T4 — Human-essentialPhase 7 of 13

HVAC Rough-In

Mechanical Rough-In

Description

Install ductwork, refrigerant lines, and condensate drains per mechanical plan. Trunk-and-branch or high-velocity system layout. Duct sealing with mastic (not tape) at all joints. Manual J load calc drives equipment sizing.

Tools (ML1 Confirmed)

tin snips
crimper
mastic gun
drill
tape measure

Atomic Primitives

cutjoinsealroute

2-4

Crew Size

12-20h

Estimated Hours

Phase

Robot Tier

Other Tasks in Phase 7: Mechanical Rough-In

Plumbing Rough-In Electrical Rough-In Gas Line Rough-In Fire Blocking & Draft Stopping Low-Voltage Wiring Ventilation System Rough-In Radon Mitigation System Rough Inspection Preparation

Related Resources

Full Ontology Overview The Process (mlsystemsri.com)Deconstruction (mlsystemsri.com)Data API

HVAC rough inductwork installationresidential HVAC ductmechanical rough in

Electrical Rough-In

Gas Line Rough-In