Heavey Water Board-HWB has published Non Destructive Testing And Residual Life Assessment. Non Destructive Testing And Residual Life Assessment Of Industrial Buildings And Structures At Hwp Baroda. Submission Date for this Tender is 17-03-2022. Industrial Ultrasonic Testing Tenders in baroda Gujarat. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Visual Survey:- Visual inspection for surface damages, cracks, flaking, coloration, local weaknesses, etc and their damage classification.Simple tools and instruments like camera with flash light, magnifying glass, binoculars, gauge for crack width measurement , chisel and hammer, etc shall be used.The visual inspection shall cover areas large of high distress cracks and their location, moisture, leakage abnormal variations in structure, algae and fungus frowth, efflorescence, etc.Visual inspection would be documented in the form of worksheets, photographic records, distress over drawings etc. |
| 2 | Rebound Hammer Test: for determining the estimated compressive strength of concrete and uniformity of concrete in terms of surface hardness test as per IS 13311(Part-2)-1992, ASTMC 805-02, BS 6089: 1981 and BS 1881: Part 202, BSEN 13791 |
| 3 | Ultrasonic Pulse Velocity Test: for ascertaining the quality and soundness of concrete as well as uniformity of concrete in terms of desity, crack depth and width, causal analysis of crack propogation as per IS 13311 (Part-2)-1992, ASTM C597-02, BS 6089: 1981 and BS 1881: Part 203, BSEN 13791-2007 |
| 4 | Core Compressive strength Test: concrete extraction for exact in situ compressive strength evaluation of concrete grade and fack value of concrete as per IS 516 1959, IS 456 2000, IS 1199-1959 Part 4, ASTM C 42-77, ACI 318 |
| 5 | Half Cell Potential Test: for assessing the precentage risk of corrosion in reinforcement, Measuring the half-cell/ surface potentials at selected locations on RCC members of the structures covered under the sutdy to understand the extent of reinforcement corrosion. Contour Mapping of corrosion in terms of probable risk of corrosion of steel bar as per ASTM C 876 (6)-1991 |
| 6 | Chemical Tests on concrete in the laboratory to determine the following parameters to understand the chemical deterioration/degradation of concrete and its effect on reinforcement corrosion. pH value (to check alkanity of concrete) as per relevant B.S. 5328, ACI 2012R-92 and ACI-318-99, IS 456: 2000, BS 8110 and Water Soluable Chloride Content % (by mass of concrete) as per IS 14959 (Part 2) - 2001, B.S. 5328 Part I ACI 201 2R-92 BS 1881 Part 124 1988, BS 8110, IS 45.6 2000 |
| 7 | Resistivity Meter Test: It is used in determination of Estimation of the likelihood of corrosion, Indication of corrosion rate.Correlation to chloride permeability, Determination of zonal requirements for cathodic protection systems, Identification of areas within a structre most susceptible to chloride penetration as per BS EN 12696-2000, RILEM TC-154, AASHTO T277 RCP, AASHTO T259, ASTM C 1202 97 |
| 8 | Linear Polarisation Test (LPR, Galva Pulse): for analysis of rate of diameter loss in steel bar due to corrosion in reinforcement as per BRE DIGEST 434 |
| 9 | Carbonation Test: Measurement of carbonation depth by phenolphthalein spray test at selected locations on RCC members of the structures covered under the study to see the depth of carbonation as per BS EN 14630: 2006, BS EN 13295:2004.Ration of Carbonation depth to cover depth is also measured to check the intensity of carbonaion attack on steel bar |
| 10 | Cover Depth Measurement: Conducting cover meter test at selected locations on RCC members of the structures covered under the study to see the adequacy of concrete cover to rebars and creation of Contour Mapping of cover depth in RCC Structure by using (working on Magnetic field generation concept) steel bar scanner as per IS 45.6:200 and relevant code of particular structure |
| 11 | Report and Interpretation: Preparing and submitting comprehensive report consisting of findings from visual inspection, test data interpretation of results conclusions. |
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