LA ESPERANZA DAM
Full renovation of the bottom outlet
Design, fabrication and installation of a new outlet liner, a 2,700×3,050 mm radial Tainter gate with approach system®, a Ø600 flush bottom circular gate valve®, a Ø600 Howell-Bunger fixed cone valve, a Ø600 butterfly valve, two flowmeters, renovation of the two existing flush bottom square and rectangular section gates and remodelling of the stilling basin.
Client: EMPRESA PUBLICA DEL AGUA
Location: CALCETAS, MANABI, ECUADOR
Work execution period: 2015 – the present
Water head: 45 mWC
The La Esperanza dam is located near the town of Calcetas, Manabi Province, Ecuador. INHISA HIDRAULICA S.A. performed comprehensive repair and modernisation work on the bottom outlet which was in an inoperable condition
Renovation and modernisation of the gates included:
- Renovation project for the bottom outlet, including calculations, construction drawings, 3D models and mathematical simulations to confirm proper functioning of the stilling basin.
- Renovation of the two existing flush bottom square and rectangular section gate valves.
- Demolition and remodelling of the stilling basin and the weir for the bottom outlet.
- Design, fabrication and installation of new liner downstream of the two flush bottom square and rectangular section gate valves, including the irrigation by-pass flow and fixed parts for the new Tainter radial gate for the bottom outlet.
- Design, fabrication and installation of a 2,700×3,050 mm Tainter radial gate with approach system®
- Design, fabrication and installation of a Ø600 circular gate valve®
- Design, fabrication and installation of a Ø600 Howell-Bunger®-type fixed cone valve.
- Design, fabrication and installation of hydraulic power units, electrical command and control desks and installations.
