HVAC & MEP industry questions, pay, benefits and experience · ZIWM

Public HVAC & MEP industry questions, pay and benefits, career topics, and experience posts.

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  1. MEP sleeve layout before concrete pour checklist

    construction-hvac-mep

    MEP sleeves before a concrete pour are not a detail I like leaving to memory. Once the concrete is placed, every missed sleeve becomes core drilling, layout arguments, dust, noise, and a schedule hit that nobody budgete…

    2026-06-05T17:24:45.307Z

  2. MEP coordination drawings: who catches clashes before rough-in?

    construction-hvac-mep

    On tight jobs, the clash is never just one trade. Duct wants the same ceiling space as sprinkler, plumbing needs slope, electrical has panels and runs, then the ceiling height is already tight before anyone starts rough…

    2026-06-04T21:26:52.992Z