tender for flushing/cleaning of various bps urgs at gk-i ward under greater kailash constituency. , flushing /cleaning of 12 nos. ugrs at g.k.-i ward under greater kailash constituency as given below: 1. kailsh hill bps 2. hemkunt colony bps 3. chirag enclace bps 4. epr colony gk enclave -i bps 5. pomposh enclave bps 6. dda flat masjid moth ph-i bps 7. dda flat masjid moth ph-ii bps 8. dda flat panchsheel enclave bps 9. panchsheel park oht bps 10. dda flat shahpur jat bps 11. mount kailash bps 12. kailash kunj bps cleaning of underground sump, over head reinforced cement concrete tank (independentstaging) including disposal of slit and rubbish, all as per direction ofengineer-in-charge. the cleaning shall consist following operations:- (i)tank shall be emptied of water by pumping & bottom shall becleaned of silt and other deposits. (ii) entire surface area of the sump shall then scrubbed thoroughlywith wire brush etc. and pressure washed with water. (iii) chlorination of reinforced cement concrete internal surface by liquid chlorine. (iv) the treated surface shall be dried using air jetting and all looseparticles shall be removal from the surface. (v) finally the surface shall be treated with ultraviolet radiation etc.as per direction of engineer-in-charge.