Or. Admin. R. 690-210-0160
If a permanent surface casing is installed in the construction of a filter pack well, a watertight, welded, steel plate at least 3/16 of an inch in thickness shall be installed between the inner production casing and the outer surface casing at the well head. A watertight fill port with threaded cap may be installed for the purpose of placing additional filter pack material in the well. (See Figure 210-8.)
[ED. NOTE: To view attachments referenced in rule text, click here for PDF copy.]
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 7-2001, f. & cert. ef. 11-15-01
WRD 8-1993, f. 12-14-93, cert. ef. 1-1-94
WRD 13-1986, f. 10-7-86, ef. 11-1-86, Renumbered from 690-061-0141
WRD 9-1978, f. 12-12-78, ef. 1-1-79