Answer:
The Prime Contractor
Step-by-step explanation:
A contract is a legally binding agreement between two or more parties.
The employer obligations in 1926 subpart B talks about the provision of a sanitary and safe work place on a construction site. .
Even though the prime contractor may make arrangement with the sub contractors working on a site on the the provision of these required facilities , nevertheless the overall compliance to this obligation legally falls on the prime contractor and as such, he is responsible for the employer obligation