WBPWD/EE-II/KNHED/NIQ-91/ 2025-26

Supply and installation of Sub-Main Distribution Board (SMDB) for power distribution consisting of following components: (a) SMDB Type - 12 ways (Make: L&K, Type TN630D O/G 250A 12Ways, cat no-DA62D1124CZZ0 or equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) -- 1 no.

(b) Incoming Device - 4 pole 400A MCCB (Make: L&K, Type DN3-400D 3 Pole MCCB - 400A, cat no -DZ6F0400DXD1AOOOO or equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) -- 1 no.

(c) Outgoing Device - 4 pole160 A (Make : L&K, Type DN1-250C 3 Pole MCCB - 160A, cat no DZ2F0160DXD1AOOOO or equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) 2 nos.

(c) Outgoing Device - 3 pole100 A (Make : L&K, Type DN0-100C 3 Pole MCCB - 100A, cat no DZ1F0100DXD1AOOOO or equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) 8 nos.

Outgoing Device - 3-pole63 A (Make : L&K, Type DN0- 100C 3 pole MCCB 63A, cat no -CM91612OOHOOG or equivalent model/cat of Legrand/ Havells/Siemens/ABB as approved by E.I.C) --2 nos.

(d) Bottom Cabling box for SMDB (Make -: L&K type TN630D, cat no- - CM91062OOOOor equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) -- 1 no.

(e) Meter Extension box for SMDB (Make -: L&K type TN630D, cat no-- CM91064OOTO or equivalent model/cat of Legrand/Havells/Siemens/ABB as approved by E.I.C) -- 1 no.

(f) Side Cabling box for SMDB (Make -: L&K type TN630D, cat no-- CM91120OOHO & CM91121OOHO or equivalent model/cat of Legrand/ Havells/Siemens/ABB as approved by E.I.C) -- 2 nos.

g) Corner box for SMDB (Make -: L&K type TN630D, cat no-- CM91089OOOO or equivalent model/cat of Legrand/ Havells/Siemens/ABB as approved by E.I.C) -- 4 nos

(h) Mounting base for SMDB (Make -: L&K type TN630D, cat no-- CM702600000 or equivalent model/cat of Legrand/ Havells/Siemens/ABB as approved by E.I.C) -- 1 nos.

(I) 400/5 Amp ratio C.T (Kappa) -- 3 nos.

j) S & F S&F1Ph LED VoltmeterWL112010OOOO---1 no

k) S & F S&F1Ph LED Ammeter WL111010OOOO ---3 no

l) LED type indicating lamp ( R Y B, L&T or Siemens make ) - 3 nos

m) 2 A MCB ("C" curve, Legrand) --- 3 nos

o) Danger board -- 01 no

Excavation of soil for installation of Earth Electrode and filling & ramming as to GS. For soft soil Vide page no G 1 Item no 1.a.

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-M) . Vide pg no. G-1 item no. 2(a)

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. Vide pg noG-3 item no. 5(d)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 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. Vide pg noG-2 item no. 4(a)

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. Vide pg noG-2 item no. 4(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 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 as to GS. Vide page no G 2 Item no 3.a

Extra for treatment of soil by using salt & charcoal or coke for plate electrode as to GS. Vide page no G 2 Item no 3.b

[ Rates should be Quotated inclusive of all taxes & duities and L.W.C. @ 1% as applicable ]

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