Name of Work: Provn of Non-destructive testing to ascertain structural soundness of SMQs at AF Stn Kurseong under GE (AF) Bagdogra.
Sl. No.
Item Description
1
M&L for visual inspection and photography performing a visual survey of the building and recording/mapping on drawing to assess extent of spelled concrete, cracked concrete honey combing, reinforcement corrosion, delaminated concrete etc, taking photographs to collect evidence of damage to structure.
2
M&L for ultrasonic pulse velocity test for RCC structure in accordance with IS:13311 Part-1 1992 by portable ultrasonic non destructive digital test equipment including chipping out plaster at strategic locations.
3
M&L for rebound hammer test in accordance with IS:13311 Part-2 1992 by portable rebound hammer equipment at strategic locations.
4
M&L for core test: core cutting and compression test for RCC structure in accordance with IS:516 on RCC members. 70mm core cutting in reinforcement concrete, core filling by specialized epoxy material/ micro concrete with bond coat at strategic locations.
5
M&L for cover meter test on RCC member to asses covers at strategic locations.
6
M&L for chemical test for RCC structure in accordance with IS-456-2000 using ready made kits and reagents. Sample collected shall be from half cell/carbonation powder.(i) Determination of PH value.(ii) Determination of water soluble sulphates.(iii) Determination of water soluble chlorides contents at strategic locations.
7
M&L for half cell potential test for RCC structure in accordance with ASTM C876 half cell potential to assess the probability of corrosion of reinforcement at strategic locations.
8
Carbonation test for RCC structure in accordance with BS 181-201-1986 clause 2.22, carbonation test to measure extent of carbonation from the concrete surface at strategic locations.
9
Check & confirm present status of structure on basis on NDT results & visual inspection and various above tests and to provide recommendation for structure repairs and technical specification. Preparing bill of quantities for the repair etc. complete all as specified and directed.
10
Vetting of Report from approved government engineering collage.
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