Transporting & placing the concrete. 2.4.1 The concrete shall, be handed from the place of mixing to the final position in not more than 15 minute by the method as directed and shall be placed into its final position, compacted and finished within 30 minutes of mixing with water i.e. before the setting commences. 2.4.1 The concrete shall be laid in layers of 15 cms to 20 cms. 2.5
