Engineering and Construction Services Division Construction Drawings for Sewers and Watermains Revision No. 8 April All T drawings New title block for each drawing is now standardized. Revision numbers now added to title block as follows: Revision No. means original release. Revision No. means first revision. Revision No. means second revision Revision No. means third revision and so on. Note to users: If only the title block changed, the previous version will not be stored in the on-line archives. Adopted OPSD List (W4) no longer maintained. Removed from web page. T-7. T-7. T-7.- T-7.- T-7. T-7.- T-7.- T-7. Apr T-7. Apr T-7.- Apr T-7.- Apr T-7. Apr T-7.- Apr T-7.- Apr Precast Maintenance Hole mm Diameter Note revised from mm to mm Precast Maintenance Hole 5 mm Diameter Note revised from mm to mm. Semi-Precast Manhole, 85 mm to 5 mm Dia. Pipe Maximum Depth 8m Precast Maintenance Hole 8 mm Diameter Note revised from mm to mm. Precast Maintenance Hole 4 mm Diameter Note revised from mm to mm. Typical Dual Maintenance Hole With Inverts Level Minimum Storm Size 75 mm Diameter Typical Dual Maintenance Hole Maximum Storm Size 675mm Diameter (Straight Runs Only) Revision No. 8 Page of 8 April
Typical Dual Maintenance Hole With T-7.- T-7.- Precast Stack (Straight Runs Only) Apr T-7.5- T-7.5- T-7. Nov T-7. T-7.4 T-7.5 T-74.- T-75. T-75.- T-75.- T-75.- T-75.-4 T-75.-5 T-75. T-75.- T-75.- T-75.4 Nov T-7.5- Apr T-7.5- Apr T-7. Apr T-7. Apr T-7.4 Apr T-7.5 Apr T-74.- Apr T-75. Apr T-75.- Apr T-75.- Apr T-75.- Apr T-75.-4 Apr T-75.-5 Apr T-75. Apr T-75.- Apr T-75.- Apr T-75.4 Apr Concrete Maintenance Hole Over Stack Precast Concrete Maintenance Hole Over Stack Maintenance Hole Benching Details and Pipe Opening Alternatives Table revised for mm MH size. Title of drawing renamed. Dual System Benching Details Precast Concrete Ditch Inlet Maintenance Hole Type A mm X mm, Depth.6m Max Precast Concrete Ditch Inlet Maintenance Hole Type B mm X mm, Depth.6m Max Maintenance Hole Adjustment Options A and B Precast Catch Basin With Sump Precast Catch Basin Without Sump Cast in Place Catch Basin With Sump Cast in Place Catch Basin Without Sump Cast In Place Catch Basin With Sump Double Top Infiltration Trench with Catch Basin To Drain Laneways Precast Double Catch Basin With Sump Cast in Place Double Catch Basin Without Sump Perforated Dual Chamber Catch Basin Precast Concrete Catch Basin Ditch Inlets 6mm x mm x Depth 4.m Max Revision No. 8 Page of 8 April
Precast Concrete Catch Basin Ditch Inlet T-75.4- T-75.4-6mm x 6mm x Depth 4.m Max Apr T-78. T-78.- T-78.- T-78.- T-78.-4 T-78. Apr T-78.- Apr T-78. Nov 9 T-78. T-7.- T-8.- Nov T-84.4 T-8.- T-78.- Apr T-78.-4 Apr T-78.-5 Apr T-78.-6 Apr T-78. Apr T-78. Apr T-7.- Apr T-8.- Apr T-84.4 Apr T-8.- Apr Drain and Sewer Connections for Concrete Pipe for Sewers 6mm Diameter or Smaller Detail of Stack for Catch Basin Connections and for Maintenance Holes Shown on Dwg. Nos. T-7.5- and T- 7.5- Sewer Cleanout and Riser Detail where Length of Sewer Connections within Road Allowance Exceeds m (Proposed Sewers) Drawing removed. See T-78.-5 and T- 78.-6 for sewer cleanout standard drawings. Typical Methods of Supporting House Connections and Catch Basin Leads Insulation Details for Water Main and Service Connections Note rewritten. New note. Sanitary Sewer Cleanout Option A mm Surface Cleanout Sanitary Sewer Cleanout Option B mm Surface Cleanout Connection Detail for Pipe at Catch Basin or Maintenance Hole Catchbasin Connection Flexible Pipe Sewer Title revised Detail of Clean-Out Stopper Concrete Bedding Details for Concrete Pipes Concrete Headwall for Sewer or Culvert Pipe Rip-Rap Headwall for 45mm Dia. Pipes and Smaller April Page of 8 Revision No. 8
T-. T-. Drop Structures for Maintenance Holes Apr Special Drop Chamber To Be Used T-.- T-.- Where Flow Overshoots Standard Drop Apr Connection T-.- T-6.- Jan 4 T-7. T-7.- T-7.- T-7.- T-7.-4 T-7.-7 T-7.-8 T-7.-9 T-7.- T-.- T-.- T-.-4 May T-.- Apr T-6.- Apr T-7. Apr T-7.- Apr T-7.- Apr T-7.- Apr T-7.-4 Apr T-7.-7 Apr T-7.-8 Apr T-7.-9 Apr T-7.- Apr T-.- Apr T-.- Apr T-.-4 Apr Internal Drop Pipe for Maintenance Holes Typical Connection to City Trunk Sewer 675 mm I.D. or Larger from Concrete to Concrete Typical Details for Supporting Services and Mains up to mm Typical Details for Supporting Services and Mains up to mm - Encountered in Trenches Backfilled with Unshrinkable Fill Typical Detail for Supporting Water Pipe mm Diameter and Smaller Typical Detail for Supporting Water Pipe mm and Smaller Detail for Supporting Water and Sewer Pipe Larger Than mm Diameter Over New Watermain or Sewer Detail of Crossing Of New Sewer Over/Under Existing Sewer Guideline Method of Support for 75mm to mm Water Mains for use when Sheeting and Shoring is Left in Place Guideline Method of Support for 75mm to mm Water Mains for use when Sheeting and Shoring is Withdrawn Guideline Method of Support for 75mm to mm Water Mains for use when Trench is 'V' Cut Hooked Anchor Rods and Precast Valve Chamber Base Installation Details of Valve Tie Downs Valve Operating Nut Revision No. 8 Page 4 of 8 April
Circular Precast Valve Chamber 4 mm T-. T-. Diameter Watermains and smaller Apr T-.- Jun 7 T-.- T-.- T-.- T-.- T-.-4 T-.-5 T-.- T-.- T-.- T-.-4 T-.-5 T-.-6 T-.-7 T-. T-.- Apr T-.- Apr T-.- Apr T-.- Apr T-.- T-.-4 Apr T-.-5 Apr T-.- Apr T-.- Apr T-.- Apr T-.-4 Apr T-.-5 Apr T-.-6 Apr T-.-7 Apr T-. Apr Watermain Valve In Box and Service Valve In Box Detail Service Box in Sidewalk Domestic 9 mm and 5 mm Services Precast Butterfly Valve Chamber 4mm Diameter Watermains and Smaller Tapping Sleeve and Valve in Chamber 4mm Diameter Watermains and Smaller Circular Precast Chamber 5mm Air Release Valve 5mm Air Valve Assembly Valve Settings for Concrete Pressure Pipe For 5 mm to 6 mm Diameter Watermain Sump and Drain Details For mm, 4 mm and 5 mm Gate Valve and Butterfly Valve Chambers Sump and Drain Details For 6 mm Diameter and Over Gate Valve and Butterfly Valve Chambers Sump and Drain Details for Poured In Place Chambers mm Diameter Watermains and Smaller Sump and Drain Details for Precast Chambers Sump and Drain Details for Precast Chambers mm Diameter Watermains and Smaller Sump Frame and Grating Details Sump and Drain Details for Poured In Place Chambers Concrete Thrust Blocks for Tees, Plugs and Horizontal Bends April Page 5 of 8 Revision No. 8
T-. T-. Concrete Thrust Blocks for Vertical Bends Jan 4 Apr T-.- T-.- Thrust Blocks Special Applications Apr Concrete Anchor Block Details For T-.- T-.- Welded Steel Watermain Pipe For All Apr Angles ' and Over T-.-4 T-4. Nov T-4.- (T-4.-) T-4. Nov T-4.- T-4.- T-4.- Nov 9 T-5. T-5.- Nov 9 T-.-4 Apr T-4. Apr T-4.- Apr T-4.- Apr T-4. Apr T-4.- Apr T-4.- Apr T-4.- Apr T-5. Apr T-5.- Apr Concrete Casing For All Angles ' and Over For Welded Steel Watermain Pipe Standard Water Service Connection Details 9 mm and 5 mm Diameter Sizes Standard Water Service Connection Details mm, 8 mm and 5 mm Diameter Sizes New note 5. Tapping Sleeve and Valve, Connection Details Drawing removed as this installation configuration no longer practiced. Combine Fire and Domestic Water Connection 5 mm Blow-Off Assembly Detail Detail of Temporary 5 mm Dia. Blowoff and Assembly Detail of Temporary Isolating Valve and Sampling Cocks Temporary Supply and Disinfection Connection Hydrant Set with Mechanically Restrained Joints Anchor tee is now standard for all new fire hydrant installations. Tracer wire added. Drawing title renamed. Standard Service Connection Note revised. Additional labelling added to drawing. Revision No. 8 Page 6 of 8 April
Standard Service Connection T-5.- T-5.- Note no. revised. Additional labelling added Nov 9 Apr to drawing. T-6. T-6. Thermite Welding of Metallic Watermains May 6 Apr T-6.- ( of ) Jan 8 T-6.- ( of ) Jan 8 T-6.4 Jan 8 T-6.5 May 6 T-6.6 Nov T-6.7 May 6 T-6.8 May 6 T-7.- Feb 6 T-7.- Feb 6 T-7.- Nov 6 T-6.- Apr T-6.- Apr T-6.4 Apr T-6.5 Apr T-6.6 Apr T-6.7 Apr T-6.8 Apr T-7.- Apr T-7.- Apr T-7.- Apr T-7.- Apr Electrical Bonding of Iron Water Mains Electrical Bonding of Iron Water Mains Cathodic Protection for Valves not in Chamber Iron Fittings, Hydrant and Service Connection on Non-Metallic Mains Magnesium anodes changed to zinc anodes. Cathodic Protection for New Ductile Iron Water Main Construction Cathodic Protection on Short Sections of Ductile Iron Watermains Note removed. Conductivity straps, screws and wedges not allowed. Test Station for Cathodic Protection of Ductile Iron Watermains Test Station with Cathodic Protection Monitoring Probe for New or Existing Iron Water Mains Piping Layout for Meter Chamber up to 5mm Private Water Service Pipe New note 9 inserted. Piping Layout for Compound Water Meter 75mm to mm in Chambers Removed turbine from title and created new drawing T-7.- for turbine water meters. New note 9 inserted. Piping Layout for Electromagnetic Water Meter 75mm to mm in Chambers Test tee size in table reduced to 75 mm for all diameters New note and 9 inserted. Piping Layout for Turbine Water Meter 75mm to mm in Chambers April Page 7 of 8 Revision No. 8
Installation Details for Compound, Turbine or Electromagnetic Type Water Meter in Buildings T-7.- T-7.- Drain port tee renamed to test tee. Test tee Aug 7 Apr size reduced to 75 mm for all diameters. New note and 9 inserted. T-7.4- Aug 7 T-7.4- Feb 6 T-7.4- Aug 7 T-7.4-4 T-7.4-5 T-7.4-6 Aug 7 T-7.5 Dec 9 T-8.- Nov T-8.- Feb 6 T-7.4- Apr T-7.4- Apr T-7.4- Apr T-7.4-4 Apr T-7.4-5 Apr T-7.4-6 Apr T-7.5 Apr T-8.- Apr T-8.- Apr T-8.- Apr Installation Details for 7mm and 5mm Positive Displacement Water Meter in All Buildings New note 9 inserted. Installation Details for 6mm to 5 mm Positive Displacement Water Meter in Single Family Residential Buildings Stop and waste valve to also include full bore valve along with gate valve. New note 7 added. Detail of Connections with Cross or Tee for Watermains 5 mm Diameter Branch Connection Service Connection Branch Diameter Larger Than Watermain Installation Details for 6mm to 5mm Positive Displacement Water Meter in All Buildings other than Single Family Residential Buildings New note 9 inserted. New note 9. Typical 5mm Watermain on Cul-de-sac Water Meter Chamber for 75mm or Greater Private Water Service Pipe Column A updated for minimum interior dimensions. Mounting plate dimension increased from 5 to mm. Circular Precast Meter Chamber for up to 5mm Private Water Service Pipe Double Check Detector Chamber Revision No. 8 Page 8 of 8 April