# Washington Suburban Sanitary Commission #121580

On-call business case evaluation and consulting services for WSSC Water

**Posted:** October 30, 2026
**Respond By:** December 17, 2026
**Identifier:** 121580
**NAICS:** 541611, 541330, 541690, 541618

WSSC Water is seeking consulting firms for on-call business case evaluation and related professional services under multiple-award agreements.
- **Government buyer:** Washington Suburban Sanitary Commission (WSSC Water), Engineering & Construction Department.
- **OEMs and named vendors:** No OEMs or prospective consulting vendors are named in the opportunity.
- **Requested services:** Business case development and evaluation, including project management; alternatives analysis; lifecycle-cost, financial, and risk analysis; asset replacement and useful-life estimates; research and data collection; outreach; and report preparation. Assignments may cover engineering and architecture, facilities and real-property management, capital program controls, software evaluation, non-asset solutions, and economic analysis.
- **Possible task-order work:** Limited preliminary design, site screening, conceptual plans, field walks, environmental or geotechnical assessments, and alternatives optimization. Certain deliverables may require a Maryland-licensed Professional Engineer’s signature and seal.
- **Staffing roles:** Principal, project and engineering managers, engineers, architects, technicians, software and GIS analysts, economists, cost estimators, clerical staff, CADD specialists, and construction specialists/managers. The listed line-item quantity is four for Senior Construction Manager and one for each other role.
- **Notable requirements:** Work is assigned through task orders, with no minimum quantity guaranteed. A 29% MBE/SLBE subcontracting goal applies. Proposals are evaluated on technical approach (40%), key personnel (30%), firm experience (25%), and price (5%).

### Description

WSSC Water is soliciting proposals from qualified consulting firms to establish multiple-award Basic Ordering Agreements for on-call professional services developing Business Case Evaluations. Work will be authorized through task orders and may cover areas including architecture and engineering, facilities and real-property management, capital improvement program controls, software evaluation, non-asset solutions, public outreach, and economic analysis. Services may include project management, alternatives evaluation, lifecycle-cost and financial analysis, risk assessment, research, community outreach, and report preparation. The agreement has a three-year base term with an additional two-year option, and no minimum quantity of work is guaranteed.

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