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The use of Geotechnical Baseline Reports(GBRs) in contracts

Date: 23 July 2013 (Tuesday)Time: 18:00 to 20:30 (Registration starts at 17:45)Venue: SMU, Seminar Room 4.1 @ School of Economics & Social Sciences, 90 StamfordRoad, Singapore 178903Fee: SGD$50 (RICS member); SGD$60 (SO/CIJC); SGD$70 (Non member)Language: EnglishCapacity: 40 (first-come, first-served)

Speaker: Prof John Endicott, AECOM Fellow and Executive Director of AECOMs geotechnical business, Asia.

Event Overview:A large proportion of construction claims are based on changed ground conditions and many of such claimsare for very large sums of money especially for tunnels. Once a case is taken to Arbitration, the costs canescalate dramatically.

A question that faces the industry is how to reduce exposure to expensive claims relating to ground conditions.Factors that affect claims include the amount of ground information made at the time of tender and its qualityand how the Contract allocates geotechnical risk.

Recent developments such as the provision of more factual data including extensive lengths of rock coreobtained at tunnel level by horizontal directional coring, coupled with detailed GIS based geological models.

In addition, the use of electronic storage of performance data has made available to large data bases ofperformance including geological conditions, rates of advance, numbers of probe holes, rates of inflow ofwater and amounts of grout used. Such large data bases provide the opportunity to forecast rates ofproduction and, costs of drilling and grouting in rock to prevent inflow of water. An example will be presentedof an application of this method.

In Hong Kong and Singapore, consideration has been given to sharing geological risk by defining includedground conditions, and therefore admitting to classes of changed ground conditions, by adopting GeotechnicalBaseline Reports. Experience has now been gained locally by completing contracts which have includedGBRs in Hong Kong and Geotechnical Interpretative Baseline Reports, for LTA in Singapore.

The lecture will conclude by considering how the contracts have performed, and how claims are measuredand assessed.

About the speaker:Prof John Endicott is an AECOM Fellow and Executive Director of AECOMs geotechnical business in Asia.He has specialised in geotechnical engineering since 1970 initially in UK and has been practicing in HongKong since 1975.

In Hong Kong, initially, he had extensive involvement in design of MTRC underground stations and tunnels,foundations, major roads including the Aberdeen Tunnel, and for New Town Development at Shatin, and Tai

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Po. He was the contractor's designer for six water supply tunnels and two railway tunnels in Singapore andadviser for four railway tunnels constructed in Hong Kong.

In 1986, he led the design of ground engineering works for some fifteen underground railway stations andtwelve railway tunnels in Taipei. Since 1990, John has managed major civil engineering projects including theSite Preparation Contract for the new Chek Lap Kok Airport and MTRC 611 tunnels, West Rail DB350 tunnels,the Route 3 Country Park Tunnels, an electricity cable tunnel in the Hong Kong Island, Quarry Bay Relief

tunnels for MTRC, container terminals CT8, CT10 and CT11.

He has provided specialist consulting services for three underground stations in Singapore, for nineunderground stations and associated tunnels in Bangkok and six underground stations and tunnels in Delhi.Currently he is working on HATS 2A Sewage Tunnels and he is the Supervising Officer for Lai Chi KokDrainage Tunnel. He has been instrumental in introducing Geotechnical Baseline Reports to Hong Kong andhas been involved with Geotechnical Interpretative Baseline Reports for LTA in Singapore.

He has been in considerable demand as an expert in ground engineering. Recent work has included theArbitration for the SSDS Stage 1 Tunnels, for Piling in karst at Ma On Shan for HKHA, for several cases withshort piles, and for the collapse of the Nicoll Highway in Singapore.

Registration FormThe use of Geotechnical Baseline Reports (GBRs) in contractsVenue: SMU, Seminar Room 4.1 @ School of Economics & Social Sciences, 90 StamfordRoad, Singapore 178903

23 July 2013

Deadline for registration:19 July 2013

Delegate FeesRICS member Supporting Organisations

(CIOB, CIJC, SIBL, CoreNet global, SIP, TUCSS, SCL and SIA)Non-RICS member

SGD$50 SGD$60 SGD$70

For enquiries, please contact the RICS Singapore office at +65 6692 9169. To register, please completethe Registration Form and return it with payment to Ms Winnie Lee.

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1. By Cheque

Please mail the crossed cheque made payable in Singapore dollar to RICS INTERNATIONAL L SPORE B andattach along with the completed registration form to Ms Winnie Lee at Level 25 (25-75), Samsung Hub, 3 Church Street,Singapore 049483.

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Please deposit to the following bank account and fax the deposit slip along with the completed registration form at fax no.:+65 6692 9293.

Payee: RICS INTERNATIONAL L SPORE BName of Bank: The Hongkong and Shanghai Banking Corporation LimitedAccount No: 047-859004-001

Remarks The organiser reserves the right to cancel or reschedule the function at their discretion You will only receive an e-mail notification from the RICS office confirming your registration status. You are advised to call RICS

office (+65 66929169) to confirm your registration status if you have not received an e-mail confirmation prior to the event No refund can be made for cancellation or no show but a substitute delegate is normally permitted. Please inform RICS at least

one day prior the event Seats will only be confirmed upon receipt of completed registration form together with payment Please make sure the exact amount is deposited as no change or refund will be provided Incomplete and wrongly completed registration form will not be processed Attendance certificate and receipt will be emailed to participants within 10 workings days after the event