Supplying Fast Cycle Surface Pumping Units

• Country: Jordan
• Summary: Supplying Fast Cycle Surface Pumping Units
• JOT Ref No: 54839596
• Deadline: 14 Jul 2021
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: C- T- G- 0021-0095
• Purchaser's Detail:
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• Description:
• Tenders are invited for Supplying Fast Cycle Surface Pumping Units. Horizontal centrifugal pumping units: 1- Each pump shall be horizontal spindle centrifugal type directly coupled to the driving motor through flexible coupling, which is to be protected by a coupling guard. 2- Each pump motor unit shall be mounted on a common stiff and robust base plate. 3- The offer shall contain full information regarding the pump and complete original characteristic curve showing : a. flow and head b. power consumption c. Efficiency, and d. NPSH. (A photo copy of the curves will not be accepted and the offer will be rejected) 4- The pump shall be quite in operation, free from vibration and shall be designed for continuous duty. It shall have stable operating curves and shall be in accordance with the specifications specified hereinafter. 5- The pump capacity and total dynamic head shall be as stated in the bill of quantities. The pump shall be able to work under a suction lift below the pump level. 6- The pump efficiency shall not be less than70% for pump. 7- The pump casing should be made of best quality gained cast iron,ductile or cast steel. 8- The impeller shall be constructed of the best quality bronze. They shall be smooth, well finished, and free from holes and imperfections. Impeller shall be securely fitted to the spindle and in such manner that they do not loosen or become detached when the pump is in operation or when it is rotates in the opposite direction be reverse motor connection. 9- The pump shaft shall be stainless steeland fitted with renewable sleeves to protect the shaft. 10- The pump shall be fitted with two Borden pressure gauges connected to the section side and the discharge side and placed on the pump so as to be easily readable, each gauge shall be provided with an isolating cock. Each pump should be supplied with low and high pressure switches including its gaskets, bolts, and nuts. The reading shall be directly in meters of water. 11- All bolts, nuts, studs, screw, washers etc... Shall be stainless steel or cadmium plated steel. 12- Labels and plates shall be non-corrodible metal and rating plates shall be securely screwed or riveted to each pump or motor casing. These shall be stamped or deeply engraved in such a way that the lettering will not be obliterated. Rating plates shall include all information required by BS 2613 or BS 4999 or equivalent ISO, in addition to the pump make, impeller size, head and output at normal duty speed, serial number, pump curve number, power and current. 13- Operating speeds Suppliers shall offer 3000 rpm for all surface pumps 14- Standards and tests - each pump shall be tested over the complete duty range to comply with the latest BS, ISO, DIN standard specifications for testing of pumps and motors. The bidder shall submit along with his offer or on the date of agreement original copies in English language of the relevant standards used in the material, production and testing. Nevertheless the bidder shall indicate in his offer the standards used. Test certificates however shall be provided. 15- Foundation - the supplier shall give complete details for the set foundation on which the pumping set will be mounted. 16- Driving motor - each pump shall be equipped with an electric squirrel cage motor, totally enclosed fan cooled (TEFC). It shall be horizontal foot mounted, construction type B3, according to DIN 42950, and shall be protected against the ingress of splashed water according to ZI.E.C.IP 54, or equivalent international standards, and shall be in accordance with the following. 1. The nominal supply voltage shall be 3-phase, 400 volts, 50 HZ. 2. The electric motor shall be fitted with graspable ball bearing. 3. The electric motor shall have insulation to class F. 4. The electric motor shall be provided with a terminal box of adequate size for the supply cables. 5. The electric motor shall be continuously rated at least 15% above the maximum power absorbed by the pump over the complete head and capacity range of the pump. 6. The electric motor shall be provided with inside thermal protection (thermistor bimetal type) to protect the winding against overheating. 7. The electric motor efficiency shall not be less than 94% for those motors above 50 kw, and below these rating supplier shall clearly indicate the maximum performance possible. (The offer must provide motor efficiency or the offer will be rejected) 17- Product data Suppliers shall identify the manufacturers name and details for motors used on All pumps 18- Operating and maintenance instructions - three copies of the following shall be supplied with each set: a. operating and maintenance instructions b. workshop manuals 19- Manufacturers works tests Works tests shall be accompanied by a suitable works test certificate Indicating the performance of the pump over its entire range. The tests shall be in accordance with ISO 5198 .1998 (Previously class A) Start date of selling documents: 4/7/2021. Document sale expiry date: 7/13/2021. Last date for inquiries: 7/11/2021. Last date to deposit: 7/14/2021. [Disclaimer: The above text is machine translated. For accurate information kindly refer the original document.].
• Documents:

 Tender Notice