LEM (Labour, Equipment, Materials)

Invoicing for work completed to date on a longer project, rather than waiting until project completion. Helps subcontractors maintain cash flow on extended jobs.

A fixed-price contract where the subcontractor delivers a completed scope of work for one agreed total. All cost overruns come out of your margin, not the client's pocket. Scope creep and unforeseen site conditions are your financial risk to manage.

A formal document issued by prime contractors or operators asking subcontractors to submit detailed pricing and specifications for specific field services, equipment, or labour. RFQs typically include project scope, timelines, and technical requirements that subcontractors must address to compete for the contract.

Contracts that lock in a future price for natural gas, traded on commodity markets. When futures prices drop, upstream clients often cut budgets and delay field work. Subcontractors should monitor futures as an early signal of upcoming project slowdowns or cancellations.

A variable fee added to invoices to recover fuel cost fluctuations on equipment-heavy jobs. Subcontractors often tie it to a published index, such as the weekly rack price. Review prime contracts carefully — some owners cap or exclude surcharges entirely.

A reduced invoice amount offered to prime contractors or clients who pay before the standard due date. Common terms like 2/10 Net 30 mean a 2% discount if paid within 10 days. Subcontractors must weigh the cash-flow benefit against the revenue they give up.

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