Floating Roof for Oil Tank

A floating roof for an oil tank, comprising:

• a beam unit;
• and
• a plurality of float units mounted on the beam unit;
• wherein:
• the beam unit includes a plurality of longitudinal beams and a plurality of transverse beams connected with the longitudinal beams;
• each of the longitudinal beams has an upright wall provided with a plurality of first transverse holes;
• each of the transverse beams is located between two of the longitudinal beams and has a bottom plate and two transverse side plates extending upward from the bottom plate;
• each of the two transverse side plates of each of the transverse beams is provided with a second transverse hole aligning with one of the first transverse holes of one of the longitudinal beams;
• the beam unit further includes a plurality of bolts each extending through one of the first transverse holes of each of the longitudinal beams and the second transverse hole of each of the two transverse side plates of each of the transverse beams, and a plurality of nuts screwed onto the bolts, so that the longitudinal beams and the transverse beams are combined together;
• and
• the float units are secured on and supported by the longitudinal beams and the transverse beams of the beam unit.