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Design Manuals

All manuals are in PDF

DESCRIPTION	SIZE	DOCUMENT DATE
Project Preparation Instruction Manual For Drainage Facilities	2,988 KB: 71 pages	February 1988
Standard Plan Manual	12,206 KB: 263 pages	2000 Edition
- Los Angeles County Standard Plans 3080-3	237 KB: 3 pages	January 2008
- Los Angeles County Standard Plans 3054-0	1,429 KB: 66 pages	January 2008
Debris Dams and Basins Outlet Works	348 KB: 5 pages	March 2005
Hydraulic Design Manual	5,704 KB: 144 pages	March 1982
Structural Design Manual	18,863 KB, 284 pages	April 1982
- Design of Cast-In-Place and Pre-Cast Box Conduits with new Box Loading Diagrams	621 KB: 25 pages	January 2008
- Design of Reinforced Concrete Pipe	373 KB: 24 pages	January 2008
Cost & Quantity Estimating Manual	2,308 KB: 80 pages	January 1983
Debris Dams and Basins Design Manual	16,383 KB: 76 pages
Structural Design of Storm Drain, Computer Application Manual	2,151 KB: 62 pages
Water Surface Pressure Gradient Hydraulic Analysis Computer Program F0515P (Documentation)	7,381 KB: 209 pages	April 1979
Water Surface Pressure Gradient Hydraulic Analysis Computer Program F0515P (User Manual)	3,671 KB: 118 pages	April 1979
Guidelines for Overbuilding and Air Rights	760 KB: 14 pages	June 2004
County of Los Angeles Low Impact Development (LID) Standards Manual	22.4 MB: 496 pages	February 2014

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If you have any question or concerns regarding these manuals please contact:
LA COUNTY DEPT. OF PUBLIC WORKS
ATTN. CASHIERS
900 S. FREMONT AVE.
ALHAMBRA, CA 91803
(626) 458-6959