Added Jun 18, 2026Completed Feb 25, 2022
Company
Gulf Turbine Services
Client
NRG Energy
Source
MANUAL
Contract Type
T AND M
Market Segment
GT_OUTAGE
Public/Private
PRIVATE
Project Manager
Ray Daniels
Estimator
Phil Carter
Superintendent
Joe Tibbetts
Location
Thompsons, TX
Margin Analysis
Original Margin
14.0%
$448,000
Revised Margin
13.8%
$498,000
Final Margin
8.2%
$295,720
Margin Fade (Bid)
-5.8%
CO Impact
$50,000
Margin Fade (Revised)
-5.6%
Where They Land
Final Margin+8.2%
Break Even
-0.9%+24.4%
Gain / Fade-5.6%
As Predicted
-7.9%+2.0%
This project
Other projects
Zero reference
Revenue & Cost Summary
| Stage | Revenue | Cost | Profit | Margin |
|---|---|---|---|---|
| Original | $3,200,000 | $2,752,000 | $448,000 | 14.0% |
| Revised | $3,610,000 | $3,112,000 | $498,000 | 13.8% |
| Final | $3,610,000 | $3,314,280 | $295,720 | 8.2% |
Cost Category Variance
| Category | Original | Revised | Final | Variance $ | Over/Under % |
|---|---|---|---|---|---|
| Labor | $1,050,556 | $1,218,552 | $1,364,778 | +$146,226 | +12.0% |
| Material | $774,771 | $963,198 | $996,910 | +$33,712 | +3.5% |
| Subcontractor | $661,857 | $840,670 | $839,675 | $-995 | -0.1% |
| Equipment | $252,808 | $265,722 | $284,854 | +$19,132 | +7.2% |
| Other | $82,560 | $93,360 | $84,024 | $-9,336 | -10.0% |
Labor Productivity
Original Rate
$60/hr
Revised Rate
$69/hr
Final Rate
$72/hr
Hours Variance
1,446
Rate Variance $
$227,461
Volume Variance $
$86,761
Lessons Learned
Borescope found more R1 bucket distress than the planning scope assumed. Added 4 days of disassembly labor. Pre-outage borescope access needs to be a hard gate before we bid the hours.