Contracting activities. The contracting officer shall insert the clause at 352.223-70, Safety and Health, or a clause substantially the same, in solicitations and contracts that involve hazardous materials or hazardous operations for the following types of requirements:

1. (a) Services or products.
2. (b) Research, development, or test projects.
3. (c) Transportation of hazardous materials.
4. (d) Construction, including construction of facilities on the contractor's premises.