Labour Law in Kuwait

A Dutch construction company, XYZ, has operations in over 40 cities worldwide and employs more than 50,000 staff. Employees working on-site work in twelve-hour day and night shifts. XYZ has recently set up operations in Kuwait ("XYZ Kuwait"), hiring local staff as well as bringing a number of existing employees to Kuwait on assignment for a one-year period to train the local employees. The managing partner of XYZ Kuwait would like to know how Kuwaiti law addresses the following issues with respect to the local employees and particularly to the foreign employees on assignment, given that their employment contracts are subject to the laws of the Netherlands.

What are the permissible working hours and how is overtime calculated?