bids are invited for custom bid for services - schedule a quarterly maintenance of fire extinguishers as per is 2190 2010 for a period of two years details as per annexure 1 , custom bid for services - schedule b high pressure testing hydraulic pressure testing of fire extinguishers as per is 2190 2010 for a period of two years once in two years details as per annexure 2 , custom bid for services - schedule c refilling of fire extinguishers as per is 2190 2010 for a period of two years once in two years details as per annexure 3 , custom bid for services - schedule d painting of abc and dcp and co2 type fire extinguisher once in two year details as per annexure 4 , custom bid for services - schedule e supply fitment of spares on need basis for dcp type and abc type and co2 type and water mist type fire extinguisher details as per annexure 5 total quantity :