REPAIRS, MAINT OF VOLTAGE STABILIZERS AND ALLIED ITEMS AT AF STN NALIYA UNDER GE (AF) NALIYA

Amount

Dehydration/ Filtration of stabilizer oil of existing voltage stabilizers of 30 KVA to 300 KVA installed at various locations, with portable plant to improve the dielectric strength 40 to 60 KV during filling of oil after filtration including testing of dielectric strength after dehydration at site complete all as specified and directed. Note: Contractor shall produce the oil tests showing oil test results before and after filtration complete all as specified and directed.

Supply and filling of oil in voltage stabilizer/transformer at site for topping up the level of oil having dielectric strength 40-60 KV after filtration complete all as specified and directed.

Supply and fix in repair electronic control circuit board for servo voltage stabilizer (PCBs) suitable for stabilizer of capacity up to 200 KVA complete all as specified and directed.

Supply and fix in repair servo motor for servo operation of capacity 3 to 10 Kg torque as per site requirement suitable for voltage stabilizer of capacity up to 300 KVA complete all as specified and directed.

Supply and fix in repairs drive assembly suitable for servo motors of voltage stabilizer upto 200KVA complete all as specified and directed.

Supply and fix in repair Trigger/Control transformer of suitable capacity for servo voltage stabilizer complete all as specified and as directed.

Supply and fix in repair dimmer of suitable capacity for servo voltage stabilizer of capacity up to 200KVA complete all as specified and as directed.

Supply and fix in repairs/replacement of LED indicator lamps of suitable capacity complete all as specified and directed.

Labour and transporting charge for carrying unserviceable voltage stabliser/ air compressor/ UPS control panel of any capacity by disconnecting electrical connections and carrying to local workshop for repair/ rewinding complete all as specified and directed. Note :- (i) The cost of transporting veh, loading/unloading of plant is deemed to be incl in unit rate. (ii) The cost of winding will be measured and paid under relevant item.

Labour for opening of servo voltage stabilizer of any capacity at workshop or at sub station after disconnecting electric and earth connection, drain out oil and kept in closed container for reuse, removing of top cover of stabilizer, cleaning of spare parts and washed down with the help of spray of clean oil and reassembling the stabilizer after replacement of unserviceable parts refilling of oil after checking dielectric strength and connecting electric connections and testing complete all as specified and directed. Note:- If oil of stabilizer found less than required quantity the same shall be filled with new oil and will be measured and paid separately under relevant items.

Material and labour for rewinding old/burnt out coils by super enameled copper winding wire of appropriate size of super quality (as per existing material & size of voltage stabilizer coils and reciprocating motor) including, insulating, varnishing, heating, and reassembling coils in position, etc for 315 KVA voltage stabilizer or motor complete all as specified and directed.

Supply and fix in repair top cover gasket made up of 5 mm thick cork sheet complete all as specified and directed.

Supply and fix in repairs drain gun metal gate valve 25mm dia as suitable for drain out oil from voltage stabilizer complete all as specified and directed.

Material and labour for preparing old painted surface of voltage stabilizer outer surface/LT Panel board/Air compressor of any size and capacity by thoroughly cleaning the surfaces to remove dirt, dust, rust flakes and paint flakes, using wire brush or sand papers, damp cloth or as directed. Priming the surface with anti corrosive primers using suitable sprayers. Applying automotive paint using sprayers till glossy finish is obtained complete all as specified and directed.

Material and labour for servicing air compressor by cleaning all external parts, disconnecting electric connection greasing all moving parts checking electric connection checking serviceability and reconnecting cable connection complete all as specified and directed.

Supply and fix in replacement DOL starter 7 to 10 HP as suitable at site and testing complete all as specified and directed.

Supply and fix in replacement Power contactor (TC1DXE254) of 25 amps, 4 pole, suitable for DOL starter upto 10 HP including proper connection of wires, testing complete all as specified and directed.

Supply and fix in replacement Thermal overload relay having range 14-23 amps, 4 pole, suitable for DOL starter upto 10 HP including proper connection of wires, testing complete all as specified and directed.

Material and labour for repair/replacement of air pressure gauge as per existing pattern complete all as specified and directed.

Supply and fix in replacement of Parameter Setting single control circuit board (Microrev1.3N type) suitable for 50 KVA servo voltage stabilizer 415V, 3 phase as per site requirement complete all as specified and directed.

Labour charges for inspecting of Voltage stabliser/UPS control panel/Air compressor by authorised person of OEM for maintenance and thoroughly checking all internal circuit wiring, If any minor part costing upto Rs 500/- will be changed by contractor and major part/spares shall be measures and paid separately. Note:- Any part costing beyond Rs 500/- required for repair will be measured and paid under relevent item

Shifting of Voltage stabilizer/LT Panel from one place to another place by disconnecting its all electrical connections transporting though their own veh and loading unloading etc complete all as specified and directed. Note :- The cost of the transporting veh and crane is deemed to be included in unit rate.

Material and labour for welding work for weld the hinges of panel door, MS sheet 3mm thick inclding 02 Nos hinges and piece of 3mm thick sheet not more that 0.25 Sqm area of sheet complete all as specified and directed.

Supply fabricate, testing and commissioning of factory made LT outdoor distribution panel board single door of size 800mm x 800mm x 400mm including locking arrangement cubical type dust and virmin proof, weather proof, aesthetical designed, IP54 degree of ingress protection, fabricated with 3mm thick CRCA sheet with front and rear opening including 4 strips of copper bus bar of 400 Amps current carrying capacity insulated with colour sleeves, porcelain/epoxy insulators 1100V, rail channel, cable entry, danger notice plate of 1100 Volt, angle iron frame of size 50x50x6mm and 60cm grouted in ground and 60cm above GL including necessary excavation, foundation, PCC etc. complete duly powder coated of approved colour complete all as specified and directed.

Supply, jointing and testing indoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm, extra terminal length as required on ground complete all as specified and directed.

Supply, jointing and testing outdoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm, extra terminal length as required on ground complete all as specified and directed.

Supply, jointing and testing of cable joint kit of 11 KV grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armored Aluminum conductor of size 95 sqmm, complete all as specified and directed.

Material and labour for tracing out HT cable fault through HT fault locator machine by HT expert and testing of HT cable through megger and repair the same. Note:- (i) The cost of the earth work, equipment and person required for locating fault is inclusive in unit rate (ii) Joint of cable will be measured separately under relevant item.

Re-laying of old serviceable cable of any size after repair/jointing work at same location or another. Note:- Excavation earthwork, cable covers, sand cushioning and GI protection pipe shall be measured and paid separately under relevant item.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in soft/ loose soil, for laying of under ground electric cable, pipes etc all as directed and specified. Note: (i) Authorised width & depth shall only be excavated, measured and paid as specified in clause 3.2.3 of SSR part II and 19.74.1 of SSR part I for cable/pipe laying portion. (ii) Serviceable PCC /RCC cable cover obtained during excavation shall be stacked separately carefully without any extra cost to the Deptt.

Material and labour for river bed sand filling in trenches/ ducts 15 cm above cable and 8 cm under the cable for cushioning/protection to cable including spreading, leveling and get thick 18cm after hand punning or for sand cushioning to interlocking tiles/paver blocks as in flooring thick upto 25 mm complete all as specified and directed.

Laying only serviceable un-reinforced precast concrete cable cover class LV, Type 1, flat, of 250 mm x 150 mm x 40 mm obtained from trenches, abetting each other with gap between adjacent slab not exceeding 10 mm over under cable for protection complete all as specified and directed.

Supply & laying un-reinforced precast concrete cable cover, class LV, Type 1, flat, size 250 mm x 150 mm x 40 mm abetting each other with gap between adjacent slab not exceeding 10mm over under cable for protection complete all as specified and directed.

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

Removing excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.50 meter above the starting point complete all as specified and directed.

Supply and laying GI water tubing of 100 mm bore, light grade, IS-1239 marked with all fittings IS marked and laid in trenches/under roads/in drains with suitable size flat iron/GI clamps, bolts, nuts and washers etc for cable protection, complete all as specified.

Supply and laying GI water tubing of 80 mm bore, light grade, IS-1239 marked with all fittings IS marked and laid in trenches/under roads/in drains with suitable size flat iron/GI clamps, bolts, nuts and washers etc for cable protection, complete all as specified.

Material and labour for maintenance of ACB 11 KV, 400/ 630 /1200 Amps by removal of ACB trolley, cleaning of all copper male and female contact, tightening of all connections, checking of all auxiliary contacts, control wiring, servicing of relays, relay setting etc, refixing the ACB trolley to its original position including proper setting of manual/ auto motorize operation of ACB, checking/setting of tripping system, etc complete all as specified and directed. Note:- Maintenance to be carried out by authorised person and test certificate shall be furnished

Material and labour for earthing complete with copper earth plate electrode 600mmx600mmx3.15mm thick, thick buried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with top edge of the plate not less than 1.50 mtr below normal GL and connected to earth plate . Earth plate surrounded by 15 cm thick packed layers of charcoal dust and common salt all around the earth plate and connected to earth lead of copper strip 20x3 mm by means of bolts, nuts, check nuts and washers of GI or steel and thimbles and other end of the earth wire connected to DB and protected by 50mm dia galvanized iron or steel pipe light grade and 20mm dia water pipe GI medium grade with funnel and wire mesh, including all necessary excavation and earth work PCC chamber in cement concrete 1:3:6 type C-2 and RCC cover and all as shown in electrical plate No 3 of MES schedule Pt I of 2009 and also including making test point for testing of earthing made out of gun metal or phosphorous bronze size 75x75x25 mm complete for DB and Industrial socket. Note :- (i) Charcoal dust and common salt shall be filled in layers of 15 centimeters all around the earth plate. (ii) Copper strip will be laid connected to test point through plinth protection necessary cost of repair to plinth protection and brazing and welding deemed to be included in the item copper strip beyond 7.5 RM will be measured and paid separately).On completion the earth resistance test to be carried out. If desired value of resistance not obtained, the earthing will be re-done at no extra cost.

Supply and fix in repair aluminium sector Lugs long barrel of size 25 sq mm by crimping,fastning bolts/washers, insulating with tape (proper insulation grade) for exposed end portion of LT/HT UG cables complete all as specified and directed.

All as per serial item number 42.00 here-in before but of size 35 sq mm.

All as per serial item number 42.00 here-in before but of size 50 sq mm.

All as per serial item number 42.00 here-in before but of size 70 sq mm.

All as per serial item number 42.00 here-in before but of size 95 sq mm.

All as per serial item number 42.00 here-in before but of size 120 sq mm.

All as per serial item number 42.00 here-in before but of size 150 sq mm.

All as per serial item number 42.00 here-in before but of size 185 sq mm.

All as per serial item number 42.00 here-in before but of size 240 sq mm.

All as per serial item number 42.00 here-in before but of size 300 sq mm.

Demolition of Stone slabs and tiles of any description or thickness as in floors, aprons etc. laid dry and pointed after collecting/stacking reusable broken stone aggregates iside installation premisis and disposing of rubbish off the E/M installations premises complete all as specified and as directed.

Material and labour for soling (or sub base) with broken boulders or quarried stone, inter stices filled, surface formed and rolled and consolidated to required gradient and camber of spread thickness of 100mm complete all as specified and directed.

Material and labour for 75 mm thick PCC 1:4:8, type D2, (using 40 mm graded aggregate) as in sub base of flooring complete all as specified and directed.

Material and labour for PCC 1:2:4, type B1, (using 20 mm graded aggregate) as in floor kerbs,PCC bands rounded or chamfered on edges complete all as specified and directed.

Material and labour for machine pressed precast concrete interlocking paver block with grey cement & pigment any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade over sand cushioning all as specified and directed. Note : Sand cushioning shall be measured and paid separately under relevant item of schedule.

NILESH SUBHASH KARALE (BID ID -3202550)

NAVIN K LAKHANI (BID ID -3202759)