SPECIAL REPAIRS TO EXTERNAL ELECTRIFICATION BY CONVERSION OF HT OVERHEAD FEEDER TO HT UNDERGROUND CABLE FROM VI MESS TO LALBAZAR SUB STATION, PROVISION OF 315 KVA TRANSFORMER AT MH SECUNDERABAD AND 100 KVA TRANSFORMER AT UNIT 729 UNDER GE (U) SECUN

Amount

Supply & Erecting Steel Tubular Swaged Pole Type 410-SP-55 (11.0 Meter long) including Cast Iron Base Plate, Finial Taper Plug, Cap, Mild Steel Bolts, Nuts, Screws including applying Two Coats of Black Bituminous Paint Internally and Externally upto Planting Depth and applying with Two Coats of Aluminium Painting over a Coat of Aluminium Primer (Externally from Top of Coping) including Writing MES Pole No. with Synthetic Enamel Paint (First Grade/quality), complete all as specified and as directed.

Supply, Laying, connecting, Testing and Commissioning of XLPE insulated screned PVC beded galvanised steel strip or wire armoured earthed electric power cable (heavy duty) with aluminium couductor 11 KV(E) grade suitable for earthed system cross sectional area 95 sqmm 3 core H.T.U.G cable laid in tranches/through GI pipe/fixed along with pole complete all as specified & directed Make- ICC, CCI, Polycab, Havells, KEI.

Supply & Laying GI tubing light grade of following size 80 mm for cable protection on road/drain/floor/Pole including necessary clamps. .40x4mm. Make : TATA/Jindal/Bansal with ISI makred.

Switch air break gang operated triple pole mechanically operated mounted on 10 KN insulators insulator and steel frame out door type suitable for Horizontal / vertical installation single / double brake provided with locking arrangement, consisting of MS channel ,HT post type insulator ,copper alloy high pressure assembly ,operating rod of 25 mm dia GI pipe medium grade confirming to IS-1818 of 1972 ,suitable for 11000 volt ,400 Amps, short time withstand current 25 KA for 3 sec complete all as specified.

S&F drop out fuse unit woth 10 KN insulator suitable for 11000 volt ,100 amps mounted on MS channel complete with post insulator fuse barrel etc for 3 phase.

Lightning arrester non linear complete with all fittings distribution class discharge capacity 65 kilo amp, current rating 5 kA suitable for 11000 volt complete with all fittings.

Anticlimbing device, spikes type fabricated out of ms bars(round,square and flat )including nuts,bolts,washers,and welding in two halves made to shape to suit cross section of the pole and painting with two coats of aluminium paint over a coat of primer.

Danger notice plate of 1.6 mm thick mild steel sheet vitreous white ,with letters ,figures and fixed with ms clamps bolts and nuts of size approved size for HT of size 25cmx20cm confirming to IS-2531.

S&F cable end termination suitable for XLPE, HT 11 kv (E) under ground cable,95 sqmm,3 core,11000 volt ,heat shrink type out door end termination incl all jointing material complete all as specified and directed. Make: Birla 3m/m-seal/3M /DENSON

S&F cable route indicator for HT round shaped 150mm dia 10mm thick with marking of 11 KV, HT welded bolted on angle iron of 25x25cmof 60 cm length grouted in PCC 1:3:6 TYPE C2 block of size 150X150X150mm embedded in ground including nece exc earth work complete all as directed.

M&L cross arm bracing support clamp back plates fabricated from structural steel section including nut bolt washer welding, bending, cold or not drilling holes for bolt in any shape or size as directed & incl two coat of aluminium paint over a coat of red oxide primer complete all as specified & directed.

Supply , Install, Testing and Commissioning of Advance Maintenance Free G.I. SAFE EARTHING Electrode with PIPE of not less than 50 mm outer dia) and two meter length, The electrode should be of galvinised (80 -100 micron) along with earth lead as Galvanised steel strip of size 32 X6 mm 7.5 m . The GI Electrode shall be pre-filled with Cristaline Conductive Material (CCM) . The GI electrode shall be surrounded with 25 kg BackFill compound to provide maximum contact between the electrode and Back Fill Compound. The earting pit cover should be factorty built ( size TOP- 10 Inch, Bottom -13 Inch, Height 10.25 Inch ) made of heavy duty Polypropylene complete all as specified and directed Make : ASHLOK / INDELEC/JMV /TERCEL/TRUE POWER

S&F galvanized earth strip 32 mm x 6 mm for earthing from earth plate to equipment complete all as specified and as directed.

Aluminium conductor steel rainforced for over head lines,securing on poles complete including binding wire jointing sleeves, aluminium taps etc all as specified of sizes squirrel/weasel/ferret/mink.

Pin type, porcelain, vitreous, white,brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nuts ,150 mm hight,150 mm dia for 11000 volts 10 KN

S&F disc type insulator vitreous 145 mm high and 255 mm dia ball and socket type white /brown 70 KN "two in one series" assembly for tension with clamps for conductor suitable for 11000 volt working pressure complete all as specified and as directed.

Dismantling and taking down existing cross arms from pole

Taking down HT over head line copper/ aluminium from pole / insulator complete with guarding & cradlesall as specified and as directed .

Taking down carefully existing pin /disc HT insulator from pole.

Excavation in trenches not exc 1.5 mtr wide and n.exc 1.5 mtr in deep and getting out in Hard/Dense soil laying of cables etc.

Excavation in trenches not exc 1.5 mtr wide and above 1.5 m depth but not.exc 3.0 mtr in deep and getting out in Hard/Dense soil laying of cables etc.

Excavation in trenches not exceeding 1.5 m width and not exc 1.5 m in depth and getting out in hard rock for /laying of pipe line complete all as specified and directed including removing of debries from site

Returning filling in including spreading, leveling watering and well ramming in layers n.exc 25cm thick using excavated soil

Removing excavated surplus soil to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5mtr above from the starting point

Supplying and laying un-reinforced precast concrete cable cover class HV, Type 1 flat with size 300mm x180 mm x 40mm all as specified and directed by Engr-in-Charge.

Spreading riddled earth (after preparation of excavated earth) in Cable duct for cushioning of cable laid in trenches complete all as directed by Engineer-in-Charge Note:- Punned thickness 18 CM (6.25 Cm below cale and 11.75 cm above cale) will be measured for payment purpose. The earth removed during excavation to be used as rddled earth after crushing and sieving. Quoted rate deemed to be inclusive of all arrangement as mentioned.

M&L cutting of road, hard standing made of concrete or premix carpet, WBM, soiling and morrum filling including excavation for laying of cable pipe all as directed and making good the road/hard standing by using all old/new materials and with PCC (1:2:4) etc, required to match with the existing surface complete all as specified and directed.

M&L for road crossing/drain crossing by adopting trench less tunneling work through specified pipe jacking method by erecting the equipment to true to the allignment and gradient by haidrolic pipe jacking technique complete including tunneling, excavation in any type of soils including hard rock, GI Pipe 100 mm dia medium grade in any length including jointing materials to carry HT UG cables of size 95 Sqmm 3 Core and necessary conveyance charges of machinery and other required materials in co-ordination with the concerned authorites complete all as specified and as directed. Note : Quoted rates deemed to be inclusive og GI Pipes 100 mm dia medium grade

Cement Concrete 1:2:4 Type B1 (20mm Graded Stone Aggregate) as Lean Concrete in Foundation of Poles, Stay Assembly, etc., including formwork and for foundation of GI pipe, Bollard Light (as/if required), complete all as specified and as directed.

Cement Concrete 1:3:6 Type C1 (20mm Graded Stone Aggregate) as in Coping of Poles, etc. including Formwork (as/if required), complete all as specified and as directed.

M&L for shingle filling in substation / around 4 pole structure / transformer yard of Gauge 40 to 63 mm, deposited, spread and levelled in layers not exc. 150mm thick, watered and rammed to a True Surface, complete all as specified and as directed.

Surface excavation not exc 30 cm deep and averaging 15cm deep and getting out hard/dense soil

Rough Excavation n.exc 1.5 m deep and getting out hard/dense soil

Supply, installation, testing nad commissioning of double wound copper transformer step down, outdoor type complete with standard fittings, primary voltage of HT 11000 Volts and secondary LT 433 volts, 3 Phase 4 wire with frequency 50 c/s. Provided with 5 No of off load tappings on HT side to vary secondary voltage within range of +7.5% to - 2.5% (in steps of 2.5%), star delta connections with vector group of Dyn 11, Impedance of 5% and including PCC Foundation, first filling of transformer oil as per IS:335 and color coating with one coat of primer and two coats of BS grey colour. Losses all as per IS:1180 (Level - ii) of capacity of 315 KVA with the following accessories:- (a) Rating and Terminal marking plate- one (b) Earthing Terminal- Two (c) Lifting Lugs- Two (d) Drain valve with Blanking plate - One (e) Filter Valve with blanking plate- One (f) Conservator-One (g) Oil Level indicator with minimum marking (h) Dyhydrating breather-One (j) Air Release devise - One

(k) Thermometer Pocket-One (l) Pressure relief valve - One (m) Roller unidirectional-Four (n) HV side Bare Bushing and LV side cable end Box (o) Separate Brought out Neutral Terminal (p) Off Circuit Tap Changer (q) 100 MM dia stem type Thermometer (r) PCC Foundation for Transformer of size not less than 1.5MX1.5Mx1.5 M including provn of cable entry on LT side. Make : Essennar/ HIT/VOLTAMP/ABB/Schneider Note :- (a) Factory inspection and factory testing of the transformer to be done by the rep of Accepting Officer. Necessary arrangement for factory inspection and testing to be done by the contractor. Rates for the same deemed to be included in the quoted rates. (b) Contractor should submit the drawing of the transformer based on the IS and Energy level mentioned in BOQ and take necessary approval from Accepting Officer before finalization order to the manufacturer.

All as per item No 34 & 34.01 above but 100 KVA

M&L for air break switch, rocking type, Gang operated, triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 amps suitable for 11000 volts complete all as specified and as directed.

S&F heron gap type fuse unit upto 25 Amps capacity, mounted on insulators and steel frame operated mechanism worked from ground level single pole 11 kV dropout lift off (DOLO) complete all as specifed and directed.

Supply, laying, connecting by using lugs 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 240.0 sq mm 3.5 core including necessary lugs for connection of cable complete all as specified and directed.

Supply, laying, connecting by using lugs 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 185 sq mm 3.5 core including necessary lugs for connection of cable complete all as specified and directed.

Design, fabrication, supply and errecting connecting and testing totally enclosed LT Cubical panel board of size not less than 1800x1350x450mm, 3 Phase 4 wire system Outdoor type 3.15mm ,double door front and back openeing type sloped canopy(Hood) on top extended 100mm all-around, separate compartment for each control gear, cable alley, provision of knock out type plates for various sizes of cable up to 400 Sqmm 3.5 Core in and out(Quantity of konck out type plates shall be double for incoming & out going cable entries, panel board shall have sufficent space to accommodate spare cables also) , incoming and outgoing feeders duly marked on revited plates etc, CPRI approved factory made fabricated out of 3.15mm thik CRCA sheet duly treated through 7 tank pre treatment process and painted with epoxy power coated mat finish of SIEMENTS GREY structral RAL 7032 shade colour, built in industrial type locking arrangement on front and back and pre wired with PVC insulated multi stranded copper conductor for controls and monitors, PVC sleeved aluminium strip for connecting MCCBs, Panel mounted on angle iron frame of 50x50x6mm thick duly painted and embeded in PCC 1:3:6 type C1, 15cm below ground level and 45cm above ground level and consisting the following provisions:-

(a) MCCB 630Amps Four Pole AC 415 Volts,50Hz, 50kA , Adjustable Thermal & Magnetic settings, Cat No CM94104OOT1OG Make: L&T or its equivalent in Schnieder/Siemens/legrand - 01 No (incoming) (b) MCCB 400Amps Four Pole AC 415 Volts , 50Hz, 50kA, Adjustable Thermal & Magnetic settings, Cat No .CM94104OOS1OG Make: L&T or its equivalent in Schnieder/Siemens/legrand - 02 No (Outgoing + Spare) (c) MCCB Three Pole 250 Amps 50Hz 415 Volts, Adjustable thermal Magnetic realse with rupturing capacity 36 KA-03 Nos (outgoings) Make : L&T Cat No CM98401OOQOOG or its equivalent in Schnieder/Siemens/legrand

Supply and Laying bricks, common burnt clay building bricks, sub class 'B' of size 220 x 115 x 70 mm laid across in trenches for cable protection complete all as specified and directed.

M&L filling sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed. Note :- Thickness of sand cushion after punning down (i.e 18 cm) shall be measured for payment.

Supply, Installation, test and Commissioning CPRI APPROVED factory fabricated, out door type, LT FEEDER PILLAR BOX made out of 3.15 mm thick CRCA Sheet of size 1MX.75mX.35M with projected Globe roof for rain water protection Dust and Vermin Proof, Double door with both side opening including Neoprene Rubber Gasket, suitable for 440 Volt 3 Phase 4 Wire System ,including Danger Plate, Earthing Strip Point and Ventilation Louvers at Rear Side, Bottom detachable Gland Plate comp-lete with suitable size Zinc Chromium Plated Nuts, Bolts and Washers, etc. and embeded with 50X50X6mm Mild Steel Angle Iron Frame and 600 mm above the Normal Ground Level complete with internal connection with suitable size of cable, cable lugs and cable glands PCC Foundation in Cement Concrete 1:3:6 (20mm Graded Stone Aggregate) and Testing after Installation complete all as specified and comprising of the following :– (a) Aluminium bas bar 200amps - 04 Nos, supported with suitable size of heavy duty porcelin stand lock with suitable size of brass nut, bolts and washer with heat shrinkable PVC sleeving. The bar shall be colour coded (red, yellow and blue) for three phases and black for neutral. (b) MCCB 160 amps ,415 volt ,16 KA Breaking capacity 4 pole Electromagnetic release thermal adjustable type ( Min 70 % to 100 %) duly connected to Bus Bar As IN COMING - 01 Nos Make : Legrand model no: 420015/ Equivalent from Schinder/L&T/Hagar

SANJEEV CONSTRUCTIONS

Srinivash Engineers

L and S ENTERPRISES

LEOENTERPRISES

POWER CONSTRUCTION COMPANY

sree venkateswara enterprises

R AND A ASSOCIATES ENGINEERS CONTRACTORS