North Sea Oil Platform Drill Tower Construction

Integrated EVM & Schedule Dependency Controls | Status Date: 2026-08-31

📄 1-Page Written Executive Project Status Report (Steering Committee Briefing)

Avg Monthly Cash Burn (M1-M8)
$2.93M / Mo
Baseline Plan: $2.56M/Month (+14.5% faster)
Remaining Baseline Capital ($BAC - AC)
$3.06M Remaining
$23.44M spent of $26.50M budget
Exact Budget Burn Out Month
Month 9 (Sep 2026)
100% of $BAC budget ceiling exhausted
Required Overrun Financing ($EAC - BAC)
+$8,913,604
Needs approval before Sep 15, 2026
🪜 Cost Variance Waterfall Bridge ($BAC → EAC Outturn Breakdown)
Original Budget: $26.50M BAC Total Overrun: +$8.91M VAC Outturn EAC: $35.41M
$0M $10M $20M $30M $26.50M BAC Baseline +$0.30M 1.1 Eng +$0.60M 1.2 Proc +$0.20M 1.3.1 Verdal +$2.40M 1.3.2 Mast +$1.30M 1.4.1 Marine +$0.10M 1.4.2 Mating +$0.20M 1.5 Comm +$3.81M Delay Spread $35.41M Outturn EAC
Original Baseline Budget ($BAC)
Scope & Cost Overrun Steps
Primary Rework Driver (Egersund)
Time Delay Overhead Spread
Final Outturn Forecast ($EAC)
🍩 Executive Donut Charts — Progress, Overrun & Budget Allocation
Physical Progress ($EV / BAC$)
66.2%
Complete
Earned $17.54M
Remaining $8.96M
Cost Overrun Breakdown (+$8.91M)
+$8.91M
Overrun
Delay Overhead 42.8%
Egersund Mast 26.9%
Marine Standby 14.6%
Baseline Budget Allocation (BAC $26.50M)
$26.50M
BAC Budget
Fabrication 37.0%
Procurement 32.1%
Marine Ops 18.9%
Total Scope BAC
$26,500,000
Approved Baseline
Physical Progress
66.2%
Earned: $17,540,000
Critical Path Slippage
+31 Days
Heavy Lift Impact
Cost Index (CPI)
0.75 Severe Overrun
Spent: $23,440,000
Schedule Index (SPI)
0.86 Delayed
Planned: $20,500,000
Critical Ratio (CR)
0.64 Critical Risk
CPI (0.75) × SPI (0.86)
Performance Measurement Baseline (S-Curves) & Variance Analysis
Status Date
Aug 31, 2026 (M8)
Planned (PV)
$20,500,000
Earned (EV)
$17,540,000
Actual Spend (AC)
$23,440,000
Cost Var (CV = EV - AC)
-$5,900,000 (-33.6%)
Sched Var (SV = EV - PV)
-$2,960,000 (-14.4%)
$0 $8M $16M $26.5M M1 M2 M3 M4 M5 M6 M7 M8 (Status) M9 M10 M11 M12 Status Date (Aug 31) BAC: $26.50M AC: $23.44M PV: $20.50M EV: $17.54M CV = -$5.90M (-33.6%) SV = -$2.96M (-14.4%) SV(t) = -18 Days (ES 7.4M)
🚨 Executive Variance Explanations & Recommended Corrective Actions (Red Indicators Audit) Active Risk Response Required
Variance Indicator Status Metric Severity Threshold Root Cause Explanation Recommended Actionable Next Steps Accountable CAM
Cost Variance (CV) -$5,900,000 CPI = 0.75 (< 0.90) Structural steel fitting rework, unbudgeted welding labor hours, and premium overtime rates at Verdal and Egersund yards. Enforce Design Change Freeze on WBS 1.3 deliverables. Convert open T&M subcontracts to fixed unit-rate capped milestones. O. Eriksen
Outturn Deficit (VAC) -$8,913,604 EAC: $35.41M Linear extrapolation of poor historical cost performance ($CPI=0.75$) indicates $33.6\%$ overall budget overrun against $BAC$. Submit formal EAC re-baseline proposal to Executive Steering Committee. Request $3.5M drawdown from Management Reserve. Frank Ellingsen
TCPI Target Efficiency 6.07 (BAC) Unviable (> 1.10) Original $BAC$ budget target requires impossible cost efficiency of $607\%$ for remaining work. Formally transition operational target to $TCPI_{EAC} = 1.00$. Enforce weekly EVM gate reviews for CAMs with $TCPI > 1.05$. Frank Ellingsen
Critical Ratio (CR) 0.6402 CR < 0.90 Compound performance degradation ($0.75 \times 0.86 = 0.64$). Indicates simultaneous cost overrun and schedule delay across primary control accounts. Mandate joint Cost & Schedule Steering Committee intervention. Establish weekly EVM gate reviews for any CAM with $CR < 0.85$. Frank Ellingsen
Schedule Slippage (SV) -$2,960,000 +31 Days Delay Procurement delay on Tubular Steel (T103) cascaded to Verdal (T105) and Egersund (T106), threatening Heavy Lift window. Fast-track Egersund rigging with parallel work-fronts. Re-sequence pre-commissioning tasks. Negotiate 10-day vessel window extension. M. Berg / K. Solberg
WBS 1.3.2 Mast Assembly -$2,330,000 CPI = 0.57 Egersund rigging yard productivity bottleneck; high sub-tier contractor churn and excessive rework hours. Deploy resident Project Controller to Egersund full-time. Audit daily labor timecards and enforce weld quality gates. O. Eriksen
Executive Project Health & Milestone Summary
WBS Code Milestone / Task Deliverable Accountable CAM Budget (BAC) % Complete Baseline End Forecast End Critical Path Health RAG
1.1.1 Structural Steel Detail Engineering H. Lindqvist $1,200,000 100% 2026-02-28 2026-03-15 Yes Complete
1.2.1 High-Grade Tubular Steel Procurement M. Berg $3,500,000 100% 2026-04-30 2026-05-31 Yes +31D Delay
1.3.1 Yard Sub-Structure Fabrication (Verdal) O. Eriksen $4,000,000 90% 2026-07-31 2026-08-31 Yes +31D Delay
1.3.2 Derrick Tower Mast Assembly (Egersund) O. Eriksen $4,800,000 65% 2026-08-31 2026-09-30 Yes In Progress
Baseline BAC
$26,500,000
Approved Budget
Actual Cash Spent (AC)
$16,770,000
Ledger Expenditure
Outturn EAC (CPI-Based)
$27,585,000
Projected Outturn
Variance at Completion
-$1,085,000
Projected Deficit
Liquidity Needed to Finish
$10,815,000
Remaining ETC
CFO Outturn Forecast & Cost Variance Analysis
WBS Code Control Account BAC Budget Earned Value (EV) Actual Cost (AC) Cost Variance (CV) CPI EAC Forecast VAC Deficit
1.1.1 Structural Steel Detail Engineering $1,200,000 $1,200,000 $1,290,000 -$90,000 0.93 $1,290,000 -$90,000
1.2.1 High-Grade Tubular Steel Procurement $3,500,000 $3,500,000 $3,770,000 -$270,000 0.93 $3,770,000 -$270,000
1.3.1 Yard Sub-Structure Fabrication (Verdal) $4,000,000 $3,600,000 $4,450,000 -$850,000 0.81 $4,944,000 -$944,000
1.3.2 Derrick Tower Mast Assembly (Egersund) $4,800,000 $3,120,000 $5,450,000 -$2,330,000 0.57 $8,385,000 -$3,585,000
Cost Variance (CV)
-$660,000
EV - AC
Schedule Variance (SV)
-$1,190,000
EV - PV
Earned Schedule ($ES$)
7.40 Months
Actual: 8.0 Months
Time-Based Index $SPI(t)$
0.9250
Time Variance: -18 Days
TCPI (BAC Target)
1.07
Target Efficiency
Control Account Earned Value & Earned Schedule Deep-Dive
Task ID Task Name BAC ($) PV ($) EV ($) AC ($) CPI SPI TCPI Status
T101 Structural Steel Detail Engineering $1,200,000 $1,200,000 $1,200,000 $1,290,000 0.93 1.00 1.00 Closed
T103 High-Grade Tubular Steel Procurement $3,500,000 $3,500,000 $3,500,000 $3,770,000 0.93 1.00 1.00 Closed
T105 Yard Sub-Structure Fabrication (Verdal) $4,000,000 $4,000,000 $3,600,000 $4,450,000 0.81 0.90 1.25 Unviable TCPI
T106 Derrick Tower Mast Assembly (Egersund) $4,800,000 $4,800,000 $3,120,000 $5,450,000 0.57 0.65 1.45 Severe Overrun
Total Schedule Tasks
10 Tasks
100% Predecessors Mapped
Critical Path Tasks
8 Tasks
Zero Total Float
Cascading Delay Index
3 Predecessor Delays
Downstream Impact
Avg Task Delay
+26.5 Days
Vs. Baseline End
Heavy Lift Window
Sep 15 - Oct 15
Vessel Mobilization
Offshore EPC Gantt Schedule, Key Milestones (◆) & Predecessor Logic
Baseline Plan Earned Physical Progress Critical Path Progress ◆ Key Milestone Gate ➔ Critical Path Link Current Week (W36)
Jan
W1 Feb
W5 Mar
W9 Apr
W14 May
W18 Jun
W23 Jul
W27 Aug
W36 Sep
W40 Oct
W44 Nov
W48 Dec
W52
Current: W36
🚨 EPC Executive Risk Matrix & Quantitative Heatmap (5x5 Grid)
Critical (Score 15-25) High/Medium (Score 8-14) Low (Score 1-7)
Risk Probability vs Impact Matrix
P5
5
10
15
20
25
P4
4
8
12
R02
R01
P3
3
6
R04
R03
15
P2
2
4
R05
8
10
P1
1
2
3
4
5
I1
I2
I3
I4
I5
Active Risk Register & Mitigation Controls
Task ID WBS Task Deliverable / Milestone Name Predecessor Type Total Float % Complete Baseline Window Actual / Forecast Critical Gantt Timeline, Milestones (◆) & Arrows (W1 - W52)
T101 1.1.1 Structural Steel Detail Engineering - - 0 Days 100% Jan 05 - Feb 28 Jan 05 - Mar 15 Yes
100% ➔
M1 1.1.0 ◆ Milestone: Engineering AFC Gate Review T101 FS 0 Days 100% Feb 28 Mar 15 Achieved
◆ M1 (Mar 15)
T102 1.1.2 Piping & Drilling Package Design T101 FS +14 Days 100% Feb 01 - Mar 31 Feb 01 - Apr 15 No
100% ➔
T103 1.2.1 High-Grade Tubular Steel Procurement T101 (+5D) FS 0 Days 100% Mar 01 - Apr 30 Mar 15 - May 31 Yes
100% ➔
T104 1.2.2 Mud Pumps & Top Drive Equipment T102 FS +15 Days 85% Mar 15 - Jun 30 Apr 01 - Jul 31 No
85%
T105 1.3.1 Yard Sub-Structure Fabrication (Verdal) T103 FS 0 Days 90% May 01 - Jul 31 Jun 01 - Aug 31 Yes
90% ➔
M3 1.3.0 ◆ Milestone: Verdal Yard Sub-Structure Handover T105 FS 0 Days 90% Jul 31 Aug 31 Active
◆ M3 (Aug 31)
T106 1.3.2 Derrick Tower Mast Assembly (Egersund) T105 FS 0 Days (-30D) 65% Jun 01 - Aug 31 Jul 01 - Sep 30 Yes
65% ➔
M4 1.3.3 ◆ Milestone: Derrick Mast Ready for Heavy Lift T106 FS 0 Days 65% Aug 31 Sep 30 Critical
◆ M4 (Sep 30)
T107 1.4.1 Heavy Lift Vessel Mobilization (Heerema) T106 FS 0 Days 30% Aug 15 - Sep 15 Sep 15 - Oct 15 Yes
30% ➔
T108 1.4.2 Offshore Topside Lifting & Mating T107 FS 0 Days 0% Sep 15 - Oct 15 Oct 15 - Nov 15 Yes
0% ➔
M5 1.4.0 ◆ Milestone: Offshore Topside Mating Complete T108 FS 0 Days 0% Oct 15 Nov 15 Critical
◆ M5 (Nov 15)
T109 1.5.1 Structural Hook-up & NDT Inspection T108 FS 0 Days 0% Oct 15 - Nov 15 Nov 15 - Dec 15 Yes
0% ➔
T110 1.5.2 System Pre-Commissioning & Handover T109 FS 0 Days 0% Nov 15 - Dec 31 Dec 15 - Jan 31 Yes
0%
M6 1.5.0 ◆ Milestone: Final Commercial COD & Handover T110 FS 0 Days 0% Dec 31 Jan 31 Target
◆ M6 (Jan 31)
ID Risk Event Description WBS Owner Score Exposure Mitigation Strategy
R01 Egersund Mast Assembly Dimensional Out-of-Tolerance 1.3.2 O. Eriksen 20 $2,400,000 24/7 NDT welding specialists; fixed-fee labor cap.
R02 Heavy Lift Crane Vessel Weather Standby Rates 1.4.1 K. Solberg 16 $1,800,000 Flexible weather window with Heerema; monitor 7-day wave height (Hs < 2.5m).
R03 Subsea Tubular Steel Mill Delivery Lags 1.2.1 M. Berg 12 $1,200,000 Dual-source steel from European backup mills; hot-shot freight.
R04 Topside Lifting & Mating Mechanical Interference 1.4.2 T. Nygård 9 $600,000 Perform 3D laser scan trial fit prior to offshore mobilization.
R05 Structural Engineering AFC Interface Errors 1.1.1 H. Lindqvist 6 $300,000 Enforce 100% 3D CAD clash detection and third-party DNV class verification.
📐 Vertical Swimlane WBS Breakdown by Category & Discipline
Total WBS Budget: $26.50M BAC | Outturn Forecast: $35.41M EAC
1.1 Engineering $3.20M
1.1.1 Detail Engineering 100%
CAM: H. Lindqvist
BAC: $1.80M EAC: $2.10M
1.1.2 Piping & Package 100%
CAM: A. Holm
BAC: $1.40M EAC: $1.40M
1.2 Procurement $8.50M
1.2.1 Tubular Steel 100%
CAM: M. Berg
BAC: $5.00M EAC: $5.50M
1.2.2 Drilling Pumps 85%
CAM: J. Lie
BAC: $3.50M EAC: $3.60M
1.3 Yard Fabrication $9.80M
1.3.1 Verdal Sub-Struct 90%
CAM: S. Olsen
BAC: $5.00M EAC: $5.20M
1.3.2 Egersund Mast Rework 65%
CAM: O. Eriksen
BAC: $4.80M EAC: $7.20M
1.4 Offshore Installation $5.00M
1.4.1 Heavy Lift Vessel 30%
CAM: K. Solberg
BAC: $3.20M EAC: $4.50M
1.4.2 Topside Mating 0%
CAM: R. Hansen
BAC: $1.80M EAC: $1.90M
1.5 Commissioning $1.80M
1.5.1 Hook-up & NDT 0%
CAM: T. Nygård
BAC: $1.00M EAC: $1.10M
1.5.2 Pre-Commissioning 0%
CAM: P. Strand
BAC: $0.80M EAC: $0.90M
💥 Monthly Cash Burn Rate & Budget Depletion ("Burn Out") Forecast
Avg Monthly Burn: $2.93M/Mo | Budget Burn Out: Month 9 (Sep 2026)
Monthly Burn Speed ($PV, $EV, $AC) & Budget Exhaustion Point 💥 BAC $26.50M Depleted in Month 9
$26.50M BAC Ceiling
M1
M2
M3
M4
M5
M6
M7
M8
💥M9
M10
Monthly Planned ($PV) Monthly Earned ($EV) Monthly Actual ($AC) Overrun Burn Phase
Runway & Burn Statistics
Avg Monthly Cash Burn (M1-M8)
$2.93M / Month
Baseline Plan: $2.56M/Month (+14.5% faster)
Remaining Baseline Capital ($BAC - AC)
$3.06M Remaining
$23.44M spent of $26.50M budget
Exact Budget Burn Out Month
Month 9 (September 2026)
100% of $BAC budget ceiling exhausted
Required Overrun Financing ($EAC - BAC)
+$8,913,604
Needs approval before Sep 15, 2026
🪜 Cost Variance Waterfall Bridge ($BAC \rightarrow EAC$ Outturn Breakdown)
Original Budget: $26.50M BAC | Total Overrun: +$8.91M VAC | Outturn EAC: $35.41M
Step-by-Step Cost Variance Bridge per WBS Control Account
$26.50M
BAC Baseline
+$0.30M
WBS 1.1 Eng
+$0.60M
WBS 1.2 Proc
+$0.20M
WBS 1.3.1 Verdal
+$2.40M
WBS 1.3.2 Mast
+$1.30M
WBS 1.4.1 Marine
+$0.10M
WBS 1.4.2 Mating
+$0.20M
WBS 1.5 Comm
+$3.81M
Delay Spread
$35.41M
Outturn EAC
Original Baseline Budget ($BAC) Scope & Cost Overrun Steps Primary Rework Driver (Egersund) Time Delay Overhead Spread Final Outturn Forecast ($EAC)
🍩 Executive Donut Charts — Progress, Cost Overrun & Budget Allocation
Earned Progress: 66.2% EV | Overrun Driver: Time Delay (42.8%)
Physical Progress ($EV / BAC$)
66.2%
Complete
Earned: $17.54M Remaining: $8.96M
Cost Overrun Breakdown ($+$8.91M)
+$8.91M
Overrun
Delay Overhead (42.8%) Egersund Mast (26.9%) Marine Standby (14.6%)
Baseline Budget Allocation ($BAC $26.50M)
$26.50M
BAC Budget
Fab (37%) Proc (32.1%) Marine (18.9%) Eng (12.1%)
📄 1-Page Written Executive Project Status Report (Steering Committee Briefing)

OFFSHORE EPC PLATFORM DRILL TOWER CONSTRUCTION PROJECT

MONTHLY EXECUTIVE STEERING COMMITTEE STATUS BRIEFING
Status Date: August 31, 2026 (Month 8 / Week 36)
Prepared By: Frank Ellingsen, Lead Project Controller
Overall Project Health Status: 🚨 CRITICAL COST OVERRUN & SCHEDULE SLIPPAGE (RED)
Budget Burn Out: Month 9 (Sep 2026)

1. Key EVM Performance Metrics

Baseline Contract Budget ($BAC$) $26,500,000
Earned Work Complete ($EV / BAC$) 66.19% ($17.54M)
Planned Work Baseline ($PV / BAC$) 77.36% ($20.50M)
Cumulative Actual Costs ($AC$) $23,440,000
Cost Performance Index ($CPI$) 0.7483 ($0.75 / $1.00)
Earned Schedule Velocity ($SPI_t$) 0.9250 (-18.2 Days)

2. Outturn Predictions & P90 Risk

Scenario EAC Outturn Completion
Deterministic Base $35,413,604 Jan 31, 2027 (+31d)
Monte Carlo P50 $34,060,783 Feb 27, 2027 (+57d)
Monte Carlo P90 $35,815,202 Mar 14, 2027 (+72d)
* P90 Reserve Required: +$401,598 above base EAC.

3. Primary Variance Drivers

  • Egersund Yard Rework (WBS 1.3.2): Pipe tolerance mismatch requiring 24/7 NDT welding (+$2.40M / 26.9% of overrun).
  • Time Delay Overhead Spread ($SPI_t$): Extending execution past Dec 31, 2026 spreads PMO & site overhead (+$3.81M / 42.8% of overrun).
  • Heavy Lift Vessel Weather Standby (WBS 1.4.1): Autumn sea-state vessel standby (+$1.30M / 14.6% of overrun).

4. Required Steering Committee Actions

  1. Authorize Overrun Credit Line: Secure +$8.91M financing before September 15, 2026 (Month 9 budget exhaustion).
  2. Cap Yard Rework Billing: Transition Egersund yard to a fixed-fee labor cap for remaining mast assembly.
  3. Compress Offshore Hook-up: Recover 15 calendar days to preserve January 31, 2027 Commercial COD.
Document ID: EVM-STR-2026-M08-REV3 Distribution: Executive Board & Steering Committee Status: Approved for Steering Action