| 1 | Note
1. Contractor should visit at site before Quoting the tender to know the working condition of the station.
2. All requisite safety measurers adopted by contractor on site for working at any hight / any building of INA Ezhimala.The Contractor will be fully responsible for any incident occurs at site.
3. Quoted rate shall be included for working on high rise Buildings.
4. The Contractor will responsible for making arrangement of working on high rise building. | | |
| 2 | Material and Labour for earthing complete with copper earth plate eletrode 600 mm x 600 mm x 3.15m thick burried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filled in alternate layers and electrode connections by using copper earth strip of size 20x3mm connected by means of bolts, nuts, check nuts and washer of copper, provision of 40mm dia GI pipe medium grade for protection of copper earth strip and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) Type C1 chamber of size 45cm X 45cm X 45cm including, MS funnel, wire mesh, 50 mm thick RCC 1:2:4 type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I
Note:
(i) The unit rate shall also includes for Wire mesh, funnel, excavation, returning filling , removing , PCC chamber pit, RCC cover, test point etc. | 4.00 | Each |
| 3 | Material and Labour for earthing complete with Galvanised steel earth plate eletrode 600 mm x 600 mm x 6 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filled in alternate layers and electrode connections by using Galvanised earth strip 25x4mm connected by means of bolts, nuts, check nuts and washer of galvanised iron or steel, provision of 40 mm dia GI pipe medium grade for protection of GI earth strip and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) type C1 chamber, MS funnel, wire mesh, 50 mm thick RCC 1:2:4 Type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I
Note:
(i) The unit rate shall also includes for Wire mesh, funnel, excavation, returning filling , removing , PCC chamber pit, RCC cover, test point etc. | 4.00 | Each |
| 4 | Material and Labour for earthing complete with Galvanised steel earth plate eletrode 600 mm x 600 mm x 6 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filled in alternate layers and electrode connections by using Galvanised wire 4mm connected by means of bolts, nuts, check nuts and washer of galvanised iron or steel, provision of 15mm dia GI pipe medium grade for protection of GI earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) Type C1 chamber of size 45cm X 45cm X 45cm including, MS funnel, wire mesh, 50 mm thick RCC 1:2:4 type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I
Note:
(i) The unit rate shall also includes for Wire mesh, funnel, excavation, returning filling , removing , PCC chamber pit, RCC cover, test point etc. | 4.00 | Each |
| 5 | Supply and fix Copper strip 20 x 3mm with saddles and fixing screws etc. for roof conductors / down conductors / any place of building at any hight, connecting to earth pit to equipement including DMC / FRP insulators with suitable distance ,removing the old unserviceable strip and brazing all the joints complete all as directed.. | 30.00 | RM |
