SPECIFICATIONS
CAHILL DRAIN – UPPER PART
Repair and Improvement
(Geographic Township of Sandwich West)
CITY OF WINDSOR
l. GENERAL SCOPE OF WORK
The Cahill Drain – Upper Part currently comprises of an open Municipal drain generally located on the north side of Cousineau Road between Howard Avenue and the Herb Gray Parkway, in the geographic township of Sandwich West, City of Windsor. The Cahill Drain continues on from the Herb Gray Parkway in a generally northwest and westerly direction, through the municipal boundary of the Town of LaSalle and the City of Windsor, until it outlets into the Turkey Creek in LaSalle. The work under this project generally comprises of improvements to the upper part of the open drain to provide a suitable cross section for conveyance of flows, replacing some of the bridges, cleaning of the other bridges along the course of the drain, installment of a new bridge, and abandonment of a bridge as laid out in the schedule of items and prices and the specifications below. The proposed work is intended to address the repair and improvement of the open drain, bridges, any tile end improvements, and erosion protection in accordance with current standards.
All work shall be carried out in accordance with these specifications, City of Windsor General Conditions, the plans forming part of this drainage project, as well as the Standard Details included in Appendix “REI-C”. The drain repairs and improvements shall be completed in accordance with these specifications, as is shown in the accompanying drawings, as determined from the Benchmarks, and as may be further laid out at the site at the time of construction. All work carried out under this project shall be completed to the full satisfaction of the City of Windsor Engineering and Drainage Department staff, the Project Drainage Superintendent and the Consulting Engineer.
ll. E.R.C.A. AND D.F.O. CONSIDERATIONS
The Contractor will be required to implement stringent erosion and sedimentation controls during the course of the work to help minimize the amount of silt and sediment being carried downstream into the Cahill Drain – Lower Part and Turkey Creek. It is intended that work on this project be carried out during relatively dry weather to ensure proper site and drain conditions and to avoid conflicts with sediment being deposited into the outlet drainage system. All disturbed areas shall be restored as quickly as possible with grass seeding and mulching (per Ontario Provincial Standard Specification (O.P.S.S.) Form 803 dated November 2010 and Form 804, dated November 2013, or as subsequently amended) installed to ensure a protective cover and to minimize any erosion from the work sites subsequent to construction. The Contractor may be required to provide temporary silt fencing and straw bales as outlined further in these specifications.