Solar Array Audit - pitched roof

Racking type

Racking attachment method to building

Structural reinforcements have been completed per Engineered Drawings

Purlin/top chord tie clips are present per layout and installation requirements

Final review has been completed by Engineer of Record

Final Building Permit sign-off has been completed by local Municipality

Roof fasteners installed per Engineering requirements or recommended practices

Roof penetrations are secure and weather tight

L feet brackets fastened securely and correctly to roof mount hardware and rails

Rails and splices secured and fastened correctly, either single layer or double grid

Expansion joint rail bonding method present and installed correctly

Bonding method for entire racking system, present and installed correctly

Racking PV Module end clamps preinstalled where applicable

Combiner box mounting rails installed where required

PV wiring preinstalled on racking and secured with clips and/or tie wraps

PV wiring secured with spiral wire wrap

PV wire end connectors installed and secure

PV wiring identified per string layout requirements

PV wiring neat and secured adequately to racking and modules

PV Module model number matches construction plans

Number of PV Modules matches construction plans

PV Modules free form cracks and damage

Mid and end clamps present and secured correctly

Frame clamp positions meet module installation requirements

WEEB bonding clips present and installed correctly

PV modules connected in series per string layout

Maintenance walkways installed

Combiner boxes installed correctly

PV wiring routed and installed to combiner boxes per construction plans and common practices

PV wiring secured adequately to terminals in combiner boxes

String voltage and polarity confirmed at combiner box terminals

String fusing installed and meets rated sizing for module strings

Home run conductors adequately secured to combiner box terminals

Racking grounding installed and secured in combiner box(s)

DC home run conductors installed, routed and secured per construction plans

Roof penetrations secure and weather tight

Underground trenching completed and returned to original condition where possible

Correct inverter(s) installed and mounted securely

DC conductors routed tidily and secured to DC disconnect(s) or recombiner(s) where present

DC conductors connected correctly to inverter(s)

DC input voltage and polarity confirmed

Monitoring installed per approved monitoring plan

Is monitoring active

Equipment labels present per ESA requirements

Outdoor labels are rated to withstand elements

ESA final inspection certificate received for PV module installation

ESA connection authorization received for AC & DC electrical services

ESA final inspection certificate received for AC & DC electrical services

COVER and performance testing completed by LDC & Electrical Engineer

PV Analyser system check performed on array and documented

Operation of all AC & DC switches confirmed

Inverter(s) started up and operation confirmed

Switchgear and cabinets present and installed correctly per construction plans and best practices

New transformer installed along with required periphals

Underground trenching completed and returned to original condition where possible