REPAIR/RENEWAL OF E/M ITEMS AND ALLIED WORKS AT MIL STN DHANA UNDER AGE(I) DHANA

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and as directed.

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling, hand punning down complete all as specified and as directed. Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply & laying unreinforced precast concrete cable cover class HVP type 1, with peak shape, dimension 300 mm X 180 mm X 40 mm and 65 mm peak thickness as per IS 5820: 1970 complete all as specified and as directed.

Supply and fixing, polymer composite pin type insulator for 11 KV, complete with necessary items with nuts, bolts, washers etc. Including taking down existing old unserviceable pin type insulator all as specified and directed. Make: Pactil/Jaipuria Brothers/Rashtriya/Bhel. complete all as specified and as directed.

Note:-(i) Polymer pin insulator shall be replaced in place of porcelain pin insulator at the same cross arm after opening of ACSR conductor and providing binding wire and making the system electrically sound. (i) Type of insulator-Pin type (ii) Standard to which the insulators manufactured and tested-IEC-61109. (iii) Name of material used in manufacture of the insulator with class/grade-Polymeric. (iv) Material of core- E- ECR Glass. (v) Material of housing & weather sheds content by weight- 80% Polymeric. (vi) Material of end fitting- SGCI Casting. (vii) Colour-Grey/Red. (viii) Normal System voltage- 11 KV (rms). (ix) Highest system Voltage- 12 KV (rms). (x) Dry power Frequency withstand Voltage-40 KV (rms). (xi) Wet power Frequency withstand Voltage-28 KV (rms). (x) Dry flashover Voltage- As Per IS-61109. (xi) Wet flashover Voltage- As Per IS-61109. (xiii) Dry Lightning impulse withstand Voltage (a) Positive-95 KV (peak), (b) Negative-120 KV (peak). (xiv) Dry Lightning impulse Flashover Voltage (a) Positive and Negative- As per IS-61109. (xv) RIV at 1 MHz when energized at 10 KV / 30 KV (rms) under dry condition-<130 Microvolt. (xvi) Creepage Distance - 300 MM. (xvii) Minimum failing load-5 KN. (xviii) Weight of insulator-860 GM Approx. (xix) Dia of FRP ROD- 16MM. (xx) Length of FRP ROD-200 MM (xxi) Dia of weather sheds-90 MM. (xxii) Thickness of housing-3 MM. (xxiii) Dry arc Distance-170 MM. (xxiv) No of weather sheds-3. (xxv) Type of weather sheds-Aerodynamic. (xxvi) Methods of fixing of sheds to housing-Vulcanizing. (xxvii) Specify single modular or modular construction- Transfer injection moduling.

Supply and fixing, polymer composite Disc insulator for 11 KV, complete with necessary items with nuts, bolts, washers etc. Including taking down existing old unserviceable pin type insulator all as specified and directed. Make: Pactil/Jaipuria Brothers/Rashtriya/Bhel. complete all as specified and as directed.

Note:-(i) Polymer composite disc insulator shall be replaced in place of porcelain disc insulator at the same cross arm after opening of ACSR conductor and providing binding wire and making the system electrically sound. (i) Type of insulator-Polymeric composite Disc insulator. (ii) Standard to switch insulators manufactured and tested-IEC-61109. (iii) Material of FRP Rod- Boron free ECR. (iv) Material of shed-Silicon Rubber. (v) Material of end fitting-SGCI/MCI. (vi) Type of metal end fitting- Tongue and Clevis. (vii) Material of sealing compound-RTV silicon. (viii) Colour of sheds-Grey. (viii) Normal System voltage- 11 KV (rms). (ix) Highest system Voltage- 12 KV (rms). (x) Dry power Frequency withstand Voltage-60 KV. (xi) Wet power Frequency withstand Voltage-35 KV. (x) Dry Power Frequency flashover voltage-75 KV. (xi) Visible discharge Voltage- 9 KV. (xii) Wet Power Frequency flashover voltage- 45 KV. (xii) Dry Lightning impulse withstand Voltage (a) Positive-75 KV (peak), (b) Negative-80 KV (peak). (xiv) Dry Lightning impulse Flashover Voltage (a) Positive-95 KV, (b) Negative-100 KV. (xv) RIV at 1 MHz when energized at 10 KV / 30 KV (rms) under dry condition-<50 Microvolt. (xvi) Creepage Distance - 320 MM. (xvii) Minimum failing load- 45 KN. (xviii) Dia of FRP ROD- 16 MM. (xix) Length of FRP ROD- 200 MM (xx) Dia of weather sheds- 100 MM. (xxi) Thickness of housing-3 MM. (xxii) Dry arc Distance-170 MM. (xxiii) Methods of fixing of sheds to housing-Injection moulding. (xxiv) No of weather sheds (min)- Three. (xxv) Type of weather sheds-Aerodynamic. (xxvi) Specify single modular or modular construction- Transfer injection moduling.

Supply and fixing, polymer composite Disc insulator for 33 KV, complete with necessary items with nuts, bolts, washers etc. Including taking down existing old unserviceable pin type insulator all as specified and directed. Make: Pactil/Jaipuria Brothers/Rashtriya/Bhel. complete all as specified and as directed.

Note:-(i) Polymer composite disc insulator shall be replaced in place of porcelain disc insulator at the same cross arm after opening of ACSR conductor and providing binding wire and making the system electrically sound. (i) Type of insulator-Polymeric composite Disc insulator. (ii) Standard to switch insulators manufactured and tested-IEC-61109. (iii) Material of FRP Rod- Boron free ECR. (iv) Material of sheds - Silicon Rubber. (v) Material of end fitting-SGCI/MCI. (vi) Type of metal end fitting- Tongue and Clevis. (vii) Material of sealing compound-RTV silicon. (viii) Colour of sheds-Grey. (viii) Normal System voltage- 33 KV (rms). (ix) Highest system Voltage- 36 KV (rms). (x) Dry power Frequency withstand Voltage- 95 KV. (xi) Wet power Frequency withstand Voltage-75 KV. (x) Dry Power Frequency flashover voltage-130 KV. (xi) Visible discharge Voltage- 27 KV. (xii) Wet Power Frequency flashover voltage- 90 KV. (xii) Dry Lightning impulse withstand Voltage (a) Positive-170 KV, (b) Negative-180 KV. (xiv) Dry Lightning impulse Flashover Voltage (a) Positive-210 KV, (b) Negative-230 KV. (xv) RIV at 1 MHz when energized at 10 KV / 30 KV (rms) under dry condition-<70 Microvolt. (xvi) Creepage Distance - 900 MM. (xvii) Minimum failing load- 70 KN. (xviii) Dia of FRP ROD- 16 MM. (xix) Length of FRP ROD- 425 MM (xx) Dia of weather sheds- 110 MM. (xxi) Thickness of housing-3 MM. (xxii) Dry arc Distance-380 MM. (xxiii) Methods of fixing of sheds to housing-Injection moulding. (xxiv) No of weather sheds (min)- Eight. (xxv) Type of weather sheds-Aerodynamic.

Disconnecting, taking out old unserviceable under ground cable of rated voltage 6.35 kV/ 11 kV, upto any size of nominal cross sectional area of main conductor, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for reuse or for taking credit complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 120 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

Taking down, opening/ stripping off the transformer, 11KV/0.433KV, up to 250KVA capacity draining of oil, lifting the core and coil assembly for identification of defects, washing and cleaning dust, dirt & sludge deposit etc making internal connection, servicing the tap changer and reassembling the transformer after repair work, providing new cork sheet gasket packinng 5mm thick, nuts, bolts and washers etc. as required filling fresh transformer oil and testing including transportation from sub station to work shop and back, complete all as specified and directed. Note. Supply of defective parts shall be measured and paid separately under relevent item of the schedule.

Filtration, Dehydration, reconditioning of transformer oil by using filtering equipment, vacuum dehydrator etc. to obtain minimum break down voltage of 60 kV and maximum water content of 30 mg/kg as per IS 1866: 2017 and IEC 60422: 2013 complete all as specified and as directed.

M&L in repairs for insulating oil (Transformer) confirming to IS 355 and topping up/replacement of transformer oil duly filtered to withstand dielectric strength 60KV or above (when tested with 2.5mm gap electrode), complete all as specified and directed.

S & F 12 kV or 17.5 kV/ 250 A HT bushing with copper stem including both porcelain parts and metal parts with accessories as per IS 3347 Part 3 (section 1 & 2) complete all as specified and as directed.

S & F upto and including 1.1 kV/ 250 A LT bushing with copper stem including both porcelain parts and metal parts with accessories as per IS 3347 Part 1 (section 1 & 2) complete all as specified and as directed.

Supply only oil level indicator clean prismatic type suitable for transformer upto 250KVA with necessary gasket etc. complete all as specified and directed.

Supply only 11KV grade brass nuts, check nuts, washers etc for transformer upto 250KVA capacity complete all as specified and directed.

Supply only 11KV grade brass studs with brass nuts, washers etc for transformer upto 250KVA capacity complete all as specified and directed.

M&L in repair cable jointing kit for 11KV(earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following sizes complete all as specified and directed. (a) 120 Sqmm to 185 sqmm

(b) 50 Sqmm to 95 sqmm

M&L in repair cable jointing kit for 11KV(earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following sizes complete all as specified and directed. (a) 120 Sqmm to 185 sqmm

(b) 50 Sqmm to 95 sqmm

M&L in repair lightening arrestor suitable for 11KV expulsion type complete with all fittings, transmission class, discharge capacity 65KA, including taking down old unserviceable complete all as specified and directed.

S&F in repair transformer breather assembly oil seal type make of heavy transparent plastic body having top and bottom cover made of aluminium or ,mild steel of capacity 500grams filled with silica gel fixed in replacement complete all as specified and directed.

Dismantling danger notice plate any type and size and setting aside for re-use or removing to store or for schedule of credit complete all as specified and as directed.

Supply and fixing danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed.

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

M&L for stay assembly with stay rod of diameter 20mm complete with all accessories as shown in electrical Plate No 1 (excavation and concrete measured separately) complete all as specified and as directed.

Dismantling air break gang operated switches vertical/horizontal mounted, drop out fuse assembly, any rating, any type including insulators and operating mechanism, carrying to MES store or taken on schedule of credit complete all as specified and as directed.

Supply, testing and commissionin gang operated air break switch, three phase, outdoor type, nominal system voltage 11 KV rated voltage 12 KV, rated normal current 200 Amps, rated frequency 50 HZ, horizontal type rated one minute power frequency withstand voltage between (i) Earth & poles 28 KV (rms). (ii) Across the isolating distance 32 KV (rms), rated lightning impulse withstand voltage. (iii) To earth and between poles 75 KV (Peak). (iv) Across the isolating distance 85 KV (Peak), rated short-time withstand current 25 KA for 3 seconds, rated peak withstand current 63 KA for climatic conditions at the site, mechanically operated mounted on polymer insulator and steel frame with operating mechanism comprising of 25mm dia heavy duty GI pipe, locking arrangements, mounting system required nuts and bolts worked from ground level complete in all respect including all minor accessories screws, 7 lever lock laminated operating handle etc complete all as specified and as directed.

Dismantling, re-erecting, restringing tensioning and repair to overhead line ACSR conductor of any size upto 5 conductors in one span as required on poles LT / HT including fixing insulators and jointing with ACSR conductor complete all as specified and as directed.

Dismantling cross-arms of mild steel channel or angle sections etc. complete and setting aside for re-use or removing to store or for schedule of credit complete all as specified and as directed.

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

Dismantling ACSR or AAC conductors removing to store or taken on schedule of credit complete all as specified and as directed.

Supply, fixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of aluminium paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and as directed.

M&L for preparation of old painted surface of transformer of capacity upto 250KVA complete all as specified as per approved colour by Engr-in- Charge after painting re-write the name, capacity number without disturbing the supply complete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 3 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m.

Painting to existing steel tubular HT poles, 11mtr long including cross arms, channels angle iron support, bracings complete etc. with two coats of aluminium paint superior quality of approved make on surface exposed to view and making 30cm wide strips(total 5Nos) with yellow and black paint altenately on external surfaces above PCC benching including preparation of old painted surfaces by scrapping etc complete an all as specified and directed.

Dismantling of 33KV HT indication panel at MRS and refixing after repair/replacement of the following unsv parts complete all as specified and directed:- (a) Rewiring of DC connections (b) Over current relay (c) Indication Lamp

M & L for earthing complete with galvanised steel plate earth electrode 600 mm x 600 mm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 25 mm x 4 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M 15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M 15 (Nominal Mix) using 20 mm nominal size coarse aggregate of size 40 cm x 40 cm x 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia CPVC pipe schedule 40 grade for watering, 40 mm dia CPVC pipe schedule 40 grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/strata and testing and making test report for record, complete all as specified and as directed.

M/S JAINENDRA KUMAR JAIN (BID ID -3176446)