Bridge 3
The Contractor shall completely remove the existing reinforced concrete span pedestrian bridge, railings, and abutments that currently exist. The Contractor is then required to restore the drain to its designed channel parameters including bank shaping, topsoil placement, seeding and mulching. All work shall be carried out in accordance with these specifications and plans in Appendix “REI-E”.
Bridge 5
The Contractor shall completely remove the existing headwalls and deleterious materials that currently exist on the structure. The Contractor shall then install a replacement concrete filled jute bag headwall on both sides of the bridge structure including concrete footings as needed. All work shall be carried out in accordance with these specifications, plans in Appendix “REI-E”, and the requirements in Appendix “REI-C”.
Bridges 6, 8, 9, 11, 12, 16, 19
The Contractor shall completely remove the existing corrugated steel pipe and any unsuitable end protection and dispose of same as outlined previously in these specifications, and on the plans. The Contractor shall then supply and install a new Class 65-D reinforced concrete pipe as set out in the chart forming part of the details for the said Bridges on the plans. The Contractor shall provide and install precast concrete block end protection with geogrid reinforcement at each level of blocks. The Contractor shall provide and install 1.0 metre wide sloped quarried limestone on filter cloth protection on the drain banks at each end of the new vertical precast concrete block headwall. The driveway top width shall consist of granular ‘A’, asphalt, or concrete materials as called out on the plans. All work shall be carried out in accordance with these specifications, plans in Appendix “REI-E”, and the requirements in Appendix “REI-C”.
Bridges 21, 22
The Contractor shall completely remove the existing concrete box culvert, wing walls, abutments, barricade railings, and any unsuitable end protection and dispose of same as outlined previously in these specifications, and on the plans. The Contractor shall then supply and install a new Class 65-D reinforced concrete pipe as set out in the chart forming part of the details for the said Bridges on the plans. The Contractor shall provide and install precast concrete block end protection with geogrid reinforcement at each level of blocks. The Contractor shall provide and install 1.0 metre wide sloped quarried limestone on filter cloth protection on the drain banks at each end of the new vertical precast concrete block headwall. The driveway top width shall consist of granular ‘A’, asphalt, or concrete materials as called out on the plans. All work shall be carried out in accordance with these specifications, plans in Appendix “REI-E”, and the requirements in Appendix “REI-C”.
Bridge 26
The Contractor shall completely remove all organic materials within the drain channel and driveway top width, and shall dispose of same as outlined previously in these specifications, and on the plans. The Contractor shall then supply and install a new Class 65-D reinforced concrete pipe as set out in the chart forming part of the details for Bridge No. 26 on the plans. The Contractor shall provide and install precast concrete block end protection with geogrid