How Do You Run an OAC Meeting?

By Wyatt Cooper · Published · 8 min read

Key takeaways

  • An OAC meeting is the regular owner-architect-contractor meeting where the job's open decisions, questions and dates are reviewed and each one gets an owner and a deadline.
  • Each party brings something different: the GC brings the look-ahead and the logs, the architect brings answers and site findings, and the owner brings decisions.
  • Run the agenda in the same order every week: old business first, then schedule, RFIs, submittals, changes, safety and new business.
  • Every item ends with a name and a date, and anything still open carries to the next meeting with its original number.

To run an OAC meeting, hold it on a fixed day each week or two, send the agenda and the current RFI, submittal and change order logs a day ahead, and walk the same order every time: old business, the look-ahead schedule, open RFIs and submittals, pending changes, safety, then new business. Give every item one responsible person and a date, write the minutes the same day, and carry every open item to the next meeting.

What an OAC meeting is for

OAC stands for owner, architect, contractor: the three parties to the job's prime contracts. The meeting is where they settle the questions that hold up the work. It is not a progress lecture. If an item doesn't need a decision, an answer or a date from someone in the room, it belongs in the weekly owner update instead.

Public owners write the same purpose into their manuals. The City of Los Angeles Bureau of Engineering's meetings procedure says weekly progress meetings are held to discuss "general project status, specific problems related to construction, and outstanding items to be resolved", and for old and new business the construction manager should "establish the responsible party and a time limit for each outstanding item". Connecticut's construction administration manual calls for progress meetings weekly and says each one "should have a specific purpose with clearly defined and realistic goals".

Who chairs it depends on the contract. On a design-bid-build job the GC usually runs it; on agency work the owner's construction manager often does. The method below is written for the GC; where the meeting sits in the job as a whole is in the general contractor's guide and the project lifecycle.

Who attends and what each one brings

The meeting goes fast when everyone arrives with their part already done. Send this list with the first invitation, so nobody brings a surprise.

Who comes to the OAC meeting and what they bring
PartyWho comesWhat they bring
General contractorProject manager (chairs), superintendentThe agenda, the three-week look-ahead, the RFI, submittal and change order logs, last meeting's open items
ArchitectProject architect or CA lead; engineers when their items are upAnswers to RFIs due this week, submittal review status, findings from the last site visit
OwnerOwner's representative with authority to decideDecisions on pending changes and owner-furnished items, dates for owner work (IT, furniture, move-in)
Major subsOnly when an item needs them, for that itemTheir status on the item and the date they can commit to

Keep the trades out unless an item needs them. Their coordination belongs in a separate subcontractor meeting, where the superintendent can go through the look-ahead activity by activity.

A worked agenda: OAC meeting #14

Here is the agenda for a weekly OAC meeting on a made-up job, the Alder Street Medical Office, with the slab on grade done and framing under way. Every item has a number that stays with it until it closes: 14.1 is new this week, while 11.3 was first raised at meeting 11.

OAC Meeting #14 — Alder Street Medical Office — Tuesday, April 7, 10:00 AM, site trailer

1. Review of the last minutes
Corrections to the minutes of meeting #13, then accept them
2. Old business
11.3 Owner to confirm the IT room equipment list (owner, due April 3, overdue); 13.2 Architect to issue the revised door hardware schedule (architect, due April 10)
3. Schedule
Three-week look-ahead: framing level 2 through April 17, roof deck April 20. Critical path runs through roof dry-in
4. RFIs
Open: 6. Overdue: RFI 019, roof drain sizing, 4 days past due with the MEP engineer
5. Submittals
Open: 9. Holding the schedule: storefront shop drawings, needed back by April 14 for a 6-week lead time
6. Changes
PCO 007, added floor drains in room 108, $4,860: owner decision needed by April 10
7. Safety and site
Crane pick for roof units on April 21: street closure permit requested
8. New business
Owner asks about adding card readers at two doors: GC to price
9. Next meeting
Tuesday, April 14, 10:00 AM, site trailer
An OAC agenda on a fictional job. Every name, number and date is made up.

Notice what the agenda already does. Each item names who owes what. The overdue items sit at the top of their sections. The one decision the owner must make this week has a dollar amount and a date. Nobody has to ask what the meeting is for.

Running the room

  1. Start on time and accept last week's minutes first. The Los Angeles minutes procedure has the previous minutes amended as needed and approved at the following meeting.
  2. Take old business before anything new. An open item that slides off the agenda is how a two-week question becomes a two-month delay.
  3. Walk the look-ahead, not the whole schedule. Spend the time on activities in the next three weeks that wait on someone in the room. The federal scheduling spec, UFGS 01 32 01.00 10, has the weekly meeting review actual progress against planned progress and the upcoming work through a three-week look-ahead.
  4. Go through the RFI and submittal logs oldest first, and only the items that are overdue or holding work.
  5. Ask for decisions by name: "Can the owner approve PCO 007 by Friday?" A meeting that ends with "we'll look at it" ends with nothing.
  6. Close each item with one person and one date, said out loud, so it goes into the minutes the way everyone heard it.
  7. Set the next meeting before people stand up.
  1. 1GC project managerSends the agenda and current logs a day ahead
  2. 2Owner, architect, GCMeet: old business, schedule, RFIs, submittals, changes, new business
  3. 3GC project managerWrites the minutes with every action item, owner and date
  4. 4Everyone who attendedSends corrections before the next meeting
  5. 5GC project managerCarries every open item to the next agenda with its number
One OAC meeting cycle, from agenda to the next meeting

Common mistakes

  • Reading the schedule aloud. Send it ahead and spend the meeting on what needs a decision.
  • Action items with no name or no date. "Team to review" means nobody does.
  • Renumbering open items each week. Keep the number from the meeting it started in, so anyone can see how long it has been open.
  • Letting minutes wait a week. Write them the same day, while the room still agrees on what was said; how to write construction meeting minutes has a filled-in example.
  • Deciding a change in the meeting and never writing it up. A decision on cost or time still needs a change order.

How it works in Conflo

In Conflo's meetings tool, OAC meetings form a numbered series: OAC Meeting #1, #2, #3. You set the date, time and place, invite people from the project team and write the agenda. During the meeting you mark who was present, write the minutes and add action items, each with an assignee and a due date. Assignees can mark their own items complete.

When you schedule the next meeting, Conflo can create it with the same people, place, time and agenda one week later, and every open action item moves to it marked with the meeting it came from. The earlier minutes still show the item as carried. The agenda and the minutes each download as a PDF.

The bottom line

A good OAC meeting is short because the work is done beforehand: the agenda and logs go out a day ahead, old business comes first, and every item leaves the room with a name and a date. Open items carry forward with their numbers until they close.

If your action items live in last week's minutes and nobody reads them, keep them on a series that carries them forward for you.

See how meetings work in Conflo

Sources

  1. Project Delivery Manual, 16.6 Meetings — City of Los Angeles, Bureau of Engineering. Read October 22, 2026.
  2. Project Delivery Manual, 16.7 Meeting Minutes — City of Los Angeles, Bureau of Engineering. Read October 22, 2026.
  3. 0600 Construction Administration Procedures Manual, §2.4.5 Project Meetings — State of Connecticut Department of Administrative Services. Read October 22, 2026.
  4. UFGS 01 32 01.00 10, Project Schedule (August 2026), §3.7 Weekly Progress Meetings — U.S. Army Corps of Engineers (Whole Building Design Guide). Read October 22, 2026.

Questions

What does OAC stand for in construction?

Owner, architect, contractor. An OAC meeting is the regular meeting of those three parties, usually weekly or every other week during construction, to settle open questions, decisions and dates on the job.

Who runs the OAC meeting?

Usually the general contractor's project manager, who writes the agenda and the minutes. On some public and CM-led jobs the owner's construction manager runs it instead. Your contract or the Division 01 specifications may say who.

How often should OAC meetings be held?

Weekly is common during active construction, and every two weeks on smaller or slower jobs. Connecticut's state manual calls for weekly progress meetings unless its project manager sets otherwise. Pick one day and keep it.

What should be on an OAC meeting agenda?

Review of the last minutes, old business, the look-ahead schedule, open RFIs and submittals, pending changes and owner decisions, safety and site logistics, new business, and the next meeting date. Keep the same order every week.

Do subcontractors attend OAC meetings?

Only for items that need them. Their week-to-week coordination belongs in a separate subcontractor meeting run by the superintendent, which keeps the OAC meeting on decisions for the owner and architect.