(a) Schoolbuses (no extracurricular activities).

(b) Milk trucks with dual tires on rear axles and on trailers.

(c) Trucks hauling perishable commodities. Drivers must be able to show proof that at least 50 percent of their load is fresh produce and/or perishables.

(d) Garbage vehicles making pickups required for health, e.g., schools, hospitals and institutions.

(e) Dead animal services required for health reasons.

(f) Vehicles or emergency equipment vendors hauling medical supplies (gases, drugs, etc.).

(g) Feed trucks.

(h) Fuel trucks.

(i) Vehicles engaged in septic tank pumping – emergency basis, one trip only.

(j) Public transportation vehicles.

(k) Vehicles providing service necessary for health and welfare.

(a) The gross weight of such vehicle shall not exceed that amount determined by multiplying the total number of tires concentrated upon the surface of the road times the maximum allowable gross weight per tire;

(b) No allowance shall be made for any second rear axle suspended from the frame of the vehicle independent of the regular driving axle, otherwise known as “rigid tail-axles;”

(c) Allowance will be made for single tires only on the front of a vehicle;

(d) The load distribution on any axle of a vehicle shall be such that it will not load the tires on said axle in excess of the prescribed load, as set forth above, and any loading in excess of the specified maximum will be considered a violation of this chapter;

(e) In an attempt to comply with requirements of this section, the power unit of any combination shall be sufficiently designed to lawfully handle the designated weight;