Special renovation and rectification of existing fire prone EI works in parity with Civil renovation at Nursing Training School under MJN MCH, Cooch Behar

Dismentling the existing E.I. work by Co's own tools & tackles by maintening normalcy as far as possible as per direction of EIC (carrying cost for all dismentled materials to the store & cleaning of scrap materials from the working site upto the nearest dumping area included)

Sub Head 01---Distribution wiring

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), 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 Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish

Av. run 8 mtr

Av. run 10 mtr

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (make-Finolex/Havells/KEI) in 20mm/25mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required

2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

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

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

Sub Head 02--- Distribution Box

Supplying and fixing double door Horizontal TPN MCB Distribution board with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment [Make: Legrand/ ABB/ SIEMENS/ Schneider / L&T]

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: Legrand/ ABB/ SIEMENS/ Schneider/ L&T]

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection. [Make: Legrand/ ABB/ SIEMENS/ Schneider/ L&T]

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

Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB Vertival enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts bolts etc incl. provision for earthing attachment.

6 Way Horizontal

Supplying and fixing 415V, TPN SFU with sheet steel enclosure on angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating. [Make: Legrand/ ABB/ SIEMENS/ Schneider/ L&T]

Sub head 03--- Plug & socket

Distn. wiring in 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) in 19 mm bore, 3 mm thick polythen pipe complete with all accessories embedded in wall to 240 V 5A 3 pin plug point incl. S&F 240 V 5A 3 pin flush type plug socket & piano key type switch (Anchor make) incl. S&F earth continuity wire, fixed on sheet metal (16 SWG) switch board with bakelite/perspex (wall matching colour) top cover (3 mm thick) flushed in wall incl. mending good damages to original finish (2x22/0.3 (Ph. & N) and 1x22/0.3 as ECC)

On Board

Average run 4.5 mtr

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Supply & Fixing 240 V, 3 nos. 6A, & 1 no. 20A plug socket with separate 3 nos. 6 A & 1 no. 20A Piano key type switch, indicator & 20A switch type SP MCB (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 240x200x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Sub head 04---- Supply of Light fittings

Supply & Delivery of following LED Industrial Batten light (System lumen efficacy ≥110 lm/Watt) 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).

Single Batten Fittings (1 x 18/20 Watt)

Supplying, installation, Testing & Commissioning of Flood Light, powder coated pressure die cast aluminum body with built in or separate driver as per the requirement with Driver efficiency >85%, Input voltage: 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-7, CRI >70 , under voltage and over voltage protection,

EMI- EMC as per CISPR -15 , lenses for beam angle 30 deg-120deg as per the application and the project requirement deg., suitable tilt able fitting, life time (LED, Driver & electrical circuitary) 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 90°C). (System lumen efficacy ≥110 <135 lm/Watt)

Sub head 05---- Fixing of Light Fittings

Fixing only single /twin fluorescent light fitting complete with all accessories directly on wall/ceiling/HW round block and suitable size of MS fastener

Fixing only single/twin fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports fixed with “L” type MS clamp whose one side fixed on ceiling with sutable size 4 nos. fastener and other side connected with the conduit with suitable size of bolts and nuts incl. S&F EI conduit, “L” type (125mmx125mm) 6mm thick and 25mm with MS clamps and connecting the length of PVC insulated wire and mending good damages to original finish and painting etc. by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length

Fixing only Floodlight Fitting with suitable tie clamps and MS plate for mounting on Pole/Tower or similar structure.

Sub head 06---- Supply of Fan Fittings

Supply & Delivery 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. [Make: Crompton / Usha/ Havells/ Orient]

Sweep Size- 1200 mm (48"), Wattage ≤ 55 Watt, R.PM ≤ 350, Air Delivery ≥ 220 C.M.M

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 /Crompton /Usha /Havells/Orient]

300 mm (12"), 4 Blade, RPM ≤ 1420 , Wattage ≤ 82 Watt, Sound level ≤ 56 dB, Air Displacement (In CFM) ≥ 1120

Sub head 07 Fixing of fan fittings

Supplying & Fixing MS fan clam of two piece type for RC ceiling as per approved specification, fabricated from 40 mm x 9 mm MS flat including making good damages to building roof with satisfactory finishing and painting (As per drawing no 475 of PWD specification book---May 1991)

Supply & Fixing Socket type fan regulator (Step type) (Make Anchor) on existing sheet metal switch board with bakelite/ perspex top cover by screw incl. making necy. connections etc.

Fixing only ceiling 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 as per G.S.

Fixing only 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 of following diameter

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

Sub head 08---- Cable works

Supply & Delivery of 4/3.5 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR /KEI/ Havells/ Gloster as approved by E.I.C]

4 core 16 sqmm

Laying of cable of following sizes on existing cable tray and binding with suitable size GI wire incl. with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, as mentioned below as to GS:-

From 70sqmm to 150sqmm

Sub head 09---- Gland & Socket/finishing

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 16 sqmm

4 core 50 sqmm

4 core 120 sqmm

4 core 150 sqmm

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 16 sqmm

4 core 50 sqmm

4 core 120 sqmm

4 core 150 sqmm

Sub head 10---- Miscelleneous

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support with 25X25X3mm angle iron support

200x50x1.25mm (18SWG) (With 25x25x3mm angle iron support)

S & Fixing 240V AC/DC superior type Ding-Dong call bell (Anchor) on HW board incl. S&F HW board as per GS

Sub head 11---- SITC of LT Panel

Supply and installation of L.T. cubical type fully compartmentalized distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40x6 mm MS angle iron). The base of panel should be made with 75mm x 40mm x 4.4 mm M.S. channel. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel.

Construction Details :

All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.

Incoming Arrangement :

a) 415V, 220 Amps Four Pole MCCB of Breaking capacity 50 kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (Make: L&T/Legrand/Schenider/ABB/ Siemens)---- 1 No.

b) 415 Volts, 200 Amps, on load front operated TPN changeover switch (open execution type) (Make: L&T/Legrand/ Schenider/ABB/Siemens)- 1No.

Bus bar section :

415 V, 315 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification- 1 set.

The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.

Outgoing Arrangement :

a) 415V, 100 Amps Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make: L&T/Legrand/Schenider/ABB/ Siemens)---- 6 No.

b) 415V, 63 Amps Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make: L&T/Legrand/Schenider/ABB/ Siemens)---- 2 No.

c) E.I. Danger Board of suitable size ------- 1 no.

Metering Panel:-

b) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Siemens cat.no 3SB5285-6HC03, 3SB5285-6HD03, 3SB5285-6HF03 or equivalent cat of L&T/ABB/ SCHNEIDER) - 1 No.

c) 500/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.

d)S & F 2 Amp SPMCB for auxiliary supply to meters (Make- SIEMENS/L&T/Legrand) - 1 no.

Interconnection :-

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pvc insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper with proper socketing of the end of each wire leads.

Earthing Arrangement :-

A separate continuous aluminum earth busbar of appropriate size is to be painted at the inside bottom of the panel and run across the full load of the panel board. All electrical equipment are to be properly earthed with suitable size G.I. strip.

The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.

Installation :-

The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C.

Sub head 12 Earthing work

Excavation of soil for installation of Earth Electrode and filling & ramming.

For Soft Soil

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:

ISI medium

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

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 body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

Note: 1) All the above rates should be quoted inclusive of all taxes, duties and all ancilery charges with cost of maintenance, servicing, supply & replacement of spares for 1 (One) year from the date of commissioning. 2) Total is rounded off to the nearest rupees.

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