Rehabilitation works for the sewerage network in Ma’arrat al-Nu’man city for sewage lines with diameters of (20 – 30 – 40 – 50 – 60 – 80) cm and a total length of 8,000 linear meters. This includes excavation works with a volume of 20,000 cubic meters, and jetting (cleaning/unclogging) works with a length of 7,000 linear meters. The scope encompasses all works from supplying materials to the site, excavation, backfilling in layers, installation and replacement of pipes and fittings, constructing and rehabilitating manholes with the necessary covers and frames, disposing of waste and debris resulting from the execution, and reinstating the site to its original condition, along with all ancillary works, supplies, accessories, and everything required.