WBPWD/EE/ HED / NIeT-108 (3rd Call) of 2024-25

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 Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board on wall complete with 2 no. “Ph & N” copper bar incl. bakelite/ Perspex top cover 3 mm thick and incl. 175x100x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish [only PVC Rigid Conduit on ceiling and remaining portion concealed]

12 Mtr [5(g)/ E-15 ]

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 polythen pipe complete with all accessories embedded in wall to 240 V 5A 3 pin plug point as per GS with following average run.

On Board [ 4 (a)(i) / E- 10 ]

SUB-HEAD 2--BDB,PDB,VTPN ETC

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS.

2+8 Way [Siemens Enclosure(8GB32102RC10)/ Schneider Enclosure-(A9HSND08) or equivalent model of Legrand/Crabtree] as per direction of EIC.[ 13 / D- 9 & D-10 ]

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) [14 / D- 10]

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.

6 Way ( Up to 160 A ) Make - Legrand, Enclosure 607914/Schneider-Enclosure-A9HVD08M/L&T,Enclosure- (LTVD08MGN) [15 / D- 11 ]

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

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) as per direction of EIC.]

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) as per direction of EIC. ]

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

8 Way (Horizontal) [16/D-12]

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) ( Extra wiring) [1(b) / E- 9 ]

2x(2.5 sqmm) + 1x(1.5 sqmm) ( PP & Computer board) [ 1(s) / E-9 ]

2x(6 sqmm)+1x (4 sqmm) (TPN to SPN ) [ 1(y) / E- 9 ]

4x(10 sqmm)+2x (6 sqmm) (VTPN to TPN ) [ 1(d1) / E- 9 ]

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 [ 7(a)/ E- 16 ]

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

175 mm x 100 mm x 65 mm [11(c)/E-4]

200 mm x 150 mm x 65 mm [11(d)/E-4]

Supply & Fixing bakelite / perspex top cover on existing switch board by Brass screws after making housing for switch by cutting bakelite / perspex cover and making necessary connections as required.

175 mm x 100 mm x 65 mm [12(c)/E-4]

200 mm x 150 mm x 65 mm [12(d)/E-4]

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

a) 2.5 sq mm [9(i) / F-5]

c) 6 sq mm [9(iii) / F-5]

d) 10 sq mm [9(iv) / F-5]

Supplying and fixing 415V, FP Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc [Make- L&T/ Havells/HPL as approved by E.I.C].

125 A [3(A)/D-2] (For to emergency VTPN)

SUB HEAD 3-- SUPPLYING & LAYING OF CABLE

Supply of 4/3.5/2 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make- Gloster/KEI/Havells/Mescab as approved by E.I.C]

4 Core 50 Sq.mm. (from Emergency VTPN to TPN )

4 Core 95 Sq.mm (from panel to Normal VTPN)

Laying of cable from 3/3½ core 35 sqmm to 50 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy, mending good damages and painting. [ 2(c)/ F- 1 ]

Laying of cable after cutting floor/pavement/wall as per GS for the following Sizes.

Above 35 sqmm to 95 sqmm at an average depth of 100 mm in floor / pavement/wall etc. [ 5(ii)/ F- 3 ]

Laying of cable in underground trench as per GS for the following numbers of Cables.

above 35 upto 185 Sq. mm [1(b)/ F- 2 ]

Supplying & fixing medium gauge GI Pipe (ISI-Medium) Protection with necessary fittings as per GS.

40mm dia [11(c)/F-6]

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 50 Sq. mm [7(c)/F4 ]

4 Core 95 Sq. mm [7(c)/F4 ]

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 50 Sq. mm [ 8(b- xvi) /F5]

3.5 Core 70 Sq. mm [8(b- xvii) /F5]

SUB-HEAD 4 --SITC of 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.

Incomming Switch :

(a) 415V, 250 Amps TPN SFU units with HRC fuses (Make:- L&T / SIEMENS/ABB) in open exexution.---- 1 No.

Bus Bar :

500V, 600 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar [size of flat 3x80 mm x 13 mm ] 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 Switches :

(a) 415V 160 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95714 or equivalent cat of SIEMENS/ABB) in open exexution.---- 5 No.

(b) 415V 63 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95651 or equivalent cat of SIEMENS/ABB) in open exexution.----3Nos.

Metering Panel a) LCD Multifunction Digital Panel Meter [L&T cat no.-WL441010OOOO or equivalent cat of SIEMENS/ABB]-- 1 set c) 230V R.Y.B. LED indicator lamp -(SIEMENS/L&T) ---- 3 nos. d) 250/5 Amp ratio C.T (Kappa) --- 3 nos. e) Slide lock fuse---- 3 nos.

Interconnection :-

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pve 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 :-

A separate continuous aluminum earth busbar of size 50mm x 6mm shall run across the full length of the panel board and brought outside the panel. All electrical equipment are to be properly earthed with suitable size G.I. wire.

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.

All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.

SUB-HEAD 5 -- EARTHING

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall as per GS. [4(a)/G-2]

Excavation of soil for installation of Earth Electrode and filling & ramming for Morrum Soil. [1(b)/G-1]

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. Long With TATA-Medium GI pipe as per GS [ 2(a)/G-1]

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) 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. [3(a)/G-2]

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. [5(d)/G-3]

Supply & fixing of 25 mm x 6 mm thick GI (Hot Dip) flat / strips for Horizontal & Vertical run on wall / floor with GI shaddles as required including drilling holes, bolts, nuts, washers, etc./ and mending good the damages to building works . [Page : G-3/Item-5d]

Add GST 18 %

Add Labour Cess 1%

R.D.ELECTRICAL ENGINEERING CO (BID ID -6191652)

ANEEK ENGINEERS CO OPERATIVE SOCIETY LIMITED (BID ID -6209329)