TUCSS Monthly Seminar No. 241

Event details

TUCSS Monthly Seminar No. 241 – Thursday, 16 March 2023, 6.30 pm

Tunnelling below Existing Buildings - Challenges and Mitigation Measures

by Er. Jee Yi Yng – Country Representative Singapore, AECOM

Abstract

The presentation will describe the tunnelling works at Thomson-East Coast Line (TEL) Contract T216 where the twin tunnels were constructed between the TEL Stevens Station and TEL Napier Station, undercrossing Stevens Road, White House Road, Nassim Road and Cluny Road. Along the tunnel alignment, TBMs mined through challenging Bukit Timah granite (BTG) formation and undercrossed multiple existing buildings, live operational infrastructure such as DTL tunnels and Wayang Satu flyover. This presentation will focus on the key challenges encountered and mitigation measures implemented during project planning, design and construction stages. 

Speaker

Jee Yi Yng (YY) is the Singapore Country Representative at AECOM (NYSE: ACM), the world’s premier infrastructure firm delivering professional services across the project lifecycle – from planning, design and engineering to consulting and construction management.

In this role, YY leads a diverse team of close to 600 professionals based in Singapore, charting strategic growth for the organization through serving public and private sector clients across key infrastructure and property sectors including transportation, water, environment, energy as well as facets of city planning and design.

Over a career spanning more than 22 years, YY has predominantly worked in the planning, design, project management and construction supervision of large-scale infrastructure projects that involved multi-disciplinary experience in underground projects, including deep excavation, deep foundation systems, tunnelling and land reclamation.

YY has held several key leadership positions since joining AECOM in 2005, including as Executive Director, Transportation. She has a keen interest in elevating the firm’s client service excellence initiatives. She is Professional Engineer registered in disciplines of Civil, Geotechnical and Tunnelling Engineering with the Professional Engineers Board of Singapore and is actively involved as a Qualified Person for Design and Supervision in several key underground projects in Singapore.

Time and Place

The presentation will take place at Mochtar Riady Auditorium at Singapore Management University, Administration Building, Level 5, 81 Victoria Street, Singapore 188065 on Thursday, 16 March 2023 at 18:30 hrs. The presentation will take approximately 45 minutes, follow by 15 minutes of questions/discussion. 

Invitation

This is the 241^st in a series of presentations by TUCSS and is open to current TUCSS Members only. Seats are on first-come-first-served basis and limited to 300 persons.

Registration

Members are to sign up for the seminar via their TUCSS account on the TUCSS Website or TUCSS Mobile App. The details on how to access the seminar will be sent to the members who has successfully signed up for the seminar, at a date nearer to the seminar. The deadline for registration is on Thursday, 9 March 2023 or when total registered participants reaches 300 whichever comes earlier.

*TUCSS Corporate Members limited to 3 registrations only. For TUCSS Corporate members, please email us the following email information (name, TUCSS Corporate membership number, company name, email address, PE/RE/RTO number if applicable)

PDU/STU

Points have been applied and pending approval.

Speaker

Er. Jee Yi Yng

Country Representative Singapore, AECOM