When the structural plate pipe culvert has been placed to the alignment and grade as specified in the Contract Documents, all assembly bolts shall be retightened with a torque wrench to a minimum of: a) 200 Nm for 3.5 and 3.0 mm gauge of pipe. b) 340 Nm for heavier than 3.5 mm gauge of pipe. 421.07.12.05 Polyethylene Pipe Polyethylene pipe shall be jointed by one of the following methods, as recommended by the pipe manufacturer: a) Bell and Spigot b) Welded Joint c) Thermal Fusion d) Screw-on Coupler e) Split Coupler f) Threaded Joint 421.07.12.06 Polyvinyl Chloride Pipe Polyvinyl chloride pipe shall be jointed, as recommended by the manufacturer, using a bell and spigot joint with an elastomeric gasket. At the end of a day's work, the last pipe shall be blocked as may be required to prevent movement. 421.07.12.07 Polypropylene Pipe Polypropylene pipe shall be jointed by means of a bell and spigot joint with elastomeric gasket or a coupler joint as recommended by the manufacturer to satisfy the pipe joint specification. 421.07.13 Closed-Circuit Television (CCTV) Inspection When specified in the Contract Documents, pipe culverts be inspected using CCTV equipment. CCTV inspection of pipe culverts shall be according to OPSS 409. 421.07.14 Cleaning and Flushing of Pipe Culverts When specified in the Contract Documents, pipe culverts shall be cleaned and flushed just prior to inspection and acceptance. 421.07.15 Clay Seals Clay shall be placed as specified in the Contract Documents and compacted to 95% of the Proctor maximum dry density. 421.07.16 Concrete Appurtenances
When the structural plate pipe culvert has been placed to the alignment and grade as specified in the Contract Documents, all assembly bolts shall be retightened with a torque wrench to a minimum of: a) 200 Nm for 3.5 and 3.0 mm gauge of pipe. b) 340 Nm for heavier than 3.5 mm gauge of pipe. 421.07.12.05 Polyethylene Pipe Polyethylene pipe shall be jointed by one of the following methods, as recommended by the pipe manufacturer: a) Bell and Spigot b) Welded Joint c) Thermal Fusion d) Screw-on Coupler e) Split Coupler f) Threaded Joint 421.07.12.06 Polyvinyl Chloride Pipe Polyvinyl chloride pipe shall be jointed, as recommended by the manufacturer, using a bell and spigot joint with an elastomeric gasket. At the end of a day's work, the last pipe shall be blocked as may be required to prevent movement. 421.07.12.07 Polypropylene Pipe Polypropylene pipe shall be jointed by means of a bell and spigot joint with elastomeric gasket or a coupler joint as recommended by the manufacturer to satisfy the pipe joint specification. 421.07.13 Closed-Circuit Television (CCTV) Inspection When specified in the Contract Documents, pipe culverts be inspected using CCTV equipment. CCTV inspection of pipe culverts shall be according to OPSS 409. 421.07.14 Cleaning and Flushing of Pipe Culverts When specified in the Contract Documents, pipe culverts shall be cleaned and flushed just prior to inspection and acceptance. 421.07.15 Clay Seals Clay shall be placed as specified in the Contract Documents and compacted to 95% of the Proctor maximum dry density. 421.07.16 Concrete Appurtenances
OPSS.MUNI%20421%20Nov15.docx