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6 <br />a 0 0 <br />E - Backfill and Pouring the Concrete <br />ZMDo not remove Square caps from Rack sleeves until <br />after concrete has been poured and firmly set. <br />EA - Prepare site for concrete pouring. Backfill with peagravel around Vent Box, <br />noting the elevations of peagravel around <br />the box. Place your peagravel in such a way <br />that the concrete poured around the Vent Box <br />is even and within the dimensions shown in <br />Fig. E.I. <br />BRAVO SYSTEMS STATES INSTALLING <br />PERMANENT "BOLLARDS" (HEAVY POSTS) IS: <br />HIGHLY RECOMMENDED if Vent Transition <br />Sump is used for Vapor Vent Transition <br />MANDATORY! if Vent Transition Sump is <br />used for Product Transition <br />Fig. EA <br />M <br />E.2- Level concrete away <br />from Vent Box. If NOT <br />Cross installing rack system, do <br />Braces NOT remove the square caps <br />from the rack sleeves. Use <br />Vulkem to seal the caps to the <br />tops of the rack sleeves to <br />create a barrier for <br />moisture. <br />E.3 -After concrete has <br />_ I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />10" <br />45 5" <br />f <br />set, remove square caps from I <br />rack sleeves and assemble <br />rack system. Drop rack <br />system (RS500) into square tubing, or rack sleeves, secure, and <br />seal off rack cross/brace and fasteners with Vulkem Sealant. <br />(Fig. E.3) <br />E.4- Fasten to vent box. Install vertical riser pipe to appropriate <br />height, according to your local regulatory requirements. Secure <br />, pipes using pipe clamps to the rack system. <br />5 ii -B500/600 -SW -08B <br />