SPL REPAIR TO VCB PANEL, APFC PANEL AND OVERHEAD HT LINE TO UNDERGROUD ON CABLE AND OTHER ALLIED WORK AT MISA CAMP UNDER GE (S) TEZPUR

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth and getting out in soft/ loose soil for laying cables / GI pipe, foundation of pole, stay etc., complete all as specified and as directed by Engr-in-Charge.

Excavating in Trenches, exc. 1.50 Metre but not exc. 3.00 Metre in depth, for Foundation of Pole/Stays, etc. and getting out in Soft/ Loose Soil, complete all as specified and directed by Engineer in Charge

Returning filling in approved earth in trenches including spreading, levelling, watering and well ramming in layers not exc 25 cm thick in layers in soft / loose soil after the cabels are laid and tested complete all as specified and directed by Engineer in Charge

Removing excavated material to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by Engineer in Charge

Material and labour sand filling in trenches with clean dry unwashed sand for cushioning of under ground cable complete all as specified and as directed by Engr-in-Charge. Note : Punned thickness of sand will be measured.

Supply and laying unreinforced precast concrete cable cover, class HPV, Type-I, flat size 300mm x 180mm x 40mm thick laid dry for protection of UG cable complete all as specified and as directed by Engr-in-Charge.

M&L for Brick Sub Class 'B' locally available best quality laid in trenches with width equal to length of the bricks, above sand cushioning for cable protection complete all as specified and as directed.

S&F GI pipe 100 mm dia of bore light grade galvanised with all fittings laid in trenches / fixing with surface of wall by providing FI clamps after drawn through electric cable by means of nuts bolt and washerscomplete all as specified and as directed by Engr-in-Charge.

Supply, laying, testing & commissioning of HT XLPE Cable, insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electic Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘Earthed Grade, cross-sectional area 120 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road complete all as specified and as directed by Engr-in-Charge.

Supply, laying, testing & commissioning in repair in trenches of XLPE UG cable insulated aluminium stranded conductor served with an inner sheathing or PVC tape heavy duty armoured upto 1100volts (earthed) GI steeel strip and overall PVC sheathed nominal cross sectional area 240 sqmm 3.5 core and testing complete including providing Al lugs and connecting cable in system all as specified and directed by Engineer in charge.

Supply, fixing, errecting in trully vertically position steel tubular swaged welded pole complete with cast iron base plate, finial taper plug, bolts, nuts, and screws as specified type 410 SP - 55 (11 mtr long) including one primer coat, one under coat, one finishing coat of aluminium paint, marking of pole numbers and making 3 Nos of red and white colour strip of 30 cm wide on equal distance from coping complete all as specified and as directed by Engr-in-Charge.

M&L for Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated/ directed and inclusive of one coat of Aluminium Primer one Under Coat and One Finishing Coat of Aluminium Paint, complete all as specified and as directed by Engr-in-Charge.

M&L for cement contrete 1:3:6 type C- 2 40 mm graded stone aggregate as in foundation of pole filling and mass concrete in complete all as specified and as directed by Engr-in-Charge.

M&L for cement contrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in roof, kerb or mud stops rounded or charged on edges ,coping etc complete all as specified and directed by Engineer in Charge.

M&L Stay Assembly complete with Accessories as show in Electrical Plate No.1 of MES Schedule Part-I, diameter of Stay Rod 16mm, size of Plate 230x230x6mm complete all as specified and as directed by Engr-in-Charge. NOTE: Earthwork, Cement Concrete, Mild Steel Stay Clamps etc., Loop Insulator, etc. will be measured and paid under approprite Items.

Supply and fixing galvanised stay strand of size 7/3.15mm with nut bolts complete all as specified and as directed by Engr-in-Charge.

S&F Loop Type Insulator Vitreous White, Brown or Green, large size with overall dimensions 90 x 140mm, clearance of hole 25.5 mm dia, complete all as specified and as directed by Engr-in-Charge.

S & F Composite Polymer 11 KV Pin insulator including one galvanized mild steel spindle, two galvanized iron washers, and one galvanized iron nut, 150 mm height, 150 mm dia for 11000 volts grade ccomplete all as specified and as directed by Engr-in-Charge.

S&F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25 x 20cm size all as specified and directed.

S&F Ploymer type air break switch 11 KV, gang operated triple pole, vertical type, mechanically operated, mounted on 09 insulator and steel frame with operating mechanism worked from ground level for current rating upto 200 Amps with,complete accessories, providing operating handle of GI pipe of 40 mm bore with locking arrangement, including fixing gang switch on two pole/ four pole structure by providing GI nut bolts washers etc and providing pad lock complete all as specified and dircetd by EIC.

S&F Polymer Type Lightening arrestor expulsion type complete, with all fittings, transmission class, discharge capacity 65 Kilo Amp for 11KV complete all as specified and as directed by Engr-in-Charge.

Supply fixing,installation and testing of Polymer type expulsion fuse assembly single pole vertically mounted on MS channel 11000 volts grade upto 100 amp capacity including making connections with HT cables/ GOD including providing of jumpers of ACSR conductor of sufficient length complete all as specified and as directed by Engineer in Charge.

M&L for earthing complete with galvanised steel earth plate electrode size 600 x 600 x 6 mm thick, burried directly in ground, (Earth pit not less than 3.0 m deep below ground level) with top edge of the plate not less than 2.25 m below ground level connected to galvanised iron strip 32 x 6 mm as earthing lead wire by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 connected to earthing test point all as specified or indicated including testing on completion, surrounded from all sides by mixture of charcoal and common salt, Providing 40 mm bore protection pipe for GI strip, GI pipe light grade 20mm dia bore for watering including funnel with wire mesh on top, CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 3 connected to earthing test point all as specified Notes for earthing : 1. The unit rate includes for protection pipe and GI strip dia from top of earth plate upto 7.5 meter above ground level. 2. The unit rate includes for protection GI pipe of 40 mm and watering pipe of 20 mm bore including excavation for earth pit in any type of soil/ disintegrate rock. 3.The cost of GI strip of size 32 x 6 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of item and earth strip beyond 7.5 RM will be measured and paid seperately under relevant item 4. All the joints in GI strip and connection with Earth Plate to be welded and in addition by providing double brass nut bolt and washer. 5. Cost of welding and nut bolts are deemed to be included in the unit rate. 6. The contractor shall submit the test report of each earthing to EIC before claiming for payment. 7. Before leaving the site all excavated soil etc to disposed off and to make the site clean by the contractor without any extra cost.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories, ferrule etc suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm complete all as specified and as directed by Engr-in-Charge. Make: Birla 3 M/ M Seal / Rychem

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories, ferrule etc suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and as directed by Engr-in-Charge. Make: Birla 3 M/ M Seal / Rychem

Supply,fixing, installation, commessioning and testing Servo controlled Voltage stablizer For automatic operation of 50 KVA capacity confiriming to BIS 9815: Part 1 : 1994 reaffirmed 2009, 3Phase, 50 HZ, Naturally oil cooled, Indoor type, unbalanced type, copper wound, with digital display type Relay, free smooth and silent operation with 1st fill of transformer oil (IS335:1993, reaffirmed 2005), IP 42 designed for input variation between 340 V to 480 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second having following specification complete all as specified with followings:- (i) Input Voltage 340 Volt -480Volt. (ii) Output voltage stabilized at 415 V + 1%(Adjustable). (iii)Rated frequency 50 HZ. (iv) No distortion wave form. (v) Respond time shall not to exceed 10 Milisecond. (vi) Sensitivity (+ ) 1 %. (vii) Rate of correction 8 Voilt /Second for single Phase and 20 Volt / Second for Phase to Phase. (viii) No load losses less than 0.5% and full load losses less than 2.5%. (ix) Duty cycle Continupus 24 x7. (x) Efficiency more than 95%. (xi) Type of load : 3 Phase, unbalance type. (xii) Digital Volt meter/Ampere meter). Protection : (i) Overload/ Short circuit protection. (ii) High /Low voltage cut off.(iii) By pass arrangement in case of emergency.(iv) Single Phase sequence change protection. Note for Servo control Voltage Stablizer : (i) Contractor shall produce the General arrangement drg of voltage stabilizer, specifications & make and get approval of GE before procurment. (ii) Test Certifcate and Purchase voucher of Stablizer to be submitted by contractor before claiming the payment.

Supply, installation, commissioning and testing Automatic Intelligent Power Factor Corrector (APFC) capacitor bank Panel for 3 phase, 415 V & 50 Hz system of capacity 50 KVAR with MDXL capacitor and controller. The panel shall be floor mounted ,weather proof made out of 2 mm thick CRCA sheet and structure duly fixed on structural channel, fixed on ground by PCC works ( 1:2:4 Type B-1 ) and neat cementing the same, the cubical panel should have enamelled danger notice plate, Panel painted with powder coating paint internally and externally on the surface all as specified and directed. The panel box should be cubicle shaped with special type of hinges and totally enclosed dust proof and vermin proof front and back opening with locking arrangements incl necessary control circuit connections and necessary cable connections by lugs and glands incl provision to accommodating capacitor and the following electrical items:- Automatic power factor correction (APFC) Panel for 3 phase, 415 V & 50 Hz system of capacity 50 KVAR, 8 steps of ( 3 x 10 KVAR + 4 x 5 KVAR ) with MDXL capacitor and controller all as specified and directed by Engr-in-Charge. The APFC Panel comprising of foliowing specifications : (a) MDXL type power capacitor with harmonic filter and 10% nonlinear load for 3 phase 440 V 50 HZ system of banking pattern 3 x10 KVAR , 4 x 5 KVAR ( Total 50 KVAR) Make-L&T/ ABB/ Siemens/ Schneider/BCH (b) Automatic PF Controller 8 Step LCD display 110-415 V AC -01 No Make-L&T/ ABB/ Siemens/ Schneider/BCH (c) Main incoming MCCB 125 A FP 25 kA with Ics=100%Icu with front operate rotary handle. Make : Make-L&T/ ABB/ Siemens/ Schneider/BCH.(d) Contactors (Capacitor duty type ) L&T/ ABB/ Siemens/ Schneider/BCH, Delay Timer Make : Teknik and individual MCB (SP/DP/TP) Make: L&T/ ABB/ Siemens/ Schneider/BCH of suitable rating for automatic / manual operation - required qty & CT (Cast Resin type) (e) LED type phase indicating lamps (RYB) Make: L&T/ ABB/ Siemens/ Schneider/BCH

Supply and fix DC power pack of input voltage 230V AC single phase, input frequency 50 Hz ± 5%, Output voltage 110 VDC ± 5% V with 7AH Battery all as specified and directed.

Taking down the HT vacuum circuit breaker of any make, capacity from 400-630 Amps, 11 KV, 800 Amps for servicing, repairs and re-assembling complete comprising of the following including testing and commissioning all as directed. (a) Checking the serviceability of all parts, cleaning, alignment of closing/opening mechanisms and re-assembling the unit complete and making it smooth functional. (b) Cleaning the external surface of bushings with CRC/ Tri-chloro-ethylene to remove the accumulation of carbon or any other deposits. (c) Checking the VCB panel wiring and repairing for making VC in fully functional condition . (d) Dismantling the spring charging mechanism of the VCB, checking the operations of the closing/tripping through closing/tripping coils electrically as well as manual charging including cleaning re-adjusting worn out parts etc. (e) Checking the condition of the spring charging motor along with gear box including providing servicing to the motor commutator bushes, lubrication of bearing surfaces etc. (f) Calibration of relays and meter of VCB, for making it fully functional and in earth fault, over current etc relay can be work and trip the VCB. (g) Inspecting all bolts, nuts, pins and ensure collar pins are in place and they are tight and opened properlycomplete all as specified and directed by EIC up to his full satisfaction. Note for repairing and servicing of VCB : (i) All T&P and instruments, testing kit, primary injection kit to be bring by contractor for repairing, testing and calibration of VCB. (ii) Contractor shall submit the test sheet of VCB testing before and after carried out repaiirng and calibration of relays & meters. Testing of VCB to be done in presence of Engineer in Charge. (iii) Repairing , servicing and calibration of VCB shall be done through expert technician/ engineer of OEM/ Expert technician/ engineer of ASDCL. (iv) Contractor shall made the DC supply fuctional for functionality of all relays on DC supply. (v) Any minor parts not catered in scope if required to be replace for makeing the VCB serviceable to be provided by the contractor without any extra charge.

Supply fixing grouting and painting cable route indicator made up of factory made precast RCC slab of size 1000mmx500mmx80mm thick duly embossed with MES HT cable/MES LT cable size of cable and grouting on the route of HT/LT cable complete. Note:- (i) Excavation, PCC foundation for erection of route indicator will be measured and paid under approprite Items. (ii) Slab route indicator to be provided with 4 Nos x 8 mm diameter TMT bars along lenght of slab with 7 Nos cross bar 6 mm dia in reinforcement with shuttering. (iii) Route indicator RCC slab to painting with two coat of red colour synthetic enamel paint over on one coat of white primer base all as specified and directed by engr-in-charge.

Dismantling of ACSR conductor of any type and size complete all as specified and directed.

Taking down , dismentling, old rusted cross arms of MS channels or angle sections etc complete and setting aside for reuse or given credit to contractor under credit of schedule, complete all as specified and directed by EIC.

Dismantling of insulators any type any size complete all as specified and directed.

Dismantling of Concrete Pole and Struts any type any size complete all as specified and directed.

Dismantling of Stay assy complete all as specified and directed.

NOTES: 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. The rates for RCC/PCC shall deemed to include the cost of formwork, shuttering etc., required for complete and proper execution of the item. Refer Schedule "A" notes for details.

M/S N S CONSTRUCTION