West Bengal Zoo Authority Tender

Laying of cable from 3/3½ core 35 sqmm to 50 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting

Supply only 1.1KV 4 core 35 sqmm aluminium armoured cable

Laying of cable from 3/3½ core 35 sqmm to 50 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting

S & F ESE sigmatech guard lightning arrester area coverage approx 107 mtr radii made in turkey anticipate all other elements and items within its protectable range according to its protection level radius by intercepting the lightning strikes ESE Terminal work as to principle of creating IONs by its internal ION GENERATION *NFC 17-102/2011 Max current with stand (10/350us)/2.5Mj/ohm = 200kA . Adrance time ( delta T) 62.us

S & F water proof lightning strike counter for all SPD, lightning rod of 8 digit IP67 ABS digital counter *Intensity min: 1kA (8/20μs according to 62.561-6:2011) *intensity max : 100kA (10/350us according to 62.561-6:2011)

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation, per storey of building per vertical run

Earthing with copper plate (610mmX610mmX3mm) thick size having weight of 9.84kg & 1 no. 25X5mm copper strip (3.2mtrs.) long & 1 no. 6 sq.mm . PVC insulated stranded copper wire (4 mtrs. Long) including 15mm dia. G.I. pipe protection (4 mtrs. Long) to be filled with bitumen, partly under the ground level partly above the ground level to an average depth of 3.65 mtrs. below the ground level and restoring the surface duly rammed including providing 3 mtrs. 25mm dia. G.I. pipe (ISI medium) for periodic treatment including masonary enclosure on top of the earth electrode of overall size 86.36X86.36X46cm deep (below ground level) complete with cemented brick work (1:6) of 25cm width, duly plastered with morter (inside) C.I. hinged inspection cover of size 36.56X36.56 cm with locking arrangement, GI reducer and treatment of soil by using salt and charcoal or coke for earth electrode.(b) For Moorum Soil

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

Excavation of soil for installation of Earth Electrode and filling & ramming.

For Morrum Soil

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

A Guy wire or a tension cable for stay of single lightning arrester pole 30 rm for individual pole with twisting on or attached to the mounting bolts and tightening and connection to equipments incl. with bolts , nuts, washer etc

(a) 30 runing mtr x 18 nos

Supply only 80mm GI (ISI-Medium)

(a) 30mtr x 18 nos

Extra for treatment of soil by using salt & charcoal or coke for plate electrode