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Established 1998 · Denver, CO

Our Process

Seven phases. Zero ambiguity.

We have refined this delivery model across $1.4B of completed commercial work. Every phase has defined deliverables, clear owner responsibilities, and a written handoff before we move forward. Below is exactly how a project moves from first conversation to warranty close.

Why preconstruction matters

Most cost overruns are designed in, not built in.

Research consistently shows that 70–80% of construction cost is locked in by the end of schematic design. Ironline embeds our preconstruction team from program through GMP, running parallel estimating at every design milestone. By the time you sign a GMP, every dollar is accounted for with real subcontractor market data, not assumptions.

$4M+

Average scope gap identified per $50M project in preconstruction

18%

Faster schedule delivery on design-build vs. negotiated bid

94%

Projects delivered on-time or early across 312 completions

01

Phase 01

Concept & Feasibility

1 to 3 weeks

Before any contract is signed, Ironline invests in understanding your project. We walk the site, review the program and any existing studies, and develop an honest preliminary budget range and schedule framework. This costs you nothing and creates no obligation.

Client owns

  • Project program and space requirements
  • Site control or lease agreements
  • Design team selection (or we can recommend)
  • Business case for the project

Ironline owns

  • Preliminary budget range with assumptions documented
  • Preliminary schedule framework
  • Site logistics assessment
  • Recommendation on delivery method

Communication cadence

One deliverable meeting at end of phase. Written summary provided.

Scheduling & tooling

Procore Budget modulePrimavera P6 scheduleUniformat II cost database
02

Phase 02

Preconstruction

4 to 16 weeks depending on project size

This is where Ironline earns its keep. Our preconstruction team embeds with your design professionals, running parallel estimating and constructability reviews at each design milestone. We identify issues when they cost nothing to fix, not after concrete is poured.

Client owns

  • Design decisions and program changes
  • Value engineering accept/reject decisions
  • Long-lead equipment selections
  • Budget approval at each milestone

Ironline owns

  • Milestone cost estimates with backup
  • Constructability review reports
  • Value engineering log
  • Subcontractor pre-qualification and outreach
  • Long-lead procurement strategy
  • Master project schedule
  • GMP development and delivery

Communication cadence

Bi-weekly preconstruction meetings. Written milestone estimate at each design phase. GMP presentation with full backup.

Change order policy

During preconstruction, design changes are tracked and priced within 5 business days of request. No cost surprises at GMP.

Scheduling & tooling

Procore EstimatingPrimavera P6Sage 300 cost databaseBluebeam Revu for drawing reviews
03

Phase 03

GMP Execution

1 to 2 weeks

The GMP is a contractual ceiling on your total construction cost. Ironline's GMP books are detailed enough that you can see exactly where every dollar is allocated, which items are in allowances, and what contingency covers. We walk through the book page by page before you sign.

Client owns

  • GMP approval and contract execution
  • Owner-direct vendor contracts (AV, furniture, signage)
  • Permit application signatures where required by jurisdiction

Ironline owns

  • Complete GMP book with subcontractor bid tabs
  • Allowance and contingency schedules
  • Long-lead purchase orders
  • Mobilization plan
  • Site logistics drawing

Communication cadence

Single GMP presentation meeting. Two-day review period standard. Execution and mobilization begin concurrently.

Scheduling & tooling

Procore Contract moduleDocuSign for execution
04

Phase 04

Mobilization

2 to 6 weeks

Mobilization is not just setting up a trailer. Ironline's mobilization phase includes complete site safety planning, subcontractor kickoff meetings, temporary power and water coordination, and establishing the Procore project environment that your team will use to access RFIs, submittals, and reports throughout construction.

Client owns

  • Site access and survey markers
  • Utility account setup for temporary construction power
  • Owner-furnished materials staging coordination

Ironline owns

  • Site-specific safety plan
  • Subcontractor kickoff and OSHA-30 gateway confirmation
  • Procore project environment setup (owner access provisioned)
  • Temporary facilities installation
  • Initial submittal log with required dates
  • First two-week look-ahead schedule

Communication cadence

Kickoff OAC meeting. Weekly thereafter.

Scheduling & tooling

Procore (full suite)Bluebeam Studio for design reviews
05

Phase 05

Construction

Project-specific per master schedule

During construction, Ironline operates on a simple principle: you should never be surprised. The weekly OAC meeting covers schedule progress, open RFIs, pending submittals, cost-to-complete status, and any issues requiring owner decision. The Friday cost report means your budget is never a mystery.

Client owns

  • Timely decisions on open RFIs and submittals (5-day standard response)
  • Approval of changes before work proceeds
  • Owner-direct vendor coordination and delivery dates
  • Progress payment authorization within 10 days of application

Ironline owns

  • Daily field supervision and quality control
  • Weekly OAC meeting facilitation and written minutes
  • Two-week look-ahead schedule, updated every Monday
  • Friday cost-to-complete report
  • RFI log management (target 5-day resolution)
  • Submittal log management
  • Subcontractor payment management
  • Monthly schedule update in P6
  • Change order pricing within 10 business days of event

Communication cadence

Weekly OAC meeting. Daily field reports in Procore. Friday cost-to-complete email. Monthly executive summary.

Change order policy

No work proceeds without an approved change order or written authorization. All changes priced within 10 business days of event identification. Owner has 5 business days to approve or request clarification. No oral change orders.

Scheduling & tooling

Procore (RFIs, submittals, daily reports, cost)Primavera P6 (master schedule)BIM 360 where model-based coordination is required
06

Phase 06

Commissioning & Closeout

4 to 8 weeks

Commissioning is not an afterthought at Ironline. We engage a third-party Cx agent on all projects over $15M and on any project with complex MEP systems. Systems are tested, balanced, and documented before punchlist, so you do not spend your first winter in a building chasing HVAC issues.

Client owns

  • Occupancy decision and move-in coordination
  • Owner-furnished equipment installation coordination
  • Final payment authorization

Ironline owns

  • Third-party commissioning coordination
  • Systems testing and balancing documentation
  • Punchlist generation and completion (14-day target)
  • Certificate of Occupancy acquisition
  • Digital O&M manual delivery (indexed by system, searchable)
  • Record drawing delivery
  • LEED documentation submission (where applicable)
  • Training coordination for building systems operators

Communication cadence

Weekly closeout meetings. Punchlist completion updates every 3 business days. Final delivery meeting.

Scheduling & tooling

Procore Closeout moduleBluebeam for punchlistCommissioning agent software
07

Phase 07

Warranty & Post-Occupancy

12 months post-substantial completion

Ironline's warranty is not a piece of paper. Twelve months after substantial completion, we schedule a formal warranty walkthrough and address any items that have emerged. Your project superintendent stays on as the warranty contact, so you reach someone who knows the building.

Client owns

  • Warranty request submission (email or Procore)
  • Access for warranty repairs
  • Participation in 12-month walkthrough

Ironline owns

  • Response to warranty requests within 48 hours
  • Emergency response within 4 hours for life-safety issues
  • 12-month formal warranty walkthrough
  • Coordination of manufacturer warranties (equipment, roofing, glazing)
  • Documentation of all warranty work performed

Communication cadence

48-hour response commitment. 12-month walkthrough scheduled at substantial completion.

Scheduling & tooling

Procore (warranty request tracking)Direct superintendent contact

Change order policy — the short version

No oral changes. No surprise invoices.

Every change to scope, schedule, or cost is documented in writing before work proceeds. Period. Our contracts define response times for both parties: Ironline prices a change within 10 business days of the event. The owner approves or rejects within 5 business days. No ambiguity, no retroactive billing, no disputes at closeout.

10 biz days

Ironline prices change within

5 biz days

Owner approves or rejects within

Never

Work proceeds without approval?

Never

Oral change orders accepted?

Technology stack

What we use to run your project

Primavera P6

Master project schedule

Critical path method scheduling maintained by a dedicated scheduler. Monthly baseline comparison. Owner receives full P6 export or Microsoft Project file on request.

Procore

Project management platform

Owners receive full Procore access: RFIs, submittals, daily reports, cost-to-complete, change orders, and closeout documents. Single source of truth for the entire project team.

Bluebeam Revu

Drawing review & coordination

All constructability reviews and submittal markups are completed in Bluebeam Studio so comments are traceable, time-stamped, and searchable throughout the project.

Sage 300 CRE

Cost accounting

Project cost accounting and subcontractor payment processing. The Friday cost-to-complete report pulls live from Sage and is formatted for owner review—no manual spreadsheets.

Autodesk BIM 360

BIM coordination

Used on all projects over $15M or with complex MEP systems. Model-based clash detection during preconstruction eliminates the most expensive field conflicts before they happen.

DocuSign

Contract execution

GMP books, change orders, and substantial completion certificates are executed electronically with full audit trail. No faxing, no courier delays.

Ready to start the process?

Phase 01 costs nothing and commits you to nothing. Send us the basics and our preconstruction manager will respond within one business day.

Request a bid
Ironline Construction Group

A Mountain West general contractor delivering office, healthcare, industrial, and adaptive reuse projects since 1998.

Office

1450 Quincy Industrial Pkwy
Denver, CO 80216

(720) 555-0148
build@ironlinecg.com

Hours

  • Mon to Fri7:00a to 6:00p
  • SatBy appointment
  • SunClosed

© 2026 Ironline Construction Group. CO GC Lic #B-0044129. Bonded & insured.

Demo site by Rullo Dynamics. Company and projects are fictional.