GISTM.NET
Compliance management for the GISTM, the mining industry standard for tailings facilities.
gistm.netIt’s all about the angle.
Engineering, software and training, in Portugal and wherever the work is.
We work in five languages.
Software
Platforms that are already live.
We are part of these teams. Each platform has its own site.
GeoRiskScan
Early assessment of geotechnical and financial risk, supported by artificial intelligence.
georiskscan.comManutify
Maintenance management for heavy equipment: history, work orders and preventive maintenance.
manutify.comDetect & Solve
Logging and traceability of incidents and non-conformities in construction, mining and infrastructure.
detectandsolve.comAnd when what you are looking for doesn’t exist yet, we write it.
Engineering
Calculations in plain sight. Every number says where it came from.
For asset owners, investors, lenders, insurers and engineering firms.
Design review
An independent second opinion on tailings dams, waste and ore stockpiles, slopes and marine works.
Technical due diligence
The technical risk of an asset, in numbers, for those who invest, lend or insure.
Geotechnical investigation
CPTu and SPT campaigns specified, supervised and with the data quality checked.
Numerical modelling
Soil-structure interaction, ground improvement and offshore. Also under your firm’s brand.
Failure analysis
When something gives way in a mine, a port or on a road, we find out why.
Applied research
New materials and field instrumentation.
Training
Our examples have noise. Textbook ones don’t.
For engineering teams, with real project data.
PRITEO
Online engineering courses. Vale bought 1,400 licences.
priteo.comIn-company programmes
Tailings mechanics, laboratory and field testing, CPTu. Built with the company’s own data.
GISTM na prática
Free LinkedIn series: the 15 principles of the GISTM, explained through cases. In Portuguese and English.
linkedin.com/company/GISTMNETWho
PHISSAL is David Lourenço’s company in Portugal. Civil engineer from the University of Coimbra, PhD in geotechnics from the Federal University of Rio Grande do Sul and member of the Ordem dos Engenheiros (Portugal). When the problem calls for it, he brings in senior specialists.
- More than 15 years of projects in Europe, Africa and South America.
- Co-inventor of a binder made from eggshell and glass, patented in 2026.
- Director of the Rede Portuguesa de Ciência e Inovação no Brasil.
Contact
Tell us the problem. We’ll find the angle.
Your message
To: ola@phissal.com Subject: Engineering: (summary of the problem) Area: Engineering Problem: (what is at stake, where, and what you have to decide) Deadline: (deadline) (name) (company) (email)
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Or write to ola@phissal.com
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