Bids Are invited for Custom Bid For Services - Structural Assessment Of 2 Overhead Water Tank Structure - Visual Inspection And Photography: Visual Survey Of The 2 Ohwt Structures; Recording/Mapping On Drawing To Assess Extent Of Spalled Concrete, Cr
Tender Overview
Project Description
Bids Are invited for Custom Bid For Services - Structural Assessment Of 2 Overhead Water Tank Structure - Visual Inspection And Photography: Visual Survey Of The 2 Ohwt Structures; Recording/Mapping On Drawing To Assess Extent Of Spalled Concrete, Cracked Concrete, Honeycombing, Reinforcement Corrosion, Delaminated Concrete, Etc.; Photographs/Videos And Collection Of Evidence Of Damage. , Ultrasonic Pulse Velocity Test For Rcc Structure In Accordance With Is:516 Part-5-2018, Section 1, Using Portable Ultrasonic Non-Destructive Digital Test Equipment, Including Chipping Of Plaster At Strategic Locations. , Rebound Hammer Test For Rcc Structure In Accordance With Is:516 Part-5-2018, Section 4, Using Portable Digital Equipment At Strategic Locations. , Core Test: Core Cutting And Compression Test For Rcc Structure In Accordance With Is:516 On 70 Mm Core Cutting; Reinforcement, Core Filling By Specialised Epoxy Material/Micro Concrete With Bond Coat At Strategic Locations. , Reinforcement Mapping: Test On Rcc Members To Assess Cover, Spacing Of Bars Including Approximate Diameter At Strategic Locations. , Chemical Test For Rcc Structure In Accordance With Is:456-2000 Using Ready-Made Kits/Reagents. S Le Collected From Half-Cell/Carbonation Powder. (I) Determination Of Ph Value. (Ii) Determination Of Water-Soluble Sulphates. (Iii) Determination Of Water-Soluble Chlorides At Strategic Locations. , Half Cell Potential Test For Rcc Structure In Accordance With Is:516 Part-5-2018, Section 2, To Assess Probability Of Corrosion Of Reinforcement At Strategic Locations. , Carbonation Test For Rcc Structure In Accordance With Is:516 Part-5-2018, Section 3, To Measure Extent Of Carbonation From Concrete Surface At Strategic Locations. , To Check And Confirm Present Status Of Structure On Basis Of Ndt Results; Recommendation For Structure Repairs And Technical Specification & Serviceable Life Of 2 Ohwt. , Submission Of Boq And Estimate Including Providing List Of Repair Contractor.
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | Visual inspection and photography: Visual survey of the 2 OHWT structures; recording/mapping on drawing to assess extent of spalled concrete, cracked concrete, honeycombing, reinforcement corrosion, delaminated concrete, etc.; photographs/videos and collection of evidence of damage. | Visual inspection and photography: Visual survey of the 2 OHWT structures; recording/mapping on drawing to assess extent of spalled concrete, cracked concrete, honeycombing, reinforcement corrosion, delaminated concrete, etc.; photographs/videos and collection of evidence of damage. |
| 2 | Ultrasonic pulse velocity test for RCC structure in accordance with IS:516 Part-5-2018, Section 1, using portable ultrasonic non-destructive digital test equipment, including chipping of plaster at strategic locations. | Ultrasonic pulse velocity test for RCC structure in accordance with IS:516 Part-5-2018, Section 1, using portable ultrasonic non-destructive digital test equipment, including chipping of plaster at strategic locations. |
| 3 | Rebound hammer test for RCC structure in accordance with IS:516 Part-5-2018, Section 4, using portable digital equipment at strategic locations. | Rebound hammer test for RCC structure in accordance with IS:516 Part-5-2018, Section 4, using portable digital equipment at strategic locations. |
| 4 | Core test: Core cutting and compression test for RCC structure in accordance with IS:516 on 70 mm core cutting; reinforcement, core filling by specialised epoxy material/micro concrete with bond coat at strategic locations. | Core test: Core cutting and compression test for RCC structure in accordance with IS:516 on 70 mm core cutting; reinforcement, core filling by specialised epoxy material/micro concrete with bond coat at strategic locations. |
| 5 | Reinforcement mapping: Test on RCC members to assess cover, spacing of bars including approximate diameter at strategic locations. | Reinforcement mapping: Test on RCC members to assess cover, spacing of bars including approximate diameter at strategic locations. |
| 6 | Chemical test for RCC structure in accordance with IS:456-2000 using ready-made kits/reagents. Sample collected from half-cell/carbonation powder. (i) Determination of pH value. (ii) Determination of water-soluble sulphates. (iii) Determination of water-soluble chlorides at strategic locations. | Chemical test for RCC structure in accordance with IS:456-2000 using ready-made kits/reagents. Sample collected from half-cell/carbonation powder. (i) Determination of pH value. (ii) Determination of water-soluble sulphates. (iii) Determination of water-soluble chlorides at strategic locations. |
| 7 | Half cell potential test for RCC structure in accordance with IS:516 Part-5-2018, Section 2, to assess probability of corrosion of reinforcement at strategic locations. | Half cell potential test for RCC structure in accordance with IS:516 Part-5-2018, Section 2, to assess probability of corrosion of reinforcement at strategic locations. |
| 8 | Carbonation test for RCC structure in accordance with IS:516 Part-5-2018, Section 3, to measure extent of carbonation from concrete surface at strategic locations. | Carbonation test for RCC structure in accordance with IS:516 Part-5-2018, Section 3, to measure extent of carbonation from concrete surface at strategic locations. |
| 9 | To check and confirm present status of structure on basis of NDT results; recommendation for structure repairs and technical specification & serviceable life of 2 OHWT. | To check and confirm present status of structure on basis of NDT results; recommendation for structure repairs and technical specification & serviceable life of 2 OHWT. |
| 10 | Submission of BOQ and estimate including providing list of repair contractor. | Submission of BOQ and estimate including providing list of repair contractor. |
AI Tender Summary
Tender Timeline
Tender Published
Tender notice published.
CompletedBid Submission Deadline
Online submission via eProcurement portal.
CompletedBid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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