Bottom plates are placed onto the upper waterproof layer of the foundation and assembled by the assembling devices and tack welds. The plates of the first (lower) strake are placed strictly positioned along the perimeter of the bottom. The joints are fixed by the assembly devices. To fix the assembling devices to the plates of the walls additional elements are being welded to the walls when manufacturing the plates at the plant.

The plates joints with various edge shape are manually or automatically welded.

The quality of the welded joints is tested by non-destructive methods,
I.E. vacuum, ultrasonic, x-ray, etc.

Every consecutive strake of the wall is being assembled and welded. Cranes or other lifting devices, such as masts, derric-cranes, are used for plate installation. Temporary falsewalks are installed inside and outside the walls. When the walls are assembled, the permanent roof is installed. The floating roof or pontoon may be assembled alongside with the walls installation.

The assembled structures of storage tank are coated with prime layer and painted in compliance with the design which takes the local climate into consideration.

The tanks with the capacity of 100-5000 cub. m could be installed during one to three mounth, those of 10000-50000 cub. m - four to eight mounth. In case of sumultaneous installation of several storage tanks are assembly period could be shortened.

A	B	C	D	E
with conic stationary roof		with spheretical stationary roof		with floating roof
without pontoon	with pontoon	without pontoon	with pontoon