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Ontario Provincial Standards
- Volume 1 - Common Construction Specifications
  - Division 1 - General Conditions and Specifications
  - Division 2 - General Grading
  - Division 3 - Pavements
  - Division 4 - Drainage, Watermains, and Utility
    - OPSS 401 Trenching, Backfilling and Compacting
    - OPSS 402 Excavating, Backfilling and Compacting for Maintenance Holes, Catchbasins, Ditch Inlets and Valve Chambers
    - OPSS 403 Rock Excavation for Pipelines, Utilities and Associated Structures in Open Cut
    - OPSS 404 Support Systems
    - OPSS 405 Pipe Subdrains
    - OPSS 406 (Withdrawn*, Repl by OPSS 410) Pipe Sewer Construction by Open Cut Method (MTC) - Cancelled
    - OPSS 407 Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
    - OPSS 408 Adjusting or Rebuilding Maintenance Holes, Catch Basins, Ditch Inlets, and Valve Chambers
    - OPSS 409 Closed Circuit Television (CCTV) Inspection Of Pipelines
    - OPSS 410 Pipe Sewer Installation in Open Cut
    - OPSS 411 Cleaning and Flushing of Pipe Sewers, Catch Basins, Maintenance Holes, Ditch Inlets, and Oil-Grit Separators
    - OPSS 412 Sewage Forcemain Installation in Open Cut
    - OPSS 413 Manure Pipeline Installation in Open Cut
    - OPSS 415 Pipeline Installation by Tunnelling
    - OPSS 416 Pipeline and Utility Installation by Jacking and Boring
    - OPSS 421 Pipe Culvert Installation in Open Cut
    - OPSS 422 Precast Reinforced Concrete Box Culverts and Box Sewers in Open Cut
    - OPSS 441 Watermain Installation in Open Cut
    - OPSS 442 Cathodic Protection of New and Existing Watermains
    - OPSS 450 Pipeline And Utility Installation In Soil By Horizontal Directional Drilling
    - OPSS 460 Pipeline Rehabilitation by Cured-In-Place Pipe
    - OPSS 462 Cement Mortar Lining of Watermains
    - OPSS 463 Pipeline and Conduit Installation by Pipe Bursting
    - OPSS 490 Site Preparation For Pipelines, Utilities and Associated Structures in Open Cut
    - OPSS 491 Preservation, Protection and Reconstruction of Existing Facilities
    - OPSS 492 Site Restoration Following Installation of Pipelines, Utilities and Associated Structures in Open Cut
    - OPSS 493 Temporary Potable Water Supply Services
  - Division 5 - General Construction
  - Division 6 - Electrical
  - Division 7 - Traffic Safety
  - Division 8 - Environmental and Landscape
  - Division 9 - Structural
- Volume 2 - Common Material Specifications
- Volume 3 - Drawings, General Work
- Volume 4 - Drawings, Electrical Work
- Volume 5 - Provincial Construction Specifications
- Volume 6 - Provincial Material Specifications
- Volume 7 - Municipal Construction Specifications
- Volume 8 - Municipal Material Specifications
Region of Durham
City of London
Ontario Statutes, Regulations, etc
ASTM International
Canadian Standards Association
Other Standards

Ontario Provincial Standards > Volume 1 - Common Construction Specifications > Division 4 - Drainage, Watermains, and Utility > OPSS 493 - Temporary Potable Water Supply Services

OPSS 493

Name:	Temporary Potable Water Supply Services
Code:	OPSS 493
Description:	OPSS 493 has been removed from this OPS volume The municipal version of OPSS 493 is now in: OPS Volume 7, Municipal-Oriented General and Construction Specifications and designated as OPSS.MUNI 493 There is no PROV version.
Type:	Specification
Version:	Nov 2019
Date:	2019-11-01
Document:	View Standard (opens in new tab)