HICL Quality Control System

Dredger Building in HICL Dredger Shipyard

1, Material Purchasing   

Checking the Business License and Registration Certificate of Suppliers.

Using calipers to test the thickness of steel plate. 

Using sclerometer to test the hardness of the steel plate. 

2,   Pontoons Welding 

Using welding failure detector to inspect the welding quality.

3,   Equipment Assembling

All the equipments on the dredger should be well-know brand including Cummins engine, Siemens PLC, Japan Yuken Hydraulic valve block.

Using three dial gauges to adjust the concentricity of engine, gearbox and pump.

All the electric lines are concealed wiring type.

All the Hydraulic pipes are pickled three times.

4, Dredger Painting

All HICL Dredger construction parts are of shot blasted plate with shop primer. Dredger after construction and assembly all rusty surfaces, welding spots and damaged shop primer will be cleaned and coated with primer.

The painting of machine parts, readily supplied by third parties will be cleaned and touched -up in the original color. 

Color scheme according to owner‘s specification. 

5, No-load Testing

All the main equipments, including Engine, Gearbox, Pump, Hydraulic  system, Electric system, are tested for at least 2 hours in factory.

All the suppliers of the main parts should be on the spot to solve any problem.

6, Dismounting and Packing

All the parts are marked before dismounting. 

All the small parts are put into packaging box with a packing list.

All the hydraulic pumps and pipes joints are packed by plastic wrap.

Every part ( no matter how small ) is registered on the packing list.

7, Delivery

All the big parts are fixed in the containers by wires.

Before delivery, all the persons in charge should sign and make sure all the equipments are in good shape.