Hyderabad Metropolitan Water Supply And Sewerage Board Tender

Design Manufacture Supply Delivery erection and commissioning of Odour Control System for 43.5MLD Ca;(A) Design , Manufacture, Supply, Delivery and Installation of self standing type FRP tank covering systems to competely cover the receving chamber, coarse screen (mechanical + manual) raw water sump, stilling chamber, fine screens & manual Grit chamber with two stage treatment in one vessel designed to withstand toxic and corrosive environments, including UV resistance to cover the source tanks from the odour extraction areas with access opening, and external ductwork made of fiberglass reinforced plastic (FRP) designed to transfer the foul air from each source tanks to the Odour control system with all the required accessories like fasteners and joining materials . (B) Two stage treatment with 1st stage as Bio-trickling filter with packing of foamed material, plastic grating for airflow with large loading and void space, open structure, low pressure drop and pH gradient low water usage chemically resistant resin suitable for outdoor use, complete with air inlet and outlet flanges, necessary man holes, gratings and supports to cover receiving chamber, coarsce screen(Mechanical&Manual), raw sewerage sump,external & internal ductwork to transfer the foul air from source to the system inlet with biologically active synthetic PU foam based media of quantity as per site requirement/conditions.The odour control system shall be designed for unmanned remote operation with manual operation and shall include, such as a)Pressure transmitters to measure the pressure difference across the systemb)level sensors and temperature gauges c) H2S monitors to be provided at system inlet. d) Motorized valves at inlet and outlet. for packing support, irrigation control by time interval and pH value. (C) 2nd stage activated carbon filter with support & water spraying system above the carbon bed for carbon regeneration made of FRP wall material with opening in roof and side wall of vessel, with waste air inlet and outlet with required carbon volume pallet diameter sludge sump(new) Grit manual chamber(New),with suitable filter media and 6 air exchange rate and media of appropriate quantity should be designed to maintain a effective contact time as per VDI guidelines for effective removal of odours .The odour control system shall be designed for unmanned remote operation with manual and shall include, such as a)Pressure transmitters to measure the pressure difference across the system b)H2S monitors to be provided at system outlet with provision of alarm situations at times of excessive saturation c) Motorized valves at inlet and outlet. (D) Supply, delivery, erection, testing, and commissioning of LT make PLC based control panel made of FRP mounted on the scrubber vessel completely wired and tested with HMI, cablings etc. Panel enclosure at the side wall of the activated filter vessel, completely wired and tested with PLC with Touch panel, Power supply & Control Power Supply, Fault Report Processing, Fan Motor Controls with VFD, Pump Control, Valve Controls, Pressure Controls,H2S Monitor Controls, pH Controls and Level controls made of FRP with connection flange. d) Supply, delivery, erection, testing, and commissioning of LT make PLC based control panel made of FRP mounted on the scrubber vessel completely wired and tested with HMI, cablings etc. Panel enclosure at the side wall of the activated filter vessel, completely wired and tested with PLC with Touch panel, Power supply & Control Power Supply, Fault Report Processing, Fan Motor Controls with VFD, Pump Control, Valve Controls, Pressure Controls,H2S Monitor Controls, pH Controls and Level controls made of FRP with connection flange. (E) Supply, delivery, erection, testing, and commissioning of 1 Duty + Standby extraction fan with appropriate capacity static pressure , 3 phase 415V, Direct Driven and Motor rating of 3.7 KW fabricated in Stainless steel with suitable for corrosive gas application. Extract fans shall be provided in duty mode and operated with frequency converters and supplied with complete accessories required for functioning the system including spare motor.

Design Manufacture Supply Delivery erection and commissioning of Odour Control System for 43.5MLD Ca;Design and construction of RCC civil foundation for the odour control system with M20 concrete with reinforcement of 12mm rod with PCC plastering on the top including cost of materials ,transportation and labor charges etc along with supply, delivery, installation of external power cabling of required quantity from MCC to OCU panel and required PVC pipes and fittings for water supply source to OCU and OCU to drain point complete as directed by departmental officers.