TinnerFlow™2nd YearVAVs & Fan CoilsRED · Stop / Verify
Build a heavy-duty four-point unistrut trapeze rack using 1/2-inch all-thread rods anchored into heavy concrete drop-ins or beam clamps. * Use double nuts (jam nuts) at every structural connection point to guarantee that vibration over time cannot loosen the hardware.
Build a heavy-duty four-point unistrut trapeze rack using 1/2-inch all-thread rods anchored into heavy concrete drop-ins or beam clamps. * Use double nuts (jam nuts) at every structural connection point to guarantee that vibration over time cannot loosen the hardware.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.