Added Jun 18, 2026Completed Jan 26, 2023
Company
Gulf Turbine Services
Client
Calpine
Source
MANUAL
Contract Type
LUMP SUM
Market Segment
IC_AND_E
Public/Private
PRIVATE
Project Manager
Dana Wright
Estimator
Susan Vance
Superintendent
Tariq Nolan
Location
Pasadena, TX
Margin Analysis
Original Margin
16.0%
$264,000
Revised Margin
16.0%
$284,000
Final Margin
15.2%
$269,140
Margin Fade (Bid)
-0.8%
CO Impact
$20,000
Margin Fade (Revised)
-0.8%
Where They Land
Final Margin+15.2%
Break Even
-0.9%+24.4%
Gain / Fade-0.8%
As Predicted
-7.9%+2.0%
This project
Other projects
Zero reference
Revenue & Cost Summary
| Stage | Revenue | Cost | Profit | Margin |
|---|---|---|---|---|
| Original | $1,650,000 | $1,386,000 | $264,000 | 16.0% |
| Revised | $1,770,000 | $1,486,000 | $284,000 | 16.0% |
| Final | $1,770,000 | $1,500,860 | $269,140 | 15.2% |
Cost Category Variance
| Category | Original | Revised | Final | Variance $ | Over/Under % |
|---|---|---|---|---|---|
| Labor | $455,593 | $570,456 | $581,865 | +$11,409 | +2.0% |
| Material | $384,553 | $378,045 | $370,484 | $-7,561 | -2.0% |
| Subcontractor | $351,184 | $436,963 | $443,420 | +$6,457 | +1.5% |
| Equipment | $120,825 | $130,347 | $131,911 | +$1,564 | +1.2% |
| Other | $73,845 | $44,580 | $40,122 | $-4,458 | -10.0% |
Labor Productivity
Original Rate
$59/hr
Revised Rate
$75/hr
Final Rate
$78/hr
Hours Variance
-262
Rate Variance $
$141,730
Volume Variance $
$-15,458
Lessons Learned
Controls retrofits are a good margin lane and pull through outage work. Tariq's commissioning checklist kept us out of rework.