WBPWD/EE/PED/NIQ09 /2022-2023

Amount

Supplying & erection of foundation of 125 KVA D.G.Set(silent) at outdoor having dimension given below a)4 inch deep(below ground)PCC of size 4500 mm x 2450 mm & 300 mm above G.L. b) 15 inch thick brick wall,4 inch deep PCC keeping central part as follows- c) Filling the hollow portion with mixture of sand & shifted soil. d) 6 inch deep RCC with 12 mm double mesh rod at the top of the brick foundation of size 4500 mm x 2450 mm & 300 mm incl providing foundation bolts,jum nuts etc.

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.

Incomming: i)415V, 250 A ,TPN on load front operated Change over switch open execution type ( Make - L& T) - - 1no[D-2/3(b)]

ii)415V, 250 A, TPN SFU incl 3 nos HRC Fuse ( Make -L & T) - 1no [D-4/4(b)]

Busbar:- 415v, 315 A four BAR CU bus bar [4 x 40 mm x 5mm]- 1.3 mtr length with heat shirnk PVC colour tube insulated with DMC bus support - 1 set

Out going :1. 415V, 160 A,TPN SFU incl 3 nos HRC Fuse ( Make - L & T)--1 nos [D-4/4(b)]

2. 415V, 100A TPN SFU incl 3 nos HRC Fuse ( Make - L & T)--2 nos [D-4/4(b)]

3. 415V 63A ,TPN SFU incl 3 nos HRC Fuse ( Make - L & T)--1 nos [D-4/4(b)]

4. 32 A ,TPN SFU incl 3 nos HRC Fuse ( Make - L & T)--3 nos [D-4/4(b)]

32A DP MCB (Ç'characteristics, breaking capacity 10 KA) (Make-Legrand) - 4 nos [D-6/7]

(ii) CT 250/5A ratio -3 Nos [Kappa]

(iii)2A SPMCB (C-curve, 10KA)-3Nos [L&T/LEGRAND/SIEMENS]

(iv) LED type indicating lamp (Red, Yellow & Blue colour)-3 Nos [L&T/LEGRAND/SIEMENS]

(v) Danger Notice Board (8" x 12")-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 as directed by E.I.C 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 . 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 9 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.

Supply of XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make Nicco / Fort Gloster/ Crystal/ Polycab]

3.5 core 185 sq mm [NS]

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed. [ F-2/ 1(b) ]

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required as following size as per GS.

100 mm dia [ F-6/11(g)]

Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/ Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ and 4 core as per GS. [F-1/3-(b)]

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

3.5 core 185 sq mm [[F-4/7(d)]& F-5/8(b)(xxi)]

S & laying 50 sq. mm. single core multistrand PVC insulated flexible Cu cable in following manners from earth electrode to neutral earth busbar and from earth busbar to transformer neutral point as required (for transformer neutral earthing)

S& laying 2.5 sq. mm. 10 core multi core multistrand PVC insulated flexible Cu cable in uPVC / GI pipe from DG to separate AMF panel.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. [ FOR PANELS AND EQUIPMENTS] [ G-1/2(c)]

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. [FOR DG] [ G-1/2(b)]

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

For Morrum Soil [G-1/1(b)]

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 as per GS.[G-2/3(a) ]

Extra for treatment of soil by using salt & charcoal or coke for plate electrode as per GS. [G-2/3(b) ]

Supplying & fixing earth busbar(Length- 1.0 mtr) 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.[ EARTH BUSBAR FOR PANELS AND WORKSHOPS] [G-2 /4(b)]

Connecting the equipments body to earth busbar including S & F 50 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. as per GS. [G-3/5(e)]

Connecting the equipments to earth busbar including S & F 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.

4 SWG [G-2 /5(a)(i)]

Dismantling of existing Industrial type panel, SFUs, Changeover switches, Cables etc and refixing of Changeover switches or SFUs on angle iron frame with S&F 25 x 25 x 5 mm MS angles as required including necessary connections after adjusting Less Cost for above mentioned dismantled unservicable materials as per direction of EIC.

MOON LIGHT HOUSE

RAKSHIT ENTERPRISE

T.D.K. ENTERPRISE

BANERJEE CONCERN

RAHUL TRADERS