SPL REPAIR FOR REPLACEMENT OF DISINFECTION SYSTEM OF FILTRATION PLANT AT VARIOUS LOCATION IN GUWAHATI UNDER GE GUWAHATI

Excavation in trenches not exceding 1.5m wide and not exceding 1.5m in depth and getting out in soft/ loose soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceding 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material n exc. 50m and depositing where directed at a level not exceding 1.5m above the starting point complete all as specified and as directed.

Supply, Installation, commissioning and testing of disinfection plant for 8000 Gallon per hour for filteration plant at Borjhar. Disinfection system shall be chemical free dual step type working on principal of electrolytic process to produce highly reactive hydroxyl redicals for complete removal of pathogens and organic contaminants followed by electro catalytic process to convert naturally occuring chloride ions into chlorine for maintennace of desired free residual chlorine. Disinfection system shall be with following accessories:-

Hydro-dis systems included: Hydro-dis U200 (02 Nos)– Designed Flow Rate: 7.5 m³/hr Disinfection type : Chemical free dual step electrolytic treatment : Fully automated Disinfection Performance: Continuous treatment Technology: Dual-stage electrolytic oxidation, Operation: Fully automated Pathogen Removal: Bacteria, viruses, cysts, algae, biofilm, organic contaminants Hydro-dis U400 (01 No)– Designed Flow Rate: 12 m³/hr Disinfection type : Chemical free dual step electrolytic treatment : Fully automated Disinfection Performance: Continuous treatment Technology: Dual-stage electrolytic oxidation, Operation: Fully automated Pathogen Removal: Bacteria, viruses, cysts, algae, biofilm, organic contaminants HDPE Tank 3 layer – of capacity 30 KL 1 tank of 30 KL OR combination of maximum 3 tanks totaling 30 KL

Three Phase Pumps (Working + Standby) at suitable capacity as per design. Necessary auxiliary equipment, piping, valves, and electrical integration. Installation & Commissioning Canopy( shed) for Hydrodis Systems Canopy Quantity: 1 Material: MS Sheet Capacity: Able to house three Hydro-dis systems Includes fabrication, painting, weather protection, and installation including Complete installation, interconnections, testing, and commissioning of complete system, rates shall include transpotation of equipments from OEM to site. Functional Features (Common Across All Models) Note : Contractor shall maintain 1. Free Residual Chlorine (FRC) with indesigned limit as per Guidlines with adding any extra chemical with zero water less 2. Contractor shall submit chemical and biological test report of treated water from NABL approved Lab.

Supply, Installation, commissioning and testing of disinfection plant for 5000 Gallon per hour for filteration plant at Amingaon & Sadilapur. Disinfection system shall be chemical free dual step type working on principal of electrolytic process to produce highly reactive hydroxyl redicals for complete removal of pathogens and organic contaminants followed by electro catalytic process to convert naturally occuring chloride ions into chlorine for maintennace of desired free residual chlorine. disinfection system shall be with following accessories.

Hydro-dis systems included: Hydro-dis U100 – DesignedFlow rate: 5 m³/hr, Disinfection type : Chemical free dual step electrolytic treatment : Fully automated Disinfection Performance: Continuous treatment Technology: Dual-stage electrolytic oxidation, Operation: Fully automated Pathogen Removal: Bacteria, viruses, cysts, algae, biofilm, organic contaminants Hydro-dis U200 – Designed Flow Rate: 7.5 m³/hr Disinfection type : Chemical free dual step electrolytic treatment : Fully automated Disinfection Performance: Continuous treatment Technology: Dual-stage electrolytic oxidation, Operation: Fully automated Pathogen Removal: Bacteria, viruses, cysts, algae, biofilm, organic contaminants HDPE Tank 3 layer – of capacity 30 KL 1 tank of 30 KL OR combination of maximum 3 tanks totaling 30 KL

Three Phase Pumps (Working + Standby) at suitable capacity as per design. Necessary auxiliary equipment, piping, valves, and electrical integration. Installation & Commissioning Canopy( shed) for Hydrodis Systems Canopy Quantity: 1 Material: MS Sheet Capacity: Able to house three Hydro-dis systems Includes fabrication, painting, weather protection, and installation including Complete installation, interconnections, testing, and commissioning of complete system, rates shall include transpotation of equipments from OEM to site. Functional Features (Common Across All Models) Note : Contractor shall maintain 1. Free Residual Chlorine (FRC) with indesigned limit as per Guidlines with adding any extra chemical with zero water less 2. Contractor shall submit chemical and biological test report of treated water from NABL approved Lab. NOTE FOR ITEM NO. 4.00 & 5.00 The Existing Chlorination palnt should be deposited in MES Store yard and quoted rate deemed to be included the cost of dismaneling and the cost of transportation of Old Chlorination palnt from existing location to MES Store yard and all as specified and directed by Engr-in-Cahrge.

M&L for 80 mm bore GI tubing medium grade in trenches/ floor/ pillar and connection in old or news position as per site requirement including fittings like socket/ union/ tee/ reducer Nipple etc including taking down old complete all as specified and directed.

M&L for 100 mm bore GI tubing medium grade in trenches/ floor/ pillar and connection in old or news position as per site requirement including fittings like socket/ union/ tee/ reducer Nipple etc including taking down old complete all as specified and directed.

S& F in repair 80 mm bore cast iron flanged & drilled both ends sluice valve, (ISI marked) long body type, conforming to IS 14846-2000; Class PN-1.6 with iron wheel head & brass spindle including all jointing materials and mild steel nuts, bolts, washers, rubber / fibre board gaskets etc and testing complete all as specified & directed.

S& F in repair 100 mm bore cast iron flanged & drilled both ends sluice valve, (ISI marked) long body type, conforming to IS 14846-2000; Class PN-1.6 with iron wheel head & brass spindle including all jointing materials and mild steel nuts, bolts, washers, rubber / fibre board gaskets etc and testing complete all as specified & directed.

M&L for Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground (Earth pit not less than 2.25 Metre deep below ground level) with top edge of the plate not less than 1.5 metre below normal ground level, connected to galvanized earth lead wire 4.0 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No.3 of SSR Part-I (2009) including filling of charcoal dust , common salt all around Earth plate upto 150mm, 20mm bore GI medium grade watering pipe, 15 mm bore light grade earth lead protection pipe upto main board, funnel with wiremesh, 40mm thick RCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate reinforced with 8mm dia TMT bars @ 150mm c/c and suitable handle, angle iron frame and necessary excavation and earth work in any type of soil etc. complete all as specified and as directed including testing on completion. (Note: The rate quoted include cost of min 7.5 metre earthing wire .)

S&F of vertical TPN 4 way with provision and including of MCCB of 63 Amp 4 Pole 16KA adjustable thermal and fixed magnetic and provided with CRCA sheet steel powder coated,double door ready to use DBs provided with insulated vertical phase bus bar, neutral bar, earth bar, sticking saddle, colour coded interconnecting wire set, cabel ties, blanking plates etc all as specified and directed.

S & F in repair MCB single pole 63 amps 240 volts 10 KA , C series complete all as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 core complete all as specified and directed.