Re-Wiring of CHC Building, Pinarayi

Amount

Supply and wiring points according to IS 732-1989 using rigid PVC conduit of minimum size 20 mm with specials 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 FR PVC insulated stranded single core copper conductor cable 650V grade, including providing Switch Board main and continuous earthing with No. 14 SWG copper, required quantity of copper earth socket, brass bolt and nut crimping/ soldering etc complete with suitable size modular type metal switch boxes, modular type front plates (white) etc. up to and including 6 A modular type 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/ RoHS compliant modular accessories).

Single control light point with 6A, 3 plate ceiling rose

Twin control light point with 6A, 3 plate ceiling rose

Single control light point without ceiling rose

Single control ceiling fan point with 6 A, 3 plate ceiling rose & with socket size stepped electronic regulator.

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.

Independent plug

Supply, conveyance, installation, testing and commissioning of 1200mm 16/20 W LED lamp with box type fixture complete with all accessories including supplying and fixing ball and socket arrangements on T.W round block, suspension down rod of 19mm dia MS conduit up to 2x30cm length including painting and wiring the down rod with 16/0.20mm 3 core round copper conductor flex wire conforming to relevant ISS or extending the original wiring and giving connections etc. a required. The fittings shall be made from CRCA MS sheet of minimum thickness 0.50 mm nominal thickness inside & outside.

Supply, conveyance, installation, testing and commissioning of 1200mm 16/20 W LED lamp with box type fixture complete with all accessories directly on wall or ceiling with PVC round block neatly painted to suit the fitting and giving connection with required length of 16/0.20mm 3 core copper conductor flex wire conforming to relevant ISS and giving connections as required. The fittings shall be made from CRCA MS sheet of minimum thickness 0.50 mm nominal thickness inside & outside.

Supply and fixing angle / straight brass lined skirt type, bakelite batten holder without shade and giving connection etc as required

Supply and fixing shades of the following types of shades on existing batten / pendent/bracket fittings as required

200 mm Plastic sill shade

Supply and providing the following types and power rated lamps in the existing fittings as required

7/5 Watta LED Bulb.

Street light fitting with 40 watts LED Street light with asymetirc beam angle 130 x 50 degree with Liminiare efficency more than 85 lm/W rugged aluminium alloy housing, with all accessories complete (OSRAM STRADA Plus 40 W 6500 K,Lumen/watts .80) on existing pipe and giving connection with 24/020 mm 3 core flex wire as required.

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 (for the installation of outdoor light fittings).

25 mm dia with HG company fabricated clamps

Supply and installation of suitable size rod type fan clamp as per IS 732 as required.

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.

1200 mm sweep (Category B)- 5 star rated

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

Supply, conveyance, installation, testing and commissioning of the following sizes of exhaust fans in the existing opening, fixing necessary bolt and nuts, making good the damages etc. as required including giving connections with required length of 24/0.20mm PVC insulated and PVC sheathed 3 core round copper conductor flex wire conforming to relevant ISS.

200 mm, single phase, light duty exhaust fan in plastic body with self opening louvers

Supply & Fixing the following types/ sizes of boxes suitable for modular accessories in recess including making good the damages, colour washing etc as required (Group B)

2 module metal box in recess(A/C socket and switch)

3 module metal box in recess (Power Plug)

4 module metal box in recess(Street light control switch box)

6 module metal box in recess( set of plug)6 nos CMS)

8 module moulded plastic box on surface (For set of plug for computers)

Supply & Fixing the following types/ sizes of front plates on the existing modular boxes. (Group B)

2 module white/ off-white

3 module white/ off-white

4 module white/ off-white

6 module white/ off-white

8 module white/ off-white

Supply and Fixing the following modular switches & accessories in the existing front plates and giving necessary connections as required (Group B)

6 A SP 1 way switch

16 A SP 1 way switch with indicator

20 A DP switch with ind

6A 3 pin shuttered socket

6 / 16 A / 20 A combined socket

3 Plate ceiling rose

Supply and fixing SP & N metal case enclosure with 2 pole and earth plug socket with pin suitable for incorporating , SP MCB (excluding cost of SP MCB) in surface/ recess including giving necessary connections, making good the damages etc. as required.

250V, 20A, 2 pole and earth

Supply and fixing 100 x 50 mm PVC Cable Management System with base and lid along with the following accessories conforming to IEC 61084/ BS 476 & 4678 on surface / recess including cutting the wall and making good the damages in case of recessed installation as required.(for drawing Copper pipe to indoor Unit)

100 x 50 mm CMS with base & lid(at LAB)

External Angle 90°

Internal Angle 90°

End Cap

Supply and fixing the following sizes of PVC Conduit conforming to IS 9537 / 1983 part III along with all required accessories on surface including making good the damages etc as required.

20 mm dia light gauge

25mm dia light gauge

Supply and drawing 650/1100 V grade 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.

1.50 sq mm 2 run (for set of plug circuit )

1.50 sq mm 4 run (for set of plug circuit )

1.50 sq mm 6 run (for set of plug circuit )

2.50 sq mm 2 run ( For power plug)

2.50 sq mm 4 run ( For power plug)

4.00 sq mm 2 run ( For ,MCP,UPS DB)

4.00 sq mm 4 run ( For DB)

Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required

6 way (8+18) - three phase double cover (IP 42/43) LDB & PDB

4 way (8+12) - double cover TPN vertical DB with provision for fixing 4P MCB / Isolator/ RCCB/ RCBO as incomer and SP/ TP MCB as outgoing (IP 42/43)

4way (8+12) - double cover TPN vertical DB with provision for fixing MCCB as incomer and SP/ TP MCB as outgoing (IP 42/43)

Supply and installation of the following accessories suitable for 50 Hz , AC supply conforming to IS 8828-1995/ IEC 60898 of the following current ratings in the existing enclosure and giving connections as required

40 A four pole mini break isolator

63 A four pole mini break isolator

40 A, 4 pole, 30 mA RCCB

6 A to 32 A, 10 kA, SP MCB (C curve)

50 A and 63 A, 10 kA, TP MCB (C curve)

100A 4pole MCCB(C curve)

Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.

3.5 core 50 sq mm with factory made clamp(To MCCB DB)

4 core 25 sq mm with factory made clamp(To VDB)

Supplying siemens / tropodur type nickel plated Double compression brass cable gland for PVC insulated and PVC sheathed armoured aluminium/ copper conductor cable 1.1 KV grade, and making end termination suitable for 2/ 3/ 3½/ 4 core cable of the following sizes as required.

Supplying and providing earth clamps for siemens/ tropodur type cable glands of suitable length and other dimensions noted along with each size of glands for the following sizes of cables as required.

25 sq - 95sq mm with 20 mm wide x 1.20 mm thick clip

Supply of superior quality aluminium tubular cable socket and making core termination of cables of the following sizes including crimping etc. as required.

Supply and providing plate earthing as per IS 3043 with 600x600x6.30 mm GI/CI earth plate, 20 mm GI watering pipe fixed to the earth plate with 20 x 3 mm GI clamps, GI funnel with weld mesh, filling required quantity of charcoal including construction of inspection chamber with a bed concrete of 1:4:8 PCC using 40 mm broken stone (10 cm thick), brick work in cement mortar 1:6, plastering the surface of brick masonry and the exposed surface of PCC bed with cement mortar 1:4, 12 mm thick, (the finished inside dimension shall be 300 x 300 x 300 mm) but excluding test joint, earth continuity conductor to the plate, and covering at the top. (in hard soil)

Supply and providing the following sizes of cast iron gully trap with covering at the top of the inspection chamber of earth pit as required

300 x 300 x 6 mm cast iron gully trap with covering

Supply and providing test joint for the earthing system using 2 Nos of the following sizes of strips including cutting and bending to shape, drilling necessary holes and fixed to the watering pipe etc as required.

2 x 25 x 3 mm GI strip

Supply and providing earth lead from the test joint to the earth electrode using the following sizes of conductors/ strips including cutting, drilling necessary holes (in case of strip) and fixing firmly with plate test joint etc as required.

25 x 3 mm GI strip

Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required.

3.15 mm copper conductor (10 SWG)

2.65 mm copper conductor (12SWG)

2.00 mm copper conductor (14 SWG)

Supply and laying bare earthing conductors of the following sizes laid 0.6 m below ground level including excavating trench of suitable size and refilling etc. as required (in ordinary soil).

3.15 mm copper conductor (10 SWG)

supply of superior quality copper earth socket for the following sizes of earth conductor including crimping etc. as required.

3.15 mm (10 SWG)

2.65mm (12 SWG)

2.00 mm (14 SWG)

Supply and providing the following sizes of bolt and nut with washers on the existing MS box / earth bus etc. as required including drilling necessary holes as required

12 x 3 mm brass bolt & nut

25 x 3mm brass bolt & nut

100 A, 415 V, 50 Hz, AC 23 A duty, TPN SDF for DIN fuse

Fabrication, supply, conveyance and fixing frame work made out of suitable size angle iron/ flat cut and welded to shape of suitable size painted with 2 coats of synthetic enamel paint over a coat of red oxide primer & with drilled holes to mount the switch gear, fixed to wall using suitable size anchor bolts or grouted to wall, making good the damages, colour washing etc as required

S & F 35-63 A, bolted offset tag type fuse link of size A1L

Fabrication, supply & installation of dust and vermin proof, wall mounting, thermoplastic meter box of 600x300x214mm 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.

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

100A fuse holder for BS type offset tag fuses.

2 Way Neutral link

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

Supply and providing 2.5 mm thick synthetic PVC fire retardent insulating sheet to withstand 15 KV dielectric strength conforming to IS 15652.

Supply and providing 5 Kg. Dry Chemical Powder type Fire Extinguisher with hose and clamps including fixing it to wall as required.

Painting letters or figures of the following sizes with enamel paint as identification mark to SB, DB, panel board etc as required

2.50 cm, 4 cm or 5 cm height

Dismantling the damaged electrical installation such as light /fan/plug point/light fittings/fans etc. and conveyance to the store/authorities without further damages

Dismantling the existing 1200mm sweep ceiling fan, scrapping, cleaning, overhauling, greasing the bearing, reassembling and painting the same using suitable colour enamel paint, refitting the same in position and giving connection etc. as required.

SIVARAM.E