Public Works Standards & Specifications Manual

2023 Missoula City Public Works Standards & Specifications Manual

This version of the Missoula City Public Works Standards & Specifications Manual (MCPWSS) is in effect from January 1, 2023, until its next update. All new projects, as well as any that have not yet submitted Stage 3 of the Public Infrastructure Review Stage Process, must follow the standards and specifications, stage checklists, and standard drawings for the 2023 manual version shown below.

**Tip for manual users:  Hold down the Ctrl button while clicking on a document link. This will open the linked document in a new window.**

On January 10, 2023, Public Works & Mobility Department engineering staff presented a review of the manual changes for the 2023 edition. A recording of the presentation is available:  Presentation Recording.

To ask questions or make comments about the manual, please email using the Manual Comment Form.


Chapter 1 – General Provisions (in progress)

Appendix 1-A—Definitions
Appendix 1-B – MCPWSS Manual Comment Form

Chapter 2 – Construction Within the Right-of-Way

Appendix 2-A – Standard Modifications to MPWSS
Appendix 2-B – Standard Drawings (link to web page)
Appendix 2-C – Services in Right-of-Way Request
Appendix 2-D – Street or Alley Closure Notice Templates 
Appendix 2-E – Pre-Con Meeting Agenda & Safety Checklist
Appendix 2-F – Municipal Utility Easement Template

Chapter 3 – Improvement Plans

Appendix 3-A – Building Permit Application Submittal Checklists
Appendix 3-B – Public Infrastructure Review – Stage Process Checklists
Appendix 3-C – MFE Packet Requirements
Appendix 3-D – Public Infrastructure Review Stage Process Roadmap
Appendix 3-E – Improvements Agreement & Security Procedures

Chapter 4 – Water System

Appendix 4-A – Cross-Connection/Backflow Protection Program
Appendix 4-B – Water Ditch Card Template (updated 1-21-2022)
Appendix 4-C – Allowable Non-Storm Water Discharges Policy

Chapter 5 - Sanitary Sewer System

Appendix 5-A – 2021 City of Missoula STEP Manual
Appendix 5-B – FOG Sector Control Program
Appendix 5-C – Grease Interceptor Sizing Worksheet
Appendix 5-D – Sewer Ditch Card Template

Chapter 6 – Stormwater System

Appendix 6-A – Stormwater Management Site Plan Review Checklist
Appendix 6-B – Stormwater Site Evaluation Form
Appendix 6-C – Stormwater Drainage Report Content
Appendix 6-D – Stormwater Facility Maintenance Agreement
Appendix 6-E – Operation and Maintenance Manual
Appendix 6-F – Test Pit Infiltration Test Method
Appendix 6-G – Infiltration Testing Exemption Map

Chapter 7 – Transportation System

Chapter 8 – Erosion Control

Appendix 8-A – City Stormwater Compliance Permits Flow Chart
Appendix 8-B – Stormwater Permit Application
Appendix 8-C – Erosion Control Site Plan Review Checklist
Appendix 8-D – Landscape Agreement Form
Appendix 8-E – Construction Site Inspection Form

Summary of Changes for All Chapters