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C1. Preparation <br />• Tanks may arrive at jobsite with monitoring fluid <br />already installed in annular space. <br />• If tank arrives without monitoring fluid pre-installed, <br />annular space can be filled with monitoring fluid after <br />tanks have been placed in the excavation. <br />Do <br />• Fill annular space before filling the tank. <br />• Remove primary tank fitting plug. <br />• Inspect inner tank for leaks. <br />Do Not <br />• Put any product in the inner tank without setting <br />and backfilling to tank top. <br />Do Not Enter Tank <br />• Entry can result in: <br />ASPHYXIATION EXPLOSION FIRE <br />C2. Antifreeze Solutions <br />Antifreeze solutions are needed if ambient or product <br />delivered temperature drops below freezing. <br />Chemically Accepted Antifreeze Solutions <br />• Propylene glycol (food grade). <br />❑ Always mix before pouring into tank cavity. <br />• Calcium chloride (non-toxic brine). <br />❑ Is premixed and ready to use. <br />Note: Before selecting antifreeze, always consult local <br />environmental codes for possible restrictions. <br />Freeze <br />Protection <br />% Glycol Mixture <br />(with water) <br />Brine <br />20°F <br />20% <br />n/a <br />0°F <br />30% <br />n/a <br />-20°F <br />40% <br />n/a <br />-40°F <br />50% <br />premixed* <br />*As supplied by Owens-Corning <br />C3. Jobsite Safety Precautions <br />AWARNING Always wear safety glasses and protective <br />clothing when mixing or handling any <br />antifreeze solution. <br />14 <br />• If any of the following accidents occur, quickly take <br />the steps listed. <br />• Contact with eyes (may cause minor eye injuries). <br />❑ Promptly flush eyes with plenty of water for at <br />least 15 minutes. <br />❑ Get medical attention. <br />• Contact with skin (may cause minor skin irritations). <br />❑ Promptly flush skin with plenty of water. <br />• Ingestion (may cause gastrointestinal irritation or ulceration). <br />❑ Induce vomiting (if swallowed). <br />❑ Immediately consult a physician. <br />• Spillage (may cause surfaces on which people walk to <br />remain wet longer). <br />❑ Flush area with plenty of water. <br />C4. Filling the Annular Space <br />If tank is shipped with annular space empty, <br />follow these instructions. <br />• Where safety conditions dictate: <br />❑ Backfill the tank first. <br />❑ Then fill the annular space. <br />• Where jobsite conditions permit: <br />❑ Fill the annular space with liquid prior to backfilling. <br />• For Type II tank models: <br />❑ Contractor may slope tank 2" to minimize trapped air <br />(which may cause a false alarm at a later date) in the cavity. <br />High End <br />of Tank <br />Fiberglas® Reservoir <br />Optional <br />2" Slope <br />Hydrostatic Monitor System <br />Preparation For Filling <br />(If reservoir is located near end of tank). <br />• Set tank in excavation with Fiberglas reservoir (see note 2 <br />below) placed at the high end of tank. <br />• Remove 4" NPT fitting plug in top of reservoir (see note 2 <br />below) prior to filling the annular space. <br />• Place a standpipe in reservoir (see note 2 below) fitting. <br />• Remove 4" NPT fitting plug in 4" monitoring fitting located <br />on the other end of tank. <br />• Place standpipe in 4" monitoring fitting. <br />❑ Standpipes (2" diameter or larger recommended) must be <br />a minimum 4' higher than the tank top. <br />Notes: 1. Since smaller capacity 6' and 8' diameter tanks only <br />have 4" fittings in Fiberglas reservoir, place one <br />standpipe in reservoir fitting. <br />2.4' diameter tanks have no reservoir. Place a 4" riser <br />(contractor supplied) into 4" annular space fitting. <br />