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Cost Estimate Background Calculations

... for Estimate Of Operating Costs

posted January 07, 2009

We have gone to several disparate sources to arrive at an estimate of annual (seasonal) operating costs of Toronto's 49 outdoor rinks (AIR's Artificial Ice Rinks). This page has the scenarios that we reviewed. We took what we believed to be the most supportable figures for our overall estimate. See also PFR Final Full Costing and Pricing Study Report, 2007, page 25.

1. Material gleaned from debate about Extending Artificial Ice Skating Season 2008

From a City Staff report and background paper (page 5 - quotes in italic):

There are no financial implications arising from this report. The total operating cost of keeping 14 city-owned and operated outdoor artificial ice rinks open for an additional two week period in early March is $172,000.

That would be $12, 286 per rink for two weeks, or $878 per day.

The second option of keeping all 49 rinks open would cost approximately $700,000

That would be $14,286 each, or $1020 per day.

Staff investigated a third option involving a two-week extension of the outdoor skating season at five additional outdoor artificial ice rink locations that met the above noted criteria. However, the additional annual operating cost of keeping these additional rinks open was $71,000

That's $14,200 each, or $1014 per day.

So that results in an estimate of between $880 and $1,020 per day per rink.

Annual budget would therefore be, by extension, for 12 weeks

49 x $1000 x 12 x 7 = $4,116,000,

about $4M, plus early and late openings.

But that makes a big assumption about average cost, as rinks vary in size and complexity.

2. From a CELOS Information Bulletin, March, 2008

We obtained energy audit baselines, (see extracted AIR numbers (excel) - only 42 were listed - totalling over $1.9M) and averaged these to $500 per day for large rinks, and $288 per day for smaller rinks. Note that in the freedom of information request below the utility costs are estimated to be much lower.

Utility cost
about $500 per day for double or large; about $288 per day for normal size (source: City of Toronto: Energy Efficiency Retrofits List. Energy & Waste Management Office; see also City of Toronto Freedom of Information request, November 7, 2007)
Zamboni operator
about $340 per day (source www.local416.org 2007/2008 winter work selection)
One rink guard
12 hours $138 per day

Therefore

For energy:

  • 12 large rinks x 500 per day (84 days = $504,000) + 37 smaller rinks x 288 per day (84 days = $895,104) = $1,399,104

Overall costs

  • One double pad rink (or large rink) cost $978 per day ($500 + $340 + $138)
  • Single pad, $766 per day. ($288 + $340 + $ 138)

From the pamphlet:

Cost for 8 rinks to run two weeks in March (conservatively) $100,704

Some of the smaller rinks are cheaper to run. Even so: additional cost if the city had kept all 49 oudoor rinks open to the end of March break = $514,668

This cost of keeping all 49 rinks open for two extra weeks is considerably less than the city's own estimate (see section 1 above), perhaps owing to an underestimate of overall staffing allocation.

To generalize,

12 large rinks, 37 smaller rinks, 12 weeks = 84 days would be

(12 x 978 x 84 = ) 985,824 + (37 x 766 x 84 = 2,380,728)

Total 3,366,552 ~ $3.37M

3. From a cityrinks.ca article Operating budget, outdoor rinks 2007
...regarding the budget crisis of the day:

city reports estimate of $1.7M per year for 2006, identified as an estimate.

Given the other estimates, this one is not credible.

From the article:

At the October 17 CELOS rink meeting, outdoor rinks manager Kevin Bowser said that the City uses about 50 seasonal zamboni drivers and 30 permanent staff zamboni drivers. If a zamboni driver costs the city about $30 an hour counting benefits (that number may be too low), that means each driver would cost $14,400 per twelve-week season, i.e. $1.15 million for all the zamboni drivers, for a 12-week season.

Mr. Bowser said that he was not counting rink mechanical staff

So extending those numbers:

$1.15 million for zamboni drivers

$500 per day utilities x 12 rinks x 12 weeks = 504,000 $288 per day x 37 rinks = 895,000

Total energy 1.4 million

Rink guards 2 (x 12 hours) x 12 rinks, 1 (x 12 hours) 37 rinks x 84 days (12 weeks) x $138 per day = 2016 days + 3108 days = 5124 days x $138 = 707,112 ~ .7M

Zamboni + Energy + rink guards = 1.15 + 1.4 + .7 = 3.25M

4. Response to CELOS Freedom of information request response November 7, 2007

From a freedom of information request we were told that recreation staff costs for 2004 was about $0.5M.

For note references below see our original posting about this request.

Costs of three months of the A.I.R.'s in 2006:

Permanent staff: $940,030 (see note 1)

Local 416 Seasonal ice maintenance staff: $725,848 (see note 2)

Local 79 Seasonal Recreation staff: $456,334 (see note 3)

Total salaries and benefits: $2,122,211

Salary cost per stand-alone A.I.R. for these three months: $50,529

Utilities: $1,099,800 (see note 4)

Other: $510,823

Total non-salary Expenses: $1,610,623

Estimated utility cost per stand-alone A.I.R. for three months: $26,186

Estimated "other" cost per stand-alone A.I.R. for three months: $12,162

"Gross expenditures" (estimated) for these three months: $3,732,834

Total (gross) expenditures for three months per A.I.R.: $88,877

5. Calculation of maintenance payroll costs from information provided by city staff

We learned from job postings that PFR advertised for 59 lead hands, 26 arena pool operators, level 2.

Standard benefit costs of 24% were added to these:

59 lead hands $26.93 + 24% ($6.46) = $33.39 per hour

8 hours x 5 days x 12 weeks = $945,605

13 arena pool operators level 2 $23.55 + 24% ($5.65) = $29.20 per hour

8 hours x 5 days x 12 weeks = $182,208

12 arena pool operators level 2 (seasonal) $23.55 + 24% ($5.65) = $29.20 per hour

8 hours x 5 days x 12 weeks = $168,192

1 arena pool operators level 2 (regional) $23.73 + 24% ($5.70) = $29.43 per hour

8 hours x 5 days x 12 weeks = 14,126

Total $1,310,131 ~ $1.31M for maintenance staff


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Content last modified on January 08, 2009, at 08:37 AM EST