CTN :44288504
13 Mar, 2026
NA
Tender For tender for supply of chemical earth pit : : -supply installing testing and commissioning of maintenance free chemical earthing by using text-red-selected">copper ear
th pla
te 90cm x 60 cm c 5mm
thick buried direc
tly in ground ear
th pi
t no
t less
than 2 poin
t 25 me
tres deep below ground level wi
th
top edge of
the pla
te no
t less
than 1 poin
t 5 me
tres below normal ground level connec
ted
to
tex
t-red-selec
ted">copper ear
th s
trip 50 x 6 mm
thick by means of bol
ts nu
ts check nu
ts and washers of galvanised iron or s
teel all
the ground enhancing compound made of marconi
te donduc
tive aggrega
te consis
t of marconi
te resian based cemen
t adhesive and gypsum plas
ter shall no
t be less
than 45 kg pcc chamber of size 300 x 300 x 300 mm wi
th cover shall be provided on
the
top of ear
th sys
tem on 100mm
thick pcc 1 3 6 bed concre
te
the chamber shall burried in ground wi
th
top edge projec
ting up
to 75mm from fround surface comple
te all as specified adge projec
ting up
to 75mm from ground surface comple
te all as specified adnd direc
ted no
te
the ear
th resis
tance valvue should be less
than 3.00 ohm ii
the quo
ted ra
te shall include cos
t of
tex
t-red-selec
ted">copper s
trip 50mm x 6mm up
to 7 poin
t 5 m
tr lengh
t and ear
th pi
t bore hard disin
tegraa
ted rock , m and l ear
th con
tinui
ty conduc
ted or main ear
thing lead fixed
to wall celling on ba
ttern or recess or chases or buried in ground or drawn in condui
t pipe or o
ther direc
ted si
tua
tion for ear
thing e
tc as required 20 x 3 mm
tex
t-red-selec
ted">copper s
trip all as specified and direc
ted ,
taking down carefully old us ear
thing by manual excava
tion comple
te all as specified and direc
ted ,
taking down carefully old us ear
thing by manual excava
tion comple
te all as specified and direc
ted ,
taking down carefully old us ear
thing by manual excava
tion comple
te all as specified and direc
ted