All road crossings to be completed using trenchless technology. Open cutting of the road and/or removal of the sidewalk is not permitted without prior written approval of the Town.
Concrete Sidewalks, Curbs and Gutters
Sidewalks or curbs damaged or removed shall be replaced with 30 MPa concrete. Sidewalks shall be a minimum thickness of 125 mm (which shall comply with the latest amendment of Ontario Provincial Standard Specification (OPSS) 351-1 and 1350-1) on a minimum of 25mm Granular "A". Concrete thickness crossing driveways shall be increased to 180 mm. Between May 1 until October 15, only concrete mix will be accepted as a repair. All permanent concrete curb and sidewalk damaged or removed during this period must be completed immediately upon completion of the job. Concrete sidewalk shall comply with Ontario Provincial Standard Drawing (OPSD) 310.010. All permanent concrete curb repairs shall conform to the appropriate OPSD standard. All sidewalk, curb and gutter damaged or removed during the winter months shall be restored immediately with 50 mm of cold mix asphalt until permanent concrete repairs are completed in the spring. All temporary repairs completed during the winter months must be fully restored by May 31 of the following year.
Trenches shall be backfilled with native material to the original grade to a minimum of 95% of the maximum Standard Proctor Density. Topsoil shall be screened and shredded fine enough to accept sod. Topsoil shall be free of stones, subsoil refuse or other extraneous material and shall be capable of sustaining healthy plant growth. All disturbed grass areas shall be restored with 100 mm of screened topsoil in accordance with Ontario Provincial Standards Specification (OPSS) 802.05.01 and Kentucky Bluegrass sod or Kentucky Bluegrass/Fine Fescue sod in accordance with OPSS 803.05.01 sunk to match existing sod in accordance with OPSS 803.07.04. T Slopes greater than 3:1 shall be staked to the grade to avoid movement. Disturbed areas must be sodded within 1 week of backfilling. The depth of topsoil shall be 100mm. The contractor shall maintain and guarantee the sod for the duration of the maintenance period and both supply and apply water as required. The contractor shall be responsible for all watering of new sod until sufficient growth has been established to the satisfaction of the Public Works Services Department. All excavations completed during the winter months must be fully restored with topsoil and sod by May 31 of each year.
Backfilling – Asphalt, Roads and Driveways
Trenches in the street pavement (including curbs, driveways and under sidewalks) are to be backfilled with unshrinkable fill unless otherwise directed by the Director of Public Works Services or his designate. Fill area is to be protected with a steel plate until the material is set. Unshrinkable fill specifications shall be 25 kg/m3 cement, concrete aggregates, 0.07 mPa (10PSI) within 24 hours and not to exceed 0.4 mPa (60 PSI) at 28 days, AEA to reduce segregation slump of 160 mm to 200 mm.
On all portions of bituminous or concrete surfaced road or driveways, cutting must be done by means of saw cutting to leave a clean, straight edge with vertical sides. Alternative methods shall be as directed by the Director of Public Works Services or designate.
All joints are to be stepped and all faces against which joints are to be made shall be painted with a thin, continuous and uniform coating of asphalt emulsion complying with OPSS form 1103, "Material Specification for Emulsified Asphalt."
Road cuts in bituminous road surfaces shall be restored with cold mix asphalt during the winter months as a temporary patch only. As soon as hot mix asphalt becomes available in the spring, the temporary cold mix patch must be replaced with a minimum depth of 75 mm HL8 and 40 mm HL3 Hot Mix Asphalt or to match the depth of the existing pavement structure, whichever is greater. Once hot mix asphalt has been placed, all joints are to be sealed with rubberized asphalt. All temporary road cut restoration shall be maintained by the applicant. Workmanship and materials shall conform to the following OPSS specifications: OPSS Form 1150 - Specification for Hot Mix, Hot Laid Asphaltic Concrete
OPSS Form 1001 - Material Specification for Aggregates – General
OPSS Form 1003 - Material Specification for Aggregates – Hot Mix Asphaltic Concrete
OPSS Form 1101 - Material Specification for Asphalt Cement
OPSS Form 1103 - Material Specification for Emulsified Asphalt
All road trenches shall be backfilled with 'unshrinkable Fill' and shall conform to OPSS 1359. The 'unshrinkable fill' shall extend 1m beyond the edge of the pavement. The travelled portion of the trench must be covered with steel plates for a maximum of 24 hours. When plates are utilized between November 1 and April 15, the Operations Department must be immediately notified. Hot Mix asphalt shall be placed the next day in accordance with Ontario Provincial Standard Specification (OPSS) 1150 or Cold Mix asphalt as a temporary measure due to field conditions.
Driveways shall be restored to the same requirements as the road. All joints must be routed and filled with liquid asphalt. The exemption of 'unshrinkable fill' material for trench restoration is subject to the approval of the Director of Public Works Services or designate. Substitute material shall be Granular 'B' or material approved by the Director of Public Works Services or designate. Compaction of granular materials shall be 100% Proctor Dry Density.
If the Town feels that the work completed is inadequate the restoration must be rectified, if the contractor does not complete the repairs to the satisfaction of the Town the Town will complete the restoration. All costs incurred by the Town related to construction or rectification of poor repairs will be recovered by direct invoicing to the applicant. For work performed by the Town, the Town will deem to identify the work as an emergency and the minimum cost will be based on the 'Emergency Work Performed for Developer or Other', as identified in the
Town's Fees & Charges By-law (Schedule 'E').