Thursday, November 16, 2006

Electrical ELCCA Questionnaire

Topic: Standard questions to the electrical engineer from the ELCCA analyst to complete PFEC form, the ELCCA workplan, and the ELCCA report.

Note 1) WSEC values shown below are for the 2006 Washington State Energy Code
Note 2) ELCCA values shown below are for the 2005 ELCCA Guidelines
Note 3) The functional area list will answer for most schools; edit as required
Note 4) Code maximum power density is less than or equal to ELCCA prescriptive for administrative, multipurpose, cafeterias, gymnasiums, and auditorium areas.

PFEC Form:

Note to the Analyst: The following questions found on the PFEC may be answered by the electrical drawings, or may require the input from the electrical engineer.

  • Fixture description including lamp and ballast type for the following functional areas:
    • Classrooms
    • Administrative
    • Multipurpose/gymnasium
    • Corridor & commons
  • If available, obtain copies the NREC forms and the luminaire schedule from the electrical engineer; these will help to answer quantitatively most of the electrical questions on the PFEC.
ELCCA Workplan:

Note to the Analyst: Upon project initiation, cut-and-paste following questions to the body of an e-mail to the electrical engineer. If a timely responses is not received, the workplan may be submitted using prescriptive values. However responses are required to the questions of this section in order to complete the ELCCA report. The workplan should be updated if the electrical engineers responses are at variance with the information submitted.
  • Fixture description including lamp and ballast type for the following functional areas:
    • Classrooms & learning commons
    • Administrative
    • Multipurpose/gymnasium
    • Corridors & restrooms
  • What are the design lighting densities in the following functional areas? (WSEC maximums/ELCCA prescriptives shown in parentheses):
    • Classrooms (1.2 /1.15 W/sf) :
    • Administrative (1.00 /1.10 W/sf) :
    • Multipurpose, cafeterias, gymnasiums, and auditoriums (1.0 /1.0 W/sf):
    • Corridors and restrooms (0.80 / 0.70 W/sf) :
  • If daylighting is provided, will control be zone switched or continuous dimming?
  • If the lighting densities in classrooms and corridors exceed ELCCA prescriptives, we must evaluate two lighting alternatives.

    • Lighting Alternative #1:
    • Lighting Alternative #2:
ELCCA Report:

In addition to the information from the preceding section, request the following data from the electrical engineer when available for inclusion in the ELCCA report:
  • Lighting layouts
  • Luminaire schedule
  • Exterior lighting power, kW
  • NREC forms, if available
  • Emergency generator power, kW
Some of the items above may not be available until near the end project, and thus will not be available if the ELCCA is to be submitted near the end of schematic design of during the design development phase.

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