Photometric Compliance Validation: Pre-Bid, Pre-Install, and Post-Commissioning
An engineering reference for facility designers, electrical engineers, and procurement teams validating LED sports lighting compliance with IES RP-6 and sport-specific standards. Covers the three validation gates and what to verify at each.
Compliance validation isn’t one event — it’s three. A sports lighting design must be validated pre-bid (in the photometric study), pre-install (during fabrication and procurement), and post-commissioning (with on-site measurements). This guide covers what to validate at each gate and why each matters.
Gate 1: Pre-Bid Photometric Validation
The pre-bid photometric study validates that the design can meet the spec. Required validations:
·Foot-candle averages and minimums per IES RP-6 class
·Max:Min and Avg:Min uniformity ratios
·Vertical illuminance grids at sport-appropriate heights
·Vertical Avg:Min uniformity
·Glare Rating per ANSI/IES at all viewing positions
·Property-line spill at boundary points
·BUG ratings per fixture
·Sightline cone clearance for all player viewing positions
·Aiming diagram with tilt and azimuth per fixture
·Bill of materials matched 1:1 to modeled fixtures
Pre-bid validation is when bid evaluators compare proposals quantitatively. A bid without complete pre-bid validation should be disqualified.
Gate 2: Pre-Install Fixture Validation
Between bid award and install, validate that the actual fixtures procured match the modeled fixtures:
Validation | What to Check |
Fixture model number | Matches the bid spec exactly — no substitutions |
CCT | Matches the spec; CCT consistency tested for broadcast tier |
CRI / R9 | Matches spec; manufacturer test reports verify |
Driver | Flicker spec verified; TLM-30 reports for broadcast tier |
Optics | Full cut-off (BUG U=0) per spec |
DLC qualification | Verified on QPL by model number |
BAA compliance | Documentation provided where federally funded |
Warranty registration | 10-year fixture and driver warranty documented |
This gate prevents value-engineering substitutions that would invalidate the photometric study.
Gate 3: Post-Commissioning On-Site Validation
After installation, validate that the as-built system performs per the photometric study. Required measurements:
Measurement | How to Validate |
Horizontal foot-candle | Calibrated illuminance meter at 10–20 grid points; compare to modeled values |
Vertical foot-candle | Vertical-plane meter at sport-appropriate heights |
Uniformity | Compute Max:Min and Avg:Min from grid measurements |
Property-line spill | Vertical illuminance measurement at boundary; verify against ordinance |
Aiming verification | Visual confirmation that fixtures match aiming diagram |
Flicker (broadcast tier) | High-frame-rate camera capture under operating conditions |
Color temperature | CCT meter measurement at multiple positions; check consistency |
Deviations >10% from modeled values indicate fixture or aiming issues. Custom utility rebate programs typically require post-install verification as a final disbursement condition.
Compliance Documentation Package
The complete compliance documentation for a sports lighting project includes:
·Pre-bid AGi32 photometric study (stamped)
·Pre-install fixture cut sheets, DLC documentation, BAA documentation
·Post-commissioning on-site measurement report
·Comparison report (modeled vs measured) showing variance per metric
·Acceptance letter from the designing engineer
·Warranty registration documents
·Utility rebate application documentation
·Federal grant compliance documentation if applicable
This package serves as the project’s permanent record and is the basis for any warranty claim, dispute resolution, or future retrofit decisions.
Common Compliance Gaps
·Pre-bid photometric without all 8 required deliverables
·Mid-project fixture substitutions that don’t match modeled fixtures
·Skipping post-install on-site measurements
·Missing TLM-30 flicker validation at broadcast tier
·Allowing fixture-to-fixture CCT variance >Step 3 at broadcast tier
·Property-line spill not validated against current local ordinance
·Sightline cone validation skipped or generic
How to Specify Compliance Validation in a Bid
Standard language:
“Bidder shall provide pre-bid stamped AGi32 photometric study including all 8 required deliverables. Pre-install fixture validation shall confirm fixtures procured match modeled fixtures by model number, CCT, CRI/R9, driver flicker spec, optics, DLC qualification, and BAA compliance where applicable. Post-commissioning on-site measurements shall validate horizontal and vertical foot-candle, uniformity, property-line spill, and CCT consistency against modeled values. Deviations >10% shall trigger remediation. Complete compliance documentation package shall be delivered as a final acceptance condition.”
For broader photometric methodology, see AGi32 Photometric Study Guide. For pole layout, see Pole Layout & Fixture Aiming. For broader IES standards, see IES RP-6 Sports Lighting Standards.
Validating compliance for a project? Request a free 24–48 hour AGi32 photometric study with full compliance documentation →
Frequently Asked Questions
What is photometric compliance validation?
Photometric compliance validation is a three-gate process: pre-bid (validates that the design can meet the spec via stamped AGi32 study), pre-install (validates that procured fixtures match modeled fixtures), and post-commissioning (validates that the as-built system performs per the photometric study via on-site measurements). All three are required for full IES RP-6 compliance.
What does pre-bid photometric validation include?
Eight required deliverables: foot-candle averages and minimums per IES class; Max:Min and Avg:Min uniformity ratios; vertical illuminance grids at sport-appropriate heights; vertical Avg:Min uniformity; Glare Rating per ANSI/IES; property-line spill at boundary points; BUG ratings per fixture; sightline cone clearance; aiming diagram with tilt and azimuth; bill of materials matched 1:1 to modeled fixtures. Bids without all eight should be disqualified.
Why is pre-install fixture validation important?
Pre-install validation prevents mid-project value-engineering substitutions that invalidate the photometric study. Verify model number, CCT (with consistency testing for broadcast), CRI/R9, driver flicker spec, optics (BUG U=0), DLC qualification, BAA compliance, and warranty registration. A substitute fixture changes the photometric outcome and may forfeit utility rebates and federal funding.
What measurements are required post-commissioning?
Horizontal foot-candle at 10–20 grid points, vertical foot-candle at sport-appropriate heights, uniformity computed from grid measurements, property-line spill at boundary points, aiming verification (visual), flicker validation under high-frame-rate camera capture for broadcast tier, and CCT measurement for consistency check. Deviations >10% from modeled values indicate fixture or aiming issues requiring remediation.
What goes in a compliance documentation package?
Pre-bid AGi32 photometric study (stamped); pre-install fixture cut sheets, DLC documentation, BAA documentation; post-commissioning measurement report; modeled-vs-measured comparison report; acceptance letter from designing engineer; warranty registration documents; utility rebate application documentation; federal grant compliance documentation if applicable. This package is the project’s permanent record.
How do I specify compliance validation in a bid?
Standard language: “Bidder shall provide pre-bid stamped AGi32 photometric study including all 8 required deliverables. Pre-install fixture validation shall confirm procurement matches modeled fixtures. Post-commissioning on-site measurements shall validate against modeled values. Deviations >10% shall trigger remediation. Complete compliance documentation package shall be delivered as a final acceptance condition.”