Fluoridation costs
CAPITAL COSTS
New Plymouth
Inglewood
Oakura
Okato
Item
No. items
Intial value
Intial value
Intial value
Intial value
Tank
1
$ 3
5,000.00
$ 2
,000.00
$ 2
,000.00
$ 2
,000.00
Tank level transmitter
1
$ 2
,000.00
$ 2
,000.00
$ 2
,000.00
$ 2
,000.00
Grundfos dose pumps
2
$ 1
4,000.00
$ 1
4,000.00
$ 1
4,000.00
$ 1
4,000.00
ABB Analyser
1
$ 4
0,000.00
$ 4
0,000.00
$ 4
0,000.00
$ 4
0,000.00
Flow meter
1
$ 5
,000.00
$ 5
,000.00
$ 5
,000.00
$ 5
,000.00
Valves
10
$ 1
,500.00
$ 1
,500.00
$ 1
,500.00
$ 1
,500.00
PRV
2
$ 1
,650.00
$ 1
,650.00
$ 1
,650.00
$ 1
,650.00
Pressure control valve
1
$ 8
25.00
$ 8
25.00
$ 8
25.00
$ 8
25.00
Pipework
1
$ 2
5,000.00
*Estimate
Building works
1
$ 6
0,000.00
*Estimate
Electrical
1
$ 2
0,000.00
*Estimate
Capital Costs Total
$ 1
84,975.00 $ 6
6,975.00 $ 6
6,975.00 $ 6
6,975.00
*al ow for containment only. Chemical is
supplied in a container
CHEMICAL COSTS
supply basis
bulk
ibc
drum
drum
Ixom pricing
$457.72/T
$790/box
$450/drum
$450/drum
pricing based on mass HFA
457.72/t
663/t
1891/t
1891/t
Mass HFA per unit
/T
1000l
200l
200l
Dose Calculation
target dose
g/m3
0.70
0.70
0.70
0.70
annual water volume
m3 pa
1
1,845,606
6
18,507
2
70,246
1
55,778 average volume last 6 years
mass of fluoride
kg
8
,292
4
33
1
89
1
09
mass of HFA
18% solution (T)
46.1
2.4
1.1
0.6
volume of HFA
specific Gravity = 1.19
54.8
2.9
1.3
0.7
price HFA
$/T
$ 4
57.72
$ 6
63.00
$ 1
,891.00
$ 1
,891.00
Expected spend on fluoride
chemical
$ 2
1,085.44 $ 1
,594.72 $ 1
,987.36 $ 1
,145.57
OPERATIONS MAINTENANCE COSTS
Weekly analyser validation (Annual)
1
$ 2
,939.20
$ 2
,939.20
$ 2
,939.20
$ 2
,939.20
Weekly MoH lab test (Annual)
1
$ 1
,118.00
$ 1
,118.00
$ 1
,118.00
$ 1
,118.00
Analyser consumables - reagents (Annual)
1
$ 8
36.87
$ 8
36.87
$ 8
36.87
$ 8
36.87
Analyser consumables - Electrodes, cams,
tubing, motors (Annual)
1
$ 2
,345.83
$ 2
,345.83
$ 2
,345.83
$ 2
,345.83
Chemical unloading & purchasing annual staff
cost
1
$ 8
25.00
$ 8
25.00
$ 8
25.00
$ 8
25.00
Maintenance per year (mainly staff time)
1
$ 1
,813.75
$ 1
,813.75
$ 1
,813.75
$ 1
,813.75
Electricity
1
$ 9
23.75
$ 9
23.75
$ 9
23.75
$ 9
23.75
HSNO / legislative fees
1
$ 1
50.00
$ 1
50.00
$ 1
50.00
$ 1
50.00
New installation approvals?
Ops/ Maint Total
$ 1
0,952.40 $ 1
0,952.40 $ 1
0,952.40 $ 1
0,952.40
DEPRECIATION
Annual Straight Line Depreciation
Assumed life
Tank
25
$ 1
,400.00
$ 8
0.00
$ 8
0.00
$ 8
0.00
Tank level transmitter
10
$ 2
00.00
$ 2
00.00
$ 2
00.00
$ 2
00.00
Grundfos dose pumps
10
$ 1
,400.00
$ 1
,400.00
$ 1
,400.00
$ 1
,400.00
ABB Analyser
10
$ 4
,000.00
$ 4
,000.00
$ 4
,000.00
$ 4
,000.00
Flow meter
25
$ 2
00.00
$ 2
00.00
$ 2
00.00
$ 2
00.00
Valves
25
$ 6
0.00
$ 6
0.00
$ 6
0.00
$ 6
0.00
PRV
25
$ 6
6.00
$ 6
6.00
$ 6
6.00
$ 6
6.00
Pressure control valve
5
$ 1
65.00
$ 1
65.00
$ 1
65.00
$ 1
65.00
Pipework
50
$ 5
00.00
$ -
$ -
$ -
Building works
100
$ 6
00.00
$ -
$ -
$ -
Electrical
25
$ 8
00.00
$ -
$ -
$ -
Straight line based on asset
expected life
$ 9
,391.00 $ 6
,171.00 $ 6
,171.00 $ 6
,171.00
Total annual costs
$ 4
1,428.84 $ 1
8,718.11 $ 1
9,110.76 $ 1
8,268.97 $ 9
7,526.68
NP
ING
OA
OK
Population Count
59,072 3,983 1,625 530 6
5,210
cost per population count
$ 0.70 $ 4.70 $ 11.76 $ 34.47 $ 1.50
