MUNICIPAL CORPORATION JALANDHAR

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8 JALLANDHAR <strong>MUNICIPAL</strong> <strong>CORPORATION</strong> (1) Design:- TECHNICAL SPECIFICATION Offered jetting cum suction unit shall be of reputed make & proven design. The contractor shall design the equipment in accordance with the specifications. The design shall be in accordance with the latest modern practice & shall facilitate inspection, Cleaning, lubrication & repair to ensure satisfactory operation under all service conditions. The vehicle mounted combined unit for suction cum jetting shall be able to create vacuum required for siphoning of mud, slurry, grit & other material from storm, sanitary & combined sewage system & high velocity jetting to remove and dislodge obstructions, grits & other materials from the sewerage system. The unit shall be multipurpose vehicle designed to collect sludge & sewage from catch pits and manhole. It shall also be useful for flushing of silted storm water & drain lines. The vehicle mounted combined unit shall have suction lift of at least 9.0 meter. The unit shall consists of (a) Drive system inclusive of PTO unit (b) Tank (c) High pressure jetting pump (d) Vacuum pump (e) Suction hose (f) Jetting hose (g) Hydraulic system & plant (h) Piping (i) Vehicle chassis (to be supplied by MCJ) (j) Accessories 1.1 PRIME MOVER : The drive for all the pumps will be from the vehicle’s engine through a third generation pneumatically actuated split-shaft PTO of an imported origin. The PTO Unit shall be split shaft horizontal type, fitted chrome alloy steel gears on Heavy Duty ball and rolled bearing in accurately machined housing. The unit shall be designed for horizontal drive, The RPM and direction of rotation of output shaft shall be the same as that of input shaft. The PTO should be of PZB Italy, SKIBBL Germany, OMSI Italy make with proven performance.
1.2 TANK : 9 The tank will be of rear tipping type and should have a total air volume capacity of 8000 Ltrs. The whole tank should be made of steel plates 6 mm thick and should confirm to IS 2062 grade ‘A’ standard. The tank should be of an all electrically welded construction. The tank should be compartmentalized as follows : 4500 Ltrs for clean water and the balance 3500 Ltrs for sludge. Level Indicator size 18” X 8” of thick wall transparent acrylic tubing should be provided on both the sides of each of the compartments 2” drain valve should be provided at a suitable position on the clean water compartment. The tank should be mounted on the chassis. The inside of the tank should be coated with epoxy paint. The vacuum compartment should be provided with hydraulically operated rear door opening facility. The tank should be mounted on hinge supports for tilting about the rear end, while the front end should have rest pads for seating on chassis of the vehicle in the horizontal position. The tank should be provided with manhole at the water compartment for attending to the maintenance operation/repairing of the tank.. The tank should be provided with suitable suction line strainer and filter hose connections. The tank should be finished with three coats of epoxy paint of suitable enamel paint with primer on the inside and coats on the out side. The entire tank should be fabricated and finished to the best of quality standards and as per standard engineering practice. REAR DOOR: The rear door shall be top hinged open able with two double acting hydraulic cylinders. The door should be allowed to remain secure in the raised position by an incorporated pilot check valve in the hydraulic system. Adequate sealing and locking arrangement should be provided to render the door leak proof. Fitted at the rear end door, the tank should be provided with a 100 mm suction cum drain valve at the bottom most position. The drain/suction valve shall be of carbon steel, three peace construction having a stainless steel ball. These valves, unlike the normal cast iron valves have longer operation life and are far easier to maintain. Sludge should be sucked through this valve which could also be used to discharge the entire tank contents under gravity/pressure. Tank level indicators will be provided at a convenient location both the side on the shell of both, the sludge as well as the clean water compartments. The sludge tank may be emptied by gravity or by pressurized discharge. Emptying is via hydraulic tipping of the complete tank using a hydraulic cylinder mounted below. The tank tipping angle would be about 30 degrees. To prevent the tank from creeping down when in the raised position a line mounted pilot operated check valve is fitted into the hydraulic circuit.
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Page 3 and 4: 3 8) Rights to rejects any or all t
Page 5 and 6: Terms of Reference 5 1) Eligibility
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Page 11 and 12: The exhauster / compressor will be
Page 13 and 14: OPERATION & MAINTENANCE 13 Besides
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MUNICIPAL CORPORATION JALANDHAR

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