REPAIR REPLACEMENT AND MAINTENANCE OF TRANSFORMERs PLINTH, LOOSE FILLING OF AGGREGATES AND ALIIED WORKS AT SUBSTATION IN MIL STATION AGARTALA

Amount

Material & Labour heavy duty armoured LT under ground cable of size 120 Sqmm, 3.5 core 1100 V grade PVC insulated ,PVC sheathed ,multi stranded aluminium cable of following size in pipe /trench /cable duct /fixed on wall by proper size shaped GI clamps with nut bolts etc including lugs for both ends and making good the disturbed surfaces including taking down old one complete all as specified and directed.

All as per item No.01 above but but of size 95 Sqmm 3.5 core

All as per item No.01 above but but of size 50 Sqmm 3.5 core

All as per item No.01 above but but of size 35 Sqmm 3.5 core

All as per item No.01 above but but of size 10 Sqmm 4 core

Supplying and fixing 1100 volts grade heavy duty cables PVC insulated aluminium conductor of size 10 Sqmm, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4 mm suspension wire, one twin core cable flat or circular including taking down old one complete all as specified and directed.

Supply and fixing MCCB 400 Amp, 36 KA breaking capacity, 4 Pole, fixed thermal and magnetic setting type with microprocessor release, fixed on existing panel including taking down of old one complete all as specified and as directed.

Supply and fixing MCCB 250 Amp, 36 KA breaking capacity, 4 Pole, fixed thermal and magnetic setting type with microprocessor release, fixed on existing panel including taking down of old one complete all as specified and as directed.

Supply and fixing MCCB 160 Amp, 35 KA breaking capacity, 4 Pole, adjustable thermal and fixed magnetic setting type with microprocessor release, fixed on existing panel including taking down of old one complete all as specified and as directed.

Supply and fixing MCCB 100 Amp, 10 KA breaking capacity, 4 Pole, adjustable thermal and fixed magnetic setting type, fixed on existing panel including taking down of old one complete all as specified and as directed.

Material & Labour in replacement of tubes of size 80 mm bore light grade galvanized with all fittings laid in trenches/ wall/ pole through MS flat (25X3 mm), nut, bolt & washers [ as reqd ] of proper sizes complete for protection cables complete all as specified and directed.

All as per item No. 11 but of size 40mm bore

Material & Labour for earthing complete with galvanized steel earth plate electrode (600x600x6.3)mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) connected to galvanized iron strip 25 x 4 mm as earthing lead by means of nut, bolts and washers, steel pipe of 25mm bore light grade for protection of earth lead with PCC chamber (1:2:4) type B1 using 20mm graded stone aggregate internal surface of concrete chamber shall be given 10mm thick plaster in CM (1:4), funnel with wire mesh, 50mm thick cover RCC (1:2:4) type B1 using 20 graded aggregate reinforcement with 8mm dia MS bar at 80mm centre to centre both way and incl charcoal dust and common salt all as shown in electrical Plate No.3 of SSR Part-I as specified incl necessary excavation and earth work and connecting the earth to earth test point testing including taking down old one complete all as directed & specified.

Material & Labour Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size including taking down old one complete all as directed & specified.

Excavation in trench n. exc 1.5 mtr wide and n.exc 1.5 mtr depth and getting out of soft/loose soil/brick all as specified

Removing of excavated surplus soil to a distance not exceeding 50 mtr and depositing/ spreading where directed at level of n.exc 1.5 mtr above the starting point.

Returning filling in spreading, levelling and well ramming in layers n.exc 25 cm thick above the ground level complete all as specified.

Material & Labour for sand cushioning for cable protection with dry river sand and punning to provide required cushioning for UG cable all as specified and directed.

Supply and fixing bricks well burnt sub class ‘B’ bricks in trenches on cable as cable protection across the length of the cable (width wise) complete all as specified and as directed.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified .

M&L PCC in foundations, filling and mass-concrete type D2 (1:4:8) using 40 mm graded stone aggregate all as specified.

Demolition of reinforced cement concrete in any position not otherwise specifically provided for complete all as specified.

M&L RCC type B-1, (1:2:4) nominal mix using 20 mm graded aggregate in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified & directed.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams,sides and soffits (if any) of foundation and plinth beams;and similar or with flat rough finished of concrete allas specified & directed.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railingsand similar work including attached pillasters, buttresses, etc.; vertical or to batter flat rough finished of concrete allas specified .

M&L for TMT bars 10 mm dia and over, cut to lengh, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips.

M&L 10 mm thick rendering in CM (1:6) on fair faces of brick work or concrete surfaces without using extra cement complete all as specified .

M & L for preparation of new plastered surfaces and applying two coats of cement base paint over a coat of primer complete all as specified and as directed

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc, required for complete and proper execution of the work. Refer Schedule 'A' notes for details.

M/S Ajoy Acharjee (BID ID -3314853)

SUMAN DEB (BID ID -3316239)

SHRI CHANDAN CHANDA (BID ID -3314506)

M/S NIYATI NETWORK (BID ID -3314708)

M/S SANKAR GOPE (BID ID -3315025)