Tender For Supplying And Erection Of Air Blower With Motor For 300 Kld Sewage Treatment Plant, tiruchirappalli-Tamil Nadu

Supplying And Erection Of Air Blower With Motor For 300 Kld Sewage Treatment Plant Supplying And Erection Of Air Blower With Motor For 300 Kld Sewage Treatment Plant. , Cat (A) -Items To Be Supply And Installation , Supply And Installation Of Air Blower Supplying, Installing, Testing And Commissioning Of 2 Nos. (One Working + One Standby) Twin Lobe Design Type Air Blower Complete With Motors, Pulleys, One Piece Rigid Ci Casing And Side Plates, Silencer, Base Plate, Anti-Friction Bearings, Rotary Oil Sealings Having Horizontal Configuration. The Blower Shall Be Suitable For The Following: Flow Rate Of Each Blower - 400.00 Cum / Hr Head - 5 Mtr Discharge Pressure - 0.50 Kg / Sq. Cm Differential Pressure - 0.5 Kg/ Sq/Cm Type Of Blower - Twin Lobe Roots Blower Blower Speed - 1418 Rpm Service – Continuous Installation – Indoor/Outdoor Fluid Handled – Air Inlet Condition (Pressure/Temp) –Atm(Atmospheric Pressure) Opening - 100 Mm Proposed Discharge Line - 100 Mm Sealing - Lip Seal Make – Everest/ Kay / Usha / Equivalent *Refer : Tender Document (Pageno.: 29-31 ) , Supply And Installation Of Motor For Air Blower Supplying, Installing, Testing And Commissioning Motor Shall Be Totally Enclosure Confirming To Protection Ip 55 Horizontal Foot Mounted (B3), Continuously Rated (S1) Suitable For Operation On 415+/- 10% V,3 Phase ,50Hz,+/-5%,Ac Supply With Ambient 50`C,Class F Insulation With Temperature Rise To Class B And Altitude Less Than 1000M Above Msl Confirming To Is:12615/Iec60034.The Rate Quoted Shall Be Inclusive Of: Type - Foot Mount Frame Power - 11 Kw / 15 Hp Speed - 1500 Rpm Power Supply - 3 Phase Output - 4 Pole Make: Kirloskar/Siemens/Crompton/Abb/ Equivalent 4 Sq/Mm Copper Wire , Coarse Bubble Diffusers For Equalization Tank Supplying, Installing, Testing And Commissioning Of Coarse Bubble Diffuser With 90 Mm Dia X 800 Mm Long Of Pvc Pipe Grid With Necessary Orifices Pvc Pipe Of 6.0 Kg / Sq.Cm Pressure Rating With Removable Deflector To Provide Clog-Free Oxygen For Equalization Tank I Size - 90 Mm Dia X 800 Mm Long Membrane – Pvc Type - Wide Band Make – Proflex/Welcome/Thaha/ Equivalent , Supply And Installation Fine Pore Diffusers For Aeration Supplying, Installing, Testing And Commissioning Of Fine Bubble Diffuser With 90Mm Dia X 1000Mm Long Consists Of Set Of Epdm Membranes. (Support: Pp Connection: 1” Npt, Retaining Clamp: Stainless Steel Aisi 304,12 Mm) Size - 90 Mm Dia X 1000 Mm Long Membrane - Epdm Type - Fine Bubble Tube Diffuser Make - Proflex/Welcome/Thaha/ Equivalent , Supply And Installation Retrivable Arrangments For Diffuser Supply & Installation Of Retrievable Arrangements With Rcc Block All Non - Submerged Piping For Air / Water - With Rcc Block (Retrievable Arrangement 1 Set ., Consist Of - Ss –“C “Clamp - 2Nos., 6Mm –Ss Nut - 4 Nos., Ss Foundation Bolt - 4 Nos., 6Mm-Ss –Lifting Hook -3 No., Ss -Tee - 1 No., Swivel Nut - 2 Nos., Ss-Hose Clamp - 2 Nos., 1” Braided Hose - 5M., 12Mm Pp Rope - 8 M., Rcc Block - 1 No.) , Supply & Installation Of Interconnecting Piping Carried Out Of Ms Pipes Between Air Blower And Air Header Including Suitable Size Header, Cast Iron Dual Plate Check Valve And Connecting Up To Air Grid Pipe Of Sewage Collection Tank And Aeration Tank Together With Cast Iron Butterfly Valve For All The Six Branches. 150 Nb, Ms Erw B Class Pipe For Air Blower Header Line , Supply & Installation Of Interconnecting Piping Carried Out Of Ms Pipes Between Air Blower And Air Header Including Suitable Size Header, Cast Iron Dual Plate Check Valve And Connecting Up To Air Grid Pipe Of Sewage Collection Tank And Aeration Tank Together With Cast Iron Butterfly Valve For All The Six Branches. 180 Nb, Ms Erw B Class Pipe For Aeration And Collection Tank Distribution Line , Supply Portion Installation & Commissioning Part Valves C. I Butterfly Valve - 80 Nb , Supply Portion Installation & Commissioning Part Valves C. I Flap Type Non - Return Valve - 80 Nb , Supply Portion Installation & Commissioning Part Valves Ss Brass Ball Valve - 25 Nb , Cat (B) - Buy Back Items , Buy-Back (Ie Minus)Buy Back Value Of Everestair Blower (300.00 Cum / Hr) With Kirloskar Motor (10 Hp ) As Is Where Is Basis

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	17-Jan-2024	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	24-01-2024

Refer document

INR 24000.0 /-

Refer document

Name of Work: Supply, Installation, Testing and commissioning ofAir blower with motor for 300 KLD Sewage Treatment Plant. at NIT Trichy.

Sl. No.	Item Description
1	Cat (A) -Items to be supply and installation
2	Supply and Installation of Air Blower Supplying, installing, testing and commissioning of 2 Nos. (One working + one standby) Twin Lobe design type air blower complete with motors, pulleys, One piece rigid CI casing and side plates, silencer, base plate, Anti-friction bearings, Rotary oil sealings having horizontal configuration. The blower shall be suitable for the following: Flow rate of each blower - 400.00 Cum / hr Head - 5 mtr Discharge Pressure - 0.50 kg / sq. cm Differential Pressure - 0.5 KG/ Sq/cm Type of Blower - Twin Lobe Roots Blower Blower Speed - 1418 rpm Service – Continuous Installation – Indoor/Outdoor Fluid Handled – Air Inlet Condition (Pressure/Temp) –Atm(Atmospheric pressure) Opening - 100 MM Proposed Discharge Line - 100 MM Sealing - Lip Seal Make – Everest/ Kay / Usha / equivalent *Refer : Tender Document (PageNo.: 29-31 )
3	Supply and Installation of Motor for Air Blower Supplying, installing, testing and commissioning Motor shall be Totally Enclosure confirming to protection IP 55 Horizontal Foot Mounted (B3), continuously rated (S1) suitable for operation on 415+/- 10% V,3 Phase ,50hz,+/-5%,AC Supply with ambient 50`C,Class F insulation with temperature rise to class B and altitude less than 1000M Above MSL confirming to IS:12615/IEC60034.The rate quoted shall be inclusive of: Type - Foot Mount Frame Power - 11 KW / 15 HP Speed - 1500 rpm Power Supply - 3 Phase Output - 4 Pole Make: Kirloskar/Siemens/Crompton/ABB/ Equivalent 4 sq/mm copper wire
4	COARSE BUBBLE DIFFUSERS FOR EQUALIZATION TANK Supplying, installing, testing and commissioning of coarse bubble diffuser with 90 mm dia X 800 mm long of PVC pipe grid with necessary orifices PVC pipe of 6.0 kg / sq.cm pressure rating with removable deflector to provide clog-free oxygen for Equalization tank I Size - 90 mm dia x 800 mm Long Membrane – PVC Type - Wide Band Make – Proflex/Welcome/Thaha/ Equivalent
5	Supply and Installation FINE PORE DIFFUSERS FOR AERATION Supplying, installing, testing and commissioning of fine bubble diffuser with 90mm dia x 1000mm long consists of set of EPDM membranes. (Support: PP Connection: 1” NPT, Retaining Clamp: Stainless Steel AISI 304,12 mm) Size - 90 mm dia x 1000 mm Long Membrane - EPDM Type - Fine Bubble Tube Diffuser Make - Proflex/Welcome/Thaha/ Equivalent
6	Supply and Installation RETRIVABLE ARRANGMENTS FOR DIFFUSER Supply & Installation of Retrievable arrangements with RCC Block All non - submerged piping for air / water - with RCC Block (Retrievable arrangement 1 Set ., consist of - SS –“C “Clamp - 2Nos., 6MM –SS Nut - 4 Nos., SS Foundation Bolt - 4 Nos., 6MM-SS –Lifting Hook -3 No., SS -TEE - 1 No., Swivel Nut - 2 Nos., SS-Hose Clamp - 2 Nos., 1” Braided Hose - 5m., 12MM PP Rope - 8 m., RCC Block - 1 No.)
7	Supply & Installation of interconnecting piping carried out of MS Pipes between Air Blower and Air Header Including suitable size header, Cast Iron dual plate check valve and connecting up to air grid pipe of sewage collection tank and Aeration tank together with cast iron butterfly Valve for all the Six Branches. 150 NB, MS ERW B Class Pipe for Air blower Header line
8	Supply & Installation of interconnecting piping carried out of MS Pipes between Air Blower and Air Header Including suitable size header, Cast Iron dual plate check valve and connecting up to air grid pipe of sewage collection tank and Aeration tank together with cast iron butterfly Valve for all the Six Branches. 180 NB, MS ERW B Class Pipe for Aeration and collection tank distribution line
9	Supply portion Installation & Commissioning part VALVES C. I Butterfly Valve - 80 NB
10	Supply portion Installation & Commissioning part VALVES C. I Flap Type Non - Return Valve - 80 NB
11	Supply portion Installation & Commissioning part VALVES SS Brass Ball Valve - 25 NB
12	Cat (B) - Buy Back Items
13	Buy-Back (ie minus)Buy Back Value of EverestAir Blower (300.00 Cum / hr) with Kirloskar Motor (10 HP ) as is where is basis