No person shall use any blasting agent or explosives, as defined by the regulations promulgated by the Commissioner of State Police, without first submitting the following documents to the Harwinton Fire Marshal:
A.
A valid license for the use of explosives or blasting agents issued by the Commissioner of Public Safety;
B.
A written permit signed by the Commissioner of Public Safety or by the Fire Marshal of the Town of Harwinton, specifying the number of years the applicant has been engaged in blasting activity; and
C.
A certificate of insurance evidencing public liability and property damage coverage in an amount not less than $1,000,000, the term of said policy not expiring before the expiration date of said permit.