Tender For supply of visual inspection and photography performing a visual survey of the building and recording/maping on drawing to assess extent of spelled concrete, cracked concrete, honey combing, reinfocement corrosion, delaminated concrete etc, taking photographs and videos to collect evidence of damage to structure., ultrasonic pulse velocity test for rcc structure in accordance with is 13311 part-i 1992 by portable ultrasonic non destructive digital test equipment including chipping out plaster at strategic locations., rebound hammer test: rebound hammer test in accordance with is 13311 part-2 1992 by portable rebound hammer equipment at strategic locations., core test: core cutting and compression test for rcc structure in accordance with is:516 on rcc members. 70 mm core cutting in reinforcement concrete, core filling by speialized epoxy material/micro concrete with bond coat at strategic locations., reinforcement mapping :- reinforcement mapping test on rcc members to assess covers, spacing of bars including approximate diameter at strategic locations., chemical test for rcc structure in accordance with is 456-2000 using ready made kits and, reagents. sample collected will be from half cell/carbonation powder. (i) determination of ph value. (ii) determination of water soluble sulphates. (iii) determination of water soluble chloride contents at strategic locations., 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., carbonation test for rcc structure in accordance with bs 1881-201-1986 claus 2.22 corbonation test to measure extent of carbonation from the concrete surface at strategic locations., providing & installing standard precision tell- tales for crack monitoring & recording., providing installation 2mm thick glass strip for crack monitoring & recording., carry out excavator at 3 locations to verify size of footing on site., to assess the existing soil at founding depth by taking soil samples and carrying out shear strength test, index properties test, consistency limits & obtain sbc at founding depth geo-tech consultant., to assess the structural condition crack patterns and submit structural inspection report with remedial measures, to provide vetting report from iit mumbai with detailed calculation and drawing further submission to ce office.
Tender For supplying and installation of 4.5 kg co2 type and 9 liters abc type fire extinguisher along with refilling of portable type fire extinguisher of different capacity for different floor at minority bhawan building during the year 2025-2026.
Tender For providing portable office cabins for temporary reception and security office, temporary barricading to the reception building and diversion of plumbing lines at antariksh bhavan, isro hq, bengaluru - civil, ph and electrical works.
Tender For supplying of new fire extinguishers and refilling the existing portable fire extinguishers of annex building-iii within sales tax complex at 14,beliaghata road, kolkata-700015.
Tender For maintenance of operation of different valves provided at water intake points (brlf & nullah), water woks complex, filtration plant, reserve tank, distribution of water to service building, colonies, lmg rly. station other establishment through existing network, operation of sewages treatment plants (stp) along with other ancillary work and supplying of portable water through pump mounted vehicle (tanker) during emergency in greater lmg area for a period 2 years under the jurisdiction of aden/ii/lmg.