1st Geotech Thailand Conference (October 16-17, 2014)BS13 Itsaraphap StationIVS3WestboundBS12 IVS BS13 BS12 IVS BS13 Chaophraya RiverChaophraya RiverChaophraya RiverBS12 Sanam Chai StationEastbound5 Layers - Stiff to Hard Clay- Medium Dense to very Dense Silty/Clayey Sand- Mixed Ground Conditions due to the varying level of tunnel faGround water level : +86.5 mRL (2017)Predicted Piezometric Profileat the end of base slab construction (End of Y2019) : +87.6 mRLOr increasing = 87.6 – 86.5 = 1.10 m #*** Piezometric = 0.4415(Year) – 804.19
TunnelAlignment :Along Rama 9 Road and Ram Khamhaeng Road commercial area, old buildings, historic buildings o uncertaHeavy traffic roads with major public transport servicesKno unkno unduetc.Elevated Project• Area: Outer Ring (Suburban Areas)• Roads are wider and land is more open• Easier to build above ground• Advantages: • However: viewUnderground Project• Area: Inner Bangkok (City Center)• Roads are narrow with many tall buildings → not enough space above ground• Keeps the city clean and beautiful• However: times more) and construction takes longer
ภคพงศ ศิริกันทรมาศM R T P R O J E C TMRT GuidewayUnderground Elevatedภคพงศ ศิริกันทรมาศM R T P R O J E C TUnderground ElevatedMRT Station
SUMMARY OF KEY POINTS of CONTRACT SCHEDULE• 1,980 days (66 months) from commencement PAYMENT• Advance payment 10%• Interim payment by Monthly Progress Payment• 10% of each interim with the limit 5% of cost center valuesLIQUIDATED DAMAGES• 0.0025% per day for KD-1 to KD-6 (Interim KD) • 0.1% per day for KD-7 (Final KD) • Limit of liquidated damage 10%M R T P R O J E C TINSURANCE AND BOND• Construction All Risks (Cover Contract Price)• Third Party Liability (1,000 million per occurrence, unlimited occurrence)• Designer PII (600 million baht)• Workmen injury compensationBond• 10% Performance Bond• 10% Advanced Payment Bond• Oversea Manufacturer Bond (if any)• Retention bond to exchange with retention monies• Retention 10% of each payment, Limit 5% of Cost Center ValuesSUMMARY OF KEY POINTS of CONTRACT M R T P R O J E C T
Planning PeriodsProjectPlanning – Construction– As Built Construction 2. Construction (Work Programme)3. As Built Construction (Actual Work Done)Letter of Acceptance & SigningProject Started Pre Construction (Initial Programme)Project Completed Construction (Work Programme)As Built Construction (Actual Work Done)Construction PlanningTime Chainage Diagram Data Date LinePeriod work actual Remaining period work plan ProjectPlanning
Underground ConstructionM R T P R O J E C TUnderground ConstructionStation Tunneling IVS02 OR05WBEBW BEBEB BB
O R A N G E L I N E P R O J E C TConstruction MethodologyTop DownGuide wall ConstructionO R A N G E L I N E P R O J E C T
Construction MethodologyTop Down• Diaphragm Wall Construction• Barrette Pile and Stanchion ConstructionM R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop DownSteel Deck M R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop Down M R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop Down • Excavation to next levelM R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop Down • Commercial Level ConstructionM R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop Down• Concourse Level ConstructionM R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop Down• Upper Platform Level ConstructionM R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop Down • Base Level ConstructionM R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop DownColumn • Column construction from base slab to upper platform levelM R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop DownColumn• Column construction from upper platform level to concourse levelM R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop DownColumn• Column construction from concourse level to commercial levelM R T O R A N G E L I N E P R O J E C TConstruction MethodologyTop DownColumn• Column construction from commercial level to roof level M R T O R A N G E L I N E P R O J E C T
Construction MethodologyTop DownColumn• Cutting of D• Backfilling and reinstatementM R T O R A N G E L I N E P R O J E C TTunneling
M R T O R A N G E L I N E P R O J E C T Tunnel Boring (TBM)Credit : TerratecTunnel Boring Machine (TBM)
Tunnel Boring Machine (TBM)Earth Pressure Balance (EPB) Shield MachineO R A N G E L I N E P R O J E C TTunnel Boring Machine and Backup Facilities M R T O R A N G E L I N E P R O J E C TTunnel Boring Machine (TBM)Backup CarTBMTBM
TBM BodyM R T B L U E L I N E E X T . P R O J E C TTrailer TruckTrailer Truck RightSectionNo.1 No.2 No.3 No.4 No.5 No.1 No.2 No.3 No.4 No.5 Trailer Truck LeftO R A N G E L I N E P R O J E C T
Earth Pressure Balance Earth Pressure Balance
Low face support pressureLarge ground settlementHigh face support pressure: Earth Pressure Balance6.30 m5.70 mTunnel SectionTypical Tunnel Section
Ø 6300 mm (O.D.)
Tunnel Segment Lining Outer Diameter : Inner Diameter : Thickness Nominal Width Straight BoltTunnel Segment LiningO R A N G E L I N E P R O J E C T
Tunnel Segment LiningLeft Tapered Ring Right Tapered Ring(Type of Segment)Orange Line1,400M R T O R A N G E L I N E P R O J E C TRight Segment 1.43 m. 1.40 m.Left Tapered SectionRight Tapered Section6.30 m.M R T O R A N G E L I N E P R O J E C TTunnel Segment Lining
Tunnel Segment LiningLeft Hand Curve Straight (Segment Erection)O R A N G E L I N E P R O J E C TCross Section of Westbound TunnelTunnel DirectionTunnelIVS3TBMBS12 Sanam Chai Station
IV Shaft 3 Itsaraphap(BS13)Sanam Chai(BS12)TBM RemovalChao Phraya RiverEastbound TunnelingIV Shaft 3 Itsaraphap(BS13)Sanam Chai(BS12)Chao Phraya RiverDismantle of TBM
TMB Location for Maintenance Work
Storage CassetteExtensible Conveyor Belt SystemM R T B L U E L I N E E X T . P R O J E C T M R T O R A N G E L I N E P R O J E C T
Belt Support in Tunnel Belt Support in Cut and Cover TunnelExtensible Conveyor Belt SystemM R T B L U E L I N E E X T . P R O J E C T M R T O R A N G E L I N E P R O J E C TExtensible Conveyor Belt SystemHopperWork Schematic of Belt Storage Capacity Capacity 320 cu.m./hr.M R T B L U E L I N E E X T . P R O J E C T M R T O R A N G E L I N E P R O J E C T
Arrangement of Survey InstrumentsPrism Target in TBM Automatic Robotec Total Station Prism Target (Back sight)Monitor - Site Office/Work Shop - TBM Operation CabinetM R T O R A N G E L I N E P R O J E C TPhotographs for Tunnelling WorkManpower (per Shift)Tunnel Engineer 1 no.TBM Operator 1 no.Civil Forman 1 no.Electrical Foreman 1 no.Mechanical Foreman 1 no.Worker 16 no.WorkerErector Man 1 no.Erecting Ring Man 3 no.TBM Backup Man 4 no.Grouting Man 2 no.Bottom Shaft Man 4 no.Locomotive Operator 2 no.Total 16 no.M R T B L U E L I N E E X T . P R O J E C T
THANK YOU
MRTA Experience Shar SPEAKER18+ years of experience in MRT cons Project ExperienceMRT Blue line Extension Contract 2 MRT Orange line (East) Contract 2 (MRT Purple line South Contract 3, P MRT Purple line South Contract 5, D EducationMaster’s Degree in Construction Ma B.Eng. Civil Engineering, Prince of S
PROJEC MRT PURPLE LINE PROJECT TAO-PUN – RATBURANA (KANCHANAPISEK ROAD) SECTIONPMCSC1 Contract 1(Underground)Contract 2(Underground)Contract 3(Underground)PROJECT OVERPROJECT LOCATPurple Line ( Start of Purp End of Purpl Samut Prakan PBangkok
PROJECT ROUT Contract 1Underground CivilWorksContract 2Underground CivilWorks Und Chao Phraya RiverUNDERGROUND
ELEVATED CIVI PROJECT ROUT Royal Irrigation DepartmentSamsenRoad Ratchawithi RoadPracharat Sai 1 Road Vajira Hospital
PROJECT ROUT en RoadPhra Sumen RoadRatchadamnoen Road พระราม 8RatchadamnoenRoadNational Library Station Wat Bowonniwet Vihara ป้อป้มมหากาฬ PROJECT ROUT 3 Intervention Shaft--------Approximate length3.12 km.Contract 3(Phan Fa Station - Memorial Bridge Station)
PROJECT ROUT 2 Stations1 Intervention Shaft3 Vention Shaft--------Approximate length4.12 km. Contract 4(Memorial Bridge Station - Dao Khanong Station)PROJECT ROUT 7 Stations4 Park & Ride+1 Stabling Yard--------Approximate length9.34 km.Contract 5(Dao Khanong Station – Khru Nai Station)
PROJECT OVERElavated StationEntrance 1No. of sta Entrance o Entrance 4
PROJECT OVERPark & Ride Bang Location : Pan Building : 10 S Park & Ride Bang Location : Pan Building : 8 St Park & Ride Rat B Location : Rat Building : 10 S Park & Ride Rat B Location : Rat Building : 10 S 4Park & Ride OverviewParking lot : 572 Parking lot : 1,37 PROJECT OVER Avg. Area No. of trac
PROJECT MANAPublic relations and C Coordinationwith the communityw PROJECT MANATra
PROJECT MANASafety PROJECT MANACleaning
PROJECT MANAEIA Water Spraying in the Construction AreasCleaning the Public Road By VacuumSweeper TruckCleaning the Public Cleaning in the constru PROJECT MANACCTV
Conceptual :Erection of Via Sharing topics : Viaduct SegmenTransportation 01 0
1. Contin - - End - T TransportationViaduct
TransportationTypes o type of span g, for its weig Lifting a TransportationMoving segment by Travel Lift machine
Locking TransportationReadine TransportationCheck vehicle readiness and segment fastening
Rest sto TransportationRest stop beforeWang Noi Rest Stop Link: https://maps.app.goo.gl/CMBUTccAbrnLiDHF9Traffic Transportation
During Transportation During Transportation
During TransportationFront Escort Vehicle Prepare Transportation are(In com and
Installation Pier S
Installation Pier SPrepare the area for thePierSegment crane at the Colum be lifted.Step 1 ERECT Place the Hydraulic Jack at the Pier Segment supportposition.Installation Pier SERECT Step 3
Installation Pier SERECT Step 5 Lift the Lifting frame that will be used to lift the Pier segment.Fasten the Lifting frame with PT bar to the Pier segment.Installation Pier SERECT Step 7 Place the Pier segment on the Hydraulic Jack.Arrange Alignment & Level of Pier segment by survey