Costa Rica seeks irrigation dam with hydro potential

On behalf of the government of Costa Rica, the Central American Bank for Economic Integration (CABEI) seeks preparatory studies of the DRAT irrigation dam on the Piedras River with a potential for hydropower generation.

E-mail expressions of interest are due about May 25, followed by bids June 18.

The proposed dam of the Distrito de Riego Arenal Tempisque (DRAT) irrigation district is the fifth stage of the DRAT irrigation system that would store and reuse water discharged by the existing irrigation system on the Arenal and Tempisque Rivers. The current system includes the Arenal-Dengo-Sandillal (ARDESA) hydroelectric complex, comprising the 157.4-MW Arenal, 174-MW Dengo, and 32-MW Sandillal hydro plants.

DRAT dam would store water discharged from the system for use in irrigation of new areas and to serve communities. In additional, CABEI said, there is the possibility of building another hydropower development due to a head of 25 meters at the dam site on the Piedras River.

On behalf of Costa Rica’s Servicio Nacional de Aguas Subterraneas, Riego y Avenamiento (SENARA), CABEI seeks bids for a feasibility study, preliminary design, and solicitation documents for construction of DRAT dam.

Expressions of interest are due by e-mail within 20 days of the May 5 solicitation date, about May 25, to the Unidad de Preinversion of the Banco Centroamericano de Integracion Economica at CABEI said electronic mail will be the official communication channel of the solicitation.

Bids are due by 4:30 p.m., Honduras time, June 18 to the address below.

Bid documents, in Spanish, may be obtained from the CABEI Internet site,, under the link For information, contact Unidad de Preinversion, Banco Centroamericano de Integracion Economica, Frente a plantel de la ENEE, Boulevard Suyapa, Tegucigalpa, Honduras; (504) 240-2257; E-mail:

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