One of our clients in Vietnam needed a range of our IHS Stressing Equipment for their project. Included in this order was custom designed hydraulic noses to suit their specific strand pattern. This system enables positive wedge seating which reduces the amount of strand tension loss. Check out the video below.

Equipment Supplied

• 2 x IHS 350T 10" Multi Strand Jacks with Hydraulic Nose
• 4 x IHS 150T 10" Multi Strand Jacks with Hydraulic Nose
• 4 x IHS 4kW Stressing Pumps
• 52 x IHS Multi Strand Wedges
• 12 x 4m High Pressure Jacking Hoses

Two custom made hot water units completed and ready for delivery.

Specifications

• 150 litre capacity
• Designed and manufacture to AS 1210, Class 2B pressure vessel code
• Main shell constructed from Incoloy 825
• 2 Heaters
• 1 Thermostat
• Custom made BSPP inlets & outlets
• Calibrated gauge
• Hydrostatic and Radiogrpahic testing on both units
• 25mm industrial insulation

McMillan Engineering Group has supplied two Transfer Beams for the Level Crossing Removal Project in Murrumbeena. The transfer beams are installed as a protection deck over the rail below. Both the elevated rail spans and the main carrier are transferred over the top of the transfer beams.

Transfer Beam Details

• Over 130 tonne of steel
• Over 8400 bolts
• Each beam is over 17 metres long x 7.2 metres wide

Synchronised Lift System

• 500T Capacity / 60mm lift
• 690 bar maximum operating pressure
• Individual pressure gauge
• Individual bleed down valves
• Low/High pressure option
• 10m hoses

A completed custom WCB Acid Tank completed to the clients unique specifications.

Custom Tank Details

• Ø2.6m x 4.6m high
• Designed and manufactured to API 620
• Fluid -  60% W/W Nitric acid
• Design pressure - +6/-1 kPa
• Design temperature - 60°C
• Volume - 22.6m³
• Material - 304L Stainless Steel

Tilt Table Cylinders assembled, tested and painted ready for delivery. McMillan Engineering Group designed these cylinders to suit a very specific application with variable forces and limited space taken into consideration.

Cylinder Details

• Quantity - 6
• Double acting, hydraulic return
• Ø160mm Bore
• Ø100mm Rod -  hard chrome plated
• 3200mm Stroke
• 110 bar Working pressure
• 22.6T Extension force
• 13.7 Retraction force
• External linear transducer providing constant feedback
• Spherical bearing at both ends
• Manifold block fitted with an accumulator, directional control valves, pressure relief valves, flow control valves, pressure transducers, pressure gauge point & test points

This purpose built test bench was engineered to meet the clients exact requirements. McMillan Engineering Group manufactured, assembled, delivered and commissioned the unit.

Designed to with two PSV test stations to suit ANSI flange valves and 3/4" NPT Valves, with a maximum test pressure of 12,500kPa.

The test bench incorporates the following features.

• Two 50L high pressure storage vessels
• Eight separate pressure gauges to suit a wide range of tests
  
• Mechanically adjustable clamping arms
• Hydraulic clamping force
• Hydraulically intensified air pressure
• 12mm Polycarbonate shields
• PLC Control system
• 250kg Davit arm crane

This tank was custom designed and manufactured to meet the clients specific requirements.

Features

• Passivated 304 stainless steel construction
• Designed to meet AS 1692
• Designed to meet AS/NZ 1170.2 wind and AS/NZ 1170.4 seismic requirements
• 8,900 Litre capacity
• Design temperature - 70°C
• Design pressure - Atmosphere
  
• Float valve
• Man hole

Features

• 10T Capacity
• 500mm x 500mm Window
• Top & bottom platen temperature control with digital readout
• Adjustable force with digital readout
• Air powered HPU
• Heating overload safety switch
• Fully programmable control box

The Port Miami Tunnel Project formed two 1.2km, 2 lane tunnels to form an alternative link to Dodge Island via the MacArthur Causeway on Watson Island.

McMillan Engineering Group supplied eight 300T double acting safe rams to facilitate the lifting of the 13.1m diameter tunnel boring machines. Via the use of internal porting we were able to design these rams with 150mm stroke and only 430mm closed height.

Specifications

• 301T Lifting capacity @ 690 bar
• 150mm Stroke
• 600T Capacity mechanical lock ring
• Double acting
• Spherical load cap
• 430mm Closed height
• NATA Force Calibration

McMillan Engineering Group were contracted to design, manufacture and supply a wide range of custom cylinders, power units and hydraulic accessories for the Urban Superway Project in Adelaide, South Australia.

Cylinder Details

Features

• 13,000kN Capacity
• 690 bar Operating pressure
• Tr498x14 Internal thread
• To suit 50 strand Anchor Head
• 10 Individual jacks, all fitted with PRVs

McMillan Engineering Group, then trading as Industrial Hydraulic Services were responsible for the complete design, manufacture and supply of the 20T Mooring Winch System, 30T Double Drum Derricking Winch System, 420T Luffing Cylinders and the 700HP Hydraulic Power Unit.

Details:
30T Double Drum Derricking Winch System

• Hydraulic motor
  
• Proxy rotation sensor
  
• Pawl safety lock
  
• Hydraulic disc brakes
  

20T Mooring Winch System

• Total of 6 winches
• Hydraulic motor
  
• Pawl safety lock
  

Luffing Cylinders

• Ø500mm Bore
  
• Ø200mm Rod
  
• 3000mm Stroke
  
• Hard chrome plated rod with ceramic densification
  
• 500T extension force / 420T retraction force
  

Hydraulic Power Unit

• Diesel powered
• Total of 700HP
• PLC control system
• Fully programmable remote control

The Australian National Construction Review featured this project in their magazine. Click on the button below to download an extract.

Once this project was completed the system was redeployed to dismantle the old berth wall next to Sydney Ports’ Marine Operations Centre at Moore’s Wharf. 

Click here to go to the Port Authority of NSW website for more details.

Custom designed and manufactured to meet our customers specific needs. Not only did we manufacture this Launch System Power Unit, we also refurbished the customers existing Launch Cylinders, fitted rotary transducers and pilot operated check valves.

Custom HPU Features

• 15kW
• 250 bar
• 35 lpm
• 200l Reservoir
• Two speed extension
• Digital readouts for rotary transducers

Lift Cylinder Refurbishment

• Polish piston rod & inner
• Re-seal
• Re-paint
• Hydrostatic pressure test
• Pilot operated check valve fitted
• Rotary transducer fitted

Custom designed pressure vessel with press cylinder incorporated. Also included a split system hydraulic power unit, Intensifier and Tie Rod Tension Cylinder.

Pressure Vessel

• 60 MPa Pressure rating
• 0-100°C Operating temperature
• 700 litre Capacity
• Ø800mm Inside diameter

Hydraulic Power Unit

• 4kW / 2.3 lpm / 600 bar High pressure / Low flow
• 1.1kW / 25 lpm / 3 bar Low pressure / High flow
• 1000 litre Reservoir

Intensifier

• 690 bar
• Screw type
• 400mm Stroke

Press Cylinder

• 690 bar
• 200T Capacity
• 100mm Stroke
• Double acting
• Pressure relief valve
• Flange mounted

Tie Rod Tension Cylinder

• 690 bar
• 300T Capacity
• 60mm Stroke
• Ø113mm Centre hole
• Double acting

McMillan Engineering Group designed & manufactured this complete Stress Bed System to meet the customers unique specifications. To increase the efficiency of the system the client requested that the lock rings for the double acting safe rams be mechanically operated. This allowed the client to operate the system without having to have an operator manually lock off the rams for each stress.

Features

• Ø553mm Bore
• Ø355.6mm Rod with hard chrome coating
• 1575mm Stroke
• 860T Capacity @ 350 bar
• 8 Extension ports & 6 retraction ports
• Bolted end caps