CAN/CSA G164-M92. All welded connections shall meet the requirements of CSA W59-M89 and shall develop the full strength of the joined members.

Steel sheet piling shall be 8m long EZ-95 sheets supplied by Roll Form Group and shall be driven to the depths and in the locations shown on these Drawings. The method of driving and the pile driving equipment employed shall be subject to the approval of the Engineer. The Contractor's driving operations shall not cause a degree of vibration that may be harmful to existing structures.

Wales shall be 203x203x8mm HSS and struts shall be 152mm diameter x 8mm HSS.

The channel bottom within the SSP retained channel, from Station 0+201 to 0+290, shall consist of a 1000mm thick layer of Type 2 Granular ‘B’ fill as shown on the Drawings.

OPSS Forms 314 and 1010 shall apply and govern except as amended or extended herein.

13.0 Pedestrian Barricade

The Contractor shall supply and install the new pedestrian barricade as detailed in the Drawings and OPSD 980.101 including steel posts and railings, base plates and connection to the new precast blocks and pile caps. All steel components of the pedestrian barricade shall conform to ASTM A325M or A490M and shall be hot-dipped galvanized in conformance with CAN/CSA G164-M92.

14.0 Armour Rock Jetty & Rock Lined Slope

This work shall include all labour, materials and equipment required to construct an armour rock jetty on the south side of the drain outlet to the Detroit River. The north slope of the jetty shall be generally in line with a westerly projection of the south slope of the drain bank as detailed in the Contract Drawings.

The core of the jetty shall be constructed with shot rock and the outer layer shall consist of individual limestone armour rock units ranging in weight from 1.5 to 3 tonnes per unit.

15.0 Habitat Enhancement Works

15.1 Snake Hibernacula

Snake hibernacula shall be constructed on the south side of the drain at Stations 0+013, 0+072, and 0+133, and as detailed in the Drawings. The work shall include excavation, filter fabric, clear stone, rock, wood and concrete debris, and drainage outlet. OPSS Forms 314, 501, 511, 1004, 1010 and 1860 shall apply and govern except as amended or extended herein.

Rock shall consist of large rip-rap or boulders from an approved source, ranging in size from 200 to 500mm. The wood and concrete debris shall be from an on-site source and shall be approved for use by the Engineer prior to incorporating into the snake