Transcript Document

Roads and Transportation Service
EAST AYRSHIRE COUNCIL
GET READY FOR WINTER
FOOTWAY TREATMENTS
October 2011
Roads and Transportation Service
Footway Treatments
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Traditional Approach
Drivers for Change
Review of Footway Gritting Routes
Trigger Levels
Treatment Winter 2010/11
Review Summer 2011
Proposed Treatment Winter 2011/12
Roads and Transportation Service
Footway Treatments - Traditional Approach
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Priority 1 footways developed over time.
Route cards and records were rudimentary.
No trigger levels in place.
Footways treated by Outdoor Amenities.
Action determined by Area Engineer at 7-8am.
Employees had to return to base to organise equipment.
Road salt spread by tractor towed spreader or by hand.
Roads and Transportation Service
Footway Treatments - Traditional Approach
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Problems were highlighted during winters 2008/09 and
2009/10.
• Main source of complaints received by Roads and
Elected Members related to the treatment of footways –
or rather the lack of treatment.
• East Ayrshire Council undertook a major review of the
Winter Service during 2010.
• One of the main areas reviewed was the treatment of
footways.
Roads and Transportation Service
Footway Treatments – Drivers for Change
• Summary of Previous Four Winters
• Salt Used
2007/08
2008/09
2009/10
2010/11
8132 tonnes
12121 tonnes
13743 tonnes
10443 tonnes
• Treatments
2007/08
2008/09
2009/10
2010/11
90 Days
109 Days
112 Days
117 Days
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Roads and Transportation Service
Footway Treatments – Review of Routes
Priorities based on footway hierarchy and wider
pedestrian and other policy priorities
• Priority 1 Footway Routes – 142km
Urban shopping areas and precincts. Footway access
to emergency facilities including fire and rescue,
police, ambulance services and hospitals. Other public
services (Schools, health centres etc.).
• Priority 2 Footway Routes - 56 Km
Other access routes to town and village centres.
Known problem areas including significant gradients.
Roads and Transportation Service
Footway Treatments – Review of Routes
Roads and Transportation Service
Footway Treatments – Trigger Levels
• Priority 1 footways treated when of a forecast of ice or
snow with temperatures below zero for the next 24
hours
• Winter controller issues instruction to treat as part of
lunchtime decision process.
• Priority 2 footways treated when adverse conditions
forecast over a prolonged period, treated during the
working day.
• Priority 2 treatments commence upon completion of
Priority 1 footways.
Roads and Transportation Service
Footway Treatments – Winter 2010/11
• Priority 1 footways outwith Kilmarnock treated as
before with rock-salt applied by mini gritters.
• Priority 1 footways within Kilmarnock treated with a
sodium chloride brine spray as a trial .
• Peacock Ltd utilised pray equipment mounted on quad
bikes to treat 70km of footway. The brine solution was
applied at 20ml/sqm.
• Priority 2 footways treated with road salt.
Roads and Transportation Service
Footway Treatments – Review 2011
• Brine spraying was popular with town centre
shopkeepers – no complaints regarding dirty shops.
• No detritus left on footways treated with brine spray.
• Brine spray alone not effective on fallen snow.
• Priority 1 footways generally treated between 5 – 8am.
• Pro-active decision making made more effective use
of resources.
• Scope to increase lengths of Priority 2 footways.
• Community Service groups used to assist in extreme
weather conditions.
Roads and Transportation Service
Footway Treatments – Winter 2011/12
• Trial in Kilmarnock extended for a further winter.
• Calcium chloride to be used instead of sodium
chloride. This is effective to lower temperatures and
have a longer residual life but is more expensive.
• Snow ploughs to be available for quad bikes.
• Monitoring regime to be developed to ensure effective
feedback on trial, with comparisons made with control
sites.
• Trigger level for Priority 1 brought forward to 10am,
effect is likely to increase number of days of treatment.