REPAIR AND MAINT OF EARTHING SOLAR HEATER APPLIANCES AND LIGHTNING PROTECTION OF VARIOUS CENTRAL INSTITUTE AND BUILDING UNDER GE SOUTH UDHAMPUR

Amount

Supply and fixing Air terminations Single pointed aluminium rod 12 mm dia and 300 mm long with necessary fixing arrangements on roof including taking down of old rusted complete all as specified and directed.

Supply and fixing Air terminations Single pointed copper rod 12 mm dia and 300 mm long with necessary fixing arrangements on roof including taking down of old rusted complete all as specified and directed.

Supply and fixing test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm, drilled and screwed including 3 nos 8 mm dia 25 mm hexogonal head screw including taking down old rusted complete all as specified and directed.

Supply and fixing rectangular PVC insulators for copper/ aluminium/GI strip complete all as specified and directed.

Supply and fixing solar water heater panel 1000 LPD FPC type (Panel type) servicing, cleaning, brazing, cutting, opening of glass etc with replacement of end caps & rubber cover complete all as specifed and directed by Engr-in-charge. Make : Recold

Supply and fixing solar water heater panel 500 LPD FPC type (Panel type) servicing, cleaning, brazing, cutting, opening of glass etc with replacement of end caps & rubber cover complete all as specifed and directed by Engr-in-charge. Make : Recold

Supply and fixing solar water heater panel 320 LPD FPC type (Panel type) servicing, cleaning, brazing, cutting, opening of glass etc with replacement of end caps & rubber cover complete all as specifed and directed by Engr-in-charge. Make : Recold

Supply and fixing Heating element capacity 3 KW for Solar water heater 1000 LPD. Make : Recold

Supply and fixing Heating element capacity 2 KW for Solar water heater 500 LPD. Make : Recold

Supply and fixing solar flat plate collector complete all as specified and directed by Engr-in-charge. Make : Recold

Supply and fixing vaccume tube for solar water heater panel various capacity complete all as specified and directed by Engr-in-charge. Make : Recold

Supply and fixing aluminium Strip 25 x 3.15 mm and fixing screws from aluminium air termination rod to test point terminal as down conductor and roof conductor including taking down of old rusted complete all as specified and directed. Note :- All the joints shall be made with nuts & bolts to get proper conductivity.

Supply and fixing Copper Strip 20 x 3.15mm and fixing with screws as continuous lead from Copper air termination rod to test point ternimal as down conductor, roof conductor and continuous earth lead to test point terminal including taking down of old rusted all as directed. Note:- All the joints shall be made with copper brazing to get proper conductivity.

Fixing only old aluminium/copper strip of any size on insulator including straightening to old strip etc complete all as specified and directed.

M&L for Earthing complete with Copper earth plate electrode 600mm x 600mm x 3.15mm thick burried directly in ground (earth pit not less than 2.25 meter deep below normal ground level with top edge of earth plate not less than 1.5 m below the normal ground level) connected with and including to copper strip as earth wire 20 x 3.15 mm dia by means of bolts, nuts, check nuts and washers of brass all as shown in Elelctrical plate No 3 of SSR Part - I 2009 including charcoal dust, common salt, 20mm bore GI medium grade watering pipe, 40mm dia GI light grade protection pipe with funnel and wire mesh, PCC Pit in 1:2:4 type B 1 using 20mm graded stone aggregate with angle iron 40x40x5mm frame, RCC pit cover of suitable size complete all as specified and directed by Engineer-in-Charge and testing for required value complete.

Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length. (ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost.

Cutting of concrete in paving exceeding 15 cm thickness but not exceeding 30 cm below ground level by using mechanical concrete cutting machine complete all as specified and directed.

M&L for cement concrete type C1 (1:3:6) using 20mm graded crushed stone aggregate for making good distrubed surface per existing finished even and smooth complete all as specified and as directed by Engr-in-Charge.

M&L for Earthing complete with galvanised steel earth plate electrode 600mm x 600mm x 6.00mm thick burried directly in ground (earth pit not less than 2.25 meter deep below normal ground level with top edge of earth plate not less than 1.5 m below the normal ground level) connected to galvanised iron strip 25 x 4mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in Electrical plate No 3 of SSR Part - I 2009 including charcoal dust, common salt, 20mm bore GI medium grade watering pipe, 40mm dia GI light grade protection pipe with funel and wire mesh, PCC Pit in 1:2:4 type B 1 using 20mm graded crushed stone aggregate with angle iron 40x40x5mm frame, RCC pit cover of suitable size complete all as specified and directed by Engr-in-Charge and testing for required value complete.

Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length. (ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-Charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost.

M & L for Earthing complete with galvanised steel earth plate electrode of size 600mmx600mmx6.00mm thick as earth electrode burried directly in ground earth plate not less than 2.25m deep below normal ground level with top edge of earth plate not less than 1.5 m below ground level connected to and including galvanised steel earth lead wire 4mm dia as earth continuity conductor connected to earth plate by means of GI thimbles nuts bolts washers all as directed inculding providing earth wire protection pipe GI light grade 15mm dia from earth plate to main switch board / panel , watering GI pipe medium grade 20mm dia with mesh and funnel at top , earth pit and RCC pit cover in PCC 1:3:6 adequate quantity of characoal dust and salt all around the earth plate , earth work in any type of soil, remaning surplus excavated material all as required at site and specified in Electrical plate No 3 of SSR part I 2009 or directed by Engineer-in-Charge.

Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length. (ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-Charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost.

PREM NATH KHAJURIA AND SONS