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WEBINAR: Adverse Physical Conditions – What should an experienced contractor be expected to foresee? (24 November 2021)
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Contact SCL(S) Secretariat, This email address is being protected from spambots. You need JavaScript enabled to view it.

About the Webinar:

Although civil engineering forms of contract used in Singapore have evolved over the last 40 years, the majority of major civil engineering contracts still include the provision which was adopted originally from Clause 12 of the ICE Conditions that the employer accepts the risk of adverse physical conditions which could not have been reasonably foreseen by an experienced contractor. Disagreement inevitably arises because the terminology is necessarily vague and the circumstances of the ‘adversity’ are judged after the event, when there is a natural tendency to be influenced by hindsight. 

Join us at this event where the panellists will discuss the following: 

  • The relevant provisions in the various international standard forms of contracts as well as the Singapore standard forms dealing with adverse physical conditions.
  • Recent case law dealing with claims for adverse physical conditions.
  • Actual circumstances of adverse conditions being encountered in Singapore to illustrate the challenges faced by the Engineer or Project Manager in assessing what should have been foreseen.
Webinar Programme:

Webinar participants will be able to watch and listen to (via computer audio, recommended for security reasons, or telephone line) the video presentation and Q&A discussion on their screens, as well as participate in the Q&A discussion by sending in their questions to the moderator via text using the built-in Q&A function.

5.00 - 5.15pm

Opening Remarks by Moderator

Mr. Trevor Lam - Principal, Head of Singapore, TBH; Treasurer, Society of Construction Law (Singapore)

5.15 - 6.45pm

Adverse Physical Conditions – What should an experienced contractor be expected to foresee?

Mr. Chris Nunns – Managing Director, Kroll, Expert Services, Construction Disputes
Mr. Paul Sandosham - Partner, Clifford Chance Asia, Singapore

6.45 - 7.00pm
Q&A Moderated by Webinar Moderator

About the Speakers:

Mr. Chris Nunns – Managing Director, Kroll, Expert Services, Construction Disputes

Chris Nunns

Christopher is a respected construction expert with 40 years’ experience in the construction industry. He is a Fellow of the Asia Pacific Institute of Experts. For 35 years he has been based in Singapore and has given expert evidence in arbitration and court proceedings on numerous occasions. He is a regular speaker at seminars and conferences. He is a Past Chairman of the Society of Construction Law in Singapore, was a member of the ICE Editorial Advisory Panel and was also accredited as an adjudicator. Christopher holds a Masters degree in geology from Oxford University and spent the early part of his career planning and executing site investigation works for major civil engineering schemes. Since then, he has always maintained a particular interest in disputes involving “adverse physical conditions”.


Mr. Paul Sandosham - Partner, Clifford Chance Asia, Singapore

Paul Sandosham

Paul Sandosham is the Managing Partner of Cavenagh Law LLP and concurrently a partner in Clifford Chance LLP. He practises in the Litigation and Dispute Resolution department and heads Clifford Chance Asia's Energy, Infrastructure and Resources (Disputes) practice for South East Asia. He often acts as counsel in court, adjudication proceedings and international arbitration proceedings under various arbitration rules for various parties in disputes arising out of complex cross-border construction and infrastructure disputes. Paul is on the panel of arbitrators of various arbitral institutions and is often appointed as sole or presiding arbitrator. Paul was one of the inaugural batch of thirteen practitioners appointed as a Senior Accredited Specialists for Building & Construction by the Singapore Academy of Law. He is recognised as a leading dispute resolution and construction lawyer in numerous independent legal publications. He is the current Chairman of the Board of Directors of CIArb (Singapore).

* Clifford Chance Asia is a Formal Law Alliance in Singapore between Clifford Chance Pte Ltd and Cavenagh Law LLP


About the Chairperson:

Mr. Trevor Lam - Principal, Head of Singapore, TBH; Treasurer, Society of Construction Law (Singapore)

Trevor Lam

Trevor has over 20 years of experience across the globe and currently leads TBH’s Singapore office and is the Honorary Treasurer of the Society of Construction Law (Singapore). His experience has been built on a variety of projects including airports, roads, rail, mixed-use developments, hospitals, shopping centres, oil & gas, power and sporting facilities. Over his career, he has been engaged in the provision of independent expert analyses on extensions of time, disruption and acceleration. This has included the preparation of analyses, reports and acting as the Expert for litigation, arbitration, adjudication and mediation proceedings. To stay current, Trevor continues to maintain a strong involvement in the delivery of live projects; planning works from conception to completion across a diversified client base including owners, contractors and sub-contractors. As a result, it has helped in developing a wide-ranging perspective on construction issues that commonly arise.





FEES (includes materials, if any)

SCL (Singapore) Members


  • Guests of SCL(S) Members
  • Members of international SCLs,
  • Members of
    1. Chartered Institute of Arbitrators (Singapore) Ltd (CIArb),
    2. Chartered Institute of Building (CIOB),
    3. Lighthouse Club (Singapore) (Lighthouse),
    4. Marine Offshore Oil & Gas Association (MOOGAS)
    5. Royal Institution of Chartered Surveyors (RICS),
    6. Singapore Contractors Association Ltd (SCAL),
    7. Singapore Institute of Arbitrators (SIArb),
    8. Singapore Institute of Architects (SIA),
    9. Singapore Institute of Building Ltd (SIBL),
    10. Singapore Institute of Surveyors and Valuers (SISV),
    11. Society of Project Managers (SPM),
    12. Tunneling and Underground Construction Society (Singapore (TUCSS),
    13. Full Time Students & Faculty of NUS Faculty of Law




Continuing Professional Development  

Practice Area: Building & Construction
Training Level: Update
Public CPD Points: 2 

Location Zoom Video Webinar Platform

SILE Attendance Policy
Participants who wish to obtain CPD Points are reminded that they must comply strictly with the Attendance Policy set out in the CPD Guidelines. For this activity, this includes logging in at the start of the webinar and logging out at the conclusion of the webinar in the manner required by the organiser, and not being away from the entire activity for more than 15 minutes. Participants who do not comply with the Attendance Policy will not be able to obtain CPD Points for attending the activity. Please refer to for more information.

Please register for this event using the online form below.

If you are also registering guest(s), please register yourself first and then select Add Guest at bottom of the online form.



  1. Places are limited and can only be allocated in order of priority upon receipt of registration and any payment due.
  2. We reserve the right to refuse to register or admit any participant, and to cancel or postpone the webinar.
  3. Equivalent substitute delegates are welcomed, subject to the Organisers being notified at least 2 working days before the webinar of the substitute delegate.
  4. We will not entertain any request for a refund of fees. However, a confirmed registrant who has paid in full the webinar fees but does not attend the webinar will be entitled to a set of materials provided, if any.
  5. I fully consent to the collection, use and disclosure of my personal data as appears in this form by SCL (Singapore) for the purposes set out on your website. Visit to read our Personal Data Policy.
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