Installation and Inspection of Concrete Pipe Joining Joints




































- Slides: 36
Installation and Inspection of Concrete Pipe Joining / Joints • Types of joints and sealants • Storage and Handling • Proper methods of joining pipe • Testing • How to protect your interest by inspection Checklist for Contractors / Inspectors www. concretepipe. org
Types of Joints and Sealants www. concretepipe. org
3 Types of Joint Systems www. concretepipe. org
4 Types of Sealant Mastic • Ram-Nek • Rubr-Nek www. concrete-pipe. org
5 Types of Joints Systems External Bands and Filter Fabric
6 Types of Sealants www. concretepipe. org
Types of Sealants: Profile Gaskets 7 Symmetrical Non-Symmetrical Pocket Type www. concretepipe. org
Types of Sealants: Pre-lubricated Profile Gaskets 8
Types of Joint Systems Performance Type Sealant Soil Tight Mastic filler External Geotextile Wrap External Sealing Bands Rubber Gasket Silt Tight Mastic Filler External Sealing Bands Rubber Gasket Leak Resistant Rubber Gasket www. concretepipe. org
Joint and Gasket Inspection www. concretepipe. org
11 Defect Review You are now the QC Inspector Do the following products: • Meet specifications? • Can they be repaired? • Or should they be rejected? www. concretepipe. org
12 REPAIRS
13
14
15
16
17 www. concrete-pipe. org
18 www. concretepipe. org
19 www. concrete-pipe. org
20 Gasket Storage Don’t Do This…
Proper Methods of Joining Pipe www. concretepipe. org
O-Ring Installation – Step 1 Brush or wipe both the bell and spigot clean www. concretepipe. org 22
Gasket Installation – Step 2 Lubrication O R I N G • Stir the Lubricant • Lubricate the recess on the pipe and the gasket. • Snap the gasket into the recess www. concretepipe. org 23
Gasket Installation – Step 3 S I N G L E O F F S E T Lubricate the gasket and mount gasket on Lubricated spigot www. concretepipe. org 24
Gasket Installation – Step 4 O R I N G Equalize gasket stretch www. concretepipe. org 25
Gasket Installation – Step 5 26 O R I N G Lubricate the seated gasket and surface of the bell Note: Pre-Lubricated Gaskets do not require additional lubrication www. concretepipe. org
Fish Mouth Gasket O R I N G www. concretepipe. org 27
Gasket Installation – Step 6 O R I N G Carefully align and draw or push spigot into bell www. concretepipe. org 28
Gasket Installation – Step 2 S I N G L E O F F S E T Mount gasket on dry spigot www. concretepipe. org 29
P R E L U B R I C A T E D Gasket Installation – Step 3 Carefully align and draw or push spigot into bell www. concretepipe. org 30
31 Summary – Joints Made Easy • Inspect Pipe at Delivery Verify Meets Pipe and Joint Specifications • Visual Inspection Before Backfilling Is Joint Homed Properly • Complete all Inspections www. concretepipe. org
Joint Testing www. concretepipe. org
Field Testing: ASTM C 1103 33 Standard Practice for Joint Acceptance Testing of Installed Precast Concrete Pipe Sewer Lines www. concretepipe. org
Field Testing: ASTM C 969 34 Standard Practices for Infiltration and Exfiltration Testing of Installed Precast Concrete Pipe Sewer Lines
Field Testing: ASTM C 969 35 Standard Practices for Infiltration and Exfiltration Testing of Installed Precast Concrete Pipe Sewer Lines www. concrete-pipe. org
How to Protect your Interest with Inspection www. concretepipe. org