Multi-Site Rooftop Solar PV Design and Installation

Bellingham Public Schools is seeking a design-build contractor to engineer, supply, install, commission, and place in service rooftop photovoltaic systems at Cordata Elementary School and the District Office, plus a 34.80 kW DC expansion of the existing Happy Valley Elementary School array.

Bellingham School District #501


General
Open (open)
2627-577
Oct 29, 2026 10:00 PM
Sep 30, 2026 03:00 PM
$514,100.00
Request for Proposal (RFP)
Local
Ask AI about this solicitation
Contact
jessica.sankey@bellinghamschools.org
+13603891182
1985 Barkley Boulevard, Bellingham, WA, USA
Submission Instructions
Online
Submit one electronic copy through the District portal; the completed Contractor Response Template may be submitted as a PDF or Microsoft Excel workbook, and all other required documents must be PDF.
Description

Bellingham Public Schools is soliciting a single design-build contract for three photovoltaic scopes: a 100.34 kW DC/80.00 kW AC system at Cordata Elementary School using non-penetrating clamps on a new standing-seam metal roof; a 70.76 kW DC/60.00 kW AC ballasted system with seismic restraint anchors at the District Office; and a 34.80 kW DC expansion of the existing 220.98 kW DC Happy Valley Elementary School array using the existing SolarEdge SE120K-US inverters. The contractor must provide final engineering, permits, utility coordination, equipment, installation, commissioning, monitoring, training, warranties, and site-specific closeout documentation. Minimum first-year production is 105,714 kWh at Cordata, 75,161 kWh at the District Office, and 35,218 kWh for the Happy Valley expansion. The proposal must cover all three sites under one contract and comply with roof loading, fire access, structural, electrical, Washington prevailing-wage, utility interconnection, FCC Covered List, and prohibited foreign entity requirements. The contractor must submit the District's response workbook, a separate project approach and methodology narrative, a project schedule, qualifications and reference information, equipment and warranty documentation, insurance and surety evidence, and roof/racking manufacturer confirmations. The Happy Valley expansion must be placed in service first, and the project includes substantial completion and final placed-in-service milestones for all three sites.

Classification Codes
NAICS221114Solar Electric Power Generation
PSCY1MGCONSTRUCTION OF EPG FACILITIES - SOLAR
Smart Codes
commercial solar installationrooftop photovoltaic systemssolar array expansion
Specifications
Supply & Service
Timeline
Sep 30, 2026 03:00 PM-Open Date
Oct 08, 2026 03:30 PM-Mandatory Site Walk (required)
The full sequence visits Happy Valley Elementary School, Cordata Elementary School, and the District Office, concluding at approximately 1:15 PM.
Oct 16, 2026 10:00 PM-Written Questions Due
Oct 29, 2026 10:00 PM-Proposals Due
Nov 5, 2026-Evaluation and Scoring
Nov 9, 2026-Finalist Interviews, If Held
Nov 11, 2026-Finalist Interviews, If Held
Dec 17, 2026-Board of Directors Approval
Dec 18, 2026-Contract Execution and Notice to Proceed
Jun 11, 2027-Happy Valley Expansion Placed in Service
Jul 15, 2027-Substantial Completion
Aug 15, 2027-Placed in Service for All Sites
Oct 29, 2027-Final Completion, Closeout, and Final Acceptance
Requirements
Required
  • Commercial General Liability — $1,000,000.00
  • Automobile Liability — $1,000,000.00
  • Workers Compensation
  • Employer's Liability — $1,000,000.00
  • Professional Liability/Errors and Omissions — $1,000,000.00
  • Umbrella or Excess Liability — $2,000,000.00
  • Builder's Risk or Installation Floater
Required
  • Payment Bond — 100%
  • Performance Bond — 100%
Required
  • Minimum 3 references
  • Within the last 5 years
  • Client point of contact required for each reference
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