Permit required; conditions of issuance. The Inspector of Buildings
shall grant permits for the erection, alteration, removal or tearing
down of buildings. No structure or foundation shall be built, altered
or torn down without such a permit, but no permit shall be issued
unless the street is on a plan duly filed and recorded, and before
the permit shall be issued, such street shall have been suitably improved
to the satisfaction of the Planning Board as adequate in respect to
public health, safety and general welfare for the special circumstances
of the particular street, and an affidavit filed by a registered engineer
stating that plans and profiles of said street are in compliance;
and until the Inspector has carefully examined the plans and specifications
of the proposed building or alterations and ascertained that the building
has sufficient strength, that means of ingress and egress are sufficient
and the building conforms to the requirements of these ordinances
and the regulations of MGL c. 143.