Special repair works to sewage treatment plant rear side of the central prison -0.55 MLD at Central Prison Vellore in Vellore District under maintenance of prison buildings and staff quarters for the year 2025-2026

Draining of Stagnant Sewage of in all the collection and Process tanks using Tankers for 1 Kilo Liter and as directed by the departmental officers.

Supply and Fixing of after dismantling the existing pump, Non Clog type Submersible Raw Sewage Transfer Pump from Collection Tank of Capacity 30 KLPH @ 10 m Head

Dismantling of existing Diffusers in Equalization tank and Placing UPVC SCH 40 1.5” Pipes along with Requires Fittings like Tee Joints, Elbows and Valves for Air Mixing for Entire Tanks from the Blower with Slatter Arrangements

Servicing, overhauling, testing, and commissioning of Air Blower of Kay Make, capacity 1000 m³/hr @ 0.4 bar, including dismantling, inspection, supply, replacement,

Servicing, overhauling, testing, and commissioning of Air Blower Electric Motor – 1500 RPM, including dismantling, inspection, replacement of worn-out parts, reassembly, lubrication, testing and performance check.

Servicing and commissioning for suitable for 1.0 hp geared motor (output shaft should be downwards) impeller and shaft and impeller speed shall be 100 RPM. GI canopy shall be provided for motor.

Dismantling and removal of existing air blower compressed air line. Dismantling and removal of existing air blower pipeline including pipes, bends, fittings

Providing, fabricating, supplying, laying, fixing, testing, and commissioning of 8 inches and 6 inches Dia a) 8"

Dismantling of existing Diffusers in Aeration tank and Placing New Fine Bubble Tubular diffusers at the size of 90mm diameter x 1000 mm Length

Supply and Fixing of after dismantling the existing pump, Non Clog type Centrifugal Sludge Recirculation Pump from Settling tank bottom of Capacity 1 HP 10 KLPH @ 10 m Head

Supply and Fixing of after dismantling the existing pump, Centrifugal Filter Feed Pump from Collection Tank of Capacity 30 KLPH @ 30 m Head and 7.5 HP with Density upto 1000 Casing

Servicing and commissioning of existing MSEP fabricated pressure sand filter made of mild steel plate with top and bottom dishes, dia 200mm mild steel bell mouth

Servicing and commissioning of existing MSEP fabricated Activated Carbon filter made of mild steel plate with top and bottom dishes, dia 200mm mild steel bell mouth internal piping arrangement (top), dia 200mm mild steel header

Supply and commissioning of 0.1 HP 6 lph at 6kg/cm2, electronic diaphragm type Dosing pump in E-dose / Equivalent make with HDPE tank for preparation of chemicals 50 litres capacity.

Servicing of floor mounting type vermin, weather and dust proof powder coated factory made L.T. Cubical panel board

Servicing and commissioning of existing Treated Water Centrifugal pump for Garden water transfer the pump having CI body and CI

Providing, fabricating, supplying, laying, fixing, testing, and commissioning of 1 inches, Dia air line piping in CPVC MOC along with Providing and fixing all required such as Elbows, bends, tees, reducers, for Air lines inside the Equalization and Aeration tank.

Supply of highly active, non-pathogenic aerobic microbial culture containing a consortium of bacteria suitable for degradation of organic matter. Culture shall be suitable for:Reduction of BOD, COD, TSS & Improvement of treatment efficiency and sludge settling characteristics.

Supply of commercial grade Sodium Hypochlorite solution, suitable for water and wastewater disinfection. The solution shall have available chlorine content of not less than 5% and as directed by the departmental officers.

Providing services for Training to the Operators, stabilization of Sewage Treatment Plant (STP) of capacity 550 KLD

Plastering with CM 1:5 (One of cement and five of crushed stone sand including Mortar Plasticizer (Liquid) at 200ml per bag) 12mm thick

White washing two coats using clean shell lime slaked including cost of lime, gum, blue, brushes, including scaffolding and scrapping the surface etc., complete in all respects.

Painting the walls with two coats of approved emulsion paint over old wall surfaces etc.,

Painting the old iron work with one coat and other similar works such as PVC/ASTM pipes,

Painting the new Iron work and other similar works such as PVC /ASTM Pipes, Kerb Stone and grills with two coats

Supplying and fixing Mild Steel grills as per the design approved to verandah enclosure or gate including one coat of primer and labour for fixing in position etc. all complete

Supplying and fixing of 4mm thick pin headed Glass panels with aluminium anodised ‘U’ shape beeding of size 12x12mm with 107 gram

supplying and fixing of 4' 18 watts crystal LED tube light and fixing the tube light fittings on teak wood round blocks of 75mm dia or 40mm deep

supplying and fixing of 25 WATTS Bulb lamp with street light fittings

Supply, delivery and fixing of 200 Amps triple pole main switches fuse unit

Supplying and fixing 3 No 200 Amps 500 volts grade/ well porcelin fuse unit

Supplying and delivery of following PVC aluminium armoured LTUGcable (PVC aluminium armoured LTUG 1100v grade) with isi mark a. 3.5 core 50 sq.mm.

Labour charges for laying of PVC aluminium armoured LTUG cable on post and wall to make good etc., all complete complying with relevant standard specifications Above Ground level

Labour charges for laying of PVC aluminium armoured LTUG cable in a trench to a depth of 0.75m including earth work excavation, providing sand cushion, brick layer protection and refilling etc., all complete Below Ground level

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