/ Cost Estimating · P6 Scheduling · Forensic Review
BEFORE THE FIRST BOLT,
THE PROJECT IS
WON OR LOST.
OBDNC, based in Puerto Rico, delivers expert cost estimating and scheduling for construction, infrastructure, and energy. No guesswork. No generalist tools. Every estimate built on 26+ years of field-verified benchmarks and reviewed by a senior estimator. Bilingual team — English and Spanish. US mainland, Puerto Rico and Latin America.
Our position
The estimate is not a spreadsheet.
It is the first structural decision of every project.
A boutique estimation practice. From a homeowner's addition to a federal capital program — the same rigor, the same standard. Any company, any individual, any scale.
Every estimate is prepared and reviewed by a senior estimator — working from the owner's documents, applying discipline-specific takeoff, and producing defensible cost positions that hold up line by line.
The result: estimates that are traceable, auditable, and ready for owner presentation — delivered in a fraction of the time.
Capital program intelligence
5 MARKETS.
FIELD-VERIFIED
COSTS.
Our cost intelligence is calibrated to the specific standards, benchmarks, and delivery requirements of each market — not generic estimation logic applied to everything.
PUERTO RICO
INFRASTRUCTURE
OIL & GAS /
ENERGY
AI & DATA
CENTERS
COMMERCIAL &
HOSPITALITY
FORENSIC & CLAIMS
Service verticals
SIX SERVICE LINES.
ONE STANDARD.
Mid-rise residential, mixed-use, institutional. Full CSI MasterFormat coverage. Owner bid form reconciliation included.
Hyperscale and colocation facilities. MEP-heavy estimation, critical power, cooling infrastructure.
Upstream, midstream, LNG. CEPCI-escalated equipment costs, ISBL/OSBL breakdown, decommissioning scopes. IOC and EPC ready.
Change order validation, claim analysis, dispute support. Defensible methodology with full audit trail and PE-sealed deliverables in Puerto Rico.
Utilities, roads, bridges, federal and FEMA-funded programs. Puerto Rico and US mainland. Compliant with federal cost principles.
Primavera P6 baseline schedules — WBS, logic, durations, constraints. Monthly updates, time impact analysis, MS Project to P6 conversions, cost-loaded schedules.
Our process
HOW WE
WORK
Owner bid forms, drawings, addendums, and specifications are reviewed and classified by document type — not treated as uniform input. Authority documents establish the estimate baseline before any quantity is taken off.
Quantities are taken off per CSI division, each within a defined scope — preventing the cross-discipline duplication that inflates estimates.
Every quantity is checked against field benchmarks, reviewed for inconsistencies, and scope gaps are flagged — before any cost is applied.
Final output: traceable, owner-ready cost analysis with full line-item backup. Optionally PE-sealed through our engineering alliance for projects in Puerto Rico. Ready for bid submission or litigation support.
Field-verified methodology
FROM FIELD DATA
TO COST TRUTH
Twenty-six years of sealed bids, change orders, and as-built quantities — applied by an estimator who prices, not guesses.
Field-verified, not theoretical.
Every unit rate traces to a real project — installed, paid, and reconciled. No published averages. No vendor list pricing. The baseline is what the work actually cost.
Years of reconciled cost data behind every estimate.
Cost and schedule built together — Primavera P6 baselines and updates.
Patterns become predictions.
The estimator maps incoming scope against historical analogs, isolating cost drivers per CSI division. Quantities are generated within disciplined bounds — never extrapolated past the data that supports them.
Every number defends itself.
Extracted quantities are challenged against benchmarks, cross-checked for duplication, and flagged where scope is silent — before a single dollar is applied.
Owner-ready. Litigation-ready.
The deliverable carries full line-item backup and a clear path from source document to final cost. Defensible under audit, permit review, or dispute.
Case study
MULTI-FAMILY RESIDENTIAL
Puerto Rico · Active Project
structured to the bid form
before bid submission
for owner and lender review
Other references: high-rise mixed-use tower (Southern California) · casino expansion (California) · healthcare facility (Puerto Rico) · 15+ additional projects in Puerto Rico.
COMMERCIAL CONSTRUCTION
From residential towers to institutional campuses, OBDNC applies RSMeans-calibrated benchmarks against discipline-extracted quantities — producing estimates that speak the owner's language at bid time.
AI & DATA CENTERS
Hyperscale and edge facilities demand MEP-first estimation logic. Our estimates are calibrated for power density, cooling infrastructure, and the redundancy standards that separate tier classification from expectation.
OIL & GAS
Upstream, midstream, and downstream capital cost intelligence. CEPCI-escalated equipment sizing, Hand factors for ISBL/OSBL, and LNG benchmarks aligned to IOC/EPC procurement standards.
PLANNING & SCHEDULING
Cost and time are the same decision. We build Primavera P6 schedules with real logic — WBS, durations, constraints — and keep them current through construction, so the estimate and the schedule tell the same story.
Who does the work
Carlos R. Villalobos
Founder & Principal
26+ years in construction cost estimating and forensic cost audits, Puerto Rico and California.
10+ years in Primavera P6 scheduling.
B.S. Civil Engineering, Polytechnic University of Puerto Rico. PMP. Tools: Primavera P6, MS Project, Bluebeam.
Bilingual — English and Spanish. US mainland, Puerto Rico and Latin America.
Engineering validation
PE-SEALABLE
BY DESIGN
Quantity Verification
Each takeoff is reconciled against discipline benchmarks and prior as-builts. Discrepancies surface before cost is applied — not after delivery.
Multi-Discipline Review
Civil, structural, mechanical, and electrical scopes are validated by licensed professional engineers — closing the gaps that single-discipline estimates miss.
Sealed Deliverable
For projects in Puerto Rico, the final analysis can carry a licensed PE seal through our engineering alliance — giving the document legal standing for permits, lending, and litigation support.
Questions we hear first
FREQUENTLY
ASKED
How is your fee set?
A fixed fee, quoted per engagement before we start. Our fee never depends on the outcome of the review.
Is my project information kept confidential?
Yes. Every engagement is covered by a confidentiality agreement, client data is never shared without permission, and any sample we show is anonymized.
Can you work for one side of a dispute if you know the other party?
We run a conflict check on every case and never work both sides of the same project.
Can the deliverable carry a PE seal?
For projects in Puerto Rico, yes, through our engineering alliance with Projects and Solutions PSC, when the assignment requires it.
Where do you work, and in which language?
Puerto Rico, the U.S. Virgin Islands and the mainland U.S. Reports in English or Spanish.
Request a project analysis
TALK TO AN
ESTIMATOR
A renovation or a capital program — tell us the project. We respond with scope, fit, and next steps, not a sales call.
Prefer email? c.villaloboss@obdnc.io · Book a 20-min call (projects of $1M or more)
Phone: (939) 489-7682 · WhatsApp
Professional Analysis
READY TO
ESTIMATE AT SCALE?
Requests and inquiries: c.villaloboss@obdnc.io