REPAIR / MAINTENANCE OF 33 KV YARD, TRANSFORMERS, HT OVERHEAD LINES AND CONNECTED SERVICES AT JHANSI CANTT UNDER GE JHANSI

Amount

Disconnecting and removing old jumpers, substation clamps and connectors of any description from 33 KV MRS switch yard at Jhansi Cantt and Material and labour for 33 KV jumpers using new ACSR conductor of code name DOG up to 3.0m (Three meters) length and connecting both ends with suitable type and size of 33 KV or above grade substation clamps and connectors such as PG Clamp, T Connector, C wedge connector, Bi-metallic transformer clamp, Compression Clamp, Isolator Clamp, Post Clamp, LA Clamp etc with stainless steel hardware complete as per site requirement and as directed by Engr-in-Charge. Note: ACSR Conductor (Dog) up to 3.0 meters length and both end substation clamps and connectors shall be measured as each jumper.

Disconnecting and removing ACSR bus bar conductor from 33 KV switch yard and Material and labour for new Aluminium Conductor Steel Reinforced (ACSR) conductor of code name DOG including proper stringing to required tension and binding with suitable aluminium binding wire as in bus bar for 33 KV switch yards complete as per site requirement and as directed by Engineer-in-Charge.

Supply and fix in replacement of disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, colour of glaze brown, three disc in series assembly for tension with tension clamps for conductors, working pressure 33 Kilo Volts complete all as specified and directed by Engineer-in-Charge. Make: BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators/ Rashtriya

Supply and fix in replacement of 33 KV Post Insulator, porcelain, vitreous, brown insulator complete with GI fixing hardware and all as specified and directed by Engineer-in-Charge. Make : BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators / Rashtriya

Supply and fix in replacement of Lightning arresters expulsion type complete with all fittings, station class, discharge capacity 10 kilo amp suitable for 33 Kilo Volts complete all as specified and directed by Engineer-in-Charge. Make : Oblum /Atlas / BHEL / Rashtriya / Elpro / Crompton Greaves / Jaipuria

Supply and install HT 33 KV outdoor, triple pole, Gang Operated Switch, Double Break, Rotating type, Horizontal mounting consisting of hot dip galvanized channel iron base, having 2 Nos. Post type Insulators in stack & 3 stacks per phase, copper alloy high pressure heavily tinned contact plated m.s.arcing horns capable of breaking the magnetizing current complete with down rod levers, couplings & operating handle with pad locking arrangements manufactured as per IS 9921of rating up to 200 Amps complete all as specified and directed. Make : Pactil / MEI / Jaipuria Brothers / Southern Switchgear / HEI / BHEL / ELPRO / Atlas

Supply and fix in replacement of 33000 volts grade, expulsion type drop out fuse set mounted on insulators and steel frame of current rating up to 200 Amps complete all as specified and directed by Engineer-in-Charge. Make : Pactil / MEI / Jaipuria Brothers / Southern Switchgear / HEI / BHEL / ELPRO / Atlas / Rashtriya

Supply, laying, testing & commissioning in replacement of XLPE insulated, insulation screening with extruded semi conducting compound in combination with copper tape, cores laid up, PVC inner sheath, galvanized steel strip armoured and overall PVC sheathed electric power cables(heavy duty) with stranded aluminum conductor of cross sectional area 300 sqmm, 3 core, 33000 volts grade(Earthed) cable confirming to IS 7098 complete all as specified and directed. Make: Havells / Universal / Gloster / Polycab / Finolex

M&L for Cable jointing kit for 33 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 300 sqmm complete all as specified and directed by Engineer-in-Charge. Make: Raychem / Denson / 3M

Dehydration / Filtration of transformer oil of power / distribution transformer indoor/out door type of any capacity installed at various locations at Jhansi Cantt, AAU & Caleb Vihar with mobile type centrifuge dehydration / filtration machine/plant to achieve di-electric strength of 40 KV or above for 1 minute at 2.5 mm gap as per relevant IS/IEC including testing and recording the values of dielectric strength of oil before and after filtration at site with transformer oil testing machine complete all as directed by Engineer-in-Charge. Note : Record of Di-electric strength before and after dehydration / filtration duly signed by Contractor, JE E/M and Engineer-in-Charge shall be submitted by contractor to the department before claiming payment through RAR / FB.

Supplying, Re-filling / Topping up of new transformer oil into the body / conservator tank of transformer to the desired level complete all as specified and directed by Engineer-in-Charge. Note: The dielectric strength of oil should not be less than 40 KV. Make: Power Oil / Electrol / Transol / Sero ELectra.

M&L for isolating the defective transformer by carefully disconnecting the primary (HV), secondary (LV) and earth connections, drawing out the oil from transformer to required level and storing in cleaned containers, opening the top cover and conservator tank from transformer, identifying and rectifying the defects and re-fixing back the same duly replacing with new rubberized cork sheet gasket for transformer top cover and new GI bolts, nuts & washers of suitable size and reconnecting all primary (HV), secondary (LV) and earth connections as per the original, re-filling the transformer oil to required level and testing on completion for satisfactory performance complete all as specified and directed by Engineer-in-Charge for the following capacity of transformers:- Note : Re-winding and replacement of HT / LT bushings shall be measured and paid separately. However, the cost of rectification of minor defects such tightening of loose connections, replacement / connecting of copper strips to bushings, provn of nuts, bots, washers etc is deemed to be included in quoted rates.

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Lifting the transformer from its plinth / pole structure inside the fence area with the help of suitable crane and transporting to workshop for carrying out necessary repairs and bringing back and re-installing in its original place complete all as specified and directed by Engineer-in-Charge for the following capacity of transformers:- Note : Repairs required shall be measured and paid separately under relevant items of BOQ

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Taking out complete core from transformer, cutting and removing burnt out winding [primary (HV) and secondary (LV)] and re-winding the same with super enameled copper conductor of existing gauge together with insulation materials, applying varnish, pre-heating in heating chamber, re-assembling the transformer as per the original and testing on completion complete all as specified and directed by Engineer-in-Charge for distribution transformer of capacity up to 500 KVA of any make and Power Transformer of capacity 1.60 MVA / 5 MVA of any make.

Supply and fix in replacement of HV side porcelain transformer bushing with brass stud, nuts, bolts & washers including oil seal and gaskets suitable for following rating of step down transformers complete all as specified and directed by Engineer-in-Charge.

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Supply and fix in replacement of LV side porcelain transformer bushing with brass stud, nuts, bolts & washers including oil seal and gaskets suitable for following rating of step down transformers complete all as specified and directed by Engineer-in-Charge.

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Opening the LV side cable box and disconnecting the LT cables and Supply and fix in replacement of oil seal and gasket suitable for LV side bushing of 11KV/433V transformer of rating up to 500 KVA complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of old painted surfaces of outdoor/indoor type power / distribution transformers and painting with synthetic enamel paint of approved colour using spray painting machine / spay gun through out externally and writing machine number in white colour on black background complete all as specified and directed by Engineer-in-Charge for following rating of transformers:-

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Disconnecting the defective transformer of any rating from HV side, LV side and earthing connections and carefully shifting the trolley mounted mobile type transformer of capacity 400 KVA from one location to other location within the Jhansi Cantt Area including AAU & Caleb Vihar with the help of tractor or any means of transportation and making all HV, LV and earthing connections and testing complete all as specified and directed by Engineer-in-Charge.

Supply and fix in replacement of breather assembly complete with new silica gel and fixing accessories suitable for following rating of existing transformers of any make :-

Power transformer 1.60 MVA / 5 MVA, 33 KV / 11 KV

Distribution transformer up to 100 KVA, 11/0.433 KV

Distribution transformer 160 KVA to 250 KVA, 11/0.433 KV

Distribution transformer 300 KVA to 500 KVA, 11/0.433 KV

Supply and replace silica gel into the breathers of power / distribution transformers of any capacity and make complete all as specified and directed by Engineer-in-Charge.

Supply, laying, testing & commissioning in replacement of XLPE insulated, insulation screening with extruded semi conducting compound in combination with copper tape, cores laid up, PVC inner sheath, galvanized steel strip armoured and overall PVC sheathed electric power cables(heavy duty) with stranded aluminum conductor of cross sectional area 95 sqmm, 3 core, 11000 volts grade (Earthed) cable confirming to IS 7098 complete all as specified and directed. Make: Havells / Universal / Gloster / Polycab / Finolex

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95/120 sqmm complete all as specified and directed by Engineer-in-Charge. Make: Raychem / Denson / 3M

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95/120 Sqmm complete all as specified and as directed by Engineer-in-Charge. Make: Raychem / Denson / 3M

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm to 120 Sqmm complete all as specified and as directed by Engineer-in-Charge. Make: Raychem / Denson / 3M

Supply and fix in replacement of Switch Air Break, gang operated, Triple pole, mechanically operated, vertical mounted on 09 insulators and steel frame, with operating mechanism worked from ground level, for current rating up to 200 amps suitable for 11000 volts grade complete all as specified and directed by Engineer-in-Charge. Make : Pactil / MEI / Jaipuria Brothers / Southern Switchgear / HEI / BHEL / ELPRO / Atlas /Rashtriya

Supply and fix in replacement of 11000 volts grade, expulsion type drop out fuse set mounted on 06 insulators and steel frame of current rating up to 50 Amps complete all as specified and directed by Engineer-in-Charge. Make : Pactil / MEI / Jaipuria Brothers / Southern Switchgear / HEI / BHEL / ELPRO / Atlas /Rashtriya

Supply and fix in replacement of Lightning arresters expulsion type complete with all fittings, distribution class of discharge capacity 10 kilo amp suitable for 11 Kilo Volts complete all as specified and directed by Engineer-in-Charge. Make : Oblum /Atlas / BHEL / Rashtriya / Elpro / Crompton Greaves / Jaipuria / Rashtriya

Supply and fix in replacement of Pin type, porcelain, vitreous, brown insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified and directed by Engineer-in-Charge. Make: BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators / Rashtriya

Supply and fix in replacement of Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, brown, single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and directed by Engineer-in-Charge. Make: BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators / Rashtriya

Supply and fix in replacement of Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed by Engineer-in-Charge.

Supply and erection in replacement of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 meters long) including painting of poles with two coats of aluminium paint over a coat of red oxide primer on all exposed surfaces and black bituminous paint on embedded portion and Zebra marking on pole with black paint up to one meter height above PCC coping including pasting of radium reflector band / strips (Make: 3M or equivalent) of 5cm wide in Green (02 Nos) & White (01 No.) colour shall be provided at a height of 1.25mtr from coping of pole and writing the pole number in black colour on yellow background at a suitable place on the pole complete all as specified and directed by Engineer-in-Charge. (Note: Excavation and concrete shall be measured and paid separately under relevant items of this BOQ). Make : India Electric Poles / Bombay Tubes / National Tubing Company / Bharat Conduit and Steel / Kalinga Tubes /Quality Steel Products

M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate as in foundations of pole/ stay assembly complete all as specified and directed by Engineer-in-Charge.

M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate as in coping of pole including necessary form work complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of old painted surfaces of HT 11 KV four pole structure and painting with aluminium paint on all steel surfaces such as poles, channels, angles, clamps, nuts, bolts and washers of any description and Zebra marking on pole with black paint up to one meter height above PCC coping including replacement of old radium stickers of any description with new radium reflector band / strips (Make: 3M or equivalent) of 5 cm wide in Green (02 Nos) & White (01 No) colour shall be provided at a height of 1.25mtr from coping of pole complete all as specified and directed by Engr-in-Charge.

All as per item No 35 here-in-above but of two pole structure complete all as specified and directed.

M&L for preparation of old painted surfaces of HT 11 KV 11.0m long poles and painting with one coat of aluminium paint on all steel surfaces such as poles, channels, angles, clamps, nuts, bolts and washers of any description including replacement of old radium stickers of any description with new radium reflector band / strips (Make : 3M or equivalent) of 5 cm wide in Green (02 Nos) & White (01 No.) colour shall be provided at a height of 1.25 mtr from coping of pole and numbering of pole shall be done in black colour on yellow background at suitable place on the pole complete all as specified and directed by Engineer-in-Charge.

M&L for pruning of tree branches up to 2.0 meter clearance all around HT/LT overhead lines and depositing where directed at a distance not less than 50m complete all as specified directed by Engineer-in-Charge. Note: The item will be measured in span length between poles. The approx span length is 50m.

Unbinding the existing HT/LT overhead lines of any configuration and size of conductor by opening the binding wire from insulators and Re-stringing to the required tension and sag and binding with new aluminium binding wire of suitable gauge complete all as directed by Engineer-in-Charge.

Supply and fix replacement of Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanized mild steel straps, washers, insulator bolts, washers and nuts for working pressure 1100 volts of size 75mm height and 90mm dia complete all as specified and directed by Engineer-in-Charge. Make: BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators / Rashtriya

Supply and fix replacement of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 100mm height, 65mm dia for 1100 volts grade complete all as specified and directed by Engineer-in-Charge. Make: BHEL/ Bengal Potteries/ Jayshree/ Pactil / WS Insulators/ Jaipuria/ Southern Insulators/ MEI/ Modern Insulators / Rashtriya

Supply and fix in replacement of ACSR conductor for HT/LT overhead line and proper stringing to required tension and sag including binding with new aluminium binding wire of suitable size complete all as specified and directed by Engineer-in-Charge.

Supply and fix in replacement of Stay assembly with 16mm dia stay rod and all accessories as shown in electrical plate No. 1 complete all as specified and directed by Engineer-in-Charge. Note: Loop type insulator, stay clamps, stay wire, excavation and concrete measured separately)

Supply and fix in replacement of Galvanized stay strand, 7/3.15mm including proper tightening to required tension complete all as specified and directed by Engineer-in-Charge.

Supply and fix in replacement of Loop type insulator, vitreous porcelain, white, brown or green Small size, with overall dimensions 65 x 90mm, clearance of hole 16mm complete all as specified and directed by Engineer-in-Charge.

Supply, fabrication and fixing in replacement of 2.0mm thick Mild steel, plain, black sheets as in cable end boxes and covers for transformers, wall cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required and applying two coats of synthetic enamel paint of approved colour over a coat of red oxide primer including cutting and removing corroded sheet complete all as specified and directed by Engineer-in-Charge.

Calibration of IDMT relay by conducting primary injection / secondary injection tests, checking of current transformer, rectification of defects in control wiring, necessary adjustment/setting of plug and time multiplier settings of the relay for proper tripping of circuit breakers through CTs, relays and tripping coils complete all as specified and as directed. Note : The contractor shall arrange all necessary testing kits, testing equipments, tools etc and shall also prepare necessary test reports and submit to the department before claiming payment in RAR/FB. Hiring charges of testing kit and equipment is deemed to be included in the quoted rate. Testing, tuning and setting of relay shall be carried out in the presence of Engineer-in-Charge.

Supply and fix in replacement of Non-directional IDMT Two Over Current and One Earth Fault relay suitable for 1 Amp or 5 Amp CT secondary for 11 KV system suitable for existing VCB panel complete all as specified and as directed by Engineer-in-Charge. Make : CG / L&T / Schneider / ABB

S&F in replacement of Master Trip Relay suitable for 1 Amp or 5 Amp CT secondary for 11 KV system suitable for existing VCB panel complete all as specified and as directed by Engineer-in-Charge. Make : CG / L&T / Schneider / ABB

Supply and fix in replacement of Power Pack with 15 minutes backup suitable for 11 KV VCB complete all as specified and directed by Engineer-in-Charge.

Servicing and overhauling of 11 KV Vacuum Circuit Breaker of any rating and any make by carefully drawing out the breaker from panel, degreasing and cleaning all moving parts, checking the condition of vacuum interrupters, male & female contacts, flexible connection, spring charging motor, gear assembly, tripping coil, timer, control wiring, operations of breaker both electrically and mechanically, inspecting all bolts, nuts, pins and collar pins etc and replacing the defective parts if any, applying grease to all moving parts, gears and trolley and petroleum jelly to male & female contacts and re-assembling, refixing and testing for smooth functioning of breaker complete all as specified and directed by Engineer-in-Charge. Note: The spare parts required shall be measured and paid separately as "Supply Only" and the labour part shall deemed to be included in the quoted rate.

Supply only in replacement of Vacuum Interrupter suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of female contact suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of flexible copper strip connection suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of spring charging motor suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of gear assembly (big & small both) suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of tripping coil suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB) for 24 V DC control voltage.

Supply only in replacement of auxiliary switch suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB) for 24 V DC control voltage.

Supply only in replacement of timer suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB) for 24 V DC control voltage.

Supply only in replacement of push to trip / push to close buttons with spring suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB) for 24 V DC control voltage.

Supply only in replacement of T-N-C switch suitable for existing make and model of 11 KV Vacuum Circuit Breaker (VCB).

Supply only in replacement of LED indication lamps of any colour as per site requirement suitable 11 KV Vacuum Circuit Breaker (VCB) Panel.

Supply only Tinned Copper HT fuse wire of various ratings from 10 Amps to 100 Amps as specified by Engineer-in-Charge for outdoor use for feeder / transformer protection.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting in hard / dense soil for laying of cables/ for erection of poles/ for stay assembly etc complete all as specified and directed by Engineer-in-Charge.

All as per item No 64 here-in-above but exceeding 1.5m depth and not exceeding 3.0m complete all as specified and directed.

Supply and spread M-sand in trenches for cushioning of cable / in the yard of outdoor substations complete all as specified and directed by Engineer-in-Charge. Note: Punned down thickness only shall be measured for the purpose of payment.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed by Engineer-in-Charge.

Removing surplus excavated material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed by Engineer-in-Charge.

M&L for cutting of existing road / hard standing up to 15 cm depth for laying of pipe lines and making good the disturbed surfaces by providing PCC 1:2:4 type B-1 (using 20mm graded aggregate) after laying of pipes lines and returning filling of soil, complete all as specified and directed. Note:- Excavation and earth work below road / hard standing will be measured and paid under relevant items.

Supplying and laying in replacement of un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm for cable protection in trenches complete all as specified and directed by Engineer-in-Charge.

Supply and fix in replacement of 100mm dia bore tubes, 'light grade' galvanized, with all fitting and fixed complete to walls/ poles or laid in trenches/ floors for cable protection complete all as specified and directed by Engineer-in-Charge. Make : Jindal / Tata / Zenith / Prakash Surya

Excavation in post holes (or similar holes) each not exc 0.5 Cum, getting out, returning filling in and ramming earth or broken rubble mixed with earth around, in layers not exc 25cm, watering, and removing surplus soil to a distance not exc 50m and making good surface complete in any type of soil.

M&L for mild steel work as in replacement of posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire etc flat iron fillets(for securing wire mesh etc) including all necessary drilling, bolting or riveting etc and similar work confirming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for preparation of new steel surfaces of any description not exc 10 cm in width or girth and painting with two coats of synthetic enamel paint of approved colour over a coat of red oxide primer complete all as specified and directed.

Supply and fix in replacement of coloured PVC covered galvanized chain link fencing of size 50mm x 50mm mesh, dia of wire 2.5mm with 1.5mm PVC cover (overall dia 4mm) including line wires (overall dia 4mm) fixed to any type of standards, rails, straining bolts etc including provision of binding wire complete all as specified and directed.

M&L for Framed work such as grills, gratings, etc. with ends of bars shouldered and/or riveted, or forged into spikes; framed and hung as gates, including pestle hinges, stops, hand-made sliding bolts, etc. conforming to Fe.290.Gde-E-165 including taking down existing framed work of any description complete all as specified and directed by Engineer-in-Charge.

M&L for Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips etc conforming to Fe.290.Gde-E-165 including taking down existing framed work of any description complete all as specified and directed by Engineer-in-Charge.

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out in hard/dense soil in the transformer yard complete all as specified and directed by Engineer-in-Charge.

Supply and spread graded coarse aggregate of 63mm nominal size around outdoor transformer and HT 11 KV two/four pole structure complete all as specified and directed.

M&L for Brickwork with sub class ‘B’ bricks on plan built in CM 1:6 complete all as specified and directed.

M&L for rendering 10mm thick cement plaster 1:6 on fair faces of brick work or concrete surfaces finished even and smooth (with out using extra cement) complete all as specified and directed.

M&L for earthing complete with galvanized iron earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connecting to GI strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth wire protected by 50mm dia GI pipe medium grade and connected to pole structure/ panel board/earthing test point all as shown in electrical plate No. 3 of SSR Part-I(2009) and testing on completion complete all as specified and directed. Note :- The unit rate quoted shall also include for excavation, earth work in any type of soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bras @ 150mm C/C both ways, GI funnel with watering pipe, wire mesh, protection pipe, earth strip up to 7.50m long complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub heading earthing, specified in SSR Part II

S&F earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required with 32mm x 6mm galvanized iron strip complete all as specified and directed by Engineer-in-Charge.

S&F GI protection pipe of 50mm bore medium grade complete all as specified and directed

M/S SANTOSH CONSTRUCTION CO