Added Jun 18, 2026Completed May 23, 2023
Company
Gulf Turbine Services
Client
Calpine
Source
MANUAL
Contract Type
LUMP SUM
Market Segment
SHOP_OVERHAUL
Public/Private
PRIVATE
Project Manager
Dana Wright
Estimator
Phil Carter
Superintendent
Eddie Rangel
Location
Houston, TX
Margin Analysis
Original Margin
18.0%
$378,000
Revised Margin
18.9%
$408,000
Final Margin
20.9%
$451,800
Margin Gain (Bid)
+2.9%
CO Impact
$30,000
Margin Gain (Revised)
+2.0%
Where They Land
Final Margin+20.9%
Break Even
-0.9%+24.4%
Gain / Fade+2.0%
As Predicted
-7.9%+2.0%
This project
Other projects
Zero reference
Revenue & Cost Summary
| Stage | Revenue | Cost | Profit | Margin |
|---|---|---|---|---|
| Original | $2,100,000 | $1,722,000 | $378,000 | 18.0% |
| Revised | $2,160,000 | $1,752,000 | $408,000 | 18.9% |
| Final | $2,160,000 | $1,708,200 | $451,800 | 20.9% |
Cost Category Variance
| Category | Original | Revised | Final | Variance $ | Over/Under % |
|---|---|---|---|---|---|
| Labor | $578,722 | $586,327 | $580,464 | $-5,863 | -1.0% |
| Material | $529,234 | $475,536 | $451,759 | $-23,777 | -5.0% |
| Subcontractor | $484,412 | $426,675 | $423,496 | $-3,179 | -0.7% |
| Equipment | $171,549 | $129,834 | $129,055 | $-779 | -0.6% |
| Other | $51,660 | $133,628 | $123,426 | $-10,202 | -7.6% |
Labor Productivity
Original Rate
$63/hr
Revised Rate
$58/hr
Final Rate
$62/hr
Hours Variance
176
Rate Variance $
$-9,346
Volume Variance $
$11,088
Lessons Learned
Shop work is where our margin lives. Predictable, our bench, our process. Coating vendor came in under quote.