TENDER FOR ITEM RATE CONTRACT FOR PROVN OF RMU AND ALLIED WKS AT DCN SUB GP DABATHWA UNDER AGE EM (ES) AT GE (U) EM MEERUT CANTT.

Amount

Supply,installation,testing & commissioning of 11 KV Outdoor type one side extensible 4-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed motorized Load Break Switches & 2 nos. fixed type motorised Vacuum Circuit Breaker (2 Incoming & 2 Outgoing). All live parts, bus bars, LBSs connections of RMU should be enclosed in one tank to avoid multiple interconnections & sealed for life robotically welded non magnetic and non ferrite ,stainless steel tank,Grade 304 of minimum 2 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. The Unit shall be tested with internal arc of 21kA for 1 sec with AFLR classification.

The vacuum interrupter used shall be of same make as the RMU OEM to ensure life cycle optimization.The gas release and personnel safety with internal arc proofness shall not depend upon plinth design. The internal arc test shall be done for main tank and cable box both separately. Bidder shall provide necessary type test report to prove compliance to IAC AFLR as per IEC 62271-200. The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown.RMU should be complete with all accessories such as Terminal kits suitable for 1Cx300sqmm Cable, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120.The unit shall include the following with all necessary standard fitting required at site. Make : Siemens/ABB/Schneider

Load Break Switch module of capacity 630A for making of fault current alongwith Earth Switch of full making capacity-2 nos. Short time withstand current - 21KA/ 3 sec Making Capacity - 52.5kAp Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 28kV Impulse withstand voltage - 75kV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X Snap action mechanism for manual operation Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable Right angle non-touch proof Termination boots - 1 Set (R,Y,B)

Bus Connected PTs and additional items to be mounted suitably with RMU/additional unit as following : i) Single Phase PTs - 11kV/V3/110/V3 ,Cl-1.0 ,30VA -03 Nos II) Space Heater with thermostat - 04 Nos III) Terminal Blocks iV) 2 x Digital Multi Function Meter ,Cl-1.0 - ELmeasure /Conzerv /Rishabh V) Battery/Charger-Minimum 26AH Capacity . Input Voltage of 230VAC for the battery charger shall be provided at site by user. Vi) Auxiliary relays for OTI,WTI,Bucholz -Alarm & Trip for 2 nos. Outgoing VCBs 2 x Lockout relays (86) for Transformer protection scheme. 1 x 14 Window Alarm Annunciator for all 2 Outgoing Feeders Hooter

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sq mm all as specified and directed. Make- Polycab,/Gloster/ KEI

Excavation in trenches in soft/loose soil n. exc. 1.5 meter wide and n. exc. 1.5 mtr depth and getting out, including trimming the sides and forming bottom surface to required levels all as specified and directed.

Returning, filling including spreading, levelling, watering and well ramming in layers n. exc. 25 cm thick complete all as specified and directed.

Removing of excavated material (soil) to a distance n. exc. 50 Mtr and dispositing where directed at a level n. exc. 1.50 Mtr above the starting point complete as directed.

M & L Sand cushioning to UG cables (8cm deep before laying of cable and 15 cm deep over the cable). Note :- Punned thickness only will be considered for payment.

Supplying and laying un-reinforced precast concrete cable covers class HV, Type I, flat, size 300mm x 180mm x 40mm, ISI marked complete all as specified and directed. Make-Mehtab Tiles Indoor, NTC Tiles Panchkula, Sukhi Enterprises Jamnagar.

Supply and fix cable jointing kit for 11 KV grade out door cable for end joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm. Make- M-seal, Cab-seal, Raychem

Supply and fix cable jointing kit for 11 KV grade in door cable for end joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm Make- M-seal, Cab-seal, Raychem

Supply and errecting steel tubular pole swaged type 11.0 Meter long, type 410 SP-55, IS-2713 marked complete with M&L for mild steel base plate (fillet welded to poles), pole cap/final taper plug, bolts, nuts, washers etc. Painting of poles with one coat of red oxide primer and two coat of aluminium paint before fixing and one coat of aluminium paint after fixing on exposed surfaces and embedded portion shall be painted with two coat of black bituminous paint including the portion above coping shall be painted in alternative 05 Nos bands/straps of black & white colour starting with white colour (each band of 30cm wide) by two coat of synthetic enameled paint up to 1.5 m heightcomplete all as specified and directed by Engr-in-Charge.

M&L PCC 1:4:8 Type D2 using 40 mm graded crushed aggregate in foundation including form work and finishing the exposed surface of concrete even and smooth all as specified.

M&L PCC (1:3:6) type C2 using 40mm graded crushed stone aggregated as in foundation, filling and mass concrete using necessary form work complete all as directed by Engr-in-Charge.

M&L PCC (1:2:4) type B1 using 20mm graded crushed stone aggregate as in coping/plinth of pole, finish the exposed surface even and smooth without using extra cement including necessary form work etc complete all as directed by Engr-in-Charge.

S&F stay assembly comprising of 7/10 SWG galvanised stay stranded wire of required length fixed to pole with and including flat iron clamp, bolts, nuts and washers, galvanised 14mm dia, 400mm long stay bow with 20 mm dia 180 cms, long stay rod with threaded end, GI nut & washers GI stay plate 230 x 230 x 6mm thick plate 2 Nos thimble, MS clamp made out of 50 x 6mm flat iron, loop insulator 90mm x 140mm dia hole, 25mm porcelain complete all as specified and shown in electrical plate No 1 of SSR Part I.

S&F Disc type, insulator porcelain, vitreous, Brown white or green Two-in-series assembly, 145mm high & 225mm dia ball & socket type, with tension clamp,single disc assembly for conductor working pressure 11000 volts complete all as specified and directed.

Supply and fix HT 11 kv, 150 mm height and 150 mm dia pin type insulator, porcelain, vitreous, white/brown/green, for 11000 Volts grade inclding one galvanised mild steel spindle, two galvanised iron washers and gavanised iron nut complete all as specified and directed.

Suuply & Fixing 11000 Volts 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 HT 25X20cm size including taking down.

Supply & fix cross arms, channels, 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 directed by Engr-in-Charge.

Supply & fixing or laying galvanised steel tubing light grade (ISI marked) of 100mm bore for protection of under ground cable on poles/ walls/under road crossing etc including suitable size iron clamps with nuts, bolts & washers for proper fixing of pipe complete all as specified and directed.

M & L for boring in any type of soil under road 1.5 Mtr below the top surface of road by convential method complete for passing through 80mm to 100mm dia GI pipe and filling earth after laying of pipe including disposal of surplus soil complete all as specified and directed. NOTE :- Pipe will be measured and paid for separately . Any damage to existing cables of any type and road will made good by the tenderer without any extra payment.

Supply & fixing HT PCC cable route indicator of size 175mm x 150mm thick, 75 cm long and upper front side each indicator shall be embracing 4mm deep with words "HT CABLE" and two coats of synthetic enamel yellow and red paint along HT cable trench after every 50 Mtr and corner & on any turnning, road crossing etc including planting in ground with PCC (1:3:6) type C-1 complete all as specified and directed by Engineer-in-Charge.

Earthing complete with Copper earth plate of size 600 x 600 x 3.15 mm thick burried directly in ground not less than 2.25 Mtr below ground level, earth plate paced on all side with charcoal mixed with salt to a thickness of 150mm in layers, connected by Copper earth strip of size 20 x 3mm thick, soldered and revetted to earth plate. Copper earth strip will be protected by using 40mm bore GI pipe (light grade) from test point to main board. The earthing includes PCC pit chamber, RCC pit cover and frame, watering pipe 20mm bore, funnel with wire mess with necessary earth work including disposal of surplus soil to a distance not less than 50 Mtr etc complete all as specified and shown in electrical plate No 3 of SSR Part-I.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20x3mm copper strip complete all as specified and directed.

NITHYA INFRATECH