Sample Activity of Integration on Refraction, Dispersion and Colour

A swimming pool of 12 feet at the deep end shown in figure 2.17, in one hotels in Uganda, has had problems with some people drowning when they go swimming in it for the last six months.
The community including several residents, customers, local council leaders and the police have developed unfriendly working relationships with the hotel staff and have been to courts of law on several occasions. Several hotel staff have been expelled from work amidst citing curses and witch craft. This resulted

Task:
Assume you are the new hotel manager and a meeting of the stakeholders has been organized. Write a report you will give to help solve the problem.