Tunnel Ventilation & Fire-fighting MEP — Twin-tube Tunnel T4 (subcontract)

Profit bridge — financing lens

Expected operating profit before financing

₹7.54 Cr13.0%

= gross profit to date ₹2.69 Cr + remaining work ₹37.30 Cr × planned 13% margin

Borrowing interest & fees incurred Realised

₹0

Forecast borrowing interest to repayment Forecast

₹0

Revised profit after financing

₹7.54 Cr13.0%

Illustrative collection loss Illustrative

−₹18.2 L

Probability-weighted penalties & write-offs Illustrative

−₹12.0 L

Profit after illustrative losses Illustrative

₹7.24 Cr12.5%

The baseline margin already includes direct costs (materials, subcontract, site payroll, equipment). It excludes financing, head-office overheads and company term-loan interest, so the deductions above are not double counted. Retention is timing, not cost.

• Financing lens: Falls below the 8% target: not calculable — no borrowing is attributable to this project, so delays add no interest. Breaks even: not calculable — no borrowing is attributable to this project, so delays add no interest.
• Opportunity lens: Falls below the 8% target if collections slip 1060 more days (largest bill then arrives 5 Oct 2029). Breaks even: not within 3 years of further delay.