REPAIR MAINTENANCE OF EARTHING STRIP AND LIGHTENING CONDUCTOR, CONNECTED INFRASTRUCTURE AND MISC WORK AT 3BRD AF UNDER GE (AF) MC CHANDIGARH

Amount

Material and labour for Maintenance of earthing including measurement of Earth resistance and earth to neutral voltage of earthing any type (Chemical/Conventional & Grid earthing) pertaining to various locations with proper calibration earth tester and recording the reading in a register and take appropriate action such as pouring of salt mixed water in earth pit, replacement of blocked rusted funnel, tightening the earth strip through nut, bolts and washers, replacing old rusted worn out nuts and bolts with new complete all as specified and directed. Note (i) :- The Contractor or his rep will attend the office of AGE E/M (AF) MC Chandigarh in domestic area of 3 BRD AF Chd daily for collection of complaint slip at 0900 hrs. (ii) The Contractor must provide manpower (one skilled and one unskilled) to carry out earth pit resistance check of each section of entire 3BRD every month (approximate No. of earthing is 2500) and will enter the value of each earth pit and obtain signature of user rep as well as JE E/M

(iii) The earth resistance checking equipment including all necessary T&P items shall be provided by the contractor and the cost of the same to be included in the quoted rate. (iv) The cost of material such as funnel, common salt, charcoal dust, magnisium sulphate (MgSO4),graphite powder etc will be paid under relevant item of this schedule as supply only however the cost of nut bolts shall deemed to be included in the quoted rate.

M&L for cleaning all unwanted vegetation from surrounding of earth pit, within the radius of 1 Mtr apart, cleaning inner side and out side of earthing pit complete all as directed.

Supply and fix in replacement RCC Precast (Factory Manufactured) Earthing pit 450 mm x 450 mm x 450 mm with 50 mm thickness and Mortar design precast RCC Pit cover 50 mm thickness including taking down old pit with cover, earth work (i.e excavation, retuning filling & removal of surplus soil etc) complete all as specified. Make - OM Precast/Dagar Tiles/AC Construction/Balaji /Any other Precast RCC manufacturer

Supply only common salt for earthing pit complete all as specified and directed.

Supply only Charcoal dust for earthing pit complete all as specified and directed.

Supply only Magnisium Sulphate (MgSo4) for earthing pit complete all as specified and directed.

Supply only Graphite Powder for earthing pit complete all as specified and directed.

Supply and fix earthing indicator made out of Aluminium sheet of size 30 cm x 25 cm, 3mm thickness with support of flat iron frame of size 25 x 4 mm including necessary Earth work, PCC work and including one coat of synthetic enamel paint with red oxide primer complete all as directed.

Supply, Installation ,Testing & Commissioning of Ring Earth Pit which includes the Installation of following (a) Digging /Auguring /Boring of Five Single Earth Pits of minimum 125 mm. Dia to the depth of approx. 2.8 metre. (b) Insertion of 17.2 mm x 3000mm Earth Electrode of low carbon steel with molecularly bonding of electrolytic grade copper coating (purity 99.9%) having min. 250 microns thickness shall comply with Specification IEE 80- 2013 & IS 3043-2018 and penetrating it at least 0.2 meter by pushing gently with sledge hammer where the natural soil is assumed for all five pits. (c) Filling of Earth pit with Earth Enhancement Compound (ITPC-EECP15) in slurry form and backfilling. (d)Job of Exothermic Welding Material for bonding the earth system shall be as per RDSO specs, which includes graphite moulds, clamps weld metal powders. (e) Carrying out exothermic weld connection job on the single earth electrode to a copper tape of 150 x 25 x 6 mm. (f) Carrying out exothermic weld connection job on the copper tape of 150 x 25 x 6 mm of on master Earth Electrode for connecting two 35 Sqmm cables for redundancy. (g) MEEB of size 300 x 25 x 6 mm is to be fixed inside the equipment room with two insulation studs. (h) RCC Precast (Factory Manufactured) Earthing pit 450 mm x 450 mm x 450 mm with 50 mm thickness and Mortar design precast RCC Pit cover 50 mm thickness including taking down old pit cover ,earth work complete all as specified.

(j) Except the master earth pit all the remaining earth pits are to be buried in the ground. (k)Digging of trench to min depth of 0.5 m and laying 20 x 3 mm bare copper tape connecting all the five Earth Pits. (l) Routing and laying 20 x 3mm copper tape connecting all the five Earth Pits. (m) Carrying out exothermic weld connections job on all the five Earth Electrodes to Copper tape of size 20 x 3 mm for interconnection of earth pits. (n) It shall be ensured that the distance between any two earth electrodes shall be minimum 3 m and max. Upto twice the length of the Earth Electrode to avoid mutual resistance effects. Make: Kratonite/ITPC-chem/Ashlok/Sofamel/Inpocon/Maltep

Exacavation and refilling of Existing Earthing pit complete with any size/any metal plate electrode burried 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 below normal ground level, earth pit surrounded by 15 cm thick and packed layers of charcoal dust /graphite powder and common salt /magnesium sulphate including Earth lead any size as earth lead fixed by means of nuts, bolts, check nuts and washers etc and other end connected to the test point including 15 mm dia light grade GI protection pipe upto 7.5 metre and watering pipe 20 mm dia light grade with funnel and wire mess complete all as directed and specified. Note : Charcoal dust ,comman salt ,magnasium sulphate ,graphite powder will be paid extra under respective items .

M & L for painting of Existing earth pit chamber of size 450 mm x 450 mm outer surface area with earth pit cover with two coats of Cement base paint yellow /red including prepartion of existing surface as per directed by engineer in charge and all as specified .

Material and labour for Earthing complete with GI earth plate electrode 600 x 600 x 6 mm thick burried 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 below normal ground level, earth pit surrounded by 15 cm thick and packed layers of charcoal dust (100 kg) and common salt (150 kg) ,vegetable soil (300 kg), including GI wire 4 mm dia as earth lead fixed by means of nuts, bolts, check nuts and washers etc and other end connected to the test point including 15 mm dia light grade GI protection pipe upto 7.5 metre and watering pipe 20 mm dia light grade with funnel and wire mess including necessary earth work i.e Exacavation and removing upto 500 mtr distance , RCC Precast (factory manufactured) RCC earth pit chamber with precast RCC pit cover (Mortar design) 80 mm thick (yellow painted) with steel reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape etc including Mild steel Earth marker with earthing result ,date all as per plate no.3 of SSR 2009 Page No 497 and AIR HQ Policy No Air HQ/37529/9/1/ERA/W(P&C) dated 21 Nov 16 including dismantling old earthing, complete all as directed and specified. Note : The earth value/result must be less than 5 ohms.

Material and labour for Earthing complete with GI earth plate electrode 600 x 600 x 6 mm thick burried 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 below normal ground level, earth pit surrounded by 15 cm thick and packed layers of charcoal dust (100 kg) and common salt (150 kg) ,vegetable soil (300 kg) including GI strip 25 x 4 as earth lead fixed by means of nuts, bolts, check nuts and washers etc and other end connected to the test point including 40 mm dia light grade GI protection pipe upto 7.5 mtr and watering pipe 20 mm dia medium grade with funnel and wire mesh including necessary earth work i.e Exacavation and removing upto 500 mtr distance, Precast (factory manufactured) RCC earth pit chamber in PCC 1:2:4 using 20 mm graded stone aggregate with precast RCC with Precast RCC pit cover (Mortar design) 80 mm thick (yellow painted) with steel reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape etc including Mild steel Earth marker with earthing result ,date all as per plate no.3 of SSR 2009 Page No 497 and AIR HQ Policy No Air HQ/37529/9/1/ERA/W(P&C) dated 21 Nov 16 including dismantling old earthing, complete all as directed and specified. Note : The earth value/result must be less than 5 ohms.

Material and labour for Earthing complete with GI earth plate electrode 600 x 600 x 6 mm thick burried 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 below normal ground level, earth pit surrounded by 15 cm thick and packed layers of charcoal dust (100 kg) and common salt (150 kg),vegetable soil (300 kg) including GI strip 32 x 6 as earth lead fixed by means of nuts, bolts, check nuts and washers etc and other end connected to the test point including 40 mm dia light grade GI protection pipe upto 7.5 mtr and watering pipe 20 mm dia light grade with funnel and wire mesh including necessary earth work i.e exacavation and removing upto 500 mtr distance , Precast (factory manufactured) RCC earth pit chamber in PCC 1:2:4 using 20 mm graded stone aggregate with precast RCC with Precast RCC pit cover (Mortar design) 80 mm thick (yellow painted) with steel reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape etc including Mild steel Earth marker with earthing result ,date all as per plate no.3 of SSR 2009 Page No 497 and AIR HQ Policy No Air HQ/37529/9/1/ERA/W(P&C) dated 21 Nov 16 including dismantling old earthing, complete all as directed and specified. Note : The earth value/result must be less than 5 ohms.

Material and labour for Earthing complete with 99.9 % pure copper earth plate electrode 600 x 600 x 5 mm thick burried 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 below normal ground level, earth pit surrounded by 15 cm thick and packed layers of charcoal dust (150 kg) and common salt (400 kg),vegetable soil (400 kg), including Copper strip 20 x 3 as earth lead fixed by means of brazing etc and other end connected to the test point including 40 mm dia light grade GI protection pipe upto 7.5 mtr and watering pipe 20 mm dia light grade with funnel and wire mess including necessary earth work i.e Exacavation and removing upto 500 mtr distance, Precast (factory manufactured) RCC earth pit chamber in PCC 1:2:4 using 20 mm graded stone aggregate with precast RCC with Precast RCC pit cover (Mortar design) 80 mm thick (yellow painted) with steel reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape etc including Mild steel Earth marker with earthing result ,date all as per plate no.3 of SSR 2009 Page No 497 and AIR HQ Policy No Air HQ/37529/9/1/ERA/W(P&C) dated 21 Nov 16 including dismantling old earthing, complete all as directed and specified. Note : The earth value/result must be less than 5 ohms.

Supply and fix in replacement of Air termination, single pointed aluminium rod 12 mm dia and 300 mm long as per site requirement with saddle complete all as directed .

Supply and fixing of copper strip size 20 x 3.15 mm as earth continuity conductor or main earthing lead fixed to wall on insulator or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required complete all as specified and directed. Note :- Porcelian/suitable insulators with nut, bolts, screws for fixing strip at the span of one meter and for fixing the strip on high rise bldgs not more than 20 Mtrs to be included in the quoted rate.copper earth strip will be connected by brazing only to another any portion of copper strip .

Supply and fixing of copper strip size 32x6 mm as earth continuity conductor or main earthing lead fixed to wall on insulator or recess or chases or burried in ground or drawn in conduit/pipe or fixed toequipments or any other indicated situation for loop earthing etc as required complete all as specified and directed. Note :- Porcelian/suitable insulators with nut, bolts, screws for fixing strip at the span of one metre and for fixing the strip on high rise bldgs not more than 20 Metres to be included in the quoted rate, copper earth strip will be connected by brazing only to another any portion of copper strip .

S&F in replacement of Test point terminal Solid block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including 03 Nos 8 mm dia 25 mm long hexagonal bronze head screw complete all as directed.

S&F in replacement of Aluminium strip of size 25 x 3 mm as earth continuity conductor or main earthing lead to wall on insulator or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required complete all as directed. Note :- Porcelain/suitable insulators with nut, bolts, screws for fixing strip at the span of one metre and for fixing the strip on high rise bldgs not more than 20 Metres to be included in the quoted rate.Aluminium strip should be connected with another portion of strip at the time of fixing by aluminium riveting only.

S&F in replacement of DMC insulators for earth strip of size 25 mm x 3 mm with 02 Nos nut bolts for fixing of copper/aluminium/GI strip, one Nos screws for fixing insulators on wall or roof etc complete all as specified and directed.Note- Earthing strip cross sectional area should not be reduced anywhere at the time of fixing.

Taking down carefully aluminum/copper point wiring (light ,fan, socket any type, power, bell etc. complete including fixtures & fittings (such as ceiling rose, socket, Pendent, regulator, light fitting etc) and removing the material from site and making good the disturbed surfaces of walls ceiling etc complete all as directed.

M & L for Concealed Point wiring with 1.5 Sqmm (nominal area) single core PVC insulated unsheathed (FRLS) cable, multi-stranded, copper conductor, in universal colour code with & including suitable size of rigid non-metallic PVC conduit (not less then 20mm dia med gd)and its all accessories complete concealed in wall / roof incl cutting & chases and modular flush metal boxes 0.8 mm thick suitable for modular fittings including modular outer cover plate make Legrand (Arteor)/ Schneider (Zencelo) /Anchor (panasonic Thea) /Goldmedal (Nixon )with inner frame suitable for cover plate as per site requirement for mounting modular switches, sockets, etc including earth wire of PVC insulated (FRLS) copper conductor multistranded of 1.5 Sqmm size in green colour for One light point/exhaust/ceiling fan/bell controlled by one way switch 6 amp complete including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface ) all as specified in current SSR Part-I & II all as directed, as described below:-

All as per Item No 23 here-in-before but for One 3 pin 6 Amps socket point controlled by one switch on same board.

All as per item No 23 here-in-before but for One 3 pin 6 Amps socket point controlled by one Modular switch on independent board.

All as per item No.23 here-in-before but for 3 pin / 5 pin 16 Amps sockets outlet with 2.5 Sqmm PVC insulated & unsheathed (FRLS) copper conductor cable independent and 2.5 Sqmm PVC insulated & unsheathed (FRLS) copper conductor earth cable complete all as specified and as directed.

Supply and Fixing Modular switch 16/20 Amp single pole one way,2 Module with indicator and no top gap between rocker plate and fully shrouded double rocker mechanisam type all the importent parameters like rating etc should be laser printed on every switch along with catoulage number all as specified. Make: Legrand (Arteor) / Schneider (Zencelo) / Anchor(Panasonic Thea)/Goldmedal (Nixon )

Supply and Fixing Modular socket shutter type, 2-in-1,3 and 5 pins 6 /16 Amps, combined 2 Module and no top gap between rocker plate and fully shrouded double rocker mechanism type all the important parameters like rating etc should be laser printed on every switch along with catalogue number complete all as specified. Make: Legrand (Arteor) / Schneider (Zencelo) / Anchor (Panasonic Thea)/Goldmedal (Nixon )

Supply and Fixing Ceiling rose surface bakelite,square in shape , 100mm, three terminals complete all as specified and directed.

Supply and Fixing in replacement Modular switch 6 Amps single pole one-way, 1 Module and no top gap between rocker plate and fully shrouded double rocker mechanism type all the important parameters like rating etc should be laser printed on every switch along with catalogue number complete all as specified and directed. Make: Legrand (Arteor) / Schneider (Zencelo) / Anchor(Panasonic Thea)/Goldmedal (Nixon )

Supply and Fixing Modular socket shutter type, 2-in-1, 3 pins 6 Amps ,ISI marked, combined 2 Module and no top gap between rocker plate and fully shrouded double rocker mechanisam type all the importent parameters like rating etc should be laser printed on every switch along with catoulage number complete all as specified and directed. Make: Legrand (Arteor) / Schneider (Zencelo) / Anchor(Panasonic Thea)/Goldmedal (Nixon )

Supply & Fixing Modular fan Regulator electronic step type 100 watt ,ISI marked, 2 Module complete all as specified. Make: Legrand (Arteor) / Schneider (Zencelo) / Anchor(Panasonic Thea)/Goldmedal (Nixon )

Supply and fixing picture lights light type LED, 200- 240 Volts, Muziris Picture Light - 12W, 19.6L x 7.1W x 3.7H Centimeters, lighting method Downward bulb base E27, warm/cool/natural as per site requirement , wall mountwith all accessories complete connections all as specified aand nd directed. Make :-Philips/Jaquar/Havells

Supply and fixing decorative ultra slim surface /Wall mounted T5/decorative LED batten light complete fitting 1x 5 watt LED suitable for mirror light with polycarbonate channel housing & integrated electronic driver,energy efficient, warm/cool/natural as per site requirement,140V-270 volts, including connecting up with twin core twisted flexible copper conductor cable of suitable size complete all as specified and directed.

Supply and fixing in replacement indoor decorative ultra slim surface /Wall mounted T5 LED batten tube light complete fitting 1x 20 watt LED Tube fitting with integrated electronic driver,energy efficient, 140V-270 volts, Warm/natural/cool as per site requirement type >100 Lm/Watt complete with all accessories internally pre-wired and including connecting up with three core twisted flexible copper conductor cable of suitable size complete all as specified and directed.

Supply and fixing in replacement of 02 feet10 Watt LED Batten with PVC housing with high quality PC diffuser warm/cool/natural as per site requirement, complete all as specified and directed by Engr-in- Charge.

S&F in repairs recess mounting LED 36W 2'x2' tile in CRCA housing with full opal diffuser suitable for Armstrong/Grid ceilings with revolutionary flicker controlled technology to reduce harmful invisible flicker present in LED lighting sources all as specified and directed.

Supply and fix architectural LED circular Torus light 25 Watt,4000 CCT,600 mm dia ,78 mm width ,circular in shape ,low glare light ,suspended from ceiling with mounting kit ,140 Lumens /watt ,extruded aluminium housing all as specified and directed .Make-Havells/Jaguar/Bajaj

Supply and fix architectural LED plus shape light 48 Watt,4000 CCT,1040 mm in length,1040 mm width,85 mm width ,plus in shape ,low glare light ,suspended from ceiling with mounting kit ,140 Lumens /watt ,extruded aluminium housing all as specified and directed .Make-Havells/Jaguar/Bajaj

Supply and fix architectural LED X shape light 48 Watt,4000 CCT,1040 mm in length,625 mm width,85 mm width ,X in shape ,low glare light ,suspended from ceiling with mounting kit ,140 Lumens /watt ,extruded aluminium housing all as specified and directed .Make-Havells/Jaguar/Bajaj

Supply and fix architectural LED Y shape light 36 Watt,4000 CCT,1033 mm in length,580 mm width,85 mm width ,Y in shape ,low glare light ,suspended from ceiling with mounting kit ,140 Lumens /watt ,extruded aluminium housing all as specified and directed .Make-Havells/Jaguar/Bajaj

Supply and fix in replacement Lamp holder, PVC / polycarbonate type with back plate suitable for batten fittings complete all as specified.

Supply and fixing in replacement SPN 40- 63 Amps,' C' series , breaking cap10KA, 240V complete all as specified.

Supply and fixing in replacement of MCB Single pole 6 to 32 Amp, 240V, 10KA, 'B' curve curve with indicator light complete all as specified & directed. Make:- Gold medal/Havells/Legrand

Supply and fixing in replacement of Concealed MCB DB Single pole and neutral 12 way sheet steel phospehtised powder painted with IP 43 protection 240 V neutral link, earth bar and Din rail double door including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface )complete all as specified and directed. Make: Goldmedal/Legrand/Havells

Supply and fixing in replacement of Concealed MCB DB Single pole and neutral 08 way sheet steel phospehtised powder painted with IP 43 protection 240 V neutral link, earth bar and Din rail double door including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface )complete all as specified and directed. Make: Goldmedal/Legand/Havells

Suply and fixing in replacement of concealed MCB distribution board, SPN 4 Way, Double door, IP 43 rated, concealed in wall sheet steel, phosphatised, powder painted with Copper bus-bar 100Amp, neutral link, earth bar and din rail , cable ties for cable management, 240 V including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface )complete all as specified. Make: Goldmedal/Legand/Havells

Material and labour for Concealed in wall Sub Main Wiring with two run single core 2.5Sqmm (nominal area) multi stranded copper conductor FRLS PVC insulated and unsheathed 1100volts grade colour code cables, drawn on surface in and including UPVC conduit of 25mm dia bore medium grade, including standard fittings such as Tees, junction, bends etc., with and including one run of continuous multi stranded copper conductor 2.5Sqmm (nominal area) FRLS PVC insulated and unsheathed 1100 volts grade colour code cable for earth continuity including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface ) including taking down old, complete all as specified and directed. Note:- Two run of 2.5Sqmm + One run of 2.5Sqmm for earth wire + one run of UPVC conduit 25 mm dia shall be measured as one RM.

Material and labour for Concealed in wall Sub Main Wiring with two run single core 4 Sqmm (nominal area) multi stranded copper conductor FRLS PVC insulated and unsheathed 1100 volts grade colour code cables, drawn on surface in and including UPVC conduit of 25mm dia bore medium grade, including standard fittings such as Tees, junction, bends etc., with and including one run of continuous multi stranded copper conductor 4Sqmm (nominal area) FRLS PVC insulated and unsheathed 1100 volts grade colour code cable for earth continuity including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface ) including taking down old, complete all as specified and directed. Note:- Two run of 4Sqmm + One run of 4Sqmm for earth wire + one run of UPVC conduit 25 mm dia shall be measured as one RM.

Material and labour for Concealed in wall Sub Main Wiring with two run single core 6.0 Sqmm (nominal area) multi stranded copper conductor FRLS PVC insulated and unsheathed 1100 volts grade colour code cables, drawn on surface in and including UPVC conduit of 25mm dia bore medium grade, including standard fittings such as Tees, junction, bends etc., with and including one run of continuous multi stranded copper conductor 6 Sqmm (nominal area) FRLS PVC insulated and unsheathed 1100 volts grade colour code cable for earth continuity including making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface ) including taking down old, complete all as specified and directed. Note:- Two run of 6Sqmm + One run of 6Sqmm for earth wire + one run of UPVC conduit 25 mm dia shall be measured as one RM.

Material and labour for Concealed in wall Sub Main Wiring with Four run single core 10Sqmm (nominal area) multi stranded copper conductor FRLS PVC insulated and unsheathed 1100 volts grade colour code cables, drawn on surface in and including UPVC conduit of 32 mm dia bore medium grade, including standard fittings such as Tees, junction, bends etc., with and including Two run of continuous multi stranded copper conductor 10Sqmm (nominal area) FRLS PVC insulated and unsheathed 1100volts grade colour code cable for earth continuityincluding making good(i.e plastering in cement mortar 1:6,one coat of putti and two coats of interior emulsion paint with matching existing surface ) including taking down old, complete all as specified and directed. Note:- Four run of 10 Sqmm + One run of 10 Sqmm for earth wire + one run of UPVC conduit 32 mm dia shall be measured as one RM.

Note:- Amount of credit of Rs. 42000.00 for retrieved materials is mentioned in Schedule of Credit of tender documents in pdf form which will be deducted offline while acceptance of tender.

M/s badrinath Traders (BID ID -3487722)

SANJEEV ENTERPRISES (BID ID -3488913)

M/s APEX ENTERPRISES (BID ID -3490767)

LA ENTERPRISES (BID ID -3489698)

Jai Maa Electrical Works (BID ID -3496915)

HARISH SALES CORPORATION (BID ID -3489922)

M/s A.S. ENGINEERS (BID ID -3489474)

MS SACHDEVA BUILDERS (BID ID -3496904)