O and MSewerage SchemesRunning Contract 2026Removing Silt and other unhygienic matters from the Grit Chamber Suction well Collection well etc at Thaliyal Mudavanmugal Arannoor Enchakkal Kalladimugham Pump housesSewerage Work

Appendix A

OD256344/2025-2026:Removing silt and other unhygienic matters deposited in the open wet well, grit chamber, stilling chamber etc including lifting the same to outside of well, grit chamber and disposing as per direction of departmental officers including all hire charge of tools, materials, breathing apparatus and other safety measures required for labour working in foul gas/sewage conditions inside the well etc complete. Depth upto 6m. (Mudavanmugal, Arannoor and Enchakkal pump houses well and Grid chamber, Kalladimugham pumphouse grid chamber, stilling chamber at Perunelli and Aqueduct at Perunelli)

OD256342/2025-2026:Removing silt and other unhygienic matters deposited in the partially open sewage wet well etc. including lifting the same to outside of well and disposing as per direction of departmental officers including all hire charge of tools, materials, breathing apparatus and other safety measures required for labour working in foul gas/sewage conditions inside the well etc complete. <br>Depth upto 9.0m - Thaliyal New Pump House and Kalladimugham Pump house.

100.98.1035:Engaging sewer man.

2.31:Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared

OD256343/2025-2026:Supply of Personal Protective Equipments for workmen for a period of 6 months, including<br>1).Water proof Rubber /Neoprene gloves to avoid body contact with septage/ sewage - 6 pairs .(The gloves should<br>be conforming to IS 15354;2003). 2) Liquid proof coveralls to avoid clothing / body contact with septage /sewage- 2<br>nos , 3) Protective face mask and splash- proof Face shield. to protect nose and mouth from splashes of septage/<br>sewage - 18 nos ( The face mask should conform to IS 14746:1999 Standers ), 4) Goggles:To protect eyes from<br>splashes of septage / sewage into eyes - 2 nos. (The goggles should conform to IS 5983:1980 Standers), 5) Knee<br>length Rubber Boots to avoid body contact with septage / sewage - 2 pairs . (The boots should conform to IS 3976:<br>2003 and IS 15298;2011 Standards), 6) Safety Helmet - 1 no. (The helmet should conform to IS 2925 Standards), 7)<br>Reflective jacket - 2 nos

OD256350/2025-2026:Cleaning and removal of accumulated slit, silt and sludge from sewage/wet well by mechanical/manual means, including supply of trained manpower with safety measures, dewatering, loading, transportation up to 15 km lead, and safe disposal at an approved dumping location finalized by the contractor as per local body/PCB norms; complete with all labour, tools, fuel, supervision and site cleaning, measured in cubic metres of sludge actually removed.