El Platanal Hydroelectric Power Plant (220 MW) – Surface Work

General Information

Client Compañía Eléctrica El Platanal - Celepsa
Location Lima, Peru
Date 2007 – 2009


  • Surface works and hydromechanical assembly for the hydroelectric power plant.
  • Excavation and support of diversion tunnel: 217 m long with 50 m2 trunk section.
  • Temporary bridge (speed bump) to access the exit mouth of the diversion tunnel.
  • Construction of two camps.
  • Relocation of permanent accesses.
  • Jet-Grouting waterproofing curtain.Construction of a 36m high CCR dam.

Project data

of steel
85M m3
of formwork
79M m3
of concrete
of height of CCR dam