Below is an item from a Bill of Quantities. Number Item Description Rate Unit Quantity Amount (USS) (USS) A510 Prime Cost item - Diversion of cables by C&W Jamaica Sum Assuming that a trench is 1.5m deep and 500m long has to be excavated in open ground, a new telecommunication main (material cost = US$ 100 per m) laid and the trench backfilled. As a representative of the Nominated Sub- Contractor, C&W Jamaica: i. Prepare a method statement and a risk assessment for the prime cost item. (15 marks) ii. Estimate the cost (amount) of the prime cost item. (10 marks) [25 marks] Below is an item from a Bill of Quantities. Number Item Description Rate Unit Quantity Amount (USS) (USS) A510 Prime Cost item - Diversion of cables by C&W Jamaica Sum Assuming that a trench is 1.5m deep and 500m long has to be excavated in open ground, a new telecommunication main (material cost = US$ 100 per m) laid and the trench backfilled. As a representative of the Nominated Sub- Contractor, C&W Jamaica: i. Prepare a method statement and a risk assessment for the prime cost item. (15 marks) ii. Estimate the cost (amount) of the prime cost item. (10 marks) [25 marks]