Substation & Switchyard Works Tender Results

CBL TRAY,GALVANISED: G.I. perforated trays of various sizes for all cable trenches in switchyard, control room

M&L for earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground( earth pit not less than 2.25 m deep below the normal groungnd level) with top edgee of the plate not less than 1.5m below normal GL connected to GI earth strip of size 32mmx6mm by means of bolts, nuts, check nuts washers of GI or steel all as shown in electrical plate No-5 of SSR Part I connected to machanery /equipments installed power house/sub station all as specified including testing on completion. Note (a) The unit rate shall include for excavation earth work in any type of soil ,PCC (1:3:6) type C1 pit , RCC 1:2:4 type B-1 cover slab reinforced with 8 mm dia CTD bars @ 150mm C/C both ways funnel with 15mm bore GI watering pipe , 20mm dia GI protection pipe, wire mesh and copper lugs complete all as specified in SSR part I &II (b) Marking/painting on the earth chamber with date of test, name of machine and earth value.