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Post Install Solar Inspection Letter (CE-1387a)

This is an example of an inspection letter for a typical solar panel system. For a Solar APP+ project, refer to form CE-1387b.

Last updated: Nov. 17, 2022

Stormwater Quality Annual Engineers' Certification (OCE-1020)

Last Updated: January 2025

Renew Annual Storm Water Quality Permit
Storm Water Quality Requirements-Harris
Storm Detention Examples

This guide provides multiple development scenarios and how to calculate the required storm detention. 

Last updated: July 22, 2022

Drawing#01571-01 SWPPP Standard Details
SWQ Guidance Manual
Storm Water Quality Permit Instruction (OCE-1015b)

Storm Water Quality Permit Instruction

Last Updated: August 2024

Example COH SWQMP
Guideline for Residential Energy Backup Systems Utility Service Connections (CE1419)

Last updated: September 2025