D2.1 The Work to be done under the Contract shall consist of:
(a) Bridge Works
(i) Demolition of an existing concrete and timber piled bridge.
(ii) Construction of a new cast-in-place single span concrete solid slab bridge with cast-in-place concrete abutments supported by driven steel H-piles.
(b) Soil Remediation Works
(i) Removal of contaminated soils along Omand’s Creek for appropriate disposal as outlined in the Remediation Plan approved by Manitoba Sustainable Development. The soils are to be disposed of at an appropriate facility as outlined in the Remediation Plan. Should the remedial method change or disposal facility or location change, approval from Manitoba Sustainable Development would be required in advance of the alteration of the disposal facility.
(c) Creek Alteration Works
(i) Omand’s Creek to be reshaped approximately 11m south and 33m north of the proposed bridge.
(d) Road Works
(i) Reconstruction of Dublin Avenue from Notre Dame Avenue to St James Street including the Dublin Avenue and St. James Street intersection.
(ii) Major Rehabilitation of St. James Street from Saskatchewan Avenue to 100m North of Dublin Avenue including construction of a new concrete sidewalk on the east side of St. James Street
(iii) Asphalt mill and fill of St. James Street starting from approximately 40m south of Bangor Avenue to the intersection at Notre Dame Avenue including construction of a new concrete sidewalk on the east side of St. James Street.
(e) Landscaping Works
(i) Omands Creek each side of the bridge extending to approximately 11m south and 33m north.
(ii) Various boulevards and private land due to regrading.
D2.2 The major components of the Work are as follows:
D2.3 Protection of Existing Building
D2.3.1 The existing building operated by Capitol Steel located next to the construction area and on the shore of Omand’s Creek shall have its preconstruction condition preserved, by the Contractor, for the entire duration of the project. The Contractor shall contact the building owner to gain access to and review and document the preconstruction condition of the building. The selected Contractor will be held responsible for any required repairs to return the structure to the preconstruction condition including the organization, completion and costs of the repairs. The Contractor is required to obtain written documentation from the owner that they accept the building in its current condition either at the end of construction or after remedial measures have been completed. This written confirmation must be provided by the Contractor to the Contract Administrator before Total Performance Certificate will be issued.
21
Template Version: eC420190901 - RW
D2.4 Bridge Works
D2.4.1 General
(a) Demolition and removal of the existing bridge and timber piles;
(b) Excavation and hauling of contaminated soils at bridge abutments and portions of the creek embankments and creek bed for appropriate disposal as outlined in the Remediation Plan approved by Manitoba Sustainable Development. The soils are to be disposed of an appropriate facility as outlined in the Remediation Plan. Should the remedial method change or disposal facility or location change, approval from Manitoba Sustainable Development would be required in advance of the alteration of the disposal facility;
(c) Installation of steel piles;
(d) Construction of concrete abutment, wingwalls, bridge deck, sidewalks;
(e) Construct concrete barriers with control joints and expansion joints;
(f) Install aluminum guardrail along concrete barriers;
(g) Construction of concrete approach slab, transition slab, and sleeper slab;
(h) Install Emseal joints.
D2.4.2 Soil Remediation Works
(i) Excavation and hauling of contaminated soils along both banks and bed of Omand’s Creek from the bridge and extending 33m north and 11m south for appropriate disposal as outlined in the Remediation Plan approved by Manitoba Sustainable Development. The soils are to be disposed of an appropriate facility as outlined in the Remediation Plan. Should the remedial method change or disposal facility or location change, approval from Manitoba Sustainable Development would be required in advance of the alteration of the disposal facility.
(j) Creek Alteration Works
(i) Excavate and realign a portion of Omand’s Creek extending approximately 11m south and 33m north of the bridge per the drawings;
(ii) Remediate soils as required by the Environmental Protection Plan Specification section E3 and the Remediation Plan in Appendix B;
(iii) Transition the creek channel to meet the existing creek alignment within the last 10m at the north end of the project per the drawings;
(iv) Provide non-woven geotextile and riprap on the creek slopes and creek bed per the drawings;
(v) Top of slope areas disturbed by the construction activities shall regraded and naturalized per the drawings.
D2.5 Road Works
D2.5.1 Reconstruction of Dublin Avenue from Notre Dame Avenue to St James Street including the Dublin Avenue and St. James Street intersection
(a) Removal of existing road pavement and sidewalk;
(b) Excavation including excavation and proper disposal of contaminated soils between Omand’s Creek and Notre Dame Avenue;
(c) Installation of subdrains;
(d) Installation of catch basins and sewer pipe;
(e) Sewer repairs;
(f) Fire hydrant relocations;
(g) Placement of geotextile fabrics and geo-grid;
(h) Placement and compaction of sub-base and base materials;
(i) Place and adjust manholes, water valves and appurtenances;
(j) Construction of 230mm plain dowelled concrete pavement;
(k) Construction of 180mm integral barrier curbs;
(l) Construction of retaining curbs;
(m) Construction of 100mm concrete sidewalk with block outs for paving stone bands;
(n) Installation of detectable warning surface tiles.
D2.5.2 Major Rehabilitation of St. James Street from Saskatchewan Avenue to 100m North of Notre Dame Avenue including construction of a new concrete sidewalk on the east side of St. James Street
(a) Sewer repairs;
(b) Installation of catch pits and catch basins;
(c) Fire hydrant relocations;
(d) Adjustment of drainage inlets, water valves, manholes, and utility manholes;
(e) Milling of existing asphalt;
(f) Full depth concrete repairs of existing slabs and joints (200mm thick reinforced);
(g) Renewal of existing curbs with 125mm reveal;
(h) Renewal of existing sidewalk on the west side of St. James Street with block out for paving stone band;
(i) Construction of new concrete sidewalk on the east side of St. James Street with block out for paving stone band;
(j) Installation of detectable warning surface tiles;
(k) Construction of retaining curbs;
(l) Placement of asphalt overlay with average thickness of 80mm;
(m) Resurfacing of CP Rail crossing.
D2.5.3 Asphalt mill and fill of St. James Street starting from approximately 40m south of Bangor Avenue to the intersection at Notre Dame Avenue
(a) Milling of existing asphalt;
(b) Full depth concrete repairs of existing slabs and joints (200mm thick reinforced);
(c) Installation of catch pits and lead repairs;
(d) Installation of 50mm of asphalt;
(e) Renewal of section of existing concrete curbs and sidewalk;
(f) Construction of new concrete sidewalk with block out for paving stone band on the east side of St. James Street;
(g) Installation of detectable warning surface tiles.
D2.5.4 Landscaping Works
(a) Placing topsoil;
(b) Seeding, Sodding and naturalization;
(c) Maintenance of landscaping works.
