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12" . 12" <br />INSULATOR (TYP.) <br />SEE NOTE 4 <br />END SEAL (TYP.) PIPE JOINT J <br />BOTH ENDS <br />SEE NOTE CASING DETAIL <br />USE POLYETHYLENE CASING <br />WITH POLYETHYLENE SKIDS <br />AND BANDS SHALL <br />STAIN <br />PIPE <br />SIZE <br />(I.D.) <br />STEEL CASING <br />PIPE <br />MIN. SIZE (I.D.) <br />MIN. <br />WALL <br />THK. <br />ARRIER PIPE <br />DIP & PVC <br />6" <br />16" <br />X" <br />8" <br />18" <br />y„ <br />10" <br />21" <br />%s <br />12" <br />24" <br />%s' <br />NOTES <br />SECTION A -A <br />12" <br />PIPELINE CENTERED <br />IN CASING <br />CENTERINSULATOR <br />ON EACH PIPE SECTION <br />PIPE CENTERED IN CASING <br />STEEL CASING PIPE WITH MIN. WALL <br />THICKNESS AND MININMUM INSIDE <br />DIAMETER PER SCHEDULE HEREON <br />FILL ANNULAR SPACE <br />WITH AIR -BLOWN SAND <br />1. ALL SEWER ENCASEMENT REQUIRES ENGINEER'S APPROVAL. <br />2. ALL STEEL CASING PIPE JOINTS SHALL BE WELDED FULL CIRCUMFERENCE. <br />3. UPSTREAM AND DOWNSTREAM ELEVATIONS TO BE VERIFIED. <br />4. SPACING BETWEEN THE CASING INSULATORS SHALL BE PER THE MANUFACTURER'S RECOMMENDATIONS, EXCEPT THAT <br />THERE SHALL BE AT LEAST 3 CASING INSULATORS PER PIPE SECTION, ONE 12" FROM EACH JOINT AND ONE CENTERED. <br />ADDITIONALLY, ONE INSULATOR SHALL BE INSTALLED 12" FROM EACH END OF THE CASING. <br />5. BOTH ENDS OF THE CASING BETWEEN THE CASING AND CARRIER PIPE SHALL BE SEALED WATER TIGHT USING AN END SEAL. <br />BANDS SHALL BE TYPE 304 STAINLESS STEEL. <br />DATE <br />DATE: (1 yY O CITY OF SANTA ANA o <br />PUBLIC WORKS AGENCY <br />REVISION <br />STEEL CASING <br />STD. PLAN <br />NUMBER <br />1203 <br />