All Inclusive Comprehensive Maintenance Contract of Water Treatment Plant at Silchar Airport for 2 Years

Amount

AICMC of Chlorine Dozer including supply and dozing of chlorine as per requirement of the system i/c attending faults / breakdowns rectifications, ensuring serviceability / satifactory working condition of the systems, preventive maintenance on monthly/ quarterly/ half yearly/yearly basis as per AAI schedule, maintenance of records/documentation etc. as per scope of work ensuring serviceability round the clock complete as required. Details of existing chlorine dozing system is as follows: Make: E Dose Tank Capacity : 100 Litres. Solution: 1 charge of Chlorine solution. Supply Voltage: 230 volts AC (+20%) 50HZ. Suction Tubing: 4/6 mm. Discharge Tubing: 4/6 mm. Dosing rate: 30 lph at 4 kg/cm2. Strokes/Minute: Max. 400, Min.60/50. Fuse: 600mA

AICMC of Soda-Ash Dozer including supply and dozing of Soda-Ash for pH correction as per requirement of the system i/c attending faults / breakdowns rectifications, ensuring serviceability / satifactory working condition of the systems, preventive maintenance on monthly/ quarterly/ half yearly/yearly basis as per AAI schedule, maintenance of records/documentation etc. as per scope of work ensuring serviceability round the clock complete as required. Details of existing Soda-Ash Dozer system is as follows: Make: CHAMINJECT MM – 1 simplex plunger type chemical dosing pump cap. 200 ltrs / hr @ 4 kg back pressure 02 ® make constant flow gravity dozer system in SS 316 construction ( cap 40 ltrs ) for dosing to raw water open channel

AICMC of PAC Dozer i/c supply and dozing of PAC for Coagulation as per requirement of the system i/c attending faults / breakdowns rectifications, ensuring serviceability / satifactory working condition of the systems, preventive maintenance on monthly/ quarterly/ half yearly/yearly basis as per AAI schedule, maintenance of records/documentation etc. as per scope of work ensuring serviceability round the clock complete as required. Details of existing PAC Dozer system is as follows: Make: CHAMINJECT MM – 1 simplex plunger type chemical dosing pump cap. 200 ltrs / hr @ 4 kg back pressure 02 ® constant flow gravity dozer system in SS 316 construction ( cap 40 ltrs ) for dosing to raw water open channel.

Complete replacement i/c refiling with new filter media (Coarse sand, Quartz Sand, Gravels & Pebbles-3 grades) of pressure sand filter having dimension as follows: (a) Diameter : 63” (b) Height : 86” (c) Opening : 6” Top & Bottom (d) Base : Tripod

Complete replacement i/c refiling with new filter media (16/32 Baraka Sand, Zeosorb Micronic media Gravels & Pebbles-3 grades) of DUAL MEDIA MICRONIC Filter having dimension as follows: (a) Diameter : 63” (b) Height : 86” (c) Opening : 6” Top & Bottom (d) Base : Tripod

Complete replacement i/c refiling with new filter media (Best quality activated carbon, Gravels & Pebbles-3 grades) of Dual ACTIVATED CARBON Filter having dimension as follows: (a) Diameter : 63” (b) Height : 86” (c) Opening : 6” Top & Bottom (d) Base : Tripod

Complete washing with suitable washing agent i/c removing of all types of dirt, deposition of mud/iron etc. of Storage Water Tank of capacity 10000 Ltrs. complete as required.