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| 1 | Material and labour for fabrication and installation of33 KV bracing support to mount electrical equipments of Sub Stn and Grid Structure/Tower for stringing of 33 KV over head Bus /ACSR Conductor to form a bus bar inside Sub Station with Hot dip Galvanised Lattice type Steel Structure, main structural members and bracings system, supports, clamps & back plates etc. of any size, any design fabricated from structural steel sections including GI nuts, bolts, washers welding, bending, cold or hot drilling holes for bolts, in any shape or size as indicated or directed, complete all as specified and as directed.Note : Civil work for foundation for Tower/Bracing Support shallbe paid separately. |
| 2 | Supply, fixing, testing and commissioning Air Break Isolating rotating type switch of rating 400 Amps outdoor horizontal mounting type suitable for manual operation from ground level, tripple pole, double break consisting hot dip galvanised steel channel base having 3x2 Nos33 KV post top insulator per phase complete with copper contact element, MS flat, copper blade, bearing assembly etc. and suitable size of GI pipe as down rod lever between coupling bar and operation handle with locking arrangement at both \"ON\" and \"OFF\" position suitable for 33 KV system having earth link system comprising earth switch indicator and auxilary switch, complete all as specified and as directed. |
| 3 | Supply, fixing,testing and commissioning Air Break Isolating rotating type switch of rating 200 Amps outdoor horizontal mounting type suitable for manual operation from ground level, tripple pole, double breakconsisting hot dip galvanised steel channel base having 3x2 Nos33 KV post top insulator per phase complete with copper contact element, MS flat, copper blade, bearing assembly etc and suitable size of GI pipe as down rod lever between coupling bar and operation handle with locking arrangement at both \"ON\" and \"OFF\" position suitable for 33 KV system, complete all as specified and as directed. |
| 4 | Supply, installation, testing and commissioning Outdoor Type Porcelain Clad , Structure mounted Outdoor VCB (Vaccum Circuit Breaker) manual and motorised spring charged, 33 KV, 3-Phase, 50 C/S, Rated normal current minimum 400 Amp, Breaking Capacity - 25 KA for 3 Sec, Making Capacity- 62.5 KA, Insulation level-36 KV/70 KV/170 KV(P),Min Creepage distance-900 mm, DC Aux voltage-110 Volts, along with single ACSR terminal connector per phase totally enclosed metal clad, manual charged independent spring closed/ spring tripping, trip free operating mechanism with manual closing and tripping push button, mechanical indication viz Breaker closed/open, spring charged/discharged mehanical counter, electrical release coilbreaker operating auxiliary switch with minimum 6 NO+6 NC and spare contacts and motorised mechanism plus manual hand operated mechanism. Circuit breaker shall have an arc protection mechanism for all compartments. The switch gear panel shall be sheet metal enclosure of minimum 2 mm thickness and shall be constructed as dust, weather and vermin proof housing with protection of IP54 as defined in IEC 529. The Panel shall be electrically operated trip free with mechanical ON/OFF indicators and spring charged motor shunt tripping and closing coil including power pack input supply 230 V & 1100 V AC from PT and output of 24V DC. The DC supply shall be from the power pack. The input to the power pack is 110V from PT and 230 V from the main supply. The power pack shall be capable for minimum 3 tripping even input to the power pack is failed. The switch gear shall be conforming to IEC 62271-100 / 200 complete all as per technical specifications given in PS and including of following accessories as specified anddirected.(a) Normal System voltage 33 KV and highest voltage 36 KV.(b) Rated short circuit breaking current (rms) 25 KA and rated short circuit making current (peak) 63 KA.(c) Master trip and supervision relay.(d) Rated supply voltage for triple close coil 24 V DC(e) Minimum number of auxiliary contacts provided 13 |
| 5 | Srl Item No. 5.00 (Contd...)(f) Spring charging time < 15 Sec(g) Space heater(h) Indicating Lamp(j) Ilumination LED lampNOTE :-(i)Design / Drawingof the HT VCB showing all components along with the dimensions is to be obtained from the OEM, to get vetted from IIT/NIT/Govt. Engineering College and to be got approved from the Accepting Officer before placing final orderto the manufacturer and cost for the same is deemed to be included in the quoted rates.(ii)Necessary PCC foundation etc. shall be as per the recommendations of OEM and cost of the same is deemed to be included in the quoted rates.(iii) The cost of Primary / Secondary Injection tests, Calibration etc. during commissioning and in the complete defect liability period as and when required is deemed to be included in the quoted rates.(iv)Anything missed out in the technical specifications but technically required for efficient working of the system is deemed to be included in the quoted rates.(v)The quoted rate shall be deemed to be inclusive of the factory inspection to be carried out by authorised rep of Accepting Officer before dispatch and Pre-commissioning Inspection by SEI on ground. |
| 6 | Supply, fixing, connecting, testing & commissioning Current transformer (CT) 33 KV, outdoor type,Single Pole and oil cooled of ratio 400-200-100/5-5 Amps, class 1.0 / 5P10, burden 15 VA with accuracy class 1.0 for metering equipment ofVCB, overcurrent and earth fault protection and class 5 P 10 for protection, CTs chamber mounted on and including CT junction box bearing specification as per IS, complete all as specified and as directed. |
| 7 | Supply, fixing, connecting, testing & commissioning Potential transformer of ratio 33 KV/√3/110 V/√3/110V/√3, class of insulation- class A, accuracy class core I - 0.5, core II - 3, 50 Hz outdoor type, single phase PT oil immersed and self cooled type having Burden core I - 100 VA, core II -100 VA , suitable for metering equipment of VCB installed on and including MS channel/angle iron pedestal type bearing specification as per IS, complete all as specified and as directed. |
| 8 | Supply and fix lightning arresters suitable for 33000 Volts expulsion type complete with all fittings, transmission class, discharge capacity 10 Kilo Amps,with surge monitor and base type mounted on steel structure, complete all as specified and as directed. |
| 9 | Material and labourfor Aluminium Conductor Steel Reinforced (ACSR)conductor of size wolf or nearest suitable size as directed on steel pole/structurefor connecting 33 KV equipment / 33 KV distribution system withnecessary connection with PG clamp including flat pad, extension terminal and jumpers of suitable size complete on 33 KV over head bus bar, complete all as specified and directed. |
| 10 | Supply, Installation, testing & commissioning of Step down Power Transformer of capacity 5.0 MVA (5000 KVA) outdoor type 33/11 KV floor/platform mounting, 3 phase, 50 HZ,oil immersed with \"ONAN\" type cooling with external cooling tubes/radiators, Delta/star connected, vector group DYN-11 double copper wound with auto mannual type on load tap changer (OLTC) with automatic Voltage Regulator (AVR) in 16 Steps each of 1.25 % /17 positions on HV side to take care of voltage from +5% to -15% to give output on 11 KV secondary side. The transformer should have cable box on LV side, marshalling box having TTB, oil temprature gauge, winding temperature indicator, dehydrating breather with first fill of dehydrating agent, oil upto recommended level including oil conservator tank, explosion vent, rating and terminal marking plate, oil level gauge, oil drain and filter valve,providing independent earthings point and neutral fittings, lugs complete in all respect and all other standard accessoriesrequired as per latest IS specification, gauges, bearing specification as per IS-2026 and accessories complete including S&F and commissioning of indoor control panel for OLTC, all as per technical specifications given in PS and all as specified comprising with the followings:-(i) 01 No cable end box on LV side (ii) Marshalling box with TTB(iii) Oil conservator with filter type drain valve and oil level guage.(iv) Dehydrating breather with first filling of Dehydration agent.(v) Explosive vent 01 nos.(vi) Thermometer pocket 01 nos.(vii) Two Earthing terminal on tank body to facilitate fixing of 32x6 mm strips.(viii) Removable manual crank handle to operate OLTC 01 nos(ix) Oil filling cum filter valve with plug 01 nos.(x) Oil level indicator (flush tube) 01nos.(xi) Oil draining filter valve with plug 01nos.(xii) Conservator with oil filling hole 01nos. |
| 11 | (Srl Item No. 9.00 Contd...)(xiii) Air release valve/plug.(xiv) WTI having contacts for alarm and trip(xv) Shut of valve between conservator and bucholz relay.(xvi) Oil surge relay 01nos(xvii) Removable Inspection cover 01nos(xviii) Lifting lugs and jack lifting pad support 02 nos.(xix) Window for tap number 01nos(xx) OTI 6 dial type having contacts for alarm and trip(xxi) Hand hole of sufficient size to assess the interior of the tank.(xxii) Cover lifting eyes bolts 03nos(xxiii) Bucholz relay with trip and alarm contacts.(xxiv) Bidirectional CI roller 04nosNote:- (i) Transformer shall be fixed on PCC foundation as per OEM recommendation all as specified. (ii)Anything missed out in the technical specifications but technically required for efficient functioning of the system is deemed to be included in the quoted rates.(iii)The quoted rate shall be deemed to be inclusive of the factory inspection to be carried out by auth rep of Accepting Officer before dispatch and Pre-commissioning Inspection by SEI on ground.(iv) First Fill of transformer oil with specified BDV deemed to be included in quoted rates.(v) Design / Drawingof the Transformer showing the dimensions is to be obtained from the OEM and get vetted from IIT/NIT/Govt. Engineering College and to be got approved from the Accepting Officer before placing final orderto the manufacturer and cost for the same is deemed to be included in the quoted rates. |
| 12 | Supply, fixing and testingDisc type insulator white, brown or green porcelain vitreousball & socket type 3 in series with tension clamp for conductor of working pressure 33 KVfor 33 KV yard, complete all as specified and directed. |
| 13 | Supply, fixing and testing Post insulator porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nutsuitable for 33 KV distribution system including necessary connection, complete all as specified and directed. |
| 14 | Supply, Installation, testing and Commissioning of Indoor type control, relay & metering panel (made of minimum 2mm thick CRCA steel sheet and CPRI approved)comprising of the followings :-(i)144 Sqmm 90 Degree scale, AC Ammeter, CTR : 400/200/100 /5A - 01 No(ii) 144 Sqmm 90 Degree scale, AC Vmeter, PTR : 33 KV/110v - 01 No(iii) Power Quality Meter, Type : PM53xx, Class 0.5- 01 No(iv) Voltmeter selector switch, 3 position with Off - 01 No(v)Ammeter selector switch, 3 position with Off - 01 No(vi) Relay for protection and control: Type : Flush mounted, Drawout, Numerical and multifunctional (With 3 O/C , 1 E/F & 3 VT I/P) with self & remote monitoring features Communication port : RS232 for local pc and RS485 for remote operation Comm. Protocol : MODBUS Memory : Inbuilt memory capable of registering relay fault and disturbance (at least 25 fault records and 75 events records each with 1 mSec accuracy) with waveform during fault. RTC : in-built. Display : Alphanumeric LCD display with keypad for navigation and setting. Other features: 2 Setting groups, multshot reclosure, undervoltage & overvoltage, CB maintenance & Trip circuit supervision, at least 4 programmable LEDs-Set.(vii) Master Trip Relay, Type : VAJH23-01 No(vii) Auxillary Relay for Transformer Trip & Alarm Type : VAA 33-3 Nos (for 2 Outgoings only)(viii)AC control Supply supervision Relay, Type VAA 11 - 01 No(ix)DC Control Supply supervisionRelay, Type : VAM 11- 1 No (x)Semaphore indicator,Type : VAM 22- 1 No (xi) Semaphore indicator,Type : VAM 12- 1 No (xii) Indicating indicator,Type : VAM 12- 1 No |
| 15 | (Srl Item No. 12.00 Contd...)(xiii)Indicating lamp - 1 Lot(xiv) Test terminals block- 01 No(xv)Breaker control switch with LMD - 01 No(xvi) Window Annunciator - 01 No(xvii)Bell - 01 No(xviii) Hooter - 01 No(xix) Annunciator TEST - ACCEPT-RESET - 1 Set(xx) Miniature Circuit Breaker - 01 Lot(xxi) Copper Control cable of suitable size- 01 Lot(xxii) Mimic Diagram - 01 Lot(xxiii) Panel Illumination - 01 Set(xxiv) Space Heater & Thermostat - 01 Set(xxv) 15A plug & Socket - 01 Set(xxvi) Sheet steel enclosure - 01 No(xxvii) Panel Illumination - 01 Set(xxviii) Wiring Accessories - 01 Lot(xxix) Panel Accessories - 01 No(xxx) Interpoising Current Transformer - 3 Nos(xxxi) Control cable terminals etc - 01 Lot |
| 16 | Supply, installation, testing and commissioningVacum Circuit Breaker Panel Indoor type extensible typehaving 1(One) x Incoming VCBs, 01(One) x Outgoing VCBs and 1(One) x Bus coupler of capacity 11 KV, 630 Amps, 3 Phase, 3 wire, 50 Hz, having rupturing capacity 350 MVA at 11 KV, 20 KA breaking capacity, totally enclosed metal clad switch gear as per IEC 62271 with overload and earth fault protection, digital ammeter, digital voltmeter, single copper bus bar for each phase, floor mounting, metal clad, indoor horizontal draw out type, horizontal/vertical isolation type with electrical and mechanical interlock and automatic safety shutter gear including pad locking arrangement, isolation plugs, assembly of 3 vacuum interrupters, with epoxy support insulations and self aligning finger type isolation contacts, truck having integral racking with necessary interlocks (for insertion and withdrawal of VCB), cubical should have not less than IP-43 Class degree of protection, copper bus bar, pre-wired for controller and accessories using copper conductor, suitable for side extension in both directions and provision for cable entry / outgoing system complete,manual and automatic motor charged independent closing/tripping spring, trip free operating mechanism with closing and tripping push bottons and mechanical breakers, including in built battery back up system and all standard fittings for incoming,outgoing and busbar coupler with safety interlocking system between bus coupler and incoming VCBs to be provided for operational safety including PCC foundation completeand comprising of the following :- |
| 17 | (Srl Item No. 13.00 Contd...)(A) Each Incoming feeder should comprise ofHT Vacuum Circuit Breaker Switchgear, Indoor type, dust and vermin proof, motorized as well as manually charged fully interlocked, horizontal draw out type, floor mounted, normal / highest working voltage – 11/12 KV, normal current – 630 A, 3-Phase, 50 HZ AC supply, Breaking capacity - 20 KA, Making capacity - 52.5 KA (p), insulation level KV(rms) / KV(p) -28/75, closing voltage – 110 V DC complete bearing specification as per IS : 3427with all standards accessories and metering equipment and comprising the following :-(i) HT CT 400-200/5-5 (Dual Core), Cast resin, Class 5 P 10 for protection and Class 1.0 for metering, 15 VA burden, short time rating – 20 KA for 1 sec, having IS : 2705 marking, suitable for 12 KV – 03 Nos.(ii) HT PT (1x3 Phase), draw out type, resin cast, dry type, having rating 11 KV / 110 V Class-1, with VA burden 15 having IS : 3156 marking – 01 Set. (B) Each Outgoing Feeder should comprise of HT Vacuum Circuit Breaker Switchgear, Indoor type, dust and vermin proof, motorized as well as manually charged fully interlocked, horizontal draw out type, floor mounted, normal / highest working voltage – 11/12 KV, normal current – 630 A, 3-Phase, 50 HZ AC supply, Breaking capacity - 20 KA, Making capacity - 52.5 KA (p), insulation level KV(rms) / KV(p) -28/75, closing voltage – 110 V DC complete as per IS : 3427 with all standards accessories and metering equipment and comprising the following :-(i) HT CT 200-100/5-5 (Dual Core), Cast resin, Class 5 P 10 for protection and Class 1.0 for metering, 15 VA burden, short time rating – 20 KA for 1 sec, having IS : 2705 marking, suitable for 12 KV – 03 Nos. |
| 18 | (Srl Item No. 13.00 Contd...)(C) Each Busbar coupler should comprise of HT Vacuum Circuit Breaker Switchgear, Indoor type, dust and vermin proof, motorized as well as manually charged fully interlocked, horizontal draw out type, floor mounted, normal / highest working voltage – 11/12 KV, normal current – 630 A, 3-Phase, 50 HZ AC supply, Breaking capacity - 20 KA, Making capacity - 52.5 KA (p), insulation level KV(rms) / KV(p) -28/75, closing voltage – 110 V DC complete as per IS : 3427with all standards accessories and metering equipment and comprising the following :-(i) HT CT 400-200/5-5 (Dual Core), Cast resin, Class 5 P 10 for protection and Class 1.0 for metering, 15 VA burden, short time rating – 20 KA for 1 sec, having IS : 2705 marking, suitable for 12 KV – 03 Nos.Note: Bus coupler to be suitable for both cable connection as well as bus connection.All incoming, outgoing and bus coupler must comprise the following: -(i) Microprocessor based combined Over Current and Earth fault relays.(ii) Over and under voltage relays.(iii) Tripping relays(iv) Digital power factor meter.(v) Digital Voltmeter with selector switch 0-15 V.(vi) Digital Ammeter with selector switch.(vii)Digital frequency meter. |
| 19 | (Srl Item No. 13.00 Contd...)(viii) LED indicator lamps for RYB, phase healthy, Breaker ON / OFF, trip circuit healthy, spring charged.(ix) Breaker Control switch.(x) Push buttons for check Trip Circuit healthy and Emergency trip.(xi) Switch for closing / tripping of VCB.(xii) Alarm annunciator for DC supply fail / trip.(xiii) Power pack of suitable capacity with I/P voltage 220 V AC & O/P voltage 110 V DC.(xiv) Other standard accessories as specified by OEM.(xv) Space heater with necessary control wirimg and MCB/Thermostat.NOTE :-(i)Design / Drawingof the HT VCB Panel Board showing the dimensions is to be obtained from the OEM, to get vetted from IIT/NIT/Govt. Engineering Collegeand to get approved from the Accepting Officer before placing final orderto the manufacturer and cost for the same is deemed to be included in the quoted rates.(ii)Necessary PCC foundation etc. shall be as per the recommendations of OEM and cost of the same is deemed to be included in the quoted rates.(iii)The cost of Primary / Secondary Injection tests, Calibration etc. during commissioning and during the complete defect liability period as and when required is deemed to be included in the quoted rates.(iv)Anything missed out in the technical specifications but technically required for efficient working of the system is deemed to be included in the quoted rates.(v)The quoted rate shall be deemed to be inclusive of the factory inspection to be carried out by authorised rep of Accepting Officer before dispatch and Pre-commissioning Inspection by SEI on ground. |
| 20 | Supply, laying & testing of HT XLPE cable, insulated, screened PVC bedded, Galvanized steel strip or wire armoured, Earthed Grade , electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 3 core300 Sqmm as per IS 7098 (Part-2), ISI Marked laid in pipe/ ducts/trenches/under floor/under road, complete all as specified and as directed.NOTE : Earthwork, Sand Cushioning, Bricks, GI protection Pipe etc. if any shall be measured and paidseperately. |
| 21 | Supply andconnecting Indoor cable end termination joint, cold shrink type, suitable for 11 KV, 300 Sq mm 3 core HT XLPE 11000 volts (earthed), heavy duty armoured aluminium conductor cable with jointing materials and accessories, complete all as specified and directed. |
| 22 | Materials and labour for Earthing completewith Copper earth plateelectrode 600 mm x 600 mm x 3.15 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with 32x6 mm copper stripby means of nuts, bolts, check nuts and washers made of galvanised ironto be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point including providing funnel and watering pipe 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work, excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including test point andtesting on completionall as specified and as directed. |
| 23 | Supply, laying, jointing and testing LT XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade IS 7098 (Part-1), ISI Marked markedwith stranded aluminium conductor of size 25 Sqmm 4 core in trenches / through GI pipeetc.,complete all as specified and as directed. |
| 24 | Supply & layingshock proof synthetic mat 2.0 mm thick (made of elastomaric polymers) bearing specification as per IS: 15652:2006,for voltage upto 3.3 KV suitable for electrical shock safetyof sizes 2m x 1m completeall asspecifiedand as directed. |
| 25 | Supply & layingshock proof synthetic mat 2.5 mm thick (made of elastomaric polymers) bearing specification as per IS: 15652:2006,for voltage upto 11 KV suitable for electrical shock safetyof 11 KVsystem of sizes 2m x 1m, completeall asspecifiedand as directed. |
| 26 | Material & labour for chemical earthing complete with copper plate electrode of size 90cm x 60 cm x 5mm thick buried directly in ground (earth pit not less than 3.25m deep below the normal ground level) with top edge of plate not less than 2.65m below normal ground level connected to copper earth strip 32x6mm of length 7.5m (minimum) as earthing lead by means of copper bolts, nuts, check nuts and washers all as shown on electrical plate no 3 of SSR Part-I (2009), using adequate quantity of chemical to be provided and connected to earth test point including 25mm bore Gl medium grade pipe for watering with funnel and wire mesh and 65mm bore Gl light grade pipe for protection of earth strip and providing water supply connection fromnearest water supply point and testing including PCC chamber complete to achieve earth resistance less than 1 (one) Ohm all as specified and as directed. Note:-(i) The unit rate shall be deemed to include for earth work in any type of soil,PCC (1:2:4) type B-1 chamber, RCC (1:1.5:3) cover 50mm thick reinforced with8mm dia TMT bars @ 100mm c/c both ways, funnel with watering pipe 25mmbore medium grade, GI protection pipe light grade 65mm bore and wire meshcomplete in addition to Clause No 1(a) to (e) of preamble (notes) under subheadingearthing, specified on SSR Part-II 2020. (ii) If the desired earth resistance is not achieved during testing as per IS, then the complete earthing shall be redone by the contractor at his own cost and no extra claim shall be admissible in this regard.(iii) Copper strip beyond 7.5m length shall be measured and paid separately under relevant item. (iv) The unit rate shall be inclusive of filing the earth pit with sodium chloride 200Kg (minimum), Magnesium and copper sulphate 100 Kg (minimum) and balance charcoal in layers upto 15cm above the top edge of earth plate all as directed. |
| 27 | Supply, installation, testing and commissioning of 30 Volts , 275 AH DCautomatic float/boost/trickle battery charger cum DC tripping battery bank system microprocessor based comprising unit in single compartment design & batteries in seprate contrainer, suitable for input voltage of 230 V, single phase, AC supply and output 30 Volts DC for 33 KV remote panel and 11 KV distribution panel board, complete all as specified and directed and comprising of the following :-(i) AC/DC voltmeter, DC Ammeter96 Sqmm size with selector switches, toggle switches, including lamps showing position of charge on \"Auto boost\", \"Autotrickle\", \"Mains on\", \"battery earth\", and \"fuse failure\" alongwith set of protection MCBs(ii) Battery charger with trickle and boost charging facility rated 230 V with MICROPROCESSOR BASED CONTROL circuit system with necessary protection digital display and indicating lamps - 01 No(iii) Lead acid station type battery bank with each battery rated 2V giving 2 circuit each 30 V, 275 AH battery supply on metal racks appropriate to accomodate all the batteries safely as directed made of 50 x 5mm MS flat with rubber insulation of suitable size (not less than 2mm thick) in the battery room complete with digital type DC voltmeter, ammeter and over current protection - 01 No(iv)DC control panel comprising of MCBs distribution board with MCB 2 pole 40 amps - 4 Nos mounted on MS sheet enclosure panel board grouted on floor including necessary connection, with copper conductor cable, complete all as directed and specified.(v) One box/Cabinet, suitable to house 15 Nos, 2 Volts 150 AH tubular batteries made out of 2.0 mm thick MS sheet duly painted with two coats of acid resistant paint inside & outside covering total surface area with suitable locking arrangement. |
| 28 | Supply, laying & testing XLPE insulated cable galvanized steel strip or wire armoured, electric control cables (heavy duty) with stranded copper conductor of size 2.5 sq mm, 2 core, 1100 Volts grade bearing specification as per IS and ISI marked, complete all as specified and as directed. |
| 29 | Supply, laying & testing XLPE insulated cable galvanized steel strip or wire armoured, electric control cables (heavy duty) with stranded copper conductor of size 2.5 sq mm, 4 core, 1100 Volts grade bearing specification as per IS and ISI marked, complete all as specified and as directed. |
| 30 | Supply, laying & testing XLPE insulated cable galvanized steel strip or wire armoured, electric control cables (heavy duty) with stranded copper conductor of size 2.5 sq mm, 8 core, 1100 Volts grade bearing specification as per IS and ISI marked, complete all as specified and as directed. |
| 31 | Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying / taking up of HT/LT UG cable/pipe in soft loose soil, complete all as specified and as directed. |
| 32 | Excavation in trenches n.exc 1.5m wide but depth exc 1.5m for laying / taking up of HT/LT UG cable/pipe in soft loose soil, complete all as specified and as directed. |
| 33 | Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc. 25cm thick, complete all as specified and as directed. |
| 34 | Removing of surplus soil n.exc 50m and depositing where directed at a level n.exc. 1.5m above the starting point, complete all as specified and as directed. |
| 35 | M&L for providing sand cushioning for protection of UG cable (8 cm deep before laying & 15 cm above the top edge of cable after laying) in trenches with dry (coarse) sand approved quality including filling, spreading and punning down to desired thickness complete all as specified & as directed. NOTE : Punned thickness only shall be considered for payment purpose. |
| 36 | Supply and laying of unreinforced Pre-cast Concrete Cable Cover, Class LV, Type I, flat, size 250 mm x 150mm x 40mm, complete all as specified and as directed. |
