---
title: HVAC Ductwork
…200 unchanged lines
label: Rectangular Duct Gauge Schedule
type: radio
+drawing_ref: true
options:
- "Per SMACNA Table 1-3 for pressure class declared — minimum thickness governs"
− - "Heavier gauge specified by Engineer — see drawings"
default: "Per SMACNA Table 1-3 for pressure class declared — minimum thickness governs"
```
…651 unchanged lines
type: radio
unit: in
+drawing_ref: true
options:
- "12 × 12 (ducts ≤ 24 in. smaller dimension)"
- "18 × 18 (ducts > 24 in. smaller dimension)"
− - "As shown on drawings (custom size for specific access requirement)"
default: "12 × 12 (ducts ≤ 24 in. smaller dimension)"
```
…379 unchanged lines
## The Contractor shall maintain access to all tested duct sections throughout the warranty period by keeping access doors clear of finishes, equipment, and storage.