Solar Inspections by Drew Johnson and John Dalton Burnham Energy, Inc.
Introduction Background Burnham’s Role Inspection Methodology Dirty Dozen Burnham’s Services
Burnham Energy, Inc. is a subsidiary of Burnham Nationwide, the nation’s premier permitting, code compliance and sustainability consulting services company. 3,000 cities across the United States Fortune 500 companies 20 years of experience 100,000 permits nationwide Burnham Energy, Inc. focuses primarily on providing solar services, particularly PV inspection services. Inspected in over 25 states Network of 20+ inspectors 3,000+ inspections NABCEP certified or equivalent Introduction
Burnham Inspection Methodology Our inspectors are trained to look at an entire system and document all aspects of the system. We have an in-house staff that reviews the inspections and makes additional commentary ensuring that NEC guidelines are met and manufactures specifications have been followed Once all of the documentation is reviewed reports are produced accompanied by any other data pertinent to the system. Link to report example: Click hereClick here 1.Inspect components on the roof: Modules Racking Stand off Flashing Wire Management Grounding Junction Boxes Conduit Roof Condition/Damages 2.Inspect components at ground level: Main Service Panel Wire Sizing Breaker Size Interconnection Monitoring System Inverter Disconnects
Burnham Inspection Methodology
Burnham Inspection Methodology
Solar Dirty Dozen Burnham conducted a study – Sample size of 100 reports 2010 released our first issued of Solar Dirty Dozen 2014 Part 2 of Solar Dirty Dozen released Findings: Same issues No improvement with quality.
Solar Dirty Dozen 1. Manufacturer’s specifications violations 2. Shared raceways with high and low voltage wires 3. In appropriate roofing methodology use for attachments and penetrations 4. Poor wire management; resulting in “hangers,” pinched wires and unprotected conductors 5. Improper grounding methods 6. Inappropriate use of wire nuts 7. Incorrect installation and/or inappropriate installation of a junction box 8. Non-compliance with NEC Code Point of Connection that addresses the Opposite End Rule (NEC Code (D)(2)) and the 100% Rule Violation (NEC Code (D)(2)) 9. Conduit not properly supported or attached 10. Incorrect installation of an end clamp and/or mid clamp 11. Incorrect labeling of wire and color coding 12. Warning Labels and Signage
100% Center Fed Violation Exposed Conductors Solar Dirty Dozen
Solar Dirty Dozen Mid Clamp installed incorrectlyEnd Clamp installed incorrectly
Solar Dirty Dozen Improper flashing Opposite End Rule
Solar Dirty Dozen
Solar Dirty Dozen L3, used for 208v 3 phase, of an Enphase trunk cable incorrectly installed to a neutral on a 240v system
Solar Dirty Dozen
Solar Dirty Dozen Main breaker severely downsized. Floating box.
Services Inspection Services QA Inspection Vetting Inspection Compliance Inspection BurnhamEYE inspection Application System documentation Quality Review Permitting Services
Contact Information & Resources John Dalton Drew Johnson Lyleen Dauz Resources: Brooks Engineering John Wiles New Mexico, Southwest Technology Dev. Institute International Renewable Energy Council North American Board of Certified Energy Practitioners (NABCEP) National Electrical Code