Overhauling of STP Plant and Sewer System at 145 Bn HQ Old NSG Camp Digberia under SHQ BSF Kolkata

Amount

Sub Heading 1

Rectification of 65M/Cub Everest make Air Blower with Housing alongwith repacement of Gasket, Penium & Lobe re-metaling, Polishing & re-alignment, replacement of Ball Bearing set of pump & filling of new Gear oil & 2 Nos V-Belt change including replacement of minor electrical defactive parts so as to make the pump operational with refixing the pump and motor after repair (all items of approved make ) per direction of Engineer-in-Charge

Servicing of 2 Nos. Kirloskar make Air Blower 3HP, 2.2Kwh. Motor with new Bearing replacement, Copper coil heat vernishing & heating with materials & Labour except winding including replacement of minor electrical defactice parts to make the motor operational with refixing the same (all items of approved make ) per direction of Engineer-in-Charge

Rectification of 2Hp/1.5 Kwh Pump & Motor with new Bearing replacement, Copper winding with pump section Impeller servicing & Gland packing fixing ( EQT Pump ) to make the motor operational with refixing the same (all items of approved make ) per direction of Engineer-in-Charge

Rectification of Kirloskar make 1HP, 0.75kwh. Motor with new Bearing replacement, Copper coil heat vernishing, heating with Pump section impeller servicing, Gland packing apply with materials & Labour except winding. ( Re- Circulation/ Sludge pump. ) to make the motor operational with refixing the same (all items of approved make ) per direction of Engineer-in-Charge

Rectification of Kirloskar make 2HP, 1.5kwh. Motor with new Bearing replacement, Copper coil heat vernishing, heating with Pump section impeller servicing, appling Gland packing with materials & Labour except copper coil winding. ( Filter Feed pump )to make the motor operational with refixing the same (all items of approved make ) per direction of Engineer-in-Charge

Providing and fixing of 600x1000mm Sewage Water Mechanical Bar Screen with SS304 Grade material designed for Industrial Sewage Treatment Plants with necessary nut bold or accessories including removal of existing bar screen per direction of Engineer-in-Charge

Supply & installation of 6LPH.4Kg/Cm2. Chemical Dosing pump with necessary delivery pipe & power supply and making necessary connections as per direction of Engineer-in-charge.

Supply and filling by replacing existing of Multi Grade filter having layers (4+2= 6 layers of media ) of pebals & gravals over the sand layers i.e. coarse sand and fine sand respectivelty to make it functional including disposal of existing media and carriage involved for all materials complete as per direction of Engineer-in-Charge Fine/natural sand 2 to 1 mm, 200 Kg Coarse/filteration sand 8 to 3 mm, 50 Kg Gravals 15mm to 8mm, 50 Kg Pebals of 25mm to 15mm, 50 Kg Pebals of size 40mm to 25mm, 100 Kg

Supply and filling by replacing existing of media with Activated Carbon filter having 3 layers of pebbles/gravels over layer of coarse sand and Activated Carbon filter media (900 IV) repectivly to make it functional including disposal of existing media and carriage involved for all materials complete as per direction of Engineer-in-Charge Activated Carbon filter media (900 IV), 200 Kg Coarse/filteration sand 8 to 3 mm, 50 Kg Gravals 15mm to 8mm, 50 Kg Pebals of 20mm to 15mm, 50 Kg Pebals of size 40mm to 25mm, 100 Kg

Supply of IR filter media from vessal in layers of pebals & gravals over the sand layers i.e. coarse sand and fine sand respectivelty by replacement of existing of IR filter media to make it operational including disposal of existing media and carriage involved for all materials complete as per direction of Engineer-in-Charge Fine/natural sand 2 to 1 mm, 200 Kg Coarse/filteration sand 8 to 3 mm, 100 Kg Gravals 15mm to 8mm, 50 Kg Pebals of 20mm to 15mm, 50 Kg Pebals of size 40mm to 25mm, 50 Kg

Supply & installation of 50mm R-L Multiport Valve for all 3 MGF, ACF & IR Filter of approved make for making treatment plant functional including essential accessories including testing of joints as per direction of Engineer-in-Charge

Supply & installation of 7 kg pressure gauge of approved make including replacement of existing guage with necessary accessories as per direction of Engineer-in-Charge

Providing & installation of new 600mm Tube settler media including supply of same to site disposal of same outside the campus at MC approved site along with cleaning of vessel and refilling inclusive all charges as per direction of Engineer-in-Charge

Providing & laying of Sludge bed media including supply of same to site along with cleaning of vessel and refilling of filter media, after removal of existing media having top layer of sand also having minimum free board of 50 cm. item is inclusive disposal of existing media to MC approved site outside the campus including carriage of all type media inclusive all charges as per direction of Engineer-in-Charge Fine/natural sand 8 to 16 mm, 1000Kg Fine Filtration Sand (15-20 Mesh), 1000Kg Coarse Filtration Sand (8-32 Mesh), 1000Kg

Cleaning of Sludge bed & all the Tanks as EQT tank, Equalization tank,Tube Sttler tank, Filter feed tank & Treated water tank with chemical wash including disposal of the waste to Municipal Corporation inclusive carriage and taxes, complete as per direction of Engineer in Charge

Rectification & servicing of main operating panel with replacement or rectification of all the contactors, connector & Cable lugs servicing, replacement of new 2 nos. float switchs etc. to make it functional with all electrical works including accessories and necessary wire complete as per direction of Engineer in Charge.

Testing & Commissioning & Service charges with Bio culture & Other chemicals with lab test and providing the report thereof to make it functional complete.

AMC Service (after commisioning ) of 40 Ltr KLD with 02 operators ( covering with PF & ESI) including chemicals & repair of equipment, all complete.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 40 mm nominal outer dia. Pipes.

50 mm nominal outer dia. Pipes.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge : External work 15 mm nominal outer dia. Pipes.

20 mm nominal outer dia. Pipes.

75 mm nominal inner dia. Pipes.

Add approved cost Index @ 17.76% on DSR 2023 (Item no 19 to 24 no item)