Allow 625g per person. Roast for 15 minutes per 450g. Roast at 230Â°C/fan210Â°C/gas 8 for the first 20 minutes, then decrease the oven temperature to 180Â°C/ fan160Â°C/gas 4 for the remaining cooking time. Allow 575g per person.
the 5,000 psi is the amount of pressure the concrete can withstand  before it will crush. it has nothing to do with water proofing. to  find out if you need water proofing y â¦ ou need to know how poores the  concrete is and how quickly the ground out side will drain water.
Concrete is formulated at different strengths. Most of the bagged concrete mixes are rated at 4,000 pounds per square inch (psi). That strength is achieved so long as you don't add too much water to the mix. They tell you on the bag labels how much water to add to get to that strength. Pay attention to that.