A manhole cover is a removable plate which forms the lid over the opening of a manhole, to prevent anyone or anything from falling in, and also keeping out unauthorized persons or material. The bearing surfaces of manhole frames and covers are machined to assure flatness and prevent them from becoming dislodged by traffic. Specifications of cast iron manhole covers and frames shall be in accordance with IS 1726:1991. Get the best quality manhole covers and earthing material from Atul Casting, known for its brand value and quality in Delhi. Earthing material include GI Earthing Strips, earthing products, earthing rod, GI earthing strip manufacturers, GI strip manufacturer, earthing strips , earthing grounding products etc To know more about our products contact us via email at atul.gsw@gmail.com or visit our website http://www.atulcasting.in/. you may call us on +91 9873361672, +91 9810085072, +91 8048034521