Winter Resilience - Gritting Lorries - Other Vehicles - Snow Ploughs - Gritter Rotas

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Dear Tower Hamlets Borough Council,

Please supply copies of the council's primary and secondary network of gritting routes - or alternatively provide the weblinks where they may be downloaded. This to include all roads designated for gritting, including the Winter Resilience routes specified by or to TfL.

What arrangements or future plans exist for sharing or diverting gritter lorries between the council and TfL - for example if lorries on one network are snarled up in traffic and those from another could cover roads of the other?

What monitoring of traffic congestion is undertaken by the gritting department, and how is account taken of this to endeavour to avoid gritting lorries being stuck in gridlocked roads, and instead diverted onto other roads, even if this means secondary or minor routes are treated before primary ones?

How many gritter lorries does the council have, and how many other vehicles to deliver salt / grit to grit bins?
How many grit bins does the council maintain?

How many gritter lorries take a snow plough, and how many of the other vehicles?

Where does the council maintain its stocks of salt / grit for winter treatment?
Is it just one distribution point?
Why not use several around the borough - to shorten the distance to where the salt / grit is needed?

What type of control do the gritter lorries have available, for example?
Snow plough ON / OFF
Grit supply ON / OFF
Rate of grit spray, dependent on vehicle speed, LOW / HIGH, various fixed rates, variable between MIN and MAX
What determines the way these controls are used?

What are the instructions to gritter lorries regarding junctions and vehicles?
For example, make a number of ploughing manouvres to clear the junction.
Avoid creating a wall of snow from the plough across a side road.
Avoid creating a wall of snow from the plough blocking in parked or stranded vehicles.
Make extra passes along hills.

Under what circumstances would gritter lorries use snow plough only - for example in heavy snow, to maintain snow clearance while conserving salt / grit stocks?

--

Please provide an XLS spreadsheet with the following data for each gritter lorry and each other vehicle capable of delivering salt / grit to pavements and grit bins
- (gritter lorries first, then other vehicles, and showing if snow plough is attachable and if attached),
- and for the period from 15-11-10 to date,
- on each occasion when out on some type of duty to distribute salt or grit to the highway:

Some suitable vehicle identifier
Date + time vehicle left depot
Route followed in some comprehensible description - not every road in sequence is required, but it must be possible to see the precise general route. Where salt / grit is being delivered to grit bins or to pavements or dumped, state locations involved in some clear specific summary way. No doubt the new GPS system will assist, perhaps with a list of each postcode covered in sequence?
Purpose of sortie, ie road gritting, pavement gritting, filing grit bins, or combination (state type)
Whether snow plough deployed
Date + time vehicle returned to depot

Yours faithfully,

Michael Douglas

Shazna Bibi, Tower Hamlets Borough Council

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Muhammed Iqbal left an annotation ()

Its a fact that Veolia who now run the gritting of our roads have only two lorries, and when the council used to run this service they had five.

Shazna Bibi, Tower Hamlets Borough Council

Dear Michael Douglas

FREEDOM OF INFORMATION ACT 2000 - IGT_IGT_01_3866 - Winter Resilience - Gritting
Lorries - Other Vehicles

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Legal Services

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020 7364 4932

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