Electrical Renovation and Maintenance Work of VSRC Hall old block and new block at IIT Kharagpur.

Amount

Wiring for light point / fan point /call bell point / exhaust fan point with 1.5 sq mm FRLS PVC insulated copper conductor single core cable in surface / recessed with medium class PVC conduit/Casing caping, modular switch, modular plate, suitable size GI box and earthing the point with 1.5 sq mm FRLS PVC insulated copper conductor single core cable etc as required. Make - Wire:-Finolex/RR Kabel/Polycab/ equivalent appoved by EIC. Make: Conduit/Casing -caping:-Presto-plast/Precision/ Polycab/equivalent appoved by EIC.

Above 6 metres .

Wiring for circuit / submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor , single core cable in surface / recessed with medium class PVC conduit/Casing caping as required. Make-Wire:- Finolex/Havells/RR Kabel/equivalent appoved by EIC. Make: Conduit/Casing -caping:-Presto-plast/Precision/Polycab/equivalent appoved by EIC.

2 X 1.5 sq mm +1 X 1.5 sq mm earth wire

2 X 2.5 sq mm +1 X 2.5 sq mm earth wire

2 X 4 sq mm +1 X 4 sq mm earth wire

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. Make-Conduit -:Presto plast/Precision/Polycab/equivalent appoved by EIC.

Supplying and drawing following sizes of FRLS PVC insulated 1.1 kv grade copper conductor, single core cable in the existing surface /recessed steel / PVC conduit as required. Make- Wire:- Finolex/Havells/RR Kabel/equivalent appoved by EIC.

3 X 1.5 sq mm

3 X 2.5 sq mm

3 X 4 sq mm

Painting on G.I sheet with two coats of synthetic enamel paint of Asian paints/Berger/equivalent appoved by EIC of required colour to give an even shad including a coat of approved steel primer after cleaning the surface.

Supplying and fixing metal box(ISI marked) of following sizes on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc as required.

75 mm X 75 mm X 60 mm deep

100 mm X 100 mm X 60 mm deep

150 mm X 150 mm X 60 mm deep

180 mm X 100 mm X 60 mm deep

200 mm X 125 mm X 60 mm deep

Supplying and fixing following sizes / modules, GI box along with modular base & cover plate for modular switches in recess etc. as required. Make- Crabtree (Athena) for new work and Crabtree(Thames) for maintenance work in the existing switch boards/Wipro (Nowa)/Legrand (Myrius) and Legrand(Mylinc),MK(Wraparound plus)/equivalent appoved by EIC.

1 or 2 Module

3 Module

6 Module

Supply and fixing of modular type Surface mounted plastic box on wall with inner, outer plate, modular cover of the following sizes for fixing of switch, socket, regulator etc. with necy. connection, and mending good the damages including painting. This includes disconnecting and dismantling the old items and depositing them to store. Modular board and cover Make-Crabtree (Athena) for new work and Crabtree(Thames) for maintenance work in the existing switch boards/ Wipro(Nowa) /Legrand (Myrius) and Legrand(Mylinc) / MK (Wraparound plus)/equivalent appoved by EIC.

Supplying and fixing following modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required .This includes disconnecting and dismantling the old items and depositing them to store.Make-Crabtree (Athena) for new work and Crabtree(Thames) for maintenance work in the existing switch boards/Wipro(Nowa)/Legrand (Myrius) and Legrand(Mylinc) for SAM hall maintenance)/MK (Wraparound plus)/equivalent appoved by EIC.

5 /6 amps switch

15 /16 amps switch

3 pin 5 /6 amps socket outlet

6 pin 15 / 16 amps socket outlet

Bell push

Supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required. Make : Anchor penta/SSK/ equivalent appoved by EIC.

5/6 A switch

15/16 A switch

3 pin 5/6 A socket outlet

6 pin 15/16 A socket outlet

20A & 10A combined socket(3in 1) equivalent to Cat No-39998 of Anchor. Make: Ancho/SSK/equivalent appoved by EIC.

S&F of step type, capacitor type electronic fan regulator equivalent to Cat No- 38284,Anchor on board existing with all connection as required.Make: Anchor

Supplying and fixing call bell/ buzzer suitable for single phase, 230 volts, complete as required. Make-Anchor/SSK/equivalent appoved by EIC.

Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required.Make-Anchor/SSK/equivalent appoved by EIC.

Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required Make- Crabtree Thames platinum range/Wipro Nowa/Legrand Myrius/Mylinc range/MK - Wraparound/equivalent appoved by EIC.

Dismantling of old and unusable wirings, cables, DB, Earth spikes, unusable earth strips, Board with switch, socket,light fittings etc. from one room and cleaning the areas. Dismantling items should be deposited to the store as per direction of the site in charge..

Fixing the louvers / shutters complete with frame for a exhaust fan of all sizes.

Earthing with GI earth pipe 4.5 mtr long, 40 mm dia including accesssories and providing masonary enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/coke and salt as required.Make: TATA(Medium)/Bansal(Medium)/Jindal(Medium)/ equivalent appoved by EIC.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required. All Joints should be done after 4"over lapping of the strips and by welding only.

Fixing of followings size DB directly on surface / recessed /on flat iron legs on wall including necessary connection as required. (DBs/ switch fuse unit: Department supply).

SPN MCB DB (4 to 16 way)

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator) Make-Legrand/Hager/Seimens/equivalent appoved by EIC.

6 way , Double door

8 way , Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, “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. Make- Legrand/Hager/Seimens/equivalent appoved by EIC.

Single pole

Double Pole

Supplying and fixing 40A to 63A, 240/415 V MCB of Breakingcapacity 10kA & C characteristics on din rail of existing DB’s and necessery connection

Single pole

Double Pole

Triple pole

Four pole

Supply and fixing 3 mm thick phenolic laminated sheet as per requirement including necessary cutting to fix switch and sockets.

Supply & Fixing angular batten holder (Anchor) on 75mm dia PVC round block / round bakelite on wall/ceiling.

Supply, Installation, Testing and Commissioning of 4 ft ,2200 lumen, Efficacy=>100 lm/watt, poly carbonate body complete led batten set , 6500K ,CRI >=80 , P.F >0.9, Beam angle=>120 degree, THD <=20% , surge protection of min. 2.5kV, Driver efficiency=> 80%,Operating voltage range 100-300V. Make:Philips/Wipro/ Havells/Bajaj/ Crompton/quivalent approved by EIC Note: 1. Manufacturerer has to provide LM 79 certificates from NABL accredited laboratories/Govt. approved Labs. 2. Contractor has to provide Two years replacement guarantee of the total LED sets i.e for lamps, driver units etc after installation and commissioning of the units at site. 3. Labeling on each fittings and lamps with paint/permanent markers mentioning brief description of the Hall, date of installation, date of expiry of guarantee etc is mandatory for identification and maintaining of replacement records etc without which the contractor will not be allowed to work.

Supply, Installation, Testing and Commissioning of 1200 lumen ,Efficacy=>100 lm/watt, PVC,surface mounted square/round type led set , 6000K ,CRI >=80 , P.F >0.9, Beam angle=>120 degree, THD <=15% ,, efficacy=100 lm/watt,IP 66 protection,. Make:Philips/Wipro/ Havells/Bajaj/ Crompton/quivalent approved by EIC Note: 1. Manufacturerer has to provide LM 79 and LM80 certificates from NABL accredited laboratories/Govt. approved Labs. 2. Contractor has to provide Two years replacement guarantee of the total LED sets i.e for lamps, driver units etc after installation and commissioning of the units at site. 3. Labeling on each fittings and lamps with paint/permanent markers mentioning brief description of the Hall, date of installation, date of expiry of guarantee etc is mandatory for identification and maintaining of replacement records etc without which the contractor will not be allowed to work.

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: 23 cm (9")

Supply, Installation, Testing and Commissioning of 230 mm sweep, metal exhaust fan with metal guard, double ball bearing, Air delivery minimum 860 CMH, 1400 RPM (tolerance as per IS : 374-2019) with copper winding, suitable for 230 V, 50 Hz, single phase AC Make: Make: Havells/Crompton Greaves/ Polar/ Usha/Orient /Equivalent approved by EIC

Supply, Installation, Testing and Commissioning of 1200 mm sweep, BEE 5 star rated, ceiling fan with Brush Less Direct Current (BLDC) Motor, class of insulation: B, 3 nos. blades, 30 cm long down rod, 2 nos. canopies, shackle kit, safety rope, copper winding, Power Factor not less than 0.9, Service Value (CMM/W) minimum 6.85, Air delivery minimum 215 CMM, 350 RPM (tolerance as per IS : 3742019), THD less than 10%, with fixed type regulator unit for speed control and all remaining accessories including safety pin, nut bolts, washers, temperature rise=75 degree C (max.), insulation resistance more than 2 mega ohm, suitable for 230 V, 50 Hz, single phase AC Supply, earthing etc. complete as required.

Supply and fixing of lumen output => 600, Efficacy=> 85 lm/watt,6000K,,B22 base led bulb. p.f greater than 0.9, with integrated electronics driver suitable for decorative fittings . Make: Philips/Havells /GE or equivalant approved by EIC. 1. Contractor has to provide Two years replacement guarantee of the total LED sets i.e for lamps, driver units etc after installation and commissioning of the units at site.

LALIN SINGH CONSTRUCTION

Modern Software Systems Private Limited

Calcutta Power Construction Co.