Our project is an EPC project and most of our codes in the contract is American among them for concrete we are using ACI-318M-14, ACI-350M-06 etc.
We are practising Americal code these days, it's very limitless at this stage where there is no any counsellor in our office.
One of our problems right now in "Standard Hooks" of beams/slab bars embedded in the walls/columns and other structural, contractors said that they will provide the straight bar with sufficient development length without hooks, as far as my knowledge hooks provide extra anchorage and we counsel them to provide development length with the standard hooks but they are refusing repeatedly.
I want to know what the code states regarding the configuration of development length inside the walls/columns and other structure, is the straight bar inside the wall/other structure with sufficient development length is correct or need hooks. Please give advice to me.