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6.1.4 Recommendation.— The amounts of water for
foam production and the complementary agents to be provided
should be in accordance with the heliport fire fighting
category determined under 6.1.1 and Table 6-2 or Table 6-3
as appropriate.
Note.— The amounts of water specified for elevated
heliports do not have to be stored on or adjacent to the
heliport if there is a suitable adjacent pressurized water main
system capable of sustaining the required discharge rate.
6.1.5 Recommendation.— At a surface-level heliport it
is permissible to replace all or part of the amount of water for
foam production by complementary agents.
6.1.6 Recommendation.— The discharge rate of the
foam solution should not be less than the rates shown in
Table 6-2 or Table 6-3 as appropriate. The discharge rate of
complementary agents should be selected for optimum
effectiveness of the agent used.
6.1.7 Recommendation.— At an elevated heliport, at
least one hose spray line capable of delivering foam in a jet
Table 6-1. Heliport fire fighting category
Category Helicopter over-all lengtha
H1 up to but not including 15 m
H2 from 15 m up to but not including 24 m
H3 from 24 m up to but not including 35 m
a. Helicopter length, including the tail boom and the rotors.
Annex 14 — Aerodromes Volume II
9/11/95 50
spray pattern at 250 L/min should be provided. Additionally at
elevated heliports in categories 2 and 3, at least two monitors
should be provided each having a capability of achieving the
required discharge rate and positioned at different locations
around the heliports so as to ensure the application of foam to
any part of the heliport under any weather condition and to
minimize the possibility of both monitors being impaired by a
helicopter accident.
Rescue equipment
6.1.8 Recommendation.— At an elevated heliport rescue
equipment should be stored adjacent to the heliport.
Note.— Guidance on the rescue equipment to be provided
at a heliport is given in the Heliport Manual.
Response time
6.1.9 Recommendation.— At a surface-level heliport,
the operational objective of the rescue and fire fighting service
should be to achieve response times not exceeding two minutes
in optimum conditions of visibility and surface conditions.
Note.— Response time is considered to be the time between
the initial call to the rescue and fire fighting service and the
time when the first responding vehicle(s) (the service) is (are)
in position to apply foam at a rate of at least 50 per cent of
the discharge rate specified in Table 6-2.
6.1.10 Recommendation.— At an elevated heliport, the
rescue and fire fighting service should be immediately
available on or in the vicinity of the heliport while helicopter
movements are taking place.
Table 6-2. Minimum usable amounts of extinguishing agents
for surface level heliports
Table 6-3. Minimum usable amounts of extinguishing agents for
elevated heliports
Foam meeting performance
level B Complementary agents
Category
(1)
Water
(L)
(2)
Discharge rate
foam solution (L/min)
(3)
Dry chemical
powders (kg)
(4)
or
Halons
(kg)
(5)
or
CO2
(kg)
(6)
H1 500 250 23 23 45
H2 1 000 500 45 45 90
H3 1 600 800 90 90 180
Foam meeting performance
level B Complementary agents
Category
(1)
Water
(L)
(2)
Discharge rate
foam solution (L/min)
(3)
Dry chemical
powders (kg)
(4)
or
Halons
(kg)
(5)
or
CO2
(kg)
(6)
H1 2 500 250 45 45 90
H2 5 000 500 45 45 90
H3 8 000 800 45 45 90
6/11/97
No. 2
ANNEX 14 — VOLUME II 51 96/1/111//9957
No. 2
APPENDIX 1. AERONAUTICAL DATA QUALITY REQUIREMENTS
Table 1. Latitude and longitude
Latitude and longitude
Accuracy
Data type
Classification
Integrity
Heliport reference point. . . . . . . . . . . . . . . . . . . . . . . . .
30 m
surveyed/calculated
routine
1 ´ 10-3
NAVAIDS located at the heliport. . . . . . . . . . . . . . . . .
3 m
surveyed
essential
1 ´ 10-5
Obstacles in the circling area and at the heliport. . . . .
3 m
surveyed
essential
1 ´ 10-5
Significant obstacles in the approach
and take-off area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 m
surveyed
essential
1 ´ 10-5
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