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❑ Step 12 continued: <br />Concrete work <br />Qofnr to tkn HA inctollotinn knlnm <br />❑ Step 12 continued : Cure concrete with <br />cast iron access covers inserts until <br />hardened. <br />❑ Reference drawing for how to set <br />access covers <br />Concrete slab and tank must be <br />separated avoid a load being applied tank <br />directly. <br />This is example setting access covers <br />using a concrete riser. <br />REFERENCE FOR SETTING CAST IRON ACCESS COVER <br />Access cover <br />Tuf-Tite Riser / Polylok Riser <br />26" <br />20" <br />30" <br />24" <br />Access cover Dia. <br />Access cover <br />Concrete riser flame <br />\ iser Di - <br />C_V <br />U) T <br />KEEP CLEARANCE <br />WITH TANK <br />❑ Step 12 continued: During final landscaping, <br />seeding etc., be sure to pitch final grade away <br />from covers to sweep surface water away <br />from treatment tank. <br />N <br />Riserlheight 12" <br />❑ Step 13: Fill out Warranty Activation Card (received with this Installation Manual) and return to <br />Fuji Clean USA to activate system Warranty. If this card cannot be foWON" <br />Clean USA for voice or online Warranty activation. 207-406-2927. <br />22 <br />