PROVN OF STANDBY DG SET 82.5 KVA AND ALL CONNECTED CABLES ALONG WITH SHED AT AREA III OF SAMBA UNDER GE SAMBA

Supply, Installation, Commissioning and testing of ECO friendly silent diesel engine driven water cooled generating set of capacity 82.5 KVA, 415 volts, AC supply, 50 Hz, 3 phase, 4 wire, 0.8 PF at NTP, speed 1500 RPM mounted on common base plate with flexible coupling and meeting the requirements of IS-4722/BIS, IS 13364 specification with CPCB IV+ approved accoustic enclosures fabricated out of CRCA sheet 2mm thick and structural sheet metal base frame. Sound proofing of enclosure is done with high quality foam conforming to IS 8183 of 25mm thickness and density 30 Kg/ mª complete including PCC foundation is all respect complete as per manufacturer recommendations with following specifications:- (a) DIESEL ENGINE: Water cooled diesel engine of adequate capacity at 1500 RPM generally in accordance with latest BIS/ IS specification provided with blower fan, 12 volts self starting including maintenance free battery of suitable capacity, charging dynamo/ alternator, air cleaner, diesel/ oil filters complete in all respect. The engine shall be capable of taking 10% overload for one hour for every 12 hours of running conforming to the environment (protection act 1986) (29 of 1986) and as amended vide Gazette of India Notifications Part-Il Section-III sub Section (I) dated 12 Jul 2004. (b) ENGINE INSTRUCTIONS PANEL: All relevant information shall be displayed on a complete panel for easy monitoring of lubricant, oil pressure, battery charging, ammeter, hours meter, starting switch etc. (c) FUEL TANK: In built fuel tank of adequate capacity with stop cock, drain plug and necessary fuel pipe complete as per manufacturer recommendations. (d) ALTERNATOR: 58.5 KVA at NTP, 3 phase, 50 Hz, 415 volts, AC supply, 0.8 PF at 1500 RPM, this shall be self excited screen protected and drip proof type bruchless, conforming to relevant IS/ BIS code as per latest manufacturing schedule.

M&L for Earthing complete with galvanized steel earth plate electrode 600mmx 600mm and 6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level with top edge of plate not less than 1.5m below normal ground level, connecting to the Gl earth Strip 32mm x 6mm size by means of bolts, nuts, check nuts and protected by provision of Gl medium grade pipe of 40 mm bore including provision of 40mm thick cover of RCC (1:2:4) reinforced with XPM (wt no lesss than 4kg/sqm) and frame of angle iron 40mmx40mmx6mm with 6mm dia MS bar handle made to shape, GI light grade 20mm Dia pipe for watering of suitable length placed on top edge of earth plate, common salt and charcol filling, with fixing arrangement, funnel, wire mesh and excavation and earth work in any type of soil, returning filling in and removal of surplus soil to distance not exceeding 50m complete all as per plate no 03 of SSR 2009 Part-l and connecting to earth test point all as specified and directed by Engineer-in-Charge and including testing on completion. NOTES:- (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B, 80 mm thick, reinforcement with 8 mm TOR steel @ 100 c/c in lieu of Cl cover and the rate includes in the unit rate of item. (ii) Earth electrode shall be protected upto test point using necessary arrangement with suitable size GI pipe and the rate includes in the unit rate of item. (iii) Earth pit chamber and RCC cover shall be painted with red paint over a primer coat and the rate includes in the unit rate of item. (iv) Earth filling shall be done by vegetable soil. (v) Soil shall be free from stone boulders, aggregate & gravels.

Supply, laying & testing XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) with stranded aluminium conductor 1100 volts grade with aluminium conductor of size 95 sqmm x 3.5 core, fixed to walls/ poles or passing through pipes with and including, cable gland lugs/ thimbles/ ferrules complete all as specified and as directed.

Excavation in trenches in any type of soil and n.exc 1.5 m wide and n.exc 1.5 m in depth for ,laying under ground electric cable and GI tubing (where provided for protection of cables), stay and getting out, trimming the sides, forming bottom surface to required level in any type of soil complete all specified and directed.

Returning, filling in, any type of soil including spreading, leveling, watering and well ramming in layers n.exc 250mm thick, in any tupe of soil complete all as specified and directed.

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

M&L for sand cushioning for under ground cable with layer of fine river dry sand 80 mm thick before laying of cable and 150mm thick after laying of cable in trenches complete all as specified and directed. Note:- Punned (consolidated) thickness of sand will be measured and paid.

Material and labour for cable protection with sub class ‘B’ bricks old size, laid dry, flat over sand cushining of cable, perpendicular across the cable in trenches complete all as specified and as directed.

Supply and fixing of rolled mild steel in Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats, etc. complete all as specified and directed.