Cut and Fill Production Rates in Railway Station Construction

Cut and fill operations for railway stations represent complex earthworks requiring precise planning and execution. Production rates vary significantly based on ground conditions, station depth, environmental constraints, and equipment selection. Modern GPS-guided equipment and 3D modeling have improved efficiency, with some projects achieving movement rates of up to 5,000mÂł per day under optimal conditions. Station box excavations typically require careful staging due to temporary works requirements and adjacent infrastructure constraints.

Key Statistics:

  • Average bulk excavation: 2,000-3,000mÂł/day
  • Structural excavation: 800-1,200mÂł/day
  • Fill placement: 1,500-2,500mÂł/day
  • Maximum recorded rate: 5,500mÂł/day
  • Typical station box volume: 100,000-250,000mÂł
  • Average compaction rate: 1,000mÂł/day
  • Typical depth: 12-20m
  • Material reuse: 40-60%

AUSTRALIA REGION

Country City Project Ground Type Volume (mÂł) Depth (m) Production (mÂł/day) Months Start-End Contractor Source
Australia Sydney Victoria Cross Sandstone 240,000 25 1,800-2,200 18 Mar20-Sep21 John Holland Sydney Metro
Australia Melbourne Anzac Station Melbourne Formation 380,000 22 2,200-2,800 24 Jan19-Dec20 CYP JV MTIA Data
Australia Brisbane Roma Street Brisbane Tuff 180,000 18 1,500-2,000 15 Apr21-Jul22 CPB CRR Reports
Australia Perth Airport Central Sand/Clay 150,000 15 2,500-3,000 12 Jun20-Jun21 Multiplex PTA Records
Australia Sydney Waterloo Sandstone/Clay 220,000 20 1,800-2,400 16 Aug19-Dec20 John Holland TfNSW Data

ASIA REGION

Country City Project Ground Type Volume (mÂł) Depth (m) Production (mÂł/day) Months Start-End Contractor Source
Singapore Woodlands TEL Station Old Alluvium 290,000 28 2,000-2,500 20 May20-Dec21 Samsung C&T LTA Data
Hong Kong Central Admiralty Ext Granite 320,000 30 1,500-2,000 26 Feb19-Apr21 Gammon MTR Corp
Japan Tokyo Shibuya Mudstone 180,000 24 1,800-2,200 16 Jul20-Nov21 Taisei JRTT Docs
China Shanghai Longyang Rd Soft Clay 260,000 22 2,400-2,800 18 Mar20-Sep21 CREC SMRC Data
Malaysia KL Sentral Kenny Hill 210,000 25 1,900-2,300 19 Sep19-Apr21 MMC-Gamuda MRT Corp

EUROPEAN REGION

Country City Project Ground Type Volume (mÂł) Depth (m) Production (mÂł/day) Months Start-End Contractor Source
UK London Liverpool St London Clay 280,000 28 1,800-2,200 22 Jun19-Apr21 Laing O’Rourke Crossrail
France Paris Line 15 Limestone 240,000 26 2,000-2,400 20 Apr20-Dec21 Bouygues SGP Data
Germany Stuttgart S21 Gypsum/Limestone 350,000 25 2,200-2,600 24 Mar19-Mar21 Hochtief DB Reports
Spain Barcelona Sagrera Granite 190,000 20 1,700-2,100 18 May20-Nov21 FCC ADIF Docs
Italy Rome Metro C Volcanic Tuff 170,000 22 1,600-2,000 16 Aug20-Dec21 Astaldi Roma Metro

 

 

Production Rate Analysis by Activity:

Bulk Excavation:

  1. Open Cut Method:
  • Soft ground: 2,500-3,500mÂł/day
  • Mixed ground: 2,000-2,500mÂł/day
  • Rock: 1,500-2,000mÂł/day
  1. Staged Excavation:
  • Top down: 1,000-1,500mÂł/day
  • Bottom up: 1,500-2,000mÂł/day
  • Island platform: 800-1,200mÂł/day

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Note 1: Production rates are indicative only.

Note 2: Rates vary based on:

  • Ground conditions
  • Water table
  • Access constraints
  • Environmental requirements
  • Working hours
  • Equipment availability

Note 3: Volume calculation formula:
V = L Ă— W Ă— D Ă— BF, where:

  • V = Total volume
  • L = Length of excavation
  • W = Width of excavation
  • D = Depth of excavation
  • BF = Bulking factor (1.2-1.5)

Influencing Factors:

  • Ground conditions
  • Groundwater control
  • Temporary works
  • Site access
  • Material disposal
  • Environmental controls
  • Weather impacts
  • Urban constraints

 

 

Production Analysis by Ground Type:

Soft Ground:

  1. Sand/Clay:
  • Bulk excavation: 2,500-3,000mÂł/day
  • Detailed excavation: 1,500-2,000mÂł/day
  • Support installation: 200-300m²/day
  1. Mixed Ground:
  • Bulk excavation: 2,000-2,500mÂł/day
  • Detailed excavation: 1,200-1,800mÂł/day
  • Support installation: 150-250m²/day

Hard Rock:

  1. Sandstone/Granite:
  • Bulk excavation: 1,500-2,000mÂł/day
  • Detailed excavation: 800-1,200mÂł/day
  • Support installation: 100-150m²/day

Duration Factors by Project Size:

Small Stations (<200,000mÂł):

  • Mobilization: 1-2 months
  • Main excavation: 8-10 months
  • Detailed excavation: 2-3 months
  • Total: 12-15 months

Medium Stations (200,000-300,000mÂł):

  • Mobilization: 2-3 months
  • Main excavation: 12-14 months
  • Detailed excavation: 3-4 months
  • Total: 16-20 months

Large Stations (>300,000mÂł):

  • Mobilization: 3-4 months
  • Main excavation: 14-16 months
  • Detailed excavation: 4-5 months
  • Total: 20-24 months

Equipment Productivity:

  1. Excavators:
  • 50t: 800-1,000mÂł/day
  • 70t: 1,200-1,500mÂł/day
  • 85t: 1,500-1,800mÂł/day
  1. Trucks:
  • 30t: 250-300mÂł/day
  • 40t: 300-350mÂł/day
  • 50t: 350-400mÂł/day

Support Requirements:

  1. Temporary Works:
  • Sheet piling: 100-150m²/day
  • Soldier piles: 4-6 piles/day
  • Ground anchors: 6-8/day
  1. Dewatering:
  • Well points: 15-20/day
  • Deep wells: 1-2/day
  • Recharge wells: 2-3/day

 

 

 

 


Other production rates – Indicative only

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