supply and delivery of ready mixconcrete by using concrete mixer or batching plant of grade m25 conforming to is 456 2000 and is 10262 2019 of latest revision for solid slab super-structure and height upto 5 meter from durability consideration the value of minimum cement content and maximum water cement ratio to be consideredas per technical specification and supplier shall provide all necessary arrangements to deliver the rmc at the nearby pouring point which will instructed by engineer-in-charge or site representative