Oregon Administrative Rules
Chapter 690 - WATER RESOURCES DEPARTMENT
Division 210 - WELL CONSTRUCTION STANDARDS
Section 690-210-0290 - Liner Pipe

Universal Citation: OR Admin Rules 690-210-0290
Current through Register Vol. 63, No. 9, September 1, 2024

Liner pipe installed through caving formations and installed without driving, may be of lighter weight than specified by Table 210-2 under OAR 690-210-0190. Such lightweight pipe shall have a wall thickness equal to or greater than 0.188 inch. All liner pipe shall be of steel, in new or like new condition, being free of pits or breaks; or shall be of polymerized vinyl chloride (PVC) type 1220 or 1120 and SDR 26 (Class 160) or greater wall thickness. Liner pipe installed in a well shall extend or telescope at least eight feet into the lower end of the well casing. In the event that more than one string of liner pipe is installed, each string shall extend or telescope at least eight feet into the adjacent larger diameter liner pipe. Liner pipe shall be removable. Liner pipe may be welded or hooked onto the permanent well casing but shall not be permanently fixed to a well casing or borehole wall using packers or grout which would prohibit the liner's removal. (See Inner Casing, OAR 690-210-0230.)

To view attachments referenced in rule text, click here to view rule.

Statutory/Other Authority: ORS 536.090, ORS 537.505-537.795, ORS 536.027, ORS 536.900 & ORS 537.992

Statutes/Other Implemented: ORS 536.090, ORS 537.505-537.795, ORS 536.900 & ORS 537.992

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