Annual Plan-Malappuram DP (2024-25), Project No 611-25 -Water Filter And Related Works For Irringavur IHDP Colony - Cheriyamundam-General Civil Work (Retender)

Amount

Construction of Basement

2.7.1:Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.Ordinary rock

50.6.7.1:Laterate masonry with neatly dressed laterate stone of size 40x20x15cm or nearest size in cement mortar 1:6 for foundation and basement including all cost of materials, labour charges etc.

2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

OD520869/2024-2025:Engaging coolie for carriage of laterite stone, coarse and fine aggregates ,cement ,steel, equipments etc from road to work site

OD531311/2024-2025:Providing and fixing Granite of any colour and shade for name board,of required size laid over base of cement mortar 1:4(1cement:4coarse sand)including all charges etc complete at all levels including lettering and fixing

Water treatment system

OD518152/2024-2025:Supply, erection, testing and commissioning,of providing and fixing fibre reinforced polymer weather proof protection material including jointing of pipes with step solvent cement testing of joints providing fixing of UPVC pipes and completing as per direction of Engineer in charge. Aeration is the process of introducing air into the raw water collected from the water source provided and adding oxygen into the water to increase the oxygen demand in the raw water,which helps to increase the oxygen level, remove odour, pollutants and improve the overall quality of the raw water, clarifier system helps to separate the suspended solids in the water. The aeration system fixing inside the clarifier as three steps one inside another one as multi-layer chamber on the top of the clarifier, water pumped to the top chamber of the multi-layer clarifier system water source mixing the oxygen water flows to the clarifier chamber, this consider as the preliminary treatment with all electrical and plumbing fittings Spec: Height – 300cm Width – 160cm Capacity 6000L Inner chamber 1. 90cm dia.,330cm height Inner chamber 2. 60cm dia., 360cm height 63mm schedule 40 upvc

OD520407/2024-2025:Supply, erection, testing and commissioning of providing and fixing fibre reinforced polymer weather proof, PSC is an essential component in water treatment, primarily used to remove settleable solids and reduce suspended particles before further processing. It helps eliminate heavier particles through sedimentation, reducing the load on downstream treatment systems. By removing organic solids, it also lowers Biological Oxygen Demand (BOD), improving the efficiency of biological treatment. Additionally, the clarifier acts as a pre-treatment stage, minimizing sediment and particulate matter before water reaches filtration units, thereby preventing clogging and extending filter lifespan with all electrical and plumbing fittings Spec: Height – 300cm Dia – 160cm Capacity 6000L

OD520406/2024-2025:Supply, erection, testing and commissioning of providing and fixing fibre reinforced polymer weather proof protection material, FFT plays a crucial role in the water filtration process by serving as an intermediate storage unit that regulates the flow of water into filtration systems. It ensures a consistent and controlled water supply to filters, preventing fluctuations that could impact filtration efficiency. FF tank helps in equalizing flow rates, reducing sudden pressure variations that might damage filtration equipment. Additionally, it allows for the settling of any remaining suspended particles before filtration, improving filter performance and lifespan with all electrical and plumbing fittings Spec: Height – 300cm Dia – 160cm Capacity 6000L

OD520405/2024-2025:Supply, erection, testing and commissioning of providing and fixing fibre reinforced polymer weather proof protection material including jointing of pipes with step solvent cement testing of joints providing fixing of UPVC pipes and completing as per direction of Engineer in charge. PSF removing suspended solids, turbidity, and particulate matter. It operates under pressurized conditions, forcing water through a bed of sand media to trap impurities and produce clear water. consists of multiple layers of filtration media, typically arranged in a descending order of particle size to enhance efficiency. At the top, an inlet distributor evenly distributes water over the filtration bed. The filtration media usually comprises a top layer of coarse sand or anthracite, followed by medium sand, and a bottom layer of fine sand or gravel, which supports the upper layers and ensures proper filtration. Beneath the filtration media, a set of underdrain laterals or nozzles helps in collecting the filtered water while preventing media loss. The system also includes a backwashing mechanism, which reverses the water flow periodically to clean the filter bed and remove trapped impurities with all electrical and plumbing fittings Spec: Height: 200cm Capacity: 2000L/hr

OD520404/2024-2025:Supply, erection, testing and commissioning of providing and fixing fibre reinforced polymer weather proof protection material including jointing of pipes with step solvent cement testing of joints providing fixing of UPVC pipes and completing as per direction of Engineer in charge. IRF is a specialized filtration system designed to eliminate excess iron, manganese, and other metallic impurities from water. High iron content in water can cause reddish -brown stains on sinks, clothes, and fixtures, as well as an unpleasant metallic taste and odo ur. The filter works by oxidizing dissolved iron (ferrous) into insoluble iron (ferric) particles, which can then be trapped by the filtration media. This process prevents iron buildup in pipelines, appliances, and water systems, ensuring cleaner and safer water for consumption and use. IRF consists of multiple layers of filtration media, each serving a specific purpose. The top layer typically contains oxidation medias which promotes the conversion of ferrous iron into ferric form. Below this, layers of graded sand gravels act as a support structure and help trap iron particles as water flows through with all electrical and plumbing fittings Spec: Height:200cm Capacity: 2000L/hr

OD520403/2024-2025:Supply, erection, testing and commissioning of providing and fixing fibre reinforced polymer weather proof protection material including jointing of pipes with step solvent cement testing of joints providing fixing of UPVC pipes and completing as per direction of Engineer in charge. GACF used to remove organic contaminants, chlorine, bad odours, taste, and harmful chemicals such as pesticides and volatile organic compounds (VOCs). The highly porous structure of activated carbon provides a large surface area for adsorption, allowing it to trap and retain impurities as water flows through. The GAC filter consists of multiple layers of filtration media, carefully structured for maximum efficiency. The topmost layer is typically a distribution plates or plates, which ensures even water flow across the filtration media. Below this, the granular activated carbon serves as the primary adsorption medium, trapping impurities and improving water clarity. Beneath the carbon bed, supporting layers of fine sand and gravel help in stabilizing the carbon and prevent media loss with all electrical and plumbing fittings Spec: Height: 200cm Capacity: 2000L/hr

OD524374/2024-2025:Supplying and erection of electrically driven best quality reputed make ISI marked, open well pump set having bronze impeller stainless steel shaft capable of discharging required Ipm against a total required head including all accessories such as panel board, main switch, suitable starter, suitable size flat cable, wiring materials delivery pipe, The warranty shall be for a minimum period contract. Including all fittings cable, foot valve, panel board with main switch, fuses, ELCB, starter, earth pipe etc. 1.Filter feed pump 220V/50Hz 1.5HP 2.Clear water pump 220V/50Hz 1.5 HP 3.Digital solenoid 10LPH 4kg/cm2 Chlorine Dosing unit, It includes a chlorine storage system,such as cylinders, tanks, or drums, to hold liquid chlorine or sodium hypochlorite. The dosing pump system, typically using diaphragm, peristaltic, or plunger pumps, regulates the chlorine flow, controlled via a pump control panel. The flow and injection system features an injection quill, non-return valve, flow meter, and pressure relief valve to ensure proper mixing and prevent backflow with GSM module mobile controlled ON/OFF automatic systems

Bidder Name

ALUNGAL TRADING COMPANY