WISHA provides rule guidance to staff through two types of policies:

1. WISHA Interim Operations and Interpretive Memoranda (WIIM)
2. WISHA Regional Directives (WRD)

The WIIMs and WRDs do not:

• Substitute for the rule or requirement referenced
• Create additional obligations for employers

Policies related to Chapter 296-155, WAC.

WISHA policies in effect as of 4/10/2013. View all policies by Related WAC code.

Referenced WAC	Policies
Construction, Safety Standards for (Chapter 296-155, WAC)	Inspection Procedures for Enforcing the Excavation Standards (WRD 91-2B ) Washington Administrative Code 296-155-176, Lead Exposure in Construction—Inspection and Compliance Guidelines (WRD 95-1 ) Head Protection and All-Terrain Vehicles (ATVs) (WRD 5.92) Preventing Lead Exposure When Welding, etc., in Enclosed or Confined Spaces (WIIM 98-1-L) Tag Line Use (WRD 29.72) Asbestos Project Notification (WRD 23.25) Pre-operational Testing Requirements for Tower Cranes (WRD 8.50) Enforcement Policy for Construction Crane Certification and Crane Operator Qualifications and Certification Under WAC 296-155-529 through 53300. (WRD 8.60) Chromium VI (WRD 12.80) Crane Safety Inter-program Coordination (WRD 8.70) Lifting & Offloading Intermodal Containers at Construction Sites (WRD 22.25) Bathroom and Toilet Facility Access (WRD 5.98) Employee Entry into Worksites Suffering Structural Damage (WRD 5.45) Rigger Testing Documentation (WRD 7.10) Cone Setting Requirements (WRD 6.55) Auditing Accredited Crane Certifiers (WRD 8.80) Enforcement guidance for the Longshoring Industry (WRD 22.95)
Fall Restraint and Fall Arrest (WAC 296-155-245 through 24525)	Scaffold and the Fall Protection Work Plan (WRD 30.20)