E- TENDER FOR THE YEAR 2025-2026 - PROPOSED ADDITIONAL CLASS ROOM FOR CANTONMENT BOARD SECONDARY SCHOOL AT CHINNA VANDISOLAI, WELLINGTON

Surface Excavation n. exc. 30cm deep & avg 15 cm deep & getting out in hard dense soil.

Rough earth work excavation in ordinary soil up to a depth 1.5 mtr. From the starting point

Excavating in trenches n .exc 1.50 m depth and getting out in hard dense soil

Excavating in trenches n .exc 1.50 m to 3.0 m depth and getting out in hard dense soil

Plain Cement concrete 1:4:8 type C1 using 40mm graded aggregate in surface channels and drains

R.c.c. footing with cement mortar 1:2:4,using 20mm graded stone aggregate as in foundation

R.C.C 1:2:4 using 20mm graded aggregate columns

R.C.C 1:2:4 using 20mm graded aggregate beams

Reinforced Cement concrete in roof slab

Mild steel TMT bars 10mm dia and over cut to length bent to shape required including cranking, bending spirally for hopping ends and binding with and including MS wire not less than 0.9mm dia.

Form work sides of concrete surfaces in foundation footings

Form work sides of concrete surfaces in Columns

Form work sides of concrete surfaces in Beams

Form work to soffits of suspended slab such as roof slab not exceeding 250mm thick

Returning and filling including spreading levelling watering and well ramming in layer n exc 25cm

Removing excavated soil to a distance of 50 mtrs

Rendering in cement mortar 1:6, 15mm thick on fair faces of walls

Ceiling plastering with cm 1:3, 15mm thick of roof slab

Plain cement concrete 1:2:4 type C1 using 20mm graded stone aggregate as in bed block

Screed bed or bedding layer of 1:4 motor 15mm thick for laying floor finishes

Steel doors complete including protection type hings etc., with glazing bars

White washing on wall surface three coats including preparation of surface

White washing on Ceiling surface three coats including preparation of surface

Preparing newly plastered wall surface and applying two coats of cement based paint over a coat of primer

Preparing steel surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer

M& L for complete with GI earth plate electrode 600 x 600x6 mm thick buried directly in ground earth plate not less than 2.25 m deep below ground level with top edge of the earth plate not less than 1.5 meter below normal ground level connected to GI earth lead wire 4 mm dia by means of bolts, nuts, check nuts, washers and GI earth wire protected by 15 mm dia GI pipe for watering funnel, Earth work PCC chamber with 40 mm thick RCC 1:2:4 type 'B' for cover slab with 6 mm dia MS bar and 100 mm both ways with MS Hook 8 mm dia all as shown in electrical plate No. 5 all as specified and as directed.

M & L for sub main wiring with 2 runs of single core stranded copper copper conductor 6 sqmm PVC inculated and unsheathed drawn through and including suitable size non metalic regid PVC conduit with all acessories fixed to walls, ceiling including 1 run of 4.00sqmm copper ( Insulated) cable as earth contiunity xonductor including taking down existing unserviceable sub main wiring all as specified and as directed. Note: Two runs of conductor and one run of earth wire and one run of PVC conduit shall be measured as one unit.

Supply and fixing double door MCB distribution board in sheet metal enclosureSPN 8 way with 200 Amps, 240 Volt rated bus bar neutral and earth connected bars for use of MCB’s fixed properly at directed place by using suitable required fixing arrangement

Supply and fixing double door MCB distribution board in sheet metal enclosure TPN 4 way with 200 Amps, 415 Volt rated bus bar neutral and earth connected bars for use of MCB’s fixed properly at directed place by using suitable required fixing arrangement

Supply and fixing RCB SPN 16Amps, 30mA breaking capacity, 240Volt AC all as specified and as directed.

Supply and fixing RCCB TPN 40Amps, 30mA breaking capacity, 415Volt AC all as specified and as directed.

Supply and fixing MCB SP 6/ 32Amps, 10KA rupturing capacity, 240Volt AC all as specified and as directed.

Supply & Connecting Tamper proof Electronic Energy Meters three phase 240 V, AC , 50 HZ, ISI marked Class I, LCD type 30 to 60 Amps capcity, including making seal of MES afater removing the old unserviceable meters all as specified and as directed. (Make : L & T or Equivalent)

M & L for sub main wiring with 2 runs of single core stranded copper copper conductor 6 sqmm PVC inculated and unsheathed drawn through and including suitable size non metalic regid PVC conduit with all acessories fixed to walls, ceiling including 1 run of 4.00sqmm copper ( Insulated) cable as earth contiunity xonductor including taking down existing unserviceable sub main wiring all as specified and as directed. Note: Two runs of conductor and one run of earth wire and one run of PVC conduit shall be measured as one unit.

Supply and fixing LED lights fitting 1x 18W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete.

Supply and fixing LED light fitting 1x8 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass, with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size.

Supply and fixing LED light fitting 1x40 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass, with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size.

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