Memo To Designers




T.O.C		Table of Contents


		CONTENTS - VOLUME I
Section 1		General (Policy and Procedure)
	1-0	Routine Screening and Updating of Memos and Manuals (Metric)		Mar 1998
	1-0 Attachment A		Memo Responsibility (Metric)	Mar 1998
	1-1	Division of Structures - Organization Chart		May 1993
	1-2	Structure Design Technical Committee		Dec 1998
	1-2 Attachment 1		Structure Design Technical Committee	Dec 1998
	1-2 Attachment 2		Individual Technical Specialists	Dec 1998
	1-2 Attachment 3		Individual Technical Committee	Sep 1993
	1-3	Checking Procedure		Jan 1989
	1-3 Attachment A		Checking Procedure	Jan 1989
	1-4	Estimated Design Hours for Bridges and Related Structures		Apr 1992
	1-4 Attachment A		Estimated Design Hours	Apr 1992
	1-5	Distribution of Plans		Dec 1994/Apr 1996
	1-5 Attachment A		Distribution of Unchecked Details for Earth Retaining Systems <<Interim	Oct 2005
	1-6	Retention of Project Records		Apr 1991
	1-6 Attachment A		Computer File Archive Worksheet (Example)	Apr 1991
	1-7	Retention of Standard Sheet Backup Date		Dec 1990
	1-7 Attachment A		Location of Backup Calculations for Standard Sheet (Form)	Dec 1990
	1-8	Advance Planning Studies		Aug 1992
	1-8 Attachment A		Example	Mar 1991
	1-10	Considering Bridge Security During Design (Metric)		Aug 2004
	1-11	Stage Construction Future Widenings		Jul 1989
	1-11 Attachment A		Provision for future Widening	Jul 1989
	1-13	Disposition of Plans Specifications and Estimates (PS & E)		Mar 1989
	1-13 Attachment		Form DPD - SD51 (Rev 5/78)	Mar 1989
	1-15	Telephone Calls from Contractors and Suppliers		Jan 1999
	1-16	Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New		Mar 2002
	1-16 Attachment 1		Release of Structure's Electronic Contract PlanFiles (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 2A		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 2B		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 2C		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 2D		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 2E		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 3A		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 3B		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 3C		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-16 Attachment 3D		Release of Structure's Electronic Contract Plan Files (After Award)(Metric)<<New	Mar 2002
	1-20	''As Built Plans'' for Bridges and Structures		Nov 1988
	1-20 Attachment 1		Procedure on ''As Builts'' for State PS & E Bridge and Structures	Nov 1988
	1-20 Attachment 2		Procedure on ''As Builts'' for Local Agency PS & E Bridge and Structures	Nov 1988
	1-21	Bridge "As Built Plans" Changes<<(Coming soon)		Oct 1992
	1-21 Attachment A		Form DS-D0011<<(Coming soon)	Oct 1992
	1-22	Scheduling Graph		Apr 1989
	1-22 Attachment		Office of Structure Design Scheduling Bridge Projects	Apr 1989
	1-23	Hydraulic and Hydrologic Data (Metric)		Oct 2003
		Lightweight Masonry Approved for Use on Structures		Oct 2003
		Caltrans Bridge Design Specifications, Section 2.7.3.2.1		Sep 2003
	1-29	Type Selection Review Meeting (Metric) <<Update		Jul 2001
	1-29 Attachment 1		Structure Type Selection (Metric) <<Update	Jul 2001
	1-29 Attachment 2		Request for Type Selection Meeting (Metric) <<New	Jul 2001
	1-29 Attachment 3		Type Selection Memo (Metric) <<New	Jul 2001
	1-29 Attachment 4		Type Selection Recommendations (Metric) <<New	Jul 2001
	1-29 Attachment 5		Type Selection Review Meeting for Earth Retaining Structures (Metric) <<Interim	Oct 2005
	1-32	Use of Trade Names in Plans and Specifications (Metric)		Jan 1999
	1-32 Attachment 1		Policy For Using Trade Names - (from PS & E Guide)(Metric)	Jan 1999
	1-35	Foundation Data <<Update		Mar 1998
	1-35 Attachment A		Earth Retaining Structure Foundation Review <<Interim	Nov 2004
	1-36	Structure Project Engineer's Responsibility for Monitoring Delivery of PS & E Packages		Mar 1991
	1-37	Duties of Project Designer		Apr 1995
	1-38	Project Administrative Records		May 1989
	1-38 Attachment A		Correspondence Record	May 1989
	1-38 Attachment B		Telephone Memo	May 1989
	1-38 Attachment C		Project Engineer's Checklist	May 1989
	1-38 Attachment D		Print Distribution	May 1989
	1-38 Attachment E		Historical Cost Record	May 1989
	1-38 Attachment F		Check List (Final Check on Completed Sets)	May 1989
	1-38 Attachment G		Check List (Check on Road Plans)	May 1989
	1-39	Communication with Field Personnel		May 1989
	1-40	Processing Standard Plans and Bridge Standard Detail Sheets		Aug 1986
	1-45	Availability of Structure Slides		Feb 1989
	1-46	Process for Establishing Depth of Footing to Compensate for Expected Scour		Feb 1990
	1-47	General Notes		Oct 2007
	1-47 Attachment 1	Load Factor Design or Load and Resistance Factor Design		Oct 2007


Section 2		Plan Preparation
	2-1	Detailing Contract Plans in Metric		Apr 1996
	2-1 Attachment A		Preferred Metric Scale	Apr 1996
	2-2	Deck Contour (Metric)		Jan 1999
	2-2 Attachment 1		From DS-D134 (Rev 12/88)(Metric)	Jan 1999
	2-11	Bridge Numbering System		Feb 1993
	2-11	Bridge Numbering System (Metric)		May 1996
	2-11 Attachment A		Earth Retaining Structures Numbering Responsibility <<Interim	May 2004
	2-11 Attachment B		Earth Retaining Structures Bridge Number Form <<Interim	May 2004
	2-25	Review of Road Plans		May 1989
	2-25 Attachment		Routing and Transmittal of Road Plans	May 1989


Section 3		Piles
	3-0	Pile Foundation Design		Mar 1989
	3-1	Deep Foundations		Jul 2008
	3-1 Attachment 1		Design Procedure and Examples	Jul 2008
	3-1 Attachment 2		CIDH Inspection Tubes	Dec 2008
	3-1 Attachment 3		Equivalent Standard Metric Sizes	Jul 2008
	3-4	Piles Adjacent to Existing Roadway or Private Property		Oct 1988
	3-6	Large Diameter Hollow Prestressed Driven Piles		Oct 1988


Section 4		Footings
	4-1	Spread Footing		Apr 2008
	4-1 Attachment 1		Preliminary Foundation Design Data Sheet	Apr 2008
	4-1 Attachment 2		Foundation Design Data Sheet	Apr 2008
	4-1 Attachment 3		Spread Footing Data Sheet	Apr 2008
	4-2	Superimpose Footing Locations on Log of Test Borings Sheet		Oct 1988


Section 5		Abutments and Retaining Walls
	5-1	Abutments		Oct 1992
	5-1	Abutments (Metric)		May 1996
	5-2	Diaphragm Abutments		Oct 1992
	5-2	Diaphragm Abutments (Metric)		May 1996
	5-3	Structure Approach		Dec 1992
	5-3	Structure Approach (Metric)		May 1996
	5-3 Attachment A		Selection Process for Structure Approach Pavement System on PCC Pavement (Metric)	May 1996
	5-3 Attachment B		Selection Process for Structure Approach Pavement System on AC Pavement (Metric)	May 1996
	5-7	Earth Retaining System Safety Railing (Metric) <<Update		Jan 2005
	5-8	Mechanically Stabilized Embankment		Jan 1991
	5-8 Attachment A		Implementaton of PS&E	Jan 1991
	5-8 Attachment B		Outline of Design Responsibilities	Jan 1991
	5-10	Slope Treatment Under Structures		Apr 1989
	5-12	Earth Retaining Structures Using Tiebacks		Aug 1990
	5-14	Review of Working Drawings for Tieback Anchors		Oct 1988
	5-16	Review of Working Drawings for Proprietary Earth Retaining Systems		Apr 1992
	5-17	Earth Retaining Structures (Costs)		Feb 1989
	5-17 Attachment		Earth Retaining Structures (Graph)	Feb 1989
	5-18	Soil Nail Walls		Jan 1991
	5-18 Attachment A		Soil Nail Working Drawings Review Process <<Interim	Oct 2004
	5-20	Foundation Report/Geotechnical Design Report Checklist for Earth Retaining Systems (Metric)		Aug 2004


Section 6		Bents and Piers
	6-1	Column Analysis Considerations (Metric)		Oct 2001
	6-1	Column Analysis Considerations <<Update		Feb 2009
	6-5	Reinforced Concrete Pier Walls (Metric)		Feb 1999
	6-5 Attachment 1		Percentage and Spacing Requirements for Pier Wall Reinforcement (Metric)	Feb 1999
	6-5 Attachment 2		Pier Wall Example Reinforcement for Lightly Loaded Walls (Metric)	Feb 1999


Section 7		Bearing & Expansion Devices
	7-1	Bridge Bearings		Jun 1994
	7-1 Attachment 1		Prestress Shortening	Jun 1994
	7-1 Attachment 2		Structure for Examples 2 and 3	Jun 1994
	7-1 Attachment 3		Structure for Examples 4 and 5	Jun 1994
	7-1 Attachment 4		PTFE/Spherical Expansion Bearing Details	Jun 1994
	7-10	Bridge Deck Joints and Deck Joint Seals		Sep 1994
	7-10 Attachment 1		Calculation of Points of No Movement	Sep 1994
	7-10 Attachment 2		Joint Movements Calculations	Sep 1994
	7-10 Attachment 3		Maximum Contributory Structure Length	Sep 1994
	7-10 Attachment 4		Prestress Shortening	Sep 1994
	7-10 Attachment 5		Approximate Properties for Preformed Elastomeric Joint Seals Type B Manufacturer's Nominal Properties for Design Data Only	Sep 1994
	7-10 Attachment 6	Typical Alternate Joint Seal Assembly		Sep 1994
	7-10 Attachment 7		Size Blockout Dimensions	Sep 1994
	7-10 Attachment 8		Typical Modular Joint Seal Assembly	Sep 1994
	7-10 Attachment 9		Bridge Deck Joint Rehabilitation Projects	Sep 1994


Section 8		Deck Slabs
	8-2	Protection Against Deicing Chemicals and Freeze-Thaw Environment		Aug 1994
	8-2 Attachment A		California State Highways Environmental Areas	Jun 1989
	8-2 Attachment B		California State Highway Listing by Environmental Area and Post Mile	Jun 1989
	8-5	Overlays on Existing Bridge Decks (Metric)		May 1996
	8-6	Use of Prestressed Concrete Deck Panel Stay-in-Place Forms		Apr 1983
	8-7	Permanent Steel Deck Forms for Precast Concrete and Steel Superstructures		Jul 1994


Section 9		Existing Bridges
	9-1	Dependent Dimension		Mar 1989
	9-2	Maintenance Rating		Mar 1986
	9-2	Maintenance Rating (Metric)		May 1996
	9-2 Attachment 1		Standard Permit Rating and Design Vehicles with Purple Loads	Mar 1986
	9-2 Attachment 1		Standard Permit Rating and Design Vehicles with Purple Loads (Metric)	May 1996
	9-3	Widening Existing Bridges		Apr 1991
	9-4	Live Loads and Stresses Historical Background		Jan 1986
	9-5	Removal of Existing Bridges		May 1986
	9-6	Permit Upgrading		Dec 1982
	9-7	Strengthening Steel Girder Bridges for Live Loads		Sep 1989
	9-7 Attachment A		Strengthening Steel Girder Bridges for Live Loads	Sep 1989
	9-8	Widening Closed End Cellular Abutments (Metric) <<New		Feb 2002


Section 10		Reinforced Concrete Box Girders
	10-1	Reinforced Concrete Strength Requirements (Metric)		Apr 1999
	10-5	Protection of Reinforcement Against Corrosion Due to Chlorides, Acids Sulfates (Metric) <<New		Jan 2002
	10-6	Use of Prefabricated Epoxy Coated Reinforcement in Marine Environment (Metric) <<New		Jan 2002
	10-20	Deck and Soffit Slabs		May 2008
	10-20	Attachment 1		May 2008
	10-20	Attachment 2		May 2008
	10-20	Attachment 3		May 2008


Section 11		Precast and/or Prestressed
	11-1	Review of Working Drawings - Prestressed Concrete		Jun 1993
	11-1 Attachment 1		Cast-in-Place Post Tensioning System Contractors	Oct 1996
	11-3	Designer's Check List for Prestressed Concrete		Mar 1994
	11-3	Designer's Check List for Prestressed Concrete (Metric)		Nov 1996
	11-4	Simple Span Cast-in-Place Post Tensioned Girder		Dec 1988
	11-8	Design of Precast Prestressed Girders		Mar 1994
	11-8	Design of Precast Prestressed Girders (Metric)		Nov 1996
	11-9	Economical Precast Girders		Mar 1994
	11-18	Stressing Incomplete Bridges		Dec 1988
	11-21	Strength Requirement - Prestressing Steel		May 1989
	11-21	Strength Requirement - Prestressing Steel (Metric)		Nov 1996
	11-23	Use of Pf x e Diagrams		Jan 1994
	11-28	Prestress Clearances for CIP P/S Box Girder Structures		Jan 1994
	11-28	Prestress Clearances for CIP P/S Box Girder Structures (Metric)		Nov 1996
	11-28 Attachment 1		Prestress Clearances for CIP P/S Box Girder Structures	Jan 1994
	11-28 Attachment 1		Prestressed Clearances for CIP P/S Box Girder Structures (Metric)	Nov 1996
	11-28 Attachment 2		Clearance Requirement for Ducts (Metric)	Nov 1996
	11-28 Attachment 3		''D'' Chart for Cast-in-Place Girders	Jan 1994
	11-28 Attachment 3		''D'' Chart for Cast-in-Place Girders (Metric)	Nov 1996
	11-30	Horizontal Curvature Friction in Post-Tensioning		Jun 1992
	11-30	Horizontal Curvature Friction in Post-Tensioning (Metric)		Nov 1996
	11-31	Curved Post-Tensioned Bridges		Mar 1994
	11-31	Curved Post-Tensioned Bridges (Metric)		Nov 1996
	11-34	Hinge Curl		Sep 1994
	11-34	Hinge Curl (Metric)		Nov 1996


Section 12		Steel
	12-1	Review of Working Drawings - Steel Structures		Jul 1989
	12-2	Guidelines for Identification of Steel Bridge Members (Metric)		Aug 2004
	12-3	Camber of Steel-Concrete Composite Girders (Metric)		Aug 2004
	12-4	Criteria for Control Dimension "Y" on Steel Girders(Metric)		Aug 2004
	12-5	Complete Joint Penetration and Partial Joint Penetration Groove Welds (Metric)		Aug 2004
	12-6	Field Welding Near Elastometric Bearing Pads (Metric)		Aug 2004
	12-7	Catwalks on Steel Bridges (Metric)		Aug 2004
	12-11	Galvanizing Tanks (Metric)		Aug 2004


Section 13		Pedestrian Structures
	13-1	Pedestrian Grade Separations (Overpasses and Underpasses) Compliance for the Physically Handicapped		Jun 1989
	13-2	Physically Handicapped Compliance Approval		Jul 1989


Section 14		Railings and Barriers
	14-3	Double Railing on Bridges		Oct 1988
	14-4	Pipe Handrailing - Pipe Railing		Jul 1988
	14-6	Bridge Railing Replacement		Feb 1989
	14-6 Attachment		Bridge Barrier and Culvert Railings	Sep 1994
	14-8	Chain Link Fencing on Structures		Oct 1988
	14-10	MBGR Connection to Barrier Railing Type 9, 9-11		May 1989
	14-10 Attachment 1		Modified MBGR Connection Details - Barrier Railing Type 9 and 9-11 - Sheet 1 of 2	May 1989
	14-10 Attachment 2		Modified MBGR Connection Details - Barrier Railing Type 9 and 9-11 - Sheet 2 of 2	May 1989
	14-14	Crash Cushions		Jan 1989
	14-14 Attachment A		Crash Cushions	Jan 1989
	14-14 Attachment B		Design Guide - Crash Cushion - Sand Filled -Typical Installations	Jan 1989
	14-14 Attachment C		Vehicle Crash Cushion Layout - Gores at Existing Structure Columns	Jan 1989
	14-14 Attachment D		Vehicle Crash Cushion - Hex Foam	Jan 1989
	14-14 Attachment E		Temporary Crash Cushion (CZ G R E A T)	Jan 1989
	14-19	Temporary Railing		Apr 1990


Section 15		Structural Analysis
	15-14	Loads for Temporary Highway Structures <<Update		Feb 2004
	15-14 Attachment 1		Loads for Temporary Highway Structures <<Update	Feb 2004
	15-15	Materials Hauling Equipment Loading <<Update		Feb 2007
	15-16	Crane Loads on Structures While Under Contract Administration		Jul 1969
	15-17	Future Wearing Surface		Dec 1988
	15-18	Additional Dead Load on Bridge Decks		Sep 1988
	15-20	Live Load Distribution by Three Dimensional Analysis		Jun 1988
	15-20 Attachment A		Concrete Box Girder Live Load Distribution by Lanell for Special Loads	Jun 1988


Section 16		Deflections
		Deleted <<Update		May 2005


Section 17		Railroads
	17-100	General		Apr 1989
	17-101	Correspondence with Railroads		Mar 1989
	17-102	Railroad Standard Drawings		Mar 1989
	17-105	Clearances		Apr 1992
	17-106	Modifications That Affect Railroad Clearance		Apr 1989
	17-110	Falsework Requirements for Various Railroads		Apr 1992
	17-115	Railroad Bridges Superstructure Depths		Mar 1991
	17-120	Special Requirements of Railroad Companies		Jan 1991
	17-121	Western Pacific Railroad Company		Apr 1989
	17-125	Drainage at Overheads		May 1989
	17-130	Railroad Live Loading and Impact		Apr 1989
	17-135	Surcharge from Railroad Loading		May 1989
	17-140	SPT Co Supplemental Requirements to Chapter 8 AREA Specifications		Aug 1989


Section 18		Drainage and Utilities
	18-1	Bridge Deck Drainage		Jun 1989
	18-1	Bridge Deck Drainage (Metric)		Sep 1996
	18-2	Utilities and Openings for Future Utilities In Bridge		Feb 1990
	18-2	Utilities and Openings for Future Utilities In Bridge (Metric)		Jul 1996
	18-2 Attachment		Encroachments on Bridges	Feb 1990
	18-2 Attachment		Encroachments on Bridges (Metric)	Jul 1996
	18-3	Supply Lines, Communication Conduit and Sprinkler Control Conduit on Bridges		Dec 1990


Section 19		Estimating
		No Items Are Currently In This Section


Section 20		Seismic
	20-1	Seismic Design Methodology (Metric)		Jan 1999
	20-1	Index to Seismic Related Memos (Metric)		Jan 1999
	20-2	Seismic Requirements for Stage Construction		Nov 1989
	20-3	Restrainers at Support Joints <<New		Jul 2008
	20-4	Seismic Retrofit Guidelines for Bridges in California <<New		Jul 2008
	20-4 Attachment A		Seismic Retrofit Guidelines for Bridges in California <<New	Jul 2008
	20-5	Identifying Seismic Design Criteria In The General Notes (Metric) <<New		Feb 2003
	20-5 Attachment A		General Notes Examples (Metric) <<New	Feb 2003
	20-6	Seismic Strength of Concrete Bridge Superstructures <<New		Aug 2001
	20-6 Attachment 1		Demand Procedure (Metric) <<New	Aug 2001
	20-6 Attachment 2		Capacity Procedure (Metric) <<New	Aug 2001
	20-7	Use of Ductility Procedures and Tools in the Seismic Retrofit of Bridges		Feb 1994
	20-9	Splices in Bar Reinforcing Steel (Metric) <<New		Aug 2001
	20-9 Attachment 1		Strain Requirements in an Ultimate Splice (Metric) <<New	Aug 2001
	20-10	Surface Fault Rupture Displacement Hazard Investigations <<New		Jan 2007
	20-11	Establishing Bridge Seismic Design Criteria (Metric)		Jan 1999
	20-12	Site Seismicity for Existing and Temporary Bridges Carrying Public Vehicular Traffic (Metric) <<Update		Feb 2003
	20-13	Quantifying the Tsunami Hazard Guidelines <<New		Nov 2007
	20-14	Quantifying the Impacts of Soil Liquefaction and Lateral Spreading on Project Delivery<<New		Jul 2008
	20-14 Attachment 1		Quantifying the Impacts of Soil Liquefaction and Lateral Spreading<<New	Jul 2008
	20-15	Soil Liquefaction and Lateral Spreading Analysis Guidelines<<New		Jul 2008
	20-15 Attachment 1		Soil Liquefaction and Lateral Spreading Analysis Guidelines<<New	Jul 2008


Section 21		Miscellaneous
	21-11	Mounting Signs and Placing Conduit		Sep 1988
	21-11	Mounting Signs and Placing Conduit (Metric)		Jul 1996
	21-12	Bridge Mounted Sign - Barrier Mounted Sign		Aug 1991
	21-13	Overhead Sign Structures		Nov 1988
	21-19	Guidelines for Clearance to Construction Operations		Mar 1989
	21-19	Guidelines for Clearance to Construction Operations (Metric)		Jul 1996
	21-19 Attachment 1		Footing Excavation	Mar 1989
	21-19 Attachment 1		Footing Excavation (Metric)	Jul 1996
	20-19 Attachment 2		Pile Driving and Drilling Small CIDH Piles	Mar 1989
	20-19 Attachment 2		Pile Driving and Drilling Small CIDH Piles (Metric)	Jul 1996
	21-19 Attachment 3		Column Construction	Mar 1989
	21-19 Attachment 3		Column Construction (Metric)	Jul 1996
	21-27	Additional Dead Load on Bridge Decks		May 1968
	21-35	Limits of Widths of Bridge Superstructures		Nov 1988
	21-35	Limits of Widths of Bridge Superstructures (Metric)		Jul 1996
	21-47	Lightweight Concrete		Mar 1986
	21-52	Architectural Treatment of Walls and Columns		Sep 1993
	21-52 Attachment 1		Architectural Treatment of Walls and Columns	Sep 1993


Section 22		Sound Wall
	22-1	Sound Wall Design Criteria <<Update		Aug 2004
	22-2	Soundwall Load Distribution (Metric) <<Update		Feb 2004
	22-5	Sound Wall Plans Format for Projects by Office of Structure Design		Nov 1988
	22-10	Instructions for Using Standard Sound Wall Masonry Block Detail Sheets		Jun 1989
	22-10 Attachment		Instructions for Using Standard Sound Wall Detail Sheets - Masonry Block	Jun 1989
	22-20	Instructions for Using Standard Sound Wall Precast Concrete Panel Detail Sheets		Jun 1989
	22-20 Attachment		Instructions for Using Standard Sound Wall Detail Sheets - Precast Concrete Panel	Jun 1989
	22-25	Instructions for Using Standard Sound Wall-Wood Plank,Plywood Sheet and Framed Plywood Panel Detail Sheets		Jun 1989
	22-25 Attachment		Instructions for Using Standard Sound Wall Detail Sheets - Wood Plank, Plywood Sheet and Framed Plywood Panel	Jun 1989
	22-30	Instructions for Using Standard Sound Wall-Composite Plaster Panel Detail Sheets		Jun 1989
	22-30 Attachment		Instructions for Using Standard Sound Wall Detail Sheets - Composite Plaster Panel	Jun 1989
	22-35	Instructions for Using Standard Sound Wall Ribbed Steel Panels Detail Sheets		Jun 1989
	22-35 Attachment		Instructions for Using Standard Sound Wall Detail Sheets - Ribbed Steel Panels	Jun 1989
	22-50	Sound Wall - Concrete Masonry Blocks		Dec 1988
	22-55	Sound Wall - Design Weight - Concrete Masonry Block		Nov 1988


Section 23		Underground Structures
	23-1	Reinforced Concrete Box Culvert Design		Dec 1992
	23-1	Reinforced Concrete Box Culvert Design (Metric)		Mar 1998