v2.63 · 2026-06-12 13:02 PT · BP12 — BP additive scope lands in the estimate (stairs container, walls, doors schedule, finishes + BP scope rules)
Sign in
A.R.T. Estimating System
Incorrect username or password
iBUILD
Design & Construction
Estimating
v Apr 17 · 2:00am
iBuild Estimating
What would you like to do?
New job
Upload drawings and start a fresh estimate
Saved jobs
No saved jobs yet.
Step 1 — Upload documents
Upload job documents
Drag in drawings, specs, images, or spreadsheets. Claude reads each file as you add it and shows you what it found.
Drop files here
PDF drawings, specs · JPG/PNG plans · Excel spreadsheets
To re-read a file, remove it and re-upload.
Step 2 — Scope review
Questions for clarity
After reviewing your drawings, these questions will help refine the estimate. Scope summary is below.
📋 Scope Assumptions
Based on the drawings, these items appear to be excluded or not applicable. Check any that are actually in scope:
Drawing-reader review checklist
The blueprint reader flagged these for human review. Out-of-scope rows left unanswered stay IN scope — omission is never the default.
Scope summary
Reading documents...
Section 1 of 5
Job basics
Foreman only
Super only
Super + Foreman
Weeks on site
None0% — no PM cost
Low~3% of hrs
Medium~6% of hrs
High~10% of hrs
For each role used on this job, mark whether it's filled by an owner (Chris or Stepan). Owner-filled roles are workers'-comp-exempt and burden at 8.69% Owner tier instead of their default tier. Default is Non-owner for everyone. Only affects internal cost when the payroll-burden toggle is ON; never changes the customer bill.
1 of 5
Section 2 of 5
Scope & site
Light (1.0×)
Moderate (1.25×)
Heavy (1.5×)
ft L
ft W
in deep
Plywood
Concrete
Other
No millwork
Owner-furnished, iBuild installs
iBuild furnish + install
None
Tight access
Noise / dust restrictions
After-hours only
2 of 5
Section 3 of 5
Trades & subs
Select allNone
Select allNone
Equipment installation — select who installs each item. AI estimates labor for self-perform; enter quote if sub has bid.
Shelving
Not in scope
Owner furnishes, GC installs
GC furnishes + installs
Sub installs
Checkstands
Not in scope
Owner furnishes, GC installs
GC furnishes + installs
Sub installs
Food service equipment
Not in scope
Owner furnishes, GC installs
Sub installs
3 of 5
Section 4 of 5
Debris & permits
iBuild self-hauls
Dumpster on site
Sub handles
Annual (~$1,300)
Weekly ($350)
Not needed
GC pulls & pays
Customer pays / through architect
Permit already pulled
Required when workers travel and need lodging/meals. Billed at $21.25/hr pass-through.
Yes
No
Food & housing details
4 of 5
Section 5 of 5
Review & build
Working...
C Calibrated — formula-based, multi-job validatedE Estimated — formula-based, limited validationQ Quote — sub or vendor quote in hand, fixed
Cost code / trade
Description
GC cost
GC billable
O&P (10%)
Total bid
Cost code / trade
Description
Hours
GC cost
Billable cost
Profit $
Profit %
Version history — every estimate run is saved automatically
AI Assumptions
How Claude estimated each line — hours, rates, and reasoning
Assumptions for Chris
Lines where AI made an assumption [LLM-ASSUMED] or used a rate needing Chris verification [CHRIS-CONFIRM]
Tag
Line / CSI
Assumption
Cost code / trade
Description
GC cost
GC billable
How AI estimated this
Cold Review
Reviewed by Agent 2 — independent pass, no interview conversation history
Agent 2 critique running…
Confidence aggregations — three methods (decision deferred per V2_ARCH §7)
Supplemental questions
Per-line review (sorted L → M → H — concerns first)
Line
CSI
Description
GC cost
Original
Reviewer
Reviewer notes
Supplemental Questions — Agent 2
Agent 2 flagged the following questions during the cold review. Answer what you can — these answers feed into the Stage 5 Agent 1 rebuild pass.
Rebuilt Estimate — Stage 5 Final
Agent 1 rebuilt flagged lines using your supplemental answers. Cascade-flagged lines below need your judgment. Agent 2 has done a final cold pass — three aggregation methods displayed.
Agent 1 surgically rebuilding flagged lines…
Rebuilt lines — sorted by absolute Δ$ descending
Cascade flags — Agent 1 thinks these lines may need attention based on your answers
Final confidence — Agent 2's pass over the rebuilt estimate
Comparison — original vs rebuilt
Saved scope answers
Your answers from the last scope review. Copy them for reference before continuing.
Name this job
Give the job a name. Files will be saved under this name so you can reload them anytime.