REPAIR/MAINT TO CERTAIN SERVO VOLTAGE STABILIZERS, CONTROL PANELS, CABLES, SWITCHGEARS AND CONNECTED WORKS AT JHANSI CANTT UNDER AGE E/M AT GE JHANSI

Amount

Dismantling and removing of Servo Controlled Voltage Stabilizers of any make from its installed position by disconnecting electrical cables, earth strips from its location to open area for checking and servicing of Servo Control Voltage Stabilizers from inside of the tank, removing & fixing of defunct components, testing components assembling & closing of the tank after draining insulation oil , cleaning the slug complete reinstalling back in its original position, and testing on completion for satisfactory performance of the following capacity :- Note :- Spare parts required shall be measured and paird separately under relevant items as supply only.

Supply only of the following items for Servo Controlled Voltage Stabilizers of capacity 30 KVA to 300 KVA suitable for existing model as per sample :-

Control Card

Servo Gear Assembly sutable for Servo Motor of Torque 3 Kg/Cm (up to 50 KVA Stabilizers)

Servo Gear Assembly sutable for Servo Motor of Torque 10 Kg/Cm (100 KVA & up to 300 KVA Stabilizers)

Digital Card .

LED Indicator Assembly (Small & Medium)

Transformer Oil

Acrylic Cover for Control & Indication Window

Ammeter 76 mm complete all as specified and directed.

Voltmeter 76 mm complete all as specified and directed.

Ammeter 96 mm complete all as specified and directed.

Voltmeter 96 mm complete all as specified and directed.

300 KVA Buck/Boost Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

250 KVA Buck/Boost Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

100 KVA Buck/Boost Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

50 KVA Buck/Boost Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

300 KVA AutoTransformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

250 KVA Auto Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

100 KVA Auto Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V complete all as specified and directed.

50 KVA Auto Transformer suitable for input Voltage range from 300 V to 480 V with out put voltage 400 to 440 V

Carbon Brushes 100 Amps (Upto 100 KVA)

Carbon Brushes 200 Amps (above 100KVA to 300 KVA)

Carbon Brush holders and sliding Assembly in upto 250 KVA

Material and labour for preparation of new or previously untreated/old painted steel surfaces, applying Primer and Spray Painting of following capacities of Servo Controlled Voltage Stabilizers with approved Siemens Gray complete all as specified and directed.

Up to 100 KVA

Above 100 KVA to 300 KVA

M&L in replacement of Power Cables, Aluminum Stranded Conductor 185 sqmm, 3.5 core, XLPE Insulated, Cores laid up, PVC Inner sheathed, Armoured with galvanized wire or galvanized steel strip, overall PVC Sheathed, 1100V Grade as per IS 7098(Part 1) 1988 complete laid in trenches / floors / fixed to poles / walls / drawn through pipes etc including provn of lugs, glands, nuts, bolts & washers etc for connecting in LT feeder pillar box / transformer bushings/LT OH Line and testing on completion all as specified and directed. Note: Excavation, earth work and provn of cable covers / protection pipe etc shall be measured and paid separately under relevant items of BOQ.

All as per Ser item No. 4.00 above but of size 120 sqmm, 3.5 core complete all as specified and directed.

All as per Ser item No. 4.00 above but of size 95 sqmm, 3.5 core complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep and getting out in any type soil for laying cables etc, complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm, complete all as directed.

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point, complete all as specified and directed.

Supply and lay in trenches, un-reinforced precast concrete cable cover, Class LV, Type I, flat, size 250 mm x 150mm x 40mm for cable protection in trenches complete all as specified and directed.

Supply and spread M-sand in trenches for cushioning of cable complete all as specified and directed. Note: Punned down thickness only shall be measured for the purpose of payment.

Material & Labour for cutting of existing hard standing up to 15 cm depth for laying of pipe lines and making good the disturbed surfaces by providing PCC 1:2:4 type B-1 (using 20mm graded aggregate) after laying of pipes lines and returning filling of soil, complete all as specified and directed. Note:- Excavation and earth work below hard standing will be measured and paid under relevant items.

Supply and fix in replacement of 100mm dia bore tubes, 'light grade' galvanized, with all fitting and fixed complete to walls/ poles or laid in trenches/ floors for cable protection complete all as specified and directed.

Design, fabricate, supply, installation, testing and commissioning in replacement of Indoor type cubicle panel board compartmentalized suitable for 3 phase 4 wire, 415 Volts, 50 Hz, AC supply system as per latest IS / IEC standards & regulations, factory fabricated in an approved factory having modern fabrication facilities, made out of CRCA sheet steel of 2mm thick for outer shell inner shell with front and rear openable double leaf doors with two point locking arrangement i.e. locking system with handle up & down arrangement & pad-locking facility. Complete panel board shall be applied with power coat painting of approved shade duly pretreated with seven tank process and suitable packing material for IP-54 degree of protection and including provision of 50mmx50mmx6mm angle iron base frame of suitable size for floor mounting the panel board with a minimum ground clearance of 300mm above FFL to the bottom of panel including PCC foundation with PCC 1:3:6, type C2 using 40mm graded stone aggregate. Detachable gland plates including double compression stainless steel cable glands of suitable size shall be provided for all incoming and outgoing cables. Steel plate Danger Notice Boards (01 No) LT 415/440 Volts, and manufacturer's name plate shall be riveted on external doors of feeder pillar box. The size of panel board shall suitable for accommodating and including provision of following switchgear, control gear and accessories including internal wiring with suitable gauge of copper cables complete including taking down of existing unserviceable LT panel of any description complete all as specified and directed. :- Note: The Contractor shall submit set of drawings of the L.T panel and its components in duplicate and get the same approved from GE before commencement of production. The contractor shall furnish all details and clarifications required if any for scrutiny and evaluation. Manufacture of material to be supplied shall be done strictly as per approved drawing. However, approval of drawing shall not absolve the contractor/supplier of his liability for ensuring correctness according to applicable standards & regulations.

(iii) Outgoing:- (a) MCCB, 100 A, 3 Pole, 25 KA (Ics=100%Icu), 415 V, 50 Hz, with adjustable thermal - magnetic release - 02 Nos (b) Star delta starter suitable for 25 HP electric motor complete with essential motor protections against Overload, Single phasing, Phase sequence reversal, Abnormality in supply, Unbalanced current, Thermistor protection through PTC, Excess start time setting, complete all as specified and directed. - 02 Nos

M&L for earthing complete with galvanized iron earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connecting to GI strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth wire protected by 50mm dia GI pipe medium grade and connected to pole structure/ panel board/earthing test point all as shown in electrical plate No. 3 of SSR Part-I (2009) and testing on completion complete all as specified and directed. Note :- The unit rate quoted shall also include for excavation, earth work in any type of soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bras @ 150mm C/C both ways, GI funnel with watering pipe, wire mesh, protection pipe, earth strip up to 7.50m long complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub heading earthing, specified in SSR Part II

ROHIT ENTERPRISES

M/S J J ENTERPRISES