(b) that part of the former City of Longueuil lying southerly and westerly of a line described as follows: commencing at the intersection of the former southeasterly limit of the City of Longueuil wit
h de Chambly Road; thence northwesterly along said road to Curé-Poirier Boulevard West; thence southwesterly along said boulevard to N
otre-Dame-de-Grâces Street; thence northwesterly along said street to Sainte-Foy Boulevard; thence northeasterly along said boulevard to N
otre-Dame-de-Grâces Street ...[+++]; thence northwesterly along said street to Perrault Street; thence northeasterly along said street to de Châteauguay Street; thence northwesterly along said street and its production to the northwesterly limit of the City of Longueuil.