PROJECTS

 

CARBON STEEL ABSORPTION TANKS - FABRICATION & INSTALLATION

  • 170 m³ per Tank

  • According to API 650

ROCK BREAKER REFURBISHMENT

  • Restoring the rock breaker to original manufacturer’s specifications.

  • Repair, rebuild, straighten, and machine all clevis and pin joints.

  • Design and fit covers to protect Hydraulic pipes.

CRUSHER CONVEYOR - FABRICATION & INSTALLATION

  • Fabrication and installation of 3 conveyors on a crushing plant.

  • Installation of all stringers & commissioning of the conveyor.

  • A 14m high structure was built to house the “stack- sizer” for further separation after the ball mill plant.

  • A cyclone/clarifier structure was built to house a water cleaning facility to recycle the water of the DMS plant for re-use.

  • Structures were pre-fabricated in the workshop transported to the mine, blast and primed onsite and then erected by the team.

SULPHURIC ACID STORAGE TANKS

  • Tank dimensions - 24m in diameter, 18 m height.

  • Included a staircase for access to the roof of the tank.

  • According to API 650 standards.

  • Constructed with top down approach.

DENSE MEDIA SEPARATION STRUCTURES

  • Fabrication & erection of 45 ton structure for a Dense Media Separation plant.

  • Steelwork was fabricated in our Walvis Bay workshop and transported to site where it was erected.

  • Kraatz also installed mechanical components such as screens, cyclones, chutes & pumps.

CONDITIONER TANK FABRICATION

  • Fabrication & erection of conditioner tank.

  • Tank - 18 meters long and 5.5 meters in diameter.

  • Total tank weight - 36 ton.

DRILLING FLUID FACILITY

  • Assembly and installation of pressure piping.

  • Tank installation.

  • According to API 650 standards.

LEACH TANK REFURBISHMENT

  • From shell replacement, floor replacement, blade replacement to fitting and alignment of the gearbox and motor.

MAIN ENGINE CHANGE OUT ON DC PROPELLED VESSEL

  • A comprehensive rigging plan was developed.

  • Pad eyes were fitted and NDE inspections were done on all lifting points.

  • All items removed were replaced, tested, and successfully completed.

SYNCRO LIFT REFURBISHMENT

  • Kraatz was contracted to refurbish the 2000 ton lifting capacity Syncro Lift.

  • Scope of work included the steel structure, deck wood and all mechanical components such as gearboxes, winches and sheaves. Total weight of the structure is 400 ton.

  • Sections weighing between 20 and 55 tons were removed, inspected, repaired, blasted, painted and reinstalled.

  • Total surface area of 5200 m2 was treated with a high build epoxy system.

  • 22 gearboxes and 132 sheave wheels were inspected and overhauled with identified components replaced.

  • Over 40 tons of steel was replaced and 90 m3 of deck wood was dismantled and re-installed in a new and improved configuration.