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| 1 | Dismantling and removal of double flange following size butterfly valve with required tools and tackles and stacking it in departmental store at Curti. |
| 2 | a)150mm dia |
| 3 | b) 300mm dia |
| 4 | c)450mm dia |
| 5 | Supply installation, testing and commissioning of motorised actuator operated double flange Butterfly valves with quarter turn movement with following specification and size. Motor : 3phase, 415V, IP 67 protection, class F insulation, S2 duty Manual over ride : Handwheel with clutch mechanism open closed indicator (local and remote also). Valve : Double flanged, CI Body, Disk CI, shaft: ASTM A 240 SS 410, EPDM seat, PN 10 Make : Cair/ Rotork |
| 6 | a) 150mm dia (Actuator to be mounted on valve) |
| 7 | b) 300mm dia (Actuator to be mounted with extended shaft of approx 1 mtr) |
| 8 | c) 450mm dia (Actuator to be mounted with extended shaft of approx 1 mtr) |
| 9 | Design supply, installation, testing and commissioning of free standing control panel for valve actuators, with 14 SWG guage, openable from front with hinged door, incomer : 4 pole, MCB of suitable rating (considering actuator load of 2Nos of 150mm butterfly valve, 2 Nos of 300mm butterfly valve, 3Nos of 450mm butterfly valve and 1 no.of 500mm butterfly valve) phase indicators, Ammeter with selector switch and current transformer, voltmeter with selector switch. Outgoing feeders (8nos): Each consisting of forward reverse starters of suitable rating for actuators, with individual 3 pole MCB for power, control circuit MCB, indicators for open, closed, opening/closing, fault/trip operations, over load relay, required connectors, push buttons for open, stop, close commands etc. Make: Starter/Contactor:- L & T/Siemens |
| 10 | Supply of4 core unarmoured PVC/XLPE insulated, PVC sheathed copper conductor cable of 1.1 KV grade with ISI markconforming to IS:1554(Part I) ,IS:7098(Part I) with latest amendments of following size. |
| 11 | a) 4 Core 10 sq.mm |
| 12 | b) 4 Core 4 sq.mm |
| 13 | c) 4 Core 1.5 sq.mm |
| 14 | Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1 KV grade of size not exceeding 25 sq.mm on surface, etc.complete as required |
| 15 | Providing and fixing 4 mm dia copper wireon surface or in recess for loop arthing . as required |
| 16 | Earthing with GI earth plate 600 mm x 600 mm x 6 mm thickincluding accessories and providing masonry enclosure with CI/RCC cover having locking/Lifting arrangement and watering pipe etc. (but without charcoal or coke and salt) as required as per the Earthing Drawing provided by the Engineer-Incharge.The scope of work includes the following: a) Excavation ofpit of size 1.0x1.0x 3.0 mtrs(min) and disposal of excavated soil.c)Watering GI pipe, 20mm, Class B,with funnel as per specs. d)Charcoal/salt as per specs ( paid seperately). e) Refilling the pit of size 1.0x1.0x 3.0 mtrs(min) with soft black agriculture soil of minimum resistivity i/c transportation. e)Masonary chamber with proper foundation, cover plate and locking arrangement. f) Testing of earth value with earth megger and certifications of its value. Aluminium tag with embossed earthing value to be attached to the pipe.g)watering arrangement(plumbing will be paid seperately). |
| 17 | a) In soily strata |
| 18 | b) In rocky strata |
| 19 | Extra for using salt and charcoal for GI or copper plate earth electrode as required( 96 Kgs of Charcoal and 5 Kgs of Salt) |
| 20 | Supplying and laying 25 mm x 5 mm GI stripin 40 mm dia GI pipe fromearth electrode as required |
