It shall be the duty of the owner, tenant, or lessee causing
the construction, demolition, or moving of any building or improvement
within the municipality to have during such work of all excavations,
open basements, building materials, and debris, protected by suitable
guards or barricades by day, and by warning lights at night. The failure,
neglect, or refusal of said persons to erect such guards shall constitute
a violation of this section and the municipal police or the Building
Inspector shall stop all work until guards are erected and maintained
as required.