REPAIR/MAINTENANCE OF TRANSFORMER, VCB, DO FUSES, PANEL BOARD AND ALLIED WORKS OF HT NETWORK AT SAA UNDER GE (S) TEZPUR

Amount

Excavation in trenches n.exc 1.5m wide and n.exc and 1.5 mtr in depth getting out in in soft/loose soil complete all as specified and directed

All as per item No. 1 above but exceeding 1.5 mtr and not exceeding 3 mtr in depth.

Returning and filling including spreading, leveling, watering and well ramming in layer n.exc 25 CM thick in soft/loose soil complete all as specified and directed

Removing excavated material to a distance not exc. 50 mtrs and deposting where directed at a level not exceeding 1.50mm above the starting point complete all as specified and directed

Supply and laying natural river sand as cushioning of cables, including spreading and punning down all as per clause No 3.21 of SSR part -I complete all as specified and directed Note : punned thickness will only be measured for payment purpose.

Supplying and laying reinforced precast concrete cable cover, but class HV, Type 1, flat, size 300mmx180mmx 40mm complete all as specified and directed.

Taking down Unsv UG Cables/AB Cable of any dia from ground/poles complete all as specified and directed.

Supply,Laying ,testing, and commissioning size 3x120 sqmm cross-sectional area XLPE insulated, screened, PVC bedded, galvanised steel strip armoured heavy duty electric cable with aluminium conductor 11000 volts grade, in tranches / fixing on wall by saddel/ fixing on poll / drawn through GI pipescomplete all as specified and directed

Supply,Laying ,testing, and commissioning size 3x95 sqmm cross-sectional area XLPE insulated, screened, PVC bedded, galvanised steel strip armoured heavy duty electric cable with aluminium conductor 11000 volts grade, in tranches / fixing on wall by saddel/ fixing on poll / drawn through GI pipes complete all as specified and directed

Supply,Laying ,testing, and commissioning size 3x95 sqmm cross-sectional area Aerial Bunch Cable with H4 grade Aluminium, with extruded semi conductor screen, XLPE insulation, Insulation screen Non-metallic extruded semi conducting layer, insulation screen metallic applied helically over the non metallic layer, sheath PVC type ST2, with messanger conductor of one run of ACSR of nominal dia 55 sqmm , heavy duty 11000 volts grade, fixing on poles including all its hardware accessories such as suspension hook, insulator, suspension clamp, rubber insert etc including taking down Old unsv ABC cable complete all as specified and directed.

Dismantling of Steel tubular poles / struts any size complete all as specified and directed

M & L Steel tubulr swaged poles complete with cast iron base plate, finial tapr plug, bolts, nuts and screws as specified type 410 SP-55, 11 metres long complete all as specified and directed.

M & L angle iron 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.

M&L for cement concrete type D2, 1:4:8 (using 40 mm graded sto agg.) in foundations, filling and mass concrete complete all as specified and directed

M&L for cement concrete type C1 1:3:6 (20mm graded aggregate) in or mud stops, rounded or chamfered on edges etc complete all as specified and directed

M&L for cement concrete type D2, 1:2:4 (using 12.5 mm graded sto agg.) for coping above ground level of steel electric pole concrete complete all as specified and directed

M & L for Broken Stone or Boulders Hardcore of Gauge not exc. 63mm, deposited, spread and levelled in layers not exc. 150mm thick, watered and rammed to a True Surface, complete all as specified and directed.

Taking down Insulators Polymer / Porcelein complete all as specified and directed.

S & F composite polymer type pin insulator for 11 KV overhead line including all its accessories complete all as specified and directed

M & L composite polyme Disc type insulator, ball and socket type with tension clamps and all hardware components for conductors, working pressure fit for 11000 volts complete all as specified and directed

S & F composite polymer type post insulator for 11 KV overhead line including all its accessories complete all as specified and directed

S & F composite polymer type pin insulator for 33 KV overhead line including all its accessories complete all as specified and directed

M & L composite polyme Disc type insulator, ball and socket type with tension clamps and all hardware components for conductors, working pressure fit for 33KV complete all as specified and directed.

M & L Composite Polymer Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11 KV to fix it on the Pole with continuity conductor upto earth terminal including taking down unsv LA complete all as specified and directed

M & L Composite Polymer Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 33 KV to fix it on the Pole with continuity conductor upto earth terminal including taking down unsv LA complete all as specified and directed.

M & L Composite Polymer Air Break switch gang operated Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps fit for 11 KV with all accessories including taking down unsv GOD Complete all as specified and directed.

M & L Composite Polymer Air Break switch gang operated Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps fit for 33 KV with all accessories including taking down unsv GOD Complete all as specified and directed.

S & F in repair Male Contact/ moving contact blade of Air Break Switch 11 Kv complete all as specified and directed

S & F in repair Female contact/ fixed contact Jaw of Air Break Switch 11 Kv complete all as specified and directed

S&F MS jumper Carrierof Air Break Switch 11 Kv complete all as specified and directed

S&F Back contactor Plateof Air Break Switch 11 Kv complete all as specified and directed

M & L Composite Polymer Expulsion type Drop Out fuse single pole 11 KV , above 50 Amps upto 100 Amps including MS channel for fixing it with the pole including taking down old unsv DO fuse complete all as specified and directed.

Material and labour for painting of steel tubular pole 11 mtr long, including cross arms bracing supports etc complete by applying two coat of synthetic enamelled paint (colour will be chose by EIC) after surface preparation, marking of pole numbers and making 3 Nos of black colour strip 30 cm wide on equal distance from coping complete all as specified and directed

Supply & Fix syntheic mat of size 2m x 1m x 19 mm including taking out old Unseveciable Syntheic mat complete all as specified and directed

Supply and Fix 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 MS clamps, bolts and nuts of approved size, for 25x15cm size complete all as specified and directed.

Supply and fix Cable jointing kit for 11KV grade cable for Outdoor End termination heat shrink type complete with Jointing material and acceesseries suitable for 3 core are XLPE armoured at conductor cable of size 120 to 185 sq mm all as specified including Disconnecting and cutting down the existing old unserviceable / worn out cable end joint Kit 11 KV grade indoor termination cold shrink type complete all as specified and directed make- M- Seal/DENSON

All as per Item No 37 above but for 50 to 95 Sqmm

All as per Item No 37, here-in-before but for Indoor End termination 120 to 185 Sqmm

All As per Item No 37 here-in-before but for Indoor End termination 50 to 95 Sqmm

All as per Item No 37 here-in-before but for outdoor End Termination Aerial Bunch Cable of 50-95Sqmm

Supply and fix Cable jointing kit for 11KV grade cable for Outdoor Straight through joint, Heat shrink type complete with Jointing material and acceesseries suitable for 3 core are XLPE armoured at conductor cable of size 50 to 95sq mm complete all as specified and directed make- M- Seal/DENSON

All As per Item No 42 above but for 120 to 185 Sqmm

All as Per Item No 42 above but for outdoor Straight through Joint of Aerial Bunch Cable

Disconnecting all in coming and outgoing cables, removing the transformer of capacity 100-150 KVA from the platform / two pole structure / floor and loading it in the vehicle carefully using crane and transporting it to the contractor's workshop, carry out the required repairs and transport the transformer back to the site , install it, reconnect all the incoming and out going cables by properly crimping using lugs of suitable size lugs, taping the LT / HT bushes / bus bars, using LT / HT insulation tape and testing complete of following capacity complete all as specified and directed Note :- (a) Shifting and fixing transformer from own arrangent temporarily from MES Area to that area ( Back up Transformer will be provided by MES) (b) The cost of transportation of 2 transformers between Existing location and the Workshop is deemed to be included in the unit price. (b) Gasket set, LT/HT side porcelein / ceramic bushing, spindle for HT/LT side , rewinding, dehydration of oil (if required) shall be measured and paid separately in respective items.

All as per Item No 45 above but for capacity 200-315 KVA capacity

All as per Item No 45 above but for capacity 400-500 KVA capacity

S & F brass spindle for terminal on HT side threaded complete with nut, washers etc of suitable dia for transformer of of capaicty 100-150 KVA complete all as specified and directed

All as per Item No 48 here-in-before but for capacity 200-315 KVA capacity

All as per Item No 48 here-in-before but for capacity 400-500 KVA capacity

All as per Item No 48 here-in-before but for LT Side & capacity 100-150 KVA capacity

All as per Item No 48 here-in-before but for LT Side & capacity 200-315 KVA capacity

All as per Item No 48 here-in-before but for LT Side & capacity 400-500 KVA capacity

Material and labour for filtration of transformer oil of Capacity 100 KVA to 2.5 MVA with ultra high vacuum filteration machine and checking dielectric strength (BDV), dielectric dissipation factor, neutralizing value (total activity) 55-60 KV with 2.5 mm Gap sludge content, flush point of transformer oil from Standard Testing Laboratory all as specified .Refilling the transformer oil in the shell of transformer after carrying out filtration and heating up oil to achive reqd dielectric strength and submitting the test result before and after filteration of oil in presence of Engr- in- charge on proper proforma duly signed.

Supply and fill Transformer oil with high viscosity , high resistance to oxidation & thermal stability mainting BDV Value of 55-60 KV in 2.5mm rod gap complete all as specified and directed . MAKE-CASTROL/INDIAN OIL/HPCL

S & F dehydrating breather for 100-150 KVA transformer with dehydrating agent (Silica gel) including taking down existing breather complete all as specified and directed

All as per Item No 56 above but for 200-315 KVA transformer

All as per Item No 56 above but for 400-500 KVA transformer

Supply and fix ceramic bushing on HT side of transformer of capacity 100-150 KVA complete all as specified and directed (Make : Mysore Potteries/BHEL)

All as per Item No 59 here-in-before but for 200-315 KVA transformer

All as per Item No 59 here-in-before but for 400-500 KVA transformer

All as per Item No 59 here-in-before but for LT side of 100-150 KVA transformer

All as per Item No 59 here-in-before but for 200-315 KVA transformer

All as per Item No 59 here-in-before but for 400-500 KVA transformer

Supply and fixing in replacement of complete gasket (Cock sheet) 6 mm thick complete of capacity of following transformer including conical rubber bush for Transformer of capacity 100-150 KVA complete all as specified and directed

All as per Item No 65 above but for 200-315 KVA transformer

All as per Item No 65 above but for 400-500 KVA transformer

Material and labour for painting to 100-150 KVA transformer scrapping and removing oil paint and applying 01 coats of synthetic enamel paint by taking due care for HT/LT side supply complete all as specified and directed

All as per Item No 68 above but for 200-315 KVA Transformer

All as per Item No 68 above but for 400-500 KVA Transformer

Supply and winding of 11/0.433 KV HV coils,using new copper wire/strip of proper size including insulating materials (double insulation)as per existing size of core of transformer complete including heating , varnishing complete all as specified and directed

Supply and winding of 11/0.433 KV LV coils,using new copper wire/strip of proper size including insulating materials (double insulation)as per existing size of core of transformer complete incl heating , varnishing complete all as specified and directed

M & L for winding of 11/0.433 KV HV/LV coils coils,removing U/S insulating materials, double reinsulation with insulating papers using same copper strip and rewinding as per existing size of core of transformer complete incl heating , varnishing complete all as specified and directed

Calibration and testing of combined inverse time over current and intstantaneous relay, checking and cleaning / decarbonising its moving and fixed contacts and ensure physical healthyness with visual check for healthy tripping of over current and earth fault, adjusting tripping time, flag setting, ratio setting, instantaneous time setting etc as per installed capacity of transformer to be saved on maximum, short circuit current in accordance with percentage impedance of transformer with artificial current injection on primary side with current injection machine of HT VCB,s complete all as specified and directed Note : Spares / meters shall be measured and paid seperatly.

Overhauling/Repair of 33 KV VCB with panel, rated voltage- 36 KV cleaning of all parts, adjusting contacts, springs locking arrangements tripping coil circuits (closed/open) etc cleaning of CT and PT supporting insulators bush trolley auxiliary contact. Make female contact and check all wiring including minor item required for repair complete all as specified and directed

Overhauling/Repair of 11 KV VCB with panel, rated voltage- 36 KV cleaning of all parts, adjusting contacts, springs locking arrangements tripping coil circuits (closed/open) etc cleaning of CT and PT supporting insulators bush trolley auxiliary contact. Make female contact and check all wiring including minor item required for repair complete all as specified and directed

Overhauling/Repair of Float cum Boost Charger, cleaning of all parts, check all wiring , Checking Output Voltage, Checking entire DC Circuit from Charger to the panel Fuse including replacement of minor item required for repair complete all as specified and directed

S & F in repair 3 phase digital type Amp meter 0 - 200 Amps class 0.5 of size 96mm x 96mm to match the ratio of existing CTs complete all as specified and directed

S & F in repair 3 phase digital type Volt meter 0 - 11 KV class 0.5 of size 96mm x 96mm to match the ratio of existing PTs complete all as specified and directed

S & F in repair 3 phase digital type Volt meter 0 - 33 KV class 0.5 of size 96mm x 96mm to match the ratio of existing PTs complete all as specified and directed

S & F in repair Programmable numerical inverse time over current / earth fault relay suitable for VCB 11/12 KV of make ABB Model No - REJ-601 or Equiv of Kirloskar / Areva complete all as specified and directed

S & F in repair Epoxy Resin Body for switchgear VMX type 11 KV VCB, 630 Amp complete all as specified and directed Make- Areva or Equivalent

S & F Top clamps with hardware (pair) R/B phase 630 / 800 Amps complete all as specified and directed.

S & F Top clamps with hardware (pair) Y phase 630 / 800 Amps complete all as specified and directed.

S & F in repair Half collar (Pair) of VCB 630 Amps complete all as specified and directed

S & F in repair Brass nut of VCB 630 Amps complete all as specified and directed

S & F in repair Spider for VCB 630 Amp complete all as specified and direted

S & F in repair Epoxy Resin Spout bushings assembly fit for 11 KV VCB panel complete all as specified and direted

S & F in repair Gromet VCB 630 Amp complete all as specified and direted

S & F in repair Drive insulator with M10 Nyloc Nut for VCB 630 Amp complete all as specified and direted

S & F in repair Drive Beam (Pair) VCB 630 Amp complete all as specified and directed

S & F in repair closing coil assembly 110 volt for VCB complete all as specified and directed

S & F in repair tripping coil assembly 110 Volt for VCB complete all as specified and directed

S & F in repair TNC switch , 110 Volt complete all as specified and directed

S & F in repair vacuum interrupter suitable for VCB VMX type 630/400A Model. VG2 BW524/99/Ro Make -Areva or equivalent

S & F in bakelite HRC fuse base with carrier 32A, 415 V with HRC fuse 5 amps complete all as specified and directed.

S & F in repair Buffer for VCB 11KV complete all as specified and directed.

S & F in repair push button actuator 1 No element, 22.5 mm dia (TCH) assembly complete all as specified and directed

M& L for replacement of PG clamps made out of cast aluminium and tinned copper suitable for 33 KV isolator/CT/PT/ Transformer end termination complete all as specified and directed

Dismantling / Taking down of cradles hexagonal / rectangular fabricated with galvanised steel wire any shape and size complete all as specified and directed

Material and lobour for cradles hexagonal / rectangular fabricated with galvanised steel wire 3.15 or 4 mm dia complete all as specified and directed

Stringing / restringing only existing cradles hexagonal / rectangular, GI earthing wire of any shape and size complete all as specified and directed

Labour for checking & rectifying High Tension (11KV/33KV) fault location by disconnecting Jumper, Climbing the pole, checkin of insulators etc at any location, any time round the clock in SAA complete all as specified and directed. Note:- 1. The cost of materials used shall be measured and paid separately 2. The labourers shall be available round the clock of 24 hours a day. 3. The cost of use of tools and safety equipments is deemed to be included in the unit rate.

Supply, fixing / stringing Aluminium conductor steel rainforced of any type and size on existing steel tubular / PCC poles including winding, jumpering with alkathine pipe etc complete all as specified and as directed.

Labour for restringing/tilting, clamping, bending, jumpering etc to remove excess sag of loose ACSR overhead line using essential T&P such as manila rope, puller and teipod etc upto permissible sag between two poles continuously upto termination point including trimming/cutting to small tree branches girth not exc 30cm upto minimum 2 Mtr clearance, tightening to stay stand in proper angle complete all as specified and directed Note- 1. Three runs of ACSR shall be measured as one unit. 2. Span Between two consecutive poles shall be measured as one unit. 3. The cost of use of required tools and safety equipments is deemed to be included in this unit price.

NOTES :- 1. For the items for which specifications not mentioned any where in the tender, the IRC specifications shall be followed. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule "A" notes for details.

M/S GOSWAMI ENGINEERING

M/S KUMAR CONSTRUCTION

M/S S.S.Corporation

M/s. M. G. Babloo Das

M/S T D Enterprises