Repair and Renovation of Internal and External Electrical Installation work at residence of Assistant Superintendent G1, 4 nos. 2 BHK Quarter at Mal SDH Campus, Jalpaiguri.

SUB-HEAD 1--Distribution Wiring

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Make: Havells / RR Kabel / Polycab) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for horizontal & vertical run embedded in wall], with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Modular type switch [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem] fixed on Modular GI switch board complete with 2 no. suitable size “Ph & N” copper bar with top cover plate making earthing attachment fixed on wall incl. mending good damages to original finish. [only PVC Rigid Conduit on ceiling and remaining portion concealed]

Average run 6 Mtr

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Make: Havells / RR Kabel / Polycab) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 6A 3 pin Modular type plug socket & switch [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem] on 4 Module GI switch board with 3/4 Module top cover plate on wall incl. necy. connection making earthing attachment, painting and mending good damages to building works.

On Board

SUB-HEAD 2-- Plugs & Sockets

Supply & Fixing 240 V, 6 A, 3 pin Modular type plug socket [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem] with 6A Modular type switch, without plug top on 4 Module GI Modular type switch board with top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supply & Fixing 240 V, 16 A, 3 pin Modular type plug socket [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem] with 16A Modular type switch, without plug top on 4 Module GI Modular type switch board with top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supply & Fixing 240 V, 2 nos. 6 A, 3 pin Modular type plug socket with 2 nos. 6A Modular type switch [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem], without plug top on 6 Module GI Modular type switch board with 6 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supply & Fixing 240 V, 3 nos. 6 A, 3 pin Modular type plug socket with 3 nos. 6A Modular type switch [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem], and Indicator without plug top on 2 row 12 Module GI Modular type switch board with 2 row 12 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc .

Supply & Fixing 240 V, 25 A, 3 pin Modular type plug socket [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem], without plug top and switch with 2 Module GI Modular type switch board with top cover plate flushed in wall and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supply & Fixing 240 V, 25 A, Modular type starter [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia / L&K enGem] with 25A Modular switch type DP MCB (C-Curve) and 4 Module GI Modular type switch board with 4 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

SUB-HEAD 3--- Supply of Light Fittings

Supplying, installation, Testing & Commissioning of LED Industrial Batten light made of CRCA Sheet Body (Thickness ≥ 0.50 mm) and construction as per relevant IS, along with LED lamp (Opal finish polycarbonate housing with Aluminium end-cap), Driver efficiency >85%, Operating voltage AC 140-270 Volt, freq 50/60 hz, Operating temp range 0o to 40o C, internal surge protection of 2.5 KV with Short & Open circuit protection ,THD < 10% , P. F.≥0.95, IP20, CRI >80, Flicker free, (flicker should be below 5%), life time (LED, Driver & electrical circuitary), of minimum 40000 Burning Hours, with 70% of initial Lumen maintained till life ends, CCT 3000°K / 4000°K / 5700°K /6000°K/6500°K (As per ANSI Bin), SDCM (Standard Deviation Color Matching) <5, Maximum power consumption should not more than the specified rating and Fixture shall be of relevant BIS standard and trade mark certificate ( T.C.). Manufactures Word Mark/ Name Engraved/ Embossing/ Screen printing on housing. complete in all respect i/c connections with 1.5 sq mm FR/FRLS, PVC insulated copper conductor single core cable and earthing etc. as required with Minimum 3 year OEM warranty. LM79 & LM80 Test report from NABL lab for all testing required for LED fixtures as per BIS shall be submitted. Shape size and CCT shall be as approved by Engineer-in-Charge as per requirement. (Thermal management: heat sink of aluminum housing such that LED junction temperature shall not rise above 90°C). Fixing arrangement shall be as below:

Fixing single/twin LED light fitting complete with all accessories directly on wall/ceiling/HW round block and suitable size of MS fastener, as below:

Single fittings along with S/F of 1 no. 18-20 W LED lamp as per specification

Supply & Delivery of minimum10-12 Watt LED Bulkhead light fittings complete with all accessories having die cast aluminium housing finished in premium white powder coating with CCT (5700K-6500K) having minimum luminous efficiency of 100 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

Supply & Delivery of 240V, 9 watt LED lamps of following wattage with glare free light distribution having minimum luminous efficiency of 100 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

SUB-HEAD 4-- Fixing Of Light Fittings

Fixing only bulk head ceiling fitting/ wall bracket fitting on wall /ceiling by screws etc.

Fixing oonly Lamp.

SUB-HEAD 5 -- Supply & Fixing Of Fans

Supplying, installation, Testing & Commissioning of 230V, 1-phase AC ceiling fans incl. all accssories, the capacitor of fan must be P-2 type brust proof & must have safety wire directly linked from fan hook to stator of fan, complete with blades, canopy, fork, rubber bush etc. incl. S&F connecting wire for down rod upto 30 cm incl. painting the rod with approved paint and making necessary connection as required by 2x1.5 sqmm flexible copper wire. [Make: Crompton HS Plus/Usha Striker Plus/Havells SS-390/Orient Summer Cool]

48" (1200 mm) sweep

Supplying, installation, Testing & Commissioning of 230V, 1-phase AC exhaust fan after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust fan of following diameter, complete as required. [Make: EPC Electrical Pvt. Ltd. /Crompton/Havells/Orient]

9" (230 mm) sweep, 1370 rpm

12" (300 mm) sweep, 920 rpm

Supply & Fixing 240V, Modular Socket (2 Module) type fan regulator (Step type) (Brand approved by EIC) on existing Modular GI switch board with top cover plate incl. making necy. connections etc.

Supply & Fixing GI louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long)

9" (230 mm) sweep, 1370 rpm

12" (300 mm) sweep, 920 rpm

SUB-HEAD 6--BDB,PDB,VTPN ETC

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. [Make:L&T/Legrand/ABB/SIEMENS/Schneider]

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS [Make:L&T/Legrand/ABB/SIEMENS/Schneider]

6-32 SP MCB

32A DP MCB

40A DP MCB

Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB horizontal / vertical / SPNDB enclosure with IP-42/43 as per GS.

16 Way (SPNDB)

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for two/four pole MCB, concealed in wall after cutting he wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment.

SUB-HEAD 7-- Polythene pipe and wires

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Make: Havells / RR Kabel / Polycab) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required

3 x 22/0.3 (1.5 sqmm)

2x36/0.3 (2.5 sqmm) + 1x22/0.3 (1.5 sqmm) as ECC

2x56/0.3 (4 sqmm) + 1x36/0.3 (2.5 sqmm) as ECC

2x84/0.3 (6 sqmm) + 1x56/0.3 (4 sqmm) as ECC

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

Cutting Channel of size (40 mm x 40 mm) on masonry wall by Electric operated cutting machine incl. supplying & fixing heavy gauge 19 mm, 3 mm thick Polythene pipe by means of anchoring chemical (Hilti/Sika) and GI 'U' hooks of 8 SWG incl. supplying and drawing 18 SWG GI wire as Fish wire and mending good damages to original finish by using own tools and tackles

19 mm dia 3 mm thick polythene pipe without earth continuity wire

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes flushed in wall by housing the same after cutting brick wall incl. making earthing attachment, painting and mending good damages to building works.

150 mm x 100 mm x 65 mm

175 mm x 100 mm x 65 mm

Supply & Fixing bakelite / perspex top cover on existing Inspection board by Brass screws

150 mm x 100 mm x 65 mm

175 mm x 100 mm x 65 mm

SUB-HEAD 8-- Supplying & Laying of Cables

Supply of 2/4 Core XLPE / PVC Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes (Make: Havells / RR Kabel / Polycab).

4 core 25 Sq. mm

4 core 6 Sq. mm

2 core 6 Sq. mm

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

4 core 25 Sq. mm

4 core 6 Sq. mm

2 core 6 Sq. mm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :

4 core 25 Sq. mm

4 core 6 Sq. mm

2 core 6 Sq. mm

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed

Supplying & fixing medium gauge 50 mm dia. GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required

SUB-HEAD 9 -- Metering Arrangement

Supplying and fixing 415V, 160A, TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.

Supplying & fixing sheet metal (16 SWG) Iron Clad Busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required – ( As per Drawing no. 470 of PWD Specification Book – May 1991)

415V, 200A, Cu.Bars [85mn long] 4x20x5mm, Sheet Metal Box 500xl50mm

Supply & Fixing Single Bakelite Sheet Board (30" x 18") on wall with necy. Nuts, Bolts, Serews etc. as required incl. Supply & Fixing 3 Nos. 500V, 100A cutout (Make - Havells, Cat No. IHKKDN4100) and 1 No. Neutral Bar on Porcelain insulator on hylam sheet for cutout installation.

Supply & Fixing of single phase LED display Energy Meter, Type: Single-phase, two-wire, solid-state (static), fully electronic energy meter. Current Rating: 5-30A. Voltage Rating: 240V (Phase to Neutral) Frequency: 50Hz. Accuracy Class: 1.0, ( Make - L&T, WL4000210000 )

Supplying and fixing Sheet steel Main Switches on flat iron frame on wall

240V, 32A DP with fuse on L&N

415V, 16A TPN with fuse on L&N

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Make: Havells / RR Kabel / Polycab) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required

2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC

SUB-HEAD 10 -- Roof top Light

Supply & erection of mini pole of size 2 Mtr. long & 80 mm. dia (ISI Medium) on roof top incl. arrangement for suitable entry for cable/alkathene/polythene pipe, for street light wiring (without Loop Box) with hole for smooth cable entry and arrangemenet hole for fixing arm at appropriate position and having 15 mm. thick stifner plates duly welded to base plate & pole cap as per direction of E.I.C.

Extra on items 1& 2 above, for providing CC (6:3:1) base block (around the pole) dimension 0.60x0.60x0.76 mt. above ground level, neatly cemented finish (3 mm thick), at the base pole (in lieu of CC muffing) incl. drilled hole in pole suitable for alkathene/polythene pipe entry, for street light wiring, without Loop Box

Painting of Steel Tubular Pole of lengths and no. of coats of paint, as given below with ready mixed paint/primer of approved make, and brand incl. preparation of surface by sand paper/emery paper, cleaning etc. for receiving fresh coat of paint. Upto 9.0 mtr. long pole

1st coat of aluminium paint over 1 coat of RO priming (Make: Asian Piants / Nerolac / Shalimar Paints).

2nd coat of aluminium paint over 1st coat (Make: Asian Piants / Nerolac / Shalimar Paints).

Supply and Fixing medium gauge 25mm dia. (Under ground type) HDPE pipe protection for cable with necessary fittings as required.

Supply and embedding 32mm dia. GI pipe (medium class) in pole collar/foundation (during casting) for cable entry including bending the pipe to the required shape complete asrequired.

Supply and Fixing of single arm header assembly fabricated from 40mm dia. GI Pipe (ISI-M) of following length rigidly welded with 80 mm dia. GI Pipe (ISI-M) of 0.3 Mtr. long as pole sleeves at an angle of 105⁰ including S/F 3 Nos ½” MS jam nut each with 1No. ½” dia. through bolt, pole cap and painting as to GS of the entire assembly.

Supplying & Fixing GI waterproof type looping cable box size 200x150x100 mm deep having 4 mm thick comprising of one 250 V 15 A kit-kat fuse unit, one NL on porcelain insulator, one compression type brass cable gland for upto 2- core 16 sqmm PVC/A cable and having lined with rubber gasketted GI top cover with brass machine screws etc., earthing terminal with lug, on steel tubular pole near base, including S&F 40x6 mm thick, MS clamps with bolts, nuts etc. including painting with anticorrosive paint

Supplying, installation, Testing & Commissioning of Street light LED fixture powder coated pressure die cast aluminum body with driver as per the requirement with Driver efficiency >85%, Input voltage: 140-270 Volt AC, freq 50/60 hz, Operating temp range 0o to 45o C, internal surge protection of 5 KV L,N,E as per IEC 61000-4-5, Driver efficiency >85%,THD < 10% as per IEC 61000-3-2 , P. F.≥0.95, IP- 66, IK-As specified below, CRI >70, under voltage and over voltage protection, EMI- EMC As per CISPR -15, lenses for beam angle as per IESNA type I/II/III as per the width of the road and the project requirement., suitable to fit in up to 65mm dia pipe, life time (LED,Driver & electrical circuitry) of minimum 50000 Burning Hours with 70% of initial Lumen maintained till life ends as per LM80 extrapolation IES TM-21-11 report, CCT 3000°K / 4000°K / 5700°K /6000°K/6500°K (As per ANSI Bin), SDCM (Standard Deviation Color Matching) <5, Maximum power consumption should not more than the specified rating and Fixture shall be of relevant BIS standard complete in all respect i/c connections with 1.5 sq mm FR/FRLS, PVC insulated copper conductor single core cable and earthing etc. as required with Minimum 5 year OEM warranty. LM79 & LM80 Test report from NABL lab for all testing required for LED fixtures as per BIS shall be submitted. Shape size and CCT shall be as approved by Engineer-in-Charge as per requirement. (Thermal management: heat sink of aluminum housing such that LED junction temperature shall not rise above 90o C). System lumen efficacy shall be as below: System lumen efficacy ≥110 <135 lm/Watt (IK-8)

120 Watt (Make: Philips / Crompton / Havells).

Supply and Drawing of XLPE Insulated & unarmoured stranded Copper Conductor cables through 19mm dia 3mm thick Polythene Pipe from loop box to light fitting having following numbers of core for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR KABEL / Havells).

3 Core 1.5 Sqmm

SUB-HEAD 11 -- Earthing Installation

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe

Excavation of soil for installation of Earth Electrode and filling & ramming as to GS [For soft soil].

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Extra for treatment of soil by using salt & charcoal or coke for plate electrode

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments to earth busbar including S & F No. 4 SWG GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages

SUB-HEAD 12 -- MISCELENEOUS

Dismantling of whole old existing wiring, ceiling fan, exhaust fan, On Board, DBs, Main Switch, etc. carefully, with skill labour by Co's own tools ald tackles.

Supplying & Fixing 240 V AC/DC superior type Ding-Dong Call Bell (Anchor) on HW board incl. S&F HW board

Add GST on above all items @ 18%

Add LWC on above all items @ 01%

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