Tender For corrigendum : supply of door seal for scraper trap or pig barrel of size 36 inch x 40 inch , door seal for scraper trap or pig barrel of size 36 inch x 42 inch , door seal for scraper trap or pig barrel of size 42 inch x 46 inch , door seal for scraper trap or pig barrel of size 42 inch x 48 inch , door seal for scraper trap or pig barrel of size 48 inch x 56 inch , door seal for scraper trap or pig barrel of size 18 inch x 22 inch , door seal for scraper trap or pig barrel of size 18 inch x 20 inch , door seal for scraper trap or pig barrel of size 16 inch x 22 inch , door seal for scraper trap or pig barrel of size 16 inch x 18 inch , door seal for scraper trap or pig barrel of size 12 inch x 18 inch , door seal for scraper trap or pig barrel of size 4 inch x 10 inch , door seal for scraper trap or pig barrel of size 8 inch x 10 inch , deployment of service personnel for taking measurements and testing at site