Tender For Providing Air Diffusers, Air Blowers Duly Cleaning The Tanks At Sewage Treatment Plant Including Providing Required Pipes And Accessories Etc At Nit Warangal.-2Nd Call, Warangal-Telangana
TDR : 43680397
Tender Notice
BOQ
Expired
Warangal
Telangana
Tender For Providing Air Diffusers, Air Blowers Duly Cleaning The Tanks At Sewage Treatment Plant Including Providing Required Pipes And Accessories Etc At Nit Warangal.-2Nd Call
Name of Work: Providing air diffusers, air blowers duly cleaning the tanks at sewage Treatment plant including providing required pipes and accessories etc at NIT Warangal
Sl. No.
Item Description
1
Cleaning of under ground sump, Over Head R.C.C. Tank ( independentEngineer-in-Charge. The cleaning shall consist following operations:-1.Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits.Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.Chlorination of RCC internal surface by liquid chlorine.The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge
2
Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges,fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge.
3
100 mm nominal size dia having minimum wall thickness 5mm
4
Providing and fixingUnplasticized Polyvinyl Chloride(UPVC) pipes,for supplying air from the blower including all UPVC plain & brass threaded fittings This includes jointing of pipes & fittings like tees,elbows,MTA,FTA and base SS support with one step UPVC solvent cement & testing of joints complete as per direction of Engineer in Charge
5
50 mm nominal dia Pipes(SCHD 80 grade)
6
80 mm nominal dia Pipes(SCHD 80 grade)
7
Removingthe sludge, silt and debris from the inlet Equalization tank, cleaning by diverting the sewage water by sludge motors during the cleaning including shifting sludge to municipality dymping yard and lead,lift incidental charges etc,as per directions of Engineer-in-charge
8
supplying and fixing of fine bubble disc type air diffuser for equalization tank including all accessoriesand base saddle and clamp etc as per direction of Engineer-in-charge(Aitech 9\" make)
9
Supplying and fixing of Twin lobe air blower(A1-55 [email protected] ) along with NRV,PRV,sielencer,base frame,V-belt and piston,belt guard & preesure gauge along with motor of 10 HP 1440 RPM,3 phase,IE-3,3-pole,non-FLP,foot mounted electric motor .
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