Answer the following, a) Given a Concrete Mix Ratio of 1:2:3, what is the computed number of cement bags per cubic meter of concrete? b) Given a Concrete Mix Ratio of 1:2:4, what is the computed required volume of gravel for 1 cubic meter of concrete? c) A team of 2 skilled mason and 4 laborers are assigned to work on a 20 cubic meter volume of concreting work. They finished the job in 5 days, working 8 hours a day. What is there Productivity rate for the activity?

Fundamentals Of Construction Estimating
4th Edition
ISBN:9781337399395
Author:Pratt, David J.
Publisher:Pratt, David J.
Chapter11: Pricing Concrete Work
Section: Chapter Questions
Problem 7RQ
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Answer the following,

a) Given a Concrete Mix Ratio of 1:2:3, what is the computed number of cement bags per cubic meter of concrete?

b) Given a Concrete Mix Ratio of 1:2:4, what is the computed required volume of gravel for 1 cubic meter of concrete?

c) A team of 2 skilled mason and 4 laborers are assigned to work on a 20 cubic meter volume of concreting work. They finished the job in 5 days, working 8 hours a day. What is there Productivity rate for the activity?

d) A concrete vibrator was rented for concreting works. Rent is at 750 Pesos per day. Concrete pouring was computed to be completed in 5 days, but was actually finished in 4 days. How much was budgeted for equipment rental?

e) My database for Formworks and Falseworks Unit cost is Php 1, 040 per sq. m. If I am to Construct 4 columns with height of 2.5 meters per column and Cross section of 0.3m x 0.4m, How much should my budget be for my formworks and falsework- based on the Unit cost?

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