PROVN OF ONE AC POINT IN CERTAIN MD ACCN AT AF STN INCLUDING PROVN OF RAIN WATER HARVESTING FOR OTHER THAN MARRIED ACCN (OTM) IN ADM AREA AT OD AVADI UNDER GE AVADI.

Amount

PART -I - PROVISION OF ONE AC POINT IN CERTAIN MD ACCN AT AF

Supply and fixing in repair/ replacement of Miniature Circuit Breaker (MCB), single pole, 240 Volts, 50 Hz, AC, 6 to 32 Amps rating, 10 kA (minimum) rupturing capacity, ‘C’ curve, conforming to IS:8828 (IEC-60898), in and including suitable sheet metal enclosure/ DB where required, connections with copper conductor, complete all as specified and directed

Supply and fixing of Isolator, Double Pole (DP), 240 Volts, 50 Hz, AC, 40 Amps rating, conforming to IS:13947 (Part-III) / IEC 60947-3, suitable for mounting in sheet metal enclosure/DB, including necessary copper conductor connections and all accessories, complete all as specified and directed.

Supply & fixing of single pole and neutral sheet metal enclosures with two pin & earth plug and socket complete with one double pole MCB of 20 Amps complete all as specified and as directed.

Supply and fixing of sheet metal enlosure for DBs when MCBs to be used double door factory made flush fixed complete with 100 amps rated bus-bar 240 volts single phase 8 ways including necessary brick work and plaster to match with the existing surface complete all as specified.

Supply and fixing of sheet steel enclouser distribution boards, double door factory made TPN Vertical 4 way 3 phase 415 volts 4 way with 200 amps rating copper bus bar and PVC insulated copper jumpers of suitable size from the MCCB to the out going circuits one incoming MCCB and 12 outgoing MCBs circuits comprising of 3 phase 4 wire of suitable rating complete all as spcd and directed with the following accessories :- (a) MCCB 100 amps, 25 KA, TP, 415 volts, 50 Hz = 01 No. (Note:- Out going MCB shall be measured and paid for separately)

M&L for two single core sub main wiring 4 Sqmm multi-strand PVC insulated copper conductor FRLS cable including PVC insulated copper conductor cable of size 4 Sqmm as cotinuous earth wire connecting to common earth including conduit, connections of cable with MCBs or bus bars complete all as specified and directed

M&L for two single core sub main wiring 10 Sqmm multi-strand PVC insulated copper conductor FRLS cable including PVC insulated copper conductor cable of size 10 Sqmm as cotinuous earth wire connecting to common earth including conduit, connections of cable with MCBs or bus bars complete all as specified and directed

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (Heavy duty) LT 1100 volt grade with stranded aluminium conductor of size 25 sqmm 4 core complete all as specified and directed.

Supply,laying & fixing for double wall corrugated (DWC) pipes made of high density polythyline (HDPE) with all accessories i.e. all type of joints,Sockets,Elbows,bends and End caps etc.. all as specified and directed of size 78mm outer dia and 63mm inner dia

Supply & fixing of MCCB Capacity 36 KA 4 pole 400 Amps adjustable thermal and fixed magnetic type with preader and aluminium lugs all as required at site complete all as specified and directed.

Supply & fixing of MCCB Capacity 25 KA 4 pole 160 Amps adjustable thermal and fixed magnetic type with preader and aluminium lugs all as required at site all as specified and directed.

Excavation in trenches in soft/ loose soil not exceeding 1.50 m wide and not exceeding 1.50 m in depth for foundation of poles, stay, cable, pipes etc and getting out complete all as specified and directed.

Returning, filling, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick each complete all as specified and directed.

Removal of surplus soil to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode of size 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below ground level, connected to galvanized earth lead wire 4.00 mm dia by means of bolts nuts check nuts & washers of galvanized iron or steel , procteded by GI pipe 15 mm bore( light grade) and watering pipe 20 mm bore GI pipe (light grade ) and chamber of pcc 1:4:8 type D2 using 40 mm graded stone aggregate and coping shall be in PCC 1:3:6 type C1 using 20mm graded stone agg. 50 mm thick cover of RCC 1:2:4 type B1 using 20 mm graded stone agg. reinforced with 8 mm dia MS tor bar @ 80 mm c/c both ways including excvation and earth work and removal of surplus soil complete all as shown in electrical plate no 5 of SSR PART 1 , with charcoal dust and salt complete and earth lead connected to earthing test point (up to main switche, DBs) complete all as specified and directed.

Supply and laying GI light grade pipe 50mm dia suitable for crossing road/drain for 25mm dia cable protection complete all as specified and as directed.

M&L for Boring of trench under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machine for road crossing complete all as specified and directed.

PART -II - PROVN OF RAIN WATER HARVESTING (RWH) FOR OTM IN ADM AREA

Excavating over areas,n exc 1.5 m deep and getting out in hard / dense soil, complete all as specified.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 m in depth for foundation, for laying / taking down sewage / water supply lines, forming bottom surfaces to required slpoe & gradient and not exc 10 sqm on plan and not exc 1.5 m in depth and getting out in soft/loose type of soil complete all as specified and directed.

M & L PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, filling and mass concrete complete all as specified and directed.

M & L for Pre-cast cement concrete block Type B1 1:2:4 (20mm graded aggregate) masonry with solid blocks, exc. 10 cm in width and setting in mortar, complete, built in cement mortar complete all as specified and directed.

M & L for pre-cast cement concrete manholes covers in RCC 1:2:4 type B-1 (using 20 mm graded stone aggregates) with marking and placing in position and 10mm dia holes as required at site and set in CM 1:4 complete all as specified and directed.

M & L for mild steel TMT bar 10mm dia and over, as in reinforcement cut to length bent to shape required including cranking, bending etc and binding with mild steel wire (annealed) not less than 0.9 mm dia complete all as specified and directed.

Supplying, fixing, jointing and testing reinforced concrete drain pipes 150 mm bore, class NP3, laid and jointed with collar in CM 1:1 complete all as specified and directed.

M & L for concrete bed to drain pipes in PCC 1:4:8 type D-2 (using 40 mm graded stone aggregates) including packing under and hauching against the side of the pipes after they are laid tested for pipes of 150 mm dia complete all as specified and directed.

M & L for Loose filling with broken bricks aggregates of gauge 40 to 80 mm in soakage pits, soakage wells complete all as specified and as directed.

Supply and fixing of 110 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall with suitable clamp complete all as specified and as directed.

Supply and fixing of PVC (SWR) bends any radius suitable for 110mm bore PVC pipes with access door complete all as specified and as directed.

S & F of PVC (SWR) valley gutters having girth of 250mm, length and girth as fixed as specified and complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exeeding 25cm thick layer as in soil complete all as specified and as directed.

Removal of excavated soil to a distance n.exc 50m & deposited at a level n.exc 1.50m above from starting point all as specified and as directed.

muthu constructions (BID ID -3475292)