APPENDIX H: OPERATING AND MAINTENANCE COSTS
Present Value
Item
Description
Unit
10 years
20 years
25 years
30 years
Cost
Assumption/Comment
40 yea life; 6% discount rate
Regular Maintenance
1
Coating maintenance
p.a.
$15,000 $10,000 - $15,000
2
Internal painting
no allowance
3
Surfacing repairs
p.a.
$173,000 10%/p.a.
4
Gantry maintenance
p.a.
$10,000 2No
5
Lighting
p.a.
$144,000 5%/p.a.
6
Cleaning - jet washing superstructure, anti-
graffiti, plexi-glass
6a
Jet washing superstructure and plexi-glass
p.a.
$50,000
6b
Anti-graffiti
p.a.
$10,000
7
Security - CCTV camera maintenance,
incident response unit, event management
7a
CCTV camera maintenance
p.a.
$20,000
7b
Incident response unit
p.a.
$15,000
7c
Event management
p.a.
$48,000 10 people x 10 hours x $80/hour, 3 days
total every 6 months
8
Inspections
general every 2 years, principal every
6 years
8a
General inspection
every 2 years
$10,000
8b
Principal inspection
every 6 years
$35,000
9
Misc. - weld cracks, plexi replacement,
p.a.
$10,000
barriers, etc.
10
Asset management
p.a.
$128,000 0.5FTE extra over for share path
Subtotal
$668,000
Periodic Maintenance
1
Major coating renewal (blast and re-coat
$1,717,000
1717000 25 years interval.
includes environmental controls)
2
Bearing replacement
25
$72,000
72025 25 years interval. 28 No of bearings.
3
Damper replacement
25
$140,000
140025 25 years interval.
4
CCTV replacement
10
$59,000
$33,000
$19,000
111010 10 years interval.
Subtotal
$2,040,060
NZ TRANSPORT AGENCY
Auckland Harbour Bridge Shared Path - SSBC // 101