Malvern Tavarwisa
Nelspruit,MP
Summary
Surveying professional with extensive experience in managing and executing detailed land surveys. Proven ability to lead teams and ensure project accuracy and compliance. Reliable and adaptable, committed to achieving precise results and fostering teamwork.
Overview
20
20
years of professional experience
Work History
Chief Surveyor
Katanga Contracting Services
01.2018 - Current
- Control Costs in area of responsibility
- Protect company assets
- Prepare certificates for work completed against contracted rates
- Render the right service first time
- Maintain and improve relationships with key stakeholders
- Interact with customer and familiarize yourself with operational concerns and any inherent peculiarities (e.g. QHSE)
- Translate client’s objective and demands into mining plans
- Participate in QHSE performance reviews
- Comply with QHSE, legislative and functional requirements
- Ensure understanding of and compliance with legal and client requirements
- Report all QHSE incidents
- Comply with the emergency preparedness and response procedure requirements
- Ensure compliance with PPE requirements
- Aptitude for excellence in organization and demonstrable ability to work as part of a busy team are essential
- Timeous feedback to internal and external customers in terms of reporting.
- Ensure continuous production by providing design parameters in time for the operational teams.
- Provide all open pit mining progress evaluations vs design with the calculation.
- Maintaining accurate plans of mines as a whole and will create and update maps
- Measure the areas and volumes blasted by the underground crew
- Measure the quantity of work done and calculate the contractual earnings
- Measuring process to calculate production from the mining operation
- Take samples to determine the viability and profitability of the mine, and provide valuations of mineral deposits
- Taking accurate measurements, which will then be manipulated and turned into a usable map
- Technical Software used: Model Maker, Gemcom, AutoCAD, Datamine, Trimble business, Real works & Surpac
- Instruments Used: Trimble GPS R8, R10 and R12 Trimble 3D Laser Scanner(X7), Isite 4400 LR Scanner, Leica GPS1200, Leica Total Station 1200, Sokkia Total station set B 2, Optical theodolites T2 &T16
Survey Manager
Maltech Survey Solutions
01.2016 - 01.2018
- Topographic survey for designing purposes or routes or an area where construction project will commence outlining all features natural and manmade. Topo survey is also carried out on finished projects so as to produce an asbuilt plan.
- Installation of permanent benchmarks
- Setting out and level control at the beginning of the project and during construction or mining. Marking positions of manholes and depth of trenching to the invert of the pipe on sewer lines both bulk and reticulation. Staking bends, valves and hydrants positions for water lines. Setting out the dimensions and orientation of structures including vertical alignment. Setting out road alignment clearly marking curves, bell mouths, V drains and culvert positions.
- Subdivision survey and identifying property boundaries.
- Bulk earthworks level control and calculation of the volume moved.
- Process raw data and present it through reports, plans and charts.
- Kudhumba Consult: KM4 truck terminal Ressano Garcia - Setting out and alignment of concreted bolts where a steel work structure was going to sit.
- SML Projects: Karino water works - Level control during the construction of water treatment plant
- TTTB Supplying and Construction: Wonderboom military base - Setting out of column positions during the renovations of the mess
- Lekhotla Construction: Rama city Ex 10 - Setting out, level control and asbuilt survey for 17.5 km sewer reticulation ,5km bulk sewer and 5.2km bulk water
- Sakum Housing: Umbulwane housing project - Setting out, level control and asbuilt survey for 4.5 km sewer reticulation ,2.5km bulk water and 4.8 km road
- Agr Eng Consulting: Zamsaf farm - Topo survey for an irrigation design
Senior Surveyor
Diesel Power Opencast Mining
01.2014 - 01.2015
- Ensuring that the survey department complies with the safety standards and procedures for Diesel Power.
- Controlling levels on all loading and dumping areas, ramps, and on all construction work done.
- Stacking out of mining guide lines and continuous monitoring for disturbances and deviations so as to avoid rework.
- Responsible for drawing and updating mining plans, traffic management plans and emergency evacuation plans.
- Involved in short term planning and ensuring that production crew mine priority blocks so as to achieve monthly target within agreed mining plan.
- Designing drill patterns, setting out drill holes and measuring the collars of the drilled holes.
- Setting out hazards for example old workings, shafts and drives and issuing mining notes clearly showing the position of the hazard.
- Setting out batter boards so as to ensure that all final walls are mined to the limit and battered to the desired angle.
- Weekly and Monthly Surveys (pick-ups) of the areas that are mined for calculating volumes.
- Building and updating 3D survey Models and calculating volumes continually.
- Comparing month-end volumes with the client surveyor and signing off month-end certificate on agreed volumes.
- Client: African Copper Mine, Thakadu and Mowana Mine
Senior Surveyor
Exxaro
01.2013 - 01.2014
- Weekly and monthly surveys and calculation of volumes moved from the pit
- Compilation of weekly and monthly survey reports of the volume moved.
- Develop, implement and monitor survey systems to ensure that mining comply with approved designs and follow standards and procedures.
- Ensure that survey operations are carried out as per the survey code of practice and at optimum costs.
- Overseeing the stacking of all guide lines and drill patterns and highlighting deviations from the designs timeously to avoid rework or over mining.
- Setting out batter boards so as to ensure that all final walls are mined to the limit and battered to the desired angle.
- Building and updating models monthly for the month-end.
- Client: Mayoko Iron Ore Mine
Survey Manager
MCC Group of Companies
01.2011 - 01.2013
- Responsible for a survey department which had two teams of six, each lead by a surveyor.
- Worked hand to hand with the production manager so as to optimise the operation of Modular dispatch system. Checking the distributing of trucks to excavators making sure that the bucket doesn’t hang or the excavator is not over trucked. Checking for proper reporting and recording of breakdowns and analysing the response time for the mechanics. Generating production reports with all the starts efficiency, availability, down times, nature of breakdowns, dig rates and production figures from Modular system.
- Plan and organize survey activities so as to ensure that tasks are evenly shared between the teams and they are executed accurately in a manner that minimizes disruption to mine production.
- Responsible for survey control during the construction of slimes dam walls ensuring that they are tipped in 2.5 meter lifts where compaction was done and compaction tests carried out.
- Setting out the limits of the walls per level and controlling the slopes with batter boards. Drawing up sections and plans superimposing the design and the actual for signing off each level so as to be allowed to construct the next level.
- Checking if all the working faces are measured during weekly and monthly surveys.
- Processing field pick-ups, building and updating 3D models of the pits, walls, dumps and stockpiles.
- Calculating volumes moved from pits to various destinations and compiling weekly and monthly survey reports.
- Develop, implement and monitor survey systems for ensuring that mining comply with approved designs and follow standards and procedures.
- Ensure that survey operations are carried out as per the survey code of practice and at optimum costs.
- Involved in short term planning and monitoring if mining is going according to the agreed schedule.
- Overseeing the stacking of all guide lines (e.g. pit shell lines or ore toe lines) and drill patterns and highlighting deviations from the designs timeously to avoid rework or over mining.
- Client: African Rainbow Minerals Platinum, Nkomati Nickel Mine
Senior Surveyor
Boynton Investments
01.2008 - 01.2011
- Responsible for the team that was surveying ore, reporting to Survey Manager.
- Setting out limits of ore blocks for cleaning in preparation for drilling.
- Setting out drill patterns and picking up of as-drilled holes.
- Blast control survey for estimating the ore displacement after blast.
- Setting out ore dig plans per level in time to avoid standing time or a mix up on ore since we were doing selective loading.
- Continuous monitoring of levels and disturbance of dig plan stacked points so as to avoid contamination or ore loses since we were supposed to mine in 2.5m passes and each pass had its own dig plan.
- Client: Pilanesburg Platinum Mine
Mine Surveyor
Zimplats
01.2006 - 01.2008
- In charge of all the field work reporting to Survey Manager on site.
- Setting out limits of blocks, roads, ramps, Rom stockpiles, dumps and ore boundaries per the mine design.
- Marking of drill patterns providing drilling depths.
- Controlling mining levels by means of grade boxes and printouts on all active mining faces.
- Routine surveying of drilled blast holes patterns, changes on all mining faces, stockpiles and dumps.
- Downloading raw data from machines for processing.
- Religiously measuring top and bottom ore surfaces per level carefully coded showing the different types and grades, before mining of each level commences and soon after ore depletion before any disturbance or water accumulates.
- Building and constantly updating 3D survey models of the top and bottom of ore surfaces.
- Calculating the ore mined from the pit and issuing weekly and monthly survey report clearly showing the volumes of different types and grades of ore.
- Measuring Run of Mine stockpile and doing a reconciliation between mined ore from the pit and whats on the stockpiles taking in consideration crushed volume.
- Client: Ngezi Platinum Mine
Education
High School Diploma -
Zimbabwe School of Mines
Zimbambwe11-2005
Skills
- Model Maker: Operating RTK GPS and Total station
- Gemcom: Building and updating 3D survey models
- AutoCAD: Designing pits, ramps, roads and drill patterns
- Datamine: Setting out points, lines and curves
- Trimble business: Translating designs and presenting it in a manner that is easily understood by production crew
- Real works & Surpac
- Trimble GPS R8, R10 and R12 Trimble 3D Laser Scanner(X7): Level control using grade boxes and a dumpy level
- Isite 4400 LR Scanner: Resection
- Leica GPS1200: Tachometry
- Leica Total Station 1200: Drafting
- Sokkia Total station set B 2
- Optical theodolites T2 &T16
- Construction staking
- GPS technology
- CAD software proficiency
- Soil classification
- Decision-making
- Effective communication
- Communication skills
- Quality control analysis
- Project management
personal information
Language Proficiency: English
Timeline
Chief Surveyor
Katanga Contracting Services
01.2018 - Current
Survey Manager
Maltech Survey Solutions
01.2016 - 01.2018
Senior Surveyor
Diesel Power Opencast Mining
01.2014 - 01.2015
Senior Surveyor
Exxaro
01.2013 - 01.2014
Survey Manager
MCC Group of Companies
01.2011 - 01.2013
Senior Surveyor
Boynton Investments
01.2008 - 01.2011
Mine Surveyor
Zimplats
01.2006 - 01.2008
High School Diploma -
Zimbabwe School of Mines
personal information
- Current Position: Chief Surveyor
- Date Employment Commenced: 2018-07-08
- Surname: Tavariswa
- Full Names: Malvern
- Date Of Birth: 1982-08-15
- ID Number: 29-2134591-27
- Nationality: South African
- Professional Qualifications: See below
Present employment
- Name Of Employer: Katanga Contracting Services
- Address Of Employer: 369 B Chaussée L.D, Kabila, Lubumbashi, Katanga, RDC
- Contact (OPerations Director): Humphrey Chitima
- Telephone: +243 978907882
- E-mail: humphreyc@kcsdrc.com