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| 1 | Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standarad make such as KSB/ Mather & Platt/ Jyoti /Kirloskar/ Beaconweir /BS & BE (50HPx2 Set=100 HP) conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to handle clear water having characterstics as mentioned in item 1 (a) as under. with impelleres,casing ring, priming funnels & shaft sleeves of bronze, shaft of steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below. |
| 2 | Total Head= 330.00 mtrs |
| 3 | Capacity of each pump set= 5.30 LPS |
| 4 | Dia of R/Main |
| 5 | SITE CONDITIONS:- |
| 6 | Location of Site:- |
| 7 | The altitude of place in which the motor is intended to work in ordinary service (in metres) :- |
| 8 | Humidity:- |
| 9 | Nature of atmosphere:- |
| 10 | Detail of quality of water:- |
| 11 | Water free from sand or not :- |
| 12 | Water corosive or not :- |
| 13 | Turbidity (if any):- |
| 14 | NPSH available:- |
| 15 | Any other information or requirement:- |
| 16 | OPERATING CONDITIONS:- |
| 17 | Type of current:- |
| 18 | Operating frequency:- |
| 19 | Rated voltage:- |
| 20 | System of earthing if any to to be adopted.:- |
| 21 | No. of working hours per day:- |
| 22 | Speed of revolution in RPM:- |
| 23 | Direction of rotation:- |
| 24 | The max. Temp. of cooling air & water in the place in which the motor is intented to work in ordinary service. |
| 25 | MOTOR:- |
| 26 | Ref. to BIS code:- |
| 27 | Type of enclosure of motor:- |
| 28 | Type of duty:- |
| 29 | Mechanical out put in KW:- |
| 30 | Class of insulation:- |
| 31 | Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- |
| 32 | Particulars of test reqd. & where they are to be conducted:- |
| 33 | Particulars as to whether voltage limiting device will be employed:- |
| 34 | Motor whether squirrel cage or slipring:- |
| 35 | Details of shaft extension reqd.:- |
| 36 | Type of slip-ring gear whether continouly rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- |
| 37 | Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- |
| 38 | Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelrated & No.of starts during a specified period.:- |
| 39 | Where possible fault capacity of the system to which the motor is connected.:- |
| 40 | PUMP : |
| 41 | Nos of pumps reqd.:- |
| 42 | Spare parts required:- |
| 43 | Optional fittings reqd.:- |
| 44 | PUMP OPERATING CONDITIONS:- |
| 45 | Capacity (in LPS) =5.30 LPS |
| 46 | Total head (in Mts).:- =330.00 mtrs |
| 47 | If total head is not known then |
| 48 | following details be provided:- |
| 49 | i) Static head ( in mtrs) |
| 50 | ii) Minimum depth of water( in mtrs) |
| 51 | iii) Variation in water level ( in mtrs) |
| 52 | iv) Ground level to max. water level ( in mtrs) |
| 53 | v) Ground level to delivery point ( in mtrs) |
| 54 | vi) Pressure in the suction tank (in Kg/cm^2 ) |
| 55 | vii) Pressure in the delivery tank (in Kg/cm^2 ) |
| 56 | Length of R/Main (in metres):- 1200 Rmt |
| 57 | Dia of R/Main (in mm):- =80 Rmt |
| 58 | Drive arrangement:- |
| 59 | Drive type:- |
| 60 | NPSH reqd.:- |
| 61 | Limits of total head in which |
| 62 | the pump is reqd. to operate.:- |
| 63 | Suction/delivery size of pump:- |
| 64 | Efficiency of pump at:- |
| 65 | Capacity= 5.30 LPS for each pump |
| 66 | Total head in mtr= 330.00 1mtr |
| 67 | Length of R/main= 1200 mtr |
| 68 | Dia of Rising main:- 80mm dia MSERW pipe |
| 69 | No. of working hours per day= 6.00 Hours. |
| 70 | Limits of pump operation:- (-) 15% =330.82(+) 10 % of total head.=428.12 |
| 71 | RPM of Pumping set (1450/2900) =2900 rpm |
| 72 | Test Run= 12 Hours Continueously for 7 days. |
| 73 | Supply of suitable direct on line immersed star delta /ATS/Stator rotor starter of standard make such as MEI/Kilburn/Jyoti/Siemens/Larson & Turbo conforming to BIS-8544-19769 latest with upto date ammendments for squirrel cage /slip-ring motor(make to be specified by the tenderes) mounted on pannel board with magnetic type over load release & dashpot, time lag, under voltage release with intial oil filling complete in all respect. |
| 74 | Note Star-delta starter upto 37.5 KW ATS between 73.5 KW to 50 KW. |
| 75 | Providing and fixing at site MS sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm dully painted comprising and capble of mounting the following accessories with all internal electric connections. The drawing of panel board shall be subject to approved of Engineer in charge. |
| 76 | Ammeter AC supply 100mm dia circular dial auto electric/AE/IMP/Havells make of suitable range for above motor with selector switches conforming to BIS 1248(P-II)1983 latest with upto date ammendments complete in all respect. |
| 77 | Voltmeter AC supply 100mm dia circular dial auto electric/AE/IMP/Havells make of suitable range for above motor with selector switches conforming to BIS 1248(P-II)1983 latest with upto date ammendments complete in all respect. |
| 78 | ICTP switches with HRC fuses of Kilburn & Tubro/Standard/Siemen/Havells make of having capacity 30% extra selector operational rating |
| 79 | Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date ammendments. |
| 80 | ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/Standard make on incomming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments with initial oil filling whenever required & neutral linked under voltage release. |
| 81 | Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date ammendments. |
| 82 | Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date ammendments and of suitaible range which should have control box, oprating handel and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circut breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tap CTS. It should also be fitted earth fault for tripping of breaker on occurance of earth fault on/ of breaker load side. |
| 83 | Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/ recommendations. |
| 84 | Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, No/low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date ammendments. |
| 85 | Change over Switch of reputed make & suitable capacity |
| 86 | Single phase preventor of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date ammendments. |
| 87 | supply of Kirloskar/Leader make of cast iron/cast steel double flanged sluice valve having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 1(a) & conforming to BIS/API-standards with up to date ammendments for delivery line of pump 50 mm dia. |
| 88 | (NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammendments However, if the seat pressure exceeds the limits prescribed in BIS 780 then the sluice valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 Kg/cm^2) or class 300 ASA (seat pressure 52 Kg/cm^2) as per BS 1414 (API 600) or class ASA-600 (Seat pressure 103 kg/cm2) as per API-600. |
| 89 | Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make of suitable size cast iron/cast steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 1(a) & conforming to BIS/API-standards with up to date ammendments for delivery line of pump 50 mm dia. |
| 90 | NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 Kg/cm^2) or class 300ASA (seat pressure 52 Kg/cm^2) as per BS-1414 (API600) OR CLASS asa-600 (Seat pressure 105.40 kg/cm2) as per API-6D. |
| 91 | Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make cast iron double flanged sluice valve (In case Suction is +ve) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec and capable of withstanding nominal seat pressure as mentionmed in item No. 1(a) & conforming to BIS/API-standards with up to date ammendments. |
| 92 | (NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammendments However, if the seat pressure exceeds the limits prescribed in BIS 780 then the sluice valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 Kg/cm^2) or class 300 ASA (seat pressure 52 Kg/cm^2) as per BS 1414 (API 600) or class ASA-600 (Seat pressure 103 kg/cm2) as per API-600 |
| 93 | P/L suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments of Siemen/Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles,flexible pipe,solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor. The type,size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost. |
| 94 | P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor.The type,size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost. |
| 95 | P/L double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes,thimbles,nuts & bolts,digging of pits,GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendments suitable for above motors & other electrical equipments. |
| 96 | Supply & errection of floor/wall mounted power factor shunt capacitor of suitable KVAR conforming to BIS 2834-1986 or latest with upto date ammendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually,of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer). |
| 97 | Supply of 100mm dia circular dial pressure gauge of suitable range & standard make such as Fiebeg/Bourden/ Precision/PREGA with all accessories such as stop cock,copper tubing etc. conforming to BIS 3624-1987 or latest with up to date ammendments. |
| 98 | P/F double flanged suction, delivery pipe & common header considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers,flanges,rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 mtrs. away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The pipes shall be capable of withstanding 1.5 times the total presure indicated in item no. 1 (E)-(ii). The size of suction pipe shall be one or two sizes larger than the suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump. |
| 99 | NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge |
| 100 | Errection of all equipments from S.No.2 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 |
