Last edited 14 Dec 2020

Main author

CIOB Institute / association Website

Flagship first project for CPC 2013

NB This article was written in February 2015. In November 2015, the Complex Projects Contract was updated and renamed the Time and cost management contract TCM15.

The Complex Projects Contract (CPC 2013) was developed by the Chartered Institute of Building (CIOB). Launched on 23 April 2013, it is thought to be the world’s first contract specifically aimed at the management of time in complex construction and engineering projects.

The first project to use CPC 13 looks set to be the £600M United Nations (UN) headquarters in Geneva, the Palais des Nations, which is a complex, overlapping, phased new build and refurbishment project. The UN has already decided to adopt the proposed CPC consultancy document for its professional appointments prior to the document’s formal publication. Construction of the six year building programme is due to start in 2017.

The intention is to use the CIOB Contract Agreement with 90% of its clauses un-amended. It will be interesting to examine which clauses the employer’s team consider need alteration. The conditions of contract and appendices which are project specific will have to be prepared by the consultant team. The independent 'valuer' and the 'project time manager' have yet to be appointed by the employer. These key appointments will be fundamental to the success of this first test of a new way of working. The two explanatory documents accompanying the contract 'user notes' and 'general index' will also be put to the test although neither document is contractual.

In some aspects CPC 2013 takes its lead from the New Engineering Contract (NEC) insomuch as it is:

However, CPC 2013 seeks to improve on the NEC provisions by introducing management protocols and mechanisms using activity-based pricing and synchronised work schedules which include the pricing of time contingencies. This requires a critical path programme setting out free float for each activity as well as total float. The project programme has three levels of density to ensure it remains dynamic:

  • Low density which sets out programmed work for 10 months and beyond.
  • Medium density for work from 4 to 9 moths.
  • High density which is short term.

This process sets out to constantly predict the outcome of costs and completion. The latest updated position is published electronically and collaborative meetings are held to do whatever is practical to reduce delays and unforeseen costs. The contract administrator can instruct remedial measures accordingly. Liquidated and ascertained damages as well as capped consequential losses can be levied for delays caused by matters under the contractor’s control.

CPC 13 seeks to clearly address and allocate risk and its adverse costs. It is very thorough in setting out how timescales are to be predicted and monitored, including contingency planning. The contract addresses concurrent delay in relation to extension of time and financial entitlement.

The independent valuer, who assesses interim payments for work, assisted by transparency of time and priced contingency (set out in the contract and as work proceeds) has more tools at their disposal to assess costs of delay, particularly when building information modelling (BIM) data is synchronised with work schedules. These arrangements should lead to better control of variations than has been the case with NEC projects.

In an effort to prevent festering disputes there is a fast and relatively cheap adjudication procedure which can be invoked when parties cannot reach agreement. Outside experts can be brought in to assist the adjudicator’s determination which is binding if not challenged within 20 working days.

The eyes of the industry will be focused on the Geneva project which will doubtless reveal teething problems leading to improvements.


[edit] Find out more

[edit] Related articles on Designing Buildings Wiki

[edit] External references

  • Construction Manager February 2015 edition
  • Contracts and Law by Keith Pickavance
  • CIOB WEBSITE – CPC 13 Webinar

Designing Buildings Anywhere

Get the Firefox add-on to access 20,000 definitions direct from any website

Find out more Accept cookies and
don't show me this again