SPECIAL REPAIRS TO E/M EQUIPMENT/PLANT AGAINST BER AT DGQA AREA ANAND PARBAT MIL STATION UNDER GE(NORTH) DELHI CANTT-10.

Amount

Supply, installing, testing and commissioning of out door type, plinth mounted step down transformer, 11 KV/433 Volts (at no load) AC 3 phase 50 Hz, 315 KVA capacity, core type, double copper wound, oil immersed, naturally cooled, Oil Natural-Air Natural (ON AN), 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% to -10%in steps of 2.5% 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 on an ambient temp of 40 degree celsius. Perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS 1180 (Part-I) : 2014, Energy Efficient Level -II and shall comprise of the following :- (a) One cable box on HT side (primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception / taking out 3 core 185 Sq mm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete.(b) 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 size/rating of cable complete. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (silica gel). (e) Explosive vent, Thermometer pocket on tank cover, Oil level gauge, Oil drain filter valve, Lifting lugs, Oil filling hole with cap / plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers. (f) One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0- 120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device.(g) Two earthing terminals on tank cover to facilitate fixing of earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 marked, filtered and tested upto 50 KV dielectric strength at 2.5 mm air gap between testing electrodes. (l) Provn the PCC/Brick work platform for out door type transfomer as per site requirement. (m) Providing adequate size and nos of channels, embeded in platform floor, for movement of transformer. (n) Unidirectional roller wheel. (o) Other accessories as per manufacturer design. (p) The losses of transformers of intermediate rating should also fall in the respective bracket of maximum losses. The manufacturer has to render a certificate with details that their transformer losses at 50% load - 1025W W as well as 100% load- 3100 W and doesnot exceed as per IS 1180 (part-I) : 2014 requirements. NOTE : (i)Transformer shall be supplied inclusive of initial oil filling to appropriate level of insulation oil with desired dielectric strength.(ii)Taking out of old u/s transformer from site and deposit to MES store yard complete all as specified and directed.(iii) Necessary Brick work, PCC,angle irons, flats and chain link mesh for transformer platform to be measured and paid separately under relevant items. Make- ABB/TRANSCON/SCHNEIDER/ SIEMENS

S&F 4 mm dia MS wire 75x75mm mesh, made upto into mattress or cages approx 2.0 mtr height and fixed with flat iron/angle by welding in position complete all as specified and directed. Note : MS angle, MS flats, Nuts, Bolts and washer will be measured and paid separatly under relevant items.

M & L for two coats of synthetic enamel paint of silver colour on steel surfaces over a coat of red oxide primer including preparation of surfaces complete all as specified.

M&L for MS work of angle iron channels and iron flats for post and struts of fencing around transformer plinth etc drilling holes, flat iron for securing wire mesh by welding to angle iron frame and framed work as in door/ gate of angle and wire mesh door to be fixed by 02 Nos 100mm long hinges and one sliding door bolt of 300mm long for locking arrangement complete all as specified and directed.

M&L Brick work with sub-class 'B' bricks, straight or curved on plane exc 6 m mean radius, built in cement mortar 1:4 complete as specified and directed.

M&L Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished fair and even without using extra cement complete all as specified and directed .

Material and labour for cement concrete type D-2, 1:4:8 (using 40 mm graded crushed stone aggregate) for sub floors, sub-bases, floors, foundation and paving etc complete all as specified and directed .

Supply, fixing and testing of water meter 150 mm dia CI body double flange ended type, up to measure 6 digits, class B magnetic type complete incl cutting existing DI/CI line , all necessary fittings & earth work complete all as specified and directed.(Make- Dashmesh/Kranti/Sensus)

Supply, fixing, testing and commissioning of centrifugal monoset type pump , electric driven suitable to operate 415V, 3 phase, 50 Hz AC supply, capacity 5.5KW/7.5HP capabile of pumping suitable for flow rate 3.3 to 7.5LPS,head for 33 to 54 mtrs, Speed (RPM) 2880, suction size 50mm bore, delivery size 40mm bore, Material of Construction(All cast iron fitted with mechanical seal), AC supply with ambient 50 Deg C,Class F insulation and as per IS:12615, complete with fabricated base plate, including suitable size PCC foundation as per manufacturer recommendation and all as specified and directed. Model No Crompton MIK 7.52 or eqivallent in Kirloskar. Note:- Unit quoted rate is inclusive of taking out of old u/s pump sets from site and deposit to MES store yard, Suitable size copper wiring from LT panel to pump sets, Provn of pressure gauges and M&L for providing various sizes MS/GI pipe in short lengths as required, both ends flanged by making bell mounted tail pieces as required at site for connecting suction line and delivery line as required at site.

M&L for CI sluice valve 80 mm dia both end flanged having stainless steel spindle with CI wheel PN 1.6 ISI marked complete with nut, bolts end gasket jointing and testing complete all as specified. Make: Kirlosker/Bir/Kartar

M&L for NRV 80mm dia heavy duty conforming to IS both ends flanged including jointing material complete all as specified. Make: Kirlosker/Bir/Kartar

Supply and laying galvanised steel water tubing medium grade ISI marked screwed socketed joints complete with all tube fitting (such as bends,elbow,tees,short pieces,connectors,caps,plugs and unions,etc) and fixing complete with clips,wall hooks,wooden plugs,or laying in trenches,etc.,also cutting,screwing and waste and for making forged bends on piping as required at site with fitting etc of following sizes:-

(a) 80 mm dia

(b) 50 mm dia

Material & labour for earthing with Galvanised Steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground vertically at a depth not less than 2.25metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanised Iron strip of size 25 X 4mm as earthing lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by light grade 40mm dia GI pipe connected to main switch board or main control board and GI pipe medium grade 20mm bore for watering and including funnel , wire mesh , RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40mm graded stone aggregate, including excavation and earth work in any type of soil , returning , filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate No 5 of SSR 1991(Part-I) complete all as specified and directed.

Supply and fixing earth continuity conductor or main earth lead fixed to wall on batten or recess or chess or buried in ground drawn in conduit/pipe or fixed to the pole or any other situation for loop earthing etc as required 25x4mm GI strip all as specified and directed.

Supply, installation, commissioning of Water cooler fully stainless steel, electric driven single phase having approx Storage capacity 120 Ltrs and nominal Cooling capacity 60 Ltrs per hour incl taking down old water coolers and deposit to MES store yard complete all as specified and directed.

Supply and fixing of Voltage stabilizer capacity 4 KVA, Electric driven single phase with digital dispaly complete all as specified and directed.

New Era Engineers

Singh Associates