Repair Maintenance Of 11 Kv Ht Elect Installations Incl Connected Items Such As Transformers , Ht Servo Stabilizers , Vcbs , Ct Pt , God , Do Fuses And Control Cables Etc At Haft Chinar , Tattoo Ground And Sonamarg Under Age E M Of Ge 970 Ews

Tender Notice

27906278
Corrigendum : Repair Maintenance Of 11 Kv Ht Elect Installations Incl Connected Items Such As Transformers , Ht Servo Stabilizers , Vcbs , Ct Pt , God , Do Fuses And Control Cables Etc At Haft Chinar , Tattoo Ground And Sonamarg Under Age E M Of Ge 970 Ews
Indian
Jammu And Kashmir
05-06-2021
12-06-2021
14-06-2021

Tender Details

Repair Maintenance Of 11 Kv Ht Elect Installations Incl Connected Items Such As Transformers , Ht Servo Stabilizers , Vcbs , Ct Pt , God , Do Fuses And Control Cables Etc At Haft Chinar , Tattoo Ground And Sonamarg Under Age E M Of Ge 970 Ews

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 27-May-2021 Amendment in Tender Documents Other 05-06-2021
2 05-Jun-2021 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 12-06-2021

Key Value

Document Fees
INR 500 /-
EMD
INR 37000.00 /-
Tender Value
INR 18.50 Lakhs /-

BOQ Items

Name of Work : REPAIR/MAINT OF 11 KV HT ELECT INSTALLATIONS INCL CONNECTED ITEMS SUCH AS TRANSFORMERS, HT SERVO STABILIZERS, VCB'S, CT/ PT, GOD, DO FUSES AND CONTROL CABLES ETC AT HAFT CHINAR, TATTOO GROUND AND SONAMARG UNDER AGE E/ M OF GE 970 EWS
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Excavation in trenches n.exc 1.5m wide and n.exc 1.5m deep and getting out in any type of soil for laying of cable, errection of pole, stays etc complete all as specified and directed by Engineer-in-charge. 13.5 Cum
2 2 Excavation in trenches exceeding 1.5m wide and n.exc 3 mtr deep and getting out in soft /loose soil for laying cables/ pipes/erection of poles etc, complete all as specified and directed by Engineer-in-charge. 0.4 Cum
3 3 Returning, filling in soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick, complete all as specified and directed by Engr-in-Charge. 7.5 Cum
4 4 Removing surplus soil to a distance not exceeding 50mtr and deposited where directed at a level not exceeding 1.50 mtr above the starting point, complete, all as specified and directed by Engr-in-Charge. 6 Cum
5 5 Supply & spreading in trenches clean dry sand including gently punning around cable, etc complete all as specified and directed.\n(Note: Punned thickness shall be measured) 2.6 Cum
6 6 Sub class ‘B brick, old size, as cable protection cover, laid dry, flat, transversally along the length of cable, on sand cushioning, with width equal to the length of the brick, complete all as specified and directed by Engr-in-Charge. 0.35 1000 per nos
7 7 S & F in trench/on wall in repairs GI tubing light grade for road crossing and cable protection respectively complete all as specified and directed by Engr-in-charge.
8 7.01 80 mm dia 12 RM
9 7.02 100 mm dia 12 RM
10 8 Plain cement concrete (1:4:8) type D-2 (using 40mm graded crushed stone aggregates) as in foundation of pole etc all specified and directed. 0.1 Cum
11 9 PCC 1:3:6 type C-2 using 40mm graded stone aggregate as in foundation filling and mass concrete for stay and pole complete all as specified and directed. 1 Cum
12 10 M & L for PCC 1:2:4 type B-1 using 20 mm graded stone aggregate including use and waste of form work for coping of pole and stay foundation complete all as specified and directed by Engr-in-charge. 1 Cum
13 11 Dismantling old and unserviceable pre stressed concrete /Steel poles any type including breaking cement concrete complete, Material and erection of steel tubular swaged pole with cast iron base plate finial tapper plug, bolts nuts and screws and specified type 410-SP-55 ( 11mtr long) in truly vertical position 1.5 m length of pole above ground level shall be painted with two coats of synthetic enamel paint in strips of 30 cm width, black and yellow alternatively and painting with two coats of aluminum paint over a coat of red oxide primer on rest part of pole and its connected parts complete all as specified and directed by engir-in charge. (note- Excavation and PCC shall be measured and paid seperately ) 4 Each
14 12 Dismantling of existing old unserviceable ACSR of any size from any descritpion, material and labour for providing new ACSR conductor all as specified and directed incl stringing through existing RCC poles, fixing in insulators, jumpers with polythene pipe, aluminium binding wire etc complete of different sizes complete all as specified and directed by engr-in charge.\nNote : Rates for new Aluminium cable terminal lugs are included in this rate. 3 Qtl
15 13 S&F (in repair) 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 paint complete all as specified and directed by Engr-in-Charge. 2 Qtl
16 14 Dismantling old unserviceable stay assy complete, material and labour for new stay assembly complete with 20 mm dia stay rod with accessories shown in electric plate No 01 incl stay clamp, (loop insulator, stay wire, excavation and concrete measured seperately) complete all as specified and directed by engr-in charge. 6 Per set
17 15 S & F in repairs Disc type porcelain vitreous, brown or white insulator suitable for 11 KV HT working Pressure of size 150 mm height, 150 mm dia , including. one galvanised mild steel spindle, two galvanised iron washer and one GI nut complete all as specified and directed by engr-in charge 9 Each
18 16 S & F in repairs Pin type porcelain vitreous,brown of white insulator suitable for 11 KV HT of working pressure of size 150mm height, 100mm dia, including one galvanised mild steel spindle, two galvanished iron washer and one GI nut complete all as specified and directed by engr-in charge. 9 Each
19 17 S & F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed by engr-in charge.. 6 Each
20 18 S & F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed by engr-in charge.. 3 Each
21 19 S& F in repair Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed by Engr-in-Charge. 4 Each
22 20 XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power UG cables (heavy duty) with aluminium conductor HT cable, 11000 volts, grade cross sectional area 95 sqmm 3 Core including taking down old unserviceable ACSR conductor, complete all as specified and directed by Engr-in-Charge. 200 RM
23 21 Re- Stringing only existing HT 11/33 KV / LT OH line / Jumpers including dismantling of existing old binding wire for tightneing complete. \nNote: (a) Restringing of each wire shall be measured as in RM. \n(b) Supply only binding wire shall be measured and paid separately. 1500 RM
24 22 S & F in repairs drop out (DO) fuse unit expulsion type outdoor three pole 200 Amp suitable for HT 11 KV, comprising of insulators, steel base mounting frame , GI nut bolts etc with 30A , HT barrel type fuse complete all as specified and directed by engr-in charge. 2 Each set
25 23 S & F in repairs incl testing, and commissioning of gang operated type air break switch horizontal / vertical type type mounting complete, double break and operation rod of suitable length 400 A capacity and suitable for 11 KV HT supply, complete all as specified and directed by engr-in charge. 4 Each set
26 24 Trimming of tree branches touching to the LT/ HT over head line or near to the HT /LT over head line as per the direction of AGE E/M/JE incharge complete including removing the tree branches. \nNotes:-\n (i) Written shut down shall be obtained from concerned JE/AGE (E/M) before cutting of tree branches touching to the LT/HT over head lines or near to the LT/ HT over head lines.\n(ii) Span from one pole to next pole will be considered as a one Job. \n(iii) Any damage cause due to contractor men will be rectified without any extra payment. \n(iv) T & P such as ladder, rope, cutter, Axes and other related tools shall be provided by the contractor. 90 Each Span
27 25 S & F in repairs insulating rubber mat ISI marked of size 1 m x 2 m x19mm suitable for 11 KV at 33 KV MRS Old Air Field complete all as specified and directed by engr-in charge. 7 Each
28 26 M & L for PVC sleeves suitable for LT / HT ACSR conductor / jumper in any type in R Y B Colours superior quality inserted over the ACSR complete all as specified and directed by engr-in charge. 30 RM
29 27 Disconnecting 11KV/433 Volts distribution transformer of capacity 25 KVA to 100 KVA by removing overhead connection/underground cables and earth strips etc. Installation of transformer after repairs, making all connections, testing and recommissioning to full satisfaction of Engr-in-charge. Taking out the transformer from any substation using suitable capacity crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the transformer after repairs, transportation to site and unloading including placing at given position, complete all as required at site or as directed by Engr-in-Charge.\nNote : All the T&P required for disconnection, connection, loading and unloading including necessary petty items like bolts, nuts etc will be arranged by the contractor and rates for the same deem to be included in the rates quoted.\n 3 Each Job
30 28 Disconnecting 11KV/433 Volts distribution transformer of capacity 160 KVA to 500 KVA by removing overhead connection/underground cables and earth strips etc. Installation of transformer after repairs, making all connections, testing and recommissioning to full satisfaction of Engr-in-charge. Taking out the transformer from any substation using suitable capacity crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the transformer after repairs, transportation to site and unloading including placing at given position, complete all as required at site or as directed by Engr-in-Charge.\nNote : All the T&P required for disconnection, connection, loading and unloading including necessary petty items like bolts, nuts etc will be arranged by the contractor and rates for the same deem to be included in the rates quoted.\n 3 Each Job
31 29 Repair to transformer step down 11KV/0.433 KV indoor/outdoor type of cap 25 KVA to 100 KVA, after dismantling the transformer carefully, opening the top cover of transformer for inspection /repair, draining out the transformer oil from the housing complete, taking out the core and winding assembly by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers , replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing guage, insulating the winding connection by using fire proof sleeve and fire proof tape, varnishing the coil, keeping the coils in electric oven chamber for 24 hrs to remove the moisture, painting of complete transformer body from outside and inside by spray gun, marking of MES/SM Number etc, replacement of conservator tank glass, re-installing the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated transformer oil, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, meggering the LT and HT side of the transformer and testing complete all as specified and directed by Engr-in-Charge.\nNote :- (i) Winding wire including labour for making of coils and supply of new spare for replacement of UNSV spare will be measured & paid separately.\n(ii) Painting of transformer shall be measured and paid separtaely.\n(iii) Dehydration transformer oil will be measured and paid separately. 3 Each Job
32 30 Repair to transformer step down 11KV/0.433 KV indoor/outdoor type of cap 100 KVA to 250 KVA, after dismantling the transformer carefully, opening the top cover of transformer for inspection /repair, draining out the transformer oil from the housing complete, taking out the core and winding assembly by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers , replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing guage, insulating the winding connection by using fire proof sleeve and fire proof tape, varnishing the coil, keeping the coils in electric oven chamber for 24 hrs to remove the moisture, painting of complete transformer body from outside and inside by spray gun, marking of MES/SM Number etc, replacement of conservator tank glass, re-installing the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated transformer oil, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, meggering the LT and HT side of the transformer and testing complete all as specified and directed by Engr-in-Charge.\nNote :- (i) Winding wire including labour for making of coils and supply of new spare for replacement of UNSV spare will be measured & paid separately.\n(ii) Painting of transformer shall be measured and paid separtaely.\n(iii) Dehydration transformer oil will be measured and paid separately. 3 Each Job
33 31 Supply and filling of fresh transformer power oil of BDV not less than 50 KV for topping up of reduced level due to evorapation/ leakage/ loss due to dehydration in HT 33 KV transformer/HT 11 KV AVR /Distribution transformer 100 to 600 KVA complete including removing of old unserviceable transformer oil, complete all as specified and directed by the Engr-in-Charge.\nMake: Powerlink/poweroil/Savita/Midel 1000 Ltrs
34 32 M & L for conducting oil filtration by stream line / Vacuum type filter machine to remove the moisture/carbon particles to improve required BDV of oil 50 to 60 KV for 1 min for power transformer & as BDV of oil 40 to 50 KV for 1 min for distribution transformer incl routine testing after filtration for any capacity of transformers/AVR/CT/PT units all as directed. (Note : The contractor shall change the filter assy before starting the filtration of transformer / AVR in presence of Engr In charge) Note : Necessary documents should be submitted by the contractor to Engr In Charge. 1600 Ltrs
35 33 Supply only for replacement of silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 25 KVA to 63 KVA transformer, complete all as specified and directed by the Engr-in-Charge. 2 Each
36 34 Supply only for replacement of silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 100 KVA to 250 KVA transformer, complete all as specified and directed by the Engr-in-Charge. 10 Each
37 35 Painting the outer surface of the transformer with two coats of anti corossive heat resistance emulsion paint after preparing the surface dust and oil free and cleaning the bushes, name plate including writing the MES/SM No with white enameled paint all as directed for capacity of transformer 100 KVA to 500 KVA (indoor/outdoor type), complete all as specified and directed by the Engr-in-Charge. 4 Each Job
38 36 Earthing complete with galvanised steel earth plate electrode 600x600x6mm buried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6mm size by means of bolts ,nuts, check nuts and washers of galvanised iron and 32x6mm GI strip protected by provision of GI light grade pipe 40 mm bore incl provision of concrete pit in PCC1:2:4 type B-1, using 20 mm graded stone aggregates with 40 mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg /Sqm and 6mm dia bar handle, excavation and earth work in any type of soil, charcoal dust and salt light grade GI watering pipe 20 mm bore with funnel and wire mesh and medium grade GI protection pipe 15mm bore 5 Mtr long and GI strip upto main earthing of pole complete all as shown in electrical plate No 3 of MES Sch 2009 Part-I all as specified and directed. \nNotes:- \n(i) Main earthing strip from earth plate electrode to test point upto length of 7.5 metres length shall deem to be included in the unit rate quoted against this item.\n(ii) GI protection pipe & earthing lead beyond 7.5 metres shall be measured and paid for separately under appropriate item of Sch A part-I.\n(iii) On testing after completion if desired resistance is not obtained, the contractor shall redo the earthing without any extra cost to the department. 18 Each
39 37 Replacement of off load tap changer for distribution transformer of any make and capacity from 100-500 KVA, complete all as specified and directed by the Engr-in-Charge. 6 Each
40 38 M&L for super enamelled copper conductor wire of suitable gauge and size as per requirement for rewinding the HT/LT transformer / HT AVR of any capacity / any make complete all as directed. 750 Kg
41 39 Supply only for replacement of bush type white, brown and green insulator including one galvansied mild steel spindle, two galvanised iron washers and one galvanised iron nut 150mm high, 150mm dia for 11000 volts grade, complete all as specified and directed by Engr-in-Charge. 9 Each
42 40 Supply only for replacement of bush type white, brown and green insulator including one galvansied mild steel spindle, two galvanised iron washers and one galvanised iron nut 150mm high, 150mm dia for 433 volts grade, complete all as specified and directed by Engr-in-Charge. 9 Each
43 41 Material and labour for servicing 33/11KV VCBs installed at various locations including calibration by dismantling, cleaning, greasing the complete VCB with attached relays, bus bar etc, insulation testing, setting the contractor gap by measuring as required, reassembling the VCB and reinstalling back to its original position checking repairing the current, circuit panel wiring, relay testing (i.e. Primary and Secondary injection test)/setting of relay rating in 06 months intervals of all CT's and submitting the test report to Engr in Charge including provision of new spares as required complete including operational testing and commissioning all as directed.\nNote: New spares, if required for repair/service of VCBs will be measured and paid separately. 4 Job
44 42 M & L for carrying out primary & secondary injection test of 33 KV or 11 KV indoor /outdoor type current transformer (Set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition, all relay testing and proper functioning incl submitting the test report all as directed by Engr in charge. (Note : PIT/SIT for VCB will be carried out in 6 months intervals and each primary & secondary injection test will be measured and paid) 4 Each
45 43 Supply only for replacement of the following spares for VCBs 33/11 KV of any make all as directed:-
46 43.01 Clossing coil 24/30V DC 2 Each
47 43.02 Tripping coil 24/30V DC 2 Each
48 43.03 Anti pumping device 24/30V DC 2 Each
49 43.04 Digital type Earth Fault & over current relay equivalent of L&T Mode No MC61A 24-110V 2 Each
50 43.05 Digital type power factor indicator meter 1 Each
51 43.06 Digital type voltmeter/Ammeter 96x96 mm size 3 Each
52 43.07 LED type indicator lamp assembly 3 Each
53 43.08 Spout incoming/outgoing side for VCB 11 KV 1 Each
54 43.09 Gear system assy complete with hanle for charging/ discharging of VCBs 2 Set
55 43.1 Spring charging DC motor assembly complete 3 Each
56 43.11 Metering and protection current transformer epoxy/ resin filled of 11 KV grade of ratio 100-50/5 class=5P, 10/1.25 VA draw out type with necessary mouting and connected items. 6 Each
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