Round two Delphi study results – elements of maintenance budget for maintenance management of buildings in Nigerian built environment
| Sub-attributes of maintenance budget | Median (M) | Mean | Standard deviation (σx) | Interquartile deviation (IQD) | Mean scores ranking (R) |
|---|---|---|---|---|---|
| Prioritization of maintenance financing | 9 | 8.73 | 0.44 | 0.55 | 7 |
| Valuation of maintenance operation budget | 8 | 8.20 | 0.83 | 1.00 | 12 |
| Maintenance operation financing | 8 | 8.20 | 0.65 | 1.00 | 12 |
| Optimizing maintenance resources | 6 | 5.90 | 1.46 | 2.00 | 20 |
| Market and financial terms of operations | 8 | 8.00 | 0.52 | 0.00 | 14 |
| Maintenance budget implementation | 9 | 9.14 | 0.34 | 0.00 | 1 |
| Asset maintenance prioritization | 6 | 6.01 | 1.16 | 2.00 | 18 |
| Optimization of finance outsourcing | 8 | 7.99 | 0.52 | 0.00 | 15 |
| Audit of maintenance operational cost | 9 | 8.38 | 0.72 | 1.00 | 10 |
| Yearly maintenance budgets certainties | 8 | 8.26 | 0.85 | 1.00 | 11 |
| Cash flow indexing | 9 | 8.81 | 0.75 | 1.00 | 6 |
| Planning for future asset replacement | 5 | 5.60 | 1.59 | 2.00 | 21 |
| Cost implication of maintained asset | 9 | 8.87 | 0.64 | 0.50 | 5 |
| Reduction in maintenance expenditure | 9 | 8.93 | 0.70 | 0.50 | 3 |
| Maintenance financial plan | 9 | 8.93 | 0.59 | 0.00 | 3 |
| Maintenance operation system improvement | 6 | 6.00 | 1.25 | 2.00 | 19 |
| Incorporation of financial indicators | 9 | 8.47 | 0.83 | 1.00 | 9 |
| Optimization of business profitability | 6 | 6.40 | 1.30 | 2.00 | 16 |
| Maintenance funding* | 9 | 8.67 | 0.62 | 0.50 | 8 |
| Maintenance materials assessment* | 6 | 6.33 | 1.40 | 2.00 | 17 |
| Corruption-free maintenance process* | 9 | 9.13 | 0.74 | 1.00 | 2 |
| Sub-attributes of maintenance budget | Median ( | Mean | Standard deviation (σx) | Interquartile deviation (IQD) | Mean scores ranking ( |
|---|---|---|---|---|---|
| Prioritization of maintenance financing | 9 | 8.73 | 0.44 | 0.55 | 7 |
| Valuation of maintenance operation budget | 8 | 8.20 | 0.83 | 1.00 | 12 |
| Maintenance operation financing | 8 | 8.20 | 0.65 | 1.00 | 12 |
| Optimizing maintenance resources | 6 | 5.90 | 1.46 | 2.00 | 20 |
| Market and financial terms of operations | 8 | 8.00 | 0.52 | 0.00 | 14 |
| Maintenance budget implementation | 9 | 9.14 | 0.34 | 0.00 | 1 |
| Asset maintenance prioritization | 6 | 6.01 | 1.16 | 2.00 | 18 |
| Optimization of finance outsourcing | 8 | 7.99 | 0.52 | 0.00 | 15 |
| Audit of maintenance operational cost | 9 | 8.38 | 0.72 | 1.00 | 10 |
| Yearly maintenance budgets certainties | 8 | 8.26 | 0.85 | 1.00 | 11 |
| Cash flow indexing | 9 | 8.81 | 0.75 | 1.00 | 6 |
| Planning for future asset replacement | 5 | 5.60 | 1.59 | 2.00 | 21 |
| Cost implication of maintained asset | 9 | 8.87 | 0.64 | 0.50 | 5 |
| Reduction in maintenance expenditure | 9 | 8.93 | 0.70 | 0.50 | 3 |
| Maintenance financial plan | 9 | 8.93 | 0.59 | 0.00 | 3 |
| Maintenance operation system improvement | 6 | 6.00 | 1.25 | 2.00 | 19 |
| Incorporation of financial indicators | 9 | 8.47 | 0.83 | 1.00 | 9 |
| Optimization of business profitability | 6 | 6.40 | 1.30 | 2.00 | 16 |
| Maintenance funding* | 9 | 8.67 | 0.62 | 0.50 | 8 |
| Maintenance materials assessment* | 6 | 6.33 | 1.40 | 2.00 | 17 |
| Corruption-free maintenance process* | 9 | 9.13 | 0.74 | 1.00 | 2 |
Note(s): *Values connotes variables suggested by expert pannelists
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