Cable-stayed bridge support the bridge deck. Unlike other cable-stayed types, this bridge exerts considerable overturning force upon its foundation and the spar must resist the bending caused by the cables, as the cable forces are not balanced by opposing cables. The spar of this particular bridge forms the gnomon of a large garden sundial. Related bridges by the architect Santiago Calatrava include the Puente de la Mujer (2001), Sundial Bridge (2004), Chords Bridge (2008), and Assut de l'Or Bridge (2008). Cable-stayed bridges with more than three spans involve significantly more challenging designs than do 2-span or 3-span structures. In a 2-span or
GSL-class service barge pontoon GSL-class service barge pontoon A GSL service barge pontoon is a non self-propelled yardcraft built by Goa Shipyard Limited for the Indian Navy. The pontoon is a catamaran having rectangular shaped, flat-bottomed hulls. The hulls are connected by trusses of round pipes and steel deck transverse beams. Each hull is divided into eight watertight compartments. The pontoon have cylindrical rubber fenders of 600 mm O.D. installed on both sides to absorb impacts and low reaction loads. Structural provisions have been made for vertical roller fenders at the forward and aft corners on the side facing the ship. The fenders are