DYMM Ingeniería
From spreadsheets to a single source of truth
DYMM Ingeniería quotes, buys, installs and maintains HVAC systems for clinics, laboratories, offices and industrial plants in Colombia. Its whole process lived in Excel, SharePoint and email. In four months we built Dymm OPS: a nine-role platform that takes a job from the quote — priced with DYMM’s own cost analysis and assisted by AI — to the requisition, the purchase order, the scanned warehouse release and the work order on the technician’s phone.
Duration
Ongoing · since June 2026
Started
June 4, 2026
Quoting, AI, purchasing, warehouse, tools, work orders, cost centers, supplier portal and more
From management and engineering to warehouse, field technicians and external suppliers
Hundreds of them carrying DYMM’s full cost-analysis breakdown
80 policies, isolation by organization and by supplier
DYMM runs a mature, certified process, but it lived in spreadsheets, SharePoint folders and email.
With demanding clients, every error in quantities, prices or traceability was a risk.
- — Quoting depended on an expert Excel: material, accessories, labor, fixed costs, sales factor and the Colombian AIU regime were mastered by only a few people
- — Purchasing had no check against the quote: requisitions were not matched to the approved quote or to stock already in the warehouse
- — No traceability in the warehouse or tool room: what left, for which job, at what cost and who received it
- — Scattered information and slow decisions: approvals by email, quality forms in folders, no dashboard and no audit trail per cost center
Twelve systems in production after roughly four months of construction, built around DYMM’s real way of working and still evolving with the team.
- + Quoting engine · DYMM’s six quote types, its cost-analysis formula reproduced to the peso, the AIU regime with VAT only on profit, per-item currency with the official exchange rate, and branded PDFs
- + AI inside the workflow · adjust a quote by conversation, a per-m² pre-design that learns from approved quotes, and a system assistant that knows the record you have open
- + Purchasing against the quote and the warehouse · requisitions prefilled from the approved quote, overages justified and emailed to management, three-supplier comparison, purchase order, receipt and invoice
- + Warehouse, tools and field work · releases in DYMM’s own format with five sign-offs, barcode scanning from a USB reader or phone camera, stock maintained by database triggers, and work orders on the technician’s phone
- + Cost centers, supplier portal and audit · cost centers created automatically on quote approval with DYMM’s nomenclature, a portal where each supplier manages its documents and orders, and an audit log of every change
Inside the build.
Brand, interface and system — shown as they shipped.
The hard part is the rules.
Dymm OPS is not a website: it is the company’s operating system. The hard part lives in the rules — the cost-analysis formula, AIU with VAT on profit, quantity control against the quote and the warehouse, concurrent document numbering, stock by triggers and permissions by row.
A spreadsheet turned into a pricing engine
DYMM’s macro-driven cost analysis is reproduced exactly, including its round-up to the thousand, and the component breakdown of hundreds of catalog items was loaded from the original workbook — so the platform reproduces the list price.
The AI proposes, the engineer decides
In the quote editor, Gemini returns structured change proposals that are validated on the server. Prices for new items come from the catalog, not the model; the user ticks what to apply, and stale proposals are discarded if the quote changed.
Client lists matched to the catalog
The quote importer reads the customer’s own Excel, keeps their numbering and suggests catalog prices through fuzzy matching on tokens, trigrams, units and sizes, each with a confidence level.
What is in stock ships, only the gap gets bought
When a requisition is approved, each line is checked against inventory; the release order reserves stock, partial deliveries send the difference back to purchasing, and stock moves only through database triggers.
Numbering that survives concurrency
“Read the last code and add one” collided under simultaneous creation and broke past 999. Row-locked counters in the database fixed it, verified with twenty simultaneous creations.
Hybrid AI Coding
A senior WebMinds architect owns the design and every decision with DYMM, AI agents (Claude Code) accelerate implementation, and an independent end-to-end QA suite runs before every deployment. That is how twelve systems reached production in about four months.
Technologies & Tools
The tech stack powering this solution
Beyond the numbers, we delivered a system that transformed how this client operates.
Quoting no longer depends on one expert
DYMM’s cost analysis, AIU regime and price list live in the platform. Any engineer produces a consistent quote, and AI helps adjust it without inventing prices.
What gets bought is what was quoted
Every requisition is measured against the quote and the warehouse: overages are justified and reported to management, and only what is missing gets purchased.
Traceability end to end
From the quote to the cost center, the purchase order, the signed warehouse release and the work order on the technician’s phone — with row-level permissions and an audit trail.
- Apr–May 2026Process diagnosis, proposal approved, kickoff and design mockups
- Jun 4, 2026Construction starts: roles, cost centers, projects, quotes and the first AI features
- Jun 22, 2026Process session with management: quoting rebuilt around DYMM’s real method
- Jul 2026Six quote types, branded PDF, AI pre-design, full purchasing cycle, inventory, mobile work orders, tools, quality documents, supplier portal and AI assistant
- Aug–Sep 2026Role-by-role testing with the client, then exchange rate per item, quote importer, atomic numbering, scanner releases, cost-analysis formula and “Adjust with AI”
- OngoingThe platform keeps evolving with DYMM
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