Consisting of that part of the City of Richmond lying westerly and northerly of a line described as follows: commencing at the intersection of the northerly limit of said city with the Oak Street Bridge (Highway No. 99); thence southeasterly along said bridge and Highway No. 99 (Fraser-Delta Thruway) to Cambie Road; thence westerly along said road to No. 4 Road; thence southerly along No. 4 Road to Westminster Highway; thence westerly along said highway to No. 3 Road; thence southerly along said road to Steveston Highway; thence westerly along said highway and its production to the westerly limit of said city.