NIT-32 of 2020-21REPAIR / MAINT OF LT / HT ELECTRIC SUPPLY, SECURITY LIGHTS, VOLTAGE STABILISERS, TRANSFORMERS, GOD, CONTROL PANEL AND OTHER MISC WORKS AT RAMBAN AND BANIHAL AREA UNDER GE (I) 873 EWS.

Amount

Excavating in trenches, not exceeding 1.5metre wide and not exceeding 1.5metre depth for foundation, etc., and getting out in any type of soil, complete all as specified and directed.

Excavating in trenches, not exceeding 1.5metre wide and exceeding 1.5metre depth but not exceeding 3.0metre depth for foundation, etc., and getting out in any type of soil, complete all as specified and directed.

Excavating in any type of soil for post holes (or similar holes) each not exceeding 0.5 cum and getting out and removing surplus soil to a distance not exceeding 50 metre complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick any type of soil, complete all as specified and directed.

Removing excavated soils to a distance exceeding 50m but not exceeding 100m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Cutting of existing road / hard standing for laying of GI protection pipe for cables, depth of trench not exceeding 0.75mtr, width of trench not exceeding 1.0mtr and making good by returning filling in (by well ramming and watering of soil in layers not exceeding 25cms), provision of 150mm thick sub base, 150mm thick WBM and thereafter 150mm thick PCC 1:2:4 type B-1 (using 20mm graded aggregate) including removal of surplus spoil to a distance not exceeding 50mtrs complete all as specified and as directed.

Cement concrete type D-2 1:48 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and directed.

Cement concrete type C-2 1:3:6 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and directed.

Cement concrete type B-1 1:2:4 (using 20mm graded crushed stone aggregate) as in coping of poles, complete all as specified and directed.

ERW or Induction butt weld MS tube black conforming to IS 1161-1979 grade Yst 240 as in post nominal bore 80mm including special shaped washer, fixed in repairs, complete all as specified & directed.

Mild steel rolled work as in roof trusses (framed), trussed, purlins, crane gantries, rails and fastening and heavy bracket framing (beam, tee, angle, square / rectangle sections, channel or flat section) including distance pieces, cleats etc. confirming to grade FE 410-0, fixed in repairs, complete all as specified & directed.

Mild steel plates (plain or chequered) channel, square cut or notched (Ordinary and counter sunk) forming holes, without any attachment as in gusset plates, fixed in repairs, complete all as specified & directed.

Mild steel screw bolts (Purpose made) with hexagonal or square heads at one end and screwed the other, or screwed the both ends, each screwed end to be fitted with washers and one hexagonal or square nut, 12 to 20 mm dia but length of bolt exceeding 30 cms but not exceeding 50 cm, complete all as specified and as directed.

Pre-painted galvalume aluminium zinc coating G.I based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 MPA as in roof covering, fixed with self taping screws, fixed in repairs, complete all as specified & directed.

Pre-painted galvalume aluminium zinc coating G.I based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 MPA as in roof covering / cladding to wall, fixed with self taping screws, fixed in repairs, complete all as specified & directed.

Preparation of new steel surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint, over a coat of red oxide primer, complete all as specified and as directed.

Steel Tubular swaged poles type 410 SP-55 (11.0 mtr long) conforming to IS : 2713 Part-I to III 1980, complete with 6 mm thick mild steel base plate, finial taper plug, MS bolts, nuts, screws including painting upto 1.5metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface over one coat of primer complete including taking down old unserviceable Pole all as specified and as directed.

Steel Tubular swaged poles type 410 SP-31 (9.0 mtr long) conforming to IS : 2713 Part-I to III 1980, complete with 6 mm thick mild steel base plate, finial taper plug, MS bolts, nuts, screws including painting upto 1.5metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface over one coat of primer complete including taking down old unserviceable Pole all as specified and as directed.

Cross arm bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, drilling holes for bolts, in any shape or size as indicated or directed and also inclusive of two coats of aluminium paint over one coat of red oxide primer including dismantling / taking down old unserviceable structural steel all as specified and as directed.

Aluminium conductor steel reinforced (ACSR) including binding to insulator with suitable size of binding wire and size of conductor Weasel (6/1 x 2.59 mm), Squirrel (6/1 x 2.11mm) or Ferret (6/1 x 3.00 mm) all as specified and as directed.

Galvanised Guard wire / Cradles / Stay wires complete as required at site all as specified and directed.

Pin type porcelain in replacement, vitreous white, brown or green insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 150mm height, 150mm dia for 11000 volt complete including taking down old unserviceable insulator complete all as specified and directed.

Pin type porcelain in replacement, vitreous white, brown or green insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 100mm height, 65mm dia for 1100 volt complete including taking down old unserviceable insulator complete all as specified and directed.

Disc type insulator, porcelain, vitreous, white, brown or green including one galvanised mild steel spindle, two galvanised 145 mm height 255 mm dia for 11000 Volts grade complete all as specified and directed.

Shackle type insulator porcelain vitreous white, brown or green including galvanised M.S. straps 31 x 5mm size, 75mm height, 90mm dia including galvanised mild steel straps, nut, bolts washers complete for 1100 volts grade insulator complete including taking up of old UNSV Shackle type complete all as specified and directed.

Switch Air break, gang operated (GOD) with 15 Nos insulators in replacement, outdoor type, Three Pole mechanically operated, suitable for vertical installation, Single break, provided with locking arrangements consisting of MS channel, HT Post type insulator copper alloy, high Pressure, Assembly operating rod 25 mm dia GI pipe medium grade for operating from 1.2 metre above Ground Level with locking arrangement complete confirming to IS-1318 of 1972 rated voltage 11 KV and for current rating 400 Amps complete all as specified and directed.

Lightning arrestor expulsion type, consisting of multiple spark gaps in series with one or more non-linear resistor to limit voltage surge on AC power circuit to interrupt power flow current suitable for outdoor installation and exposed direct to sun with ambient temperature between (-) 10° C to (+) 50° C suitable for surge discharge capacity 65 KA, 11000 Volts grade conforming to IS-4350 complete with all fittings including taking down old unserviceable arrestor, complete all as specified and directed.

Cutting and trimming of trees and branches to clear the over head line in the arc of HT/LT over head line feeders and removal of the trimmed branches of trees complete all as specified and directed. Notes : 1. Any ACSR conductor damaged during the cuttings of trees / branches shall be repaired and jointed / fixed by the contractor, to the entire satisfaction of Engr-in-Charge, without any extra cost and nothing extra shall be admissible from the department on this account what-so-ever. 2. The cutting / trimming of tree branches shall be done to at least 2.00 metre radius of OH line. 3. The unit of measurement is 'SPAN' i.e. distance covered between two poles.

Restringing / Restretching / Tightening of old ACSR conductor of any size and make on HT / LT Poles by disconnecting and removing from insulators including providing necessary binding wire and jumpering after proper stringing all as directed.

Painting of steel tubular pole any type with cross arms with one coat of aluminium paint after preparation of surfaces of pole / cross arms by scrapping of old paint, cleaning of all rusted surface and painting upto 1.5metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface of pole and cross arms structure over one coat of primer and marking of MES No complete all as specified and as directed.

Synthetic Insulation Mat in replacement, chequered type up to 11 KV rating as per ISI specification of size 2.0m x 1.0m x 25mm thick suitable for LT Panels, Transformers or DG Sets, complete all as directed by Engr-in-Charge.

MCCB 400 Amps, breaking capacity 36 KA, FP, 415V (microprocessor release) complete all as specified and as directed.

MCCB 250 Amps, breaking capacity 36 KA, FP, 415V (microprocessor release) complete all as specified and as directed.

MCCB 200 Amps, breaking capacity 36 KA, FP, 415V (microprocessor release) complete all as specified and as directed.

MCCB 160 Amps, breaking capacity 36 KA, FP, 415V (adjustable thermal and magnetic release) complete all as specified and as directed.

MCCB 125 Amps, breaking capacity 16 KA, TP, 415V (adjustable thermal and magnetic release) complete all as specified and as directed.

MCCB 100 Amps, breaking capacity 16 KA, FP, 415V (adjustable thermal and magnetic release) complete all as specified and as directed.

MCCB 63 Amps, breaking capacity 25 KA, FP, 415V (adjustable thermal and magnetic release) complete all as specified and as directed. Makes of Serial Item No '32' to '38' : L&T / Legrand / Schneider / Havells / ABB

Change Over Switch (Side Operated) 200 Amps, 415 Volts, FP in sheet metal enclosure suitable for cylinderical / DIN / Bolted Fuse Link conforming to ICE 60947-3/ISI/IEC-60947 with interlocking door and lock facility complete all as specified and as directed.

Off Load Change Over Switch 100 Amps, 415 Volts, FP in sheet metal enclosure suitable complete all as specified and as directed.

Street Light fitting 60 Watts LED made up of pressure die cast aluminium housing with high power LED as lighting source and lens embedded PC cover having top opening seperate driver compartment with IP66 protection and impact resistance of IK07 with 10KV built-in surge protection device including taking down old unserviceable Street Light Fitting any type complete, all as specified and as directed. Make : Havells 'Endura Pearl Neo' Cat Part No SL60WLED757PASYTOPC or equivalent in Wipro / Philips / Crompton

60 Watts Energy saving, environmental friendly, long life, exclusive innovative die-cast aluminium IP-66 Flood Light, suitable for highlighting architectural facade and general purpose lighting with all accessories pre-wired and making connections with three core copper flexible cable of size 23/0.0076, fixed in ceilings after suitable cutout, complete all as specified and as directed. Make : Havells 'JETA QUANTO PLUS' Cat Part No FLP60WLED757SYMLENS or equivalent in Wipro / Philips / Crompton

Supply, installation, Commissioning and Testing of Feeder Pillar Box, Kiosk outdoor type, CPRI type tested, LT 440 Volts, 50 Hz, FP, 4 wire supply, Floor mounted factory fabricated weather and vermin proof made out of 3 mm thick MS Sheet CRCA Sheet on angle iron 50 x 50 x 6mm frame of size 1.80 x 1.70 x 0.50 mtr suitable for feeders 12 Nos (Total of incoming and outgoing) any capacity with front and rear opening doors, handle type locking arrangement powder coated internally and externally shall have channel base of appropriate size and mounted on PCC foundation of size as required or approved by manufacturers in PCC 1:3:6 Type C-2 including earth work complete with bus bar chamber comprising 4 Nos copper strip bus bars PVC insulated made of copper strip of size 40 x 5mm, PVC sheathed with colour coding, CTs of ratio 250/5 Amps having accuracy Class-1, pre-wired with suitable size PVC insulated copper conductor cables for control wiring for multifunctional LT Meter and PVC insulated copper strips of appropriate size but not less than 20 x 3mm for power circuits for incoming and outgoing feeders etc. as per standard engineering practice and required at site.

Supplying, installing, designing, testing and commissioning of LT Outdoor type Panel Board, Factory made, (Cubical Kiosk type), weather, dust and vermin proof, CPRI approved with locking arrangement made out of CRCA sheet 3.15 mm thick with suitable size of channel for base complete with copper bus bar of 400 Amps rated with cable gland of suitable size and in adequate Nos, cabinet for housing mounting switch, disconnection fuse unit, metering equipments, prewired with suitable size of copper conductor and duly powder coated in Siemens grey colour mounted on PCC platform of PCC 1:2:4 type B-1 on angle iron frame which is made out of 50 x 50 x 6mm thick angle iron duly marked the incoming outgoing controls, complete all as specified and directed and comprising of the following :-

(A) Incoming (i) MCCB 400 Amps, breaking capacity 36 KA, FP, 415 Volts (adjustable thermal and magnetic release) – 01 No (B) Outgoing (i) MCCB 200 Amps, breaking capacity 36 KA, FP 415 Volts (adjustable thermal and magnetic release) – 02 Nos (ii) MCCB 160 Amps, breaking capacity 36 KA, FP 415 Volts (adjustable thermal and magnetic release) – 02 Nos (iii) MCCB 125 Amps, breaking capacity 25 KA, FP 415 Volts (adjustable thermal and magnetic release) – 02 Nos (iv) MCCB 63 Amps, breaking capacity 16 KA, FP 415 Volts (adjustable thermal and magnetic release) – 01 Nos

Makes for Serial Item No '43' & '44' : Make of Panel : DV Electromatics Private Limited / Simon Fabricators / Electricfield Co / Adhunik Switchgear / Universal Switchgear Make of MCCB : L&T / Legrand / Schneider / Havells Make of Voltmeter / Ammeter / Multifunction Meter : SECURE / L&T (RISHAB) / C&S ELECTRIC / MECO

Supplying laying jointing and testing XLPE insulated, PVC bedded, galvanised steel strips armoured heavy duty electric power cable with aluminium conductor suitable for rated voltage of 11000 Volt grade earthed system, 3 Core x 95 Sqmm and manufactured by triple extrusion using single (common) cross-head extrusion technique and dry cure inert gas cured cross linking process and conforming to IS and laid in trenches / ducts / pipe or on poles complete all as specified and directed.

Cable jointing kit for 11 KV (earthed) 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 95 - 120 Sqmm complete all as specified and as directed.

Cable jointing kit for 1.1 KV (earthed) 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 95 - 120 Sqmm complete all as specified and as directed.

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 95 - 120 Sqmm complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 400 Sqmm 3.5 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 185 Sqmm 3.5 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 70 Sqmm 3.5 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 50 Sqmm 3.5 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 35 Sqmm 3.5 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 16 Sqmm 4 core on wall including taking down old cable, complete all as specified and as directed.

XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked cross sectional area 10 Sqmm 2 core on wall including taking down old cable, complete all as specified and as directed. Makes for Serial Item No '49' to '55' : Polycab / Havells / KEI / RPG / Finolex / Universal

Straight through epoxy joint suitable for LT cable 3.5 core, 25 Sqmm to 50 Sqmm including taking down old unserviceable joints, complete all as specified and as directed.

Aluminium cable lugs (connectors) for fixing / tightening of electric cable 16 to 35 Sqmm alongwith nuts and bolts for tightening complete all as specified and as directed.

Aluminium cable lugs (connectors) for fixing / tightening of electric cable 50 to 100 Sqmm alongwith nuts and bolts for tightening complete all as specified and as directed.

Aluminium cable lugs (connectors) for fixing / tightening of electric cable 120 to 240 Sqmm alongwith nuts and bolts for tightening complete all as specified and as directed.

Sand cushioning to underground cables using new dry river sand laid in trenches 8cm thick below the cable and 15cm thick above the cable after laying and stretching the cable complete, punned to 18cm, complete all as specified and directed Note : Punned thickness of 18cms shall be measured for payment.

Supply and laying brick covering with width equal to length of bricks as mechanical protection to underground cable using old size sub class 'B' bricks, laid flat size 230mm x 115mm x 75 mm with width of brick perpendicular to length of cable, all as specified and as directed.

Laying only serviceable bricks as mechanical protection to underground cable with width equal to length of bricks, width of brick perpendicular to length of cable, all as specified and as directed.

Steel pipe galvanised light grade, 80 mm bore laid in trenches or under ground/floor or road of fixed with pole for protection of cable including GI clamps with bolts nuts and washers complete all as specified and directed.

Steel pipe galvanised light grade, 50 mm bore laid in trenches or under ground/floor or road of fixed with pole for protection of cable including GI clamps with bolts nuts and washers complete all as specified and directed.

Material and labour for disconnecting electrical connection removing the defective transformer, loading and transporting to workshop from site and vice-versa including disconnecting and rewinding of 11/0.433KV, 63 KVA to 315KVA, Three Phase, Four Wire, 50Hz vector group Dyn 11 transformer with paper insulated copper winding wire / strip as per original data on HV (delta connection) and LV (Star Connection) 7 tapping brought on HV side for tap charger to change + 2.5%, 5%, 7.5% by means of manually operated Off-Load tap changing gear complete rewinding of HV on three limbs providing insulation material like spares, wooden blocks, cotton tape etc. and re-conditioning three limbs complete opening, replacement of cock sheet packing, vent diaphragm replacement of LT terminal plate, breather, filling of new transformer oil for top up with existing oil after proper filtration upto level of 50 KV dielectric strength and testing of transformer at factory and site after connecting all electrical connection in full load all as directed.

Notes :- 1. Spares required will be measured and paid separately under appropriate item. 2. The Quoted Rate shall be deemed to include transportation, electrical connections, Testing & Commissioning.

Supply only following Items / Spares required for transformers :-

(a) HT coil of suitable gauge of paper insulated copper winding wire for any capacity of transformer

(b) LT coils of suitable guage of paper insulated copper winding wire for any capacity of transformer

(c) Gasket for Transformer

(d) LT Terminal Plate for outgoing connections

(f) HT Bush and Bush Rod for Outdoor Transformer complete

(g) LT Bush and Bush Rod complete

(h) Breather for Transformer of capacity 63 KVA to 315 KVA

Supply, filling and top up with new Transformer Oil of dielectric strength more than 50 KV at 2.5mm gap confirming to IS : 335-1993 complete all as specified and as directed. Make : APAR Oils / Savita

Dehydration of transformer oil by using filtration plant of suitable capacity and removing the moisture / dust till obtaining the oil dielectric strength 45 KV at 2.5mm gap and above for various transformer / voltage stabilizer of any size located at different substations, complete all as specified & directed.

Disconnecting electric supply from both ends of defective Voltage Stabilizer of capacity 300 KVA after disconnecting electric supply from both ends and transporting the same from Ramban / Banihal to Workshop at Jammu, opening top cover, taking out transformer oil, checking for faults and replacing the defective parts, checking / testing the stabilizer, refilling and topping up the transformer oil and transporting back to Ramban and refixing in original position, making connections complete all as specified and directed by Engineer-in-Charge.

Disconnecting electric supply from both ends of defective Voltage Stabilizer of capacity 100 KVA after disconnecting electric supply from both ends and transporting the same from Ramban / Banihal to Workshop at Jammu, opening top cover, taking out transformer oil, checking for faults and replacing the defective parts, checking / testing the stabilizer, refilling and topping up the transformer oil and transporting back to Ascon Node, Upper Gund, Banihal and refixing in original position, making connections complete all as specified and directed by Engineer-in-Charge.

Disconnecting electric supply from both ends of defective Voltage Stabilizer of capacity 20 KVA to 63 KVA after disconnecting electric supply from both ends and transporting the same from Ramban / Banihal to Workshop at Jammu, opening top cover, taking out transformer oil, checking for faults and replacing the defective parts, checking / testing the stabilizer, refilling and topping up the transformer oil and transporting back to Patnitop respectively and refixing in original position, making connections complete all as specified and directed by Engineer-in-Charge.

Notes :- 1. Spares required will be measured and paid separately under appropriate item. 2. The Quoted Rate shall be deemed to include transportation, electrical connections, Testing & Commissioning.

Supply only following Items / Spares required for Stabilizers :-

(a) Reversible motor low speed instant Start / Stop High Torque having speed 960 RPM and of capacity 0.08HP.

(b) Servo Circuit Card.

(c) RC Network.

(d) Dimmer for 300 / 100 / 63 / 20 KVA Voltage Stabilizer.

Earthing complete with GI earth plate electrode of size 600mm x 600mm x 6mm thick buried directly to ground vertically to a depth not less than 2.25 Mtr below the ground level with top edge of earth plate not less than 1.65 Mtr below normal ground level connected to GI strip 32 x 6 mm size and earthing lead protected with 50 mm bore GI pipe, light grade, filling around with charcoal dust and salt including excavation, returning, filling of earth and disposal of surplus soil to a distance not exceeding 50 mtr and connected to GI strip by means of GI nuts, bolts and washers strip connected to earth plate including chamber PCC 1:3:6 type C-1 using 20mm graded crushed stone aggregate in concrete pit pre-cast RCC 40 mm thick reinforced with 6 mm dia round at 75 mm C/C both way with 12 mm dia mild steel plain bar lifting handle 2 Nos funnel with wire mesh 20 mm dia GI pipe light grade watering pipe and frame work complete all as shown in electrical plate No. 3 of SSR Part-I 2009 including testing on completion complete all as specified and as directed.

Galvanised Iron earthing strip 32 x 6 mm from earth test point to electrical equipment including taking down old unserviceable earthing strip complete all as specified and directed

Earthing complete with galvanized mild steel earth plate electrode size 600mm x 600mm x 6mm thick buried directly in ground (preferably in vertical position) earth pit not less than 2.25 meter below normal ground level with top edge of the earth plate not less 1.5 meter (BGL) connected to galvanized iron earth lead wire 4mm dia by means of bolts, nuts, check nut and washer of galvanized iron including PCC pit in RCC 1:2:4 type B-1, precast RCC cover with suitable handle, excavation and earth work in any type of soil, 20mm bore “medium grade” galvanized iron water tubing fixed with cast iron funnel and wire mesh and 15mm bore “light grade” galvanized iron protection pipe for earth lead wire upto 5m length, charcoal, common salt, complete all as shown in EP No 3 of SSR 2009 Part-I, connected to test point complete, all as specified and testing on completion.

Galvanised Iron earth wire 4 Sqmm from earth test point to electrical equipment including taking down old unserviceable earth wire complete all as specified and directed

DAVINDER SINGH

Usha Engineering Co.

SWASTIK TRADERS

darshan kumar gandhi

m/s vaid contractor and builders

M/S Builders Indias

SUMEET TRADING CORPORATION

Bidder Name

M/S BALI CONSTRUCTIONS

m/s vaid contractor and builders

SWASTIK TRADERS

Usha Engineering Co.

M/S Builders Indias

SUMEET TRADING CORPORATION

darshan kumar gandhi

DAVINDER SINGH