'Services' includes purchases of both professional services such as engineering, architectural and consultancy works along with more composite maintenance or management services such as soft/hard facilities management, cleaning, catering, security services, maintenance of a specific plant/building, data processing and more complex services such as ambulance services.
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NEC Title
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Brief Description & Uses
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NEC3 Term Service Contract (TSC)
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This contract should be used for the appointment of a supplier to maintain a service or manage and provide a service. These services may include elements of design and relate to physical works or soft services such as facilities management. They may have discrete packages of project works; although where the bulk of the scope is about delivering a physical end product it may be appropriate to use the ECC/ECSC as an alternative. The TSC contains a call off facility.
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NEC3 Term Service Short Contract (TSSC)
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This contract is an alternative to TSC and is for use with contracts which do not require sophisticated management techniques, comprise straightforward services and impose only low risks on both client and a contractor.
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NEC3 Professional Services Contract (PSC)
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This contract should be used for the appointment of a supplier to provide professional services, such as engineering, design or consultancy advice. Unlike the TSC, which is about maintain a service, this contract is about delivering a service or advice. This contract like the TSC contains a call off facility.
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In addition, the following contracts may be of use when using the NEC for the procurement of services
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Other |
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NEC3 Adjudicator's Contract (AC) |
This contract should be used for the appointment of an Adjudicator to decide disputes under the NEC3 family of contracts. It may also be used for the appointment of an Adjudicator under other forms of contract. |
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NEC3 Framework Contract (FC) |
This contract should be used for the appointment of one or more suppliers to carry out construction work or to provide design or advisory services on an as instructed basis over a set term. This umbrella contract must be used in conjunction with one or more of the other NEC3 contracts and provides a sophisticated call off mechanism. |





