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PROJECT REFERENCE

No. Project Name Description of Work Instruments Client &Estimate Contract Sum 111 Contract C8230A Monitoring of existing 222 units of Zeiss ELTA S10 Client: GeoScan Pte Ltd Underpinning/ Underground MRT Total Station under the Advance Works Tunnel and Building for World Trade Centre Contract Period: for Harbourfront underpinned building Building and 111 unit of 8 September 2008 to 27 Interchange and excavation effects Zeiss ELTA S10 Total November 2008 Station for sidings tunnel for the Station inside existing NEL at the Harbourfront Harbourfront NEL tunnel. Station vicinity.

222 Contract C823 Monitoring of existing 222 units of Zeiss ELTA S10 Client: Geols Pte Ltd Paya Lebar MRT Station including Total Station at both Station viaduct during sides of existing Paya Contract Period: Interchange excavation at the Paya Lebar MRT Station and 2003 to 2008 Circle Line 2 Lebar Station vicinity viaduct. during the construction of the Circle Line. 333 Contract C3201 Monitoring of existing 4 units of Zeiss ELTA S10 Client: Monosis Parcel D2 Underground MRT line Total StationStation, 222 in each during construction tunnel with Contract Period: Management works along the City Hall interconnecting points 15 November 2003 to 8 UniversUniversityityityity to Bugis Junction MRT (360 0 prism). September 2005 tunnel vicinity for the construction of the HQ of the University. 444 Clemenceau Monitoring of existing 222 units of Zeiss ELTA S10 Client: GPSLands Avenue/Oxley Underground MRT Line Total StationStation, one in each Rise/Penang during construction tunnel. Contract Period: Road ---Vision-Vision works at the Dhoby 22 December 2006 to 7 Crest Residence Ghaut to Somerset February 2008 Station Vicinity for the purpose of constructing a Private Residential and Commercial. 555 Contract C853A Monitoring of existing 3 units of Zeiss ELTA S10 Client: Tritech Bishan MMRTRT MRT Station and Total StationStation, two in Engineering & Testing Pte Station Circle Protection Frame during South Bound and one in Ltd Line 3 temporary works and the North Bound Track. excavation at Bishan Open environment. Contract Period: MRT Station vicinity for 1 October 2004 to 21 June the purpose of 2008 constructing the Circle Line beneath. 666 Condominium at Monitoring of existing 111 unit of Zeiss ELTA S10 Client: Shan Road ––– Underground MRT LiLinenenene Total Station in the North LP Ong & Associates Pinnacle 16 during demolition and Bound Tunnel. Contract Period: Condominium construction of a Private 15 July 2004 to 26 Residential October 2005 condominium. 777 Contract C853 Monitoring of existing 222 units of Zeiss ELTA S10 Client: Taisei Corp Circle Line 3, Terrace House during Total Station on top of TuTuTunnelingTu nneling works tunneling from separate buildings, Contract Period: from Bishan to Marymount Station to overlooking the tunnel 1 November 2005 to 30 Marymount Bishan Station for the route and the terrace October 2006

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purpose of constructing houses. the Circle Line.

888 Contract C855 Monitoring of existing 222 units of Zeiss ELTA S10 Client: Woh Hup (Pte) Ltd Circle Line 4 & 5, MRT Station and Viaduct Total Station on ground Circle Line MRT during excavation and level. 38 nos of Real Time Contract Period: Station at Bouna construction of the ElectroElectro----LevelLevel Beams 3 February 22005005 to 2 Vista Circle Line at Buona installed on the trainway February 2007 Vista Station. viaduct. (24 Months) 999 Contract ER163 Monitoring of existing 2 units of Zeiss ELTA Client: Tew Kim Thai Improvement to Underground MRT Line S10S10, one in each of the Construction Pte Ltd Orchard Road / during excavation and North and South Bound Orchard Link diversion of Orchard tunnels. Included 2 units Contract Period: Road and Orchard Link. of Vibration Sensor. 19 March 2005 to 18 August 2005 (5 months) 101010 Sengkang Town Monitoring of existing 111 unit of Zeiss ELTA S10 Client: Neighborhood 2 Underground MRT Total StationStation, in the NEL LP Ong & Associates NC36 Mukim 21, Station during Station at Buangkok MRT HDB (Buangkok) excavation and Station. Two numbers of Contract PerPeriod:iod: construction of HDB Vibration Monitoring 28 April 2005 to 27 residential blocks. System January 2006 111111 Housing Monitoring of existing 1 unit of Zeiss ELTA S10 Client: Development Underground MRT Total StationStation, in the NEL LP Ong & Associates comprising 4 Blks Tunnel during Station at Buangkok MRT of 12/15 Storey excavation at Buangkok Station to Sengkang MRT Contract Period: Residential Station for the purpose Station 4 May 2005 to 17 May Building, at of constructing a Private 2007 Sengkang N2C34 Residential Condominium. 121212 Proposed Monitoring of existing 1 unit of Zeiss ELTA S10 Client: LP ONONGG & Development Site Underground MRT Total StationStation, in the West Associates for Hotel on LLotsots Tunnel during Bound tunnel between 255 & 256 Ts 144, excavation and Bugis & Lavender MRT Contract Period: Jalan Kubor Road construction of a Private Station. 28 October 2005 to 19 Hotel. March 2008 131313 Contract C854 Monitoring of existing 3 units of Zeiss ELTA S10 Client: Circle Line 4, DTSS Tunnel during Total Station inside the Soil & Foundation (Pte) MRT Station excavation and Deep Tunnel Sewage LtdLtdLtd construction at construction of the System (DTSS) tunnel. Farrer Road Farrer Station and the adjoining cut and cover crossover tunnel. 141414 Proposed Monitoring of existing 222 units of Zeiss ELTA S10 Client: Condominium Underground MRT Total StationStation, one in each Poh Lian ConstConstructionruction Pte Development at TunTunnelnel during of the North and South LtdLtdLtd One Newton excavation and Bound tunnels between Road construction of ONE Newton and Novena MRT Contract Period: Newton Condominium. Station, included 4 unitssss 18 January 2006 to 17 of Vibration Sensor. December 2008 (23 months) 151515 Marina Bay Proposed Commercial 666 units of Zeiss ETLA S10 Client: Finance Centre Development at Marina Total Station in both BFC Development Pte Ltd (MBFC) ––– Phase Boulevard / Central North and South Bound 1, Commercial Boulevard (Business Tunnels between Marina Contract Period: Building and Financial Centre) Bay and Raffles MRT 10 April 2006 to 11 Station with 111111 units of February 2014 Vibration Monitoring SensorsSensors.

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161616 Orchard Central Monitoring of existing 111unit1 of Zeiss ELTA S10 Client: Dragon Surveying Development, Underground MRT Total StationStation, in the and Systems Private Tunnel during South Bound tunnel Commercial excavation and between Somerset & Contract Period: Building construction at Dhoby Ghaut MRT 14 September 2006 to 13 Centrepoint Orchard. Station. September 2007 171717 Residential Monitoring of existing 1 unit of Zeiss ELTA S10 Client: Hor Kew (Pte) Ltd Condominium Underground MRT Total StationStation, in North Development at TunneTunnel during Bound tunnel between Contract Period: One Oxley Rise excavation and Somerset and Dhoby 22 December 2006 to 7 construction of Private Ghaut MRT Station February 2008 Residential Condominium. 181818 Development of Monitoring of existing 444 units of Zeiss ELTA S10 Client: Ground Australian CCL Underground MRT Total StationStation, two in each Engineering Pte Ltd InternatioInternationalnal Tunnel during of the Inner and Outer Contract Period: School in excavation and bound tunnel between 30 March 2007 to 29 June Singapore. construction of the Lorong Chuan and 2008 school at Lorong Chuan Bishan MRT Station. (15 months) vicinity. 191919 Extension of Monitoring of existing 111 unit of Zeiss ELTA S10 Client: Carlton Hotel CCL Underground MRT Total Station inside the LP ONG & Associates Development Tunnel monitoring inner Bound tunnel located at Bras during excavation and between Museum and Contract Period: Basah Road. construction of AA Convention MRT Station 16 July 2007 to 14 works for the Hotel September 2009 202020 Redevelopment Monitoring of existing 1 unit of Zeiss ELTA S10S10, Client: of Scotts Underground MRT in the South Bound LP ONG & Associates Shopping Mall at Tunnel during tunnel between Orchard Scotts Road. excavation and & Newton MRT Station Contract Period: construction of 15 August 2007 to 22 Residential and February 2010 Commercial blocks at Scotts Road. 212121 Marina Bay Monitoring of existing 2 units of Sokkia Client: Financial Centre UnderUndergroundground MRT NETNET----1111----mm in both North CeCeCentralCe ntral Boulevard Phase 2 --- Tunnel during and South Bound Tunnels Development Pte Ltd Residential excavation and between Marina Bay and Tower 2 & construction of buildings Raffles MRT Station, Contract Period: Commercial at Marina Boulevard. included 3 units of Real 27 August 2007 to 21 Tower 3 at Marina Time Vibration Sensors August 2011 Boulevard / (208 weeks) Central Boulevard 222222 Spazio @ Scotts ––– Monitoring of existing 222 units of Sokkia Client: Tritech Commercial Underground MRT NETNET----1111----mm II in both North Engineering & Testing Pte Development Tunnel during and South Bound Tunnels Ltd construction of a between Newton and Contract Period: commercial block at Orchard MRT Station. 31 October 2007 to 30 Scotts/Newton road. September 2008 (12 months) 232323 Proposed Marina Monitoring of existing 333 units of Sokkia NET 11---- Client: Marina Bay Suite Bay Finance Common Service Tunnel m II Total StationsStations. Pte Ltd CeCeCentreCe ntre (MBFC) (((CST)(CST) during R2 – two Total Stations Phase II Parcel construction of the R2 – T3 – one Total Station Contract Period: T3 & R2 ––– Residential block and T3 31 October 2007 to 19 Common – Commercial block of March 2013 Services Tunnel the MBFC. (281 weeks) (CST)

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242424 Downtown Line Contract C907 Client: Econ Geotech Pte Contract C9118B - Monitoring of - 3 units of Sokkia LtdLtdLtd which includes existing CST NET 11----mm II Total Contract Period: contract C907 tunnel during the StationStationssss and C901 tunneling works of the Downtown Line - Monitoring of - 3 units of Sokkia Marina Bay MRT NET 11----mm II Total Contract Period: Tunnel for the Stations October 2008 to Present tunneling works of the Downtown Line

Contract C901 - 6 units of Sokkia - Monitoring of NET 11----mm II Total Contract Period: Station Stations 8 July 2008 to 26 August Construction at 2010 the Marina Bay Station 252525 Downtown Line Contract C905 Client: Tritech Contract C9118A - Monitoring of - 6 units of Sokkia Engineering & Testing Pte which includes existing CCL NET 11----mm II Total Ltd contract C902, Promenade MRT Stations C903 and C905 Station during Contract Period: the excavation 16 November 2007 to 15 and construction October 2013 of the Downtown (6 years foforr Downtown Line Station Line Contract 9118A) - Monitoring of - 333 units of Sokkia Shears Bridge NET 11----mm II Total for the tunneling Stations works of the Downtown Line Contract C902 - Monitoring of the - 6 units of Sokkia existing CCL NET 11----mmmm II Total Promenade MRT Stations Station and tunnel towards Nicoll Highway Station during excavation and construction of the Downtown Line Station - 444 units of Sokkia - Monitoring of the NET 11----mm II Total abandon tunnel Stations along Promenade MRT Station during construction of the Downtown Line

Contract C903 - 444 units of Sokkia - Monitoring of the NET 11----mmmm II Total existing East Stations West Line Bugis MRT Station during

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construction of the Downtown Line

262626 Serangoon Monitoring of existing - 444 units of SoSoSokkiaSo kkia Client: Gold Ridge Pte Ltd Central CCL Serangoon Station NET 11----mm II Total Development during construction of Stations Contract Period: the 4 – Storey with 2 19 August 2008 to 18 Basement Shopping - 4 units of Real February 2011 Complex Time Vibration Sensors Ground Instrumentation works during construction phase. 272727 Farrer Court Monitoring of existing Condominium CCL tunnel from Holland 4 units of Sokkia NET 11----mm Client: Morganite Pte Ltd Development Village to Farrer MRT IIIIII Total Stations installed Station during in the Circle Line from Contract Period: 11 construction of the Holland Village Station to August 2008 to 3 March residential development. Farrer Station. Including 2013 Ground Instrumentation 666 units of Real Time (232 weeks) works during Vibration Sensors. construction phase 282828 Novena Hospital Monitoring of existing Client: Suite NSL tunnel between 1 unit of Sokkia Tritech Engineering & Development at Novena and Toa Payoh NET 11----mm II Total Station Testing Pte Ltd Irrawaddy Road MRT station during construction of the Contract Period: medical suite 21 November 2008 to 20 October 2009 (12 months) 292929 Charlton Lane Monitoring of existing Client: Straits Condominium NEL tunnel between 1 unit of Sokkia NET 1 –––m–m Construction Co. Pte Ltd Development Kovan and Serangoon II Total Station MRT station during Contract Period: construction of the 3 November 2008 to 2 residential development November 2010 303030 Wilkie Road Monitoring of existing ClientClient:: Residential NEL tunnel between 1 unit of Sokkia NET 1 –––m–m Tiong Seng Contractor Development Little India and Dhoby II Total Station in North (Pte) Ltd Ghaut MRT station Bound of the NEL Tunnel. Contract Period: during construction of 4 April 2008 to 3 the residential December 2009 development (20 months) 313131 Hamilton @ Monitoring of existing 2 units of Sokkia Client: CAK & FG Survey Scotts NSL tunnel between NETNET----1111----mm II each in the Pte Ltd Residential Newton and Orchard North and South Bound Development MRT station during Tunnels, 282828 nos of Real Contract Period: construction. Time ElectroElectro----LevelLevel Beam 23 April 2010 to 22 April between Newton and 2011 Orchard MRT Station. (12 months) 323232 Downtown Line Monitoring of existing 4 units of Sokkia Client: CPG Laboratories Contract CC9161D9161D CCL tunnels between NETNET----1111----mm II, 2 units in Pte Ltd which includes Botanic Gardens to each of the Outer & contract C918 Bukit Brown Station and Inner Bound Tunnel. Contract Period: and C919 Flyover. 1 September 2009 to 31 August 2012 Real Time Instrument (36 months) Monitoring during construction phase.

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333333 Dorsett Monitoring of existing 1 unit of Sokkia Client: Residence @ EWL tunnel between NETNET----1111----mm II in the West Tang Hotel Investment Pte Outram Outram to Tanjong Bound Tunnels between LtdLtdLtd Development Pagar MRT station Outram to Tanjong Pagar 333 New Bridge during construction. MRT Station. Contract Period: Road 12 March 2010 to 23 August 2012 (128 weeks) 343434 Proposed Monitoring of existing Client: ErErErectionEr ection of 1 EWL tunnel between Manual Survey at West Carlton Properties Block 2727----StoreyStorey Tanjong Pagar to Bound Tanjong Pagar to (Singapore) Pte Ltd Hotel with 2 Outram MRT station Outram MRT Station. Basement during construction. Including 222 units of Real Contract Period: Carpark at Time Vibration Sensors. 13 May 2010 to 13 July Tanjong Pagar 2011 Road (Carlton Hotel) 353535 ER337 Upgrading Monitoring of existing 2 units of Sokkia Client: of the NSL tunnel from NET1NET1----mm II, 1 unit in South Soil & Foundation (Pte) Underground Orchard Station to Bound Tunnel & 1 unit in LtdLtdLtd Link between Newton Station. North Bound Tunnel. Orchard MRT Contract Period: Station and 23 November 2010 to 14 Tangs Plaza February 2014 363636 Proposed New Monitoring of existing Manual Survey at North & Client: Erection of a 4343---- NSL tunnel from Station South Bound Tunnel from ObayashiObayashi----WohWoh Hup Joint Storey Office to Station. Station to Station. Venture Building at 10 Including 444 units of Real Collyer Quay Time Vibration Sensors. Contract Period: 21 April 2008 to 20 April 2009 (12 months) 373737 Proposed ReRe---- Monitoring of existing 2 units of Sokkia Client: development to NSL tunnel at Somerset NET1NET1----mm II, 1 unit in South Lum Chang Building existing Hotel Station. Bound Tunnel & 1 unit in Contractors Pte Ltd Phoenix / North Bound Tunnel. Specialists’ Including 222 units of Real Contract Period: Centre at 277 Time Vibration Sensors, (i)(i)(i) Specialist Centre / Orchard Road both in South Bound Hotel Pheonix: Tunnel. 24 monmonthsthsthsths

(ii)(ii)(ii) Specialist Centre / Hotel Pheonix ––– Underpass: 33 months 383838 Singapore Power Monitoring of existing 1 unit of Sokkia Client: Building at 111 NSL tunnel from NET1NET1----mm II, in North Tritech Engineering & Somerset Road Somerset Station to Bound Tunnel Testing (Singapore) Pte Orchard Station. LtdLtdLtd

Contract Period: 15 November 2008 to 14 October 2009 (12 months) 393939 C937B Design, Monitoring of existing 1 unit of Sokkia NET1NET1----mm Client: Construction and Bartley viaduct along II, at road divider turfing GeoApplication Completion of Tai Bartley Road East and area below Bartley EngEngineeringineering Pte Ltd Seng Facility monitoring of existing viaduct. Building box tunnels within ETE 2 units of Sokkia Contract Period: area at Kim Chuan NET1NET1----mm II, 1 unit in each 16 December 2010 ––– 15

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Depot Basement 2. track of the box tunnel. December 2012 (2 years)

404040 Proposed Sewer Monitoring of existing 2 units of Sokkia Client: Diversion at CCL tunnel from NET1NET1----mm II, 1 unit in Inner Jin Choon Civil Lorong Bengkok MacPherson Station to Bound Tunnel & 1 unit in Engineering Pte Ltd & Paya Lebar Rd, Tai Seng Station. Outer Bound Tunnel. Matter Road, Ubi Client: Ave 2 and Bedok February 2011 to North Rd ––– February 2012 Contract 9081B Sewer Diversion Works (Package B) ––– Paya Lebar 414141 PPProposed Proposed Monitoring of existing 1 unit of Sokkia Client: Erection of a 55---- CCL tunnel from Paya NET1NET1----mm II, 1 unit in Inner Oxley Construction Pte Storey Lebar Station to Dakota Bound Tunnel. LtdLtdLtd Residential Flat Station. Including 111 unit of Real with an Attic at 74 Time VibratVibrationion Sensor. Contract Period: Lim Ah Woo Road February 2011 to August 2011 (5 months) 424242 Proposed Monitoring of existing 2 units of Sokkia Client: Additions & NEL tunnel at Dhoby NET1NET1----mm II, 1 unit in South Obayashi Corporation Alterations to Ghaut Station. Bound Tunnel & 1 unit in existing “Atrium North Bound Tunnel. Contract Period: @ Orchard” at Including 222 units of Real March 2011 to September 60A, 60B Orchard Time Vibration Sensor, 1 2012 (18 months) Road / Handy unit in South Bound Road and existing Tunnel & 1 unit in North “Plaza Singapura Bound Tunnel. Shopping CompleComplex”x” at 68 Orchard Road

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