As a benchmark, one inch of solid wood has an R-value of 1. In comparison, an inch of blown fiberglass insulation has an R-value of 3.1 - 3.4 and an inch of blown cellulose in an attic has an R-value of 3.2 - 3.7. Along with knowing the R-value of a particular insulation, it is also important to calculate the R-value of a total system.
54 MARTA Employee Salaries. MARTA employees earn $41,500 annually on average, or $20 per hour, which is 38% lower than the national salary average of $61,000 per year. According to our data, the highest paying job at MARTA is an Electronics Technician at $41,000 annually while the lowest paying job at MARTA is a Bus Operator at $32,000 annually. Advertisement.
The average salary for bus attendant jobs is $28,000. Average bus attendant salaries can vary greatly due to company, location, industry, experience and benefits.This salary was calculated using the average salary for all jobs with the term bus attendant anywhere in the job listing.his free salary calculator uses salary data from millions of job listings indexed by Simply Hired's job search engine. The bus attendant salary comparisons feature allows job seekers to get the information required to make important career decisions and negotiate salary ranges.