CA NO CWE/CHD-83/2020-21 REPAIR AND MAINT OF STEP DOWN TRANSFORMERS 11 KV/433 VOLTS, VCBS, HT LOAD BREAK SWITCH, GODs, LA, HT OH LINES AND HT UG CABLE AT N AREA AND HALLOMAJARA UNDER GE CHANDIGARH

Amount

Excavation in trenches in soft & loose soil not exceeding 1.5 metre deep and not exceeding 1.5 mtr width and getting out soil including forming bottom surface to required slope/gradient for laying cables/pipes etc. all as specified and directed by Engineer-in-Charge including removing cable protection PCC covers/ bricks & stacking serviceable covers / bricks for reuse and disposal of unserviceable covers within 50 m complete all as specified and directed.

Excavation in trenchs exc. 1.5 mtr in depth and n.exc 3 mtr depth and getting out in any type of soil complete all as specified and directed.

Excavation in trenchs .exc. 3 mtr in depth but not exceeding 4.5 mtr in depth for earthing and getting out in any type of soil complete all as specified. Note for item 1 to 3 :- Excavation to be carried out manually all as specified and as directed by Engineer -in-charge . The bottom of the earth pit should not exceed to 90x30x90 cm.

Returning, filling in (soils) including spreading, leveling, watering and well ramming in layers of 25 cm thick after the cables etc. are laid, jointed and tested complete all as specified and directed by Engineer-in-Charge.

Removal of surplus excavated (Soils) not exceeding 50 Mtr distance and depositing where directed by Engineer-in-Charge at a level not exceeding 1.5 m above the starting point complete all as specified.

Material & labour for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches/ducts for cable protection complete all as specified and directed by Engineer-in-Charge.

Supplying & Laying un-reinforced pre cast flat concrete cable protection cover of class HV, type I, size 300mm x 180mm x 40mm, factory made, complete all as specified and directed by the Engineer-in-Charge.

Supply and laying of class B bricks for under ground cable protection as directed by Engineer- in - charge

Relaying PCC cable cover /bricks for cable protection complete all as specified and directed.

Taking down Exiting Unsv PCC pole incl demolition of foundation (PCC) of any description and setting aside,all as directed by Engr in charge

Dismantling of ACSR or AAC conductors and setting aside for reuse or issue under sch of credit complete all as specified and directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50m complete all as specified and directed.

Dismantling insulators any type, any size complete all as specified and directed.

Dismantling stay assembly complete.incl demolition of concrete, etc complete all as specified and directed.

Dismantling & taking down of existing worn out / unserviceable GI wire of any description /size & in any position from existing HT Lines including cradle guard wires all as specified & directed.

Disconnecting & taking out old existing serviceable HT cable of size upto 120 Sqmm 3 core of any description and in any position from trench/duct and stacking properly for relaying after repairing and making joints etc.or issue under schedule of credit, complete all as specified and directed by the Engineer-in-Charge.

Fixing only old serviceable cross arm of MS channel or angle section dismantled under item ser No 12 above complete including painting with two coats of synthetic enamelled paint over a coat of red oxide complete all as specified and directed.

Fixing only old serviceable insulators dismantled under item ser No 13 above complete all as specified and directed.

Labour only for fixing of old serviceable aluminium conductor, steel reinforced (ACSR) dismantled under item No 11 of any size/description on HT poles/lines including stringing, tightening, binding to insulators with aluminium wire making and connecting jumpers, connections etc including connecting, commissioning and testing complete all as specified & directed by Engineer-in-Charge.

Supply ,laying, jointing and testing 11 KV (Earthed), aluminum conductor, screened, XLPE insulated, armoured shielded and PVC sheathed cables conforming to IS 7098 (Part-II) amended upto date having cross sectional area 120 Sqmm 3 core complete all as specified and directed by the Engineer-in-Charge. Note :- Earth work, sand cushioning, pipe and PCC cable protection cover shall be measured and paid separately)

All as per Item No.20 above but cable of size 95 Sqmm 3 core complete all as specified and directed.

Relaying only old existing serviceable HT cable of size upto 120 Sqmm 3 core of any description and in any position after repairing and making joints etc. complete all as specified and directed by the Engineer –in-Charge.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for indoor termination, Heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sq mm including taking down old unserviceable complete all as specified and directed.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for outdoor termination, Heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sq mm to 95 Sq mm..including taking down old unserviceable complete all as specified and directed.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for indoor termination, heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 Sq mm..including taking down old unserviceable complete all as specified and directed.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for outdoor termination, heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sq mm..including taking down old unserviceable one complete all as specified and directed.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for straight through, heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sq mm to 95 Sqmm complete all as specified and directed.

Supply , jointing and testing cable jointing kit of 11 KV grade cable for straight through, heat shrink type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 Sq mm including taking down old unserviceable complete all as specified and directed.

M&L cable route indicator for HT 11 KV cable of size 4" dia Round plate with stand of angle Iron duly marked with HT 11 KV /MES including necessary PCC for fixing complete all as specified and directed.

Supply and fixing on HT pole danger notice plate for HT 11KV/33KV of size 25 cm x 20 cm , 1.6mm thick mild steel sheet vitreous enameled white with letters, figure and conventional skull & bones “DANGER” etc. in signal red colour and fixed with MS clamps made out of 25mmx3mm MS flat iron, nut, bolts complete all as specified and directed.

M&L for Supply, erecting and fixing in true vertical position, steel tubular swaged pole (410 SP-55), 11 mtr long, complete with cast iron base plate, pole cap / finial taper plug, bolts, nuts and washers, welded reduced section and longitudinal weld throughout entire length of pole with and including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole finished with one coat of red oxide primer complete all as specified and directed by Engr-in-Charge. Note: Earthwork,PCC work in foundation& coping of pole, Cross arms, danger notice board and anti climbing device shall be measured and paid separately complete all as specified and directed.

Material, fabrication and labour for cross arms, bracing, supports, clamps and back plates fabricated from structural steel sections inclidng nuts, bolts, washers , welding, bending cold or hot, driling holes for bolts, in and shape or size as indicated or directed and inclusive of one primer coats and two under coats of synthetic enamel paint complete all as specified and directed.

Anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified and directed.

M & L for HT 11KV grade insulation heat shrink sleevs 20mm dia complete all as specified and directed.

Supply and fixing pin type porcelain, vitreous, white, brown or green insulators, including one galvanized mild steel spindle two galvanised iron washers and one galvanised iron nut, 150mm height and 150mm dia suitable for working pressure upto and including 11000 volts grade for HT lines fixed on poles complete all as specified and directed.

Supply and Fixing disc type insulator, porcelain, vitreous 145 mm height and 225 mm dia ball and socket type white/brown or green two in series assembly for tension with tension clamps for conductors working pressure 11000 volts grade complete all as specified for HT lines fixed on poles complete all as specified and directed.

Re-stringing of existing ACSR conductor of any size on pole, along with earth wire, jumper ring, binding etc all as required at site and directed. Note : Four lines of conductor will be considered as one length complete all as specified and directed.

Triming of tree branches and making clearances from electric lines and poles ACSR conductors (approx 10 mtrs from electric lines) complete all as specified and directed.

Material & labour for supply and fixing of aluminium conductor, steel reinforced (ACSR) of any size/description on HT poles/lines including stringing, tightening, binding to insulators with aluminium wire making and connecting jumpers, connections etc including connecting, commissioning and testing complete all as specified & directed by Engineer-in-Charge.

Material and labour for supplying, stringing and fixing GI continuous GI earth wire of size 4 mm / 3.15mm dia on HT poles as in cradle guards / earth wires etc including binding and taking down old crodded GI wire complete all as specified & directed.

Dismantling existing worn-out 11 KV out door type gang operated air break switch triple pole & Disconnecting from existing system and Supply and installation and testing 11 KV outdoor type , gang operated Air-break switch triple pole mechanically operated ,mounted on insulator and steel frame with operating mechanism worked from ground level with suitable dia of GI pipe (Med. grade) operating rod of suitable length with an ON-OFF position capacity 200 amps complete with expulsion/ dropout fuse unit 3 pole with 03 Nos barrel fuses & 12 insulator connected with new ACSR conductor (jumper) duly connected with incoming and out going with Steel nut bolts and washers all as specified and directed.

Disconnecting the exsiting 11 KV outdoor type gang operated air break switch carring out the repairs which includes changing the flexible copper strip of rating 75 Amp capacity, changing the Male/Female contacts, springs, greasing , welding & drilling work etc refixing in position & testing to check the system on full load complete all as specified and directed. Note : - (a) Contractor shall visitied the site to asses the repair involved before quoting the rate . (b) Spares / material required in repair will be masured & paid seperately under relvent item as the supply only.

Supply only post top insulator suitable for 11 KV Air brake swicth 11 KV Drop out fuse complete all as specified and directed.

Suppy only Tinned copper flexible strip (Jumper) suiatble for 11 KV Air brake Swicth complete all as specified and directed.

Supply only male contact for 11 KV Air brake swicth complete all as specified and directed.

Supply only female contact for 11 KV Air brake swicth complete all as specified and directed.

Supply only MS Strip operating mechanism (Jumper Carrier) for GOD insulator complete all as specified and directed.

Supply only terminal clamp suitable for 11 KV out door AB switch complete all as specified and directed.

Supply and fix MS sheet 5 mm thick for transformer HT/ LT side cable box cover ,including cutting as per site requirement, drilling, welding,painting with two coats of good quality synthetic enameled paint over a coat of primer complete all as specified and directed. Note: MS box cover shall be provided with PU gasket and suitable size cable gland to ensure IP 66 protection. Rate quoted shall be deemed to be inclussive of the said provision.

Supply and fix MS bolts fully threaded with nut and washer off sizes with zinc oxide coated complete all as specified and directed.

Supply and fix in repair Lightning arrester single pole zinc oxide (Gap less) surge type suitable for use in effectively earthed system with nominal voltage 12 KV and shall comply with IS : 3070 (part -3) 1993 complete all as specified and directed.

M&L for stay assembly for HT poles comprising of 20mm dia, 2.15 mtr long galvanized stay rod , having 7 / 3.15mm GI stay wire stranded and 300mm X 500mm X 6mm thick MS stay plate, complete all as shown on electrical plate No 1 of SSR, Part-I with and including all necessary fittings/accessories like loop type insulator overall dimensions 90mmx140mm, clearance of hole 25.5mm, shackle & stay clamps made out of 50x6mm MS flat iron, complete all as specified and directed by Engineer-in-Charge including taking out and dismantling old unserviceable stay assembly. Note : Necessary excavation and earth work in soft/loose soil and PCC works in (1:3:6) type C-2 (using 40mm graded stone aggregate) shall be measured and paid separately.

Material and labour for cleaning and preparation of all existing steel surfaces of steel tubular poles 11mtrs long for painting including mild steel cross arms, clamps and street light brackets, MS boxes etc and applying one cost of aluminium paint all round the exposed steel surfaces of existing steel tubular poles of any description and in any position above the height of 1.50 mtr from the plinth of the pole and applying one coat of synthetic enameled paint of different colours in strips of 150mm width upto the height 1.5 mtr from the plinth of pole including writing pole No and other sign works with white paint over black painted base in the pattern and style as approved by the Engineer-in-Charge complete all as specified & directed. Note : Size of black painted base for numbering shall be 100mmx25mm and the size of numbers shall be not exceeding 10cm height complete all as specified and directed.

All as per Item No. 53 above but double pole (Two pole structure) complete all as specified and directed.

All as per Item No. 53 above but four pole (Four pole structure) complete all as specified and directed.

Disconnecting and taking out old existing unserviceable/ corroded GI tubing 100mm bore of any description and Supplying, laying & jointing GI tubing, 100 mm bore, Light grade as in sleeving etc laid in trenches / ducts / horizontal bore hole complete all as specified and directed by Engineer-in-Charge.

All as per Item Ser No 56 here-in-before but GI pie of size 80 mm dia complete all as specified and directed.

All as per item Ser No 56 here-in-before but GI pie of size 40 mm dia (as protection pipe to earthing lead) complete all as specified and directed.

All as per item Ser No 56 here-in-before but GI pie of size 15 mm dia (as protection pipe to earthing lead) complete all as specified and directed.

M & L PCC (1:4:8) type D-2 (using 40 mm graded stone aggregate) for foundation of the pole complete all as specified and directed.

M & L PCC (1:3:6) type C-1 (using 20 mm graded stone aggregate) for coping of the pole including necessary form work complete all as specified and directed.

M&L cement concrete 100 mm thick Type D-2, 1:4:8 (40 mm graded stone aggregate as in repair of path for installations incl demolation of existing PCC.

Taking out old exhausted/unusable silica gel from the silica gel container and filling new silica gel complete all as specified and as directed.

Testing of transformer oil of each transformer before and after dehyderation and filteration of transformer oil , installed in different sites for its dielectric strength and submitting the test report to the department.complete all as specified and as directed.

Disconnecting defective outdoor/ indoor power distribution transformer of capacity 50 KVA to upto and including 200 KVA from HT/ LT sides draining out complete transformer oil & storing the same in suitable containers ( to be arranged by contractor ) opening the top cover and lifting up the core assembly carefully to check the condition of transformer winding core retanking the same after repair refilling the transformer oil after dehydration and filteration (dehydration and filteration to be paid separately) including checking of leakage of transformer body and welding works required for making transformer body leak proof transportation of transformer to and from site to work shop and re-installation the same at any site complete all as specified and directed. Note :- Dehydration and filtration and topping up of transformer oil shall be measured and paid separately under respective items.

Disconnecting defective outdoor/ indoor power distribution transformer of capacity 250 KVA to 500 KVA from HT/ LT sides draining out complete transformer oil & storing the same in suitable containers ( to be arranged by contractor ) opening the top cover and lifting up the core assembly carefully to check the condition of transformer winding core retanking the same after repair refilling the transformer oil after dehydration and filteration (dehydration and filteration to be paid separately) including checking of leakage of transformer body and welding works required for making transformer body leak proof transportation of transformer to and fro from site to work shop and re-installation the same at any site complete all as specified and directed. Note :- Dehydration and filtration and topping up of transformer oil shall be measured and paid separately under respective items .

M&L for replacement of burnt /defective HT copper coil with new one made out of super enamelled heavy duty copper wires of size matching to the existing one including varnishing, drying and insulating material in transformer complete all as specified and directed.

M&L for replacement of burnt /defective LT copper coil with new one made out of super enamelled heavy duty copper wires of size matching to the existing one including varnishing, drying and insulating material in transformer complete all as specified and directed.

M&L Replacement of existing defective HT tap changer of suitable size with tapping arrangement 2.5%to 7.5% and one normal tapping including connecting up with HT coil and testing of transformer capacity up to 200 KVA complete all as specified and directed.

M&L for replacement of existing defective HT tap changer of suitable size with tapping arrangement 2.5%to 7.5% and one normal tapping including connecting up with HT coil and testing of transformer capacity 250 to 500 KVA complete all as specified and directed.

M&L for replacement of synthetic rubberised cork sheet gasket 1/4" thick suitable for main body top cover of transformer. Capacity up to 200 KVA complete all as specified and directed.

M&L for Replacement of synthetic rubberised cork sheet gasket 1/4" thick suitablefor main body top cover of transformer. Capacity 250 to 500 KVA complete all as specified and directed.

M&L for replacement of defective/ cracked HT porcelain bushing (set of three) of suitable size for transformer upto 200 KVA including washers of good quality complete all as specified and directed.

M&L for Replacement of defective/ cracked HT porcelain bushing (set of three) of suitable size for transformer above 250KVA and upto 500 KVA including washers of good quality complete all as specified and directed.

M&L for replacement of defective/ cracked LT porcelain bushing (set of four) of suitable size of transformer upto 200 KVA including washers of good quality complete all as specified and directed.

M&L for replacement of defective/ cracked LTporcelain bushing (set of four) of suitable size of transformer above 250KVA and upto 500 KVA including washers of good quality complete all as specified and directed.

Supply and fix in repair HT bush rod made out of copper with brass nuts and washers of required length and dia (as per existing) including connecting up with HT coil of transformer upto 200 KVA complete all as specified and directed

Supply and fix in repair HT bush rod made out of copper with brass nuts and washers of required length and dia (as per existing) including connecting up with HT coil of transformer above 250KVA and upto 500 KVA complete all as specified and directed.

Supply and fix in repair LT bush rod made out of copper with brass nuts and washers of required length including and dia (as per existing) connecting up with LT coil of transformer upto 200 KVA complete all as specified and directed.

Supply and fix in repair LT bush rod made out of copper with brass nuts and washers of required length including and dia (as per existing) connecting up with LT coil of transformer above 250KVA and upto 500 KVA complete all as specified and directed.

Supply and fix in repair breather with transparent body of suitable size duly filled with fresh silica gel complete for transformers of cap 250 KVA upto 500 KVA complete all as specified and directed.

Supply and fix in repair breather with transparent body of suitable size duly filled with fresh silica gel complete for transformers of cap upto 200 KVA complete all as specified and directed.

M&L taking down silica gel container from transformer and heating the silica gel at sufficient temperature to remove the moisture from it including refiting the same as per position complete all as specified and directed.

Dehydration and filteration of existing transformer oil using transformer oil filteration plant to eliminate foreign particles and to improve di-electric strength upto 50 KV at 2.5mm electrode gap and to bring the acidity within the permissible limit complete all as specified and directed.

Supply and filling transformer oil for topping up the level of oil/ new filling, having dielectric strength 40 - 60 KV during filling after initial filteration, conforming to relevent IS-335 (Transformer oil to be supplied in sealed container) complete all as specified and directed.

Painting of transformer upto 200 KVA capacity with good quality synthetic enameled paint using spray gun with compressed air on complete external portion of transformer including preparation of surface by scrubbing, cleaning ,stains greasy spots, dusts etc, The painting of transformer shall be carried out in situ ie. on four pole structure or in sub station at different places including writting SM/MES number complete all as specified and directed.

All as per item ser No 86 above but transforemr of cap 250 to 500 KVA complete all as specified and directed.

Repair to arresting of leakage from worn out spindle (rod) / bushing/ tap changer etc of any capacity transformer indoor/ outdoor type of any make & model, in position by disconnecting electric connection as required from HT/LT side cable box or bushing or jumper, opening of top cover with the help of mechanical Machine/ men power, drain out tranformer oil up to required level and to replace worn out spare / component with new one incuding replacement of UNSV gas kit set of top cover and making necesary internal & external connection, refilling drain out oil etc complete all as specified

All as per item No 88 here in before but arresting of oil leakages from body / tubes fins etc. Note: for item No 88 &89 any spares required will be measure paid under respective items of this schedule complete all as specified and directed.

PG clamp suitable for upto 50 Sqmm copper conductor complete all as specified.

Disconnecting indoor/outdoor transformer of capacity 200 KVA to 500 KVA 11KV/430 volts from HT/LT side, lifting the transformer from the existing sub station/ plinth and shifting of transformer to new location not exceeding 750 metre and refixing the transformer at new location and making all the HT/LT side connections and testing complete all as specified and directed. Note :- Installation of transformer, testing and connecting the both HT & LT cables, commissioning of transformer after checking voltage and loading the transformer at full load all as specified and directed shall be deemed to be included in quoted rates.

Disconnecting and taking out existing unserviceable current transformer of any description and in any position and Supply, installation, commissioning and testing of indoor epoxy rein type 11 KV current transformer copper wound having ratio of 150-/5A having burden of 10 VA and breaking cap of 18.4 KA for 1.0 second all as specified and directed.

Disconnecting of unsv Potential transformer from metering box, Supply, testing and installation Potential transformer copper wound indoor epoxy resin type of ratio PT of ratio 11KV/√3/110V/√3. Burden : 10 VA accuracy class 0.2- Nos and burden of 10 VA all as specified and directed.

Disconnecting and taking out existing unserviceable current transformer of any description and in any position and Supply, installation, commissioning and testing of indoor epoxy type 11 KV current transformer having ratio of 100-5-/5A having protection core class 1P10, IL-28/75kv burden of 10 VA and breaking cap of 18.4 KA for 1.0 second all as specified and directed.

All as per item ser No 94 here in before but CT ratio 60-1/1A and burden 2.5VA complete all as specified and directed.

All as per item ser No 94 here in before but CT ratio 40-1/1A and burden 2.5VA complete all as specified and directed.

Disconnecting defective voltage stabilizer indoor type servo controlled , oil cooled 3 phase of capacity 50 KVA to upto and including 125 KVA draining out complete stabilizer oil & storing the same in suitable containers ( to be arranged by contractor ) opening the top cover and disconecting unsv servo motors , lifiting up core assembly carefully to check the condition of widing and core . Retanking the same after repair refilling the transformer oil after dehydration and filteration (dehydration and filteration to be paid separately) including checking of leakage of transformer body and welding works required for making transformer body leak proof transportation of transformer to and from site to work shop and re-installation the same at any site complete all as specified and directed.

S&F in repair single phase AC servo motor(as per sample) suitable for voltage stabilizer of cap 125 KVA complete all as specified and directed.

S&F in repair IC based solid state relay for voltage stabilizer of cap 125 KVA complete all as specified and directed.

S&F fix in repair plug in control card (PCB) for 3 phase servo controlled voltage stabilizer of cap 125 KVA complete all as specified and directed.

M&L for replacement of synthetic rubberised cork sheet gasket 1/4" thick suitablefor main body top cover of transformer. Voltage stabilizer of cap 125 KVA complete all as specified and directed.

M&L for replacement of defective/ cracked porcelain bushing (set of four) of suitable size of voltage stabilizer of cap 125 KVA including washers of good quality complete all as specified and directed.

Supply and fix in repair bush rod made out of copper with brass nuts and washers of required length including and dia (as per existing) connecting up with coil of voltage stabilizer of cap 125 KVA complete all as specified and directed.

Demolition of RCC security fencing post any type any description and stacking properly at a distance n.exc 50 mtr for resue or issue under schedule of credit complete all as specified and directed.

Dismantling of plain or corrugated asbstos cement sheeting from roof any type any description , stacking properly at a distacne n.exc 50 mtr for reuse or issue under sch of credit complete all as specified and directed.

M&L for Mild steel work of angle iron section or any section as in posts & struts for cattle/security fencing/ including cutting top to shape, drilling holes, notching for wires etc, flat iron fillets (for securing wire mesh etc) including 12 mm dia round running bar as in fencing post, including all necessary drilling, bolting or riveting etc and similar work conforming to Fe-410-w( GraeE-250quality –A) complete all as specified and as directed by Engineer –in- charge

M&L for Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 as in repair complete all as specified and directed.

S & F Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

Demolition of cement concrete (unreinforced)/interlocing blocks in ground floors and paving n.exc 15cm thickness (below or above ground level) complete all as specified and directed by Engineer-in-charge.

M & L for 100 mm thick PCC (1:4:8) type D-2 using 40mm thick stone aggregate as in sub base complete all as specified and as directed by Engineer-in-Charge.

M & L for interlocking tiles machine pressed 60mm thick pre-cast cement concrete (M-35) inter locking tiles any colour and shape (confirming to ISI-15658-2006) bedded over 50 mm thick sand cushioning and joint filled with sand complete all as specified and directed by Engineer-in-charge. Note :- (i) Demolation of PCC if any shall be measured and paid separately under item ser No 86 above (ii) Serviceable interloccking tiles shall be relayed and shall be measured and paid separately.

All as per item ser No 111 above but of size 80 mm thick.

Fixing/laying only interlocking tyles any thickness bedded over 50 mm thick sand cushioning and joint filled with sand complete all as specified and directed

Taking down existing unsv sign board any type and material and labour for Informatory sign board of size 1000mm x600mm made out of 2mm thick Stainless steel sheet fixed on Stainless steel sheet frame of ractangular shape 45mmx25mm fixed on stainless steel pipe 50mm dia 2.25mtr long vertical member-2nos ,including letter writing (100 to 150 words) , logo/drawing/schematic diagram made with computerized printing of fully retro reflective with high intensity prismatic tape pasted on sheet with single side writing including vertical pipe emmebedded in 0.30x0.45mtr in PCC (1:3:6 ) type C-1 complete all as specified and directed by the Engineer-in-charge Note : (i)The cost of Excavation post hole, earth work , PCC for foundation etc shall be deemed to be included in the unit rate of this item. Nothing extra shall be admissible on this account.(ii) The letter size of Main heading shall be minimum100mmx10mm and sub heading letter size shall be minimum 50mmx5mm.(iii) The drawing and colour of writing work shall be got approoved by Engineer in charge.

Taking out existing damage/unservisable PVC insulated, armoured, aluminium conductor 1100V grade cable of any size and core from trenches, pipes, walls and/or poles, stagging properly testing for serviceability of cable, cutting and segregating serviceable portion for relaying & depositing unservisable cable in MES store yard complete all as specified . Note: Excavation and earthwork shall be measured and paid for separaetly

Supply & Laying of PVC insulated,armoured heavy duty, electric cable with stranded aluminum conductor of size 3.5 core 240 sqmm 1100 volts grade, laying in trenches, passing through pipes, fixed along walls and/or poles complete all as specified.

All as per item no 116 above but cable of size 185 Sq.mm, 3.5 core complete all as specified and directed.

All as per item no 116 above but cable of size 150 Sq.mm, 3.5 core complete all as specified and directed.

All as per item no 116 above but cable of size 120 Sq.mm, 3.5 core complete all as specified and directed.

Dismantling and taking out old unsv unsv corroded earthing any description complete earth pit cover in all respect and making good the disturbed surface complete all as specified and directed.

Supply and laying GI earth plate of size 60cmx60cmx6 mm thick (having drilled two nos holes of dia 10 mm one at centre and other in between top and centre for fixing of GI strip/ GI wire any size ) laid vertically in centre of a earth pit of depth 4.5 Mtrs complete al as specified and directed. Note for Item No 121 to 123, 125 & 126. Hole suitable for 10mm dia bolt for connecting of earth strip with earth plate shall be done with power drill only.

Supply and fixing GI Strip of size 32x6 mm with GI earth plate under item ser no 121 above complete al as specified and as directed.

Supply and fixing GI Strip of size 25x4 mm with GI earth plate under item ser no 121 above complete al as specified and as directed.

Supply and fixing GI wire of size 4 mm with GI earth plate under item ser no 121 above complete al as specified and as directed.

Supply and laying Copper earth plate of size 60cmx60cmx3.15 mm thick (having drilled two nos holes of dia 10 mm one at centre and other in between top and centre for fixing of Copper strip/coper wire any size ) laid vertically in centre of a earth pit of depth 4.5 Mtrs complete al as specified and as directed.

Supply and fixing Copper Strip of size 25x4 mm with Copper earth plate under item ser no 125 above complete al as specified and as directed.

Supply and fixing GI bolt( full thread) ,Nut and wahsers of size 10 mm thick 25 mm long Note :( One GI bolt,one nut and two nos washers shall be considered as one set)

Supply and fixing GI pipe medium grade of size 15 mm bore complete all as specified and directed.

Supply and fixing GI watering funnel with wire mesh complete all as specified and directed.

Supply and filling sea salt in earth pit complete all as specified in SSR part -I and as directed by Engr-in-Charge

Supply and filling charcoal dust in earth pit complete all as specified in SSR part -I and as directed by Engr-in-Charge

Supply and filling bentonite powder in earth pit complete all as specified in SSR part -I and as directed by Engr-in-Charge.

M&L PCC 1:3:6 Type C-1 using 20 mm graded black trap/granite/baslt stone including necesary form work for new earth/ repair of earth pit complete all as specified in SSR part I and as directed by Engr-in-charge.

Precast RCC type B-1 (1: 1 ½ : 3), using 20 mm graded stone aggregates landings, cover slabs (for manholes etc.) /earthing and similar articles with plain faces including all mouldings but excluding frame, set in cement mortar 1:4 complete all as specified. incl form work and demolation of old unsv cover Note :- Reinfrocement shall be measured & paid separetly.

MS TMT bars 6 to 8 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia all as directed and specified.

Disconnecting and taking out old U/S battery charger and Supply ,Installation, Testing and commissioning of 24 Volt DC ,low maintenance type chargeable stationary battery set comprising of 12 cells of 02 volts each having 100 Amp hour capacity batteries including battery charging set of adequte capacity and control equipment in sheet steel cabinet of 2.0 mm Thick floor mounted type suitable for input of 230 volts single phase 50 Hz AC complete with internal & External wiring of all components accessories, all as specified for 11 KV VCB panels, with complete control wiring ( for connecting the DC tripping system to HT 11 KV VCB panel board of TOP N AREA complete )wiring shall be of copper conductor single core and size not less than 2.5 Sqmm complete. (control wiring up to VCB panel shall be inclusive in this item)

M & L for minor repair like replacement of fuse of suitable capacity, re-stretching, restringing, tightening & jointing of broken HT conductors in routine/natural calamity to ensure uninterrupted power supply of the HT overhead lines from MRS to various distribution transformers of 'N' Area, Hallomajra and Hallomajra to 'N' Area complete all as specified and directed.

Taking down the existing relays (Three phase over current and earth fault relays) fixed in 11KV HT panels and supply and fixing, and testing (Three phase over current and earth fault relays) model No M 61 A Aux supply 110 volt with (2NO+2NC ) CT rating current 1 Amp to 5 Amp complete cat part No MC61AAXX001 of L&T or equivalent make specified in Appx 'B'.

Locating of HT 11 KV under ground cable fault by providing fault locating machine (hiring of machines) and qualified licence holder Engineers at N , K Area & Hallomajra Area as directed by Engr in charge.

Servicing, caliberation and testing of over current and earth fault protection relay provided with 11 KV, 400 Amps/630 Amps VCB/SF-6 indoor type control panel and control wiring protection system and relays by primary & secondary injection system all as directed including testing of battery bank/battery charges/ DC system,rectification of fault if any all as specified and directed

Material and labour for maintenance and servicing of 100 KVA Compact substation MAKE -ABB,by cleaning complete Transformer, HT Input side including M&L replacement of 11KV HT load brake switch as per existing,renewal of burnt/heated thimbles etc,servicing LT side by renewal of all thimbles as per existing size,cleaning the panel with carbon tetra chloride solution, renewal of door hinges and making doors properly operational incuding welding job as required at site all as directed by Engineer in charge.

Disconnecting & taking out non functional VCB of any description and any make of rating 11 KV, 400 Amps/630 Amps dismantling / opening of the VCB for servicing / overhauling, taking out and removing unserviceable/defective parts including cleaning & servicing, greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling / servicing and its testing complete all as specified and directed by Engineer-in-Charge. (Note :- The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of Sch `A’ as `supply only ‘)

Supplying, laying, jointing and testing cable XLPE insulated IS 7098 (Part-I)-1988 marked, screened, PVC sheathed, armoured electric power cable (heavy duty) with copper conductor for working voltage upto and including 1100 Volts, cross sectional area of 4Sqmm 6 core laid in trenches/fixed on pole/wall / passed through pipe complete all as specified and directed by Engineer-in-Charge.

Supply only following spare parts for 11 KV Sub stn and VCB, 400/630 Amps capacity indoor type of Make: SEIMENS/ ABB/CROMPTON or equivalent make specified in Appx 'B'. Note :(i) Fixing & testing element of following item is deemed to be included under Sch `A’ item No 142 above. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item).

Vaccum Interrupter type WL-33379 of Crompton /ABB/SEIMENS or equivalent make specified in Appx 'B'. complete all as specified and directed.

Spring Charging motor 24 volts DC as per Existing Make and specification complete all as specified and directed.

Set of 6 Nos flexible connectors complete all as specified & directed.

Closing coil assembly 30 Volt to 110 Volt complete all as specified and directed.

Tripping coil assembly 30 Volt to 110 Volt complete all as specified and directed.

PG Clamp complete all as specified and directed.

LED Indicator lamp (RYG) 110 Volt complete all as specified and directed.

LED Indicator lamp (RYG) 30 Volt complete all as specified and directed.

Heating element with thermostat switch 150Watt compact type complete all as specified and directed.

Operating handle for trolly, lowering/raising suitable for any capacity of VCB as per sample complete all as specified and directed.

Tinned copper fuse wire 18/20 SWG complete all as specified and directed.

Gear assembly suitable for VCB 400/630 Amp complete all as specified and directed.

Supply and laying High voltage Insulating ELECTROMAT of thickness 3 mm ISI marked for system volatage 11 KV and breakdown volatage 65 KV made of elastomeric polymers material having high insulation resistance of size 1 Mtr x 5 Mtr complete all as per IS 15652 : 2006.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine for inserting of 100 mm GI pipe . Note :1. Length of bore hole under road /pavement shall be as per site reqirement. 2. GI pipe shall be measured and paid separately under respetive item.

Servicing of 11 KV load break switch after taking proper shut down and make sure that naional safety norms are followed. Carrying out visual inspection, Inspeting of HT Load break switch cleaning of all moveable and fixed parts using vaccuum cleaner, mild alkaline cleaning agent etc complete all as specified and directed.

Supply and fixing LED type solar street light fitting with following features/specification:- 1. Luminaire:- Aluminium housing LEDs for light source optics with high effeciency driver & MPPT charge controller, Excellent heat dessipation IP 65 protection, High birghtness and high efficiency of more than 120 lm/W new age LEDs, individual peanut optical lenses for uniform light distribution system output: 2200 Lm. 2. Solar Panel:- Polycrystaline solar cells. 3. Battery:- Inbuilt (LiFePO4) 12.8 Volts 40 AH Lithium battery , weather proof, long back-up ideal for cloudy conditions. 4. Pole:- Galvanised pole, Rigid and safe, corrossion free length 6 mtr. With optimum thermal management and heat sink design and microprocessor based charge controller and led driver maximizes the performance of panel & battery complete all as specified and directed.

GS Engineers

Electromech Engineers

Bharat Enterprises