REPAIR/MAINTENANCE OF EARTHING STRIP AND LIGHTENING CONDUCTOR, CONNECTED INFRASTRUCTURE AND MISC WORK AT 3BRD AF CHANDIGARH 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.

Note :- (iii) For item serial no 2 to 28 except 4 to 6, labour charges will be paid extra against each item ,if same manpower is used for these items, 20 % cost of each item quoted rate will be deducted at the time of preparation of Bill. (iv) 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. (v) The cost of material such as funnel, common salt, charcoal dust, magnisium sulphate (MgSO4) 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 Precast (Factory Manufactured) Earthing pit cover 450 mm x 450 mm x 50 mm thickness with Mortar design precast Pit cover , made with RCC (1:3:6), type C-1 chamber, pit cover of precast RCC (1:2:4), type B-1 reinforced XPM of weight not less than 4 Kg/Sqm and plaster work inner or outer etc including taking down old pit cover, exacavation complete all as specified. Make-OM Precast/Dagar Tiles/AC Construction/Any other Precast RCC manufacturer approved by any Command.

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 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 over and including one coat of synthetic enamel paint 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 metre 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) 300 x 300 x 300 mm (inside dimension) Precast (factory manufactured) RCC earth pit chamber in PCC 1:2:4 using 20 mm graded crushed stone aggregate in (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 per AIR HQ Policy No Air HQ/37529/9/1/ERA/W(P&C) dated 21 Nov 16

(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 strip connecting all the five Earth Pits. (l) Routing and laying 20 x 3mm copper strip connecting all the five Earth Pits. (m) Carrying out exothermic weld connections job on all the five Earth Electrodes to Copper strip 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

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 (300 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 metre 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 with 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 (300 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 metre and watering pipe 20 mm dia medium grade with funnel and wire mesh including necessary earth work i.e Exacavation and removing upto 500 metre 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 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 with 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 (300 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 metre and watering pipe 20 mm dia light grade with funnel and wire mesh including necessary earth work i.e exacavation and removing upto 500 metre 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 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 with 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 900 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 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 metre 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 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 with 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 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 metre and for fixing the strip on high rise bldgs not more than 20 Metre 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 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 : 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 Metre 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.

Supply and fixing in replacement of unserviceable LT Feeder Pillar Box out door type 1.1 KV made out of MS CRCA sheet of size 3.15 mm thick with CRCA sheet powder coated, having 4 Nos Aluminium bus bar of size 200 Amps for phase ( 40 mm x 5 mm ) and 100 Amps ( 20 mm x 5 mm ) for neutral fixed on LT 8 Nos insulators of size 0.60 M x 0.45 M X 0.45 M with 04 legs made out of MS angle 50 X 50 X 5 mm & 0.75 Metre in length with locking arrangements with SS aldrop each side, front and back opening , danger board,gland suitable for 150 sqmm cable 4 core -02 Nos and including FPB foundation with suitable PCC work and Excavation and incoming and out going connections and testing on completion, complete all as specified and directed.

Supply and fixing in replacement Analog Timer distribution Board 50 Amps rating ,double door,IP 54 Rated, programmable Analog time switch auto operation 415 V AC, 50 HZ, contactor of cap 50 Amp TP,AC 3 rating, contactor coil voltage 230 V rating and MCB TPN 50 Amps,C curve with locking facility and mounting arrangements/pcc foundation and excavation for erecting complete with complete wiring all as per site requirement for operating street/security lights, complete all as specified and directed. Make : Havells/Legrand/ABB/Indoasian

S&F 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.

Supply Erection, Testing and Commissioning in replacement of Automatic Power Factor Correction OEM built Capacitor Panel suitable for Indoor Application, 11 tank process for corrosion proof powder coating,Manufactured with highly precise modern Amada CNC machine, 150 kAVR rating, 440 volts, 03 phase AC,main incoming MCCB 320 Amps,35 KA.APFC Panel shall be designed and manufactured by OEM only,Advance C-MOS technology based micro processor relay for intelligent power factor control,Air core reactor for extra safety from inrush current (high currents), provision of top and bottom cable entry,Automatic temp. control through fans and louvers in panel,Double side earthing connection,all Components Make like MCCB, MPP Capacitors, Capacitor super heavy Duty Contactor, Reactors, APFC Relay, Wire, shall be of Same OEM including encapsulated Copper busbar, Pan Assembly shall be used for better heat dissipation and proper cooling, Outgoing MCB/MCCB must be directly mounted on the Pan Assembly to avoid any loose connection and short circuit, Capacitors shall be Super Heavy Duty type with high Overcurrent withstand capacity Capacitor Bank Size in 8 steps of (2x50 kVAr + 1x25 kVAr + 1x10 kVAr + 2x5 kVAr+ 1x3 kVAR+1x2 kVAR) for real time compensation which makes systems Reliable and Sustainable, Dimension shall be of 1175x800x540 (H*W*D in mm) complete all as specified and directed. MAKE : HAVELLS cat No.QHKTCB5150X0 or equivallent in SCHNEIDER/ LEGRAND

Material and labour for Heat Shrink Sleeve suitable for LT cable of 240 to 400 Sqmm Industrial Grade with shrink ratio 2:1 Operating Temperature (°C): -40 to 125 complete all as specified and directed.

Material and labour for Heat Shrink Sleeve suitable for LT cable of 120 to 185 Sqmm Industrial Grade with shrink ratio 2:1 Operating Temperature (°C): -40 to 125 complete all as specified and directed.

Material and labour for Heat Shrink Sleeve suitable for HT cable of 95 to240 Sqmm Industrial Grade with shrink ratio 2:1 Operating Temperature (°C): -40 to 125 complete all as specified and directed.

Material and labour for Heat Shrink Sleeve suitable for LT cable of 50 to 95 Sqmm Industrial Grade with shrink ratio 2:1 Operating Temperature (°C): -40 to 125 complete all as specified and directed.

Material and labour for Heat Shrink Sleeve suitable for LT cable of 10 Sqmm to 35 Sqmm Industrial Grade with shrink ratio 2:1 Operating Temperature (°C): -40 to 125 complete all as specified and directed.

Supply and fixing LED Strip rope light, 50 metre length not exceeding number of lamps 120 per metre with max wattage 6.5 / metre, IP 65 rating for outdoor use warm light inclusive light fitting and driver, 230V, to be flexible design and customizable as per requirement complete all as specified. Make :- Philips/Wipro/Havells.

Supply and fixing of online change over switch 630 Amps, four pole, 415 Volts, 50 Hz, Standard: IS: 13947 IEC 60947-3, including stainless steel enclosure and fixing with fastners/screws on wall including disconnecting of old Changeover switch with cables and reconnecting the cables in new changeover switch complete all as specified. Havells Cat No. IHCCFE0630 or equvilent in Legrand/ABB/Schnider.

Note:- Amount of credit of Rs. 172100.00 for retrieved materials is mentioned in Schedule of Credit of tender documents in pdf form which will be deducted offline while acceptance of tender.

R S Enterprises (BID ID -3227115)

Electromech Engineers (BID ID -3223969)

PARTAP ENGINEERING WORKS (BID ID -3221895)

Mohinder Pal and Sons (BID ID -3221982)

SANJEEV ENTERPRISES (BID ID -3219932)

HARISH SALES CORPORATION (BID ID -3229301)