further information may be found in ISO 19208.
4.3 This classification can be used to estimate the amount of variance of serviceability from target or from requirement, for a single office facility, or within a group of office facilities.
4.4 This classification can be used to estimate the following:
4.4.1 Serviceability of an existing facility for uses other than its present use.
4.4.2 Serviceability (potential) of a facility that has been planned but not yet built.
4.4.3 Serviceability (potential) of a facility for which remodeling has been planned.
4.5 Use of this classification does not result in building evaluation or diagnosis. Building evaluation or diagnosis generally requires a special expertise in building engineering or technology and the use of instruments, tools, or measurements.
4.6 This classification applies only to facilities that are building constructions, or parts thereof. (While this classification may be useful in rating the serviceability of facilities that are not building constructions, such facilities are outside the scope of this classification.)
4.7 This classification is not intended for, and is not suitable for, use for regulatory purposes, nor for fire hazard assessment nor for fire risk assessment.
1.1 This classification covers matched sets of scales for classifying an aspect of the serviceability of an office facility, that is, the capability of an office facility to meet certain possible requirements for performance to support typical office equipment for information technology.
1.2 Within that aspect of serviceability, each matched set of scales, shown in , are for classifying one topic of serviceability. Each topic is typically broken down into two more demand functions and supply features. Each paragraph in an Occupant Requirement Scale (see ) summarizes one level of serviceability on that topic, which occupants might require. The matching entry in the Facility Rating Scale (see ) is a translation of the requirement into a description of certain features of a facility which, taken in combination, indicate that the facility is likely to meet that level of required serviceability.
FIG. 1 Demand Scale A.5.1 for Density of Office Computers and Equipment
FIG. 2 Supply Scale A.5.1 for Density of Office Computers and Equipment
FIG. 3 Demand Scale A.5.2.1 for Location of Available Power
FIG. 4 Supply Scale A.5.2.1 for Power Distribution
FIG. 5 Demand Scale A.5.2.2 for Plug-in Points at Workstation
FIG. 6 Supply Scale A.5.2.2 for Plug-in Points per Workstation
FIG. 7 Demand Scale A.5.3 for Reliability and Quality of Supply
FIG. 8 Supply Scale A.5.3 for Reliability and Quality of Supply
FIG. 9 Demand Scale A.5.4.1 for Horizontal Distribution
FIG. 10 Supply Scale A.5.4.1 for Horizontal Distribution
FIG. 11 Demand Scale A.5.4.2 for Risers
FIG. 12 Supply Scale A.5.4.2 for Risers
FIG. 13 Demand Scale A.5.4.3 for Entrance Facility
FIG. 14 Supply Scale A.5.4.3 for Entrance Facility
FIG. 15 Demand Scale A.5.4.4 for Service to the Site
FIG. 16 Supply Scale A.5.4.4 for Service to the Site
FIG. 17 Demand Scale A.5.5 for Cable Plant
FIG. 18 Supply Scale A.5.5 for Cable Plant
1.3 The entries in the Facility Rating Scale (see ) are indicative and not comprehensive. They are for quick scanning to estimate approximately, quickly, and economically, how well an office facility is likely to meet the needs of one or another type of occupant group over time. The entries are not for measuring, knowing, or evaluating how an office facility is performing.
1.4 This classification can be used to estimate the level of serviceability of an existing facility. It can also be used to estimate the serviceability of a facility that has been planned but not yet built, such as one for which single-line drawings and outline specifications have been prepared.
1.5 This classification indicates what would cause a facility to be rated at a certain level of serviceability but does not state how to conduct a serviceability rating nor how to assign a serviceability score. That information is found in Practice . The scales in this classification are complimentary to, and compatible with, Practice . Each requires the other.
1.6 The scales are intended to identify the levels of various requirements unique to a particular user, and the serviceability (capability) of a building to meet those requirements. The scales thus supplement rather than include code requirements. It remains the responsibility of designers, builders, and building managers to meet applicable code requirements relative to their respective roles in facility design, construction, and ongoing management.
1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.