Equipment or materials requiring extended procurement timelines, often months ahead of project start. Subcontractors must identify these early to avoid costly schedule delays. Late orders can stall mobilisation and trigger liquidated damages clauses.
Long-Lead Items
Related Terms
Schedule Compliance
IndustryA measure of how consistently a subcontractor completes work within the agreed timeline. Low compliance can trigger penalties, delay progress payments, or affect contract renewal. Tracking it helps field crews identify where mobilisation or scope changes are causing slippage.
Production Shut-in
IndustryA temporary halt to oil or gas production at a well or facility, ordered by the operator. For subcontractors, this often means suspended work orders and delayed revenue until operations resume. Standby rates and demobilisation terms in your contract become critical during a shut-in.
Tunnel Portal
IndustryThe open entrance and exit points of a tunnel where underground meets surface operations. For subcontractors, portals are critical mobilisation zones for equipment, crews, and material staging. Access, congestion, and safety controls at portals directly affect your crew's productivity and schedule.
Interconnection Agreement
IndustryA contract governing how a facility or system connects to a larger network, such as a pipeline or power grid. For subcontractors, it defines technical requirements and responsibilities during tie-in work. Non-compliance can trigger delays, penalties, or scope disputes.
LNTP (Limited Notice To Proceed)
IndustryA partial greenlight from a client authorising subcontractors to begin limited, specific work before the full contract is executed. It typically covers early mobilisation, procurement, or site prep activities only. Scope and spending are strictly capped, so track your costs carefully to avoid unauthorised overruns.
Work Package
IndustryA defined bundle of tasks, drawings, and specs issued to a subcontractor for a specific scope of work. It sets the boundaries of your crew's responsibilities on a project. Work packages drive your billing milestones and progress claims.
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