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[8] [24] The performance path allows for some more flexibility, when compared to prescriptive codes. [ 8 ] [ 24 ] The performance path achieves this by creating space for building design-solutions that provide trade-offs between energy-intensive systems in order to meet both the energy performance goal and optimize cost-effective measures for a ...
UK project specification types fall into two main categories prescriptive and performance. Prescriptive specifications define the requirements using generic or proprietary descriptions of what is required, whereas performance specifications focus on the outcomes rather than the characteristics of the components.
Using a Performance Based approach does not preclude the use of prescriptive specifications. Although the benefits of the adopting of a PBBD approach are significant, it is recognized that employing a performance-based approach at any stage in the building process is more complex and expensive than using the simpler prescriptive route.
In the performance approach, a baseline energy cost budget (ECB) is established, based on the building size and program. This baseline ECB is established using building performance simulation to model a building with the same size and program as the project building, built according to the prescriptive requirements of ASHRAE 90.1 (sections 5-10 ...
IEC 60081 Double-capped fluorescent lamps – Performance specifications; IEC 60083 Plugs and socket-outlets for domestic and similar general use standardized in member countries of IEC; IEC 60085 Electrical insulation – Thermal evaluation and designation; IEC 60086 Primary batteries; IEC 60092 Electrical installations in ships
RS-232 (or EIA-232) electrical characteristics, single-ended voltage digital interface circuit (serial data communications) RS-259, 75Ω RF high power RF connectors, (EIA RF Connectors) EIA-274 is the most common NC code format. In the machine tool industry it also known as G-code. In the PCB industry Standard Gerber, now revoked, was based on it.
It provides two approaches to meet this goal: prescriptive and performance-based. The prescriptive path provides specific requirements for building envelopes, mechanical systems, service water heating systems and electrical power/lighting systems. The performance-based pathway requires modeled requirements and plug load controls.
The shop drawing should address the appearance, performance, and prescriptive descriptions in the specifications and construction drawings. [2] The shop drawing often is more detailed than the information shown in the construction documents to give the architect and engineer the opportunity to review the fabricator’s version of the product ...