Extra pay rates added on top of base wages for working in hazardous conditions, remote locations, or off-hours shifts. Subcontractors must account for differentials when pricing bids and building crew budgets. Common examples include night shift, H2S zone, and fly-in/fly-out premiums.
Differentials
Related Terms
Field-to-Office Ratio
WorkforceThe number of field workers supported by each administrative/office employee. A ratio of 10:1 is common for paper-based operations; digitized operations often achieve 30:1 to 40:1.
Man Camp
WorkforceA temporary, employer-provided housing facility for workers on remote oil and gas or construction sites. Subcontractors must confirm whether camp access is included in their contract or billed separately. Costs and availability directly affect crew mobilisation planning and bid pricing.
Spare Capacity
WorkforceThe portion of a subcontractor's available workforce, equipment, or service hours that is not currently committed to active contracts, representing untapped revenue potential that can be offered to clients on short notice or used to absorb surge demand without turning down work.
Vertical Joint Employment
WorkforceA legal finding where both a subcontractor and a client company are considered employers of the same field workers. This exposes subcontractors to shared liability for wages, overtime, and labour standards violations. Regulators in oil and gas and construction actively scrutinise these arrangements.
Back Wages
WorkforceUnpaid earnings owed to workers for hours already worked. For subcontractors, this often arises from payroll errors, misclassification, or disputed overtime on remote job sites. Unresolved back wage claims can trigger labour audits and project holdbacks.
Crew Utilization
WorkforceThe percentage of available crew hours that are billable or actively deployed on a job. Low utilisation means workers are on standby or idle, cutting into margins. Subcontractors track this metric to assess workforce efficiency and bid future projects accurately.
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