Fuel
Diesel is issued on paper and reconciled once a month. Any shortfall is written off.
Every delivery, restock and refuel is tied to a machine, an operator and a work order. The fuel balance closes daily.
Every Shiftfuel variance checked
Mining Operations Software16 Modules
Know Where Every Tonne and Litre Went Before Handover
Crews log the work on site. Terrasakti checks each entry as it's made, so the shift report is ready at handover.
- Every Commodity, Every Licence
- Start With One Module
- Export Your Data Anytime
- Access Set by Role
app.terrasakti.com/dashboard
Operations OverviewSample DataOperationsSite Overview
LiveOre Moved · Today
48,210 t
+6.4%
Fleet Utilisation
91.4%
+2.1 pts
Fuel Variance
0.42%
in band
Crusher Uptime
97.8%
+1.2 pts
Production vs Plan · 12 Weeks
3.42 stripping ratio · on plan
ActualPlan
Attention Required
5- HD-1148 tyre wear 82%Plant · position 4
- Fuel issue without work orderFuel · bay 2 · 14:20
- Blast BL-2291 recovery −4%Drill & blast · Pit B
- Filter stock running lowLogistics · WH-01
- Shift 2 attendance reconciledPeople · 642 records
Shift Progress · Today
3 crews| Crew AlphaPit A · Bench 940 | 14,120 t | |
| Crew BravoPit A · Bench 925 | 12,480 t | |
| Crew DeltaPit B · Bench 880 | 9,940 t |
Fuel Issued · Last 14 Days
428,600 L100% work-order matched
From the Pit to the Sales Invoice
Open PitUndergroundDredge & AlluvialQuarry & WeighbridgeDrill & BlastHaul FleetCrushing PlantProcessingWashing PlantFuel LogisticsWorkshopWarehouseCamp & RosterMaterial SalesBarge & VesselHSE & Compliance
Why One System
Stop Arguing About Whose Numbers Are Right
Production, maintenance, finance and HR each keep their own copy, and the copies rarely agree. Terrasakti keeps one.
All Sites
Side by Side
Coal, nickel, gold, tin and quarries run in one system. Each site keeps its own units, and tonnes of different commodities are never added together.
Shift
Level of Every Record
Every tonne, litre and work order is tied to a shift, a crew and a machine. A shortfall points to where it happened.
One
Version of the Figures
The site, the GM and the owner read the same numbers. Nothing to pass around, nothing to reconcile by hand.
Live
Shift Reporting
Dashboards read what crews enter. The shift report is ready at handover, not at month end.
These describe how the product works, not customer results. Check each one in a demo account.
Four Workspaces
Built the Way a Mine Is Run
Four workspaces cover the pit, the plant, the business and the licences. Each works alone. All four read the same records.
Production Hub
See Tonnes Against Plan Before Handover
Ore, overburden and stripping ratio are tracked against plan all day. A shortfall shows on the shift it happens, not at the monthly review.
- Plan Against ActualThe monthly plan sits beside actual tonnes and BCM, by pit and bench.
- Every Tonne Traced to Its BlastDrill holes, blast results and fragmentation tie to the same block.
- Every Lost Hour ExplainedRain and site conditions sit on the production chart, so each lost hour has a cause.
app.terrasakti.com/production
Pit & ProductionSample DataProduction / Daily Reconciliation
Ore Moved
18,420 t
+4.1% vs plan
Overburden
62,970 bcm
−1.8% vs plan
Stripping Ratio
3.42
on plan
| Pit A · Bench 940Shift 1 · Crew Alpha | 6,210 t |
| Pit A · Bench 925Shift 1 · Crew Bravo | 4,980 t |
| Pit B · Bench 880Shift 2 · Crew Delta | 3,120 t |
| Pit C · Haul roadShift 2 · rain delay 90m | 1,845 t |
Reconciled 2 minutes agoView full report
Modules
16 Modules. One Database.
Each module has its own forms, reports and permissions, and none keeps a separate copy of your data. Start with one. Add the rest in any order.
How It Works
From the Bench to the Owner's Report
A decision used to wait a month for the data. With every team on the same records, it takes a shift.
- 01
Record It Where It Happens
Supervisors, fuelmen and planners enter the work on site. The people who did it are the ones who log it.
Shift Records - 02
Check It on Entry
Each entry is checked against its work order, machine and shift. Mistakes are caught when they're made, not at month end.
Checked Records - 03
Report as You Go
Output, cost and throughput update as records arrive. The shift report is ready at handover.
Shift Report - 04
Act Within the Shift
KPI alerts reach the person responsible, so the problem is handled on the same shift.
KPI Alerts
Advanced Analytics
Catch Losses Before the Month Closes
Every entry from site sits in one place, so forecasts and variance checks run on live records. No exports to clean, no side spreadsheets to keep.
app.terrasakti.com/forecasts
ForecastsSample DataMonth-End Forecast · Ore Moved
412,600 t plan 405,000 t
Variances to Review
3
fuel · 2, stock · 1
Forecast vs Plan
+1.9%
month end
Fuel Variance
0.42%
in band
Throughput by Crushing Line · Last 14 Shifts
MTBF & MTTR
Worked out from the work orders and downtime your planners already record.
Month-End Forecasts
Production projected to month end and compared with plan.
Variance & Loss
See where measured fuel, deliveries, stock counts and surveys differ from the records, and by how much.
Maintenance Analytics
Tyre wear, equipment health and inspection history in one view.
Report Packs
Scheduled PDF and Excel packs, emailed to owners and managers.
KPI Alerts
Set a threshold on a KPI and the right person is told when it's crossed.
Where It Pays Off
Money Leaks Where Work Changes Hands
Eight places mines lose money without noticing, and how Terrasakti closes each gap.
Maintenance
A planned service stalls because the part was never in the warehouse.
Maintenance plans read current stock and open purchase orders, so a missing part is flagged when the job is scheduled.
At Schedulingparts availability checked
Drill & Blast
Blasts are judged by eye, and poor fragmentation quietly slows the excavators and the crusher.
Each blast is measured against its design, with hole records, recovery and fragmentation kept together.
Every Blastmeasured against its design
Commercial
Sold tonnes and produced tonnes live in different spreadsheets and never quite agree.
Sales are checked against production and processing tonnes before anything is reported.
One Recordfrom production to invoice
Shipping
A barge is priced in a spreadsheet from the index, the survey and the CoA, and the royalty is worked out again somewhere else.
The shipment carries its draft survey, CoA and price formula. Price, exchange rate and royalty are worked out together and fixed on approval.
One Recordfrom survey to royalty
Multi-Site
A group runs a coal pit and a quarry, and their tonnes get added into one meaningless number.
Each licence is a site with its own commodity and units. Head office sees them side by side; a site login sees only its own.
Per Licencenever summed across commodities
People
Attendance is copied by hand from site sheets into payroll, and the errors show up on payday.
Rosters, attendance, pay rates and payroll are linked, and each step is checked before the next begins.
No Re-Entryfrom site to payslip
Reporting
The monthly report pack takes a week to build and is stale when it lands.
Reports read straight from current records, and packs are emailed on a schedule as PDF and Excel.
Always Currentnothing to rebuild
Rollout
Go Live Without Stopping the Site
No twelve-month migration. Each phase pays off on its own, and nothing goes live until the crews are ready.
Foundation
Map the Operation
We set up your sites first: each licence and what it mines, pits and benches, the equipment register, crews and departments. From day one, every screen uses your own names and units.
- Licences & Site Profiles
- Asset & Site Register
- Role Matrix
First Module
Go Live With One Module
Usually production or fuel, where losses are largest and the gain is easiest to see.
- Shift Entry Live
- Daily Reconciliation
- Supervisor Training
Integration
Connect the Other Departments
Plant, logistics, HR and sales join one at a time on the same register, covering each handover in turn.
- Maintenance & Stock Linked
- Roster to Payroll Linked
- Sales Reconciliation
Analytics
Turn On Analytics
With a reliable operating history, forecasts and variance checks have real data to work with.
- Month-End Forecasts
- Variance & Loss
- Report Packs
Built Around the Mine Cycle
Not a general ERP adapted for mining. Records start with the licence, the block, the shift and the work order.
Rolls Out Module by Module
Start where the loss is largest. Each module works alone and is worth more as others go live.
Designed for Site Crews
A supervisor can finish the shift forms on a tablet. No accounting training needed.
Works With Your Existing Systems
Exports let your finance and reporting teams keep the tools they already use.
Security
Every Figure Has a Name and a Time on It
Access is set by role, each company's data is kept apart, and every record shows who entered it and when.
Role-Based Access
Permissions are set per module and per action, and a login can be limited to some sites. Approval is its own permission, so nobody signs off their own work.
Variance & Loss Checks
Measured fuel, deliveries, stock counts and surveys are compared with the records, and the worst gaps come first.
A Full Audit Trail
Each record shows who entered it, when, and for which shift. Any figure traces back to its source.
- Role-Based Access Control
- Logins Limited by Site
- Audit Trail on Every Record
- Each Company's Data Kept Separate
What's New
Recent Updates
Terrasakti ships often. Here is what changed lately.
- Oct 2026New
One System for Every Commodity and Licence
Each licence is a site with its own commodity, method and units. Switch between sites, limit logins by site, and tell setup what each site mines.
- Oct 2026New
HSE & Compliance
RKAB against actual, reclamation and guarantees, environmental readings against limits, incidents with LTIFR and TRIFR, and a compliance report pack.
- Oct 2026New
Quarry, Underground, Alluvial and Washing
Weighbridge tickets and gradation for quarries, development and ventilation for underground, dredge and concentrate logs for alluvial tin, and wash plant runs that move the stock ledger.
- Oct 2026New
Shipments Priced Off the Index and the CoA
Barges and vessels as one lot, with draft survey, CoA, HBA or HPM price formulas, royalty, and an approval that fixes the exchange rate.
- Oct 2026New
Variance & Loss
See where measured fuel, deliveries, stock counts and surveys differ from the records, and by how much, with the worst records one click away.
- Oct 2026New
Wet Plant Logs and Customer Deposits
Grinding, flotation, thickener, filter press and tailings logs for the processing plant, and customer deposits with the sales paid from them.
- Aug 2026New
Logistics Gets Its Own Menu Section
Inventory, purchase requisitions, purchase orders and goods receipt notes now sit together in one place.
- Mar 2026New
Camp and Meal Management
Camp plans, room assignments, daily records and meal types, built for remote sites.
- Dec 2025New
Fragmentation Analysis for Blasting
Compare each blast with its design, with fragmentation analysis beside the recovery figures.
Common Questions
What General Managers Ask Before They Buy
Straight answers on cost, rollout, connectivity and data.
How Much Does Terrasakti Cost?
We quote per site after a walkthrough, based on the modules you start with. Add others later. Data exports are included.
Do We Have to Buy Every Module at Once?
No. Each module works alone and shares the same equipment, site and staff records. Most sites start with production or fuel and add more once the first has proved itself.
Does It Work for Our Commodity?
Coal, nickel, bauxite, manganese, gold mining, alluvial tin and quarries, across open pit, underground, alluvial and quarry sites, plus washing plants. Smelters and gold leaching plants are not covered. Choose what a site mines at setup and its units, moisture basis and grade attributes follow.
We Hold Several Licences. Can Each Run Separately?
Yes. Each licence is a site with its own commodity and units. Head office sees every site side by side, tonnes of different commodities are never added together, and a login can be limited to the sites that person works on.
Does It Cover RKAB and Compliance Reporting?
Yes. Each licence's RKAB is compared with actual production and sales month by month. Reclamation, guarantees, environmental monitoring and incidents sit on the same licence, and the compliance pack is built from them.
How Long Does Rollout Take?
It depends on the first module and how ready your site data is. We set up pits, equipment and crews first, then one module goes live, usually production or fuel. The walkthrough shows what the first 90 days would look like at your site.
Will It Work at a Remote Site With a Weak Connection?
Yes. Forms are light, so a basic satellite link keeps site and head office in step. Refuel sheets entered offline stay on the device and send when the link returns.
Does It Replace Our ERP?
No, it works beside it. An ERP is built around accounts; Terrasakti is built around blocks, shifts, equipment and work orders. Operations live in Terrasakti, statutory accounting stays in your ERP, and exports move figures between them.
Who Owns Our Data?
You do. Export it any time. Each company's data is kept separate from every other company's.
Who Can See What?
Access is set by role, per module and per action. A supervisor, a planner, a payroll officer and a GM each see what their role needs, all from the same records.
Will Supervisors Actually Use It at Shift End?
That's what it was designed for. Shift forms are short, check entries as they're made, and ask only what a supervisor already knows. If a field can't be filled from the bench, it doesn't belong on the form.
How Do You Train Our People?
Training is part of rollout. We train supervisors on each module before it goes live, and nothing goes live until the crews are ready.
What Language Is Support In?
Bahasa Indonesia and English. The team is based in Indonesia, so you can talk to us in your site's language.
Book a Walkthrough
See Terrasakti With Figures Like Your Own
Tell us about your site. We'll build the walkthrough around the modules you care about, using data that looks like yours.
What the Session Covers
- A 30-minute walkthrough of the modules that matter to your site
- A worked example on a sample of your own production, fuel or payroll data
- A phased rollout plan, with integrations and the order of work
- Direct contact with the team that builds Terrasakti
Get Started
Start Where Your Mine Loses the Most
Pick the module for your biggest problem and add the rest at your own pace. The walkthrough shows what your first 90 days would look like.
See It Working Before You Sign Anything