This is a total small business set-aside opportunity to rebuild the Bahia de Guayanilla Entrance Range Rear Light in Puerto Rico, involving demolition and new construction of an aid-to-navigation structure. The project requires furnishing all labor, equipment, and materials for on-site work, including pile driving and installation of a metal skeleton tower. The performance period is 180 calendar days, with an estimated budget between $500,000 and $1,000,000. Work will be performed in the waters near Guayanilla, Puerto Rico, where water depth fluctuates from 10 to 15 feet. Bid, payment, and performance bonds are required.