OAN 049/2021 – TAXIWAY ALPHA NIGHT-TIME PAVEMENT REPAIRS.
OAN REF:‐ 049/2021 DATE OF ISSUE:‐ 25/11/21 EFFECTIVE DATE:‐ 13/12/21 EXPIRY DATE:‐ 17/12/21
PLEASE ENSURE THIS INFORMATION IS PROMULGATED TO ALL STAFF
1.0 SUMMARY
1.1 A programme of up to four night‐time shifts to carry out essential pavement repairs on Taxiway Alpha. During the nightly working times, Taxiway Alpha will be closed from its junction with Taxiway Bravo to east of Link Alpha‐Golf. Link Alpha‐Foxtrot and Rapid Exit Taxiways(RET) Alpha‐Echo and Bravo‐Delta will also be closed. Link Bravo will be restricted to maximum aircraft size ICAO Code C (B737/A321).
2.0 PROGRAMME
2.1 Work will take place on the nights of Monday 13th to Thursday 16th December 2021, inclusive.
2.2 The planned nightly working hours will be 23:00 – 05:30L.
3.0 SCOPE & LOCATION OF WORKS
3.1 Overall, the scope of work will involve the following tasks:
Multiple asphalt pavement repairs.
Re‐seating of 4 x taxiway centreline AGL fittings.
Pavement over‐banding.
4.0 OPERATIONAL IMPLICATIONS
4.1 Runway Operations
4.1.1 Runway 05L‐23R will remain operational for the duration of the night works.
Runway 23R Operations.
4.1.2 Whilst the nightly work is in progress, the following operational considerations will apply:
Arriving aircraft of size ICAO Code D (B767) and larger will be required to backtrack Runway 23R as directed by ATC.
Arriving aircraft of size ICAO Code C (B737/A321) and smaller will be able to vacate Runway 23R via Link Bravo, else backtrack Runway 23R as directed by ATC.
N.B: Although Link Bravo will remain available for aircraft up to and including ICAO Code C, the adjacent RET BRAVO‐DELTA WILL BE CLOSED.
Runway 05L Operations.
4.1.3 Whilst the nightly work is in progress, the following operational considerations will apply:
Departing aircraft of size ICAO Code D (B767) and larger will be required to backtrack Runway 05L as directed by ATC.
Departing aircraft of Size ICAO Code C (B737/A321) and smaller may depart Runway 05L from Link Bravo (TORA 2036m), else backtrack Runway 05L as directed by ATC.
All Runway Operations
4.1.4 Flight crews of arriving or departing aircraft prohibited from using or unable to use Link Bravo should be aware that the required runway backtracking route will be between Links Alpha‐Golf and Hotel (circa 2020m).
4.2 Taxiway Restrictions
4.2.1 During the nightly working times, Taxiway Alpha will be closed from its junction with Taxiway Bravo to east of Link Alpha‐Golf. See attached drawing.
4.2.2 Outside of the nightly working times, Taxiway Alpha will be available for use.
5.0 LOW VISIBILITY OPERATIONS (LVO)
5.1 In the event of forecast low visibility, the planned night‐time work will be cancelled. Taxiway Alpha and associated runway links and exits will remain open.
5.2 In the event of un‐forecast reduced visibility conditions (meeting the criteria for LVP Alert) prevailing when work has begun, the work will be curtailed at the earliest opportunity
View attachment 24866