D3.1 The Work to be done under the Contract shall consist of:
(a) Watermain Renewal
(i) Sherwin Road from south of Dublin Avenue to north of Omand’s Creek.
(b) Culvert Replacement
(i) Sherwin Road at Omand’s Creek.
(c) Concrete Road Reconstruction
(i) Sherwin Road from Saskatchewan Avenue to Notre Dame Avenue.
D3.2 The major components of the Work are as follows:
(a) Watermain Renewal
(i) Installation of approximately 95 metres of 300 mm diameter PVC water main and
appurtenances by trenchless methods;
(ii) Installation of approximately 20 metres of 300 mm diameter water main within a 500
mm diameter PVC encasement pipe under Omand’s Creek;
(iii) Removal/abandonment of existing gate valves;
(iv) Abandonment of existing water main;
(v) Reconnection and or renewal of water and fire service connections;
(vi) Hydrostatic pressure testing of the new water main;
(vii) Disinfection of the new water main; and
(viii) Final tie-ins of the water main.
(b) Culvert Replacement - Winter Work
(i) Implement environmental control measures;
(ii) Construct temporary coffer dams (upstream and downstream) and provide pumping;
(iii) Implement utility protection measures;
(iv) Install temporary shoring;
(v) Demolish and dispose of existing CSP culvert and headwall;
(vi) Perform excavation for new culvert;
(vii) Perform creek excavation and slope stabilization;
(viii) Prepare bearing surfaces for structure;
(ix) Construct cast-in-place culvert, headwalls, retaining walls, and wingwalls;
(x) Supply and install subdrains;
(xi) Pour cellular concrete;
(xii) Backfill excavation;
(xiii) Install rip rap on geotextile fabric;
(xiv) Supply and install chain link fence;
(c) Culvert Replacement - Spring Work
(i) Construct approach slabs, waterproofing membrane, compacted granular fill, infill
slab, safety curb and asphalt path;
(ii) Install clay cap on slope stabilization works; and
(iii) Topsoil, natural seeding and sod.
(d) Concrete Road Reconstruction
(i) Removal of existing pavement;
(ii) Excavation;
(iii) Installation of catch basins, sewer service pipe and subdrains;
(iv) Insulation of water services;
(v) Compaction of sub-grade;
(vi) Placement of separation/ filtration geotextile fabric and Class A geogrid;
(vii) Placement of sub-base and base course materials;
(viii) Adjustment of existing manholes and appurtenances;
(ix) Construction of 230 mm plain dowelled concrete pavement (utilizing slip form paving
equipment wherever possible);
(x) Construction of 200 mm reinforced concrete approaches;
(xi) Construction of 180 mm integral and dowelled barrier curb, monolithic concrete
splash strip, modified barrier curb and safety curb;
(xii) Placement of Type 1A asphalt pavement on AT path (thickness – 125 mm(two lifts));
and
(xiii) Boulevard restoration and sod.
