Medical Office Buildout

submittal review • J. Dickson, PE • 2026-06-09

Revise and Resubmit

Corrections required — resubmit

Submittal 23 07 00-001 for HVAC ductwork insulation proposes ThermaSeal TS-200 (R-6.0). Spec section 23 07 00 para 2.3 requires R-8.0 minimum on concealed supply ductwork. The submittal does not meet the specified R-value and omits the fire-stopping detail at rated-wall penetrations.

Requirements

Conflicts

Action Items

Compliance

60%

3/5 checks

Compliance Checklist

✓ASTM E84 flame/smoke ratings provided — compliant

✗R-value meets spec minimum — FAILS (R-6.0 vs R-8.0)

✗Fire-stopping detail at penetrations — missing

✓Manufacturer product data included — compliant

✓Installer qualifications listed — compliant

Potential Conflicts

CRITICAL

Proposed R-6.0 is below the specified R-8.0 minimum — non-compliant

REVIEW

No fire-stopping detail provided for duct penetrations at rated walls

REVIEW

Product data does not confirm FSK facing on all runs

Key Requirements

R-8.0 minimum on concealed supply ductwork (23 07 00 §2.3)
Flame spread ≤25 / smoke developed ≤50 per ASTM E84
Fire-stopping detail at rated-wall duct penetrations
FSK facing on all concealed runs

Action Items

Urgency	Action Item	Owner
High	Resubmit with R-8.0 product meeting §2.3	ACME Mechanical
High	Provide UL fire-stopping detail for rated-wall penetrations	ACME Mechanical
Medium	Confirm FSK facing on concealed runs	ACME Mechanical

Cross-Reference Diagram

Reviewer Notes

Disposition: Revise and Resubmit. The R-value deficiency is the controlling issue; resubmit with a compliant R-8.0 product and include the fire-stopping detail before fabrication.