| 1 | Material and labour for cleaning of Raw Sewage Collection Sump having depth up to 10.0 meters of various sizes / capacities / shapes at Sewage Treatment Plants loacted at Ayodhya Cantonment area by dewatering and pumping out existing accumulated raw sewage from the underground by deploying external non-clog sewage disposal pump sets, including diversion of sewage to the nearby STP and/or disposal through approved municipal sewage tankers, as required at site and/or as directed by the Engineer-in-Charge; draining, isolating, and ventilating the underground sump and carrying out complete cleaning by strictly following all applicable safety measures and confined space entry procedures; removal of accumulated sewage, sludge, grit, silt, scum, rags, and other debris from the sump bottom, walls, benches, channels, and inlet/outlet zones by manual and/or mechanical means, including scrapping and wire brushing as necessary; washing and high-pressure water jetting of all internal surfaces to remove adhered deposits, followed by disinfection and deodorization using approved chemicals and final rinsing with fresh water to render the sump clean, hygienic, and fit for operation; collection, loading, transportation, and disposal of all removed waste materials at approved disposal locations in compliance with local environmental and statutory regulations. The item shall include provision of all labour, supervision, pumps, tools and tackles, safety equipment, PPE, ventilation arrangements, disinfectants, transportation, and all incidental works, complete in all respects as specified and as directed by the Engineer-in-Charge.
Note: (i) All type of T&P including portable non-clog pump / super soccer machine for pumping out residual water before cleaning and Labour etc shall be arranged by the contractor and rate for the same deemed to be included in the quoted rate. (ii) Contractor will dispose off the Sludge/ Waste material to a distance exceeding 1.5km but n. exc .2km outside MD land at isolated place as directed by Engr-in-Charge.] | 12.000 | Each Job |
