[HISTORY: Adopted by the Annual Town Meeting of the Town of Marblehead
5-6-1987 ATM by Art. 88. Amendments noted where applicable.]
A.
For all permits issued for blasting rock within the Town of Marblehead, except as referenced in Subsection F below, a pre-blast survey shall be made by the contractor, or by an approved firm normally engaged in this type of work. Such survey shall be acceptable to both the insurer of the party performing the blasting and to the head of the Fire Department.
B.
The pre-blast survey shall include a survey of the interior
and exterior of existing buildings and stone walls adjacent to the project
as specified below, before any excavation or blasting is done.
C.
The survey shall record all visible structural defects
such as cracks, settlement, and lines out of plumb, etc.
D.
The survey data shall be recorded in a permanent manner
in approved hardbound notebooks. The survey data shall include photographs
or videotapes showing the structures surveyed, referenced to the notebook
pages. Also, a tape recording of all data pertinent to the survey shall be
made. The scope and format of the recorded survey data shall be satisfactory
to both the head of the Fire Department and the Town Engineer. Before commencing
any blasting or ledge excavation, copies of the survey shall be on file at
the offices of the Town Engineer and the Fire Prevention Inspector.
E.
The adjacent area requiring the pre-blast survey is specified
as all buildings and stone walls with a radius of 250 feet from said blast.
