Verdia Engineering Drawings Checker

• Site conducted

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• Date

  Date

• Checked by

• Drawn By

• Client Name

• Site Name

Drawing QC

• Title Block: Verdia’s project number, format XXXX-XXX(X)-XX and the name of the site

  Yes

  No

  N/A

• Drawing transmittals: title, number , revision , approval , issue

  Compliant

  Non-Compliant

  N/A

• Drawing content: legend, unique identifiers for equipment , cross-referencing , revision clouds , Drawing notes , Drawing format A3 , Font , scaling

  Good

  Fair

  Poor

  N/A

• What are you checking?

  Select PV Array Layout Ground Mount DC Single line Diagram AC Single line Diagram Schedules

  • PV Array Layout
  • Ground Mount
  • DC Single line Diagram
  • AC Single line Diagram
  • Schedules

PV Array Layout

• Dimensioned space between arrays available?

  Yes

  No

  N/A

• Clearance from other objects mentioned?

  Yes

  No

  N/A

• Availability of Rooftop access Drawing with exclusion zones/ safety requirements?

  Yes

  No

  N/A

• The location of weather stations and module temperature sensors specified?

  Yes

  No

  N/A

• Module identifiers and DC optimiser identifiers specified?

  Yes

  No

  N/A

• Proposed inverter locations, with inverters clearly identified?

  Yes

  No

  N/A

• string layout or optimiser mapping drawings clearly specified?

  Yes

  No

  N/A

• Cable reticulation drawing available?

  Yes

  No

  N/A

• Roof penetrations locations specified?

  Yes

  No

  N/A

Ground Mount System

• Is Array frames layout drawing available?

  Yes

  No

  N/A

• Combiner box locations specified?

  Yes

  No

  N/A

• Inverter stations and switchgear locations specified?

  Yes

  No

  N/A

• Roadways details around and within the array?

  Yes

  No

  N/A

• Availability of Hydrology study?

  Yes

  No

  N/A

• Spacing of modules specified?

  Yes

  No

  N/A

• Module clamps details on drawings?

  Yes

  No

  N/A

• Details of any dissimilar metals identified?

  Yes

  No

  N/A

• Array frame and module frame earthing drawing?

  Yes

  No

  N/A

• Array DC isolator installation with details, including weather shield ?

  Yes

  No

  N/A

• Module fly leads and string return cabling mentioned on drawings?

  Yes

  No

  N/A

• Bolt torque settings that have been specified by manufacturers?

  Yes

  No

  N/A

• Piles / footing details including exact location?

  Yes

  No

  N/A

DC Single Line Diagram

• Specifications (make, model, voltage and current rating) of all DC protection and isolation devices available on drawing?

  Yes

  No

  N/A

• The Voc, Isc, Vmp and Imp of all strings available on drawing?

  Yes

  No

  N/A

• The number of modules in each string clearly identified?

  Yes

  No

  N/A

• Specifications (make, model number, nominal rating) of inverters, Panels, DC optimisers available on drawing?

  Yes

  No

  N/A

• Availability of Cable identifiers?

  Yes

  No

  N/A

AC Single Line Diagram

• Isolation points for all generators on site clearly identified?

  Yes

  No

  N/A

• Circuit breakers / isolators details with phases details on SLD?

  Yes

  No

  N/A

• Cables details ( size , phases , type) ?

  Yes

  No

  N/A

• Auxiliary equipment details available?

  Yes

  No

  N/A

• CT details?

  Yes

  No

  N/A

• Availability of Switchgear details: Form of construction, fault level , Fault time , Arc flash hazard risk category ?

  Yes

  No

  N/A

• Earthing schematic (for HV installations and sites with customer owned HV assets)?

  Yes

  No

  N/A

• All protective earthing conductors identified on SLD?

  Yes

  No

  N/A

• Equipment schedule that includes make, model , quantity.

  Yes

  No

  N/A

Schedules

• DC cable schedule: Cable identification, conductor details, CCC, derating, From, to , installation method ?

  Yes

  No

  N/A

• AC cable schedule: Cable identification, conductor details, CCC, derating, From, to, installation method ?

  Yes

  No

  N/A

• Schedule of protection settings?

  Yes

  No

  N/A