|
| 1 | (Providing horizontal spindle,horizontal/redial split casing/end suction(Back-pull out arrangements) single/double/multi stage centrifugal pump or combination of pumps, In series/parallel of recommended make such as Mather and Platt/KSB/ Beacon Weir/Kirlosker/BE/Jyoti as per BIS 1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting water for under mentioned characterestics with bronze,impellers/priming funnels,casing ring and shaft sleeves of bronze,shaft of steel grade 4508 FN8 with cast iron casing coupled directly through a flexible coupling on a common MS Base plate induction motor type TEFC IE 2 of standard make such as Kirlosker/BHEL /Crompton /NGEF /GEC/Siemens/Jyoti /ABB and suitable for operation on 400(+/-)10% volts,50 cycles /second.3 phase AC electric supply. The power of electric motor/motors should be at +10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-)15% of the duty poiint head. The motor/motors as per ISI:12615/2018 with upto date ammendments read with IS 900:1972. It should include cost of bearing nuts , bolts and painting etc. and should meet the following requirements:.Discharge (Q) 53.20 M3/hour Total Dynamic head:- 375.81 meter LWL in Sump Well (h) 1048.00 meter Shaft Level 1045.00 meter Level at Discharge Point 1423.00 meter Suction lift -ve Discharge head 375.00 meter Static Head 375.00 meter Rising Main Length 1180 meter dia 150mm Pumping Hours 8 hrs Altitude of installation aboe MSL 1048 meter Charcterstics of water clear water with turbidity upto 50 PPM Temperature 25 degree centigrade. |
| 2 | SProviding ICTP main switch with HRC fuses of Kilburn/ L&T/Siemens/Standard/ Havells make and having capacity 30% extra of the operational rating as per IS: 4064-1978 with up to date amendments , immediately after the power meter of the HPSEBL. |
| 3 | Providing MS sheet steel fabricated floor mounted closed(almirah type) switch board including angle iron post of suitable height and size ISA 40x4r0x6 duly painted with steel sheet of 16 gauge comprising and capable of mounting the following accessories within all internal connections. All the accessories should be suitable for the proposed pumping machinery at item No.1 above and to the entire satisfaction of HPSEB authorities. The same shall have to be replaced with out extra cost if recommended by HPSEB authorities |
| 4 | a) OCB/MCCB of MEI/Havels/ standard make and of suitable capacity for offered motor on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage released as per relevent IS code with upto date ammendments |
| 5 | b) Earth leakage circuit breaker of recommended make Chief Electrical Inspector approved with upto date ammendments of suitable range which should have control box, operation, handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the ciruit breaking for cover current protection. The circuit should be equipped with magnet thermal release with metallic tap etc, it should also be fitted with earth fault for tripping of breaker on occurnce of earth fault on off breaker load side end. |
| 6 | c) The voltage monitor relay of AE/MEI/L&T / Havells make three phase with all protection and usual indicator and electric siren against single phasing,low voltage,high voltage, reverse phasing, over loading and phase voltage difference as per IS:3482(latest edition) |
| 7 | d) Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and suitable for inducted current, one copper bar of half the rating of full length for neutral phase as per IS 8084-1976 and IS:11353-1985 read with BIS 5578-1985 with upto date ammendments |
| 8 | e) ICTP switches with HRC fuses unit of Kilbur/L&T/siemens/stands/Havells make and of suitable capacity as per IS:4064:1978 with upto date ammendments |
| 9 | f) Three phase indicator lamps complete with toggle switches for individual motors as per IS:3452:(P-I & II) with upto date ammendments |
| 10 | g) Digital 100mm dia Square dial A.C.supply VAF meter of AE/IMP/Havells make of suitable range with selector switches and CTS operated as per IS:L1248(P-II) .183 with upto date ammendments |
| 11 | h) Capacitor of Havells /L&T/ Siemens make as per 15:2834:1986 with upto date ammendments , to raise the power factor at site to 0.95 for direct connections to induction motor individually of required KVA rting according to H.P.offered including cables as per relevant ISI code (of siemens/clocter.IEC make )from bus bar chamber to capacitor and also including ICTP switches of appropriate range as per Is:4064:1978 with upto date ammendments |
| 12 | i) Providing suitable oil immersed starter delta/direct on line/auto transformer/. starter rotor starter of MEI/.Kilburn/Jyoti /L&T/Siemens make as per IS:8544:1979 with upto date ammendments for squirrel cage/slip ring motor mounted on panel board with magnetic type over-load release and dashpot, time lag, under voltage release with or without initial oil filling as the case may be with single phae preventor as per IS:1248( P-V) 1983 with upto date ammendments |
| 13 | j) Providng Digital hour run meter of recommended make and suitable capacity as per IS:722(latest edition.) |
| 14 | Providing double flanged CI sluice valve PN 1 of Leader/BHEL/Kirlosker/GLEd/Kilburn Fourses / Kartar make and of dia one size higher than suction pipe and cpable of withstanding the normal seat pressure as per IS:780:1984 with upto date ammendments |
| 15 | Providng double flanged cast steel sluice valves ASA-300 of leader/BHEL Kirlosker/Kilburn GLED/fourses make and one step higher then delivery line of pump and capable of withstanding the normal seat pressure and as per BIS standards with upto date ammdnements5 |
| 16 | Providing double flanged swing type cast steel valve, ASA-300 of Leader/BHEL/ Kirlosker/Kilburn /GLEd/Fourses make and having bye pass arrangements of one step higher then delivery line of pump and capable of withstanding normal seat pressure as per BIS standards with upto date amnmendments)6 |
| 17 | Providing double flanged cast steel reflux valves class ASA-300 of Leader/BHEL/KILROSKER/Kartar/KILBURN/GLED/FOURSES make and of 150 mm dia having bye pass arrangements for rising main and capable of withstanding normal seat pressure as per BIS standards with upto date ammendments. |
| 18 | Providing 100mm dia circular dial analog pressure gauge of suitable range of Fiebig /Bourden/ PREGA/precision make complete with all accessories such as stop cock, copper tubing etc.as per IS: 3624-1987 with upto date ammendments. |
| 19 | Installation of all the items apparing as per the systematic drawing . |
| 20 | Providing and fixing double flanged MS/GI piping work (Layout to be approved by the Engineer in charge) for suction and delivery pipes suitable to pump(s) offered and common header as per the R/Main respectively complete with all specials such as bends, tees, reducers. Increasers with companions flanges matching with the relevant specifications of the accessories including rubber/asbestos gasket of minimum 3mm thckness as per IS:2712:1979 and required number of nuts and bolts as per Is:1364:1983, The Pipes fittings and joints shall be as per relevant IS code & to withstand 1.5 times total head stipulated under item No.12. The size of the various components to be as under:a) Suction pipe : One dia higher then the suction of pump offered and suitable to keep the velocity of flow from 1 to 1.5M/second in the suction pipe |
| 21 | b) Delivery pipe: One dia higher then the delivery of the pump offered and suitable to keep the velocity of flow from 1.5 to 2M/second in the delivery pipe |
| 22 | c) Common header : One dia higher then delivery of pump x 150 mm dia and will extend upto 5 meters from the outer wall of the pump house in the direction to be jointed. |
| 23 | Providing and laying copper PVC insulated arsoured power cable (One cable carrying all the three phases) of suitable size and capacity to motors and all other electircal equipments as per IS:1554(P-I) 1988 or latest ith upto date ammendments of Havells/ Finolex/ KEI/ KSB/ L&T/ Polycab make including all other accessories such as thinbles, flexible pipes,solders,nuts and bolts cable glands etc. laid in pipes or trenches under floor.(a) Motor side (From switch to starter and starter to motor) |
| 24 | (b) Supply side (From Meter of HPSEB to bus bar and switch) |
| 25 | Providing and fixing double loop earthing with GI plate 600mmx600x3mm thick electrode complete with material such thimbles nuts and charcoal and common salt, 25mmx5mm GI strips as per IS:3043:1987 with upto date ammendments for motors and other electrical equipments and digging of pits etc. complete in all respect. Errection of all equipments from S.No. 1 to 4, 6 & 8 i/c cost of tees, bends tapers & any other fittings required as per site conditions & as per directions of Engineer-in-Charge. Please Enable Macros to View BoQ information |
