2021 Proposed Manual Updates

2021 Proposed Updates to the Missoula City Public Works Standards & Specifications Manual

The Public Works & Mobility Department has been refining and updating the Manual since it went into effect on November 17, 2020. We would like your feedback on these proposed changes, so below we've included a redline version of the current chapter with the changes indicated by strikeout or underline in red. We've also included a "clean" copy that has the changes incorporated in the text. For an overview of the changes in a chapter, see the Summary of Changes document. Also included is a redline version of each appendix or other document that has proposed updates. Documents with only minor changes (corrected typos, formatting changes, etc.) are not included below.

*Please note that links within the chapters go to the current version of the linked document. If there is a revised document, it will be shown under the appropriate chapter number below. All links will be updated once all revisions are made and approved.

Provide comment or ask questions:

Email your comments and questions to publicworks@ci.missoula.mt.us. Please provide a specific section number, appendix number, drawing number, etc., for each comment, and let us know if you would like us to contact you about your comment.

  • Deadline for comments is September 13, 2021.
  • Presentation to City Council on November 3 or 10, 2021.
  • Updated manual goes into effect November 15, 2021.

Chapter 1 — General Provisions (chapter text expected mid-2022)

Appendix 1-A — Definitions - Redline Version
Appendix 1-A — Definitions - Clean Version

Chapter 2 — Construction Within Right-of-Way

Because this is a new chapter, there is no redline version. Chapter 2 is largely a compilation of the various existing requirements and directives from City municipal code, administrative rules, and best practices. The following Summary of Changes shows areas of Chapter 2 that have been modified from existing regulations.  

NEW - Chapter 2 — Construction Within Right-of-Way

Summary of Changes from Previous Documents

Appendix 2-A — Standard Mods to MPWSS
Appendix 2-A — Standard Mods to MPWSS - Redline Version
Appendix 2-A — Standard Mods to MPWSS - Clean Version

Appendix 2-B—Standard Drawings — Summary of Changes
STD-402 Typ Water Line Crossing at Sewer Mains
STD-404A Typical Residential Water Service Detail
STD-404B Typical Residential Service Stub
STD-405 Valve Detail
STD-406 Valve Thrust Blocking Detail
STD-408 Hydrant Detail
STD-409 Typical Blow-Off Assembly
STD-412 Large -1 12 and 2-Irrigation Meter Pit Detail
STD-414 Sampling Station Detail
STD-415 Typical Valve Locations
STD-416 Typical Service Line Locations

STD-510 Sanitary Sewer Lid
STD-512 Sanitary Sewer Manhole (Sheet 1 of 3)

STD-512 Sanitary Sewer Manhole (Sheet 2 of 3)
STD-512 Sanitary Sewer Manhole (Sheet 3 of 3)
STD-600 Standard Inlet
STD-601 24-inch Standard Inlet
STD-604A Storm Water Ring
STD-604B Storm Water Solid Lid
STD-604C Area Drain Grate
STD-604D ADA Area Drain Grate
STD-605 Storm Water Lockable Lid and Frame
STD-612 Storm Water Manhole (Sheet 1 of 3)
STD-612 Storm Water Manhole (Sheet 2 of 3)
STD-612 Storm Water Manhole (Sheet 3 of 3)
STD-614 Standard Catch Basin
STD-616 Standard 8' Precast Dry Well
STD-620 Bioswale
STD-653 Temporary Access to Construction Sites (previously STD-200)
STD-740 Typical L Type Curb and Gutter
STD-741 Modified L Type Curb and Gutter
STD-744 Asphalt Cutting, Removal and Replacement
STD-746 Mountable Curb and Gutter
STD-751 Curb Ramp Details (4 pgs)
STD-784 ROW-PAE Parking Layout and Design Guidelines

Appendix 2-D — Street and Alley Closure Notice Template (NEW)

Appendix 2-E — Pre-Con Meeting Agenda and Safety Checklist (NEW)

Appendix 2-F — Municipal Utility Easement (Prop Owner Granting Easement to City) Template (NEW)

Chapter 3 — Improvement Plans

Summary of Changes to Chapter 3

Chapter 3 — Improvement Plans - Redline Version
Chapter 3 — Improvement Plans - Clean Version

Chapter 4 — Water System

Summary of Changes to Chapter 4

Chapter 4 — Water System - Redline Version
Chapter 4 — Water System - Clean Version

Chapter 5 — Sewer System

Summary of Changes to Chapter 5

Chapter 5 — Sewer System - Redline Version
Chapter 5 — Sewer System - Clean Version

Appendix 5-A — 2021 City of Missoula STEP Manual - New Version

Appendix 5-B — FOG Sector Control Program 2021 - Redline Version
Appendix 5-B — FOG Sector Control Program 2021 - Clean Version

Appendix 5-C1 — Grease Interceptor Sizing Worksheets (Number change, no content change)
Appendix 5-C2 — Grease Interceptor Variance Request (NEW)

Appendix 5-D — Sewer Ditchcard Template - New Version

Chapter 6 — Stormwater System

Summary of Changes to Chapter 6

Chapter 6 — Stormwater System - Redline Version
Chapter 6 — Stormwater System - Clean Version

Appendix 6-D — Stormwater Maintenance Right to Access Form - Redline Version
Appendix 6-D — Stormwater Maintenance Right to Access Form - Clean Version

Appendix 6-G — Infiltration Testing Exemption Exhibit (NEW)

Chapter 7 — Transportation System

Summary of Changes to Chapter 7

Chapter 7 — Transportation System - Redline Version
Chapter 7 — Transportation System - Clean Version

Chapter 8 — Erosion Control

Summary of Changes to Chapter 8

Chapter 8 — Erosion Control - Redline Version
Chapter 8 — Erosion Control - Clean Version

Infrastructure Review Stage Process

Stage 1 — Project/Development Initiation Summary — No changes

Stage 2 — Conceptual Design Review — Minor changes with no impact on content

Stage 3 — Preliminary Construction Plan Review Summary - Redline Version
Stage 3 — Preliminary Construction Plan Review Summary - Clean Version

Stage 4 — Released for Construction (RFC) Plan Review Summary - Redline Version
Stage 4 — Released for Construction (RFC) Plan Review Summary - Clean Version

Stage 5 — Inspection and Testing Summary - Redline Version
Stage 5 — Inspection and Testing Summary - Clean Version

Stage 6 — Final Inspection and Acceptance Summary -Redline Version
Stage 6 — Final Inspection and Acceptance Summary - Clean Version

Stage 7 — Warranty Inspection Summary - No changes