Item

Structural Type

Minimum Detailing
Requirements

Structural
Performance Factor K

1. (a)

Ductile moment-resisting frame

Must comply with the detailing for ductility requirements or is 4326 and, for steel lnnws, the additional requirements of NBC111-94

1.0

  (b)

Frame as in 1(a) with reinforced concrete shear walls

For frames : as for 1(a).
Reinforced concrete shear walls must comply with appropriate³ detailing for ductility requirements

1.0¹

2(a)

(b)

Frame as in 1(a) with either steel bracing members detailed for ductility or reinforced concrete infill panels

For frames : as for l (a).
Steel bracing members must comply with the detailing for ductility requirements of NBC 111-94.
Reinforced concrete infill panels must comply with the detailing requirements of NBC 109-94.

Frame as in (a) with masonry infills

Must comply with the detailing for ductility requirements of : IS 4326

3 

Diagonally-braced steel frame with ductile bracing acting in tension only

Must comply with the detailing for ductility requirements of Nepal Steel Construction Standard

4 

Cable-stayed chimneys

Appropriate materials Standard

5 

Structures of minimal
ductility including reinforced concrete frames not covered by 1 or 2 above, and masonry bearing wall structures.

Appropriate materials Standard