A building contractor is faced with the problems of possibly paying liquidated damages of P20,000.00 per day for the delay in the completion of work in accordance with the contract.   The facts are as follows   Number of days left in the contract time is 30 days At present the working force are; 40 skilled workers with a daily wage of P700.00/day/worker   20 unskilled workers with a daily wage of P520.00/day/worker overtime rate is 25%   This is on an 8-hr day work. If he maintains the present number of men, he will finish the work in 50 days; more than regular rate.   Analyze/answer the following cases. Which case is the best engineering economic decisions?   If he allows the present working force to work overtime for 2 hours a day, in how many days will he finish the work. How much are the savings or the loss? If the contractor puts additional men maintaining the ratio of two skilled workers to one unskilled in order to finish the work on time, how many workers will he add? No overtime work in this case. Should the contractor allow overtime work for two hours a day, how many men will he add in order to finish the work on time? How much will he save or loss?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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A building contractor is faced with the problems of possibly paying liquidated damages of P20,000.00 per day for the delay in the completion of work in accordance with the contract.  

The facts are as follows  

  1. Number of days left in the contract time is 30 days
  2. At present the working force are;

40 skilled workers with a daily wage of P700.00/day/worker  

20 unskilled workers with a daily wage of P520.00/day/worker overtime rate is 25%  

This is on an 8-hr day work. If he maintains the present number of men, he will finish the work in 50 days; more than regular rate.  

Analyze/answer the following cases. Which case is the best engineering economic decisions?  

  1. If he allows the present working force to work overtime for 2 hours a day, in how many days will he finish the work. How much are the savings or the loss?
  2. If the contractor puts additional men maintaining the ratio of two skilled workers to one unskilled in order to finish the work on time, how many workers will he add? No overtime work in this case.
  3. Should the contractor allow overtime work for two hours a day, how many men will he add in order to finish the work on time? How much will he save or loss?
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