Section 296-155-66409. Appendix E—Alternatives to timber shoring.  


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  • Appendix E to part N - Alternatives to Timber Shoring
    Figure N-23, Aluminum Hydraulic Shoring
    Figure N-24, Pneumatic/hydraulic Shoring
    Figure N-25, Trench Jacks (Screw Jacks)
    Figure N-26, Trench Shields
    [Statutory Authority: Chapter 49.17 RCW and RCW 49.17.040, [49.17].050 and [49.17].060. WSR 92-22-067 (Order 92-06), § 296-155-66409, filed 10/30/92, effective 12/8/92.]
Chapter 49.17 RCW and RCW 49.17.040, [49.17].050 and [49.17].060. WSR 92-22-067 (Order 92-06), § 296-155-66409, filed 10/30/92, effective 12/8/92.