CWE/HSR-17 OF 2021-22

Amount

Supply, installing, testing and commissioning outdoor type, floor mounted step down transformer, 11 KV/433 Volts (at no load) AC 3 phase 50 Hz, 400 KVA capacity, core type, double copper wound, oil immersed, naturally cooled, Oil Natural- Air Natural , with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with Neutral brought out on secondary side (LV side) and having tapings at +5.0%, +2.5%, 0%, -2.5%, -5.0%, -7.5% & -10.0% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 40 degree Celsius in oil and 45 degree Celsius in HV/LV winding when measured by resistance method after continuous full load run. The transformer shall be confirming to IS-1180 (updated), level-III complete all as specified and directed and shall comprise of the following:- (i) Three Nos porcelain bushing suitable for 11 KV on HV side complete with copper rods, nuts and washers. (ii) One cable box on LT side (Secondary side) consisting of four Nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception / taking out of 400 sq mm 3.5 core , LT 1100 volts grade PVC / XLPE insulated & sheathed, heavy duty, armoured cables including joint and jointing materials complete. (iii) Oil conservator with filter type drain valve and oil level gauge. (iv) De-hydrating breather with first fill of dehydrating agent (silica gel). (v) Explosive vent, Thermometer pocket on tank cover, Oil level gauge, Oil drain filter valve, Lifting lugs for complete transformer and as well as core and winding assembly, Oil filling hole with cap / plug with connection plate complete, Air release valve plug and four Nos plain solid cast steel detachable rollers. (vi) One No 100 mm dia, dial type thermometer, vapor pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (vii) Two earthing terminals on tank cover to facilitate fixing of 25 x 4 mm galvanized iron earth strip for earthing of body and one no. HV side neutral grounding earth strip. (viii) Rating plate and terminal marking plate. (ix) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for neutral. (x) First filling of new and unused transformer oil, IS-335 marked (Make Savita / Power Link) filtered and tested upto 40 KV dielectric strength at 2.5 mm air gap between testing electrodes. (xi) One filter valve on the upper side of tank. (xii) Arcing horns for HT side (01 No per phase) Note : Poles their fixing/ errection and structural steel work shall be measured and paid for separately.

Rationalization of transformer by dismentaling old serviceable transformer 150KVA to 300 KVA fromin existing location, removeing all connection and shift other location with in Hisar Mil Station approx 1.00KM, re-connection complete

Taking out the old unserviceable HT underground cable 95 sqmm 3core 11000 volts grade, XLPE insulated and PVC sheathed, armoured heavy duty with multistrand aluminium conductors from trenches/wall/floor/road/ culverts or pole etc complete all as specified and directed .

Supplying, laying jointing testing and commissioning of HT underground XLPE insulated, screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with aluminium conductor 11KV grade (Earthed) of size 95 sqmm 3 core confirming to IS-7098 Pt-II cable laid in trenches/walls/ducts/poles etc. complete all as specified and directed.

Taking out the old unserviceable LT underground cable any size, XLPE insulated and PVC sheathed, armoured heavy duty with multistrand aluminium conductors from trenches/wall/floor/road/ culverts or pole etc complete all as specified and directed .

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 240 sq mm 3.5 core

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq mm 3.5 core

Excavation in trenches in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cable etc. and for foundation of poles, stays etc. n exc 10 sqm on plan and n exc 1.5 in depth and getting out complete all as specified and directed.

Description all as per serial No 12 above but hard /dense soil

Description all as per Serial item No '12' above but depth exceeding 1.5 mtr and not exceeding 3.00 mtr.

Returning filling in incl spreading levelling watering and well ramming in layers n. exc 25cm thick of soft/loose soil intrenches/pit complete all as specified and as directed.

Removing excavated material to distance n. exc 50m and depositing where directed at a level n. exc 1.5m above the starting point etc complete all as specified and as directed. .

M & L Sand cushioning to underground cable in tranches in layer of 8 cm deep before laying the cable and 15 cm deep after laying and stretching the cable complete all as specified and directed . Note : Punned thickness shall be measured and paid for.

supply and laying un reinforced precast concrete cable cover of class HV Type -1 with flat size 300x180x40mm fixed in replacement any type bricks of PCC covers.

Taking out existing unserviceable/servicavle bricks over UG cables, from tranches and stacking at site for re use competed all as specified and directed

Laying only old serviceable brick cover retrieved from Srl item No. 19.00 above complete all as specified and directed.

M & L Brick covering to underground electric cable using sub class ‘B’ bricks, laid dry, flat, and perpendicular to the direction of cable complete.

Material & labour cement concrete 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as in foundation complete all as specified and directed by Engineer- in-charge.

Material & labour PCC 1: 3 : 6 type C-1 (using 20 mm graded mechanically crushed stone aggregate) as in mass concrete including necessary form work complete all as specified and directed.

M&L for PCC 1:2:4 type B1 using 20 mm graded stone aggregate as in coping and the like including weathering slightly rounded or chamfered angles complete all as specified and directed.

Material & labour for Cross Arms bracings supports, clamps, eye hook and back plates fabricated from structural steel sections including pole clamps stay clamps, D clamps nuts, bolts , washers welding bending cold or hot drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed.

Supply and fixing GI tube light grade of size 100 mm dia galvanised with all fittings fixed to walls/floors/poles or under road etc complete all as specified and directed.(Note :-The GI pipe should be fixed with pole by MS clamps if necessary.(The MS work should be measured and paid separately).

M&L for providing 100mm PCC platform on top of brick masonry of size 6x3 mtrs (outer dimension) and 1.2 mtr hight from ground level and 0.5 mtr blow ground for placing RMU/Transformer chain-link fencing around the platform fixed to angle iron post 1.8 mtr high using angle iron for size 40x40x6mm and 1 .00 m away from platform with entry gate and steps and applying a coat of black bituminous paint over a coat of red oxide primer on the steel surface comple all as specified and directed including provision as under :- (I) 100mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregate) as in foundation of brick wall and fencing post including excavation & earthworm, return fillilng in and removal of surplus soil. (ii) Brick work with fly ash brick in CM 1:6 including 15mm thick plastering in CM 1:4 over exposed surfaces. (iii) 100mm thick hard core using brick bats of grade n exc 63mm (iv) 100mm thick PCC(1:4:8) type D2 (using 40mm graded stone aggregate) as in sub base. (v) 100mm thick PCC(1:2:4) type B2 (using 40mm graded stone aggregate) as in flooring finished even and fair. (vi) Two coats of cement base paint over a coat of cement primer over plastered surfaces complete. (vii) Chain link MS galvanised fencing of mesh size 75mmx 75mm and dia of wire 3mm including 10mm dia MS round bar to support the chain link fencing complete (viii) Earth filling including watering and ramming in layers of 25cm inside the platform complete (Earth obtained from excavation shall be used for filling)

Supply, errecting & fixing in true vertical position pre stressed concrete pole conforming to IS-1678 of 11 mtr long , 152 mm x 152 mm at top and 152 mm x 260 mm at bottom,class 9 complete as specified & directed .

Supply and install HT 11 KV outdoor type gang operated air break switch suitable for horizontal mounting rotating type complete with 9 insulators of rating upto 200 Amps

Supply and installation of drop out fuse assy single pole 11 KV , 25 Amps rating complete expulsion fuse element mounted on four /two pole structures all as specified and directed.

Supply and fixing Lightning arrester suitable for 11KV expulsion type complete with all fitting , transmission class , discharge capacity 65 kilo amp.

Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead irown strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion. Note: The unit rate including for protection open and GI strip 24x4mm from top of earth plate up to 7.5mtr above ground level.

Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion. Note: The unit rate including for protection open and GI wire 4mm dia from top of earth plate up to 7.5mtr above ground level.

M&L for cable jointing kit for 11 KV (earth) grade cable for outdoor termination hot shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 95 sqmm complete all as specified and directed.

SAINI ELECTRIC STORE

UNITED SAINI BUILDERS

fauji electric works

m/s Rajesh Kumar