Government uses and buildings under the jurisdiction of the City of Beverly are allowed in all districts. Additionally, those uses exempted from the provisions of this chapter in accordance with MGL c. 40A, § 3, are allowed in all zoning districts, subject to the provisions and requirements of that section of state law. Utility company terminal enclosures, service cabinets, and underground vaults are allowed in all districts, provided they are screened. (See § 300-5 for definition of "screening.")