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Odor Control Unit <br />Heavy Duty Casting (Refer to Standard 4-6) <br />Conc. Adjusting Ring <br />Reinforced Conc. Lid, 12" <br />_" Plug Valve <br />Reinforced Pre-Cast Conc. <br />Section Per ASTM C478 <br />_" Force Main <br />Core Holes for Piping (Typ.) (See Note 2) <br />Adjustable Pipe Supports (Typ.) <br />Minimum Length <br />7' for 4" Through 10" Forcemain <br />9' for 12" Through 20" Forcemain <br />12' for 24" Forcemain <br />_"x_" Tee <br />12" Min. <br />_"x_" Reducer <br />APCO or Val-matic <br />Combination Air <br />Release Valve 12"Min.Finished or Ex. Grade <br />Seal all Joints w/ Conseal CS-102, Bidco C-56 or <br />Approved Equal. Wrap all Joints with Conseal CS-212 <br />Exterior Joint Wrap or Approved Equal. Apply Wrap <br />Primer per Manufacturers Requirements. <br />Flow Direction7' Min. Spool (24" Min.) <br />3'-0" <br />Clearance <br />_" Plug Valve <br />w/ Direct Nut <br />SECTION VIEW <br />PLAN VIEW <br />Link Seal (Typ.) or Approved Equal <br />B-Borrow (Compacted) <br />6" Min. <br />(Typ.)6"Min.12"Min.B-Borrow Backfill Unless Otherwise <br />Approved by City Engineer <br />Link Seal (Typ.) or Approved Equal <br />APCO or Val-matic <br />Combination Air <br />Release Valve <br />_"x_" Reducer <br />_" Plug Valve <br /> Spool (24" Min.) <br />_"x_" Tee <br />6' Minimum Width for 4" Through 10" Forcemain <br />8' Minimum Width for 12" Through 24" Forcemain4'-0" (Typ.) for 12" Through 24" Forcemain <br />3'-0" (Typ.) for 4" Through 10" Forcemain <br />6/26/18 <br />CITY OF SOUTH BENDItemRevision <br />STANDARD <br />EFFECTIVE DATE: <br />REF STD SPEC SEC <br />APPROVED/REVISED BY THE BOARD OF PUBLIC WORKS <br />STANDARDS FOR DESIGN <br />AND CONSTRUCTION <br />Kara M. Boyles, Ph.D., P.E. Date <br />AIR RELEASE VALVE STRUCTURE 4-16 <br />4-2 and 4-3 <br />June 26, 2018 <br />SECTION 4 - SANITARY <br />NOTES: <br />1. Pre-Cast concrete structure shall be manufactured and installed in compliance with <br />ASTM C-913 (rectangular or square structure). <br />2. The cored opening shall be large enough to allow passage of the pipe flange. <br />3. Place pipe supports at the fittings. <br />4. Structure dimensions shown are based on ductile iron forcemain pipe. If an alternate <br />forcemain pipe material is used, structure dimensions shall be adjusted to allow for <br />flange adaptors.