A four-inch rainwater leader is secured against a concrete structure using a U-strap fastened with typical anchor bolts and a minimum one-inch spacer. The pipe is wrapped in insulation with an aluminum jacket and includes an electric heat trace along the bottom.
MIN 1" SPACER ANCHOR BOLT (TYP) CONCRETE STRUCTURE 4" RWL U-STRAP INSULATION WITH ALUMINUM JACKET ELECTRIC HEAT TRACE
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