Providing Electrification in the newly constructed lab rooms, renovated class rooms and Auditorium in the Boys HSS Karamana under city Corporation Thiruvananthapuram

Amount

Supply and wiring points according to IS 732-1989 using rigid PVC ivory Conduit of minimum size 20mm conforming to IS 9537 Part III 1983 and with suitable size specials conforming to IS 3419-1988, fixing the conduit using metal saddles spacing not exceeding 50 cm or concealed suitably and with 1.00 sq mm PVC insulated stranded single core FR copper conductor cable 650V grade including providing switch board main and continuous earthing with 1.5 sqmm green coloured FR wire required quantity of copper earth socket, brass bolt and nuit crimping etc complete with suitable size modular type metal switch boxes, modular type front plates (white) etc. up to and including 6A modular type ROHS compliant SP switches and making good the surface of wall, colour washing etc. complete. All the terminations in the switch boards and DB's shall be tinned and the wires shall be drawn and fixed along the periphery of the box using suitable ties, tie mounts etc as required. (Group B) modular accessories

90.2.1.1.Single control light point with 6A, 3Plate ceiling

90.2.1.2.Twin control light point with out ceiling rose.

90.2.1.3. Single controll light point with out ceiling rose.

90.2.1.4. Single control ceiling fan point with 6 A.3 plate ceiling rose and with socket typed electronic regulator.

90.2.1.6 Combined plug point with 6 A, 5 pin plug socket controlled by 6 A switch in the same switch board as that of light points.

90.2.1.7. Independent plug

Supply conveyance, installation, testing and commissioning the light fittings of following types made from CRCA sheet 0.5mm thickness with all accessories and lamps directly on wall and giving connections with 16/0.20 mm 3 core PVC insulated and sheathed round copper conductor flex wire or extending the original wiring and giving connections as required

90.3.19.3 1200 mm 1X20W LED Lamp with box type fixture

Supply, conveyance, installation testing and commissioning (Havells/Philips/Bajaj) make recessed mounted, compact, vertical, round shaped down lighter with removable driver suitable for low ceiling lights 15W LED 4000K (white)

Supply and installation of suitable size MS rod type fan clamp in the RCC slab as per IS 732 as required.

90.4.5.2 Supply, conveyance, installation, testing and commissioning of ceiling fans of the following sizes using standard accessories excluding resistance type regulator, wiring the down rod with 16/0.20mm PVC insulated and PVC sheathed 650/1100V grade 3 core round copper conductor flex wire or with extended original wiring etc. as required. 1200mm sweep -5star rated ceiling fan complete with 300mm down rod , canopies, shackeles and blades and resistance type regulator working on 230V/240V single phase A/C

1.27.4. Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required. 6 Module (200mmX75mm)

1.24.5. Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required. 6 pin 15/16 amp socket outlet

1.28.4. Supplying and fixing following Modular base & cover plate on existing modular metal boxes etc. as required. 6 Module

1.23.5. Supplying and fixing following piano type switch / socket on the existing switch box/ cover including connections etc. as required. 6 pin 15/16 amp socket outlet

1.27.6. Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required. 12 Module (200mmX150mm)

1.24.1. Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required. 5/6 amps switch

1.23.4. Supplying and fixing following piano type switch / socket on the existing switch box/ cover including connections etc. as required. 3 pin 5/6 amp socket outlet

1.28.6. Supplying and fixing following Modular base & cover plate on existing modular metal boxes etc. as required. 12 Module

1.21.1. Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required. 20 mm

90.6.4.12. Supply and drawing 650/1100 V grade FRLS PVC insulated stranded single core copper conductor cables conforming to IS 694 part I 1990 in the existing surface / recess conduit as required including giving necessary connections of the following sizes. 1.00 sq.mm 1 Run

90.6.4.13 1.50 sq mm 3 run

90.6.4.14 1.50 sq mm 4 run

90.6.4.22 2.50 sq mm 2 run

90.6.4.34 4.00 sq mm 4 run

90.6.4.44. 6.00 sq mm 4run

Supply & laying and clamping of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exeeding 60 cms, making good the damages colour washing etc. as required. 4 core 16 sq mm with factory made clamps

2.5.5. Supplying and fixing following way, surface/recess mounting, vertical type, 415 volts, TPN MCB distribution board of sheet steel,dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din barfor mounting MCB's (but without MCB's and incomer) as required. (Note: Vertical type MCB TP DB is normally used where 3 phase outlets are required) 8 way (4+24 ) double door

2.4.4. Supplying and fixing following way, horizontal type three pole and neutral, sheet steel MCB distribution board 415 volts,on surface/recess, complete with tinned copper bus bar, common neutral link, earth bar, din barfor interconnections, powder painted including earthing etc. as required. (but without MCB/RCCB/Isolator) 4 way (4+12 ) double door

2.13.3. Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required. 100 amps

2.13.2. Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required. 63 amps

2.15.3.Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required.63 amps

2.10.1.Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole

2.14.2. Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required. 40 amps

Supply and drawing bare copper conductors of the following sizes along with wiring cables and giving connections etc as required

5.2 Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required

or Supply and laying bare earthing conductors of the following sizes laid 0.6 m below ground level excavting trench of suitable size and refillilng etc. as required. (in ordinary soil) 3.15 mm copper conductor (10 SWG)

Supply, fabrication, conveyance and fixing the following sizes of B class GI pipe bent to shape / cut and welded to shape and fixing the same to wall / parapet using clamps as noted along with each size, painting with 2 coats of synthetic enamel paint over a coat of zinc chromate primer, making good the damages, colour washing etc as required. 32 mm dia with HG company fabricated clamps

MR 1183 36/40 W, 4000 lumen LED IP 66 Street light fitting with aluminium housing stove enameled CRCA sheet steel reflector cover acrylic cover complete with THD <10% PF >0.98 RoHS compliant duly wired up for use on 230 V AC supply

Supply and fixing cast aluminium stove enameled bulk head fitting with deep drawn anodised alumi8nium body, epoxy powder coated, heat resistant prismatic glass cover suitable for 9 W CFL to wall/ceiling including giving connections with required length of 16/0.20mm PVC insulated and PVC sheather 3 core round copper conductor flex wire conforming to relevant ISS or extending the original wiring and making good the surface as required

Charges for cutting holes suitable for accommodating exhaust fancs of sizes up to 305 mm sweep including plastering, colour washing etc. as required.

300/305 mm, single phase, light duty exhuast fan in metal frame working on 230 V A/C

Fabrication, supply & installation of dust and vermin proof, wall mounting, thermoplastic meter box of following size suitable for fixing KSEB meter, fuse units, CT etc, hinged door construction for the front side with compartments if necessary, providing vision panel for the meter compartment, knock out for cable entry and exit.

S & F Switch disconnector unit (isolator) complete with handle assembly, door inter lock and padlocking arrangement of the following ratings.

63 A, AC 23A, TPN SDF for DIN fuse

Supply and fixing the following accessories in the existing meter board and giving connections etc.

63 A, 415 V, DIN type fuse base.

63A, 415 V Backelite fuse fitting

100A, 415 V,2 way neutral link mounted on DMC/SMC base.

R.Mohanan

SURESH T

krithika electricals