Section 63(a) in U.P. Building And Other Construction Workers (Regulation Of Employment And Conditions Of Service) Rules, 2009
(a)Standards of a scaffold are -(i)plumb, where practicable; fixed sufficiently close together to secure the stability of such scaffold having regard to all the possible working situations and conditions for the intended use of such scaffold;(ii)spaced as close as practicable to ensure safety and stability of such scaffold;
