CLC Lighting System Commissioning & Quality Assurance

Question 1

What is the primary purpose of lighting commissioning?

Accepted Answer

To verify that a lighting system is installed and operates according to design intent

Answer

To select the most energy-efficient luminaires for a project

Answer

To calculate the total cost of ownership for a lighting system

Answer

To ensure compliance with local building codes only

Question 2

Which document establishes the intended performance expectations of a lighting system before commissioning begins?

Accepted Answer

Owner's Project Requirements (OPR)

Answer

Request for Proposal (RFP)

Answer

Certificate of Occupancy

Answer

Energy Audit Report

Question 3

Which measurement instrument is most appropriate for verifying horizontal illuminance levels during commissioning?

Accepted Answer

Illuminance meter (footcandle meter)

Answer

Goniophotometer

Answer

Spectroradiometer

Answer

Luminance meter

Question 4

What is a 'punch list' in the context of a lighting commissioning project?

Accepted Answer

A list of deficiencies, incomplete items, or corrections needed before project closeout

Answer

A schedule of all luminaire replacements needed over the product's life

Answer

A documentation of all approved product substitutions during construction

Answer

A record of all energy measurements taken during testing

Question 5

During commissioning of occupancy sensors, which parameter is most critical to verify for energy performance?

Accepted Answer

The time delay before lights turn off after the space becomes unoccupied

Answer

The color temperature of nearby luminaires

Answer

The total lumen output of controlled fixtures

Answer

The power factor of connected loads

Question 6

What does 'as-built documentation' provide at the completion of a lighting project?

Accepted Answer

An accurate record of how the lighting system was actually installed, including all field modifications

Answer

The original design drawings before any field changes were made

Answer

The manufacturer's specifications for all installed equipment

Answer

The preliminary schematic design from the concept phase

Question 7

At what stage of a project should commissioning activities ideally begin?

Accepted Answer

During schematic design, when project goals and requirements are being established

Answer

After construction is complete and all equipment is installed

Answer

Only after the certificate of occupancy is issued

Answer

When the contractor submits the first shop drawings