Slurry mix wall (for noise restrictions/obstructions) grab excavation to full depth, fill with cement or bentonite mix, drop and hold sheet piles in place.Excavation 1 panel (4.5 m long on plan) with grab and crane.Excavate 1 panel in 2 days + 1 day ...
Sheet Piling On reclamation, sand fill, sheet piling by crane and drop hammer, vibro hammer or diesel hammer.A rate of 20 - 25 No/day to 20 to 35 m deep.1 no = 0.4 m wide on plan and 6 m long.Therefore 8 - 10 m/day per rig is achievable.On more diffi...
Loose from side of excavation, including compaction (m3/hr)... Material Ne 100m 100-200mm 200-300mm exc 300m Loose Sand/Soil 0.85 1.02 1.28 1.69 Clay/Heavy Chalk 0.77 0.92 1.16 1.56 Hoging 0.81 0.97 1.20 1.61 Hardcode 0.71 0.84 1.06 1.41
Installation of temporary traffic decking, consisting of steel beam decking and concrete panels. A typical rate of = 1.6 m2/hr.
To setup a cofferdam dewatering system, including boring, pump installation and outflow pipework and drainage tanks etc, typical rates are...Small 2 hole system, for an overrun tunnel, with a single drilling rig takes about 7 - 10 days to get up and ...
A typical rate of 3 days per instrument can be used to calculate detailed ground monitoring scenarios.
Vertical Grout Curtain Application of grout curtain. A typical rate of 6.20 hrs/m run.
Machine Rail Mounted Hydraulic Grab Rate of 30 - 50 m3 of sand per hour (dependant upon depth), with 1.5 m3 made (2.0 m3 bucket) with each machine lift. Giving a required lift rate of 2.4 mins. A rate of 37 m3/hr (per rig) was achieved on HK Station ...
Tender rates are often quoted as between 20 and 25 m3/hr. With adequate supervision and sufficient loose spoil material supplied to the crane drop area, these rates can easily be increased. Grabs mounted on crawler cranes, rates depend on... Depth of...
Tractor with backactor, Massey Ferguson or JCB.3 has a 0.3 m3 bucket. Smaller 360 degree excavator has a 0.4 m3 bucket. JCB.6D, Liebherr 400, Hymak 580 or typical 360 degree machine has a 0.5 m3 bucket. 360 degree excavator machine has a 0.6 m3 bucke...
Wagon sizes and tonnage capacities vary and should be taken into consideration. Rock = 2.5 T/m3 Concrete = 2.4 T/m3 Landfill / CDG = 1.9 T/m3 Sand = 1.8 T/m3
Ground Excavation Rates (m3/hr):Ground TypeBucketBulk WorksBasementsTrenchesSmall & DeepSand/Soil0.3m38.78.07.18.4> 0.4m328.515.425.010.0 0.5m350.020.028.613.3Gravel0.3m37.16.96.14.5 0.4m325.914.322.28.7 0.5m340.018.128.611.1Clay/Chalk0.3m37.16.56.14...
Excavate Spoil Heaps and Load to Transport (m3/hr): Material0.6 m30.8 m31.0 m31.2 m3Sand/Soil20.025.630.335.7Gravel20.425.631.337.0Clay/Chalk18.523.227.833.3Boulder Clay16.921.324.430.3Note:0.6m3, 0.8m3, 1.0m3 and 1.2m3 are excavator bucket capacity....
Removal / Transportation Of Spoil By Barge: The size, getting material to the facility, location and movement restrictions of the barge loading facilities are critical to production. A 2,000 m3 flat bottom barge, could easily be loaded 1.5 times per ...
Removal / Transportation Of Spoil By Conveyor: The size and location of the conveyor are critical to production and should be sized according to the most critical peaks in excavation. There are the following parameters to select... Max excavation per...
Modification of an existing 6 m high elevated canal. Normal canal is 12 m in width, to allow single passing on bridge/aqueduct structures, a 5.5 m minimum width is required. Normal depth of water is 1.3 m. Some 4 number "V" shaped piers on 1,200 mm b...
Pre-cast concrete blocks that support standard steel tracks. They are used to reduce noise and vibration as the pre-cast track slab blocks are placed on resin pads (4 no per unit), held in place by fixed side and end restraint blocks. Side restraints...
Asphalt coatings to prepared concrete surfaces, usually undertaken with a 3 man gang. Horizontal Surfaces = 210 m2/wk Vertical Surfaces = 85 m2/wk
Brush applied coatings (tretol etc) to prepared concrete surfaces. A two coat application = 5.0 m2/hr A three coat application = 3.5 m2/hr Sheet materials (bituthene etc) fixed to prepared concrete surfaces. Horizontal Surfaces = 4.0 m2/hr Vertical S...