• Codes
  • Features

    Features Overview

    Go to features
    Reference

    Reference.

    A reliable and up-to-date source of codes.
    Research

    Research.

    Rapidly and efficiently calculate project parameters.
    Collaboration

    Collaboration.

    Get everyone on the same page and streamline code research.
    Workflows
    Architects General Contractor Building Official & Plans Examiner Inspectors Owner Subcontractors Code Consultants
  • Pricing
  • Login
  • Sign Up
Sign Up
Login
  • Code Library
  • Features
  • Pricing
  • About
  • Careers
  • Help
  • Contact
  • Terms
  • Privacy
Sign Up
Upgrade to Premium
Code calculators: Code Calculators automatically generates a detailed list of requirements.
REFERENCE
Amendment Styling
Industry-leading search
Suggested code sections
Code diagrams
RESEARCH
Code calculators
Filter by topic
Code compare
Code sheet exports
COLLABORATION
Team projects
Bookmarks
Comments
START 2 WEEK FREE TRIAL
Have an account? Sign in
// CODE SNIPPET

C405.2.3.2 Sidelit Zone

Energy Conservation Code 2018 of Massachusetts > 4 [CE] Commercial Energy Efficiency > C405 Electrical Power and Lighting Systems > C405.2 Lighting Controls (Mandatory) > C405.2.3 Daylight-Responsive Controls > C405.2.3.2 Sidelit Zone
JUMP TO FULL CODE CHAPTER

The sidelit zone is the floor area adjacent to vertical fenestration that complies with all of the following:

  1. Where the fenestration is located in a wall, the sidelit zone shall extend laterally to the nearest full-height wall, or up to 1.0 times the height from the floor to the top of the fenestration, and longitudinally from the edge of the fenestration to the nearest full-height wall, or up to 2 feet (610 mm), whichever is less, as indicated in Figure C405.2.3.2.
  2. The area of the fenestration is not less than 24 square feet (2.23 m2).
  3. The distance from the fenestration to any building or geological formation that would block access to daylight is greater than the height from the bottom of the fenestration to the top of the building or geologic formation.
  4. The visible transmittance of the fenestration is not less than 0.20.

FIGURE C405.2.3.2

SIDELIT ZONE

Related Code Sections


C405.2.3.2 [CE] Commercial Energy Efficiency, Sidelit Zone
The sidelit zone is the floor area adjacent to vertical fenestration that complies with all of the following: Where the fenestration is located ...
Energy Conservation Code 2018 of Massachusetts > 4 [CE] Commercial Energy Efficiency > C405 Electrical Power and Lighting Systems > C405.2 Lighting Controls (Mandatory) > C405.2.3 Daylight-Responsive Controls > C405.2.3.2 Sidelit Zone
C402.4.4 [CE] Commercial Energy Efficiency, Daylight Zones
zones shall include toplit zones and sidelit zones ...
Energy Conservation Code 2018 of Massachusetts > 4 [CE] Commercial Energy Efficiency > C402 Building Envelope Requirements > C402.4 Fenestration (Prescriptive) > C402.4.4 Daylight Zones
(3) Special Occupancies, Zone
2. A Zone 2 location is a location In which ignitible concentrations of flammable gases or vapors are not likely to occur in normal operation ...
527 CMR 12.00: MA Electrical Code > 5 Special Occupancies > 505 Zone 0, 1, and 2 Locations > 505.5 Classifications of Locations > (B) Zone 0, 1, and 2 Locations > (3) Zone
907.6.3 Fire Protection Systems, Zones
Each floor shall be zoned separately and a zone shall not exceed 22,500 square feet (2090 m 2 ). The length of any zone shall not exceed 300 feet (91 ...
MA State Building Code, 8th ed, Base Volume > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.6 Installation > 907.6.3 Zones
907.6.4 Fire Protection Systems, Zones
Each floor shall be zoned separately and a zone shall not exceed 22,500 square feet (2090 m 2 ). The length of any zone shall not exceed 300 feet (91 ...
MA State Building Code, 9th ed, Base Volume > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.6 Installation and Monitoring > 907.6.4 Zones
Help Contact Us Privacy Terms
Code Compare
Code Compare
Highlight differences between any two building codes.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL LEARN MORE