Tenders Are Invited For Fuel Oil Storage Tank Integrity Inspection

Quotation Are Invited For Fuel Oil Storage Tank Integrity Inspection For Phase-1, H-Station. Integrity Inspection & Calibration Of Fuel Oil Storage Tank At Dewa Aweer Power Station Fuel Oil Storage Tank Technical Specificat Ion: Location##: #H1# Station, Aweer, Dewa Capacity##: 13,000 Cubic Meter Diameter##: 30.00 Meter Height###: 16.50 Meter No. Of Tan K#: 01 No. Scope Of Work : A. External Visual Inspection Which Includes: 1. Visual Inspection Of Foundations 2. Visual Inspectio N Regarding External Corrosion And Pitting Including Evaluation Of Pitting. 3. Visual Inspection Of Nozzles And Adjacent Shell 4. Vi Sual Inspection Of Shell, Roof, Bottom And Internal Floating Cover (If Applicable) For Localized And Environmental Corrosion 5. Insp Ection Of Equipment Grounding 6. Visual Inspection Of All Welds (Through Binocular) 7. Visual Inspection Of Roof Frangible Joint. 8. External Inspection Of Tank Bunds In Respect Of Visual Apparent Condition. B. Internal Visual Inspection Which Includes : 1. Visu Al Inspection Regarding Internal Corrosion And Pitting Including Evaluation Of Pitting 2. Visual Inspection Of Nozzles Internal 3. V Isual Inspection Of Shell And Roof For Localized Corrosion 4. Visual Inspection Of All Tank Shell Plate Welds Through Binocular. 5. Visual Inspection Of Internal Protective Coating And Lining (If Any) 6. Magnetic Flux Leakage Testing Of The Tank Bottom Plate. 7. V Acuum Box Testing Of Bottom Joints. 8. Tank Shell & Bottom Settlement, Out Of Roundness And Verticality Survey. C. Ultrasonic Thic Kness Gauging By Ut Crawler & Cml Marking 1. Ut Crawler By Silver Wing Shall Be Used To Obtained Thickness Of Each Shall Plate To Eliminate The Use Of Scaffolding. 2. Thickness Monitoring Locations (Tml#S) Shall Be Permanently Identified For Tank. Each Tml Shall Be Adequately Identified Either On The Tank And/Or On A Tank Sketch So Subsequent Readings Are Taken At The Same Location. 3. Tml#S Shall Be Located In The Following Areas Where Practicable. 05 Reading On Each Roof Plate And Each Bottom Plate. 03 Reading On Each Shell Course At 08 Vertical Lines Each Nozzle Equal To Or Above 2# At 3, 6, 9 And 12 O# Clock Position. In Case Of Requirement, No. Of Cml Points Will Be Increased. D. Mpi / Dpt Mpi / Dpt Testing Shell To Bottom Joint To Ensure Weld Integrity. E. Tank Calibrati On Chart & Remaining Life 1. Tank Calibration Chart Showing Volume Of Liquid In Imperial Gallon With Respect To The Tank Height @ E Very 10 Mm To Be Provided With Average Volume For Every 1 Mm Of Tank. 2. Remaining Life, Corrosion Rate, Next Inspection Interval E Tc... Recommendations For Repair, If Any. 3. If Any Other Report Required To Certify The Tank Healthiness For Service As Per Api 65 3. Note : Any Other Inspection/Testing Required To Certified Tank Integrity And Healthiness Is Also Part Of Supplier Scope. Evalu Ation Of Inspection Data And Remaining Life Assessment Data Evaluation / Analysis Comprehensive Understanding Of The Condition Of The Tank And Related Risk Issues And What Is Required To Continue The Safe And Effective Operation Of The Tank Are The Key Factors. On The Basis Of Data Obtained From Inspection And Data Available At Site The Following Will Be Calculated Based On The Applicable C Odes And Standards; #A. Thickness Reduction / Metal Loss #B. Corrosion Rate #C. Minimum Required Thickness Based On Original Constr Uction Codes. #D. Remaining Corrosion Allowance #E. Maximum Allowable Working Pressure # Remaining Life Assessment Remaining Life ( Years) Shall Be Calculated In Accordance With Api 510/ Api-570 And Api-653. (If Previous Inspection Record Is Available) For Pressur E Vessel/ Piping And Tank Respectively. For Estimating The Remaining Life Where Corrosion Rates Are Not Established, Best Industrial Practices Shall Be Used. Based On The Remaining Life Next Inspection Interval Will Be Set For Further Monitoring. Qty: 1 Fuel Oil Storage Tank Integrity Inspection For Phase-1, H-Station, Al-Aweer. Contact Zamir Usman Tel: 04-81-40304 / 0509152946 Standard Terms & Conditions 1) Prices Should Be Ddp Delivery Duty Paid At Dewa Stores. 2) Quotation To Be Submitted Only In Local Currency U.A.E Dirhams 3) Dewa Standard Payment Terms Is 30 Days Credit From The Date Of Acceptance Of Material 4) No Dewa Staff Or His Or Her Relatives Up To Third Degree Should Have Ownership Or Partnership In Your Company, And Your Participation In Dewa Tenders / Rfqs Should Not Constitute A Conflict Or Perceived Conflict Of Interest.