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CHAPTER 11.05: ENGINEERING AND DESIGN STANDARDS AND CONSTRUCTION STANDARDS
Section
General Provisions
   11.05.010.010   Purpose
   11.05.010.020   Adherence to standards
   11.05.010.030   Adoption of Montana Public Works Standard Specifications
   11.05.010.040   Public right-of way permit
   11.05.010.050   Interruption of service
   11.05.010.060   Liability insurance and bonding
   11.05.010.070   Horizontal and vertical control
   11.05.010.080   Drawings scales
   11.05.010.090   Drawing requirements
   11.05.010.100   Utility drawing requirements
   11.05.010.110   Roadway drawing requirements
Water Systems
   11.05.020.010   General
   11.05.020.020   Water mains; design considerations
   11.05.020.030   Water service lines
Sanitary Sewer Systems
   11.05.030.010   General
   11.05.030.020   Sanitary sewer mains
   11.05.030.030   Sewer service lines
   11.05.030.040   Lift station
Stormwater Management
   11.05.040.010   General
   11.05.040.020   Storm drainage plans and report
   11.05.040.030   Methods of design
   11.05.040.040   General design requirements
   11.05.040.050   Storm sewer system; minimum requirements
   11.05.040.060   Flow control and retention/detention pond design requirements
   11.05.040.070   Detention facilities minimum requirements
Streets and Transportation
   11.05.050.010   Overview
   11.05.050.020   Transportation design standards
Erosion and Sedimentation Control
   11.05.060.010   Purpose
   11.05.060.020   Minimum criteria for an erosion control plan
   11.05.060.030   Erosion and sediment control plan (ESCP)
   11.05.060.040   Best management practices for an ESCP
   11.05.060.050   Stormwater pollution prevention plan
Modifications to MPWSS
   11.05.070.010   Contractor quality control and owner quality assurance
   Appendix A:   Standard drawings
GENERAL PROVISIONS
§ 11.05.010.010 PURPOSE.
   The purpose of these engineering and design standards and construction standards is to promote maximum uniformity to engineering design and construction practices that will provide the city with complete, quality construction drawings and specifications. In turn, it is expected public infrastructure construction will have uniformity in materials and workmanship that will provide the city infrastructure that lasts well beyond its expected design life and does not require additional maintenance outside the standard maintenance associated with various components of infrastructure.
(Prior Code, § 11.05.010.010) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)
§ 11.05.010.020 ADHERENCE TO STANDARDS.
   It is the policy of the city and Public Works Department (PWD), that in most cases, adherence to these adopted standards will not create undue hardship or not be in the public’s best interest.
   (A)   However, when unique circumstances make adherence to these standards impractical, or would create a condition detrimental to the public interest, the PWD will consider alternate solutions.
   (B)   Any alternate solutions must follow sound engineering and/or construction practices.
   (C)   The City Council will consider deviation requests from these standards, after review and recommendation from the Public Works Committee.
(Prior Code, § 11.05.010.020) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)
§ 11.05.010.030 ADOPTION OF MONTANA PUBLIC WORKS STANDARD SPECIFICATIONS.
   The city adopts the current edition of the Montana Public Works Standard Specifications (MPWSS).
   (A)   Modifications to the MPWSS are set forth in this document.
   (B)   These changes and/or additions shall in all cases either govern over the MPWSS, where applicable, or shall work in conjunction with the MPWSS where applicable.
(Prior Code, § 11.05.010.030) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)
§ 11.05.010.040 PUBLIC RIGHT-OF WAY PERMIT.
   All construction, excavation or other work on public or private property which will necessitate the use of the public right-of-way or easement shall require a public right-of-way permit issued by the Public Works Department.
   (A)   The work authorized by the permit includes, but is not limited to, street construction and repair, water, sewer, and storm system construction and repair, utility connections and repair, landscaping, sidewalk, curbing, and driveway construction and repair.
   (B)   Also included are any other uses of the public right-of-way where there is a possibility of creating a hazard.
   (C)   Examples of hazards are scaffolding, storage of materials or equipment, crane and equipment operations, demolition, sandblasting and painting operations, temporary construction or demolition dumpster placement, and any other use deemed a hazard by the PWD.
   (D)   The permit will not be issued until all insurance and bonding, and their subcontractors shall be required to purchase an excavation permit. Improvements to boulevards in public right-of-way require approval from the City PWD.
   (E)   The adjacent property owner is responsible for all costs associated with construction and maintenance of any boulevard improvements that have been approved.
(Prior Code, § 11.05.010.040) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)
§ 11.05.010.050 INTERRUPTION OF SERVICE.
   (A)   No person or party shall interrupt or restore municipal service or access to any customer or property without the express consent of the PWD.
   (B)   Any construction that will interrupt the normal operation of city sewer or water or transportation facilities, in which consent by PWD has been given requires notification to property owners and/or residents.
      (1)   The certification will identify the location, day, time and duration of the street closer or service interruption.
      (2)   The contractor shall notify the City Police and Fire Department at least 48 hours prior to any street closures.
      (3)   The Fire Department will also be given said notice for water main interruptions.
(Prior Code, § 11.05.010.050) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021)
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