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The Closeout Desk Blog

Practical guides and templates for commercial construction closeout documentation, retainage release, and MEP closeout requirements, written for GC PMs and subcontractors.

9 posts
Guide 10 min read

What Is an O&M Manual? The Most Required Closeout Document in Commercial Construction

Operation and maintenance manuals are required for virtually every piece of installed equipment on a commercial project, yet they are one of the most common sources of closeout rejection letters. Here is what a complete O&M submission looks like and why so many fail review.

Mark Sullivan
Mark Sullivan
June 11, 2026
Guide 10 min read

AIA G706, G706A, G707, and G707A: What They Are and What You Need Before They Get Executed

If you are searching for a specific AIA form number, you are in the final payment phase and something is holding things up. Here is what each form does, who executes it, and what documentation needs to be in place before any of it moves.

Mark Sullivan
Mark Sullivan
May 15, 2026
Guide 7 min read

Punch List vs. Closeout Documentation: What's the Difference and Why It Matters for Retainage

Clearing your punch list does not mean your closeout is done. Many subs lose weeks of retainage carrying time because they assume the two are the same thing. Here is the actual distinction and what it means for your final payment.

Mark Sullivan
Mark Sullivan
May 12, 2026
Guide 8 min read

What Is a TAB Report? What GC PMs Need to Know at Closeout

The TAB report is the single most commonly missing document in commercial HVAC closeout packages. Here is what it is, who produces it, what a complete one looks like, and how to get yours without chasing for weeks.

Mark Sullivan
Mark Sullivan
May 8, 2026
Comparison 9 min read

Closeout Documentation: DIY vs. Hiring a Service (Real Cost Breakdown)

Most GC PMs underestimate what DIY closeout documentation actually costs when you account for PM time, rejection risk, and retainage carrying cost. Here is the honest comparison.

Mark Sullivan
Mark Sullivan
April 24, 2026
Template 7 min read

Free HVAC Closeout Checklist: Every Document Required for Division 23

HVAC is the most document-heavy MEP division at closeout. This checklist covers every document required for Division 23, from the TAB report to refrigerant tracking, with a free XLSX template.

Mark Sullivan
Mark Sullivan
April 10, 2026
Guide 8 min read

What Is Substantial Completion? Retainage, G704, and What Happens Next

Substantial completion is the single most important project milestone for subcontractors trying to release retainage. Here is what it means, how the G704 certificate works, and the closeout documentation required to trigger it.

Mark Sullivan
Mark Sullivan
March 27, 2026
Template 6 min read

Free Warranty Transmittal Log Template for Commercial Construction

A warranty transmittal log tracks every warranty in your closeout package in one structured place. Here is what goes in it, what the most common mistakes are, and a free XLSX template you can use on your next project.

Mark Sullivan
Mark Sullivan
March 13, 2026
Guide 9 min read

Division 26 Electrical Closeout: Arc Flash Study, Panel Schedules, and NETA Testing

Division 26 electrical closeout has higher long-term consequences than any other MEP trade. Missing arc flash documentation creates an ongoing safety and liability exposure for the building owner. Here is what a complete package requires.

Mark Sullivan
Mark Sullivan
February 27, 2026

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