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Contract Types

Plain-language definitions of every Contract Types term that shows up in government tender work.


Contract TypesAMC

AMC (Annual Maintenance Contract)

A one-year contract for maintaining specific equipment or systems, covering periodic servicing and breakdown repairs, renewed annually.

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Contract TypesARC

Annual Rate Contract (ARC)

A rate contract valid for one financial year, used for recurring goods and services procurement at pre-agreed rates without repeated tendering.

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Contract TypesBOT

BOT (Build Operate Transfer)

A PPP contract model where a private concessionaire builds and operates an infrastructure asset and recovers costs through tolls or user fees before transferring the asset to the government.

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Contract TypesBOT-Annuity

BOT-Annuity

BOT-Annuity is a highway PPP model where the private concessionaire builds the road and the government pays a fixed annual sum (annuity) over the concession period instead of the concessionaire collecting toll.

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Contract TypesBOT-Toll

BOT-Toll

BOT-Toll is a highway PPP contract where the private concessionaire self-finances construction and recovers investment by collecting toll from road users throughout the concession period.

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Contract TypesCAMC

CAMC (Comprehensive Annual Maintenance Contract)

An annual all-inclusive maintenance contract covering both labour and spare parts within a fixed yearly fee, commonly used for IT, medical, and industrial equipment.

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Contract TypesCMC

CMC (Comprehensive Maintenance Contract)

A maintenance contract covering both labour and spare parts within a single fixed fee, providing full-coverage maintenance without separate parts billing.

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Contract Types

Composite Contract

A Composite Contract is a government procurement contract covering multiple types of work, civil, electrical, and mechanical, bundled into a single tender and awarded to one contractor for unified accountability.

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Contract TypesDBFOT

DBFOT (Design Build Finance Operate Transfer)

A comprehensive PPP model where the private party takes responsibility for all five stages: designing, building, financing, operating, and ultimately transferring an infrastructure asset.

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Contract TypesEPC

EPC Contract (Engineering, Procurement, Construction)

A contract type where the contractor takes full responsibility for design, material procurement, and construction, delivering a completed facility to the government.

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Contract Types

Framework Agreement

A Framework Agreement is a government procurement arrangement that pre-qualifies multiple suppliers at agreed prices for a category, enabling rapid call-off orders without a full tender for each requirement.

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Contract TypesHAM

HAM (Hybrid Annuity Model)

A highway PPP model where the government pays 40% of project cost during construction and the remaining 60% as annuity over 15 years after completion.

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Contract Types

Item Rate Contract

An Item Rate Contract is the most common Indian government works contract where the contractor quotes a unit rate for each BOQ item and is paid based on actual measured quantities at those rates.

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Contract Types

Labour Contract

A Labour Contract is a government procurement arrangement where a contractor provides specified numbers of workers for defined tasks at agreed daily or monthly rates, with the government supplying materials and supervision.

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Contract TypesLS Contract

Lump Sum Contract

A Lump Sum Contract is a government works contract where the contractor agrees to complete a defined scope for a single fixed total price, bearing all quantity and scope risks within the agreed scope.

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Contract TypesO&M

O&M Contract (Operations & Maintenance)

A contract for operating and maintaining a completed infrastructure asset or facility, usually on a performance-linked fee basis for a defined tenure.

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Contract TypesO&M

O&M Contract (Operations & Maintenance)

An O&M Contract is a government service contract engaging a private operator to manage the day-to-day operations and maintenance of an existing infrastructure asset for a defined period.

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Contract TypesPR Contract

Percentage Rate Contract

A Percentage Rate Contract is a government works contract where bidders quote a percentage above or below the official Schedule of Rates, with payment calculated by applying this percentage to the SoR-based measurements.

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Contract Types

Piece Work Contract

A Piece Work Contract is a government procurement arrangement where payment is made per unit of completed work output rather than per hour, day, or overall project, incentivising productivity.

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Contract TypesPPP

PPP (Public Private Partnership)

A long-term arrangement where private firms finance, build, or operate public infrastructure, sharing risks and rewards with the government.

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Contract TypesRC

Rate Contract (RC)

A standing arrangement between a government buyer and a supplier at pre-agreed rates, valid for a fixed period, against which individual orders are placed as needed.

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Contract Types

Running Contract

A Running Contract is a government procurement arrangement where supplies or services are drawn continuously against a standing order over a defined period, with the total quantity built up through repeated call-offs.

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Contract TypesSO

Supply Order

A Supply Order is the formal government purchase instruction issued to a supplier after tender award, specifying the exact goods to be delivered, quantities, delivery schedule, and payment terms.

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Contract TypesT&M

Time and Material Contract

A Time and Material Contract is a government service contract where the buyer pays for actual hours of work delivered plus actual material costs, typically used for consultancy and IT services with uncertain scope.

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Contract Types

Turnkey Contract

A Turnkey Contract is a government procurement arrangement where a single contractor designs, supplies, installs, tests, and commissions a fully operational facility, handing over the 'key' to a ready-to-use asset.

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