REP REPLACEMENT AND MAINT OF VARIOUS TYPES OF EARTHING TO ELECT DISTR NETWORK AND MISC REP TO LIGHTENING CONDUCTER OF BLDG AND REP REPLACEMENT AND MAINT OF INDOOR LT METERING PANELS AND DISTR BD AT PHI PHII PHIII BLDGS OF MH KHADKI UNDER GE MH RH KHA

Amount

Taking down of unserviceable copper/GI/Aluminium earthing strip of any size complete all as specified and directed.

Supply and Fixing in repair copper strip of size 20mmx3mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing/down conductor strip etc, complete all as specified and directed. Note: Copper strip shall be 99.99% copper to be provided

Supply and Fixing in repair GI strip of size 32mmx6mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc complete all as specified and directed.

Supply and Fixing Aluminium strip of size 25mmx3mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or roof for lightening arrestor or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing/down strip from bldgs etc, using porcelain clit/post insulators with screw/GI drill bit screw with clamp of required size at specified distance, complete all as specified and directed. Note : The cost of T & P and minor spares reqd for fixing the above conductor is included in the quoted rate. ii) For serial no. 2,3 and 4 the work is to be carried out at different heights of MH buildings (G+3 and G+4). The cost of T&P required for fixing these strips are included in the quoted rate.

Taking down old unserviceable earthing test point terminal block and Supply and Fixing Earthing test point terminal block made up of gun metal or phosphorus bronze of size 75mmx75mmx25mm thick drilled and screwed including 3Nos, 8mm dia, 25mm long hexagonal head screws including MS box 2 mm thick of suitable size for protection of test point terminal complete all as specified and directed.

Supply and Fixing in repair Air termination, single pointed Aluminium rod 12mm dia and 300mm long with complete acessories fixed on aluminuim strip for earth conductivity to ground complete all as specified and directed.

Supply and Fixing conventional lightning arrester complete all as specified and directed for following specification:- a) Lightning arrester b) Pure copper LA with base plate c) 14 mm dia and 1mtr in length, cylindrical type 4 spike (solid) d) Installation of only LA Note:-i) Strip or cable rates not included in above rates. ii) LA mounted directely on the structure of the building.

Taking down old unserviceable GI tubing and Material and Labour for 40 mm bore Galvanised iron tubing, medium grade, IS-1239 marked including ISI marked fittings and laid in trenches/under road/drains, fixed to poles/ walls or fixed to pcc block for fixing air termination rod with suitable size flat iron clamps, bolts, nuts and washers (for fixing Air termination rods) complete all as specified and directed. NOTE :- Clamps, nuts & bolts shall be measured and paid for separately.

Taking down old unserviceable GI pipe & Material and Labour for 40mm bore galvanised iron pipe, light grade including all fittings and fixed to wall/poles/floors, laid in trenches complete all as specified and directed. Note :- Excavation & earthwork shall be measured & paid separately under relevent item.

Disconnecting/Taking down old unserviceable Earthing pit of any type with accessories including removing of demolished material from work site at any distance out side MD land complete all as specified and directed.

Supply, installation and commissioning of advance maintenance free system based earthing comprising of following accessories complete all as specified and directed. (a) Set of 01 Nos 3000 mm long, 17.0 mm dia earth electrode made of 99.99% copper circular rods with connect copper strip and electrode with the help of copper brazzing of incoming copper strips of size 25 x 3 mm of length as per site requirement upto Bus bar as decided by Engr - in-Charge and distance between each copper earth electrode is minimum 3 Meter . (b) Copper bus bar of size (300mm x 25mm x 6)mm act as test point connect with copper nuts and bolts with post insulator.(Nuts/bolts as required is included in the cost). (c) Poly propylene earth pit cover of size 300mm x 300 mm (with safe working load 2000 Kg) - 01 No (d) Copper bus bar of size (250mm x 50mm x 6)mm exothermically welded with main earth electrode (e) Each pit filled with earth enhancement compound /chemical (Magnesium sulphate) only (min 75 Kgs/pit) all as specified. (f) Required result of earthing less than 01 Ohm . If desired Ohmic value is not achieved then additional set of 1 No of 3000 mm long, 17.0 mm dia earth electrode made out of 99.9% copper rod with allied items, 01 x Pit cover, 01 x Sub bar as (d) above 75 Kg of chemical shall be provided by contractor without any extra cost to Govt. No price adjustment shall be made, if additional set is not required complete all as directed by Engr- in-charge (g) Necessary excavation work in any type of soil/strata, returning filling and removal of soil is included in the aquoted rates. (h) Site inspection for complete Earthing work is mandotry for the Contractor before quoting the tender. No explanation/doubts will be entertained later. (j) Any damage done to govt property during the execution of work will be make good by the contractor at his own cost.

Material and labour for earthing with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to GI strip 32mm x 6mm thick, by means of GI Welding made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to control board or transformer neutral earth or as directed including earthing pit of size 450mm x 450mm x 300mm (outer size) wall thickness 100mm made in PCC (1:3:6) type C-1 (20mm graded stone aggregate) and pre-cast reinforced cover slab of size 450mm x 450mm x 80mm thick made with MS XPM Jalli, RCC (1:1.5:3) (20mm graded stone aggregate), with one handle made out of 8 mm dia round bar, 20mm dia GI pipe 'light grade' for watering funnels, wire mesh and provided charcoal or coal of alternative layers of 15 cm including necessary earth work of size 300mm x 900mm, depth 2.50mtr and testing complete all as specified and directed. NOTE FOR SL NO 12 : (i) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per IS colour code (ii) If the desired earth resistance is not achived during testing as per IS the complete earthing shall be carried out again by the contractor at his own cost and no extra claim shall be admissable. (iii) Length of earth strip/electrode, if more than 7.5mtr shall be measured and paid seperately under respective items of schedule (iv) Resistance value should be less than 5 ohm. (v) Necessary excavation work in any type of soil/strata, returning filling and removal of soil is included in the aquoted rates. (iv) Site inspection for lightining conductor work is mandotry for the Contractor before quoting the tender. No explanation/doubts will be entertained later. (vii) Any damage done to govt property during the execution of work will be make good by the contractor at his own cost. (viii) The work of lightining conductor is to be done in Roofs of the bldgs in Insp org area.

Material and labour for earthing with copper earth plate electrode 600mm x 600mm x 3mm thick, burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to copper strip 20mm x 3mm thick, by means of copper brazzing made out of copper steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to control board or transformer neutral earth or as directed including earthing pit of size 450mm x 450mm x 300mm (outer size) wall thickness 100mm made in PCC (1:3:6) type C-1(20mm graded stone aggregate) and pre-cast reinforced cover slab of size 450mm x 450mm x 80mm thick made with MS XPM Jalli, RCC (1:1.5:3) (20mm graded stone aggregate), with one handle made out of 8 mm dia round bar, 20mm dia GI pipe 'light grade' for watering funnels, wire mesh and provided charcoal or coal of alternative layers of 15 cm including necessary earth work of size 300mm x 900mm, depth 2.50mtr and testing complete all as specified and directed. NOTE : (i) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed. (ii) If the desired earth registance is not achived during testing as per IS the complete earthing shall be carried out by the contractor at his own cost and no extra claim shall be admissable. (iii) Length of earth strip/electrode, if more than 7.5mtr shall be measured and paid seperately under respective items of schedule (iv) Resistance value should be less than 5 ohm. (v) Copper plate shall be 99.99% copper.

Material and Labour for PCC (1:2:4) type B-1 using 20 mm graded stone aggregate as in coping, bed plate kerbs including weathering slightly rounded or chamfered angles and throating etc complete all as specified and directed.

Surface dressing not exceeding 15 cm deep including removing the materials to a distance not exc 50 mtr including cutting vegetation complete all as specified and directed. Note :- Item shall be executed twice in each installation and quantity is given for two operation. However unit rate to be quoted by the tendered for single operation only.

Supply and Fixing PCC M-10 grade (nominal mix) using 40mm graded stone aggregate for earthing pit of outer size 450mm x 450mm x 300mm, wall thickness 100mm and RCC covering M-15 grade (nominal mix) using 20mm grade stone aggregate , reinforced with 8mm dia bar both way @150mm c/c of size 450mm x 450mm x 80mm including GI funnel and necessary earth work including taking down old earth pit cover of conventional earthing complete all as specified and directed.

Material and Labour for fixing 7 mm thick chequrred plate with Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers etc including welding, bending cold or hot, drilling holes for bolts, in any shape or size including painting with two coats of synthetic enamel paint over a coat of red oxide primer including preparation complete all as specified and directed.

Material and Labour for Hardcore of broken stone of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

Material and Labour for provision of new platform for Water storage tank with 7 mm thick MS chequrred plate cutting to size, fixing & welding to MS channel/support & structure with proper supports and with two coats of synthetic enamel paint over a coat of red oxide primer including preparation complete all as specified and directed. Note:- MS channel shall be measured and paid separetely.

Supply and Fixing in repair Rotational moulded polyethylene water storage tank capacity 2000 ltr (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed.

Supply and Fixing for 15 mm dia Gate valve iron wheel head screwed both ends ISI marked fixed to GI pipe incl taking down & dismantling of exisitng 15mm dia gate valve complete all as specified and directed

Supply and laying for 15 mm dia galvanised iron tubing medium grade with and including all fittings such as bends, elbows, tees, short pieces, union etc in trenches incl taking down & dismantling of exisitng 15mm dia GI pipe complete all as specified and as directed

Taking down old submain wiring and Material and Labour for sub main wiring but using two single core multistranded PVC insulated copper conductor FRLS Cable of size 2.5 sqmm 1100 volt grade drawn into and including PVC capping of suitable size including 2.5 sqmm. PVC multi standard copper conductor FRLS cable in green colour for continuous earthing including chiselling /cutting of wall, floor, making hole through wall & making good disturbed surfaces of wall/floor/ceiling to match with existing surface complete all as specified and directed. Note : Two single core cable, earth wire and PVC conduit shall be measured as one length.

All as per item No 23 above but of 4 Sqmm complete all as specified and directed. Make : Polycab /Finolex/ RR

All as per item No 23 above but of 6 Sqmm complete all as specified and directed. Make : Polycab /Finolex/ RR

All as per item No 23 above but of 10 Sqmm complete all as specified and directed. Make : Polycab /Finolex/ RR

Supply and laying or fixing or passing through pipe, wall, trenches etc in repair 1100 volts grade heavy duty cable with PVC insulated aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed two core, 4 sq. mm nominal cross section in service connections complete all as specified and directed.

All as per item No 24 above but of 06 Sqmm complete all as specified and directed. Make : Polycab /Finolex/ RR

Supply and Fixing sheet metal enclosures in repair double door distribution board factory made duly painted with 2 coat of synthetic enamel paint over a coat of primer including preparation of following capacity with 200 amps rated copper bus bar , suitable for fixing MCB /Isolators complete all as specified and directed for following:- Make:L & T/Legrand/Havells

12 way SPN, 240V

4 way SPN 240V

8 way SPN 240V

8 way TPN, 415V

12 way TPN, 415V

Supply and Fixing in repair MCCB 63 Amps, 4 pole, Breaking capacity 16 KA, 415 V adjustable type complete all as specified and directed. Make : L &T /Legrand/standard.

Supply and Fixing in repair MCCB 100 Amps, 4 pole, Breaking capacity 25 KA, 415 V adjustable type complete all as specified and directed. Make : L &T /Legrand/standard.

Supply and Fixing in repair MCCB 125 Amps, 4 pole, Breaking capacity 25 KA, 415 V adjustable type complete all as specified and directed. Make : L &T /Legrand/standard.

Supply and fixing in repair miniature circuit breaker (MCB) of following current carrying capacity, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed for following:- Make : L &T /Legrand/Havells

SP 6 to 32 Amps, 240V, 10 KA 'C' curve

SP 40 Amps, 240V, 10 KA 'C' curve

SPN 32 Amps, 240V, 10 KA 'C' curve

SPN 63 Amps, 240V, 10 KA 'C' curve

TPN 100 Amps, 240V, 10 KA 'C' curve

Decarbonizing of indoor LT Panel / meter box any type removing unserviceable MCCBs, MCBs, burnt bus bars, unserviceable indicator lamps, unserviceable Ammeter, unserviceable Volt meter, replacing burnt damaged bus bar of any size and fixing proper hanging front and rear openings, welding of hinges including welding of broken MS sheet using extra sheets replace burnt thimbles with new existing size thimbles, replacing with new MCCB & MCBs, powder coating painting, with suitable 'U' type gasket to make it dust and vermin proof, providing fancy locks including dismantling the existing connected cables and re-connecting the same cables complete all as specified and directed. Note : (i) MCCBs, indicator lamps, Ammeter, Volt meter, will be measured & paid separately as supply only. (ii) necessary MS sheet and welding including sealing the meter with sealing lead/PVC seal with MES Emblum embossing on it all are inclusive coated rate. (iii) Required size of neutral bus bars included in coated rate. (iv) Required size of copper cable for connecting MCBs and meters are included in quoted rate.

Supply and Fixing in repair meter panel box indoor type wall mounting of with locking arrangement including powder coating siemens grey shade for size 900mm (w) x 900mm (h) x 250mm (d), with the provision of MCB mounting channels suitable for mounting 07 Nos single phase meter complete all as specified and directed. Note :- Thickness of sheet for meter panel box should not be less than of 2mm.

Supply and Fixing in repair day to day maintenance switch socket combination 2 in 1, 3 pin, 5 Amp and 15 Amps Box type complete all as specified and directed.

Supply and Fixing in repair day to day maintenance switch socket combination 2 in 1, 3 pin, 5 Amps Box type complete all as specified and directed.

Supply and Fixing in repair Single pole and neutral sheet metal enclosure with a two pin and earth plug and socket complete with one double pole MCB complete all as specified and directed.

PURVA ELECTRICALS AND ENGINEERS (BID ID -3456343)

Adinath Technical Services (BID ID -3461688)