VACATION/SICK DAYS: For your first 3 years of service you earn vacation at 4 hours per pay period (26 pay periods per year) for a total of 13 days. After 3 years of service you earn 6 hours per pay period and adjusted to total 20 days per year. After 15 years service you earn 8 hours per pay period or 26 days a year.
1 For a 2,000 square foot roof, this amounts to a total cost of around $10,000 to $60,000.  Concrete roof tile costs are generally around $5 to $10 per square foot, or $10,000 to $20,000 for a 2,000 square foot roof.
While the cost of concrete roof tiles varies by region, manufacturer or other factors, you can expect to pay between $310 and $500 per square installed, according to a 2014 article on BobVila.com. This figure is roughly half the cost of clay roofing, which costs $700 to $1,000 per square.epending on the material you choose, asphalt shingles cost $150 to $300 per square as of 2014, according to BobVila.com. These shingles last 15 to 25 years before they need replacement, compared to concrete roof tiles, which last 50 years or more.