shrubs is required as part of future maintenance or if significant areas are disturbed that require restoration.
This work shall include all labour, equipment and materials required to supply and place trees and shrubs in the locations indicated in the Contract Drawings. The trees and shrubs used for this item shall be from a supplier approved by the City. The Contractor’s price shall include all watering required.
18.0 Fish Salvage
Prior to undertaking any improvements or repairs were fish may exist, measures shall be taken to collect and transfer fish and other aquatic or amphibious species from work areas to other areas of the Marentette-Mangin Drain.
In an effort to minimize fish stress and mortality, the Contractor shall be required to subcontract this work to a qualified fisheries biologist.
18.1 Coordination
The contractor shall be solely responsible for coordination of the fish salvage works with other works so as to ensure that the fish collection/transfer can occur in advance of other work included in this contract. Neither the Owner nor the Engineer will bear any responsibility for delays that may occur as a result of inadequate coordination of the work by the Contractor.
18.2 Fish Handling Guidelines
General fish handling guidelines are detailed below.
a) The drain(s) will be blocked or diverted according to individual project section drawings.
b) All fish will be removed from the project site through electrofishing, small seine and dip nets (various mesh size 1/8 – 1/4) and immediately transferred to aerated coolers located onshore.
c) Fish will be graded (size) and transferred in aerated tanks to sites upstream of the project area. Size separation is conducted to reduce damage and stress on the fish.
d) All transfer tanks will contain water from the original water body in order to reduce thermal or chemical stress on the fish.
e) All Round Gobies encountered (Neogobius melanostomus) will be humanely euthanized by MS222 overdose on site according to Canadian Council on Animal Care protocols. Fish carcasses will be disposed as biological waste through protocols issued through Chemical Control Center (Waste) University of Windsor.
f) All fish will be rapidly inspected for signs of obvious disease and excessive parasite infection. Fish that have been damaged by sampling,