PROVISION OF STAND BY POWER SUPPLY FOR AC PLANT OF SHED NO 22 (GURTH) AND CERTAIN E/M MINOR WORKS AT AFS AMLA

Amount

Supply, Installing, commissioning and testing static Silent Diesel Engine driven generating set capable of delivering 125 KVA/ 100 KW, 415 volts (AC 3 phase, 4 wire system of supply), 50 Hz power complete with relay panel for automatic starting on mains failure, control panel (AMF) having meters, sound proof canopy and including PCC foundation as per manufacturer recommendation. 300mm of thick PCC (1:2:4, M-20 grade) foundation height should be above the ground level. The length and breadth of foundation should be at least 250mm more on all sides than the size of enclosure. The DG set shall consist of a diesel engine coupled directly to a matching alternator, and mounted on Dunlop metallastic foundation pads on a common base frame and thereafter installed in the CPCB approved acoustic enclosure complete with control panel standardized by manufacturer, fuel tank with mounting arrangement and inlet, outlet, return oil arrangement, exhaust pipe etc., confirming to condition under IS 10002, 13364 Part I 1992, BS 5514/5000 complete all as specified and shall comprise of the following :- (a) Engine (Prime mover) : Diesel engine 1500 RPM, of suitable HP as recommended by manufacturer, water cooled conform to IS-10000, overload capacity of 10% for one hour in every 12 hours of continuous run,12 volts electric battery start, complete with fly wheel and torsional vibration damper, radiator and all standard fittings/fixtures as per standard manufacturing practices and battery charging ammeter and fuses, and also including self starter (12V), battery charging alternator complete.

(b) Alternator : AC alternator, brushless, 415V AC 50 Hz, 3 phase, 4 wire type, rated for continuous output of 125 KVA/100 KW, PF 0.8 1500 RPM insulation class 'H' enclosure SPDP (IP 22/23), self excited & self regulated with AVR for + 1% voltage regulation, conform to IS-4722, overload capacity of 10% for one hour in every 12 hours of continuous run, coupled directly/suitably to and to match the above engine. (c) Dunlop Metallastic anti-vibration pads for mounting engine - alternator assembly on the base frame/plate. (d) Base Plate : Made out of structural steel as per manufacturer's recommended design/specifications.

(e) Enclosure :- Provision of an integral type, approved/certified acoustic enclosure as per CPCB-II complaint, for the DG set to restrict the noise level to 75 dbA at one metre and ensure that temperature rise within the canopy shall not exceed 5-7 degree celsius. It shall be made of 16 SWG CRCA MS sheet with powder-coated finish on outside and provided with non ingniting fire retardant foam as acoustic material. There shall be four hinged doors out of which one shall be with glass window. The base frame shall be of ISMC. It shall also include the following :- (i) Silencer : Absorption type, non resistance, residential. (ii) Internal wiring with PVC copper conductor cables, IS 694 marked, FRLS in conduit and flourscent lamp fittings. (iii) Fuel Tank of minimum 8 hours capacity, made of 14 SWG CRCA MS sheet duly powder coated and provided with float, guage and fuel float switch. (iv) safeties for high enclosure temperature and emergency shut down from outside. (f) Battery 12V of suitable AH and adequate size of copper conductor positive & negative with copper terminals complete.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying cables, pipes etc and getting out in hard/ dense soil all as specified and as directed.

Excavating in post hols each n.exc 0.5 cum getting out in hard/ dense soil, returning filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm watering, and removing surplus spoil to a distance n. exc 50m and making good surface all as directed.

Supply and spread river washed sand free from foreign material in trenches for UG cable cushioning including necessary consolidation as required complete all as specified and directed. Note:- For payment purpose only punned thickness of sand will be measured and paid.

Supplying and laying un-reinforced precast concrete cable cover, class LV, type 1, flat of size 250mm x 150mm x 40mm all as specified and directed.

Returning, filling in trenches in hard/dense soil in layers n.exc. 25 cm after laying of cables including spreading, levelling, and well ramming complete all as specified and directed.

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

Material and labour for plain cement concrete 1: 4: 8 type D-2 using 40 mm graded stone aggregate as in foundations, filling and mass- concrete, complete all as specified & directed.

Supply and spreading 40mm size graded stone aggregate not exceeding 20 cm thick all as specified and directed.

Material and labour for brick work with fly ash bricks (old size bricks), straight or curved on plan exceeding 6 metre mean radius, built in cement mortar 1:6 and external face of brick work pointed flush in the same mortar, as the work proceeds, complete all as specified.

Supply and fix mild steel Hand rails, half round or other stock section and countersunk for balusters running bars, for doors, balusters, nosing to steps including embedding in concrete and screwing etc. wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply and fix of mild steel screw bolts (Machine Made) with hexagonal or square heads at one end and screwed the other, to be fitted with washers and one hexagonal or square nut; length of bolt not exceeding 5 cm but with diametre of neck 11 to 15 mm complete all as specified and directed.

Supply and fix Mild steel round bars, Gd.I, IS-432 (Part I) of size 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

Mild steel framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing conforming to Fe.290 (Gde E-165) complete all as specified and directed.

Supply only chain link mild steel galvanised fencing, any size or type all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire all as specified and directed.

Supply and fix Pre- painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self-tapping screws all as specified and directed.

Material and labour for rendering 15 mm thick Cement Mortar 1:6 over brick or concrete wall surfaces finished even & smooth without using extra cement complete all as specified and directed.

Material and labour for two coats of aluminium paint over a coat red oxide primer on new or untreated steel surfaces of any description over 10cm width or girth including necesssary preparation of surfaces complete all as specified and directed.

Material and labour for two coats of synthetic enamel paint over a coat red oxide primer on new or untreated steel surfaces of any description over 10cm width or girth including necesssary preparation of surfaces complete all as specified and directed.

Material and labour for Galvanised steel tubing, light grade laid in trenches/ fixed to poles, walls etc as a protection for service cable including removing existing old unserviceable rusted pipe complete all as specified and directed for the following size of pipe:-

50mm dia bore

80mm dia bore

Supply lay & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 1100 volts grade, laid in trenches/passing through pipe/duct or fixed to wall/pole etc., and connecting up complete all as specified and directed for the following size of cable:-

4 core, 25 Sq. mm

3.5 Core, 35 Sq. mm

3.5 Core, 150 Sq. mm Notes for Item No 23.01 to 23.03:- (i) The minor parts such as clamps, screw etc.,, required for fixing cables on wall, panel etc., shall be provided by the contractor at his own cost which is deemed to be included in the contractor quoted rate. (ii) Earth work excavation, returning filling and disposal, protection pipe & joint kit shall be measured & paid separately under respective items.

Material and labour for plate earthing with galvanised mild steel plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground vertically (in earth pit not less than 2.25 m below normal ground level) with the top edge of the earth plate at a depth not less than 1.5 m below normal ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides and including GI earth strip 32 x 6 mm bolted (with GI nuts, bolts & check nuts) and riveted to earth plate at one end and connected to metallic bodies of HT/LT equipment’s etc at the other end including 32 mm GI light grade pipe with all fittings from top of electrode to body of equipment fixed with iron clamps, bolts, nuts and washer and also including providing watering pipe 20mm bore GI pipe medium grade from bottom of earth pit to top of electrode complete with earth pit in PCC 1:2:4 type B-2 using 12 mm graded crushed stone aggregate and RCC cover complete all specified and shown in electrical plate No 3 of SSR Part-1 including testing earth resistance and submitting test report to AGE E/M by the contractor complete all as specified & directed. Note :- (i) Earthing resistance required in earthing shall less than 5.0 Ohms after completion of work. All earthing shall be tested by the contractor in presence of Engr-in-Charge. Test result shall be recorded and signed by the contractor and Engr – in- Charge. If contractor fail to achieve the above result the same shall be rectified by the contractor without any extra cost to Govt. The earthing result will be required maintaining up to end of defect liability period of one year and if any variation found in earthing result during defect liability period same will be intimated to the contractor by Engg-in-Charge and contractor shall rectify the same. The quoted rates shall be deemed to include for above said provision. (ii) Quoted rates shall be deemed to be included for earth strip with protection pipe up to 7.5 length.

Material and labour for plate earthing with copper plate electrode 60 cm x 60 cm x 3.15 mm thick buried directly in ground vertically (in earth pit not less than 2.25 m below normal ground level) with the top edge of the earth plate at a depth not less than 1.5 m below normal ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides and including copper strip 20 x 3 mm bolted (with GI nuts, bolts & check nuts) and riveted to earth plate at one end and connected to metallic bodies of HT/LT equipment’s etc at the other end including 32 mm GI light grade pipe with all fittings from top of electrode to body of equipment fixed with iron clamps, bolts, nuts and washer and also including providing watering pipe 20mm bore GI pipe medium grade from bottom of earth pit to top of electrode complete with earth pit in PCC 1:2:4 type B-2 using 12 mm graded crushed stone aggregate and RCC cover complete all specified and shown in electrical plate No 3 of SSR Part-1 including testing earth resistance and submitting test report to AGE E/M by the contractor complete all as specified & directed. Note :- (i) Earthing resistance required in earthing shall less than 5.0 Ohms after completion of work. All earthing shall be tested by the contractor in presence of Engr-in-Charge. Test result shall be recorded and signed by the contractor and Engr – in- Charge. If contractor fail to achieve the above result the same shall be rectified by the contractor without any extra cost to Govt. The earthing result will be required maintaining up to end of defect liability period of one year and if any variation found in earthing result during defect liability period same will be intimated to the contractor by Engg-in-Charge and contractor shall rectify the same. The quoted rates shall be deemed to include for above said provision. (ii) Quoted rates shall be deemed to be included for earth strip with protection pipe up to 7.5 length.

Supply & fixing 32mm X 6mm galvanised iron strip earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required including taking out old one complete all as specified and directed.

Supply & fixing 20mm X 3mm copper strip earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required including taking out old one complete all as specified and directed.

Supply and fix sub main wiring with two runs of single core PVC FRLS insulated unsheathed 1100 volts grade multistranded copper conductor cable of size 6.00 sqmm and one run of single core PVC FRLS insulated unsheathed 1100 volts grade multistranded copper conductor cable of size 2.50 Sq.mm as earth continuity wire drawn in non-metallic PVC rigid conduit of 20mm dia complete and including making good to the disturbed surface all as specified and directed. Note:- 2 runs of 6 sqmm cable, 1 run of 20mm PVC conduit and 1 run of earth cable 2.5 sqmm shall be measured as one unit only.

Supply and fix in repair changeover switch ON LOAD rating 125 Amp, 415 Volts, 04 pole including SS enclosure, conforms to IEC 60947-3, IS/IEC 60947-3 complete all as specified & directed.

Supplying, Installing, commissioning and testing Isolation Transformer, indoor type, Air Cooled, single phase, 220 Volts with the following specification: - Capacity : 2 KVA (Single Phase) Input : 220V AC Output : 220V AC Winding : Copper Insulation : Class F Ambient Temperature : 50 Degrees DI Electric Strength : 2.5 KV for 2 min Isolation Resistance : > 1000 Mega Ohms Ratio : 1:1 Degree of Protection : IP 31 Construction Standards : As per IS: 2026 Part 1 & 11 Enclosure : MS enclosure with suitable terminations.

Supplying, Installing, commissioning and testing Isolation Transformer, indoor type, Air Cooled, single phase, 220 Volts with the following specification: - Capacity : 5 KVA (Single Phase) Input : 220V AC Output : 220V AC Winding : Copper Insulation : Class F Ambient Temperature : 50 Degrees DI Electric Strength : 2.5 KV for 2 min Isolation Resistance : > 1000 Mega Ohms Ratio : 1:1 Degree of Protection : IP 31 Construction Standards : As per IS: 2026 Part 1 & 11 Enclosure : MS enclosure with suitable terminations.

Vee kay construction

M/s Vinod Yadav