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September 22, 2025

The OPS Drainage Committee is preparing to begin its 2025–2026 work program. Starting with the next meeting on October 2, 2025, the Committee will be reviewing the following existing Ontario Provincial Standard Drawings (OPSDs) and Ontario Provincial Standard Specifications (OPSSs):

701.010 - Precast Concrete Maintenance Hole, 1200 mm Diameter

701.011 - Precast Concrete Maintenance Hole, 1500 mm Diameter

701.012 - Precast Concrete Maintenance Hole, 1800 mm Diameter

701.013 - Precast Concrete Maintenance Hole, 2400 mm Diameter

701.014 - Precast Concrete Maintenance Hole, 3000 mm Diameter

701.015 - Precast Concrete Maintenance Hole, 3600 mm Diameter

701.021 - Maintenance Hole Benching and Pipe Opening Alternatives

701.030 - Precast Concrete Maintenance Hole Components, 1200 mm Diameter, Tapered Top and Flat Cap

701.031 - Precast Concrete Maintenance Hole Components, 1200 mm Diameter Riser and Monolithic Base

701.032 - Precast Concrete Maintenance Hole Components, 1200 mm Diameter Base Slab

701.040 - Precast Concrete Maintenance Hole Components, 1500 mm Diameter Transition Cone and Slabs

701.041 - Precast Concrete Maintenance Hole Components, 1500 mm Diameter Riser and Bases

701.050 - Precast Concrete Maintenance Hole Components, 1800 mm Diameter Transition Slab

701.051 - Precast Concrete Maintenance Hole Components, 1800 mm Diameter Riser and Base Slab

701.060 - Precast Concrete Maintenance Hole Components, 2400 mm Diameter, Transition Slab

701.061 - Precast Concrete Maintenance Hole Components, 2400 mm Diameter Riser and Base Slab

701.070 - Precast Concrete Maintenance Hole Components, 3000 mm Diameter, Transition Slab

701.071 - Precast Concrete Maintenance Hole Components, 3000 mm Diameter Riser and Base Slab

701.080 - Precast Concrete Maintenance Hole Components, 3600 mm Diameter, Transition Slab

701.081 - Precast Concrete Maintenance Hole Components, 3600 mm Diameter Riser and Base Slab

702.040 - Precast Concrete Ditch Inlet Maintenance Hole - Type A, 1200 x 1200 mm

702.050 - Precast Concrete Ditch Inlet Maintenance Hole - Type B, 1200 x 1200 mm

703.011 - Precast Concrete Single Inlet Flat Cap, 1500 mm Diameter

703.012 - Precast Concrete Single Inlet Flat Cap, 1800 mm Diameter

703.013 - Precast Concrete Single Inlet Flat Cap, 2400 mm Diameter

703.014 - Precast Concrete Single Inlet Flat Cap, 3000 mm Diameter

703.015 - Precast Concrete Single Inlet Flat Cap, 3600 mm Diameter

703.021 - Precast Concrete Twin Inlet Flat Cap, 1500 mm Diameter

703.022 - Precast Concrete Twin Inlet Flat Cap, 1800 mm Diameter

703.023 - Precast Concrete Twin Inlet Flat Cap, 2400 mm Diameter

703.024 - Precast Concrete Twin Inlet Flat Cap, 3000 mm Diameter

704.010 - Precast Concrete Adjustment Units for Maintenance Holes, Catch Basins, and Valve Chambers

705.010 - Precast Concrete Catch Basin, 600 x 600 mm

705.020 - Precast Concrete Twin Inlet Catch Basin, 600 x 1450 mm

705.030 - Precast Concrete Ditch Inlet 600 x 600 mm

705.040 - Precast Concrete Ditch Inlets 600 x 1200 mm

706.010 - Precast Concrete Ditch Inlets 600 x 1200 mm with 1500 mm Dia. Flat Cap

706.020 - Precast Concrete Ditch Inlets 600 x 1200 mm with 1800 mm Dia. Flat Cap

706.030 - Precast Concrete Ditch Inlet - Type A, 600 x 1200 mm with 2400 mm Dia. Flat Cap

706.031 - Precast Concrete Ditch Inlet - Type B, 600 x 1200 mm with 2400 mm Diameter Flat Cap

706.040 - Precast Concrete Ditch Inlet - Type A, 600 x 1200 mm with 3000 mm Diameter Flat Cap

706.041 - Precast Concrete Ditch Inlet - Type B, 600 x 1200 mm with 3000 mm Diameter Flat Cap

707.010 - Precast Concrete Maintenance Hole Manufactured Tee

708.010 - Catch Basin Connection for Rigid Main Pipe Sewer

708.020 - Support for Pipe at Catch Basin or Maintenance Hole

708.030 - Catch Basin Connection, for Flexible Main Pipe Sewer

OPSS.MUNI 465 - Sewer Pipeline and Culvert Rehabilitation by PVC Fold and Form Liner

OPSS.MUNI 511 - Rip-Rap, Rock Protection, and Granular Sheeting

OPSS.MUNI 1205 - Clay Seal

MEA members are invited to review the above list of standards in advance and submit any comments or feedback. Your input is valuable in helping ensure that OPSDs and OPSSs remain current, practical, and effective for municipalities across Ontario.

Please send any comments or suggestions by email to Eva Pulnicki at eva.pulnicki@york.ca