Valves and Appurtenances. The details and specifications of the various types of valves and appurtenances to be used in the distribution system are contained in this subsection. General Throughout erection, the valves shall be supported properly on wooden sleepers, etc. and shall be concreted immediately thereafter, as directed. Before the valves are actually fixed, they shall be cleaned and greased and it shall be verified that all parts are in perfect working condition. In the case of air valves, the Contractor shall take special care of the dexine joints and the ebonite and /or vulcanite balls until they are fixed in position. They shall be kept immersed in water in suitable containers. The work of installing valves shall be carried out carefully so as not to damage them during handling, erection and fixing. The work shall be executed in a xxxxxxx like manner under the direction of Employer’s Representative.
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Samples: gmdwsb.assam.gov.in, gmdwsb.assam.gov.in, gmdwsb.assam.gov.in
