1. BY : D.K Mehta 2. Introduction The Hydro-Mechanical Equipments are provided to control the flows to facilitate planned and controlled reservoir operation, and also for maintenance purposes. Further it also includes the machinery to operate it. Hydro Mechanical Works can be classified into two major branches : GATES HOISTING EQUIPMENT Hydro-Mechanical Equipment 3. GATES A gate is a closure device in which a leaf is moved across the fluid way from an external position to control flow of water Depending upon the head the gates are also further classified as: a) Low Head (H