No.

Conditions with initial filings due prior to commencing construction, or prior to

commencing construction of specified Project component(s)

CPCN

OC2

OC49

Temp

Pump1

Pump2

Tanks

Deact

National Energy Board

428

31

Reactivation of the Niton Pump Station

Trans Mountain must file with the NEB for approval,

at least 6 months prior to

commencing any pump station construction

, an engineering assessment for the

Niton Pump Station, in accordance with CSA Z662. The engineering assessment

must demonstrate that the pump station is fit for its intended service, and meets all

applicable requirements of CSA Z662.

X

32

Sumas Terminal Geotechnical Report

Trans Mountain must file with the NEB,

at least 6 months prior to commencing

construction at the Sumas Terminal

, a geotechnical report that provides feasibility-

level geotechnical design recommendations for the proposed expansion at the

Sumas Terminal.

X

33

Westridge Marine Terminal Onshore Geotechnical Report

Trans Mountain must file with the NEB,

at least 6 months prior to commencing

construction at the Westridge Marine Terminal

, a geotechnical report that

provides feasibility-level geotechnical design recommendations for the proposed

new onshore facilities at the Westridge Marine Terminal, including consideration of

the potential for seismic damage.

X

34

Westridge Marine Terminal Offshore Geotechnical Report

Trans Mountain must file with the NEB,

at least 6 months prior to commencing

construction at the Westridge Marine Terminal

, the final Preliminary Geotechnical

Report on the offshore portion of the Westridge Marine Terminal, based on

the selected pile design option, including consideration of the potential for

seismic damage.

X