A legal claim registered against a property or project when a subcontractor hasn't been paid for labour or materials. It prevents the owner from selling or refinancing until the debt is resolved. Filing deadlines are strict, so act quickly if payment is overdue.
Mechanic's Lien
Related Terms
Escalation Clause
Cash FlowA contract provision that allows your rates or pricing to increase if specific costs rise, such as fuel, labour, or materials. It protects subcontractors from absorbing unexpected cost spikes during long-term projects. Always verify trigger conditions and notice requirements before signing.
Seasonal Norms
Cash FlowExpected fluctuations in workload, crew demand, and billing cycles tied to specific times of year. In oil & gas and construction, busy seasons drive higher rates and faster payments. Slow seasons often mean delayed invoices, reduced headcount, and tighter cash flow.
Non-Productive Time
Cash FlowNPT (Non-Productive Time) is any period when crews or equipment are on-site but not performing billable work. This includes weather delays, equipment breakdowns, or waiting on materials. Subcontractors often absorb NPT costs unless contracts clearly define standby rates.
FCF (Free Cash Flow)
Cash FlowCash remaining after covering operating costs and equipment or tool purchases. For subcontractors, strong FCF means you can take on new contracts, absorb payment delays, and avoid emergency borrowing. It is one of the clearest signs of a financially healthy field service business.
Iadc Ddr (international Association of Drilling Contractors Daily Drilling Report)
Cash FlowA standardised daily report documenting rig operations, hours worked, and downtime on a drilling project. Subcontractors often must align their own daily reports with the IADC DDR for invoicing and performance verification. Discrepancies between your records and the DDR can delay payment or trigger billing disputes.
LEM (Labour, Equipment, Materials)
Cash FlowA breakdown of costs on a field ticket or invoice, separating charges into labor hours, equipment usage, and materials consumed.
Latest Cash Flow News
Gordie Howe Bridge to Open July 27, Adding Second Detroit-Windsor Span
U.S. and Canadian officials set a July 27 opening for the Gordie Howe International Bridge after a six-week delay tied to toll governance talks, adding a second commercial crossing between Detroit and Windsor.
yesterday Cash FlowKiewit's Weeks Marine Gets $88M Hudson Tunnel Change Order
The Gateway Development Commission approved an $88 million change order for Weeks Marine to clear submerged piles from the Hudson River, clearing the path for tunnel boring machines set to start in 2028.
3 days ago Cash FlowCourt Ruling Clears Funding Freeze on $16B Hudson Tunnel Project
A federal judge permanently blocked the U.S. Department of Transportation from withholding funds on the Hudson Tunnel Project, ruling the September freeze flagrantly violated federal law.
15 days ago Cash FlowAecon and Arctic Gateway Sign MOU for Port of Churchill and Hudson Bay Railway Development
Aecon Group has signed a collaboration agreement with Arctic Gateway Group to support infrastructure development in northern Manitoba, targeting the Port of Churchill and Hudson Bay Railway. Subcontractors with remote construction experience should take note of upcoming opportunities in the region.
1 month agoRelated Guides
Mechanic's Lien Rights for Subcontractors: What to Do When You're Not Getting Paid
A practical guide to mechanic's lien and materialman's lien rights for oilfield and construction subcontractors in Texas, Oklahoma, and Alberta — deadlines, filing steps, and leverage tactics.
Cash Flow GuideWhat Happens to Subcontractor Billing When a Project Stalls, Goes Over Budget, or Never Gets Commissioned
You did the work. The project was cancelled, shelved, or never activated. Here is what subcontractors need to know about billing rights, legal remedies, and how to get paid when no one wants to discuss the invoice.
Cash Flow GuidePost-Completion Warranty and Punch Work: Protecting Your Margins After the Job Ends
Warranty walks, punch lists, and post-completion callbacks eat into subcontractor margins. Learn how MSA warranty clauses work, when you can push back on mobilization costs, and how to document your way out of disputes.
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