Providing Sewerage Scheme to Paonta Town in Tehsil Paonta Sahib District Sirmour HP

Amount

Providing Air blower and diffusers of MBBR technology in existing aeration tanks of 1.00 MLD at STP -Zone -II . Design,Supplying and installing and commissioning of MBBR unit and fixing the same in existing 1.00 MLD 2 tank 0.5 MLD 2 tanks 0.5 MLD each(Existing aeration tanks dia 2 x 12.00 x 3.5 + 0.5 Free board)to improve/enhance the aeration process and meet with disirable effluent parameters. The MBBR concept shall be broadly include the following:- a) Three nos twin rotary air blowers capable of delivering 450 m3/hr of free air each at 0.5 kg/cm2 driven through V belt or directly coupled through flexible coupling to a TEFC motor of suitable HP for 415 ⩲10%,3 phase, 50 cycles A/C supply make everest/ or similar (Two will run simulatanously one in each tank and in each tank and one will act as stand bye). Auto control pannel with all accessories to operate blowers, compatible with motors capacity along with all cables water proof cables, linking of relevant size and specification well concealed in PVC piping system complete with stand installed in all respect.(b) Membrane air diffusers Non Clog Type Air Dispersion system ( Air Diffuser) capable of handling 5-7 m3/hr of Air with oxygen transfer efficiency of 3-4% per meter water depth . Air Dispersion MS grid shall be assembled in modular form so that they can be replaced/ repaired easily from plant from the top ( fine bubble membrane diffusers of length 630mm and dia 63mm with MOC: Silicon ). c) MBBR media for aeration as per design. d) The internal pipe grid and diffuser network as per latest guideline with all fittings accessories of reputed / superior make complete in all respects.

HYDRAULIC ENGINEERING COMPANY

SURENDAR HANSRETTA

Surjeet Singh Thakur

Shamshad Ali Contractor

Raman Thakur Govt. Cont.

Sohal Pal Singh