CLD Lighting Design Codes, Standards & Regulations 4

Question 1

A designer is working on a hospital patient room. Which IES document provides the most specific recommended illuminance levels for this application?

Accepted Answer

IES RP-29 (Lighting for Hospitals and Healthcare Facilities)

Answer

IES RP-29 is dedicated to healthcare facility lighting and specifies illuminance targets for patient rooms, exam rooms, corridors, and surgical suites.

Question 2

Under ASHRAE 90.1 Space-by-Space method, a lighting designer must stay within the LPD allowance for each individual space. What is the alternative compliance path offered?

Accepted Answer

Building Area Method (whole-building LPD)

Answer

ASHRAE 90.1 offers the Building Area Method as an alternative, assigning a single LPD value based on the building's primary use type.

Question 3

Which code requirement governs the minimum height of exit signs above the floor in most US jurisdictions?

Accepted Answer

NFPA 101 Life Safety Code

Answer

NFPA 101 specifies exit sign placement, visibility requirements, and mounting heights to ensure occupant safety during egress.

Question 4

A project pursuing LEED v4.1 BD+C certification wants points for the 'Interior Lighting' credit. Which prerequisite must first be met?

Accepted Answer

Minimum Energy Performance prerequisite (compliance with ASHRAE 90.1)

Answer

LEED requires the Minimum Energy Performance prerequisite—typically ASHRAE 90.1 compliance—before any lighting optimization credits can be pursued.

Question 5

The IES LM-79 standard defines the approved method for measuring which property of solid-state lighting (SSL) products?

Accepted Answer

Photometric and electrical characteristics of complete SSL luminaires

Answer

IES LM-79 establishes the electrical and photometric measurement procedures for complete SSL luminaires, including total flux, efficacy, and distribution.

(CLD) Certified Lighting Designer Practice Test

(CLD) Certified Lighting Designer Practice Test

CLD Lighting Design Codes, Standards & Regulations 4