Or. Admin. R. 690-210-0320
Cement grout or concrete used as a sealing material in a well shall be placed or forced upward from the bottom to completely fill the annular space to be grouted and shall be placed in one continuous operation without significant interruption. If temporary outer surface casing is used in the construction of the well, it shall be withdrawn as the grout or concrete is placed. (For acceptable methods of placement, see Appendix 210-3 and Figure 210-1).
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ORS 536.090, ORS 537.505-537.795, ORS 536.027, ORS 536.900 & ORS 537.992
ORS 536.090, ORS 537.505-537.795, ORS 536.900 & ORS 537.992
WRD 5-2023, amend filed 06/22/2023, effective 07/01/2023
WRD 1-2017, f. & cert. ef. 2-16-17
WRD 5-2016, f. & cert. ef. 9-6-16
WRD 5-2015, f. & cert. ef. 7-1-15
WRD 7-2001, f. & cert. ef. 11-15-01
WRD 7-1988, f. & cert. ef. 6-29-88
WRD 13-1986, f. 10-7-86, cert. ef. 11-1-86, Renumbered from 690-061-0021 & 690-061-0096
WRD 9-1978, f. 12-12-78, cert. ef. 1-1-79