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Public Sector Standard Conditions of Contract (PSSCOC) and Collaborative Contracting

Public Sector Standard Conditions of Contract (PSSCOC)

The PSSCOC was developed to enable a common contract form to be used for all public sector construction projects. Using a standardised conditions of contract will allow users to be more familiar, reduce tendering efforts and promote greater efficiency in contract administration.

Collaborative Contracting

Option Module on Collaborative Contracting for use in conjunction with the PSSCOC

To encourage greater collaboration and mutual trust between stakeholders in the built environment sector, we have developed a set of collaborative clauses, as an Option Module to the PSSCOC, together with industry associations and government agencies. The collaborative contract provisions are currently being piloted in selected public sector projects.

Standard Clauses for use with NEC4 Engineering and Construction Contract (ECC)1 

The NEC4 contract is designed to facilitate and encourage good management of risks through mutual trust and cooperation of project parties. NEC contracts are drafted around three principal objectives:

  1. Flexibility – enable the contract to be customised to suit different project needs through its modular structure and optional clauses
  2. Clarity – written in plain English avoiding legal terminology
  3. Stimulus to Good Project Management – incorporate the principles of good project management requiring parties to adhere to processes designed to manage time, cost and quality

As the NEC4 is a standard contract form used internationally, additional clauses are developed to better support the implementation of NEC4 ECC pilot projects in Singapore:

Clauses

Details

Y(SG) clauses2

Aligns NEC4 ECC with Singapore’s laws

 

W clauses

Dispute resolution options incorporating local dispute resolution protocols and practices

 

Z clauses

Additional conditions of contract for project-specific requirements. A base set of Z clauses is developed which takes into consideration public sector procurement requirements and local practices.

 

 

1 The NEC4 Engineering and Construction Contract (ECC) is the main works contract for construction and engineering projects in the NEC4 suite of collaborative contracts for built environment procurement.  Selected public sector projects in Singapore are piloting the use of NEC4 ECC. For more information on NEC4 contract, please visit https://www.neccontract.com/.

2 Refer to media release on Launch of NEC4 Contract for Construction and Engineering Projects in Singapore at https://www1.bca.gov.sg/about-us/news-and-publications/media-releases/2024/04/29/launch-of-nec4-contract-for-construction-and-engineering-projects-in-singapore.

Benefits of collaborative contracting

  • Aims to reduce project cost, variations and completion time
  • Encourages teamwork and cooperation among stakeholders
  • Early risk identification and joint problem solving
  • Stimulates information sharing, communication and innovation
  • Avoids disputes and encourages early dispute resolution

 Conditions of Contract

 Downloads


PSSCOC for Construction Works

  1. PSSCOC for Construction Works 2020 (8th edition Jul 2020)

  2. Supplement for PSSCOC for Construction Works 2020 (8th edition Jul 2020)

  3. List of Amendments for PSSCOC for Construction Works 2020 (8th edition Jul 2020)

  4. Option Module E (Collaborative Contracting with SIDP^) - Under Pilot

  5. Option Module E (Collaborative Contracting without SIDP) - Under Pilot

*Items 1-2 to be used together.


PSSCOC for Design and Build

  1. PSSCOC for Design & Build 2020 (7th edition Jul 2020)

  2. Supplement for PSSCOC for Design & Build 2020 (7th edition Jul 2020)

  3. List of Amendments for PSSCOC for Design & Build 2020 (7th edition Jul 2020)

  4. Option Module C (Collaborative Contracting with SIDP) - Under Pilot

  5. Option Module C (Collaborative Contracting without SIDP) - Under Pilot

*Items 1-2 to be used together.


Standard Conditions for Nominated Sub-Contract (NSC)


  1. Standard Conditions of Nominated Sub-Contract 2008 (5th edition December 2008)

  2. Supplement for Nominated Sub-Contract 2008 (5th edition December 2008) (updated w.e.f. 3 July 2017)

  3. List of Clarifications and Editorial Amendments for Nominated Sub-Contract 2008 (1 Dec 2015)

  4. List of Amendments for Nominated Sub-Contract 2008 (5th edition December 2008)

*Items 1-4 to be used together.


NEC4 Engineering and Construction Contract (ECC)

Users can purchase a copy of the NEC4 ECC from the NEC website at https://www.neccontract.com/

Standard clauses for use in conjunction with NEC4 ECC pilot projects in Singapore

  1. Y(SG) Clauses
  2. W Clauses (1st edition Jan 2025)
  3. Z Clauses (1st edition Jan 2025)
  4. Amendments to Contract Data Template for use in conjunction with the W and Z Clauses (1st edition Jan 2025)

^The Singapore Infrastructure Dispute-Management Protocol (SIDP) referenced in the Option Module on Collaborative Contracting can be found in:

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