Retrofitting Improvement of LWSS Jaglog Kanolla in Tehsil Ramshehar District Solan HP Sub Head Construction of main storage tank at Node No 21 and Node No 27 and providing house hold connection supply and erection of mono submersible pumping machin

Amount

Excavation in foundation trenches etc. in all kinds of soil such as pick work,jumper work blasting work in soft or hard rook or by cum chiselling soft/ hard rock where blasting is prchibited in all leads and lif-ts including trimming and dewatering where ever required dressing of sides and bed stacking the excavated soil clear from the edge of excavaton and then returning the excavated soil after completion of work in 15cm layers when required into plinths, side of foundation etc. Consolidating each deposited layers by remming and watering and then disposing of all surplus excavated earth as direction within a lead of 20 mtrs. pick jumper work 50% each as per direction and to the entire satisfaction of Engineer-in-Charge upto all lead and lifts.

Providing and laying cement concrete 1:4:8 (1 cement :4 sand :8 graded stone agg. 40mm nominal size) and curing complete excluding cost of form work and cement in foundation and plinth in all lead and lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering strutting and propping etc. with wooden batten and ballies, in all heights of propping and centring below supporting floor to ceiling upto all height and removal of the same for insitu-reinforced concrete and plain concrete work in :-

(a) Flat surface such as soffits of suspended floors, roofs,landing and the like floor etc.upto 200mm in thickness.

(a) Vertical surfaces such as wall (any thickness) partitions and the like including attached pillasters, buttresses plinth and string courses and the like in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-charge.

Providing and laying cement concrete 1 : 1½ : 3 mix. ( 1 cement : 1½ : sand : 3 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work cement and reinfocement for reinforced concrete work in :

Foundation footings bases of columns and the like; and mass concreteas per direction and to the entire satisfaction of Engineer-in-Charge.

Walls any thickness but not less than 0.1m thickness including attached pillaster buttresses, plinth and string courses from top of foundation upto two level all floor level as per direction and to the entire satisfaction of Engineer-in-Charge.

Providing and laying reinforcement cement concrete work 1:2:4(1cement:2sand: 4 water borne aggregate 20mm nominal size & curing complete excluding the cost of form work and reinforcement for reinforced concrete work in suspended floors, roofs, landing shelve and their supports balconies beams, girders bressumers and centilevers upto floor two level. including carriage of materials within all leads and lifts complete in all respect.

Placing of Tor steel reinforcement for RCC work including bending binding and placing in position including wire upto all floor level as per direction and to the entire satisfaction of Engineer-in-Charge. ( Labour rate)

Providing and fixing of pre-cast manhole cover with frame 500x500mm C.I cover (light duty) singh seal pattern the weight of cover 23 Kg. and weight of frame 15 Kg. The total weight of cover and frame to be not less tahn 38 Kg. complete as per the direction and satisfaction of Engineer - in -Charge.

Laying and jointing & testing of G.I pipe for outlets pipe scour pipe and over flow pipes etc. in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-Charge.

50 mm dia (Light grade)

Providing and fixing Gun Metal full way wheel valve of 50mm dia screwed type as per ISI.778-ISI. Marked complete in all respect as per direction and to the entire satisfactioln of Engineer-in-Charge..

Providing and fixing of pre-cast manhole cover with frame 500x500mm C.I cover (light duty) singh seal pattern the weight of cover 23 Kg. and weight of frame 15 Kg. The total weight of cover and frame to be not less tahn 38 Kg. complete as per the direction and satisfaction of Engineer - in -Charge.

Laying and jointing & testing of G.I pipe for outlets pipe scour pipe and over flow pipes etc. in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-Charge.

50 mm dia (Light grade)

Excavation in drain and channel etc. in earth work including dressing of sides and bed and disposing of all excavated earth work upto a lead of 20 mtrs and lift upto 1.5 mtrs and disposed earth to be levelled and neatly derssed in pick and jumper work 50 % each.

Laying,jointing and testing in trenches galvanised mild steel tube of following dia and grade confirming to BIS 1239 ( with latest ammendment upto date) as per classification of pipe as specified below. The laying of pipe shall confirm to BIS 5822 (With latest ammendment upto date), all kind of specials such as bends of all degrees to made from parent tube, short pieces, tail pieces all made from parent tube within all leads & lifts. (earth work in trenches to be measured and paid for separately).

15mm dia(Light Grade)

Providing and Fixing GI union 15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing GM Ferrule 15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing GI elbow 15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing GI Sockets 15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing GI Nipple 15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing GI Tee 15x15mm dia (Heavey Duty) complete in all respect with in all leads lifts

Providing and Fixing Brass bib tab (Heavy Duty) complete in all respect with in all leads lifts

Pumping machinery

Supply, erection, testing & commissioning of Mono submersible pumping set three phase of reputed make such as KSB / BS/Johnston/ Worthingtonsingle phase+CB conforming to latest relevent BIS code. The pump should be fitted with free flow impellers of bronze /suitable alloy as per IS 8034-1976 or latest with up to date ammendments suitable for Raw/clear water having greased packed bearings & shell with wound stator on motor side & 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 conforming to BIS specifications. The pump shall be directly coupled to a submersible squirrel cage electric induction motor of Kirloskar/ NGEF/Jyoti / Crompton make conforming to BIS 9238-1979 latest with up to date ammendments, totally dust & water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber chamber & grease packed lubricated bearings & provided with stainless steel thrust bearing plate to withstand non vertical loads with minimum wear & tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guard, errection clamps, cable clips & depth gauge etc. & suitable for operation on data given below:-

Total Head in mtrs (i/c depth of Column Pipe in case of t/well) : 36.06

Capacity (in LPS) of each pump set. 2.71

Dia of R/Main (in mm) 65 mm

Dia of Column pipe (in mm) 65mm

Length of R/Main. 90 mtrs

SITE CONDITIONS:-

Location of Site:- Dharamana Khad

The altitude of place in which the motor is intended to work:- 480 mtr

Humidity:- Wheather generally remains humid during monsoon season

Nature of atmosphere:- As normally encountered in Shivalik Ranges

Detail of quality of water :- Clear cold water

Water free from sand or not:- yes

Water corosive or not:- Not

Turbidity :- 50 ppm

Type of well:- Source Khad

Inside Dia of Well:-

Depth of water during HFL in the pond:-

Max. draw down:- (Metres)

Depth of Tube well:- (Metres)

Any other information or requirement:-

OPERATING CONDITIONS:-

Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments

Speed of revolution:- To be quoted by tenderer

Direction of rotation:- To be quoted by tenderer

No. of working hours per day:- 16 Hours

The max. Temp. of cooling air & water in the place in which the pumpset is intented to work in ordinary service:- Temprature of place to be specified 20°C to 42°C

Generally warm

MOTOR:-

Ref to BIS code:- BIS 9283-1979 or latest with upto date ammendments

Type of enclosure of motor:- As per BIS 4691-1985 or latest with up to date ammendments

Type of duty:- "S1" i.e. Continuous duty type as per IS-12824-1989 or latest with up to date ammendments

Mechanical out put 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 out put of prime mover.

Class of insulation:- Class ~B~

Max.permissible temp. rise of motor reqd. if different from that given in B (viii) above:- To be specified by the tenderer

Particulars of test reqd. & where they are to be conducted:-. As per terms & conditions attached

Particulars as to whether voltage limiting device will be employed:- Star Delta starter, oil immersed,fully automatic to be installed between bus bar & motor. Shunt capacitor is also proposed to be installed for improving the power factor at site.

(NOTE:- Star delta starter upto 37.5 KW & ATS for 37.5 KW & above)

Type of motor:- As per BIS 9283-1979 or latest with upto date ammendments

Details of shaft extension reqd:- To work with the pump offered

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:- Breakway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.

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:- To work with the pump offered

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

PUMPS:-

Nos of pumps reqd.:- 2 No. Pump (One act as stand bye).

Spare parts required:- For two years normal maintenance as recommended by manufacturer.

Type of drive:- Electric induction motor

Optional fittings reqd.:-

PUMP OPERATING CONDITIONS:-

Capacity of each pump (in lps) :- 0.00

Total head (in Mts.) :- 0.00

If total head is not known then following details be provided:-

i) Static head (in mtrs):- 30.00

ii) Minimum depth of water (in mtrs) :- 5.00

iii) Seasonal Variation in water level (in mtrs):- 3.00

iv) Ground level to max. water level (in mtrs) :-

v) Ground level to delivery point (in mtrs):-

vi) Pressure in the suction tank (in kg/cm^2)-

vii) Pressure in the delivery tank (in kg/cm^2) :-

Length of R/Main (in mtrs):- 0

Dia of R/Main (in mm):- 0

Length of Column pipe (in mtrs):- NOT AVAILABLE

Dia of Column pipe (in mtrs) 0.00

Turbidity of water (in ppm):- 50 ppm

Drive type:- Electric driven

Limits of total head in which the pump is reqd. to operate:- (-) 15% to (+) 10% of total head.

Suction/delivery size of pump:- To be specified by the tenderer

Efficiency of pump at To be specified by the tenderer

a) duty head

b) (+) 10 % head

c) (-) 15 % head

Material of construction:- To be specified by the tenderer (manufacturers certficate to be appended)

Vijay Kumar

Ajay Kumar Govt. Contractor