of same. When any fence is removed by the Contractor, and the Owner thereof deems it advisable and procures new material for replacing the fence so removed, the Contractor shall replace the fence using the new materials and the materials from the present fence shall remain the property of the Owner.

VII. DETAILS OF OPEN DRAIN WORK

The open drain shall be excavated to the lines, levels, grades and cross-sections as shown on the accompanying drawings, or as may be further established by the City Drainage Engineer or the Consulting Engineer at the time of the work. The drain shall be carefully excavated so as not to disturb the existing banks, rock protection and vegetation, except for those portions of the drain where widening or restoration of a stable drain bank configuration is required. The bottom width of the drain and the sideslopes of the excavation shall conform to the dimensions given on the drawings.

The drain shall be of the size, type, depth, etcetera as shown on the accompanying drawings. When completed, the drain shall have a uniform and even bottom and in no case shall such bottom project above the grade line, as shown on the accompanying drawings, and as determined from the Benchmarks. The finished side slopes of the drain shall be 1.5 metres horizontal to 1.0 metre vertical.

Where the drain crosses any lawn, garden, orchard, roadway or driveway, etcetera, the excavated material for the full width of the above-mentioned areas shall be hauled away by the Contractor and disposed of to a site to be obtained by the Contractor at its expense. All work at the disposal site shall be established between the Contractor and the site owner. The Contractor shall be responsible for any permits required and shall provide copies of same to the City and Consulting Engineer when requested.

Where there is any brush or rubbish in the course of the drain, including both side slopes of the drain, all such brush or rubbish shall be close cut and grubbed out. Where there is any brush or rubbish where the earth is to be spread, or on that strip of land between where the earth is to be spread and the edge of the drain, all such brush or rubbish shall be close cut and grubbed out. The whole is to be burned, chipped or otherwise satisfactorily disposed of by the Contractor.

VIII. DETAILS OF BRIDGE WORK

The Contractor shall provide all material, labour and equipment to repair and improve or replace the existing access bridges in the Cahill Drain – Upper Part requiring work, along with endwall repairs and other improvements as noted. The existing bridge number 3 is to be completely removed and disposed of with full restoration of the drain cross section, including topsoil, seeding and mulching.

The existing bridges slated to be improved shall be replaced with new concrete Class 65-D pipe or C.H.B.D.C. O.P.S.S.-1821 concrete box culvert as noted in the schedule of items and on the plans. The new and replacement access bridge installations shall comprise of precast concrete pipe or box culvert. All piping sections shall be connected by the use of bell and spigot joints with rubber gaskets installed in accordance with the manufacturer’s recommendation. Each joint shall be sealed to ensure that there will be no soil migration through the joints and into the pipe through said connections.