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| 1 | Demolition of brick work built in cement mortar. |
| 2 | M&L, brick work with sub class \"B\" bricks straight or curved on plan exc 6m mean radius built in CM (1:6) |
| 3 | Taking down cement plaster of any description on brick or stone walls/concrete surface etc. including racking out joints, hacking for key, scrubbing down with water etc. |
| 4 | M&L, 15mm thick rendering on fair faces of brick work/concrete surface in CM (1:6) surface finished even & smoothwithout using extra cement. |
| 5 | M&L for framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing completeFe 410-W(Gde E-250) quality-A |
| 6 | M&L Framed work such as grills,gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming tofe.290.Gde-E-165 |
| 7 | M&L, applying two coats of synthetic enamel paint over a coat of red oxide primer including preparation of newly steel surfaces of any description over 10cm width or girth not otherwise described complete . |
| 8 | M&Lincluding prepration of newly plastered wall surface and treating two coats of cement based paint over one coat of primer. |
| 9 | Complete removal of existing treatment over wall and treating two coats of cement based paint over one coat of primer. |
| 10 | S&F 2 strand barbed wire galvanised, 2.24mm dia barbed2.00mm dia barbed at 75mm spacing and straingand fixing to any type of standared rails staining bolts, including,securing or tying at crossings with and provision of galvanised mild steel wire, stables or steel pins,etc., as directed |
| 11 | Writing letters or figures (Block roman Italic or Indian) n exc. 30cm high |
| 12 | M & L for carrying out \"A\" check ofdiesel generating set of capacity 250 KVAincluding all connected items such as alternator, Radiator and control panels etc complete for smooth functioning of DG set complete all as per manufacturer\"s instructions and as directed. Note :-(i) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (ii)Servicing of DG set alongwith connected alternator and control panel including \"A\" check of the Engine shall be carried out at regular intervels as specified and as directed by the Engineer-in-Charge and the contractor shall carry out periodical inspections during the maintenenace period and he shall be responsible for the smooth functioning of the DG set all the time. (iii) Spare parts required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares shall be deemed to be inluded in the rate quoted for these items. (iv)The contractor shall also attend to the breakdown calls and depute necessary technician for repair/maintenance works as and when required without delay during the maint period. (Loc. PH Namkum & Power House) |
| 13 | Description all as per ser item No 12 above but of capacity 63kVA to 81.25 kVA installed at 9 location under GE Ranchi |
| 14 | Description all as per ser item No 12 above but of capacity 30 & 35 KVA at Rest camp Pump house & LAO office Doranda. |
| 15 | Description all as per ser item No 12 above but of capacity 15 kVA at Tetra Regt and 05 Nos 20 KVA at MAP Qtrs Pump house Khojatoli, Rest Camp, DID Line, LPH Area & Veer line PH |
| 16 | M&L for carrying out scheduled \"B\" check of the Diesel Generator Set 250 KVA at Power House namkum including connected alternator and carrying out routine servicing of the engine as per manufacturer\"s instructions including consumables complete for smooth functioning of the set all as specified and as directed.Note :-(i)Cost of all consumables required during the servicing / maintenance of the DG Set shall be deemed to be included in the rate quoted for these items.(ii)Spare parts, filter elements, engine oil, distilled water and radiator coolant liquid required for replacement during the maintenance period shall be measured and paid seperately at supply only rates and cost of labour for fixing these spares/filling of oils shall be deemed to be included in the rate quoted for this item.(iii)AMF Panel and control switches such as MCCB, Main switch, contactors, multi display meter and engine control unit shall be out of scope of this item of job and the rate quoted shall exlusive of servicing/ maintenance of the above said fittings. (Loc. PH Namkum & Power House) |
| 17 | Description all as per ser item No 16 above but of capacity 63kVA to 81.25 kVA installed at 9 location under GE Ranchi |
| 18 | Description all as per ser item No 16 above but of capacity 30 & 35 KVA at Rest camp Pump house & LAO office Doranda. |
| 19 | Description all as per ser item No 16 above but of capacity 15 kVA at Tetra Regt and 05 Nos 20 KVA at MAP Qtrs Pump house Khojatoli, Rest Camp, DID Line, LPH Area & Veer line PH |
| 20 | Supply and replace only Diesel filter element with \"O\" ring suitable for 250 KVA DG set as per existing make and model compete all as specified and as directed.Make : Bosch/ Fleetguard/ Kirloskar/ Baldwin |
| 21 | Description all as per ser item No 20 here-in-before but capacity 82.50/75/63 KVA DG set |
| 22 | Description all as per ser item No 20 here-in-beforebut capacity 30/35 KVA DG set |
| 23 | Description all as per ser item No 20 here-in-beforebut capacity 20/15 KVA DG set |
| 24 | Supply and replace only Spin- on filter element for lubricating oil with \"O\" ring suitable for 250 KVA DG set as per existing make and model compete all as specified and as directed. |
| 25 | Description all as per ser item No 24 here-in-beforebut capacity 82.50/75/63 KVA DG set |
| 26 | Description all as per ser item No 24 here-in-beforebut capacity 30/35 KVA DG set |
| 27 | Description all as per ser item No 24 here-in-beforebut capacity 20/15 KVA DG set |
| 28 | Supply and replace only air filter element suitable for 250 KVA DG set as per existing make and model compete all as specified and as directed.Make : Bosch/ Fleetguard/ Kirloskar/ Baldwin |
| 29 | Description all as per ser item No 28 here-in-beforebut capacity 82.5/75/63 KVA DG set |
| 30 | Description all as per ser item No 28 here-in-beforebut capacity 30/35 KVA DG set |
| 31 | Description all as per ser item No 28 here-in-beforebut capacity 20/15 KVA DG set |
| 32 | Supply and replace onlyRubber Hose pipe set for water circuit with clamps complete suitable for 250 KVA DG set as per existing make and model compete all as specified and as directed. |
| 33 | Description all as per ser item No 32 here-in-before but capacity 82.5/75/63KVA DG set |
| 34 | Description all as per ser item No 32 here-in-before but capacity 30/20/15KVA DG set |
| 35 | Supply and replace onlyEngine oil, multi grade premium Genuine oil 20W/ 40 as per manufacturer recommendations in DG sets complete all as specified and as directed. Make :- Indian oil/ Hindustan Petroleum/ Castrol/ BPCL |
| 36 | Supply and applying Petroleum Jelly (01 Kg plastic sealed container) complete all as specified and as directed. Make :- Indian oil/ Hindustan Petrolium/ Castrol/ BPCL |
| 37 | Supply and fill distilled water for topping up in lead acid batteries complete all as specified and as directed. |
| 38 | S & F forbattery terminal brass clamps including removal of extg unserviceable one compete all as specified and as directed by Engr-in charge. |
| 39 | M&L for dismantling the radiator taking to work shop for overhauling & cleaning, de-scaling with acid, removal of leakage including soldering and welding, brazing as required and renewal of gaskets, nuts, bolts, mounting pads, hoses, clips, etc and refixing its original position for following capacities of DG set complete all as specified and directed |
| 40 | 15.00 KVA DG set to 35.00 KVA DG set |
| 41 | 62.50 KVA DG set to 83.00 KVA DG set |
| 42 | 250.00 KVA DG set |
| 43 | M & L for Repair/ overhauling of self starting system of DG set including replacement of carbon brushes, bearings, bushes, rewinding of armature and field coil etc and varnishing of capacity 12 volts with necessary connectionsincluing testing and commissioning complete all as specified and as directed. |
| 44 | S&F forAVR (automatic voltage regulator)control unitassembly suitable for 15 KVA DG set to 82.5 KVA DG set including removal of extg unserviceable one compete all as specified and as directed by Engr-in charge. |
| 45 | S&F forAVR (automatic voltage regulator)control unitassembly suitable for 250 KVA DG set including removal of extg unserviceable one compete all as specified and as directed by Engr-in charge. |
| 46 | S & F forsolenoid switch assembly 24 volts suitable for 250 KVA DG setincluding removal of extg unserviceable one compete all as specified and as directed by Engr-in charge. |
| 47 | S & F forsolenoid switch assembly 12 volts suitable for 15 KVA DG set to 83 KVA DG set including removal of extg unserviceable one compete all as specified and as directed by Engr-in charge. |
| 48 | S & F for self starter assembly 12 volts complete suitable for 15 KVA DG set to 83 KVA DG set including removal of extg unserviceable one complete all as specified and as directed. Make:- Lucas/ TVS |
| 49 | S & F for self starter assembly 24 volts complete suitable for 250KVA DG set including removal of extg unserviceable one complete all as specified and as directed. |
| 50 | S & F forSMPS (system main power supply) type control unitassembly suitable for 12 volts battery charger forincluding removal of extg unserviceable one compete all as specified . |
| 51 | S & F forSMPS (system main power supply) type control unitassembly suitable for 24 volts battery charger forincluding removal of extg unserviceable one compete all as specified . |
| 52 | S & Ffor battery low maintenance lead acid of capacity 12 volts 180/200 AH with initial charging including removal of extg unserviceable one and hand over to store yard compete all as specified and as directed by Engr-in charge. Make:- Exide/ AMCO/ Amaron |
| 53 | S & Fbattery low maintenance lead acid of capacity 12 volts 150 AH with initial charging including removal of extg unserviceable one and hand over to store yard compete all as specified and as directed by Engr-in charge. Make:- Exide/ AMCO/ Amaron |
| 54 | Taking down MCCB and change over switch by disconnecting all connections very carefully of any size and capacity and complete all as specified and directed at site by Engr-in-charge. |
| 55 | Supply and fix in replacement MCCB TPN 415 volts 250 Amps 50 Hz with thermal adjustable and magnetic adjustable breaking capacity 36 KA with breaking capacity 36 KAcomplete all as specified and directed at site. |
| 56 | Supply and fix in replacement MCCB TPN 415 volts 160 Amps 50 Hz with thermal adjustable and magnetic adjustable breaking capacity 25 KA with breaking capacity 36 KAcomplete all as specified and directed at site. |
| 57 | S & F connecting and testingopen execution on load change over inexisting DG set Panel of the following capacity, suitable for 415 volts, 50 Hz, 63 Amps with extended terminals type, interlocked to prevent opening when the Switch is in ON Position, connecting and testing complete all as specified and directed.Make:-ABB/ Siemens/ Schneider/Legrand/ Havells. |
| 58 | S & F connecting and testingopen execution on load change over inexisting DG set Panel of the following capacity, suitable for 415 volts, 50 Hz, 125 Amps with extended terminals type, interlocked to prevent opening when the Switch is in ON Position, connecting and testing complete all as specified and directed.Make:-ABB/ Siemens/ Schneider/Legrand/ Havells. |
| 59 | S & F connecting and testingopen execution on load change over inexisting DG set Panel of the following capacity, suitable for 415 volts, 50 Hz, 200 Amps with extended terminals type, interlocked to prevent opening when the Switch is in ON Position, connecting and testing complete all as specified and directed.Make:-ABB/ Siemens/ Schneider/Legrand/ Havells. |
| 60 | M&L for cleaning of fuel tank of DG sets of any make and capacity including replacement of fuel level indicating tube and markings complete all as specified and directed. |
| 61 | Supply and fill genuine coolant in 5 ltrs plastic sealed container for topping up in Radiator of DG set located at different locations as directed by Engr-in-Charge complete all as specified and as directed. |
| 62 | M & LEarthing Electrode 17.2 mm dia 3 Mtr long of low carbon steel electrode with copper bonding of thickness 250 micron , back fill earthing enhanciing compund AXIS ULTRA/AXIFILL type carbon based compund conductive concreete type which has a resistivity of less than 0.12 ohm Mtr as per clause 14.5 D of IEEE : 80 standard . Back -fill compund should be electronically conductive (Like in metals) and should not depend on moisture for conduction Back-fill compund should be environment friendly & should be solidify when mixed with water and set like concrete and should not leach/diffuse into the ground, Back -fill compund shall not be mixed with any soil while pouring in the bore hole.Test certificate as per IEC : 62561-7 for Back fill comound shall be submitee alogwith the material including SS clamp to be provide both side andPVC EARTH PIT 300 x 300mm with Plastik Lid complete all as specified . Note :(i) Earth electrode should by applicable standards IS : 3043, IEC 62561-2, IEC 60364-5 and made of high tensile steel rods copper bounded , High tensile strength , good electrical conduction & effective performance and suitable for all type of soil and provided minimum distance 3 Mtr (ii) Back fill compund should be compliance to the standards IEEE : 80, IS-3043, BS 7430, IEC 62561-7, ANSI/NSF 60 certification (iii) Positive low resistance electrical connection to the earth(iv) Does not contain hazardous chemicals (v) Electronically conductive (like to metals ) and is not dependent on moistuer (vi) Provide the desired value of earth resistance as per requiread specified values (vii) Provide the exothermic welding joints to entire grid system joints of earthing electrod.(viii) Test certificate to be provided of each electrod.Make : OBOY BETTERMAN/ AXIS/ UTR |
| 63 | Material and labour plain cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate for foundations / filling around the LT Panels and feeder piller etc complete all as specified and as directed. |
| 64 | Servicingto LT panels/Feeder pillar boxescomprising MCCBs/change over switches metering eqpt etc. as incomming/outgoing controls including cleaning, greasing the hinges, locking arrangement, checkingthe seviceability ofindividual items,identification of the defective parts replacing the wornout fastners, insulators, rubber door beadings, gakets etc all as directed Note:-(1) Unserviceable parts replaced if any shall be measured & paid seperately under respective items. |
| 65 | Removing the existing hinges by cutting and supply and fixing of new hinges all as per existing size |
| 66 | Painting of LT panel board/feeder pillar boxes with two coats of synthetic enamel spray paints over a coat of red oxide primer matching existing colour after scrapping the old paint by means of emery paper and cleaning with thinner including necessary markings/sign writing etc complete all as specified and directed. |
| 67 | Rewiring the LT cubical type panel by means of PVC insulated multi strandard copper wire of existing size including replacing unserviceable connectors, fastners etc,after taking out the old unserviceable wiring all as directed. |
| 68 | Material and labour for replacement of LED type indicator lamp (RYB)(Set of three) complete all as specified. |
| 69 | Suupply and Fixing in replacement of Digital Amp meter 0-250 Amp including making electrical connection by suitable size of multistranded copper conductor with thimbles complete all as specified. |
| 70 | Suupply and Fixing in replacement of Digital Volt Meter 0-500 V including making electric connection by suitable size of multistranded copper conductor with thimbles complete all as specified. |
| 71 | Supply and fixIndoor resin cast ring type low tension current transformer 50/5A to 75/5A15VA burden accuracy class 1 confirming to IS 2705 /1992 |
| 72 | Supply and fix Indoor resin cast ring type low tension current transformer 100/5A to 300/5A15VA burden accuracy class 1 confirming to IS 2705 /1992 |
| 73 | Material and labour for Copper earth strip of size 32 x 6mm in ground not exceeding 40cmdeep /fixing towall / structure including taking down old strip complete all as specified and as directed. |
| 74 | Material and labour for GI earth strip of size 25 x 4 mm in ground not exceeding 40cm deep /fixing to wall / structure including taking down old strip complete all as specified and as directed. |
| 75 | Supply and installation, testingand commissioning in replacement of of Bus bar box out door typetotally enclosed dust and vermin proof floor mounting with hinged doors and locking arrangement front and back fabricated out of 3.15 mm thick CRCA sheet CPRIapproved test type make including powder coated paint finish including all accessories, provision independent removevable MS plates for fixing cable glands for all incomming and out going cables and complete control wiring with 2.5 sqmm copper conductor incuding necessary PCC foundation complete all specified.Note:- (1)Rates deemed to be included for suitable lugs and glands for incoming and out going of LT UG cable.(2) The Contractor Shall submit the drawing with sample of accessories for approval before executing the work. (a)Main incoming 125 Amps MCCB04 pole, 25 KA - 01 nos (ICS=100%ICU)(b) Electrolytic grade aluminium bus bar 200A rating for 3 phase and neutral including PVC colour coded sleves. - 01 Set(c) LED lamps for R,Y,B Phase indicationwith control fuse/MCB- 01Set(d )Voltmeter digital (0-500V) type 96 sqmm with CTs 125/5-03 Nos with selector switch - 01 set(e) Amps meter digital (0-250A) 96 sqmm with CT\"s150/5 -03 Nos and selector switch - 01 Set(f) Insulators, wiring, bus bar sleeves, lugs, gland,sheet metal enclosure etc including complete wiring with suitable size of copper wire |
| 76 | Description all as per ser item No 73 here-in-before but Main incoming MCCB 250 Amps and bus bar of rating 400A. |
| 77 | Supply and installation, testingand commissioning in replacement of LT panel factory made suitable for 415 Volts ,3 Phase 4 Wire, 50 Hz AC supply system confirming to IS:8623/93,outdoor type, double door floor mountingweather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15 mm thick having Aluminium bus bar of rating 400 Amp three phase and one neutral fixed on insulator and bus bar insulated by coloured heat shrinkable sleeves. sheet front and back door openable type and conforming to IP-54 and fixed on angle iron frame/channel of suitable size complete, aluminium bus bar chamber, cable alley, cable glands brass / chromium plated of diffrent sizes suitable for incoming and out going cables,panel painted with powder coated paint (LT panel shall be of CPRI approved manufacturer) incuding necessary PCC (1:3:6) foundation extending 600mm above GL and complete all specified and directed by Engineer-in-Charge withthe following accessories:- Note :(i)Rates deemed to be included for suitable lugs and glands for incoming and out going of LT UG cable. (ii) The Contractor Shall submit the drawing with sample of accessories for approval before executing the work. (iii)The rates shall be deemed to includes the cost of keeping the surface clean and levelled all arround the Feeder piller box and provide INCOMING(a) Aluminiumbusbar of capacity 400 Amps with eppoxy insulated supports 3 phase and neutral -1 set (b) MCCB 250 Amps 4 pole 36 KA with adjustable type - 01 No (ICS =100%ICU)(c ) Voltmeter digital (0-500V) type 96 sqmm with in built selector switch - 01 set (d) Amps meter digital (0-250A) 96 sqmm with CTs 150/5-03Nos and in built selector switch - 01 Set(e) Indicating lamp set LED type - 01 setOUTGOING (a) MCCB 63 Amps, 4 pole 16 KA Adjustable type (ICS=100%ICU) - 2 Nos (b)MCCB 100 Ampx, 4 pole 16 KA Adjustable type (ICS=100%ICU) - 02 Nos(c) MCB 40Amp, 4 Pole 16KA -01 Nos |
| 78 | Supply and installation, testingand commissioning in replacement of LT panel factory made suitable for 415 Volts ,3 Phase 4 Wire, 50 Hz AC supply system confirming to IS:8623/93,outdoor type, double door floor mountingweather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15 mm thick having Aluminium bus bar of rating 400 Amp three phase and one neutral fixed on insulator and bus bar insulated by coloured heat shrinkable sleeves. sheet front and back door openable type and conforming to IP-54 and fixed on angle iron frame/channel of suitable size complete, aluminium bus bar chamber, cable alley, cable glands brass / chromium plated of diffrent sizes suitable for incoming and out going cables,panel painted with powder coated paint (LT panel shall be of CPRI approved manufacturer) incuding necessary PCC (1:3:6) foundation extending 600mm above GL and complete all specified and directed by Engineer-in-Charge withthe following accessories:- Note :(i)Rates deemed to be included for suitable lugs and glands for incoming and out going of LT UG cable. (ii) The Contractor Shall submit the drawing with sample of accessories for approval before executing the work. (iii)The rates shall be deemed to includes the cost of keeping the surface clean and levelled all arround the Feeder piller box and provide INCOMING(a) Aluminiumbusbar of capacity 600 Amps with eppoxy insulated supports 3 phase and neutral -1 set (b) MCCB 400 Amps 4 pole 36 KA with adjustable type - 01 No(ICS =100%ICU)(c ) Voltmeter digital (0-500V) type 96 sqmm with in built selector switch - 01 set (d) Amps meter digital (0-250A) 96 sqmm with CTs 400/5 -03 Nos and in built selector switch - 01 Set(e) Indicating lamp set LED type - 01 setOUTGOING (a) MCCB 250 Ampx, 4 pole 36 KA Adjustable type (ICS=100%ICU) - 2 Nos |
| 79 | Supply and installation, testingand commissioning in replacement of LT panel factory made suitable for 415 Volts ,3 Phase 4 Wire, 50 Hz AC supply system confirming to IS:8623/93,outdoor type, double door floor mountingweather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15 mm thick having Aluminium bus bar of rating 400 Amp three phase and one neutral fixed on insulator and bus bar insulated by coloured heat shrinkable sleeves. sheet front and back door openable type and conforming to IP-54 and fixed on angle iron frame/channel of suitable size complete, aluminium bus bar chamber, cable alley, cable glands brass / chromium plated of diffrent sizes suitable for incoming and out going cables,panel painted with powder coated paint (LT panel shall be of CPRI approved manufacturer) incuding necessary PCC (1:3:6) foundation extending 600mm above GL and complete all specified and directed by Engineer-in-Charge withthe following accessories:- Note :(i)Rates deemed to be included for suitable lugs and glands for incoming and out going of LT UG cable. (ii) The Contractor Shall submit the drawing with sample of accessories for approval before executing the work. (iii)The rates shall be deemed to includes the cost of keeping the surface clean and levelled all arround the Feeder piller box and provide INCOMING(a) Aluminiumbusbar of capacity 900 Amps with eppoxy insulated supports 3 phase and neutral -1 set (b) MCCB 630 Amps 4 pole 36KA with adjustable type - 01 No (c ) Voltmeter digital (0-500V) type 96 sqmm with in built selector switch - 01 set (d)Amps meter digital (0-250A) 96 sqmm with CTs 630/5-03 Nos and in built selector switch - 01 Set(e) Indicating lamp set LED type - 01 setOUTGOING (a) MCCB 250 Amps, 4 pole 36 KA Adjustable type (ICS=100%ICU) - 2 Nos (b) MCCB 200 Amps, 4 pole 36 KA Adjustable type (ICS=100%ICU) - 02 Nos(c) MCCB 100 Amp, 4 pole, 25 KA (ICS=100%ICU) -01 Nos |
| 80 | Supply and spreading stone aggregate of size not exceeding 40 mm spread and leveled in layers not exceeding 15 cm to a true surface of broken stones for LT panel and including cleaning away all grass, vegetation, saplings, shrubs, undergrowth, area complete all as specified and directed. |
| 81 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, fixed type, 63 Amps with breaking capacity 16 KA |
| 82 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, fixed type, 100 Amps with breaking capacity 16 KA |
| 83 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, fixed type, 125 Amps with breaking capacity 25 KA |
| 84 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, Adjustable type, 160 Amps with breaking capacity 25 KA |
| 85 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, Adjustable type, 200 Amps with breaking capacity 36 KA |
| 86 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, Adjustable type, 250 Amps with breaking capacity 36 KA |
| 87 | Supply and Fixing in replacement MCCB 4 Pole, 415 V, AMake :Havells, Indoasian, C&S, HPL |
| 88 | Supply & fix in replacement for earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground (earth pit not less than 2.25 mtr below normal ground level) with top edge plate not less than 1.5 metre below normal ground level connected to galvanized earth strip of size 25 x 4 mmas earthing lead by means of bolts,nuts,chuck nuts and washers of galvanized iron earth lead with 15 cm thick alternate layers of charcoal dust & common salt including PCC pit in PCC 1:2:4 type B-1,RCC covermade out of cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle andangle iron 40x40x5mm frame,GI medium grade watering pipe 20 mm bore and funnel with wire mesh light grade protection pipe 40 mm bore up to main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion complete all as specified and directed by Engr-in-Charge. Note: - (i)On testing after completion of earthing,if desired earth resistance is not obtained,the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.(ii) Item includes the cost of 7.5 m GI pipe for protection of earth strip.(iii) PCC pits extra cost of addtional length of watering pipe, bends elbows etc.shall be deemed to be included in the quioted rate. (iv) Item includes the cost of 7.5 mtr length copper earth strip 25x4 mm. |
