Latest and live tenders published in united arab emirates. Click on any tender to view further details.
supply of dc/dc converter; input 220vdc 320vdc; 14.2kw output 125vdc/96amps; make: schafer electronik gmbh; power conversion syste type c 5877-7 note: enquiry may be sent the following parties 1. m/s estec technical solutions llc, pb no.391260, al quoz- 3, dubai, uae.tel 04 3469455, mob 055 3413355, web:www.estecgulf.com. 2. m/s melriya technical solutions llc, p.o box 127131, dubai, uae.te 3791970, mob 050-5958093
poster printing and framing printing of 60 framed posters with white background that contains: dewa logo, dubai government logo, b lack text, colored text, images. artwork attached. dimensions of poster height: 61 cm/24 inches x width: 78.5 cm/31 inches and 5 cm paper bleed. paper type: polar matte paper frame: 1 inch boarder can be easily opened to replace worn-out posters. supplier to prov ide a sample and acquire approval before carrying out the job. for any inquiries kindly contact mr. mohamed omer 055-6080766/04-322 5944 mohamed.omer@dewa.gov.ae location: jebel ali power station complex opposite to ibn battutta mall m-station.
repair and service of make: ridgid, model: re60. replacement of ball bearing.
fabrication of prd gasket set for ztr 33kv transformers set include 03 pieces. note: prior to quote, supplier need to collect the sample. contact: mr. adel al haj 055-3088995.
complete overhauling of booster pump of mushrif pumping station. pump details: make-aversa, model-nds 500-450-700. please contact mr noor uddin 052-9172523 for further clarification. 1.0#introduction dubai electricity & water authority dewa owns and operates potable water booster pumping stations at various locations of dubai. these booster pumping stations along with their accessories ar maintained regularly and taken out of service in a planned sequence mostly in winter to carry out the preventive maintenance, insp ections etc. 2.0#scope of work the scope of work mandatory & optional for the overhaul of booster pumps and their accessories o booster pumping station. # a#the contractor has to take the pump assembly from dewa site to their workshop
supply of internal & external coating of of booster pump of mushrif pumping station. pump details: make-aversa, model-nds 500-450-700. please contact mr. noor 04-3229439 for further clarifications. scope of works: specification for internal coating of pumps/ valves g eneral these pumps & valves are used in water booster pumping stations. the fluid handled by these pumps is potable water of maximum temperature up to 50 0c. normally the water is clean but some time it is noticed to have sand and solids in stream from pipe line. these pumps are in operation since commissioning of the station. scope of work collection & transportation the contractor shall collect the pump casing through suitable pickup/crane mounted truck from ems workshop at aweer. the contractor
internal & external coating of the booster pump of emirates road pumping station. pump details: mfr: clyde weir pump, flow rate: 526 l/sec; haed: 66 m; type: sdk 400/600; rev/min: 980 rpm. please contact mr. noor 04-3229439 for further clarifications. scope of works: specification for internal coating of pumps/ valves general these pumps & valves are used in water booster pumping stations. the fluid handled by these pumps is potable water of maximum temperature up to 50 0c. normally the water is clean but some time it is noticed to have sand and solids in stream from pipeline. these pumps are in operation since commissioning of the station . scope of work collection & transportation the contractor shall collect the pump casing through suitable pickup/crane mounted tsuitable composite materials up to original level before applying any coating. the composite material shall have the following properties: #the curried composite must be suitable for continuous immersion in the following chemicals at 21 0c 70 0f: ferric chloride, 10% hydrochloric acid, 10% sulfuric acid, 5% nitric acid, 50% sodium hydroxide and 28% ammonium hydroxide. ·#the composite shall show no blisters when exposed to de-mineralized water in an astm c 868 corrosion test at 43 0c 110 0 f for a minimum period of 6 months. #adhesion of the composite per astm d1002 shall be greater than 183 kg/cm2 2, 600 psi #the curved composite must meet or exceed t he following physical requirements: compressive strength astm d 695 914 kg/cm2 13, 000 psi. tensile strength astm d638 431 kg/ cm2 6, 136 psi flexural strength astm d 790 620 kg/cm2 8, 800 psi flexural modulus astm d 790 6.9 x 104 kg/cm2 9.87 x 105 psi. during the phases of surface preparation, application, and curing, environmental conditions will require careful monitoring a nd may require supplemental controls. critical areas of concern are relative humidity, dew point, surface temperature of the substra te, and air purity. contractor shall carryout all the procedures in a controlled environment in accordance with the latest standards and procedures. final internal coating after surface preparation and filling up the eroded surface it is required to a pply the ceramic reinforced composite materials for final coating. the composite coating materials shall have following
complete overhauling of the booster pump of emirates road pumping station. pump details: mfr: clyde weir pump, flow rate: 526 l/sec; haed: 66 m; type: sdk 400/600; rev/min: 980 rpm. please contact mr. noor uddin 052-9172523for further clarifications. technical specifications 1.0#introduction dubai electricity & water authority dewa owns and operates potable water booster pumping stations at various locations of dubai. these booster pumping stations along with their accessories are maintained regularly and taken out o f service in a planned sequence mostly in winter to carry out the preventive maintenance, inspections & overhauling etc. 2.0#scope o f work the scope of work mandatory & optional for the overhaul of booster pumps and their accessories of booster pumping station. a#the contractor has to take the pump assembly from dewa site to their workshop & vice versa. dewa shall not provide any transport to shift the same. for loading & unloading contractor can use dewa overhead crane available at pumping stations in coordination wit h the dewa representatives. b#mechanical seal replacement, coupling bush renewal gland packing renewal, bearing replacement as re quired. c#overhauling of pump see annexure i-mandatory & ii-optional d#painting of pump externally e#rectification of the pump for any complaint rose after installation. f#if any part is found defective, the contractor has to repair/replace the same. availab le spare shall be supplied by dewa. if any spare is not available with dewa the
additional repairing works on the pump sent for complete overhauling nad al sheba an-40016-17 clyde union booster pump please send this enquiry to m/s hitek as the overhauling po-3052001268 was rewarded to them please contact mr. noor 04-3229439 for further cl arifications. scope of works: 1. machining on the both impeller wearing rings 2. assembly of both wear rings to the rotor assembly 3. 1 year warranty on the workmanship additional repairing works on the pump sent for complete overhauling nad al sheba an-40016-17 clyde union booster pump please send this enquiry to m/s hitek as the overhauling po-3052001268 was rewarded to them please contact mr. noor 04-3229439 for further cl arifications. scope of works: 1. machining on the pump impeller 2. assembly of the
testing and calibration of sweep frequancy response analyzer, make: doble, model: m5300, serial no: 11000205. calibration and certif ication should be traceable and accredited as per iso/iec 17025 specification. calibration certificate to be valid for two year. testing and calibration of karl fischer titration instrument; make: megger, model: kf lab mkii, serial no.: 1237. calibration and ce rtification should be traceable and accredited as per iso/iec 17025 specification. calibration certificate to be valid for two year.