Sewer Design Drawing Standards

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Sewer Design

The Manual and Standard Plans for the Design and Construction of Sanitary Sewerage Facilities provides the detailed plans for connecting to the City of Simi Valley Sewer System. The most recent update is dated August 2006.

The following Standard Plans listed in the table below are available to download individually for reference in lieu of downloading the manual in its entirety.

Title of Standard Plan	Standard Plan No.	No. of Sheets
Separation Requirements for Water & Wastewater Lines	40-010	1
Trench Construction and Terminology	40-020	1
Sewer Pipe Trench Backfill & Pavement Detail	40-030	1
Pipe Trench Detail for Proposed Street (superseded by 40-030)	40-035	n/a
Pipe Bedding for Special Conditions	40-040	1
Wastewater Special Support Under/Over Obstruction	40-050	1
Standard Concrete Encasement Type A, B, & C	40-060	1
Reinforced Concrete Trench Slab	40-070	1
Special Pipe Encasement for Drainage Courses	40-080	1
Standard Plugs and Pipe Encasements	40-090	1
Standard 4' and 5' Diameter Precast Manhole	40-100	3
Shallow Manholes	40-110	4
Standard for Manhole Raising with False Bottom	40-115	2
Typical Concrete Base and Joint Detail	40-120	1
Watertight and Standard Manhole Frame and Cover	40-130	1
Manhole Securing Details for Undeveloped Areas	40-140	1
Miscellaneous Manhole Details	40-150	1
Terminal Cleanout Structure, Type "A"	40-160	3
Terminal Cleanout Structure, Type "B"	40-170	2
Typical House Connection	40-180	1
Saddle Connection to Main	40-190	2
Standard House Connection (Sewer Lateral) for Slopes Less than 30%	40-200	1
Deep Cut House Connection (Sewer Lateral Chimney) for Slopes Greater than 30%	40-210	1
Sewer House Lateral at Utility Intersection	40-220	1
House Connection Cleanout	40-230	1
Backwater Valve	40-240	1
Sampling Well	40-250	1
Redwood Checkdam Backfill Stabilizers	40-260	1
Private Pumping Systems	40-270	1
Cleanout Sewer Force Main	40-280	1
Drop Sewer Manhole	40-290	2
Sand Trap	40-300	1
Average Flow - Peak Flow Graph	40-310	1

This Manual covers all phases of work relating to the Sanitary Sewerage System. Sound judgment must be exercised in the application of the Manual's provisions to specific circumstances.

Modification or Deviation

Requests to modify or deviate from a standard within this manual may be made. Such requests must be presented in writing for the City's approval, through the Director of the Public Works, clearly specifying the modifications or deviations, clearly describing the nature and purpose of the modification or deviation, and citing the standard to which such change applies.

References to other published engineering standards (not other municipal standards, rather general engineering standards) are encouraged where applicable.