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supply of stored energy motor operator;for a tmax t6n 630 reaker; moe;a make, 110...125 vac/dc; 1sda060397r1;

maintenance of hoist rake and vfd failure analysis of 90/25 t eot crane in gas turine hall at l station phase- 1 station, jeel ali. technical s pecification 1.0#introduction duai electricity & water authority dewa owns & operates power and desalination plants at its power station complex in jeel ali. generation division of dewa operates and provides maintenance, repair and overhaul services for power generation and water production plants in dewa. safety, availaility, reliaility and cost have always een the most important priorit ies in dewa.# dewa wish to conduct detailed analysis on eot crane 90/25t through a contractor experienced in the field having requi red resources to identify the root cause of frequent main hoist rake and vfd failure, and also to identify the presentcrane design standard classification and suitaility for power plant requirements. 2.0 list of the crane 2.1 technical details of crane #m ake###:#konecranes #type###:#sm09/2f/39 # dgc #year of manufacture #:#2003 #serial no.##: #h 0420694 / 81532 #capacity ##: #90/25t #hol ###:#24.7 #span ###:#22 meters #dewa code##:#gtl-cr-900/001 # 3.0#scope of work crane inspection and identification. 3.1#p hysical verification of the complete crane including hoists components, trolley wheels, motors and gears, rakes, hook locks, wire ro pes, vfds, electrical components, girder welding mpi test, girder deflection test, gear drive motors, cale rollers, limit switches a nd fasteners etc. shall e thoroughly inspected. the test including third party inspection/ proof load test. the list of the tests recommended for this shall e included with the offer sumitted. the wear and tear found shall e compared with standard permissile limit s for the size and capacity of the crane. 3.2#all tests, welding mpi test, proof load test shall e arranged y contractor. scaffoldi ng/ man lifter, if any required to reach each component of the crane shall e arranged y contractor. 3.3#operating data/history of c rane required for the purpose of calculating dwp design working period will e provided y dewa. contractor after working class iden tification shall calculate the dwp using special software availale for the purpose, referring to international/local standard. 3.4# the report sumitted shall suggest the following: - a.#dwp design working period of equipment. .#therepair/replacements/modificat ion require to prevent rakes and vfd failure. c.#identify the present crane design standard classification and suitaility for power plant application. d.#root cause of hoist rakes and vfd failure reports to e sumit. e.#upon completion of survey detailed presentati on to e given y crane inspector on findings/recommendations. 4.0#permission to work at site 4.1#efore commencement of his work in the plant, the contractor should apply for ptw permit to work in the prescried form, otainale from dewa engineer concerned. only a fter approval of the ptw and isolation of the crane y dewa, the contractor is allowed to commence his work. 5.0#safety precautio ns: 5.1#welding, flame heating or cutting, grinding, pneumatic chipping, etc. shall ecarried out only on specific clearance from d ewa through #hot work permits#. the hot work permit shall e otained on daily asis. 5.2#while working on the crane, the contractor should arricade the area underneath the crane preventing movement of plant operators and maintenance personnel in the work area. 5. 3#operation or testing of the cranes shall e done only upon specific clearance and authorization y concerned dewa engineer. efore op erating the crane, it is required to ensure that the concerned staff are availale and it is safe to operate crane. operator having v alid license to operate eot crane will e permitted to operate cranes after sumitting relevant documents/ license etc. 5.4#the contr actor shall carry out risk/hazop analysisfor all his works. this risk analysis shall e from safety as well as occupational health considerations. he shall provide dewa with his safety plan efore commencement of work and shall otain clearance from dewa for this procedure. 5.5 all vehicles, special tools, rigging tools, inspection tools, temporary scaffoldings/platforms, ladders, test weigh ts etc., shall e inspected and tested y approved authorities and the contractor shall provide dewa with necessary certification efor e their use at site. 5.6 contractor shall adhere with dewa safety and environmental regulations. working at height will e done after using proper personal protections like safety elt, helmets etc as required. man asket used shall e in good condition andtested one. 5.7 the area of work shall e kept clean at all times efore, during and after the work. spillage and splashes s hall e avoided. in case this occurs, it should e cleaned immediately. 5.8 no wastes, detergents, thinners, paints, used luricant s, etc. shall e let to trenches, water collecting pits, each sand or sea in the plant area. all such wastes should e disposed off a s per the product safety data sheets of every waste and under approval y dewa and strictly in line with duai municipal regulations. 6.0#time schedule 6.1 the work should commence within 7 days from date of order confirmation. 6.2 the idder is required to indicate in a ar chart his time schedule for carrying out the crane inspection. 6.3# no load test y an authorized inspection shal l e done. 7.0 code of conduct for thecontractor#s staff ø#report duty in proper uniform printed legily with company logo and nor mal ppe such as helmet, safety shoe, etc. ø#all staff should use same type/color of uniform and ppe ø#carry identity card issued y dewa always and present the same at security gate and on demand. ø#always maintain discipline while oarding and alighting us for t ravelling to and from power stations ø#alight only at the location where the jo is assigned unless it is asked y concerned dewa sup ervisor. no unauthorized roaming around is permitted. ø#refrain from using process water for washing/drinking purpose as it may con tain harmful chemicals ø#keep food packets at air conditioned room and refrain from heating food using steam drains ø#do not ringin moile with camera inside plant area. ø#keep away from operating plants and equipment and do only the jo assigned y dewa supervis or ø#maintain proper duty timing ø#avoid unauthorized entry to control uilding, gas station etc. ø#get proper instruction efore w orking on acid and other chemicals. follow the work instructions and in case of dout, ask questions to clarify. ø#use ppe appropria te for the jo ø#do not engage in fighting or insulting with fellow worker and dewa staff ø#any prolem and emergency, during work, shall e communicated to concerned supervisor ø#dispose waste food, empty cups etc. only to the waste in specially provided for the purpose. ø#maintain proper discipline at work ø#use only allocated facilities and the route indicated to reach thosefacilities fo r prayer, food, wash, etc. as advised y dewa supervisor. please ask questions whenever in dout. contact mr. mohammed arif ansari tel : 0509825631

supply of v-elt; dunlop spz-1070, v-elt, spa 1407, dunlop make, v-elt; spa-1320; optieltemd - g

smart maintenance - dry ice last cleaning on selected 20 nos secondary sustations.project scope: using dry ice last technology to clean 20 live sustations under dewa supervision.all materials and measures required to do the maintenance inside & outside the susta tion, need to e provided y the contractor as per dewa requirement including proper storing, transporting & disposal of used material s in line with other concerned government authorities. note: workman compensation policy should e availale with the contractor. cont act person: irahim hussein a al alamy contact no: 04-32-29510/ 0529555366

supply of rotor dynamic alancing for hrsg# 82 feed water pump # model - horizontal, ring section 200hmr06, make - hhi shaft length: 2.695mts. max. dia of impeller: 435mm, weight 460 kg.contact mr. adulrahman yousef alshamsi tel; 0529222252

supply of fan lade, condenser fan lade, for cooline make packaged ac modelpl225lds, cooline part numer:80022423, low pressure switch, pressurestat, make: carrier, factory authorizedpart, model no: hk 02z 027, open: 27, oper press close: 60, conn elect30 leads, high pressure switch, make: carrier, factory authorized parts, model no:hk 02za 439, rating spst 2a@24v, 1/4 flare connection, ope p ress open426, close 325, conn elect 50 lead

supply of m- station desal # 41 evaporator water ox insulation need to e removed for inspection. after inspection insulation cover need to rei nstalled. om 1. rockwool lanket 100mm - 2 rolls 2. rockwool lanket 50mm - 1 rolls 3. ss. screws *scaffolding will e provided y dewa. contact mr. senthilkumar thirupathy tel: 04-81-61625

supply of nozzle, first stage ejector nozzle, part no. 1, material din. 2.4856 for vacuum system in m-station desal, drawing no. cne-001-06-f 16 m d 41189-rev-c, supplier : aprogetti, nozzle, second stage ejector nozzle, part no. 1, material din. 2.4856 for vacuum system in m-station desal, drawing no. cne-001-06-f 16 m d 41190-rev-c, supplier : aprogetti, nozzle, hogging ejector nozzle, part no. 1, material din. 2.4856 for vacuum system in m-station desal, drawing no. cne-001-06-f 16 m d 41188-rev-c, supplier : aprogetti

supply of rectify lower assemly defects pu3@garh contractor to remove the existing roken lower assemly. install new lower, pulleys, replace ot h earings, do necessary repairs on lower assemly and to do lower alignment/ alancing and replace v-elts. details of the package uni t: pu-3 equipment numer - 30347283 sustation - garh 132 kv manufacturer - sanyo model - spw-a 180gs serial numer - cunvf 0066m700771 88 15 tr serving area - control room contact person mr. fein moile - 055-8034924 warranty - 1 year, pu 1-3, lower assemly defects rectify sustation name - trmn 132 kv details of the package unit: pu-1-3 equipment numer - 30348086 mak e - cooline model - pl240ldsmknnccnncss serial - cqpzh0008m 20 tr lower, pulley shafts and earing/pillow lock to e replaced alignment and wheel alancing to e done after fixing with motor. warranty - 1 year for workmanship and materials supplied contact fein - m oile 055-8034924, faricate ase plates for pu 5 nos.@dadm make :carrier model :desert master 50tj-028-933s sample is availale for viewing contact mr. f arish moile - 055-9764652 quantity - 5 nos warranty - 3 months

supply of valve, deluge valve complete assemly, make minimax sfh, size 3##, type # 20204100, existing sr no.2024070-1992, dn 80, pn 12.5, 2 4 ar, flanged end, for fire fighting system, valve, deluge valve complete assemly, make minimax sfh, size 4##, type # 20204100, existing sr no. 204230-1992, dn 100, pn 12.5, f langed end for fire fighting system, valve, deluge valve complete assemly, make minimax sfh, size 6##, type # 20204100, model gg 25-1991 dn 150, pn 16, existing sr no 29204190-1992, flanged end, for fire fightingsyste, valve, deluge valve complete assemly, make minimax sfh, size 6##, type # 20204100, model gg 25-1991 dn 150, pn 12.5, flanged end, for fire fighting system, valve, deluge valve complete assemly, make viking, size 3##, fm approved, model f-1, mwp 250 psi, 16 ar, ul us listed 957a, for ph ii fire fighting system, valve, deluge valve complete assemlymake fluid-uk, size 3##, type # date 11/10-std-an150 68de 3 204 2/76577-230 psi pn-16, liste d 25 si; fm 2016 200wp for fuel tank fire fightingsystem., valve, utter fly valve complete assemly, make fivalco inc korea, size 2.5##, fm approved, wp 300 psi, ulc, mfg year 2009/ 7, ul lis t ed 19tn, for ph ii fire fightingsystem, valve, deluge valve complete assemly, make viking, size 2, fm approved, model e-1, mwp 175psi 12 ar, ul us listed 957a, vds g4920053 /54/55, en 12259-9 lpc for ph ii hfo tank 072 fire fightingsystem, valve, deluge valve complete assemly, make ascoa, size 4##, model 353, ul listed 448g, fm approved, flanged end for 400kv fire fight ing system, valve, deluge valve complete assemly, make ascoa, size 6##, model f, ul listed, fmapproved, flanged end for 400kv fire fighting sys tem