Waterpark

we have a leading company which is active in producing &investing in tourism sector where is located in tehran,iran.
now we work on the area approximately 12000 meters in the sea,actually we want to make the water park in it.
i just want to know your suggestions about the price,technical specifications and the delivery time .
at last please arrange an appointment for our managers to come and visit your company & projects that you have done in your cities.
i'm waiting for your quick reply.