Rural Drinking Water And Sanitation Department Tender

code04 - Providing PVC ringtite pipes conforming to IS 4985:2000 with latest amendments and conveying to worksite, rolling and lowering into trenches, laying true to line and level and perfect linking at joints, testing and commissioning, including loading unloading at both destinations and cuts of pipes wherever necessary including jointing of PVC pipes and specials (excluding cost of specials) with jointing of approved type, with all labour with all lead & lift including encasing the pipe alround to a depth of not less than 15 cms. with soft gravel or selected earth available from the excavation etc. complete and giving necessary hydraulic test to the required pressure as per ISS (Contractor will make his own arrangements for procuring water for testing) etc. Complete for Piping and Valves for Bio filter bed and mechanical equipment. PVC pipes 32 mm dia, 10 kg/sqcm & class 5 Complete as per Technical Specification and direction of Engineer incharge of the Work.

code05 - Providing PVC ringtite pipes conforming to IS 4985:2000 with latest amendments and conveying to worksite, rolling and lowering into trenches, laying true to line and level and perfect linking at joints, testing and commissioning, including loading unloading at both destinations and cuts of pipes wherever necessary including jointing of PVC pipes and specials (excluding cost of specials) with jointing of approved type, with all labour with all lead & lift including encasing the pipe alround to a depth of not less than 15 cms. with soft gravel or selected earth available from the excavation etc. complete and giving necessary hydraulic test to the required pressure as per ISS (Contractor will make his own arrangements for procuring water for testing) etc. Complete for Piping and Valves for Bio filter bed and mechanical equipment. PVC pipes 50mm dia, 6 kg/sqcm & class 5 Complete as per Technical Specification and direction of Engineer incharge of the Work.

code06 - Chain and pulley arrangement for pump lifting and operation and maintenance works. Suitable length up to depth of sewage collection tank is provided with load bearing strength of 200 kg MOC: - MS Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code07 - Submersible Pump for transferring Sewage from collection tank to vermi-bed with required solid handling capacity to work efficiently. Capacity 0.5 cum per hr. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code08 - Food grade crates for media filling and vermicompost or specific material sheet for handling. Size OD.600X400X160 ID.565X365X155MM for media filling. The crates has perforation that allows water to flow and hold wooden chips and Vermiculture within it acting as filter bed topmost layer. Material of construction of crates is uPVC with longlasting life and corrosion resistant or suitable caging orsupportwill be provided in case for handling of wood chips as during maintenance. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code09 - Bar screen for removal of large size solids, wood, glass etc. Bar screen for removal of floating debris, larger size solids, woods, plastic etc. same is provided to avoid choking of pump. The spacing between the two-bar mesh is 6mm. The material of construction of the same is SS304 with size of 0.75 m W x 0.75 mD Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code10 - Strainer/ Filter for silt removal Strainer / Filter acts as micro filter for silt removal. In order to reduce solid rates and to avoid choking of sprinkler provided at filter bed. 450-micron size strainer is provided to handle 5 m3/hr flow with uPVC eq. Material of construction. Cl. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code11 - Sundry Items: -Rotameter for flow measurement the flow measurement of plant is carried out by Rotameter. Capacity to measure 0 to 5 m3/hr of flow installed at common/main header pipe that serves as inlet to filter bed. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code12 - Organic Media to support vermicompost and filtration Popular plant crushed wooden chips of size 10 to 15 mm is used to fill up the filter bed within the crates. The wooden chips serve as means of support to enhance vermicompost and filtration of sewage. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code13 - Biofilter Bed Covering with green cloth and MS Structure 3x3 mtr. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code14 - Vermi-filter Bed MS Structure for Installation of Crates, Inorganic and Organic Media. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code15 - Enzymes for earthworm breeding. Rich nutrient content enzymes are used for multiplication of earthworms only at initial stage. High in nitrogen content and other organic matter supporting growth of earthworm culture. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code16 - Earthworms Specific culture of worms Eisenia Fetida is adopted for treating the sewage. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code17 - Inorganic Media / Stone pebbles filtration bed Stone Pebbles of size 50 -65 mm is used as one layer for filtration by gravity within filter bed. Crushed stones/coarse sand of size 5 -10 mm is used as one layer for filtration by gravity within filter bed. Stone aggregate of size 10 -25 mm is used as one layer for filtration by gravity within filter bed. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code18 - Ozone generator Ozone used as high-capacity oxidant having multiple benefits over chlorine system. Ozone generator of capacity 5 gms/hr ozone production is adopted with suitable venturi injection system to mix ozone in Biofilter treated water along with suitable recirculation pump required to create pressure difference within injection system to ensure proper mixing of ozone and water. -VENTURI INJECTION SYSTEM - 1 NOS -BOOSTER SYSTEM - 1 NOS -OXYGEN CONCENTRATOR OR COMPRESSOR UNIT - 1NOS -OZONE GENERATOR - FULL CAPACITY - 1 NOS -CHILLER UNIT IF REQUIRED - 1 NOS -PIPING AND FITTINGS. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code19 - MCC Panel & Electrical works Electrical panel with 4 feeders for electricity distribution with in all mechanical equipment’s. All kinds of cables, wiring and cable trays as required for the system. Stabilizer for ozone system is adopted. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code20 - Transportation, Erection & Commissioning of complete 10 KLD Bio filter system. Pumps/ Ozone system/ Bio filter bed/ Inorganic and organic media/ Piping and fittings/ Wiring and cablings etc. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code21 - Underground HDPE Tanks. (3KL) Raw Sewage collection Tank & Treated Water Tank are to be installed underground with proper hydraulics measurement. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)

code22 - Supply & Installation of Signages, Guide maps, Instruction boards at various location. Complete as per Technical Specification and direction of Engineer incharge of the Work. (rates approved by SE RWSSD Bangalore Circle vide letter no:764/2023-24, D:01.02.2024)