Invitation to tender from Electroperu SA for supervision during underwater inspection of the 19,314 m water conveying tunnel for the Santiago Antunez de Mayolo hydro. Click here and here for more details. RNP (Registro Nacional del Proveedor) registration is needed click here to view http://www.rpn.gob.pe. For further information contact Electroperu SA, att.n Oscar Mendoza Concha, Logistic Analist, San Juan de Miraflores, tel +51 1 7083208 | 940310125, e-mail omendoza@electroperu.com.pe. R.U.C. N° 20100027705. 03/16.