Engineering Directives and Policies
What are Engineering Directives?
RWRD is in the process of clarifying and improving the design standards and details for sewer conveyance systems. New standards and modifications to standards are included in Engineering Directives.
Please incorporate these Directives in your design of sewer conveyance systems.
Engineering Directives can also be found under Standard Details, organized by section.
New Engineering Directives and Policies
Sewer Design and As-built Slope Annotation, effective January 1, 2010
Sewer Pipe Slope and Manhole Invert Construction Tolerances, effective May 1, 2009
The draft policy for CCTV Inspection for New Sewer Construction Acceptance has been finalized in this new directive
Policy includes procedure for requesting RWRD assistance with private HCS repairs
All Engineering Directives
Private
Service Lateral (HCS) Design and Construction Requirements
March 28, 2007. Based on the 2005-01 Directive, this form is a required submittal ensuring adherence to RWRD's HCS cleanout standards and listing all lots with buried HCS cleanouts.
Memorandum of Understanding Regarding Construction of Private Cleanouts (PDF). Also available as a Word file.
Manhole
with Joint Reinforcement - Standard Detail 223
Public
Sewer Stub-Out
Engineering
Standards Committee
Maintenance
Vehicle Access Within Cul-de-Sacs
Short
Easement Access
Private Sewer Laterals in a Terminal Manhole
Flow
Management Considerations During Design
Cones and Grade Rings in Manhole Construction
Survey Cut Sheet Deliverable
This form is the standard form for written or typed data. If an electronic survey download is used, the form may be replaced, but all information and table format must be retained.
Survey Cut Sheet Deliverable Form (PDF). Also available as a Word file.
Manhole Invert Slopes
Manhole Interior Coating Requirements
Revised Sand Bedding for Sanitary Sewers - Standard Details WWM-104 and WWM-105
CCTV Inspection for New Sewer Construction Acceptance
Sewer Pipe Slope and Manhole Invert Construction Tolerances
Sewer Design and As-built Slope Annotation, effective January 1, 2010
Ordinances
Policy includes procedure for requesting RWRD assistance with private HCS repairs
Engineering Policies
Cancellation of previous variance
