Multi-criteria methods

Choosing and applying the method for analysing alternatives.

• selection flowchart: AHP, Gaussian AHP, CRITIC, entropy or given weights;
• calculator for measured data, rater data or both, with Monte Carlo;
• theory with formulas and references;
• Excel workbook with every calculation of the worked example.

Open the tool (Portuguese)

CAPEX and OPEX estimating

Estimate class and reference budget for railways, metros and highways.

• estimate class by deliverable maturity (AACE RP 98R-18);
• costs by system and design layer, with the source of each line recorded;
• Monte Carlo simulation, accuracy range and sensitivity analysis;
• OPEX by nature, REPEX and life-cycle cost;
• comparison with public cost-per-km references, normalised by currency and year;
• revision log with reconciliation, comment register and Basis of Estimate (AACE RP 34R-05);
• reports and Excel review workbook; Portuguese, English and Spanish.

Licensing: per module, period and user. User access · Request a proposal

Technical library

Inventory of the client's standards, manuals, specifications and reference designs, searchable by code, subject or keyword.

• automatic reading of the documents, with a confidence grade per item;
• search tolerant to typos and to the sector's vocabulary (acronyms and synonyms);
• filters by folder, document type, line and design stage; CSV export;
• access restricted to the team, by authorised e-mail.

Typical requests: the standards and specifications of an authority or concessionaire; design references received in a tender; an engineering firm's internal library. User access · Request a proposal