Approved Construction Safety Orders standards (§§ 1500‑1938)

Occupational Safety & Health Standards Board

After proceedings held in accordance with and pursuant to authority vested in Sections 142, 142.3 and 142.4 of the Labor Code to implement, interpret, or make specific, the Occupational Safety and Health Standards Board, by a majority vote, adopted additions, revisions or deletions to the California Code of Regulations, Title 8, Chapter 4.

For more information regarding the development of Occupational Safety and Health regulations, e-mail oshsb@dir.ca.gov.

  • Section 1523 Illumination for Nighttime Highway Construction Projects (effective Aug. 12, 2004)
  • Section 1524 Drinking Water in Construction (effective Aug.29, 2008)
  • Section 1527 Washing Facilities at Construction Jobsites (effective Feb. 5, 2003)
  • Sections 1529, 1535, 5190, and 5210 Exposure and Control Method Notification Requirements for Asbestos, Methylenedianiline, Vinyl Chloride, and Cotton Dust (effective Jul. 28, 2005)
  • New Section 1530.1 Control of Employee Dust Exposure from Concrete and Masonry Operations (effective Oct. 22, 2008)
  • Section 1532.1 Notification to the Division of Lead-Related Work (effective Jan. 25, 2002)
  • Section 1532.2 Carcinogen Report of Use Requirements for Chromium VI (effective Nov. 29, 2007)
  • Section 1533 Internal Combustion Engine-Driven Equipment (Technical Amendments) (effective Oct. 1, 2013)
  • Section 1541 Excavations, General Requirements (effective Mar. 31, 2007)
  • Section 1541.1 Requirements for Trench Shoring Systems (effective May 9, 2001)
  • Section 1590 Use of High Visibility Apparel--Private Roads and Off-Highway Situations (effective Jul. 2, 2010)
  • Section 1593 Securing Loads on Haulage Vehicles (effective Jul.28, 2004)
  • Section 1597 Jobsite Vehicles--Scope and Application (effective Apr. 4, 2008)
  • Sections 1598 and 1599 Update of Reference to California Manual on Uniform Traffic Control Devices for Streets and Highways (CA MUTCD) (effective Jul. 1, 2014)
  • Section 1599 Traffic Control--Number of Flaggers (effective Jun. 24, 2010)
  • Section 1618.1(e) Cranes and Derricks in Construction Operator Certification Effective Dates and Phase-In (Federal Time Extension) Horcher (effective Apr. 30, 2015)
  • Section 1626 Stairwells and Stairs (effective May 2, 2002)
  • Section 1629 Double Cleat Ladders (effective Apr. 25, 2001)
  • Section 1670 Fall Arrest Free Fall Distance (effective Jul. 15, 2005)
  • Section 1671.2 Use of Safety Monitors in Controlled Access Zones (effective Oct.12, 2002)
  • Section 1704 Pneumatic Nailers and Staplers (effective Nov. 30, 2007)
  • Section 1709 Maximum Allowable Load (effective Jan. 28, 2011)
  • Section 1710 Multi-Story Skeletal Steel Construction-Metal Decking Replacement - Horcher (effective Aug. 27, 2015)
  • Section 1710(f) Column Stability for Structural Steel Erection (effective Apr. 14, 2006)
  • Sections 1710 and 4999 Securing of Loads Prior to Release from Cranes and Other Hoisting Apparatus (effective Aug.24, 2001)
  • Section 1710(k)(2) Permanent Flooring--Skeleton Steel Construction in Tiered Buildings (effective Jun. 6, 2008)
  • Section 1712 Hazards Associated with Reinforcing Steel and Other Similar Projections (effective Mar.4, 2004)
  • Section 1716.1(f)(1) Approval of Structural Wood Framing System Erection Plans (effective Feb. 28, 2001)
  • Section 1716.2 Fall Protection for Residential-Type Framing Activities (effective Aug. 6, 2004)
  • Section 1720 Concrete Pumps and Placing Booms (effective May 3, 2006)
  • Section 1740(b) Storage and Use of Fuel Gas Cylinders (effective Sep.20, 2007)
  • Section 1742 Definitions of "Manifold" and "Header" (effective Jan. 8, 2011)
  • Sections 1801 and 8416 Update of ANSI Z136.1 Laser Safety Standards, Warning Signs, Labeling, and Posting of Signs (effective May 27, 2007)
  • Section 1903 Landing Operations-Note to Section 1903 (effective Jan. 1, 2015)
March 2017