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0 <br />r <br />Appurtenances and Accessories (cont.) <br />Tank Ladders (optional) <br />Ladders of FRP aluminum or carbon steel are installed <br />at the factory. The ladders are attached at the tank <br />bottom by FRP mounts and restrained at the top by an <br />FRP bracket to allow the ladder to float freely to <br />compensate for tank expansion or contraction. <br />(Manways and ladders are sold separately.) <br />® Helical Heating Coils (optional) <br />For highly viscous products such as #6 heating oil, <br />helical heating coils are available. Attached to a heavy <br />duty, epoxy painted, carbon steel 22" I.R. manway cover, <br />the 1'/d' schedule -40 carbon steel heating coil is installed <br />to leave 9" clearance from the bottom of the tank. <br />Suction and return couplings, not included with heating <br />coil, can be installed in the manway lid. Coil area for <br />heat calculations is 20.6 sq. ft. A heating coil can also be <br />centered on 30" and 36" manway covers. The heating <br />coil is shipped separately. For a detail drawing on the <br />heating coil, please contact your Xerxes representative. <br />Attached Collar Riser (optional) <br />System III ACR k <br />This fiberglass collar riser is intended for use with a 42" <br />or 48" diameter fiberglass collar (sold separately, see Q <br />below). Riser body is 42" or 48" I.D. with a flat top and a <br />22" or 32" diameter friction fit cover within top. This <br />riser is typically used to surround a manway or 3-4" <br />through wall service fittings. Bonding of riser to collar <br />to be done by contractor. <br />(� Collar <br />l! `J Manway or Fitting Collar <br />This fiberglass collar, without flange, can be used to <br />surround the fittings) or manwp I. Can be used with <br />collar riser as shown above in U. Diameter can be 42" <br />or 48" I.D. Strap locations may be affected. <br />42" I.D. <br />6" <br />48" I.D. <br />--H6" <br />1 <br />System III ACR -42 System III ACR -48 <br />A Stud Ring Assembly <br />The optional stud ring assembly (4 segments per ring) <br />can be used to attach a secondary containment system <br />to a manway flange. The longer bolts extend up <br />through the Xerxes manway flange, gasket and cover, <br />through any additional gasket(s) and through the <br />secondary containment system (up to 3/e' thick). (Factory <br />installed, if ordered with tank.) <br />10 <br />2" Compreeaible Foam <br />22" I.D. j <br />L 22' I.D. J — <br />+ Or <br />Or Riee( <br />32" I.D. <br />32" I.D. Body <br />Flieer Body <br />42' <br />42" <br />- 42" LD.� <br />� <br />48" LD. <br />Collar <br />- -- <br />- <br />(� Collar <br />l! `J Manway or Fitting Collar <br />This fiberglass collar, without flange, can be used to <br />surround the fittings) or manwp I. Can be used with <br />collar riser as shown above in U. Diameter can be 42" <br />or 48" I.D. Strap locations may be affected. <br />42" I.D. <br />6" <br />48" I.D. <br />--H6" <br />1 <br />System III ACR -42 System III ACR -48 <br />A Stud Ring Assembly <br />The optional stud ring assembly (4 segments per ring) <br />can be used to attach a secondary containment system <br />to a manway flange. The longer bolts extend up <br />through the Xerxes manway flange, gasket and cover, <br />through any additional gasket(s) and through the <br />secondary containment system (up to 3/e' thick). (Factory <br />installed, if ordered with tank.) <br />10 <br />