Scope before search
Function, interfaces, standards, quantities, documents and acceptance are made explicit before market outreach.

S03 · Strategic Sourcing & Cost Engineering
UI scopes only supplier qualification or bid comparison; an unready requirement routes to S09 technical definition before outreach.
Selected contextOriginal situation: Un pedido activo. Evidencias antes de autorizar la expedición. · Oil, Gas & Petrochemicals
What the assignment changes
Function, interfaces, standards, quantities, documents and acceptance are made explicit before market outreach.
Clarifications, exclusions, deviations, lead times and commercial assumptions are normalized before ranking.
Should-cost and total-cost assumptions support negotiation without disguising uncertainty as precision.
Four controlled decisions
Each stage produces the evidence needed to unlock the next. Supplier outreach does not start before the buying basis is credible.
We test the technical and commercial scope, missing data, acceptance basis and supplier return structure. If the basis is incomplete, S09 defines it before outreach.
Candidate suppliers are tested against process capability, standards, capacity, references, documentation and the actual delivery window.
Scope gaps, deviations, exclusions, NRE, tooling, freight, lead, warranty and payment assumptions are brought onto one bid basis.
Should-cost, TCO, delivery exposure and residual risk are combined into a negotiation and award position—not a supplier list.
Buy only the decision that is missing
Requirement readiness, supplier qualification and bid evaluation are separate commitments. Start where the evidence stops and advance only when the next decision is justified.
A decision on whether the existing technical and commercial evidence can support supplier outreach, plus the exact gaps that must be closed first.
A capability-based longlist or shortlist, documented qualification evidence and a controlled supplier-contact route.
Technical evaluation, commercial bid tab, clarification and deviation register, cost position and an auditable award recommendation.
Minimum useful evidence
A completed RFQ is not required. The first review determines whether the next paid step should be definition, sourcing, comparison or cost engineering.
Drawing, specification, BOM, duty point, material, standard, interfaces and required certificates.
Quantity, forecast, delivery location, Incoterm, target date, warranty and payment constraints.
Incumbent offer, supplier list, previous PO, quotations, known deviations or a target cost.
Award date, outage, production need, project milestone and consequence of delay.
Execution boundary
The assignment is scoped around the decision being purchased. Supplier contracting, regulated design authority and final technical acceptance remain explicitly allocated.
No supplier is recommended only because its headline price is lowest.
Unverified equivalence, capacity or certification is never presented as confirmed.
Should-cost ranges expose assumptions and data quality; they are not disguised quotations.
The client approves the RFQ, shortlist, negotiation position and award.

Start with the blocked decision
Send the requirement, offers or supplier problem already in front of you. The assistant will preserve the S03 context, identify the missing evidence and build the preliminary brief.