Shifting of electrical 2/4 Poles, structures, 11KV lines, removal of poles Providing ring mains units for providing power supply to the SG Puram Port Quarters, GJH, Sports complex, CISF complex, Port Kalyana Mandapms and various pump houses - In

Amount

Supply, installation, testing & commissioning of 11 KV, rated voltage 12kV, 630A, 21kA/3sec, Outdoor type, extensible type on both sides, Internal arc 21kA for 1 Sec for Tank, floor mounted with internal copper bus bars, SF6 Insulated, completely Motorised, 6 Way RMU consisting of 2 Nos. VCB's as Incomer, 4 Nos. 630A VCB's as Outgoing with SCADA compatible Overload and earth fault protection Relay (Ashidha / CSPDR) with air insulated Metering module (MFM for VCB Feeders). All live parts, bus bars, VCBs connections of RMU shall be enclosed in one SF6 tank to avoid multiple interconnections. SF6 Tank shall be sealed for life robotically welded nonmagnetic and non-ferrite stainless steel Grade 304 of minimum 2.5 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. Painting thickness shall be at least 60microns, Breaker shall be M2 Class- 10,000 operations at rated normal current and 10 operations at rated Short circuit breaking current. Manual welding or hermetic sealing of tank shall be not be accepted. The unit shall have front cable entry (Suitable for termination of 1R x 3C x 95.120/150 Sqmm Cable )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 boots, VPIS, cable supports, all front cable terminations, mechanical indications for VCB 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. Bushings bolted type top mounted outside the tank for connection of external bus bar. Degree of protection shall be IP2X & IP3X for front mimic & cable compartments respectively. Also, the outer enclosure shall cover the full length of the switchgear, to ensure IP54 protection for outer enclosure. The unit shall be internal arc proof 21kA for 1 sec with AFLR classification, tested and totally safe for human beings. The gas release & personnel safety from internal arc shall not depend on plinth design. The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personals near the sides of the RMU/plinth, top elease will ensure their safety. The hot gas release, in case of an internal arc, in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the Internal Arc fault IAC-AFLR as per IEC 62271-200. Internal arc testing shall be done with enclosure door in open condition, with switching devices in operation mode as per specified standard. Rated filling for insulation at 20°C shall be 1.4bar Pressure absolute. As per the following switch gears. a. 630A VCB's as Incomer -02 Nos b. 630A VCB as Outgoing- 04 Nos c. Capacitive voltage indication fixed type VPIS 6-12 kV – 06 nos d. Ring core current transformer type - 18 Nos e. Core 1 : 200-100/1 A, 2.5VA, 5P10 for Protection f. Core 2 : 200-100/1 A, 2.5VA, 1.0 for Metering – 21 Nos g. Fault Passage Indicator – 1 No h. Digital Multifunction Meter – Rishabh Make – 06Nos i. Cable cover standard with Interlocking - 01 Lot j. Bus PT 11kV/r3/110/r3 , 25VA , Class – 03 Nos k. Space Heater with Thermostat – 01 No l. Operating handle – 06 Nos m. 2 x 12 V DC Battery and Battery charger – 01 Set n. 230V AC auxiliary supply for battery charger with all necessary spares – 01 No o. Indication Lamps - 01 – Lot p. Safety Interlocks --As required Make: MAGAWIN/ABB/SCHNIDER/SIEMENS

Excavation of trenches in Hard/dense soil of required width for laying of GI pipes, cables and retrieving the existing cables etc., including dressing of sides, ramming of bottoms, suitable depth including getting out the excavated soil and the returning the soil including consolidating each deposit layer by ramming, watering etc., and disposing of surplus excavated soil as directed by engineer in charge and complete all labour and material

Cutting and removing the old Tar macadam including W.B.M surface/road including soiling material etc. and dispose the debris to a lead of 50 mtrs. Stacking the useful material complete as directed by Engineer in charge

Supply and fabrication of steel by using suitable flats, angles, channels of required sizes to provide required cross arms, back clamps, support clamps, frames including cutting, bolting, riveting, drilling, welding etc. including providing one coat of zinc rich epoxy paint primer complete as directed by Engineer in charge.

Supply and providing of P.C.C. 1:3:6 with 20 mm graded granite as coarse aggregate and river sand as fine aggregate (220 Kgs of cement per M3of finished concrete) including mixing, depositing in position, tamping, finishing and curing for base/pole concreting, road cutting etc. as directed by engineer in charge including all labour and tools.

Supply and Laying / clamping of 110 mm dia HDPE pipe of PE 100 Grade confirms to ISI in the existing in trench complete as directed by Engineer in charge including all labour and material. Make: Tulasi / Sudhakar / Nandi

Supply of 3 Core 120 Sq.mm 11KV (E) grade armoured Aluminium conductor cable confirming to IS 7098 Pt. II with amndts. as directed by Engr. I/c complete with all materials labour tools and tackles. Brands: Universal / Gloster / RPG / Nicco / KEI / Havell’s / Polycab / Laser

Laying of 3 core x 120Sq.mm aroured aluminuim conductor cable in the trench including excavation with Sand Cushioning and protective covering on either side and top of the as directed by Engr. I/c complete with all materials. Note: Cable shall be supplied by VPT at free of cost

Clamping with 25/40x3 mm MS flat / drawing of 3 core x 120Sq.mm aroured aluminuim conductor cable to the wall / through the existing pipe as directed by Engr. I/c complete with all materials.Note: Cable shall be supplied by VPT at free of cost

Supply and providing of Heat shrinkable Outdoor End termination kit suitable to 3 Core 120 Sq.mm 11KV grade armoured Aluminium conductor cable as directed by Engr. I/c complete with all materials labour tools and tackles. Brand: Reychem/M-Seal/3 M

Supply and providing of Heat shrinkable straight through joint kit suitable to 3 Core 120 Sq.mm 11KV grade armoured Aluminium conductor cable as directed by Engr. I/c complete with all materials labour tools and tackles. Brand: Reychem/M-Seal/3 M

Supply and Providing, earth station using 2.5 meters long, 80 mm C.I pipe. Duly perforated with suitable PCC Cover to the pit with alternate layers of coal and charcoal complete as per IS 3043 as directed by engineer in charge including all labour and material

Supplying, fixing, connecting and commissioning of 50 X 6 MM GI earth strip in recess/surface/clamped to wall/through PCC etc., from earth to switch gear/equipment including connecting the same at both ends as directed by engineer in charge including all labour and material.

Removal of existing B.G. rail pole/ Tubular pole / spun pole duly breaking the coping and base PCC, excavating the earth upto 0.5mts depth from the ground level cutting the pole refilling the excavated earth and making the surface good to match the surroundings, returning the removed pole to E/M section stores /general stores as directed by Engineer in charge including all labour and material

Providing and fixing G.I tublar gate (double shutters) with 40 mm dia, G.I. pipe and specials including diagonal pipes and frame welded to approved weld mesh of 75 x 25 mm size (3.15 mm x 5 mm dia) including painting with one priming coat and two coats of synthetic enamel paint of approved colour and shade (total three coats) etc., with locking arrangement, necessary MS flats, iron pintels etc., including fixing in CC bed block as directed with 12 mm dia, bolts and nuts, washers etc., as required complete with all material, tools tackles as directed by Engineer- in- charge

Supplying and fixing galvanized steel chain link mesh of 50 mm x 50 mm openings and 10 gauge as per IS 2721-1979 including bending, tying with G.I. wire / welding etc., as directed by the EIC complete with all material, tools tackles as directed by Engineer- in- charge.

Providing random rubble masonry in C.M 1:5 in plinth and foundations including necessary dressed stones at corners and junctions, curing etc., complete. All labour and materials.

Providing plastering with CM 1:6, 12 mm thick including raking out joints, cleaning the surface, curing etc., complete all labour and materials

Transportation and erection of 4 to 6 Mtr. S/H B G Rail poles in the existing trench duly welded with base plate to provide barricade the 11 KV switch yard as directed by Engr. I/c including all labour tools, tackles transportation loading and un loading. Note: Rail Pole will be supplied by VPT at free of cost.

MEPF INFRA