技工(土木)主要負責以下工作： (a)用戶服務系別: (i)修理和移除用戶處所的水錶；(ii)清理受堵塞的水錶；(iii)安裝和修理政府土地上細小的水管和裝置；以及(iv)建造磚沙井和水掣室。 (b)分配系別: (i)開關水掣；(ii)為配水管和水掣進行小型維修保養；以及(iii)油漆水掣指示器。 (c)供應及保養系別: (i)為配水庫消毒，以及清理排水渠和引水道的淤泥；(ii)操作和修理水掣，以及維修幹管；(iii)為行人路鋪面；以及(iv)油漆和修理標誌。 (d)濾水廠: (i)潔淨濾水廠和濾水池；(ii)為濾水廠進行小型維修；(iii)監控和調整化學品的投配；以及(iv) 協助濾水廠的運作，並按指示進行其他維修保養工作。 (註：受聘人或須(i)執行隨時候召、上班候命和緊急職務；(ii)在正常工作時間以外工作、不定時工作及 /或輪班工作；(iii)在偏遠地區、惡劣環境及 /或水塘工作； (iv)根據自行駕車計劃駕駛部門車輛；以及(v)穿著制服和防護衣物。因應空缺情況，受聘人員會被指派擔任上文(a)-(d)任何一項所屬的工作崗位。)

An Artisan (Civil) is mainly deployed on the following: (a)Consumer Services Stream: (i) fixing and removing water meters in consumers’ premises; (ii) clearing choked meters; (iii) installing and repairing small size water mains and fittings on Government land; and (iv) constructing brick manholes and valve chambers. (b)Distribution Stream: (i) operating valves; (ii) making minor repairs for and maintaining distribution mains and valves; and (iii) painting valve indicators. (c)Headworks Stream: (i) carrying out service reservoir sterilization work, and drainage channels and catchwaters desilting; (ii) operating and repairing valves, and repairing trunk mains; (iii) resurfacing footpath; and (iv) painting and fixing signs. (d)Treatment Works Function: (i) cleansing water treatment plant and filter beds; (ii) making minor repairs to water treatment works; (iii) monitoring and adjusting chemical dosings; and (iv) assisting in the operation of water treatment plants, and carrying out miscellaneous maintenance work as directed. (Note : Appointees may be required to (i)undertake on-call, standby and emergency duties; (ii) work outside normal working hours, in irregular hours and/or shifts; (iii) work in remote areas, harsh conditions and/or at reservoirs; (iv) drive departmental vehicles under the self-drive scheme; and (v) wear uniform and protective clothing. Subject to vacancies available, the appointees will be assigned to take up posts in one of the streams / functions as listed in (a)-(d) above. )