Environmental, Design of Rain and Sanitary Drainage in Module UASD, Puerto Plata, R.D., Design and Construction of Sanitary Sewer Puerto Plata City, Puerto Plata, R.D., Design and Construction of Pumping Station of Lombichito, Puerto Plata City, Puerto Plata, R.D., Construction of Collection Line of 24” and 30” a Treatment Plant in the Sanitary Sewer of the Municipality of Puerto Plata, Puerto Plata, R.D., Design and Construction of Drinkable Water and Sanitary Sewer System in Charamico Nautical Club, Sosua Municipality, Puerto Plata Province, R.D., Consultancy for ISO 14001 certification, FERQUIDO Company, 12/2009, Consultancy for the BID-AIDIS, about Evaluation of the Residence Solid Residue in Latin America and the Caribbean, 01/2010