Construction of Light weight structure over the roof of Derozio Building for proposed Nalinikanta Bramho School of Data Science and Public Policy at Presidency University College Street Campus Kolkata 700073 during the year 2024 2025 Electrical Insta

Amount

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) 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 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 with following average run. [only PVC Rigid Conduit on ceiling and remaining portion concealed] 10 Mtr (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for horizontal run & above false ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for 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 pointswith Modular type switch (Brand approved by EIC) 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 tooriginal finish. [PVC Rigid Conduit only for horizontal run & above false ceiling and vertical run concealed 8 Mtr (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

10 Mtr (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

Distn. wiring in 3 X 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire in 19 mm bore, 3 mm thick polythene pipe complete with all accessories embedded in wall to 240 V 6A 5 pin plug point with MODULAR type switch as per GS. On Board (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] of following sizes on wall, ceiling with saddles and other accessories as required and mending good damages to building works. 20 mm size

25 mm size

Cutting Channel of required size on masonry wall by Electric operated cutting machine incl. supplying & fixing of heavy gauge Polythene pipe of following diameter as per GS. 19 mm dia 3 mm thick

25mm dia 3 mm thick

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire of the following sizes in the 19mm/25mm prelaid polythene pipe/PVC rigid conduit as per GS. 3 x (1.5 sqmm) (Finolex / KEI / Havells / Polycab / Gloster / RR/MESCAB)

2x(2.5 sqmm)+1x(1.5 sqmm) (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

2x(4 sqmm)+1x (2.5 sqmm) (for AC) (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

2x(6 sqmm)+1 x (4 sqmm) (for SPNDB) (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

4x(6 sqmm)+2x (4 sqmm) (for 3 phase AC) (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

4x(10 sqmm)+2x (6 sqmm) (for HTPN) (Finolex / KEI / Havells / Polycab / Gloster / RR/ MESCAB)

S & F solderless Copper socket by crimping of Copper wires. a)1.5 sq mm

b) 2.5 sq mm

c) 4 sq mm

d) 6 sq mm

e) 10 sq mm

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes(in mm ) flushed in wall & 3 mm thick bakellite cover as per GS 175 x 100 x 65

Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on wall as per GS as per direction of EIC. 12 Way ( Up to 250 A ) [ Make - Legrand, Enclosure 607915/Schneider-Enclosure-HVD12M/L&T,Enclosure- (LTVD12MGN) or equivalent cat of SIEMENS as approved by E.I.C]

8 Way ( Up to 160 A ) Make - Legrand, Enclosure 607914/Siemens-Enclosure-8GB31573RC)/Schneider-Enclosure-A9HVD08M/L&T,Enclosure- (LTVD08MGN) or equivalent cat of SIEMENS as approved by E.I.C]

4 Way ( Up to 160 A ) Make - Legrand, Enclosure 607913/Siemens-Enclosure-8GB31571RC)/ Schneider-Enclosure-A9HVD04M/ L&T Enclosure- (LTVD04MGN) or equivalent cat of SIEMENS as approved by E.I.C]

Supplying and fixing 415 V Four Pole MCCB of Breaking capacity 25kA/35kA in existing Vertical DBs including necessary connection as per GS [ Make - Legrand / Schneider/L&T/Siemens) as per direction of EIC] 63 A

Supplying and fixing double door Horizontal TPN MCB Distribution board with IP-42/43 protection, concealed in wall as per GS.( Make - Legrand/ Schneider/ Crabtree) as per direction of EIC. ) 8 Way Make - Legrand, Enclosure-607717/Schneider,Enclosure-A9HTND08/Crabtree, Enclosure- (DCDKTHODCW08)as per direction of E.I.C]

6 Way [Make - Legrand, Enclosure-607716/ Schneider, Enclosure-A9HTND06 /Crabtree, Enclosure- (DCDKTHODCW06 as per direction of E.I.C]

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS. 2+12 Way [Siemens Enclosure(8GB32102RC14) /Schneider Enclosure-(A9HSND12) /ABB-SCHM12] as approved by EIC.

2+8 Way [Siemens Enclosure(8GB32102RC10) /Schneider Enclosure-(A9HSND08) /ABB-SCHM8] as approved by EIC.

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for two/four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment 4-Way

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection as perGS [Make-Legrand/ Schneider/Siemens/ Crabtree/ L&T/ABB) as per direction of EIC. ] 100 A FP

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-Legrand/ Schneider/Siemens/Crabtree/L&T/ABB) as per direction of EIC. ] 6-32 SP

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 4/6/8/12 Way (Vertical)

6 Way (Horizontal)

8 Way (Horizontal)

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) 4 bars (415 V, 100/125 A) Dimension of Cu bars [85mm long](4 x 15x3mm) Dimension of Sheet Metal Box (500x150mm)

Supplying and fixing 415V, 315/320 A 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 as per GS. [ Make L& T /Havells/HPL].

Supplying and fixing 415V, 125 A 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 as per GS. [ Make L& T /Havells/HPL].

Supply of 4/3.5 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make Nicco / Gloster/KEI/Havells as approved by E.I.C]( Rate as per SE/KEC vetted rate memo no KEC/W-66/678 date 06.11.2024 page no 1 item no 1 to 1.15) 4 Core 35 Sq. mm

4 Core 50 Sqmm

4 Core 95 Sq. mm

Laying of cable after cutting floor/pavement/wall as per GS for the following Sizes. 4 Core 35 Sq. mm

35 to 95 Sq. mm

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)

300x50x1.25mm (18SWG)

Supply& Fixing of perforated GI cable tray bend with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member 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. 200x50x1.25mm (18SWG)

300x50x1.25mm (18SWG)

Supply & Fixing of perforated GI cable tray reducer with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the reducer 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. 200x50x1.25mm (18SWG)

300x50x1.25mm (18SWG)

Laying of cable as below, on existing cable tray and binding with suitable size GI wire . From 70sqmm to 150sqmm

Supplying and fixing compression type gland and finishing those for following XLPE / PVC armoured cable (2/4 / 3.5)Core as per GS. 4 Core 35 Sq. mm

4 Core 50 Sq. mm

4Core 95 Sq. mm

Supplying & Fixing GI Modular Switch Board of the following sizes complete with three no. suitable size Copper bar with holes (for Ph, N & E) fixed on bakelite/Hard Rubber insulator over the MS welded chairs incl. top cover flushed in wall for housing the board after cutting the brick wall incl. making earthing attachment, painting and mending good damages to building works 6 module

Supplying & Fixing modular type socket /socket (Legrand-Model Arteor/Myrius or equivalent model of Crabtree/ Equivalent make as per direction of E.I.C), in exsisting Modular board incl. connections.

16 A modular type switch

6 A 5-pin modular type three pin socket

6 A modular type switch

Supply & Fixing Modular type 240 V, 16A, 3 pin plug socket with separate 16 A Modular type switch(ake- Legrand-Model Arteor/Myrius or equivalent model of Crabtree/Equivalent make as per direction of E.I.C) on sheet metal switch board embedded in wall as per GS.

Supply & Fixing 240 V, 6 A, 3 pin Modular type plug socket (Legrand-Model Arteror/Myrius or equivalent model of Crabtree/Equivalent make as per direction of E.I.C) with 6A Modular type switch, without plug top on 4 Module GI Modular type switch board with 3 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 (Legrand-Model Arteor/Myrius or equivalent model of Crabtree/Equivalent make as approved by E.I.C), 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, 3 pin Modular type plug top with indicator (Brand approved by EIC) & necy. Connections..

Supply & Fixing 240 V, 25 A, Modular type AC starter (Brand approved by EIC) 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.

Supply & Fixing 240 V, 4 nos. 6 A, 3 pin Modular type plug socket with 4 nos. 6A Modular type switch (Legrand-Model Arteor/Myrius or equivalent model of Crabtree/Equivalent make as approved by E.I.C), 16A Modular switch type MCB (C-Curve) and Indicator without plug top on 2 row 18 Module GI Modular type switch board with 2 row 18 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, 4 nos. 16 A, 3 pin Modular type plug socket with 4 nos. 16A Modular type switch (Legrand-Model Arteor/Myrius or equivalent model of Crabtree/Equivalent make as approved by E.I.C), 20A Modular switch type SP MCB (C-Curve) and Indicator without plug top on 2 row 18 Module GI Modular type switch board with 2 row 18 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 and delivery of single/twin Industrial LED Batten luminaries incl. Supply of 1 no./2nos. 18W LED Tube Twin fittings [Philips make Cat No TMC 502 ,2 x T-LED 22W with MAS LEDTube 1200mm 18W ,865 T8I-21001m)/ Wipro/CG or equivalent make as approved by E.I.C incl. 2 no. Master LED Tube]

Single fittings [Philips make Cat No TMC 502, 1 x T-LED 22W with MAS LEDTube 1200mm 18W ,865 T8I-21001m)/ Wipro/CG or equivalent make as approved by E.I.C incl. 1 no. Master LED Tube]

S & D of 35/36 W, 2'x2' full glow recessed type Natural White or Warm White square LED downlight with die cast aluminium housing finished in premium white powder coating of efficacy 100 lumen/watt.( Make: Philips RC380B LED42S-6500 G6 L60W60 PSU OD S1/ Wipro CRCO1ORO3OHP57G3/approved by EIC) .

Fixing only 2'x2' recessed type light after cutting false ceiling, Incl. connections as per direction of EIC along with all accessories (NS)

S & F of 18W, 1'x1' recessed type Natural White or Warm White square LED downlight with die cast aluminium housing finished in premium white powder coating of efficacy 100 lumen/watt.( Make: Crompton, LCTLRNE-18-CDL(1X1) /Philips/Havells/approved by EIC) after cutting false ceiling, Incl. connections as per direction of EIC. NS

S & F of 230 V,50 Hz, 18W,100 Lumen/watt .PF 0.9, Natural White or Warm White circular LED round Down Lighter full lit luminaire with glare free uniform illumination efficacy ( Make: Philips SM251/261 LED20S 6500 PSU WH /Wipro LD06-221-XXX-57SMG1/Approved by EIC) Incl. connections as per direction of EIC. (NS)

S & F of 230 V,50 Hz, 6W,100 Lumen/watt .PF 0.9,Natural White or Warm White circular LED round Down Lighter full lit luminaire with glare free uniform illumination efficacy ( Make:Philips SM250/260 LEDTS 6500 PSU WH /Wipro LD06-670-XXX-57SMG1/ Approved make by EIC) Incl all necessary items (NS)

S & F of 10W surface mounted LED bulkhead light fittings with die cast Al housing & IP65 protection Incl. connections as per direction of EIC. (make- Philips WT202W LEDlOS NW PSU 53 PC / Wioro / as approved by E.I.C)

.Fixing only single/twin LED batten light fitting suspended from the ceiling fixed with “L” type MS clamp for RC ceiling / MS pipe as per GS direction of EIC

Fixing only single/twin LED Batten light fitting complete with all accessories Directly on wall/ceiling as per GS

Supply & Fixing angular batten holder (Anchor) on 75mm dia PVCround block / round bakelite on wall/ceiling as per GS

Supply and fixing 9 W LED bulb(Philips Eye Pro / Wipro eq) on existing batten holder (NS)

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

Supply & Delivery of ceiling fans with burst-proof P2/S3 Capacitor complete with all accessories without regulator. ( Make - Crompton Aura Prime Antidust/ Orient Quasar Ornamental/ Havells or equivalent model approved by EIC ) a. 1200 mm Sweep

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.

Supply & Delivery of heavy duty Exhaust fan(Make-EPC] of followinng sizes 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 incl. s&f louver shutter as per G.S. ) 12"( 300mm ) Speed 1420 RPM

9"( 230mm ) Speed 1370 RPM

Fixing only 12" 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

Fixing only 9" 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.

Fixing only 9" exhaust fan louver shutter

Supply & Fixing GI sheet (20SWG) metal Cowl with MS flat iron frame & GI wire mesh on wall as per GS (12")

Supply & Delivery of 450mm sweep wall bracket fan(high speed) with metal body & blades(Crompton 450 mm ACVORTEX18WM/EPC/Approved by EIC Make) with necessary wooden board on wall with nuts, bolts, washer etc

Fixing only cabin fan on wall/ceiling by S&F rag bolts, nuts & washers (6 mm dia x 62 mm long) or as reqd. incl. S&F 24/0.20 PVC insulated flexible copper wire 0.5 mt. Length. C-4/29

S & D of 450 mm sweep pedestal fan with metal body, blade etc. (Make- EPC/Crompton or equivalent make as approved by EIC).

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 240V, Modular Socket (2 Module) type fan regulator (Step type) ([Legrand-Model Arteror/Myrius or equivalent model of Crabtree/Equivalent make as per direction of E.I.) on existing Modular GI switch board with top cover plate incl. making necy. connections etc.

Fixing only ceiling fan complete with blades, canopy, fork, rubber bush etc as per GS

S & F 2.0" breadth 3 mm thick oval type aluminium channel by screws for covering & passing the wires for crossing one side to another side of the floor as per direction of EIC. NS

S & F of 415 V, 3ph, MUG-10 DOL starter with relay range 13-21A on angle iron frame as per GS. [Make: L&T, Cat No.- SS95983 or equivalent model of SIEMENS/ABB] NS

Making holes on brick wall / RCC ceiling 125 mm depth having dia of following sizes :125 mm depth, 100 mm dia. as to GS

S & F Lightning conductor Air-terminals made of 15 mm dia 1500 mm long GI pipe (ISI Medium) having five prongs of 4 SWG GI (Hot Dip) wire at top with 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. duly grouted on the parapet etc. in CC mortar (4:2:1)

Supply & fixing GI (Hot Dip) strips 20 mm x 3 mm thick for horizontal run on the Parapet/Roof/ Wall with GI Saddles 1100 mm apart incl. mending good the damages to building works as per GS

Supply & fixing of GI (Hot Dip) strips 20 mm x 3 mm thick for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good damages to building work as per GS

Making soldered joints between conductors, conductors and air terminals by 7/10 stranded GI (Hot Dip) wire or 20 mm x 3 mm thick GI (Hot Dip) wire / strip incl. supply of jointing materials & painting with 2 (two) coats of Bituminous paint

Making soldered joints between conductors and down pipes/ other metallic objects by 7/10 stranded GI (Hot Dip) wire including supply of necessary 4 SWG or 20 mm x 3 mm thick GI (Hot Dip) wire / strip incl. supply of jointing materials & painting with 2 (two) coats of Bituminous paint

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Supply & Fixing of Testing Joints by 20 mm x 3 mm thick GI (Hot Dip) strip 125 mm long grouted on wall having clearance of 6 mm from wall for making connection with thimbles at the end of 7/10 SWG GI (Hot Dip) stranded Wire and 4 SWG GI (Hot Dip) wire of vertical conductor and conductor from earth electrode complete with S & F thimbles, GI bolts, nuts, check-nuts, spring washers etc. as required as per GS

Cutting cornices/ steps etc. including cutting recess in buildings etc. & supply & fixing 15 mm bore (ISI-Medium) GI pipe protection as below and mending good damages to the building works: as per GS Length Upto 0.5 Mtr

Length above 0.5 Mtr

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation of overhead reservoir (vertical run) as per GS

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 [ By TATA-Medium GI pipe]

Excavation of soil for installation of Earth Electrode and filling & ramming. (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 mortar (inside) Cl 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.

Supply and laying 40 mm x 6 mm thick GI (Hot Dip) strips/tape directly in ground level from earth electrode and interconnecting all earth Electrodes surrounding lower portion of the building to form a grid structure as per direction of E.I.C

Connecting the equipments to earth busbar including S & F Solid GI (Hot Dip) wire of size as below as per GS No.-4 SWG

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall as per GS

Supplying fabrication & fixing 6 mm thick of size (50 mm x 50 mm x 6 mm) G.I 'L'-channelbar each 3 mtrs. length with all accessories to be fixed /projected from the wall of the building incl. making holes/providing clamping/ suitable size fasteners arrangement & necy drilling, Cutting, welding required for making on wall for installation of air terminal as per Diretton of E.l.C.( Only for Light Weight Structure on roof) NS

Note: 1) All the above rates should be quoted inclusive of all taxes & duties and LWC as applicable. 2) Total is rounded off to the nearest rupees.

SUBRATA GHOSH (BID ID -6575897)

BIKASH ENTERPRISE (BID ID -6516319)