Current through Register Vol. 63, No. 12, December 1, 2024
Section 740-105-0210 - Methods of Preheating(1) Preheating may be accomplished by flame or electrical resistance method.(2)(b) All preheating performed under the conditions of this procedure must comply with the following preheat parameters. (A) In cases where no preheat is specified, and the ambient temperature is below 32 degrees F, the base metal must be preheated to at least 70 degrees F prior to welding and/or tack welding.(B) Preheating will be done at least three (3) inches laterally and in advance of the welding.(C) Welding will not be performed on surfaces that are wet or under high wind conditions without proper weather protection.Or. Admin. Code § 740-105-0210
PUC 16-1993, f. & cert. ef. 8-19-93 (Order No. 93-1157); MCT 3-1996, f. & cert. ef. 3-14-96; Renumbered from 860-066-0111Stat. Auth.: ORS 183.335, ORS 823.011, ORS 825.210 & ORS 825.252
Stats. Implemented: ORS 825.210 & ORS 825.252