PROVISION OF A NEW TRANSFOMER OF CAPACITY 160 KVA FOR NCN CENTRE NEAR CNA(DP), PROVISION WATER EMULSION COATING IN LIEU OF CEMENT BASED PAINT ON EXTERNAL SURFACES (PHASE-III) IN DLRL AND WATER SUPPLY TO NCN DATA CENTRE LOCATED AT CNA (DP) HYDERABAD

Amount

Supply installation, testing and commissioning of transformer, outdoor type step down 11/0.433 KV, HT with 3 phase and LT with 3 Phase, 4-wire system double copper wound with Off Circuit Tap Changer arrangement on HT side for a variation of secondary voltagewith tapping range + 5% to -10% in steps of 2.5 % continuous rating of 160 KVA (Level-II) confirming to IS: 1180 (Part 1):2014 & IS: 2026 - 2011, Oil - IS: 335: 1993 including first fill of Oil, Control wiring between Transformer to VCB with copper conductor with lugs & glands connection, Construction of foundation/Platform with PCC (1:4:8) type D2 (usiing 40mm graded stone aggregate) and making fair and even surface finished and 60cm above GL, and brick work old size in cement mortar 1:6 up to a height of 1.5 Mtr for the PCC and dimensions as specified by manufacturer complete all as specified and directed. Make :- ESSENAR/ ITE LTD / CROMTON GREAVES/ VOLTAMP The quoted rates shall also be deemed to include the following :-

(i)Temp. Rise in Oil [Degree C.] : 40,By Resistance [Degree C.] : 35 (ii) Ambient temperature : 50 (iii) Winding Material : Copper (iv) Type of Cooling : ONAN (v) Class of Insulation : Class “A” (vi) Vector Group : Dyn11 (vii) Frequency [Hz.] : 50 (viii) Phase : 3 (ix) Insulation Level [kV/Kvp] H.V. : 28/75 L.V. : 3/--- (x) Primary Connection [HV] : Delta,Primary Volts : 11000V,Primary Phases : 3,Primary Wires : 3,Primary rated current : 8.40 A (xi) Secondary Connection [LV] : Star, Secondary Volts : 433V, Secondary Phases : 3,Secondary Wires : 4, Secondary rated current : 213.34 A (xii) Taps on Primary /Secondary Winding for : +5% to –10% in steps of 2.5% (xiii) Primary /Secondary Voltage Variation Off Circuit Tap Changer (xiv) No. of switch positions : 7 (xv)Terminal Arrangement H.V. : Cable Box (xvi) L.V : Cable Box (xvii) Load Losses (Level-II) (xviii) At 50% Loading : 670 Watts (Max.) (xix) At 100% Loading : 1950 Watts (Max.) (xx) Impedance (Z) [Percentage]: HV - LV : 4.50% (xxi) No Load Current (% of Rated Current) : Less than 2 %

SUBJECT TO IS: 1180 TOLERANCE Weights & Dimensions (Approx.) 1) Core & Windings with clamps (Untanking Weight) : 750 Kgs. 2) Tank & Fittings : 370 Kgs 3) Oil : 400 Ltrs. (340 Kgs.) 4) Total Weight : 1460 Kgs Overall dimensions of the transformer (mm) Length : 1620 Breadth : 1520 Height : 1540 HV - LV Orientation : 180 deg. Bushing - IS: 2099 & IS: 3347 Porcelain Bushings HV : 3 Epoxy Bushing LV : 4 Painting [Finish] : PU Light Grey Shade No. 631 – IS: 5 TESTS - Routine Tests as per IS: 1180 (Part 1):2014 1 Ratio test 2. Polarity 3. Phase angle error measurement 4. I R Values 5. Winding resistance 6 .Open circuit test 7 .Short circuit & Impedance test 8 .Separate source voltage test 9. Induced over voltage test 10 .Pressure test 11 .Oil leakage test 12. BDV of Oil

STANDARD FITTINGS AND ACCESSORIES: 1) Rating & Terminal Marking Plate - 1 No 2) Earthing Terminals - 2 No 3) Lifting Lugs - 2 No 4) Drain Valve with blanking plate - 1 No 5) Filter Valve with blanking plate - 1 No 6) Conservator - 1 No 7) Conservator Oil filling hole with cap - 1 No 8) Oil Level indicator with min. marking - 1 No 9) Dehydrating Breather - 1 No 10) Conservator Drain Plug - 1 No 11) Air Release Device - 1 No 12) Thermometer Pocket - 1 No 13) Pressure relief valve - 1 No 140 Roller Uni directional - 4 No 15) Radiators (Weld able Type) - 2 No 16) Bare Bushings HV - 3 No 17) Cable Box LV - 1 No 18) Separate Neutral Terminal - 1 No 19) Off Circuit Tap Changer - 1 No 20) 100 mm dia Stem type thermometer - 1 No

Note:- (i) The Stud for neutral shall be sufficeiently long to fix 2 Nos GI strip for earthing. (ii) Cost of Cable entry box on both sides ie. HV and LV shall be deemed to be included in quoted rates. (iii) Cost of Power and control cables with armoured and heavy duty cables upto control panel relay and auxillary panels and protection system shall be deemed to be included in quoted rates. (iv) provn of four numbers GI plate (GI pate size 600x600x6mm) earthing with 32X6 GI strip as per IS:3043(02 for neutral&02 for body) and all four nos of earthing to be grid connected.,Cost deemed to be included in quoted rate. (v) Unit price deemed to included the connection of trip contracts of buchholz relay and temperature indicator of winding & oil in panel board.

S& errection of 2 pole structure Steel tubler sewaged pole complete with cast iron base plate finial taper plug bolts, nuts, screws as specified type 410 SP -55 (11 Mtrs) long including errection of pole with excavation and earth work including PCC (1:4:8) type D2 for foundation base and PCC (1:3:6) type C1 for foundation and coping with PCC ( 1;2:4 ) and applying two coats of Aluminium paint over a coat of primer complete all specified and as directed. Note:- Crane charges for erection shall be deemed to be including in quoted rate.

S&F cross arms, bracing, supports, clamps and black plates fabricated from structural steel sections including nuts bolts , washers, welding, bending cold or hot drilling holes for bolts in any shape or size as directed and inclusive of one primer coat, one under coat and finishing coat of paint complete all as directed.

S&F Single disc type porcelain insulator vitreous brown 145mm height and 255mm dia ball and socket type single disc assembly with GI clamp nuts bolts etc suitable for 11000 V grade working pressure complete all as directed.

S/F new pin type porcelain insulator, vitreous brown 150mm height, 150 mm dia, top groove 19mm with GI spindle, two Nos of GI washers not less than 3 to 4 mm thick and GI nut suitable for 11000 volts grade working pressure complete all as directed. Make :- OBLUM/ JAYASREE/ WS INSULATORS/BHEL

M&L for aluminium conductor, steel reinforced of any size including stiringing over poles, tightening, binding to insulator with aluminium wire, making and connecting jumpers etc including taking down old unserviceable conductor complete all as directed.

Supply & Fixing HT 11 KV outdoor type gang operated air break switch triple pole including drop out fuse unit mechanically operated suitable for horizontal or verticle mounting on insulator and steel frame with operating mechanizam worked from ground level for current rating up to 200 Amps and connecting up with jumpers, testing and and commissioning complete all as directed. Make :- VJY/SMC/ATLAS

Supply and install lightning arrestor, single pole, outdoor type complete suitable for 11 KV AC supply including connecting, testing and commissioning and dismantling the old unserviceable lightning arrestor complete all as directed. Make :- OBLUM / ELPRO / GECO

Earthing with GI earth plate electrode 600x600x6 mm buried directly in ground vertically to a depth of not less than 2.25 mtrs below ground level with the top edge not less than 1.5 mtrs below ground level connected to GI earth strip of size 32X6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel and GI protection pipe, 40 mm dia light grade including necessary excavation & earth work, PCC 1:3:6 type C1 Chamber ,RCC 1:2:4, type B1, as in cover slab 50mm thick with 8mm diaTMT bars @ 100 mm c/c both ways, GI water pipe 20mm dia, medium grade, funnel, wire mesh, salt, charcoal complete all as shown in electrical plate No. 3 of SSR Part - I complete all as directed.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanizedsteel strip or wire armored, electric power cables(heavy duty)with stranded aluminum conductor,11000 volts grade, of size 3 core 95 sq mm complete all as directed.

M&L for HT 11KV end joint kit, heat shrinkable out door type suitable for 3 core 120 sqmm size cable complete all as directed

M&L for HT 11KV end joint kit, heat shrinkable indoor type suitable for 3 core 120 sqmm size cable complete all as directed.

M&L for Cable jointing kit for 1.1 KV (earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 to 300 Sqmm complete all as directed. Make for Srl item Nos. 11 to 13 :- REYCHEM/ DENSON/3M

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 185sqmm 3.5 core complete all as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in hard/dense soil for foundation of poles, structures, stay rods, laying of underground cable etc complete all as directed.

Supply and spreading of dry river sand in trenches/ transformer yard / two pole structure yard for cable protection complete all as directed. Note:- Punned thickness only shall be measured for payment purpose.

Supply and lay factory made un-reinforced precast concrete cable protection covers HV flat type 1 of size 300x180x40 mm laid intrenches complete all as directed.

M&L for laying common burnt bricks, sub class 'B', of size 230 x 115 x 75 mm in trenches for cable protection complete all as directed.

M&L Cement concrete in foundation, filling & mass concrete for electric pole & mass concrete type Type C2 1:3:6 using 40mm graded aggregate complete all as directed

Excavation of transformer structure yard / 2-Pole structure upto a depth of 300mm and Removing excavated soils to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 above the starting point complete all as directed.

Supply and spread stone dust (powder) of thickness 50mm instructure yard complete all as directed.

Supply and spread graded stone aggregate 40 mm in structure yard of complete all as directed.

Supply and spread graded stone aggregate 20 mm in structure yard of complete all as directed.

M & L for angle iron posts & structs in fencing including cutting/drilling holes and flat iron securing fencing etc duly painted with 2 coats of synthetic enamel paint over a coat of red oxide primer complete all as directed.

M & L for framed work for fabrication of gate made out of angle iron/MS channel, MS round bar, MS flats etc all as directed, duly painted with two coats of synthetic enamel paint over a coat of red oxide primer.

S&F chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire all as directed. Note - Excavation & Foundation work deemed to be included in quoted rates.

Material and Labour for cutting existing BT road/PCC of size 45cm x 60cm for taking out/laying of underground cable and including necessary earth work and refilling the same in layers well ramming including watering as required and matching with the existing surface with 200mm thick PCC 1:2:4 type B1 and curing the same with wet gunny bags and removing debris to a distance not less than 50m complete all as specified and directed

Supply and lay GI tubing 80 mm dia, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete all as directed.

M&L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 and finished even and smooth without using extra cement including mixing of water proofing compound 2 % including taking down old cement plaster complete all as specified and directed. Note :- Intergal water proofing compound shall be measured and paid separately under respective item of this schedule.

Supply only integral water proofing compound complete all as directed Make :- SCOTT /AQUA PROF/RAILIA

Complete removal of existing treatment from external surfaces of walls/ ceiling, washing with water and applying two coats of weather proof antifungal exterior paint as per manufacturers instructions over a coat of true care exterior wall primer over two coats of external birla putty 1.5mm each to level the surface and finshied smooth with emeny paper No.180 followed by emeny paper No.320 or 400 and wipe it clean complete all as specified and directed. Make:- Apex Altima of Asian Paints or techno commercially equivalent in Indigo, JSW

M&L for preparation of new plastered surfaces of walls/ ceiling, washing with water and applying two coats of weather proof antifungal exterior paint as per manufacturers instructions over a coat of true care exterior wall primer over two coats of external birla putty 1.5mm each to level the surface and finshied smooth with emeny paper No.180 followed by emeny paper No.320 or 400 and wipe it clean complete all as specified and directed. Make:- Apex Altima of Asian Paints or techno commercially equivalent in Indigo, JSW

M&L for preparation of old painted steel or iron surfaces of any description not otherwise described exceeding 10cm girth or width and applying one coat of synthetic enamel paint complete all as specified and directed.

M&L for preparation of old painted surfaces of wood or wooden based surfaces of any description not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed.

M&L for preparation of old painted steel or iron surfaces of any description not otherwise described exceeding 10cm girth or width and applying one coat of aluminium paint complete all as directed.

M&L for preparation of surfaces of any description wood, steel, iron, concrete, brick, stone etc exceeding 10cm in width or girth and applying two coats of black bituminous paint (Backing for letter writing) complete all as directed.

M&L writing letters or figures (Block, Roman Italic or Indian) not exceeding 30 cm high complete all as directed.

S&F in repair for 110mm pipe stack clamps out of 50mm x 5mm fat iron and 16mm dia round bars includng boltsand nuts and securing ends of stays to walls on roof complete all as specified and directed

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, shoes, bends, sawn necks, (measured overall as fixed along the centre line over fittings and accessories) complete all as directed.

S&F PVC (SWR) pipes single socketed, 110mm bore in any length with rubber ring joints, fixed with walls as rain water pipe all as specified and directed

S&F PVC (SWR) bends any radius in 110mm bore pipe all as specified and directed

S&F PVC (SWR) junctionsingle (Single T) , equal or unequal in 110mm bore pipe LL as specified and directed by Engr-in-Charge.

Supply and lay 25mm dia GI tubing Medium Grade with fittings such as tees, bend, union, elbow, nipple, collor, sockets, reducer, clamps etc, fixed in wall ceiling, laid in trenches etc complete all as specified and directed.

Supply and lay 20mm dia GI tubing Medium Grade with fittings such as tees, bend, union, elbow, nipple, collor, sockets, reducer, clamps etc, fixed in wall ceiling, laid in trenches etc complete all as specified and directed.

Eaxcavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out soft/loose and dense soil for laying of GI Tubing all as specified and directed by engineer-in charge.

Returning and filling in soils including spreading, leveling, watering and well ramming in layars each not exceeding 25 cm thick all specified and directed by engineer-in charge.

Removing excavated soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and directed by engineer-in charge.

M&L for construction of Valve chamber built in brick masonry of size 450x450x450mm in cement motar (1:6) including base concrete PCC 1:4:8 mix type D2 100mm thick 230mm thick brick work plastering with cement mortar (1:4) 15mm thick internally & externally including provision of 3 mm thick MS sheet cover fixed with 40x40x6mm angle iron embedded in PCC 1:2:4 mix type B1 coping 100mm thick including painting to sheet & iron work with two coat of syntheticenamal paint over one coat of red oxide primer and three coats of white for all plastered surfaces and necessary earth work and excavation in any type of strata complate with locking arragngement lifting handle complete all as specified and directed by engineer-in charge.

Supply and fix 50mm Gun-metal,globe or gate valves,with iron wheel head,screwed both ends for iron pipe and fixed etc all as directed.

Supply and fix 25mm Gun-metal,globe or gate valves,with iron wheel head,screwed both ends for iron pipe and fixed etc all as directed.

Supply and fix 20mm Gun-metal,globe or gate valves,with iron wheel head,screwed both ends for iron pipe and fixed etc all as directed.

S&F Ball brass valves 20 mm high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed. Make: Prayag/zoloto/leader

Cutting GI pipe of 50mm dia in position for insertion of suitable new tee of 50mm for taking branch connection complete all as specified and directed.

shyam engineerings

Maruthi international

M/S GDR CONSTRUCTIONS