CMP-Thames Ltd | Liverpool Cruise Liner berthing structure
CMP were contracted to install 8nr +2m dia tubular steel mooring piles and 2nr +2m dia tubular steel dolphin piles to support Liverpool Cruise Liner berthing structure.
marine piling, marine construction, diving, cofferdams, jack up
16070
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LIVERPOOL CRUISE LINER BERTH

About This Project

CMP were contracted to install 8nr +2m dia tubular steel mooring piles and 2nr +2m dia tubular steel dolphin piles to support Liverpool Cruise Liner berthing structure.

Works Description
  • Dismantle and dispose of old timber mooring structure
  • Exploratory boreholes taken at pile positions using jack-up barge to establish ground conditions
  • Jack-up barge with drilling rig towed into pile position
  • 2.4m temporary pile casing lifted into position using crane barge and vibratory driven to refusal
  • 2.3m rock socket drilled through temporary pile casing (deepest socket approx. 11m)
  • 40m+ tubular steel pile weighing 90-100 tonnes lifted into rock-socket and secured
  • Grout poured between temporary pile casing and permanent pile
  • Temporary pile casing removed over pile head

Plant hire: Jack-Up barge. S-50 ‘Z-Jack General’

The “Z-Jack General” is a four leg hydraulically operated self-elevating platform, designed for inshore or sheltered water operations with a maximum depth of 24 metres at mean water. A local control unit positioned at each leg allows for individual operation of legs.

The legs have a number of jointed connections that allow different lengths to be utilised to suit the task and site requirements. The entire Jack-Up barge consists of modular sections that can be road transported and assembled on site.

Technical details

  • Platform dimensions 21/15 x 15 x 1.52m
  • Draft 0.8m
  • Dead Weight 200 Tons inclusive of all fuels and legs
  • Gross Tonnage 103
  • Building Year 1989
  • Clear deck capacity 144 metres squared approx.
  • Deck Capacity 100 Tons 20m above seabed

Jacking system details

  • Type 4 Legs Hydraulics
  • Lifting Capacity 2 x 42 ton jack per leg
  • Maximum Stroke 0.6m
  • Leg length 22.3m
  • Leg diameter 762mm (30″)
  • Maximum working pressure 2000 PSI = 144kg/cm
  • Power Pack 5 Cylinder deutz x 2
Project

Liverpool Cruise Liner Berth

Location

Liverpool

Client

Balfour Beatty

Value

£ 1,750,000

Date
Category
Coastal, Marine, Piling, Plant Hire, Rock Socketed Pile Installation
Tags
Marine Engineering, Piling, Rock Socketed Pile Installation