a) an axonometric diagram of each ventilation system, made without a scale in one line, indicating the dimensions of the cross-sections of the ducts, the number of each part, marks and bindings of the ducts to the axes and surfaces of building structures;

b) a complete list with a list of all parts, their dimensions, characteristics, quantity;

c) sketches of non-normalized shaped parts of air ducts with all the dimensions required for their manufacture;

d) the scope of work and specification of materials and standard components, including the type and number of fasteners.

Installation of fans up to and including No. 12 is carried out in the following sequence:

1) check the prefabricated structures on which the fan should be mounted;