Sixteen gauge galvanized steel seismic hold-down brackets secure a rooftop unit to the supporting roof curb. Four number ten by one-half inch Tek screws attach the bracket to the curb, and four number ten by one-half inch Tek screws attach it to the unit. A minimum of two brackets are required per side with depths coordinated with the rooftop manufacturer.
6" GENERAL NOTES: 1. 16 GA GALVANIZED STEEL SEISMIC HOLD DOWN BRACKETS BY MICROMETL OR EQUAL. 2. COORDINATE EXACT DEPTH OF SEISMIC BRACKET WITH ROOFTOP MANUFACTURER. 3. PROVIDE A MINIMUM OF 2 BRACKETS PER SIDE. 4. COORDINATE WITH SPECIFICATIONS SECTION 15074 VIBRATION AND SEISMIC CONTROLS. ATTACH TO CURB (4)#10x1/2* Tek screws ROOF CURB ATTACH TO UNIT (4)#10x1/2* Tek screws
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