Actors overview

The focus is on people who process information and make decisions, while still naming the hands-on field roles. Actors shared across new construction and renovation carry “Delivery-model nuance” blocks that describe how their role shifts in each context.

Shared actors

Actor	Kind	Tag
Owner and sponsor	Who sets goals and approves the big moves	scope, budget, approvals, risk appetite
Architecture firms and consultants	Who turns intent into buildable information	design intent, drawings, specs, clarifications
Builder and general contractor	Who assembles the execution machine	estimate, buyout, schedule, field control
Subcontractors and trade contractors	Who supply specialized knowledge and labor	specialized scope, crews, field execution
Vendors suppliers and distributors	Who translate selections into products at the right time	quotes, lead times, deliveries, product data
City county and state authorities (AHJ)	Who make the build legal	code adoption, review, permits, inspections

Renovation-specific actors

Actor	Kind	Tag
Home inspector	Who diagnoses the building before work begins	pre-renovation assessment, risk identification, existing conditions
Environmental consultant and abatement contractor	Who identifies and removes hazardous materials	lead, asbestos, mold, abatement, RRP, NESHAP

Related notes

• Ecosystem map
• Process overview
• Information flows
• Glossary index