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Regional Wastewater Reclamation Engineering Directives

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Engineering Directives can also be found under Standard Details, organized by section.

Attention Design Engineers!

PCRWRD is in the process of clarifying and improving the design standards and details for sewer conveyance systems. These Directives have recently been approved by the PCRWRD Director, and more will be added in the near future.

Please incorporate the Directives in your design of sewer conveyance systems.

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Engineering Directives

New Notice!

The draft policy for CCTV Inspection for New Sewer Construction Acceptance has been finalized in Eng 2008-17.

New Notice!

Ordinance Governing Repair and Replacement of House Connection Sewers

Department Policy Based on Ordinance and procedure for requesting RWRD assistance with private HCS repairs

New Notice!

DIP PROTECTO 401 coating is no longer an approved coating for DIP sewer pipe.

Pima County Regional Wastewater Reclamation Department (PCRWRD) has recently stopped accepting PROTECTO 401 coated Ductile Iron Pipe for new projects involving sanitary sewer construction. While this restriction will impact new projects, PCRWRD is working toward a resolution of the remaining issues with the PROTECTO 401 manufacturers, and may accept PROTECTO 401 in the future. Please monitor this site for any changes in the status.

Summary of PROTECTO 401 history, problems and activities.

Letter of Explanation cancelling PROTECTO 401 acceptance.


Letter governing use of 20-foot lengths of PVC pipe in sewer construction - cancellation of previous variance.

ENG2005-01 Private Service Lateral (HCS) Design and Construction Requirements

Memorandum of Understanding Regarding Construction of Private Cleanouts - PDF form or Word form - March 28, 2007.
Based on the ENG2005-01 Directive, this form is a required submittal ensuring adherence to PCRWRD's HCS cleanout standards and listing all lots with buried HCS cleanouts.

ENG2005-02 Manhole with Joint Reinforcement - Standard Detail 223

ENG2005-03 Public Sewer Stub-Out

ENG2005-04 Engineering Standards Committee

ENG2005-05 Maintenance Vehicle Access Within Cul-de-Sacs

ENG2005-06 Short Easement Access

ENG2006-08 Private Sewer Laterals in a Terminal Manhole

ENG2006-09 Flow Management Considerations During Design

ENG2006-10 Cones and Grade Rings in Manhole Construction

ENG2006-11 Survey Cut Sheet Deliverable

Download form for Survey Cut Sheet Deliverable - Word File or PDF. (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.)

ENG2006-13 Manhole Invert Slopes

ENG2006-15 Manhole Interior Coating Requirements

ENG2008-16 Revised Sand Bedding for Sanitary Sewers - Standard Details WWM-104 and WWM-105

ENG2008-17 CCTV Inspection for New Sewer Construction Acceptance

 

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Revised October 25, 2007 2:35 PM