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13-05-R Block & Base Foundations
Storm Water Quality Permit Application (Amendment/Ownership Change)
Application form for a storm water quality (SWQ) permit.
Last updated: July 2024
02522-01 Standard LDWL Butterfly Valve and Operator Manhole Details
Storm Water Quality Original Owner's Affidavit (OCE-1016)
Storm Water Quality Original Owner's Affidavit
Last Updated: August 2024
Drawing#01571-01 SWPPP Standard Details
02511-03 Standard LDWL Drain Line Valve Details
List of the Currently Adopted Construction Codes (CE1199)
List of the currently adopted codes.
Last updated: 03-07-2024
02517-01 LDWL Tunnel and Casing Details for Water Lines 24-Inch and Larger
2021 Detail for 02517-01 LDWL Tunnel and Casing Details for Water Lines 24-Inch and Larger (effective October 1, 2021)
Last updated: July 6, 2021
Alternate Method Guideline (CE1103)
Guideline for submitting requests for alternate methods, code interpretations and modifications.
Last Updated: January 20, 2026