PROVISION OF CONSTRUCTION OF BLDNG FOR THE PROJECT ADVANCE CHARACTERIZATION OF NANO MATERIALS FOR DEFENCE IN DMRL AND SPLIT AC IN SINGLE OFFICERS ACCOMMODATION (BLDNG NO P-6) LOCATED AT CNA (DP) COMPLEX HYDERABAD

Amount

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

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

Removing excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as directed

Supply and spreading of dry natural, clean, 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 type 1, flat of size 300mmx180mmx40 mm laid in trenches complete all as directed

Supply and 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 for plain Cement concrete 1:3:6, type C2 (using 40mm grade stone aggregate) as in foundation, filling & mass concrete complete all as directed.

M&L for plain Cement concrete 1:2:4 type B2 (using 40mm graded aggregate) as in coping, filling & mass concrete.

Supply, lay, connect test and commissioning of 3 core 120 sqmm, 11000 volts grade XLPE insulated screened, PVC bedded, galvanized steel strip wire armoured, electric power cable (heavy duty) with aluminium conductor including taking out unserviceable burnt out cable complete all as directed

Supply, lay, connect test and commissioning of 3.5 core 400 sqmm, 1100 volts grade XLPE insulated screened, PVC bedded, galvanized steel strip wire armoured, electric power cable (heavy duty) with aluminium conductor including taking out unserviceable burnt out cable complete all as directed

Supply,lay, connect test and commissioning of 3.5 core 95 sqmm, 1100 volts grade XLPE insulated screened, PVC bedded, galvanized steel strip wire armoured, electric power cable (heavy duty) with aluminium conductor including taking out unserviceable burnt out cable complete all as directed

Supply, lay, connet test and commissioning of 4 core 16 sqmm, 1100 volts grade XLPE insulated screened, PVC bedded, galvanized steel strip wire armoured, electric power cable (heavy duty) with aluminium conductor including taking out unserviceable burnt out cable complete all as directed.

M&L for HT 11KV cable end joint kit, heat shrinkable out door type joint complete with jointing material & accessories suitable for 3 core 120 sqmm size XLPE armoured aluminium conductor cable complete all as directed.

M&L for HT 11KV cable end joint kit, heat shrinkable indoor type joint complete with jointing material & accessories suitable for 3 core 120 sqmm size XLPE armoured aluminium conductor cable complete all as directed.

M&L for Two pole structure consists of steel tubler sewaged 2 poles 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 necessary excavation and earth work including PCC (1:4:8) type D2 (using 40mm graded stone aggrgate) for foundation base and PCC 1:3:6 type C1(using 20mm graded stone aggrgate) for foundation and coping with PCC 1:2:4 type B1 (using 20mm graded stone aggrgate) and painting of one coat of red oxide primer and two coats of aluminium paint complete all specified and as directed. Note:-(i) Crane charges for erection shall be deemed to be including in rate quoted. (ii) Two pole structure consists of 2 Nos steel swaged tubular poles considered as one unit for the purpose of payment. Make: National tubing co.,/India Tubes co.,/ Bharat Poles.

M&L for steel tubular swaged pole, type 410, SP-31 (9.0 meter long) complete with CI base plate and errection of pole including excavation and earth work and PCC (1:3:6) type D2 for foundation base and for foundation and coping with PCC (1:2:4) type B1 and painting with two coats of aluminium painting over a coat of red oxide primer & white wash for PCC coping complete all as directed. Make: National tubing co.,/India Tubes co.,/ Bharat Poles. Note:- Crane charges for erection shall be deemed to be included in quoted rate.

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 commissioning complete all as directed. Make :- VJY/SMC/ATLAS

M&L Lightening arrestor expulsion type complete with all fittings transmission class, discharge capacity 65 Kilo Amps suitable for 11 KV connecting testing complete all as specified and directed . Make:- OBLUM/ELPRO/GECO

Supply, installation, testing & comissioning of copper wound isolation transformer filling of 125 KVA Three Phase oil cooled type including transformer oil complete all as directed. TECHNICAL SPECIFICATIONS 1. Input Voltage: 415 Volt 2. Output Voltage : 415 Volt 3. Primary Connection : Delta 4. Secoundary connection: Star 5. Frequency : 50Hz 6.Coupling Capacitance : Less Than 0.01 pF 7. C.M.N.R : 100 db 8. Type of cooling : Natural oIL Cooled 9. DC Galvanic Insulation : Over 100 Mega Ohms between any winding/winding to ground 10. Ambient Temperature :-1°C - 55°C 11. Transformer Ratio : 1:1 12. Power Factor : 0.9 Lag to lead 13.VI Electric strength: 2500 V AC for 120 Sec. 14. Insulation Resistance : More Than 100M Ohms. 15. Class of Insulation : Class 'F' 16. Losses : 1.5%-2% 17. Duty cycle : Continuous 18. Lamination : CRGO 19. Efficiency : More than 98% 20. IS Conforming to : IS : 9815

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 voltage with tapping range + 5% to -10% in steps of 2.5 % continous rating of 315 KVA (Level-II) confirming to IS: 1180 (Part 1):2014 & IS: 2026 - 2011, Oil - IS: 335: 1993 including first fill of oil,making incoming and outgoing connection to Transformer with copper conductor with lugs & glands complete, mounting on exisitng plinth complete all as specified and directed. Make :- ABB / SCHNEIDER / PROLEC GE / CROMTON GREAVES/ VOLTAMP The rate quoted shall deemed to include the following :-

Temp. Rise in oil [Degree C.] : 40, By Resistance [Degree C.] : 45, Ambient temperature : 50, Winding Material : Copper Type of Cooling : ONAN, Class of Insulation : Class “A”, Vector Group : Dyn11, Frequency [Hz.] : 50, Phase : 3, Insulation Level [kV/Kvp] H.V. : 28/75,L.V. : 3/---, Primary Connection [HV] : Delta, Primary Volts : 11000V,Primary Phases : 3 Primary Wires : 3,Primary rated current : 16.53 A, Secondary connection [LV] : Star,Secondary Volts : 433V,Secondary Phases: 3, Secondary Wires : 4, Secondary rated current : 420.01A, Taps on Primary Winding for : +5% to –10% in steps of 2.5%, Primary Voltage Variation Off Circuit Tap Changer No. of switch positions : 7 Terminal Arrangement H.V. : Bare Bushings, L.V : Cable Box Load Losses (Level-II) At 50% Loading : 1025 Watts (Max.) At 100% Loading : 3100 Watts(Max.) Impedance (Z) [Percentage] HV - LV : 4.50% No Load Current (% of Rated Current) : Less than 1.5 %

SUBJECT TO IS: 2026 TOLERANCE Weights & Dimensions (Approx.) a) Core & Windings with clamps (Untanking Weight) : 1080 Kgs. b) Tank & Fittings : 448 Kgs. c) Oil : 520 Ltrs. (442 Kgs.) d) Total Weight : 1970 Kgs. Overall dimensions of the transformer (mm) Length : 2050 Breadth : 1550 Height : 1850 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 (a) Ratio test (b) Polarity (c) Phase angle error measurement (d) I R Values (e) Winding resistance (f) Open circuit test (g) Short circuit & Impedance test (h) Separate source voltage test (j) Induced over voltage test (k) Pressure test (l) Oil leakage test

STANDARD FITTINGS AND ACCESSORIES: (a) Rating & Terminal Marking Plate One (b) Earthing Terminals Two (c) Lifting Lugs Two (d) Drain Valve with blanking plate One (e) Filter Valve with blanking plate One (f) Conservator One (g) Conservator Oil filling hole with cap One (h) Oil Level indicator with min. marking One (j) Dehydrating Breather One (k) Conservator Drain Plug One (l) Air Release Device One (m) Thermometer Pocket One (n) Pressure relief valve One (o) Roller Uni directional Four (p) Radiators (Weld able Type) Two (q) Bare Bushings HV Three (r) Cable Box LV One (s) Separate Neutral Terminal One (t) Off Circuit Tap Changer One (u) 100 mm dia Stem type thermometer One

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 cables with armoured shall be deemed to be included in quoted rates. (iv) Unit price deemed to included the connection of trip contacts of buchholz relay and temperature indicator of winding & oil in panel board.

Supply, install, test & commissioning of HT 11 KV, 400A, VCB ICOG panel out door type with suitable outdoor type enclosure made of 3.15 mm thick, dust and vermin proof , with locking arrangement duly powder coated, totally enclosed, free standing floor mounting type, compartment based with truck mounted vacuum circuit breaker spring operated electrically and manually charged operating mechanism suitable for horizontal isolation, horizontal draw out type VCBs with Aluminium bus bars, Self supported Insulated Busbar with full voltag rated should be used.back entry type complete VCB panel confirming to IEC 62271-200 standards and IP 4X class of protection comprising necessary bus-bars extension and connections and following protective and control devices as specified below. The switchgear and control gear panels shall be of the fully arc proof LSC 2B, PM, IAC AFLR for 26.3kA for 1Sec complete all as specified and as directed. The VCB and VCB Panel should be of similar make only. Make :- L&T/ SEIMENS /ABB

e) Resin cast potential transformers with ratio 11KV/1.732, 110V/1.732, suitable VA burden class0.5 with HT fuses, PT fuse should be gun type mounted on with drawable rack.-01 No. f) Microprocessor controlled numeric relay comprising of three over current , one earth fault protection relay with high set for both phase & earth and with fault memory, universal auxliary supply (Make : REJ601 of ABB/Equivalenet in Siemens/Schneider) - 01 No g) Trip circuit supervision relay. Make: ABB/Equivalent in Siemens/Schneider. h) Master trip relay. i) 63X Trafo fault Relay CV2D2J - 3 Nos. j) Power pack equipment with back up for 15 minutes including batteries & charger complete suitable for operation of relays. k) Internal bus earthing l) Manual trip switch. k) Space heater with thermostat - 1 No. l) Inside moving spot LED light fitting and switch (11W 230V ) - 1 No. (m) Plug point with switch (5A, 230V) - 1 No. (n) Insulated aluminium bus bar

(o) Manual charging/ operating arrangement. (p) Fuses for metering and protection system. (q) Push buttons for accepting faults and reset. (r) Rear bottom entry of HT cables. (s) LED indicating lamps (i) Auto trip (ii)Spring charge motor (iii)Trip circuit healthy (iv)Trip circuit unhealthy (v)Breaker ON (vi) Breaker OFF (u) Complete control panel wiring with FRLS PVC insulated copper cable of size not less than 1.5 sqmm (v) Civil works required for foundation as per manual of manufacturer. (w) Terminal block and breaker locking facility with key . - 01 No. Note :- (a) The following works before Commissioning of New VCB deemed to be included in the quoted rates:- (i) Tools & plants,safety devices like helmet,belt, HT/LT insulation gloves, earth road, Megger etc shall be provided by contractor (ii) After taking shutdown contractor should complete the commisioning of the Job within 24 hrs. (iii) Testing, calibration of relays/primary/secondary injection, testing the relays/submission of test report and control wiring/power wiring complete.

Material and Labour for maintenance free ring earth with four Nos single earth pits each pit consisting of two Nos copper coated steel rods of size 17mm dia joined with compression couplers (Total length 360cm long after joining), filled all around with 10 Kgs of earth enhancing compount, 25 Kgs of backfill compound, interconnecting the pits with 25mm x 3mm copper strip/ tape with exotherimic welding and connecting up to the ring with 50 Sqmm single core multistranded PVC insulated copper wire (7 Mtr) upto equipment room and terminating the wire/ strip with 25 mm x 6mm, 300 mm long copper Busbar fixed on wall with insualtor support. Note : (i) The ring main earth resistantce shall be 0.5 Ohms , (ii) Rate Deemed to be inclusive of one PCC inspection pit of size 30cm x 30cm x 30cm depth and RCC cover placed on main pit.

Earthing complete with GI earth plate electrode 600x600x6mm thick buried directly vertically to a depth of not less than 2.25m deep below ground level in ground with the top edge of earth plate at a depth of not less than 1.5m below ground connected to GI earh strip 25X4mm by means of bolts, nuts, washers of galvanised iron or steel, GI earth strip shall be protected by 40mm dia GI pipe 'light grade', watering pipe 20mm dia GI pipe 'medium grade', GI wire meshed funnel, altenate layer of charcoal and salt on all side to earth plate upto a thickness of 150mm, filling of black cotton soil in earth pit upto GL, and connected to earth plate including necessary excavation & earthwork, PCC (1:3:6) type C-1 earth chamber, 40mm thick RCC cover (1:2:4) mix with 8mm dia TMT bars @ 150mm c/c both ways etc complete all as shown in electrical plate No.3 of SSR part - I connected to earthing test point complete including testing on completion all as speciifed and as directed. NOTE:- GI strip beyond 7.5metre shall be measured and paid separately .

S&L copper earth strip 32X6 mm as in for earth continuity conductor or main earthing lead fixed to wall on batten or recess or buried in ground or fixed to poles or any other indicated situated for loop earthing etc. as required with necessary clamp & nut & bolt accessories complete all as directed.

M&L for GI earth strip of size 25x4mmas in earth continuity conductor or main earthing lead fixed to wall on batten or recess or buried in ground or fixed to poles or any other indicated situated for loop earthing etc. as required complete all as directed.

S&F LED Street light fitting with IP66 type protection, 70W, CCT (K) not less than 5700, 50 Hz and housing epoxy powder coated dia casted aluminuim housing with bright anodised reflector and enclosed with heat resistant and toughened glass front visor including constant current driver suitable for 140-270V AC , fixing on pole/Wall/bldg (including adjustment for up or down in pole or wall) side mounitng suitable for 40-60mm OD pipe and provn of 3 core PVC insulated PVC sheathed copper conductor multistranded wire upto fitting complete all as specified and directed. Make:- Phillips/ CG /Wipro

Supply and fixing Voltage stabilizer wall mounted Automatic Boost/Buck for low and high voltage correction equipped with electronic circuit, relays of single phase 50 Hz, AC supply complete with Voltmeter and designed for input voltage of 170 to 270 Volts and stablizer voltage between 215 to 240 volts. TDR to 3 Min of capacity, 4KVA rating complete all as specified. Make : V-Guard/K-line/Blue Bird

Supply and install 5 star Inverter type hi wall split units indoor and outdoor complete with cordless remote control unit and with in built air ioniser and Plasma filter for better indoor air quality Inverter type, of capacity 1 TR with CFC free Refrigerant gas R-410 suitable to operate on 230V single phase supply, including Refrigerant, copper tube of suitable dia. from indoor to outdoor unit, Insulation felt to copper tubing, power cable/controll wiring from indoor to outdoor units,supply power cable & connection through Stabilizer to indoor unit, complete all as directed. Make : LG/Voltas/Bluestar

S&F of copper tube of size 3/8 inch dia includIng necessary soldering , flooring, civil works (making holes for pipe and making good to the distrubed surface) and connecting and testing in between indoor to out door units of split type AC upto 2.0 Ton complete all as specified and directed.

All as per Srl Item No-30 here-in-before but size of copper tubing 1/2 inch dia complete all as directed.

S&F water Drain pipe of Size 20mm for AC includig making holes in wall/ surface as required as per site conditions including all necessary clamps, complete all as directed.

S&F Wall mounting Brackets made out of steel, coated with anti corrisive paint suitable for mounting outdoor unit upto 2 floor hight Capacity including wall Anchor fastener suitable for brackets complete making good to the disturbed surface of wall all as directed.

Supply & laying GI pipe of 40mm dia, Medium grade with all Fittings such as elbows,tees, unions, short pieces, bends, etc., complete all as directed.

M&L for cutting to existing steel tubing for alterations or tapping for new branch upto 50 mm GI tubing complete all as directed by Engineer-in-Charge.

M&L for bends (any type radius and angle) tapers any type, (Straight, bend, increasing, decreasing or double socket etc.) Tree pieces single branch. "y" junction, double branch, cross (all collars, caps and plugs sockets or socket and spigot upto 150mm dia all as per specified.

Supply and fixing of 40 mm dia gun metal gate valve with iron wheel head, screwed both ends for iron pipe complete all as directed.

S&F of 1000 Ltrs capacity rotational moulded polyethylene water storage tank triple layered (cylindrical vertical with closed top) as per IS-1270 - 1989 hoisted including provision of 25mm dia ball valve brass with polyethylene float and fly nut and fixed in position complete complete all as directed. Make: SINTEX/ INFRA/POLYCON

M&L for dismantling old valve chamber and material and labour for construction of brick masonry new valve pit chamber of size 900mmx900mmx600mm (internal), 230mm thick PCC 1:4:8 type D2 lean concrete foundation using 40mm graded stone aggregate, providing with old size fly ash bricks masonry wall of 230mm thick built in CM 1:6, rendering 15mm thick in CM 1:6 finished even and smooth using extra cement internally and 20mm thick in CM 1:4 and finished fair and even externally and plaster shall be done 150 mm below ground level, supply and fix 2mm thick MS sheet steel cover fixed on 40x40x6mm angle iron frame embedded in PCC 1:2:4 coping with locking arrangement and MS hold fast and handle made out of 25x6mm flat iron, applying two coats of synthetic enamel paint of approved shade over a coat of primer (red oxide) to all exposed steel surfaces and applying three coats of white wash to exposed plastered surfaces and making good all disturbed suface to match surrounding complete all as directed.

M&L for dismantling old valve chamber and material and labour for construction of brick masonry new valve pit chamber of size 450mmx450mmx600mm (internal), 230mm thick PCC 1:4:8 type D2 lean concrete foundation using 40mm graded stone aggregate, providing with old size fly ash bricks masonry wall of 230mm thick built in CM 1:6, rendering 15mm thick in CM 1:6 finished even and smooth using extra cement internally and 20mm thick in CM 1:4 and finished fair and even externally and plaster shall be done 150 mm below ground level, supply and fix 2mm thick MS sheet steel cover fixed on 40x40x6mm angle iron frame embedded in PCC 1:2:4 coping with locking arrangement and MS hold fast and handle made out of 25x6mm flat iron, applying two coats of synthetic enamel paint of approved shade over a coat of primer (red oxide) to all exposed steel surfaces and applying three coats of white wash to exposed plastered surfaces and making good all disturbed suface to match surrounding complete all as directed.

Indu Electricals

N Harikrishna Rao and co