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110. AVALANCHE ROD
QUALITATIVE REQUIREMENTS PICTURE OF
EQUIPEMENT
1. Scope : Lays down requirement for avalanche rods mountain
ring .
2. Nomenclature : As given in fig.
3. Materials :-
i) Cone :- Grade 24345 in wp condition IS 733-1983 specification
for wrought aluminium and aluminium alloy rods and section ( for
general engineering purpose) ( Third revision)
ii) Aluminium pipe :- Grade 64430 in WP condition IS : 736-1977
specification for wrought aluminium alloy drawn tube for general
engineering purpose ( second revision)
iii) Wire Holder :- Grade CuiZn 30 Annealed IS 736-1977
specification for wrought aluminium and aluminium alloy
drawn tube for general engineering purpose (second revision)
iv) LUG :- Grade -64430 in WP condition IS : 736-1983
v) Flexible Wire:- steel wire made from 0.3 mm dia galvanized
steel wire tensile designation 1770 IS :Specification of round
steel wire for ropes ( third revision)
vi) Aluminium Nut :- Grade 64430 in WP condition IS : 736-1983
vii) Steel Hexagonal Nut :- Grade – 11C10S25 nut rolled IS : 4431-
1978 Specification for carbon and carbon manganese free
cutting steel ( first revision)
viii) Semi- threaded wire holder – Grade CuZn 30 Annealed IS :
4431-1978
ix) Semi there’d wire holder :- Grade -11C10S25 nut rolled IS
4431-1978
x) ROD :- Grade 1 wire of IS : 16731984 specification for mild
steel wire cold heading quality (second revision)
4. General requirement :
1) The main tube shall be manufacture from suitable tube and shall
be initially threaded on own side and plug shall be suitably wanted
on the other so as to fit in successive rods. The avalanche rod shall
contacts of rods come .
2) The spikes shall be suitably for rod.
3) The various part of avalanche rod shall be given suitable anti
corrosive treatment
6) Mass :- The mass of the contact of 8 rods knobs and point (two)
shall be 1400g. max.