IMPROVEMENT OF FIS CHHAPROHAL GHATTA IN TEHSIL BALH DISTT MANDI HP

Amount

Excavation in foundation, trenches (for pipes & pits) upto all depths in all classification of earth work such as pick work, jumper work, saturated soil including bailing and pumping out water, blasting soft/ hard rock or chieselling soft/hard rock where blasting is prohibited in all lifts including trimming and dressing of sides, leveling of beds to correct grade i/c shoring /strutting , planking, timbering & dewatering wherever required, stacking the useable & unuseable material /soil separately & after laying jointing & testing of pipes, returning the useable soil in trenches in 15 cm layers including consolidating of such deposoited layer by ramming & watering & then disposing of all surplus excavated soil /unusable material as directed with in all leads & lifts including restoration unmetalled surfaces to its original condition & including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respect with in all leads & lifts as per direction of Engineer-in-Charge.

Providing, laying, jointing (by way of circumfrential butt welded joints by electrical arc welding) testing and carriage of MSERW pipe of following diameters confirming to BIS 3183-2007, steel grade specified below (latest with upto date ammendments) having wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in a random length of 4 to 7 meters, including manufacturing reducers/ tapers, all short pieces, beds etc. as per site requirement made from parent tubes. The laying of pipe will include all operation such as cutting, welding, jointing, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respect to the satisfaction of the Engineer-in-Charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer-in-Charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

Phase-I:- 250mm dia - MSERW pipe of 4.80 mm thickness (Grade L-210 or A)

Laying, jointing, testing and carriage of GMS Pipe of following diameters confirming to BIS 1239 (Part-1), of following grade specified below (Latest with upto date ammendments) and having wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in random length of 4 to 7 meters, including manufacturing reducers, tapers, all short pieces, bends etc. as per site requirement made from parent tube. Providing and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to date ammendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes, 3mm thick compressed asbestos fiber/synthetic rubber gaskets confirming to relevant BIS standards. The laying of pipe will include all operation such as cutting, welding, jointing, providing & fixing of MS flanges, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respect to the satisfaction of the Engineer-in-Charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards and the damaged portion of the pipes and specials made from the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer-in-Charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

Phase-2nd :- 150 mm dia-GMS Pipe 4.80 mm thickness with F.T.-17

Phase-2nd :- 150 mm dia-GMS Pipe 4.80 mm thickness with F.T.-5

Laying, jointing (by way of circumfrential butt welded joints by electrical arc welding), testing and carriage of GMS pipe of following diameters confirming to BIS 1239 (Part-1) of following grade specified below (latest with upto date ammendments) and having wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in random length of 4 to 7 meters, including manufacturing reducers, tapers, all short pieces, bends etc. as per site requirement made from parent tube. The laying of pipe will include all operation such as cutting, welding, jointing, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer-in-Charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards and the damaged portion of the pipes and specials made from the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Enginee-in-Charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

Phase-2nd :- 150mm dia-GMS pipe of 4.80 mm thickness

Submersible Pump Set:- Supply of submersible Raw Water pump set confirming to ISO 9906 suitable to handle turbidity up to 600 PPM of KSB/ Kirloskar /Sabar/ Johnston/Crompton/ Kalama/ Grandfos make instead of clear water pump conforming to BIS:8034 for 600 PPM or latest suitable for lifting Water ( latest with upto date ammendments) fitted with bronze impellers/ suitable alloye. The pump should be fitted with free flow impellers of bronze/suitable alloys directly coupled to squirrel case electric induction motor of same make as (manfacture standared) conforming to BIS: 9283-2013 ( latest with upto date ammendments) and totally water proof for submersible duty, isolated from the pump by intermediate casing with double mechanical seal in oil chamber, grease packed lubricated bearing & provided with stainless steel thrust bearig plate to with take up expansion of water with the heating of motor including water level guard errection clamps, manfacturer cable clips & depth gauge etc. The pump shall be suitable for operation on data given as below:-

Discharge(Q) - 12.74 LPS for each pump, Total Dynamic heads:- 90.06 Meter , a) LWL in sump well(h) - 730 Meter , b)Shaft Level - 722.33 Meter, c) Level at Discharge point - 812.39 Meter, d)Suction Lift - +ve, e) DisCharge Head - 812.39 Meter, f) Static head - 90.06 Meter, Rising Main - a) Length - 330 Meter, b) Dia - 150 mm, Pumping Hours - 20.00 Hrs, Altitude of installation above MSL - 750 Meter, Characterstics of water - clear water with turbidity up to 600 PPM, a) Temerature- 25 degree centrigrade

Suppply , Installation , Testing and Commissioning of Star Delta Stater Panel for Submersible pump made out of 16 Gauge sheet, powder coated dust and vermin proof, wall/base mouted and front opening door type with copper insulated wiring suitable to operate 1Nos. pumps(1working) each of the rating 25HP through Star Delta Starter mechanism. Starter should be capable enough to handle the following faults like short circuit, over current, under current, over voltage, under voltage, dry run protection and phase loss with LED ON/ OFF & TRIP indicators. Make: JSV approved

Star, Delta and Mains Power Contactors of required ratings as per type-2 co-ordination for 25HP starter

Voltage Protection device to protect panel from over voltage and under voltage

Single phasing and phase reversal protection device top safeguard system from single phasing and phase reversal of the supply voltage

Multi function meter indicating different parameters like current, Voltage, KWH , PF , THD etc with RS 485 communication Make JSV approved

Main incomer MCCB/MCB of suitable capacity of L&T/ Schnieder/ABB make on the feeder for pumping set confirming to BIS 2516-1985 (Latest edition) JSV approved

Individual Starter incomer MCCB/MCB of suitable capacity of L&T/ Schieder /ABB make on the feeder for pumping set confirming to BIS 2516-1985 (Latest editiion) JSV approved

Three phase indicating lamps complete with toggled switches for individual motors confirming to BIS 3452 (Part I & II ) latest with upto date ammendments.

LED On/Off & Trip indicator and push buttons, Control and power wiring, power capacitor, cooling fan 230 VAC , Control terminal, Bus Bar , i.e. Bolt, insulator, etc

Surge supressor device with Isolating MCCB to eliminate the power surges due to lightening and system surges.

Control Transformer to provide a stable control voltage to safegaurd the control circuit of all the components from the voltage surges and spikes JSV approved

Providing double flanged cast steel sluice valve, ASA-150 of Leader/BHEL/Kirlosker/Kilburn / GLEd/ Fourses make and one step higher then delivery line of pump and capable of withstanding normal seat pressure as per BIS standards with upto date ammendment

Providing double flanged cast steel reflux valves class, ASA-150 of Leader/BHEL/Kirlosker/Kilburn / GLEd/ Fourses make for rising main and capable of withstanding normal seat pressure as per BIS standards with upto date ammendment

Providing 100mm dia circular dial analog pressure gauge of suitable 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 ammendment

Providing discharge meterof standard make to be fixed on the rising main in pump house as per the directions of the Engineer in Charge as per IS:2373:1981 with upto date ammendments.

Installation of all the items apparing as per the schematic drwaing.

Providing and laying copper PVC insulated armoured power cable (One cable carrying all the three phases) of suitable size and capacity to motor and all other electrical equipments as per IS:1554(P-I) 1988 or latest with upto date ammendments of siemens/GLOSTER /IEC/ICC/EICO/NATIONAL/GRANDLAY 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)

(b) Supply side (From Meter of HPSEB to bus bar and switch)

PLC (Programmable logic controller) with appropriate digital and analog inputs and outputs to give automatic command to Star Delta Starter Panel/ Energy Saving Variable Frequency Starter Panel Make: JSV Approved complete in all respect as per the entire satisfaction of Engineer-in- Charge.

Electronic relay card 8 channel complete in all respect as per the entire satisfaction of Engineer-in-Charge.

SMPS 4.5 Amps to energise PLC system complete in all respect as per the entire satisfaction of Engineer-in-Charge.

HMI (Human Machine Interface) 7" display for Monitoring and Controlling of Centrifugal pumps Make:JSV Approved complete in all respect as per the entire satisfaction of Engineer-in-Charge.

Control MCB for Automation System complete in all respect as per the entire satisfaction of Engineer-in-Charge.

Level Sensor to indicate the water level of tank remotely complete in all respect as per the entire satisfaction of Engineer-in-Charge.

Shielded Data Cable for Communication of Level Sensor with PLC complete in all respect as per the entire satisfaction of Engineer-in-Charge.

KUSHAL SINGH RAGHAV

M/S Apurva Construction

Naik Electrical Works

Raman Thakur Govt. Cont.

KULBINDER SINGH GOVT CONTRACTOR