Construction of temporary access track and temporary access bridge, removal of trees under arborist supervision, control infiltration of ground water below creek bed level during excavation, apply water treatment over the entire construction period, excavation and replacement of unsuitable material, construction of gabion retaining wall on northern creek bank, construction of rock filled mattress on the realigned creek bed and southern bank, concrete encasement of the existing sewer main and property adjustments to no. 52 and 54 Westmore Drive.