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NEC4 Contract

The range of new and existing specialist contracts within the NEC4 contract family includes:

Design, Build and Operate Contract

Dispute Resolution Contract

Framework Contract

Managing Reality Guide Books

Professional Services Contract

Supply Contract

Term Service Contract

The NEC4 is suitable for procuring a full array of Works, Services and Supply, ranging from a major framework to small-scale projects.


Two brand new contracts have been added to the suite - NEC4 Design, Build and Operate Contract (DBO) and NEC4 Alliance Contract (ALC).
The NEC4 is an evolution on the successful NEC3. NEC4 contracts keep on using plain English and present tense to facilitate the celebration of contracts across the world.

NEC4: changes and improvements


NEC4 Design, Build and Operate Contract:
Combines responsibility for usually disparate functions - design, construction, operation or maintenance to support operational requirements procured from a single supplier.
NEC4 Alliance Contract: For all parties to work together in achieving Client objectives, and share in the risks and benefits of doing so.
BIM Option: To support the use of Information Modelling. It provides additional clauses to support the management of Information Model Requirements. The NEC4 BIM Option deals with issues of Information Model and information ownership, and liability of the parties.
Contractor's design and build option: Contractor's design duty has been aligned with industry standard for designers.
Early Contractor Involvement (ECI): Launched separately from the contracts in 2015, the ECI is now part of the NEC4 ECC.
Dispute Avoidance Board: To encourage and support parties in resolving any dispute or difference consensually.
Payment provisions improved: Periodic assessments now require an application by the Contractor. If no application is made by the assessment date, the Contractor does not receive payment.
New guidance suite: In producing NEC4 contracts the guidance documents were completely reviewed and re-structured.

NEC4: Guidance Notes & Flow Charts

The guidance notes for all NEC4 contracts have been updated and consolidated. They are provided into four distinct volumes, dealing with procurement strategy, contract preparation, supplier selection and contract management.
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  • Architects Guide to NEC4

    RIBA Publishing

    Architects Guide to NEC4

    Author: Frances Froward Publisher: RIBA Publishing Imprint: RIBA Enterprises Stock Code: 91916 ISBN: 9781859468562 Format: Paperback Pagination: 130 pages Pub Date: 01/10/2018 The key aim of the Architect's Guide to NEC4 is to provide a user-friendly...

    MRP: £25.00
    £23.00
  • Construction Project Managers Pocket Book

    Taylor & Francis

    Construction Project Managers Pocket Book

    Author: Duncan Cartlidge Publisher: Taylor & Francis Ltd Imprint: Routledge ISBN: 9780367435936 Format: Paperback Pagination: 248 pages Pub Date: 19/05/2020 The second edition of the Construction Project Managers Pocket Book maintains its coverage of...

    MRP: £26.99
    £24.49
  • NEC Managing Reality 5 book set

    ICE Publishing

    NEC Managing Reality 5 book set

    Author: Barry Trebes and Bronwyn Mitchell ISBN: 9780727761958 Format: Paperbound Publish Date: 29/10/2017 Publisher: ICE Publishing Number of Pages: 720 Managing Reality is a series of books written by NEC experts that explain how NEC4 can be used to...

    MRP: £194.50
    £184.75
  • NEC Managing Reality Book 3 Managing the contract

    ICE Publishing

    NEC Managing Reality Book 3 Managing the contract

    Author: Barry Trebes and Bronwyn Mitchell ISBN: 9780727761866 Format: Paperbound Publish Date: 29/10/2017 Publisher: ICE Publishing Number of Pages: 104 How NEC4 can be used to optimum benefit in everyday environments. Fully updated to reflect the NEC4...

    MRP: £50.25
    £47.75
  • NEC Managing Reality Book 4 Managing Change

    NEC Managing Reality Book 4 Managing Change

    Author: Barry Trebes and Bronwyn Mitchell ISBN: 9780727761880 Format: Paperbound Publish Date: 29/10/2017 Publisher: ICE Publishing Number of Pages: 136 Managing Reality is a series of books written by NEC experts that explain how NEC4 can be used to...

    MRP: £50.00
    £46.50
  • NEC Managing Reality Book 5 Managing Procedures

    ICE Publishing

    NEC Managing Reality Book 5 Managing Procedures

    Author: Barry Trebes and Bronwyn Mitchell ISBN: 9780727761903 Format: Paperbound Publish Date: 29/10/2017 Publisher: ICE Publishing Number of Pages: 88 Managing Reality is a series of books written by NEC experts that explain how NEC4 can be used to...

    MRP: £44.75
    £42.50
  • NEC3 and NEC4 Compared

    ICE Publishing

    NEC3 and NEC4 Compared

    Authors: Robert Alan Gerrard ISBN: 9780727762016 Format: Paperbound Publish Date: 19/09/2017 Publisher: ICE Publishing Number of Pages: 192 NEC3 and NEC4 Compared is a practical reference guide which covers on a clause-by-clause basis, the differences...

    MRP: £44.75
    £42.50
  • NEC4 100 Questions and Answers

    NEC4

    NEC4 100 Questions and Answers

    Author: Kelvin Hughes Publisher: Taylor & Francis Ltd Imprint: Routledge ISBN: 9781138365254 Format: Paperback Pagination:224 pages Pub Date: 12/05/2019 This book details some of the most important and interesting questions raised about the NEC4...

    MRP: £46.99
    £43.99
  • NEC4 Alliance Contract

    ICE Publishing

    NEC4 Alliance Contract

    ISBN: 9780727762207 Format: Paperbound Publish Date: 22/06/2018 Publisher: Thomas Telford Ltd Number of Pages: 72 The NEC4 Alliance Contract is a multiparty contract for the appointment of a number of partners to create an alliance to deliver a major...

    MRP: £107.75
    £102.25
  • NEC4 Alliance Contract Special Edition Box Set

    ICE Publishing

    NEC4 Alliance Contract Special Edition Box Set

    ISBN: 9780727763891 Format: Paperbound Publish Date: 22/06/2018 Publisher: Thomas Telford Ltd Number of Pages: 344 The NEC4 Alliance Contract is a multiparty contract for the appointment of a number of partners to create an alliance to deliver a major...

    MRP: £177.00
    £168.25
  • NEC4 contract box set including Alliance Contract

    ICE Publishing

    NEC4 contract box set including Alliance Contract

    ISBN: 9780727763914 Format: Paperbound Publish Date: 22/06/2017 Publisher: NEC The new suite of NEC Contracts enable any project to be delivered on time, within budget and to the highest standards. NEC4 uses clear and professional language to promote...

    MRP: £825.00
    £810.00
  • NEC4 Engineering and Construction Contract

    ICE Publishing

    NEC4 Engineering and Construction Contract

    ISBN: 9780727762092 Format: Paperbound Publish Date: 22/06/2017 Publisher: Thomas Telford Ltd Number of Pages: 120 This new and updated NEC4 Engineering and Construction Contract (ECC) embraces the new procurement changes that are happening in the...

    MRP: £91.25
    £88.55
  • NEC4 Engineering and Construction Contract Bundle

    ICE Publishing

    NEC4 Engineering and Construction Contract Bundle

    ISBN: 9780727763211 Format: Paperbound Publish Date: 22/06/2017 Publisher: Thomas Telford Ltd This special bundle contains everything needed to run a construction project under NEC4 and includes the main and subcontract and all the guides to managing and...

    MRP: £209.25
    £198.75
  • NEC4 Establishing a Procurement and Contract Strategy

    ICE Publishing

    NEC4 Establishing a Procurement and Contract Strategy

    ISBN: 9780727762238 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd Number of Pages: 48 NEC4: Establishing a Procurement and Contract Strategy This document is a brief guide to the NEC and strategic choices between contracts and...

    MRP: £40.00
    £38.00
  • NEC4 Managing a Supply Contract

    ICE Publishing

    NEC4 Managing a Supply Contract

    ISBN: 9780727762429 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd NEC4 Managing a Supply Short Contract This document will provide guidance on the contract management for a Supply Contract (SC). Price: £29.00 Chapter 1...

    MRP: £29.00
    £27.50
  • NEC4 Managing a Supply Short Contract

    ICE Publishing

    NEC4 Managing a Supply Short Contract

    ISBN: 9780727762436 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd NEC4 Managing a Supply Short Contract This document will provide guidance on the contract management for a Supply Short Contract (SSC). Price: £29...

    MRP: £29.00
    £27.50
  • NEC4 Managing a Term Service Contract

    ICE Publishing

    NEC4 Managing a Term Service Contract

    ISBN: 9780727762399 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd NEC4 Managing a Term Service Contract This document will provide guidance on the contract management for a Term Service Contract (TSC). Price: £29...

    MRP: £29.00
    £27.50
  • NEC4 Managing a Term Service Short Contract

    ICE Publishing

    NEC4 Managing a Term Service Short Contract

    ISBN: 9780727762405 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd NEC4 Managing a Term Service Short Contract This document will provide guidance on the contract management for a Term Service Short Contract (TSSC). Price:...

    MRP: £29.00
    £27.50
  • NEC4 Managing an Alliance Contract

    ICE Publishing

    NEC4 Managing an Alliance Contract

    ISBN: 9780727762443 Format: Paperbound Publish Date: 22/06/2018 Publisher: Thomas Telford Ltd Number of Pages: 104 This document will provide guidance on the contract management for an NEC4 Alliance Contract (ALC). Price: £29.00

    MRP: £29.00
    £27.50
  • NEC4 Managing an Engineering and Construction Contract

    ICE Publishing

    NEC4 Managing an Engineering and Construction Contract

    ISBN: 978072776235 Format: Paperbound Publish Date: 22/07/2017 Publisher: Thomas Telford Ltd Number of Pages: 48 NEC4: Managing an Engineering and Construction Contract This document will provide guidance on the contract management for an Engineering and...

    MRP: £29.00
    £27.50
  • NEC4 Option A: Priced Contract with Activity Schedule

    ICE Publishing

    NEC4 Option A: Priced Contract with Activity Schedule

    ISBN: 9780727763112 Format: Paperbound Publish Date: 22/06/2017 Publisher: Thomas Telford Ltd Number of Pages: 76 The NEC4, Option A is a priced contract with an activity schedule. The basis of the contract is that each activity in the building programme...

    MRP: £51.50
    £48.75
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