Preparing a solar mounting system RFQ? Use this checklist to give suppliers the same site, module, structural, installation and document inputs before comparing proposals.
RFQ Requirements for Solar Mounting Systems
A useful solar mounting system quotation starts with the project boundary, not a generic rail or clamp list. Give each supplier the information needed to review the load path from the PV module to the roof, ground foundation, carport structure or other supporting surface.
- Project and site: country, site type, location, survey, roof drawings or topography, access, setbacks, drainage, flood exposure and construction limits.
- Module and array: module make and model, dimensions, frame details, orientation, tilt, row spacing, edge zones, inverter locations and cable routes.
- Design conditions: wind, snow, seismic, temperature, corrosion, thermal movement, fire and other criteria required by the responsible project designer.
- Supporting structure: roof assembly and members, soil or geotechnical information, slab, pile, concrete, ballast or carport elements that receive the loads.
- Delivery boundary: calculations, drawings, bill of materials, installation instructions, inspection records, commissioning support, as-built documents and stated exclusions.
When an input is not available, mark it as an open item and assign responsibility for verification. A supplier should not be expected to fill missing site information with an unstated standard assumption.
Solar Mounting System RFQ Selection Criteria
Compare proposals on the same evidence boundary. Product fit, engineering scope and installation responsibility are separate decisions and should remain visible in the quotation review.
Minimum RFQ brief vs complete technical RFQ
| RFQ area | Minimum brief | Complete technical RFQ |
|---|---|---|
| Application | Roof, ground mount or carport project type | Application, site constraints, access route, maintenance boundary and construction sequence |
| Module layout | Module model and quantity or layout | Dimensions, frame, orientation, tilt, row spacing, edge zones, equipment and cable routes |
| Structural inputs | Known wind, snow or roof information | Design criteria, load path, supporting members or soil basis, foundation concept and open assumptions |
| Commercial scope | Hardware and delivery request | Hardware, engineering, drawings, BOM, installation documents, inspection evidence, commissioning and exclusions |
| Approval record | Supplier quotation | Revision, assumptions, responsibilities, change process, acceptance evidence and handover records |
Use the relevant application route when preparing the brief: solar roof mounting systems, solar ground mounting systems, solar carport mounting systems, solar walkways or solar cable tray systems.
Practical Solar Mounting RFQ Checklist
- Define the project: identify the country, site type, application, schedule, procurement stage and decision makers.
- Attach the available evidence: send roof plans, survey, topography, geotechnical information, photographs, module data and the preliminary array layout.
- State the design boundary: list wind, snow, seismic, corrosion, drainage, fire, waterproofing and other project criteria that must be reviewed.
- Request comparable deliverables: ask for the proposed system, calculations where applicable, drawings, BOM, installation instructions, inspection points and document revisions.
- Separate responsibilities: identify who owns site verification, foundation or roof approval, field changes, installation, commissioning, maintenance and as-built records.
- Close the quote: record assumptions, exclusions, interfaces, lead-time dependencies and the information still required before purchase or construction.
The solar mounting system design guide explains how site inputs and load paths connect across applications. For product families and technical documents, review the solar mounting system products and engineering resources pages.
Summary
If quotations are difficult to compare, standardize the project inputs and deliverables first. The best RFQ is the one that makes the site conditions, module layout, structural route, engineering scope and unresolved assumptions clear to every bidder.
Next step: organize the available drawings and project criteria, then request a project-specific solar mounting review.