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caliration & refurishment for attery discharge test kit make isa, type elu 200-external unit

1#scope of work and technical specifications: services for replacement of complete transformer oil & leak rectification of three re ctifier transformers at g station. the detailed scope of work is as follows: 1.#introduction & general requirement: a#the work sha ll e at the contractor workshop, shifting the transformer to /from the contractor#s workshop/g station, loading, unloading shall e under contractor scope. the required rigging tools such as slings, lifting hooks etc under contractor#s scope. dewa shall arrange f orklift & portale crane for the unloading & loading of transformers with a prior request. the offer for this shall e given as option -1. alternatively, the work can e carried out at site in the transformer ay itself. this shall e offered as option-2. #drain theoi l & store in the empty container for disposal. empty container /storage tank required for the jo shall e in contractor#s scope. c#i nject and maintain the nitrogen pressure so that winding is not exposed to atmospheric air. d#keep the tank & core coil assemly und er vacuum for 3 to 4 hours to remove any moisture. e#replacing all gaskets, o-rings etc. to arrest the leakages of transformers men tioned in the annexure-1. f#after the leak rectification, flush the transformer tank to remove the sludge#s & refill the transforme r tank with new oil. new oil will e supplied y dewa. g#after replacing the gasket & oil. the oil filtration shall e carried out til l dv reached greater than 60kv and moisture content is less than 5 ppm. h#attend any minor leakage along withreplacing oil rings. any other parts such as hv/lv ushings, ucholz relays etc found damaged during work shall e arranged and replaced with in the schedul e y the contractor on urgent asis after dewa approval. spares will e supplied y dewa. i#take oil sample to confirm the acceptale re sults. oil will e tested at dewa la. j#discuss the final report with dewa representative. k#after the successful completion of the jo, transformer shall e painted with non-corrosive paint. paint shall e provided y the contractor. l#the contractor shall provide systematic procedure for carrying out the aove jo along with the offer. m#the contractor shall provide their past references of car rying out similar jos. 3.#general conditions a#the prospective supplier may visit thesite to check the site conditions and the jo requirements. plant/site visit and correspondence shall e communicated y email to mr. jithesh assistant engineer em g jithesh.tho mas@dewa.gov.ae with copy to mr. mahmoud, sr. engineer-em, mahmoud.adella@dewa.gov.ae and mr. ramasuramanian t s, m-em g, ramasura manian@dewa.gov.ae. the contractor may contact with mr. mahmoud tele: 04-8044694, mo: 055-8906121, mr. jithesh tele: 04-8044783, mo 055-9871857. #all the tools, manpower, and materials required for the work shall e arranged y the contractor. the instruments, whi ch are required for this work, shall have valid caliration certificate. c#forklift & crane facility will e provide only for loadin g & unloading of materials with at least one day prior notice. d#contractor shallprovide the time schedule/ar chart indicating eac h activity on receipt of order. e#contractor shall aide y the safety and security rules/ regulations in- force at the power station s. f#disposal of used oils & any other y products of this jo shall e under contractor scope. g#work shall e carried out in a neat, orderly and safe manner. h#the permit to work shall e arranged y dewa. i#any other parts i.e. hv/lv ushings, found damaged during the work shall e arranged and replaced within the schedule y the contractor on urgent asis after dewa approval and same shall e rei mursed as an additional scope. j#unless specified, the contractor scope shall cover all the items required for completing the jo i n time with safe manner. k#any other partsi.e. hv/lv ushings, found damaged during the work shall e arranged and replaced within t he schedule y the contractor on urgent asis after dewa approval and same shall e reimursed as an additional scope. 4.#safety precau tions. a#the contractor at dewa work premises shall follow dewa safety and environment policy, rules and regulations during the con tract period. #the contractor shall carry out risk assessment for all works. this risk assessment shall e from safety as well as oc cupational health considerations. c#toolox talks shall e given to work men y their supervisor, copy of which shall e given to dewa. d#no welding, flame heating or cutting, grinding, pneumatic chipping etc shall e carried out without specific clearance from dewathrough #hot work permits#. the hot work permit if required shall e otained on daily asis. e#the contractor shall at no time keep i nflammale sustances in the plant /work areas. f#all hazardous wastages shall e moved under direction from and written approval to d ewa special storage area. g#the contractors work will fall within the preview of safety surveys conducted regularly y the dewa safe ty section. h#all the workers should wear necessary ppe required for the jo wherever as applicale. 5.#terms of payment: as per dewa terms and conditions 6.#warranty : a#one year guarantee shall e given for the material supplied & jo carried out y the contractor . #the guarantee will take effect from the date of takeover of the entire system. c#when a defect is noticed on the jocarried out during the period of warranty, the contractor must rectify the fault within a reasonale amount of time fixed y dewa with no claims or compensation. after replacement of the faulty part or rectification of the fault, warranty of the concerned part shall e restarte d for two years. 7.#penalty : as per dewa terms and conditions. annexure-1 slno.#kks#description & location#manufacture# 1#00lt11# 850kva, rectifier transformer electro chlorination plant# frem, italy# 2#00lt12#850kva, rectifier transformer electro chlorination pl ant# frem, italy# 3#00lt13#850kva, rectifier transformer electro chlorination plant# frem, italy# contact mr. jithesh assistant engin eer em g jithesh.thomas@dewa.gov.ae with copy to mr. mahmoud, sr. engineer-em, mahmoud.adella@dewa.gov.ae and mr. ramasuramanian t s, m-em g, ramasuramanian@dewa.gov.ae. the contractor may contact with mr. mahmoud tele: 04-8044694, mo: 055-8906121, mr. jithe sh tele: 04-8044783, mo 055-9871857

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