T4 — Human-essentialPhase 7 of 13

Radon Mitigation System

Mechanical Rough-In

Description

Install sub-slab depressurization system — perforated PVC below slab, sealed penetration through roof, and fan location for future activation. RI requires radon-resistant new construction per state building code. Passive system convertible to active.

Tools (ML1 Confirmed)

pvc cutter
drill
sealant gun
tape measure
hand tools

Atomic Primitives

cutjoinsealroute

1-2

Crew Size

4-6h

Estimated Hours

Phase

Robot Tier

Other Tasks in Phase 7: Mechanical Rough-In

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

Related Resources

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

radon mitigation systemsub-slab depressurizationradon pipe installationRI radon code

Ventilation System Rough-In

Rough Inspection Preparation