The Bureau of Indian Standards, as per IS Code 458 : 2021, has set design and strength test requirements for NP4 Class RCC Pipes. At Shubh Sanskar Concrete, we follow NP4 pipe specification specified by BIS while manufacturing RCC NP4 class pipes. These concrete pipes undergo rigorous testing to ensure their durability and performance adhere … Continue reading RCC NP4 Pipe Specification