COMMERCIAL LIGHTING ASSESSMENT

Before You Design the Upgrade, Understand the Existing System.

A commercial lighting assessment goes deeper than an initial Building Performance Review by investigating the existing system, operating conditions, evidence, and assumptions that could materially change the decision.

Where an Assessment Sits

  1. Building Performance Review
  2. Lighting Assessment
  3. Analysis
  4. Decision

BPR or Assessment

Existing Conditions

Document the relevant conditions rather than assuming them.

  • Lighting-system conditions
  • Space context
  • Controls
  • Operating patterns
  • Available information

Operating Profile

  1. Use
  2. Schedule
  3. Occupancy
  4. Systems
  5. Maintenance
  6. Capital Context

Evidence Vocabulary

Classify the information behind each finding.

  • Observed
  • Customer Provided
  • Documented
  • Assumed
  • Estimated
  • Verified

Fixture Count, Hours, Controls, and Maintenance

  • Counts and Wattages

    Counts and wattages need system context.

  • Hours

    Posted hours are not automatically lighting runtime.

  • Controls and Maintenance

    Controls and maintenance conditions should be evaluated without inventing savings.

Specialized Conditions

When specialized expertise is required, it is scoped separately with appropriately qualified parties.

  • Engineering
  • Photometric
  • Code
  • Life safety
  • Environmental
  • Hazardous location
  • Healthcare
  • Architectural

Assessment to Decision View

Findings are organized so the decision is visible.

  1. Existing
  2. Proposed
  3. Impact
  4. Decision

Calculator Relationship

Lighting Savings Calculator

Decision Paths

  • Replace
  • Retrofit
  • Control
  • Investigate Further
  • Leave It Alone

Outputs Depend on Scope

A full fixture inventory, CAD drawings, engineering report, photometric study, proposal, or other deliverable is not automatically included. Deliverables are whatever the actual engagement includes.

Evidence, Portfolio, and Data Handling

  • Evidence Trail

    The basis of important inputs and conclusions stays understandable.

  • Portfolio Use

    Assessment information can support portfolio comparison when differences between buildings remain visible.

    Portfolio Planning

  • Data Minimization

    Photography, documents, and building information are collected only as necessary and handled according to the approved privacy process.

What an Assessment Is Not

A lighting assessment is not an investment-grade audit, ASHRAE audit, engineering service, architectural service, photometric study, code review, safety or life-safety review, environmental review, utility or incentive approval, guaranteed-savings service, commissioning, or measurement and verification, unless separately and appropriately scoped.

Understand the Existing System Before You Design the Upgrade.

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