Northern Pipeline Socio-Economic and Environmental Terms and Conditions for Southern British Columbia (SI/80-128)

126. Where the designated officer is of the opinion that remedial measures are necessary at a pipeline water crossing, Foothills shall take such remedial measures as are satisfactory to the designated officer.

127. Where an impervious seam is cut in the bed of a waterbody during a trench excavation at a water crossing, Foothills shall take such measures as are satisfactory to the designated officer to restore water movements above the seam to their original pattern.

128. When constructing the pipeline across a stream, Foothills shall trench, lay pipe and backfill as expeditiously as possible.

129. Foothills shall, unless otherwise directed by the designated officer, on completion of any pipeline construction across a stream, restore the bed of the stream to its original shape by using the original materials of the stream bed or other material of equivalent stability.

130. Foothills shall take such measures as are satisfactory to the designated officer to ensure to the satisfaction of the designated officer that water withdrawals and discharges will not have an unreasonable adverse effect on

• (a) the level or rate of flow of water in the waterbody or well from which the water withdrawal is made or into which the discharge is made;

• (b) the existing use of the waterbody from which a water withdrawal is made or into which the discharge is made;

• (c) the transportation on or access to the waterbody from which a water withdrawal is made or into which the discharge is made;

• (d) the trapping or fishing by persons residing in the vicinity of the pipeline;

• (e) the fish populations in or dependent on the waterbody from which the water withdrawal is made or into which the discharge is made; and

• (f) any waterfowl or mammal populations using any waterbody or its margins from which a water withdrawal is made or into which a discharge is made.

• 131. (1) Subject to subsection (2), Foothills shall ensure that, during any withdrawal of water from a waterbody for hydrostatic testing, the rate of flow or depth of water in that waterbody does not fall below such minimum as is specified by the designated officer.

• (2) Foothills may withdraw water referred to in subsection (1) where the rate of flow and depth of water in the waterbody is below the minimum specified pursuant to that subsection if such withdrawal is approved by the designated officer.

132. Foothills shall, when carrying out hydrostatic testing of the pipeline, carry out such tests in a manner that will minimize the use of water.

133. Foothills shall appoint a qualified person to supervise the withdrawal and discharge of water for the construction or testing of the pipeline.

134. Where Foothills withdraws water for the construction or testing of the pipeline, it shall install screens satisfactory to the designated officer on all water intakes.