REPAIR AND MAINT OF LIGHTENING ARRESTERS OF OHT AND ALLIED WORKS AT AF STN JODHPUR AGE EM GE (AF) NO 02 JODHPUR

Amount

M&L for earthing complete with 600 mm x 600 mm x 3.15 mm thick copper earth plate electrode buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of plate not less than 1.5 m deep below normal ground level and connected to and including earth lead 20mmx3mm copper strip by means of nuts, bolts, check nuts, washers thimbles, etc as shown in electrical plate No 3 of SSR Part I and connection to main switch board or panel and testing on completion including excavation and earth work in any type of soil, returning filling in, and removal of surplus spoil to a distance not exc 50 metre, PCC chamber (1:3:6) type C-2, charcoal and salt mixed layer 15 cm thick all around the earth plate electrode, MS funnel with wire mesh, GI pipe medium grade 20 mm bore for watering and 40 mm bore 7.50 metre long GI pipe light grade for earth lead protection fixed with poles/walls with two clamps, made from MS flat 25 mmx3mm, bolts, nuts and washers, 23 mm thick sand stone slab pit cover etc including dismantling & taking out old unserviceable earthing, complete, all as specified & directed. Note : PCC chamber shall be constructed at least 1.5 m away from the earth electrode. The pipe for watering shall be provided in slanting manner

S&F in repair copper strip of size 20 x3 mm as earth continuity conductor buried in ground or fixed to wall/floor/ground provided with porcelain insulators space no less than 0.5 mtrs complete all as specified and directed.

M&L air termination single pointed copper rod of 12 mm dia and 300 mm long.

S&F GI pipe 40 mm dia grade to be fixed in PCC foundation all as specified and as directed by Engineer in charge.

M&L for Construction of brick masonry valve pit, in repair, of internal size 90cm x 90cm x 90cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement with one number 50 mm dia brass pad lock , complete all as specified and directed by Engineer - in - Charge Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4) (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete ( 1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Three coats of white wash to internal surfaces of valve pit. (vi) Depth of valve pit shall be reckoned from the top of PCC in foundation.

All as per Srl item No 5 above but internal size 120cm x 120cm x 90cm

All as per Srl item No 5 above but internal size 150cm x 150cm x 90cm

S&F in replacement MCCB 4 Pole 100 Amps, thermal magnetic release having, breaking capacity 25 KA, 415 Volt in the existing feeder pillar box including any addition / alteration to the panel to accommodate the new MCCB & making connections with 25x3 mm copper strip as required from main bus bars, making necessary welding work, metal work for fixing base plate etc. and connections complete all as specified and as directed by Engineer-in-Charge. Make : Legrand Cat Part No. DPX 160 420055 or equivalent in L&T / Schneider / Standard

All as per item No. 9 here-in-before but MCCB 4 Pole, 125 Amps rating, breaking capacity 25 KA, 415 Volt Make : Legrand Cat Part No. DPX 160 420056 or equivalent in L&T / Schneider / Indoasian

All as per item No. 9 here-in-before but MCCB 4 Pole, 160 Amps rating, breaking capacity 25 KA, 415 Volt Make : Legrand Cat Part No. DPX 160 420057 or equivalent in L&T / Schneider / Indoasian

S&F in repair Building security light fittings, with pressure die cast alumunium housing, suitable for 90 W LED, complete pre wired, incl suitable bracket for fixing light on wall or any indicated location all as specified and as directed.

Supplying and fixing /connecting for service connection/garden light connection, 1100 volts grade heavy duty cable PVC insulated alumunium multi stranded conductor, twin core cable circular of sizes 6 sqmm 2 core complete all as specified and directed by Engineer-in-charge.

M&L for repair/remarking to existing scale and indicator (water level indicator of RCC UG reservoir or overhead reservoir) with synthetic enamel paint as per colour code and as directed by Engr-in-Charge.

M&L for replacement of PVC floats of size 300mm with PVC wire, red painting iron plate as per existing size including changing of nylon rope etc., complete as directed in all RCC overhead reservoir or UG reservoir complete all as specified & directed.

M&L for complete removal of existing paint of pipeline of OHT & UG Sump upto 200mm dia pipe, including water flow marking ,base frame ,Pipe header and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-charge.

Supplying, fixing and testing in replacement of 80mm bore cast iron sluice valve with langed ends drilled ISI marked conforming IS 14846-2000 with stainless steel spindle with iron wheel, CI gate with brass nut, bolts, washers and rubber packing for connecting pieces etc complete all as specified and as directed by Engineer-in-Charge.

All as per Srl item No 17.00 here-in-before but 100 mm dia bore.

All as per Srl item No 17.00 here-in-before but 150 mm dia bore.

S&F in replacement on overhead tank wire netting of stainless steel wire 1.4 mm dia fixed with tinned tacks of stainless steel wire staples, (size of wire mess 12mm ) including necessary stainless steel bracket in any length and fixing accessories like PVC plugs , brass screws etc. complete all as specified & directed.

Taking down old unserviceable aviation obstruction light from OH tank of staging upto 20 mtrs and supply & fix aviation light complete all as specified and directed by Engineer - in – Charge.

S&F in replacement 80mm dia butterfly valve complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 22.00 here-in-before but 100 mm dia bore.

All as per Srl item No.22.00 here-in-before but 150 mm dia bore.

All as per Srl item No 22.00 here-in-before but 200 mm dia bore.

Rajendra Engineering Works

L C ASSOCIATES

Siddharth Constructions