Press NIT NO. 29 (2021-2022) EE(SDW)VIII

Supply of Floating Aerators with minimum OTE 4.6Kgs/KWH with Float Mount Assembly. The aerator system contain a set of three main parts: 1. surface mounted electric motor of 4 KW ,415Volts ,50 Hz, 1400 -1475 RPM, 3 Phase 2. A vented air shaft that reaches below the surface of the water with a length of 1500mm made of stainless steel 3. A circular turbine which is connected to the air shaft and which spins beneath the surface of the water. The floater is made of long-lasting Polyethylene with UV protection. Make - Toring Turbine/Varo corp/Hitachi / Air-02/Equivalent

Mooring arrangement for aerators as per site requirement.

MCC panel with APFC panel for the operation of aerators as per site requirement in Supplimentary Drain (Qty=11 weirs x 2) Make- Siemens/Schneider/ABB/L&T/DJB Approved

MCC panel with APFC panel for the operation of aerators as per site requirement in Nazafgarh Drain (Qty=13 weirs x 2) Make- Siemens/Schneider/ABB/L&T/DJB Approved

Panel room of appx size 10x5m for installtion of above panel and sitting for the operating staff

EPDM rubber insulated and NBR rubber sheathed round flexible copper cable of size 4x4sqmm from MCC Panel to aerator for power supply as per site requirement confirming to IEC60245-4. Make- Grandlay/Gloster/Havells/Polycab/Jainson/Thermocable/Bhuwal/DJB Approved

EPDM rubber insulated and NBR rubber sheathed round flexible copper cable of size 4x2.5sqmm from MCC Panel to aerator for power supply as per site requirement confirming to IEC60245-4. Make- Grandlay/Gloster/Havells/Polycab/Jainson/Thermocable/Bhuwal/DJB Approved

Power Cable from transformer to MCC panel as per site requirement for supplimentary drain . Supply, 1.1 kV grade, XLPE insulated, stranded Aluminum conductor, galvanized steel flat strip / round wire armored, extruded PVC type ST2 sheathed, conforming to IS:7098 (Part-1) & IEC:60502 (Part-1) Size 3.5x150. SOR 18.5.7 Make- Grandlay/Gloster/Havells/Polycab/DJB Approved

Power Cable from transformer to MCC panel as per site requirement for Najafgarh Drain . Supply, 1.1 kV grade, XLPE insulated, stranded Aluminum conductor, galvanized steel flat strip / round wire armored, extruded PVC type ST2 sheathed, conforming to IS:7098 (Part-1) & IEC:60502 (Part-1) Size 3.5x400. SOR 18.5.11 Make- Grandlay/Gloster/Havells/Polycab/DJB Approved

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure withcover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. SOR 35.1.4

Earthing cable of 1cx185sqmm for earthing of aerators to panel .

Tray & Accessories as per site requirement

Miscellaneous fittings, Support etc as per site requirement

Dissolved Oxygen Measurement as per standard specifications

RTU panel, Controller with cabling etc

Girdhari Lal Aggarwal Contractors Pvt Ltd