Trust Mukwayiwa

Duties

• Contact management mines safety audits

• Systems integration

• Ensure system optimizations

• Ensure mines scales balancing and calibration according to certified data sheets

• Executed an automated ventilation on Demand concept via Ramjack on underground ventilation fans

• Executed digitalized underground tagging via Ramjack

• Executed a fiber backbone with minimum 150 managed switches

• Trucks, Loaders and human tracking through Newtrax automation concept

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• Newtrax server management

• Sandvik Auto mining network deployment

• Automation and control system loops and instruments management

• Design and development of project schedules and projects check sheets

• SCADA files installations on new control room clients

• VMWARE ESXi Hoist Installations

• Manage and attend cost meeting

• Attend production meeting with Management

• Attend mines planning meeting

• Carry out standbys ( Second call after instruments supervisors )

• Training of Junior Engineers

• Paste plants systems upgrades

• Fan starters power management

• Soft starters

• Variable speed drives

• RM06 Relays configurations and parameters adjustments

• Siemens 1500 series PLC programming

• Siemens 1200 series programing

• Virtual machines installation

• Migrate Intouch scada softwares from old to new desktops

• Rockwell controller upgrades and Firmware adjustments

• Siemens HMI display adjustments

Duties

• Installation of Berker/Icom radio base stations

• Leaky feeder communications underground

• Automation of crushers and conveyors underground

• Installation of Paste plant underground line dump valves

• Installation of Hikvision camera on all mines requirements points

• Fiber splicing underground and surface network infrastructure

• Density meters calibrations

• Valves strokes ,calibration and overhauling

• Installation of radios on trucks and LVs

• RSLogix 5000 PLC programming

• Studio 5000 programming

• Wonder ware InTouch development

• Scales calibrations

• Paste plants instruments maintenance

• Underground fiber backbone extensions

Duties

• Installed and wired canning line instruments

• Configured Danfoss drives for the canning line

• Install, wire and commissioning of packaging line

• Wire and commissioning of compressor instruments

• Installation and commissioning of Brew house instruments

• Water plant instruments installation and commissioning

• Installation and wiring of Siemens 1200 series PLC

• Profibus and RS 232 Communication protocols installation

• Loop tuning

• Speed and proximity sensors

• Conductivity meters

Duties

• Responsible for safe and effective maintenance of sinter plant ,Furnaces 01 and 02 ,Water services, pallet handling, raw materials, recovery section

• Enforce compliance with housekeeping, safety, health and environmental standards

• Problem Diagnostics ,recommending and effect plant modifications

• Overhauling, calibrating and repairing on plant instruments

• Programming of Siemens PLCs i.e. making of changes to the programs in relation to the plant changes and alterations

• Call out 24 hr. standby duties ( Call outs )

• Carrying out annual shutdowns

• Planning and carrying out planned maintenance schedules

• Identifying and recommending of plant critical spares

• Loop tuning of Industrial PID loops

• On job training of apprentices and attachment students

• Hot and cold commissioning of the plant after statutory stoppages

• Scales calibrations ( Thermofisher Microtech and Process Automation)

• Density meters calibrations ( Process Automation)

• Supervision of Instrumentation Artisans, Apprentices and attaches.

• System management and backups

• Maintain motor cimocodes

• Maintain ring networks on profibus network linking all the plant PLCs

• Quality control after annual shutdowns

• Perform min-max for instrumentation spares

• Tracking of Direct and special order to the system

• Maintain cake disc filters for cake production

• Perform loop upgrades when required

• Performed standbys when required

• Worked on arc Furnaces_ Manganese smelting

• Hydraulic power packs for tilting furnaces

• Crushers with ASRI SANDVIK HMIs

• Compressors

• Maintain the entire smelter centralized to Mitsubishi Plc.

Duties

• Trained on Electrolysis of water on Allen Bradley PLC

• Air separation Plant – production of Nitrogen gas

• Ammonia Synthesis Plant _production of ammonia( Ratio control systems mixing of hydrogen and Nitrogen

• Nitric Acid production _ Ratio control loops of Mixing air and gas (Rockwell controlled system)

• Batching and Dispatching _ weighing systems

• Air compressors Loading and Off Loading Omron PlC,setpoint protection of compressors BBC,Sulzer

• Boilers control systems and protection

• Overhauling and serving of control valves

• Configuration of Electronic micro processors

• Understanding of communication protocols , Ethernet , RS232 etc

• Major plant shutdowns

• Installation of flowmeters, Level transmitters

• Density meters

• Gas analysis instruments

Scales installation and calibrations

Duties

• Trained Blast Furnaces process and related instrumentation

• Sinter plant process and instrumentation

• Mills section process and Instrumentation

• Energy and Distribution section

• Coke ovens process and Instrumentation

• Steel plant Instrumentation and process appreciation

• Boilers control systems and protection

• Overhauling and serving of control valves

• Configuration of Electronic micro processors

• Understanding of communication protocols and PLCs appreciation

• Major plant shutdowns

• Installation of flowmeters, Level transmitters

• Gas analysis instruments

Scales installation