T2017 306 1696 A R and M O LWSS Bargoh in Tehsil Kumarsain Distt Shimla

Amount

Supply of submersible pumping set of KSB /Calama /SU/ Johnstion make comprising to latest relevant BIS Code. The pump should be fitted with bronze impeller of suitable alloys as per IS 8034-1976 latest suitable for Clear water having greased packed bearings and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP, RPM 2900 of reputed make conforming to BIS 9238-1979 latest with upto date amendments, totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should be suitable for operation on data given below:- (3.00 No's pumping sets (Submersible type) 7.5 HP (2 working and one standby)

(A) SITE CONDITIONS:-

i) Location of site:- Bargoh Nallah

ii) The altitude of place in which the motor is intended to work in ordinary service.- 1496.00 mtrs.

iii) Humidity:- Humid during rainy season

iv) Nature of atmosphere:- Normal

v) Detail of quality of water:- Clear water

vi)Water free from sand or not:- Free from sand

vii)Water corrosive or not:- Not corrosive

viii)Turbidity:- Less than 50 ppm

(B) OPERATING CONDITIONS

i) Type of current:- AC. Three phase

ii) Operating frequency:- 50 Hz.

iii) Rated voltage:- 415(+/-) 10% volts.

iv) System of earthing if any to be adopted:- Double loop earthing as per BIS: 3243-1987 latest with upto date amendments .

v) Speed of revolution:- To be quoted by tenderer

vi) Direction of rotation :- To be quoted by tenderer

vii) No. of working hours per day. :- 8 Hours

viii) The maximum temperature of cooling air and water in the place in which the pump set is intended to work in ordinary service:- Temperature of place to be specified 200C to 420C.

( C) MOTOR

i) Ref. to BIS code:- BIS 9283-1979 with upto date amendments

ii) Type of enclosure of motor.:- As per BIS-4691-1985 (Latest)

iii) Type of duty:- Continuous

iv) Mechanical output in KW:- Suitable for driving submersible pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output to prime Mover.

v) Class of insulation:- Class –B

vi) Max. Permissible temp. Rise of motor reqd. if different from that given in 8 (viii) above.:- To be specified by the tenderer.

vii) Particulars of test reqd. & where they are to be conducted.:- AS per terms and conditions attached.

viii) Type of motor:- As per BIS 9283-1979 or latest.

ix) Details of shaft extension required

x) Break way torque in terms of rated load torque and the corresponding break-way starting current which may be taken from the supply with the starting apparatus in circuit.:- Break way torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.

xi) Nature of load and 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 accelerated and No. of starts during a specified period.:- To work the pump offered

xii) Where possible fault capacity of the system to which the motor is connected.:- The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.

(D) PUMPS

i) Nos. of pumps required.:- 2 No. pumps out of which one set will work at a time and one set will act as stand bye.

ii) Spare parts required.:-

iii) Type of drive.:-

iv) Optional fittings required:-

v) Pump Operating conditions

a) Capacity:- Total 1.81 LPS for Each pump

b) Total head in meters 178.86 meter

c) Static head 169 meter

d) Length of rising main 480 meter

e) Dia of rising main 80 mm

f) Turbidity of water < than 50 PPM

g) Drive type Electric driven

h) Limits of total head in which the pump is required to operate (-) 25% to (+) 15% of total head

i) Suction/Delivery size of pump To be specified by the tenderer.

j) Efficiency of pump at To be specified by the tenderer. a) Duty head b) (+) 15% head. c) (-) 25% head.

k) Material of construction To be specified by the tenderer (manufacturers certificate to be appended)

Supply of standard make circular dial pressure gauge 0-16 kg/cm2 range of feibig make with all accessories such s stop cock, copper tubing etc, conforming to BIS: 3624-1987 latest with upto date amendments. 3 Nos.

Providing and laying delivery pipe dia. eqaul to pump outlet and common header 80 mm dia GMS Tubes (Medium Class) (IS:1239 - 1979) jointed with MS flanges of table-17 as per IS: 6392-1971 (upto a length of 20 mtrs ) including Bends ,rappers, flanges, rubber gaskets, nuts and bolts and specials upto 5 mtrs away from the outer wall of pump houses as per layout drawings approved by Engineer-in-Charge. 1 Job

Supply of Leader /Kirloskar/Kartar make 80 mm dia. cast Steel class 300 PN. 1.6 double flanged (swing check type) reflux valve having and size equal to dia of rising i.e. 80 mm for withstanding nominal seat pressure of 16.32 Kg/Cm 2 as per BIS 5312-1984 (Part-I ) (Head i/c water hammer effect = 178 Mtrs) 1 Nos.

Supply of supporting clamps. 1 Job

Supply of MS. Angle iron steel sheet 16 SWG fabricated floor mounting closed (Almirah type) switch board comprising and capable of mounting the following accessories and with all internal electric connections, duly painted. The drawing of panel board shall be subject to approval of Engineer-in-Charge. 1 No.

ICTP switches with HRC fuses of Havells/L&T/standard /cromption make for required motor of suitable capacity and conforming to BIS: 4064-1978 latest with upto date amendments. 1 No.

Bus bar chamber having 3 copper bars of suitable rating for full length of 3 phases and one bar of half the rating of full length for neutral conforming to BIS: 8084 –1976 and 11353-1985 read with 5578-1985 all latest with upto date amendmentsof suitable rating. 1 Set.

MCB of suitable capacity of Havells/standard/MDS/Jyoti/Kilburn make to feed motors offered by the tenderer conforming to BIS: 2516-1985 latest with upto date amendments with neutral linked under voltage release. 1 No.

3 phase indicator lamps complete with toggle switches for individual motors conforming ti BIS 3452 part I & II latest with up to date amendments of 15 watts. 1 Set

Providing and laying suitable size copper PVC insulated armoured power 3.5 core cable conforming to BIS 1554 (part-I) –1988 of latest with upto date amendments siemen/closter/ICC make form meter of HPSEB- to MCB and form MCB to Bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipe solder, nuts and bolts, cable glands, etc. laid in pipes of trenches under floor. The type, size and 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. 1 Job

Supply side Suitable sizes.

Motor Side Suitable sizes.

Supply of PVC joint less flat water proof cable as per BIS: 694-1990 latest with upto date amendments suitable for the pump sets offered from MCB to motor including all other electrical equipment/accessories such as thimbles, flexible pipes solder, nuts and bolts, cable glands etc laid in pipes of trenches under floor. The type, size and make will be subject to approval of HPSEB authorities & in case of non acceptance by HPSEB authorities it shall have to be replaced by tender.1 Job

Erection of all equipment from Sr. no. 1 to 8 including cost of tees, bends, tapers and any other fittings required as per site conditions and as per direction of Engineer-in-charge. 1 Job

M/S THAKUR ELECTRICAL & HARDWARE STORE (BID ID -586671)

Ajay Sharma (BID ID -586349)

Bharat Singh Verma (BID ID -586031)

Kuldeep Kumar Thakur (BID ID -586292)