GEAFU-41/2026-27 REPAIR / MAINT TO SEWAGE LINE, MANHOLES, SEPTIC TANK, SOAKAGE WELL AND OTHER CONNECTED WORKS AT AF STN NATHATOP UNDER GE (AF) UDHAMPUR

De-sludging & Cleaning of septic tanks, manhole, sludge chamber etc by manual digging out and fitting of concenteated sludge including dewatering and cleaning, removing silt , sludge, sludge water and any other forign materials and depositing the same into excavated pits exceeding 1.5 m depth at places n. exc 100 m as directed by Engr-in-Charge . Returning and filling in excavated earth after deposting sludge including sludge water and sprinking bleaching powder over surrounding area and removing surplus excavated soil near areas complete all as specified and as directed.

Cleaning of drain pipes by roding from manholes to manholes and well flushing with water after cleaning (length not exceeding 50 metre from manhole to manholes or septic tank) including taking off manholes cover, placing in portion the same after cleaning and removing the waste material and burying in pits to a distance exceeding 50 metre but not exceeding 100 metre complete all as specified and as directed by Engineer-in-Charge including cost of making pits and covering the same by spreading earth , for any dia of pipe.

Taking out old brick bats of any size from filter bed, segregating serviceable brick bats & unserviceable brick bats removing the waste materials from site and cleaning surface of serviceable brick bats by flushing with water , keeping aside serviceable brick bats for reuse complete all as specified and directed.

Labour only loose filling with old brick bats into the filter bed complete all as specified and directed.

Material & Labour only loose filling with broken brick aggregate of gauge 80 to 150 mm into the filter bed complete all as specified and directed.

Cleaning of water blockage from water closet to Ist manhole and disposal of waste removed from Air Force Area, complete all as directed all as directed.

Cleaning of blocked gully trap of any size and disposal of waste removed from Air Force Area compete all as directed all as directed.

Excavation in trenches not exc 1.5 mtr wide and not exc. 1.5 mtr in deep for sewage lines/manholes etc.n.exc 10 sqm on plan and getting out in any type of soil.

Returning filling including spreading watering and well ramming in layers n.exc 25cm thick in hard/dense soil.

Removing excavated soil to a distance n.exc 50m & depositing where directed at a level n.exc 1.5m above the starting point.