MAINTENANCE AND REPAIRS TO HT OVER HEAD LINES AND HT UG CABLES ALONGWITH CONNECTED ITEMS AND COMPREHENSIVE MAINT AND REPAIRS TO TRANSFORMERS, HT VCBs, RMU AND ALLIED WORKS AT AFS BIDAR UNDER GE (AF) BIDAR

Amount

Comprehensive maintenance and general servicing to switchgear (VCB / RMU (upto 7 ways) / CSS as one unit) once in year of insulation resistance testing, CRM testing, 3 pole timing testing with transportation under AMC and duly carring out servicing, overhauling, calibration by using suitable test kits, and cleaning the switch gear terminals / moving parts of electric / mechanically with suitable cleaning agents in all respects by taking care of reference drawings & specifications of OEM and incl attending complaints on faults for the same on faulty / requirement / emergency calls of any type within the maintenance period and testing to VCB / protection relay by disconnecting, opening of indoor / out door type VCB / RMU (Make : Crompton / Megawin / Yamuna Denson / ABB Ltd, Alsthom /Scheneider/ L&T) of any technical specification of 11 KV grade VCB current rating 400/630/800/1250 Amps (out going feeders) Including for checking, examining complete VCB in terms of electrical and mechanical side in all respects after complete servicing with reference to OEM drawings with automatic facilitated operating features, and review the control switches with wiring and replacement of minor spares like fuses, wires, terminals / blocks and removing/replace unserviceable / defective spare parts with new spares under relevent items, reassembling the VCB complete in all respects upto serviceablility state of switch gear to satisfactory of Engr-In-charge complete all as specified and as directed.

Note for 1: (i) Replacement of unserviceable parts shall be measured and paid separately under relevent item of Sch 'A' as supply only but fixing charges of the parts replaced /repaired is deemed to be included in the item rate. (ii) Servicing shall be got carried out thorugh a approved agency of any state/Central govt CEI (chief electrical Inspectorate) and RMU upto 7 ways/CSS of any type (compact sub stn allied with VCB's) is consider as one unit. (iii) Engineer shall be consider repair/servicing duly reference taken from OEM drawings and tech specifications and service engineer will submit a service report and calibration certificate for each VCB/RMU/CSS. (iv) Any minor item not included in CA and required for successful operation of the panel will be provided by the contractor & same shall deemed to be included in the quoted rates. (v) Failing attend the lodged complaint of any mode within 24 Hours will imposed penalty of Rs 1000/fault for each day cumulatively and same shall be deducted from his dues within contract period.

Supply only Tripping coil DC 24/110 volts suitable for existing breakers complete all as specified and as directed. Make : MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Supply only Closing coil DC 24/110 volts suitable for existing breakers complete all as specified and as directed. Make : MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Supply only Spring charge motor 1.5 KW single phase for functional of HT VCB suitable for existing makes complete all as specified and as directed. Make : MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Supply only current transformer suitable for existing breakers complete all as specified and as directed. Make :- Megawin or equvalent in AREVA/SIEMENS/ABB/Schenider

Supply only potential transformer model ECS11J conforming to IS 3156-1992, insulation class 'B' suitable for existing breakers complete all as specified and as directed. Make :- Schneider or equvalent in AREVA/SIEMENS/ABB/Megawin

Supply only single phase under voltage or over voltage relay 20/110 V or 82/264V suitable for existing breakers complete all as specified and as directed. Make : L&T or equvalent in MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Supply only single phase over current or earth fault relay 20/110 V or 82/264V suitable for existing breakers complete all as specified and as directed. Make : L&T or equvalent in MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Taking down old unserviceable relay of any type from VCB breaker and supply and fix microprocessor based numerical relay with local display & communication port on IEC 61850 protocol comprising of IDMT/Ins 30/C+ E/F (50,51,50N,51N) Make ABB model REJ 601complete all as specified and as directed. Make: ALSTOM/ABB/ASHIDHA

Taking down old unserviceable relay of any type from VCB breaker and supply and fix microprocessor based numerical relay with local display & communication port on IEC 61850 protocol comprising of IDMT/Ins 30/C+ E/F (50,51,50N,51N) Make ABB model REF 651complete all as specified and as directed. Make: ALSTOM/ABB/ASHIDHA

Supply only HT barrel fuse 2 Amps suitable for 11 KV potential transformer of existing makes conforming to IS complete all as specified and as directed.

Supply only HT barrel fuse 32 Amps Din type suitable for existing HT 11 KV breakers conforming to IS complete all as specified and as directed.

Supply only HT barrel fuse 32 Amps BS type suitable for existing HT 11 KV breakers conforming to IS complete all as specified and as directed.

Supply only plastic sleeve suitable for moving arm unit (male & female) type suitable for existing HT 11 KV breakers complete all as specified and as directed.

Supply only female contact made out of copper with silver coating type suitable for existing HT 11 KV breakerscomplete all as specified and as directed.

Supply only cast resin bush unit of suitable for existing HT 11 KV breakers along with copper studd duly coated with sliver plate for fixing of 11 KV bus bars along with suitable nut bolts and watchers complete all as specified and as directed.

Supply and fixing of Gear box of 11 KV HT VCB panel including taking out old U/S Gear box complete all as specified and as directed. Make : Magawin or equivalent in AREVA/SIEMENS/ABB/Schenider

Supply and fixing power pack unit of capacity 230/ 24 Volts 3 phase and making necessary connection to PTs including with suitable inbuilt battery bank complete including taking out old U/S power pack unit complete all as specified and as directed. Make : Power pack

Supply and fix trip circuit supervision relay VAX30-34V model No.VAX31ZG8043FCH make- Alstom including taking out old U/S relay complete all as specified and as directed. Make - Alstom or equvalent in L&T/MEGHAWIN/ AREVA/SIEMENS/ABB/Schenider

Supply only RMU protection relay Model CSDPR-V2 suitable for existing RMU complete all as specified and as directed. Make : C&S or equvalent in L&T/ABB

Supply only master trip relay type PQ8nCH2J suitable for existing RMU complete all as specified and as directed. Make : ABB or equvalent in L&T/ABB

Supply only multi function meter model EN 8400 having the parameters the HT voltage,current, frequency, power factor , KVA, KVAR etcsuitable for existing RMU complete all as specified and as directed. Make : Elmeasure or equvalent

M&L for disconnecting the transformer of capacity upto 315 KVA from the electrical system, taking out and shifting the same for repair to work shop, drain out old transformer oil, opening the top cover of the transformer with conservator and taking out core with limbs and primary & secondary windings after disconnecting and removing iron core, removing damaged primary & secondary windings etc as per requirement and rewinding, re insulating and removal of moisture on oven heating & re-assembling transformer winding and core heating including insulating and packing material in order to take out all moisture from the transformer assembly complete, lowering the core assembly with winding in transformer body, connection work and re-assembling in position top cover, conservator, breather with relay control wiring complete including transportation of transformer back from workshop to site, installation of transformer on foundation, commissioning and testing complete all as specified and as directed. Note:- 1. Copper winding wire for rewinding will be measured in Kgs and paid sepertely under relevant of items of Sch A here in after. 2. Draining of transformer oil, filtering & dehydrating of oil and filling back if found usable in to the transformer shell and gasket and Misc items if any are deemed to be inclusive in the unit rate.

All as per Item No 24 here-in-above but of capacity from 500 KVA to 1000 KVA complete all as specified and as directed

M&L for copper winding, paper insulated wire complete as per existing guage for existing number of turns for LV coil/leg rewinding of transformer capacity upto 315 KVA complete all as specified and as directed

M&L for copper winding, paper insulated wire complete as per existing guage for existing number of turns for HV coil/leg rewinding of transformer capacity upto 315 KVA complete all as specified and as directed

Disconnection and Removing the unserviceable/ burnt out Primary 11 KV Bushing units complete and replace the same with same size and capacity of bushing with brass Studs along with suitable nut bolt and washers complete suitable for the following Transformers complete all as specified and as directed.

Transformer 11/0.433 KV , 50/63 KVA

Transformer 11/0.433 KV , 100 KVA

Transformer 11/0.433 KV , 160 KVA

Transformer 11/0.433 KV , 200 KVA

Transformer 11/0.433 KV , 250 KVA

Transformer 11/0.433 KV , 315 KVA

Transformer 11/0.433 KV , 1000 KVA

Disconnection and Removing the unserviceable / burnt out Secondary LT Bushing units complete and replace the same with same size and capacity of bushing with brass Studs along with suitable nut bolt and washers complete suitable for the following Transformers complete all a specified and as directed.

Transformer 11/0.433 KV , 50/63 KVA

Transformer 11/0.433 KV , 100 KVA

Transformer 11/0.433 KV , 160 KVA,

Transformer 11/0.433 KV , 200 KVA

Transformer 11/0.433 KV , 250 KVA

Transformer 11/0.433 KV , 315 KVA

Transformer 11/0.433 KV , 1000 KVA

M & L for Silica Gel of Transformer including removing the unserviceable Silica gel and replace the same in serviceable breather in various locations complete all as specified and as directed at site.

M&L for spreading of Crushed metal stone aggregate 40mm grade required thickness complete all as specified and as directed

M & L for Mild steel plates, plain or chequered, 5mm thick cut to shape and size to match the existing HT / LT cable ducts including provision of holes to accomodate the handles and painting the same with two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed.

Supply and fix mild steel work as in cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including bolts, nuts, washers inclusive of one coat primer and two coats of painting including dismantling the unserveable one complete all as specified and as directed. Make - SAIL/ TISCO/ RINL/ Jindal Steel

Repairing and servicing (Oiling and greasing) of gang operated switch 11 KV vertical/Horizontal mounted and Including replacement of U/S spare parts as required for smooth functioning of switch, testing for its proper operation complete all as specified and as directed.

Disconnecting & Removing the unserviceable GODO horizontal / vertical of capacity 400 A, 11 KV from the Two/four pole / six pole structure carefully and supply and fix gang operated air-break switch 400 A, 11 KV, triple pole, mounted on post insulator along with 25mm light grade GI tubing operating from operating mechanism from ground level of 12 insulators complete all as specified and as directed. Note: Cost of Jumper connections along with fixing material deemed to inclusive in the unit rate. Make - Pactil, Mumbai/ Southern Switchgear, Jaipuria Brothers/BHEL

All as per Item No 35 here-in-above but of capacity 200 Amps complete all as specified and as directed.

Disconnecting and removing the unserviceable 11 KV Disc type insulator from HT poles and S&F Disc type insulator, porcelain, vitreous 145mm hight and 255mm dia ball and socket type, white, brown or green single disc assembly of 11000 Volts ISI Marked along with fixing material such as GI bolt, nut and washers etc. complete all as specified and as directed. Make - BHEL/ Jayshree/WS Insulators.

Disconnecting and removing the unserviceable 11 KV Pin insulator from HT poles and S & F Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 11000 Volts ISI Marked along with fixing material such as GI bolt, nut and washers etc. complete all as specified and as directed. Make - BHEL/ Jayshree/WS Insulators.

Disconnecting and removing the unserviceable 11 KV Lightening arrester carefully from the 2/4/6 Pole structure and Supply & fix lightining arrester suitable for 11000 Volts of discharge capacity 65 Kilo Amp, 3 Phase including connecting of the same to the supply with necessary fixing materials such as nut bolt, washers etc. complete all as specified and as directed. Make - Oblum/BHEL/ GEC-ELPRO.

Earthing complete with copper plate electrode 600x600x3.15 mm burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level with the top edge of earth plate at a depth not less than 1.5 mtr below ground level connected to copper earth strip of 25x3 mm thick by means of bolts, nuts and washer of copper and provision of earth lead GI protection pipe light grade GI including necessary earth work in any type of soil and PCC (1:3:66) type C1 (using 20 mm graded stone aggregate) earth chamber RCC (1:2:4) type B1 precast cover 50 mm thick with 8 mm dia bars complete all as shown in SSR part-I electrical plate No5 complete all a specified and as directed.

All as per Item No above here-in-before but copper earth strip of 50x6 mm thick by means of bolts, nuts and washer of copper and provision of GI protection pipe light grade GI including necessary earth work in any type of soil complete all as shown in SSR part-I electrical plate No 5 complete all as specified and as directed.

Disconnection and removing the unserviceable 11 KV Expulsion fuse single pole carefully from the 2/4/6 Pole structure and Supply & fixing Expulsion fuse single pole along with post insulators suitable for 11000 Volts, 50 A capacity including connecting of the same to the supply with necessary fixing materials such as Aluminium jumpers, Aluminium binding wire etc. complete all as specified and as directed. Make - Southern switchgear/ Crompton greaves/ Schenider

M&L for stringing and fixing in position of ACSR conductor in OH line connections as per site requirement including provision of aluminium binding wire complete all as specified and as directed. Make - All-Ind/ ICC/ Bharat Conductors

Restringing of HT 3 lines of existing over head line of ACSR conductor after disconnecting from the insulators & jumpers to the required tension & sag & binding up & connecting to insulators & jumpers properly test complete, chopping off trees branches (coming in the way/line) of span 45-60 mtr 3 wire complete all as specified and as directed. Note : (a) Trimming of tree branches up to 1.5 RM from the conductor deemed to be inclusive in the unit rate (b) single conductor shall be considered for measurement

Dismantling ACSR conductor of any sizecomplete all as specified and as directed.

Supply and fixing indicating lamp red,yellow,blue,green, white of operating voltage 24/110/230 volts including taking down u/s indicators complete all as specified and as directed. Make - Wipro/ Bajaj/ Havells

M&L for topping up and replacement of old transformer oil with new transformer oil in the existing transformer 11/0.433 for topup or achieve the required level after centrifuging by the centrifuging machine complete all as specified and as directed Make - Power Oil/ Transol/ GET

S&F PVC sleeves of 15 mm dia in RYB colour for protection of Jumper on HT/LT poles /structure complete all as specified and as directed.

Removing the unserviceable Danger notice plate and S&F danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 25x20cm size complete all as specified and as directed.

M&L for filteration, centrifuging and testing of transformer oil by using centrifuging/ filteration machine for installed transformer, 11/0.133 KV at various sub station in order to achieve the desired dielectric strength of transformer oil as per relevent IS-1981 complete all as specified and as directed

M&L for disconecting the transformer connections and taking down from its foundation , transporting to work shop/MES store yard or site , drain out the oil from chamber complete ,opening of transformer and lifting of core and winding cleaning of tank and core ,varnishing of winding for improvement of insulation resistance value reassembled the same and refilling of new transformer oil reconection the same on existing location or other location complete capacity of transformer 315/250/200/100/50 KVA complete all as specified and as directed.

M&L for spray painting of transformer with synthetic enamel or recommended of capacity 50 to 100 KVA complete all as specified and as directed.

M&L for spray painting of transformer with synthetic enamel or recommended of capacity 163 to 250 KVA complete all as specified and as directed.

M&L for spray painting of transformer with synthetic enamel or recommended of capacity 315 to 750 KVA complete all as specified and as directed.

M&L for spray painting of transformer with synthetic enamel or recommended of capacity 1000 KVA complete all as specified and as directed.

Removing the unserviceable silica gel container and S& F Silica gel container (breather unit complete) suitable for existing transformers of any capacity complete all as specified and as directed.

Load balancing of transformers capacity 100 KVA to 750 KVA including changing of connections of cable/service connections for one phase to another phase and testing complete all as specified and as directed. Note :- (i) Work shall be executed after written order of Engineer-in-Charge. (ii) Proper shut down shall be arranged by the Engineer-in-Charge. (iii) Load variation in Amperes shall not be more than 10 % between three phase.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 m in depth for taking out /for laying under ground cables/pipes etc and getting out in soft/loose soil complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 mtr wide and exceeding 1.5 m in depth but not exceeding 3 mtr in hard soil complete all as specified and as directed.

Supply and laying unreinforced pre cast concrete cable cover class HV type 1 flat size 300 x 180 x 40 mm for cable protection complete all as specified and as directed.

Supply and spreading fine river sand in trenches for cushioning of under ground cable complete all as specified and as directed. Note:- Only punned thickness 18 cm will be measured and paid .

Returning filling in including spreading, levelling, watering and well ramming in layers n-exc 25 cms complete all as specified and as directed.

Removing excavated soil to a distance n-exc 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point complete all as specified and as directed.

Relaying old serviceable unreinforced pre cast concrete cable cover taken out from the trenches complete all as specified and as directed.

Taking down of HT XLPE/ PVC UG cable 11000 V grade ,3 core of any size/dia up to 240 Sqmm from the trenches along complete all as specified and as directed.

Relaying of old serviceable HT XLPE/ PVC UG cable 11000 V grade ,3 core of any size/dia up to 240 Sqmm from the trenches along complete all as specified and as directed.

M & L for XLPE insulated, screen, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor,3 core, 11000 volts, grade of the size 240 Sqmm complete all as specified and as directed.

All as per item no above here-in-before but of size 185 Sqmm complete all as specified and as directed.

All as per item no above here-in-before but of size 120 Sqmm complete all as specified and as directed.

All as per item no above here-in-before but of size 95 Sqmm complete all as specified and as directed.

M & L for indoor type jointing kit heat shrinakable for 11KV grade UG cable end termination with 3 core Aliminium conductor complete along with jointing material complete all as specified and as directed of size 240 Sqmm Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 71 above here-in-before but of size 120 to 185 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 71 above here-in-before but of size 95 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

M & L for outdoor type ,jointing kit,heat shrinakable for 11KV grade UG cable end termination with 3 core Aliminium conductor complete along with jointing material complete all as specified and as directed of size 240 Sqmm Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 74 above here-in-before but of size 120 to185 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 74 above here-in-before but of size 95 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

M & L for outdoor type Straight through ,jointing kit,heat shrinakable for 11KV grade UG cable with 3 core Aliminium conductor complete along with jointing material complete all as specified and as directed of of size 240 Sqmm Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 77 above here-in-before but of size120 to 185 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

All as per item no 77 above here-in-before but of size 95 Sqmm complete all as specified and as directed. Make:- Densons/ M-Seal/ Birla-3M/ CCI

Disconnection & Removing the unserviceable steel tubular poles and Supply & erect Steel tubular swaged poles 11.00 metres long ISI marked complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-55 complete all specified and as directed. Note:- Excavation, PCC, returning filling, pole painting and numbering will be measured and paid sepertely under relevant of items of Sch A.

Cement concrete in foundations, filling and mass concrete Type C2 1:3:6 using 40 mm graded aggregate complete all as specified and as directed.

Cement concrete in coping, filling and mass concrete Type B1 1:2:4 using 20 mm graded aggregate complete all as specified and as directed.

Disconnection and removing the unserviceable earth conductor and S&F earth continuity conductor 25x4 mm galvanised iron strip buried in ground / fixed on pole / drawn in 40mm dia light grade GI pipe complete all as specified and as directed.

Disconnection & Removing the unserviceable Aluminium conductor/jumper wires from the HT 4 Pole structure and M & L for New Aluminium overhead conductor jumpers sorrounded by PVC insulation sleeves with R,Y& B color code complete all as specified and as directed. Note : (1) All the jumper wires should be replaced with New jumper wires (2) Type of conductor used for jumper shhould be RABBIT. (3) Cost deemed to be include for all the misc work such as Nut,bolts, washers, welding etc. for satisfactory completion of job . (4) Min clearance should be maintained among the conductors as per the Electricity Regulations. (5) Zero percent Sag should be maintained for each jumper wire to avoid short ckts.

All as per item No 84 above here-in-before but for 3 Pole structures complete all as specified and as directed.

All as per item No 84 above here-in-before but for 2 Pole structures complete all as specified and as directed.

M & L for painting to HT Steel tubular poles 11 mtr height by scapping the existing painting and repainting after due preparation of surface and applying a coat of primer i.e. red oxide complete with another coat of Aluminium paint complete all as specified and as directed.

om sai enterprises (BID ID -3106926)

MAYUR ELECTRIC SERVICES (BID ID -3114980)