An eleven-gauge stainless steel bottom flashing is installed below a structural steel beam, with all splices and joints fully welded and ground flush to the north-south flashing. Sealant is applied between welds typically. One-inch board insulation is provided where applicable.
BRIDGE BOT E-W FLASHING, 11 GA, SST, FULLY WELD AND GRIND FLUSH ALL SPLICES AND JOINTS TO N-S FLASHING 1/8 2-8 1/8 2-8 SEALANT B/W WELDS TYP 1" BOARD INSUL WHERE APPLICABLE BEAM PER STRUC
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