| Owner → architect | Program, budget, priorities, site goals, approvals | Meetings, email, drawings, annotated PDFs, contracts |
| Architect → owner | Concepts, DD package, construction documents, bid guidance, payment review, closeout support | Drawings/specs, PDFs, email, meetings |
| Architect → AHJ | Plan set, calculations, reports, application materials, correction responses | Permit portal uploads, PDFs, forms, sometimes hard copy |
| AHJ → architect / builder | Correction comments, conditions, fees, issuance, inspection requirements | Portal notices, email, approval letters, online records |
| Builder → trades | Bid packages, scope sheets, schedule windows, site rules, inspection timing | Email, estimating systems, subcontracts, site meetings, text/phone |
| Trades → builder | Quotes, exclusions, crew plans, field questions, change requests, completion notices | Quotes, markup PDFs, phone/text, email, site logs |
| Builder ↔ vendor | POs, submittal-like product data, lead times, release schedules, deliveries, warranty data | ERP / purchasing systems, email, PDFs, dispatch calls |
| Builder ↔ owner | Status, cost impacts, change orders, payment package, punch list, warranty information | Meetings, email, portal / CRM, pay forms |
| Builder / licensed contractor ↔ inspector | Inspection requests, permit number, approved-plan reference, site readiness, correction closure | Web portals, online scheduling, phone, text, in-person field inspection |
| Project records at closeout | Substantial/final completion record, punch completion, waivers/releases, warranty items | Forms, PDFs, digital binders, final signoffs |