Archive | February, 2009

Calculating Employee Compensation

Still absent from much of the discussion regarding state and local government budget deficits is an attempt to properly assess rates of worker compensation. But if one performs this exercise, normalizing for all present and future benefits, it immediately becomes clear that the true compensation of public employees is significantly higher than is being commonly reported, and this fact should be taken into account when arguing what may be the most effective and equitable way to eliminate deficits and avoid public sector bankruptcies.

It is common when considering how much one is paid by their employer to reference the annual gross income as the primary measurement – the number that appears on the IRS W-2 form, for example. But in reality this is a very misleading indicator. How much an employee makes should be calibrated according to how much it costs the employer each year in total direct expenditures for the employee not only for wages, but all present and future benefits. This grossed-up amount, in-turn, must be applied to the number of hours the employee actually works each year. This adjusted hourly rate can then be normalized, for example by multiplying by 2,080 (52 weeks at 40 hours per week) to create a rate of annual compensation.

The reason this is important is because rates of compensation, as opposed to base wages, are far more reliable indicators as to whether or not a workforce is relatively overpaid or underpaid compared to their counterparts. For example, a landscaper’s assistant working for a private non-union labor contractor may earn minimum wage, $8.25 per hour. Added to that is the employer’s contribution to social security and medicare, and a handful of other assessments such as workman’s compensation – all of which theoretically will come back to this worker at some point as a future benefit. These minimal assessments will add about 10% to this person’s compensation, meaning they are actually earning just over $9.00 per hour. Since they get no vacation or sick time at this entry level, their annual compensation is not $17,160 per year ($8.25 per hour times 2,080 hours per year), but actually $18,876 per year ($8.25 per hour times 110% times 2,080 hours per year).

In the private sector, this “overhead” that is actually compensation that directly benefits the employee can vary, with the 10% figure representing the low end of the spectrum. At the higher end, a private sector worker who makes, for example, $65,000 per year, may also have several benefits that increase their actual compensation. They will earn the employer’s payments on their behalf, which amounts to an additional 10% for social security and medicare. They will also potentially have their health insurance paid for, adding as much as another $12,000 per year or more. Sometimes there is an employer’s matching contribution to a 401K plan, possibly adding up to another 5%. If you add this all up, these lucky employees actually earn not $65,000 per year, but $86,750 per year ($65K times 115% plus $12K). In addition, the private sector employee may not work 2,080 hours per year – they may have 10 paid holidays and 10 vacation days, meaning they only work 1,920 hours per year. If you normalize this for a full year that totals 2,080 working hours ($87K divided by 1,920 times 2,080), you get a real annual compensation of $93,979 per year, or an “overhead” of 45%.

This range, between 10% and 45%, is pretty much representative of non-union, private sector overhead, and is a useful way of assessing how much employees are really making in compensation. The reality, with employer contributions to 401K plans becoming quite rare, along with contributory health care plans, is the private sector worker’s overhead compensation probably averages around 30%, if not lower.

Schwarzenegger attempted to
reform government to reduce deficits,
but was crushed by special interests.

In the public sector, compensation packages typically trend towards the higher end of this range – but what really gets them over the top is the value of their pensions and retirement health benefits. To begin this analysis, it is useful to compare how pensions are measured in the public sector, then compare that to the defined benefit that private sector workers get, i.e., social security.

Public sector pension benefits are calculated by multiplying a negotiated percentage amount by the number of years the employee works. This total percentage is then applied to the final annual salary of the worker. For example, it is common for city and county workers in California to get 2.7% per year towards their retirement, meaning if they work 30 years and retire at age 55, to calculate their retirement you would multiply 2.7% by 30, and apply that percentage to their final salary. For example, if they work for 30 years and are making $65K when they retire, they will earn 2.7% times 30 times $65K when they retire, or $52,650 per year in retirement pension benefits.

California state workers on average earn somewhat less than this; they will get 2.0% per year typically towards this retirement calculation – do the math and you will see that a California state worker who completes their employment after 30 years at a final annual working salary of $65K will get an annual retirement benefit beginning around age 55 of $39,000 per year.

To compare this to social security, you have to work backwards. If you reference the “Social Security Estimator” webpage, you will see that a person who pays into social security, retiring at age 65 (ten years later, working 40 years instead of 30 years) with an ending salary of $65K, will earn $19,308 per year in social security payments. This annual amount, earned after 40 years instead of 30 years, is only 49% of what state workers will typically get, and only 36% of what city and county workers will get. If you use their terminology, it equates to 0.7% per year, versus 2.0% or 2.7% per year for government workers.

Returning to how this applies to total compensation, the way retirement pensions and health benefits affect real compensation in the public sector, normalized for all benefits, is quite dramatic. During the years public sector employees work, the funding requirements of their future benefits need to be paid. While ongoing funding allows interest to be earned, the real return of these funds is not likely to exceed 5% per year, if that. Despite a run of excellent returns in recent years, fueled by unsustainable debt fueled economic “growth,” in general funds large enough to service pensions for millions of workers cannot experience real growth greater than the rate of overall economic growth for the economy at large. A good global fund should not be expected to grow faster than the sustainable rate of global economic growth, which has never exceeded 4% historically (ref. Humanity’s Prosperous Destiny); this is a realistic if not optimistic real rate of return, adjusted for inflation. Let’s also assume a public employee works for 30 years, retires at age 55, lives to be 75, and started their career earning a salary paying one-half as much as what they earned by the end of their career, with the increases spread evenly through their 30 year working life. Assume these are merit increases since we are dealing with real dollars, and similarly, since we are using real dollars, assume no cost of living adjustments during retirement. All of these assumptions, please note, will lower the amount of funding required each year. Assume they are state workers, meaning they “only” get 2.0% per year applied to their retirement calculation.

The math is somewhat complex, but here is the result: At a return of 4% per year, a state worker will have to have an additional 19% of their salary contributed to their pension fund each year they work in order for the fund to accumulate enough to pay them their defined pension until they reach the age of 75. During the years they work, they will also have to have annual contributions made for their future health benefits – to say these amounts would be at least 2.0% more of their salary, which is about what medicare requires, would be a generous understatement, since public employees often receive supplemental health coverage for the period prior to age 62 when medicare eligibility begins, and they often receive coverage to supplement medicare as part of their retirement. For a state employee making $65K per year, this 21% of salary set-aside for their future health care and pension must be paid each year, and this is part of their compensation. Just as an aside, a city or county worker who gets a 2.7% per year pension plan, earning $65K per year at retirement, with a fund earning a realistic 4% per year, would require 27% (including the understated 2% for future health benefits) on top of their salary put into a retirement fund each year. Those in public safety who earn a 3.0% pension package, under these assumptions, would require 31% of their salary to be paid each year to adequately fund their retirement benefits.

It doesn’t end there. Public employees don’t work as many hours each year. Instead of 10 holidays, usually they get at least 15. Instead of 10 days of vacation, over their career, on average, if you include “personal days” as well as vacation time, public employees get at least 30 paid days off annually, 50% more than private sector workers. This is not to mention the “9/80″ program where they get to work 9 days every two weeks instead of the normal 10 days, so long as they work an extra hour per day – hmmm, lunch at the desk and a few minutes early to arrive and a few minutes late to leave – sounds like a typical salaried job in the private sector, but never mind – and what about teachers who get summers off?

Where does this put us? If an executive in the private sector making $65K per year is going to actually make, best case, $94K per year, with an overhead of 45%, what is the overhead, and true compensation for a public employee?

Using the state worker as an example, you will take $65K, add 21% for funding future retirement benefits, add $12K for health benefits (apples and apples here – in reality health benefits are on average much better for public sector workers), normalize for 30 paid days off per year instead of 20, and you get an adjusted compensation of $102K per year, or an overhead of 58%.

It is important to note that a private sector workers overhead component of their total direct compensation of 45% is the absolute high end, whereas the overhead for a state worker in this example of 58% is the low end. For example, if you do the same analysis for a city/county worker on the 2.7% per year plan, you get a normalized annual compensation of $108K, with an overhead rate of 67%. If you account for the impact of additional benefits such as the “9/80″ programs that amount to 26 more paid holidays a year, a city/county worker making $65K per year really makes $122K per year; an overhead rate of 89%.

There’s more. In previous decades, workers in the public sector exchanged lower salaries for better benefits. That is, they would get overhead benefits of, say, 60% vs. 30% in the private sector because a job that paid $65K in the private sector would only pay $50K in the public sector. Those realities – aside from the oft-cited “overpaid private sector executives” (probably less than 1% of the private sector workforce and hence totally irrelevant) – have now been flipped. Public sector workers now make more in base salary than private sector workers doing jobs requiring comparable skills and comparable risks. Obviously some public sector jobs should pay a premium – but the question is how much of a premium is too much.

The reality today is this – a mid level bureaucrat in the public sector probably will make about $65K per year, which with benefits of 58% (on the low side) will normalize to $102K per year. A white collar worker or skilled technician in the private sector, doing work requiring equivalent skills will probably earn $50K per year if they’re lucky, with an overhead benefit of 30%, which equates to $65K per year. Public employees now make about twice as much as private sector employees make.

When one does an in-depth analysis of the real rates of employee compensation in the public sector vs. the private sector, the solution to government deficits is clear. The solution is not “furloughs” or even layoffs. The solution is to cut their pay and their benefits to levels equivalent to what people make in the private sector. This step would not only restore equity to the workforce, but would immediately eliminate the structural deficits endured by state and local governments.

Posted in Other, People, Policy, Law, & Government7 Comments

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Bacteria-Powered Recovery of Toxic Metals

Selenium is a potent environmental contaminant produced by oil refineries and chemical plants. Removing it from industrial wastewater takes time and money. To date, the process has involved a chemical process that employs catalytic reduction to convert selenium to an inert form.

Japanese researchers from Osaka University and Shibaura Institute of Technology have now developed a new way to use a strain of bacteria to recover selenium in wastewater. The researchers’ novel approach uses a bioreactor. In the reactor, the conversion of toxic selenium to a nontoxic form takes about 50 hours.

Once the recovery process is completed, the resulting waste sludge is burnable ash instead of water-laden sludge, which is costly to remove and dispose. Another benefit: the process permits recovery of Se, which has gone up in price from $2.01 per pound in 1996 to $47.4 per pound in 2005.

Researchers Satoshi Soda of Osaka University and Mitsuo Yamashita of Shibaura Institute of Technology have a developed a pilot plant reactor with Shinko Chemical in Japan that was completed last year. It has two bioreactor vessels and is able to process 400 liters of sludge at a time and 0.2 million gallons in a year. The researchers have plans to build larger systems for testing and validation. Researchers recently presented their findings at the Japanese University Network in the Bay Area (JUNBA) 2009 symposium in San Francisco.–Lee Bruno

Posted in Science, Space, & Technology1 Comment

Onsite Wastewater Treatment

The trend towards infrastructure decentralization is well understood with respect to energy production. Since humanity’s collective energy requirements will double in the next generation – even with extraordinary improvements in energy efficiency – thousands of new utility scale energy developments will compete with, for example, millions of solar arrays deployed on rooftops.

Another example of infrastructure decentralization is in the many waste-to-energy technologies under development. These solutions have utility scale applications, but also onsite applications, as reported in our recent post “Onsite Waste-to-Energy.” In both of these areas, energy production, and disposal of municipal solid waste, there is a great deal of overlap where centralized solutions vs. decentralized solutions display remarkable parity when considering overall costs to implement.

Treating wastewater, however, is not only another area where decentralized solutions are rapidly evolving, but appears to offer a broader range of situations where decentralized wastewater solutions are already clearly more more cost effective than utility scale solutions. In recent years these decentralized sewage treatment applications have become not only much cheaper to implement, but deliver better solutions for aquifer health and overall watershed management.

According to the American Society of Civil Engineers, in the United States there are 16,000 major wastewater treatment facilities. All of these large plants collect sewage from urbanized areas through large, usually gravity fed pipes, discharging the treated water well downstream from the source. Because these plants are so big, and the collection pipes so old, and because maintenance on many of these thousands of systems has been deferred for years if not decades, it is often no longer cost-effective to tap into these legacy systems to accomodate new construction.

Meanwhile, small-scale wastewater treatment systems that have traditionally been installed are not representative of technologies available today. Many communities rely on wells for drinking water and ideally wish to recycle this water back into the aquifers onsite. Their onsite water treatment systems are inadequate to meet today’s water standards, however, so while they are properly replenishing their aquifers with localized systems, often the percolating wastewater is not sufficiently cleaned and is degrading the overall quality of the aquifer. But the cost of upgrading these systems and deploying modern decentralized systems to accomodate new construction in rural areas and outlying suburbs is far cheaper than the cost to extend sewers upstream to service every remote home or community.

AquaTech’s patented trickling filter
uses gravity to increase efficiency
(Diagram: AquaTech Systems)

One company addressing this burgeoning market for cost effective onsite wastewater treatment is AquaTech Systems, based in Fayetteville, Arkansas, with installed systems all over the world. The array of solutions they offer provide a compelling illustration of just how much money a developer or a municipality can save by going off-grid with their waste water treatment infrastructure.

For example, the cost to extend “big pipe” gravity fed sewers into small communities can cost as much as $40 per linear foot, even without rock excavation. A typical bill to an individual homesite – whether they are upgrading or for new construction – can be over $20,000 per connection. By using smaller diameter pressure sewer pipe, the cost can be reduced to under $5.00 per linear foot. In turn, these collection pipes can feed into small scale treatment plants located within the local community, reducing the diameter and length of total pipe required by orders of magnitude.

Similarly, the cost per household to finance a small scale wastewater treatment plant can be significantly lower than tying into a large urban water treatment plant. These small scale facilities now can treat wastewater to standards comparable to the larger facilities, while releasing the treated water into the aquifers onsite upstream, instead of conveying raw sewage through often leaking pipes to be treated at a central facility well downstream.

Some of the technologies that have made cost effective quality onsite water treatment a reality include fixed film treatment processes that have been systematically improved over the past 20 years. AquaTech Systems offers the “BioTank” treatment reactor, a container-sized module utilizing microorganisms that adhere to a high surface area media submerged in the wastewater. Much of this process borrows from large scale water treatment plants, but now that the microbial process is better understood, and with advances in materials such as high surface area media, today it is possible to offer high quality wastewater treatment at the scale of a neighborhood or small community.

Aquatech Systems offers a number of innovative solutions, such as a “trickling filter” that recirculates effluent through a tower shaped bioreactor. This configuration allows the treatment process to be accelerated by taking advantage of gravity to move the effluent through the microbial digesters. All of AquaTech System’s solutions are modular and can be scaled to address the needs of anywhere from 10 to 10,000 households.
post resumes below image

The container-sized AquaTech bioreactor is available in
modules and can accomodate from 10 to 10,000 households.
(Diagram: AquaTech Systems)

The promise of off-grid solutions is not only of immense value to developed nations such as the United States, where the crippling cost of inefficient public sector bureaucracies nearly precludes necessary infrastructure upgrades, but equally throughout the world. In nations without legacy investments in grids for communications, energy, and treatment of solid waste and wastewater, advanced decentralized solutions will offer emerging nations dramatically more cost effective opportunities to build a 21st century infrastructure.

Posted in Drinking Water, Energy, Energy Efficiency, Infrastructure, Microorganisms, Solar4 Comments

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