The number of highway drainage assets - Find a freedom of information request

Request

1 Please can you provide the number of highway drainage assets under your responsibility? If available, can you split the information by type (e.g. gullies, chambers, ditches etc.)?

a) Could you also provide information about the number of gullies cleaned per year for the last 3 available years?

b) If available, please could you provide the number of blocked drainage assets for the last 3 years?

2. Please can you provide your highway drainage budget for the last 3 years

a) Does this budget only cover gully cleaning, or does it also include other services such as relining, emergency jetting, CCTV surveys?

b) If not, please include budgets and actual expenditure for these additional services over the last 3 years

3. Can you please provide your actual expenditure on drainage over the last 3 years, if available


4. Are highway drainage services provided in-house by the council? If so, how many employees do you use for this?

a) If outsourced, are they outsourced directly to a drainage contractor or are they managed as part of a wider highway maintenance contract?

5. In the case of a highway maintenance contract, please could you provide the following information:

a) Number and description of lots

b) The current provider(s)

c) The start date and duration

d) Current contract value total

e) Previous contract value

6. If available, would you be able to provide number of flooding incidents on highways in your area historically and any classification on severity 

If contract information is available online, please would you be able to attach a copy / link to the information.
 

Decision

I can confirm that the information requested is held by Lincolnshire County Council. I have detailed below the information that is being released to you.

1. Drainage asset summary - this may not be complete but to the best of our knowledge


Group                                       Type                                 Number
Drainage: Gullies &Offlets     DR: Gully                             148484
Drainage: Gullies & Offlets    DR: Offlet 28857
Drainage: Manhole                DR: Combined System Cover  13
Drainage: Manhole                DR: Filter Drain Manhole          93
Drainage: Manhole                DR: Foul Sewer Cover              24
Drainage: Manhole                DR: Linear Drain Manhole         2
Drainage: Manhole                DR: Soakaway Insp Chamber 468
Drainage: Manhole                DR: Surface Water Catchpit     661
Drainage: Manhole                DR: Surface Water Insp Chamber 12483
Drainage: Manhole                DR: Unknown Cover                 149
Drainage: Other                     DR: Drainage Pond                   6
Drainage: Other                     DR: Easement                           59
Drainage: Other                     DR: Gabion                                2
Drainage: Other                     DR: Grip                                    223
Drainage: Other                     DR: Headwall                              76
Drainage: Other                     DR: Hydrobrake                          9
Drainage: Other                     DR: Interceptor                           25
Drainage: Other                     DR: Open Ditch                          62
Drainage: Other                     DR: Penstock                             6
Drainage: Other                     DR: Permeable Paving              26
Drainage: Other                     DR: Piped Ditch                        122
Drainage: Other                     DR: Safety Grille                       12
Drainage: Other                     DR: Soakaway                           163
Drainage: Other                     DR: Tank                                      4

a) 105991 gullies cleaned in 2021/22

127284 gullies cleaned in 2020/21

103410 gullies cleaned in 2019/20

b) 7572 Blocked connections in 2021/22

6558 Blocked connections in 2020/21

4762 Blocked connections in 2019/20

2. 2019/20- £1,253,689,

2020/21 - £1,355,461,

2021/22 - £1,388,830

a) Includes emergency jetting and some basic investigation

b) Budget for more powerful jetting, root cutting, CCTV surveys, relining and very basic repairs -

2019/20 - £0 (£200,000 is included in allocation given above)

2020/21 - £420,000 ,

2021/22 - £520,000

3. Not available

4. Managed as part of a wider maintenance contract.

5.a)Not divided into lots

b) Balfour Beatty

c) 01/04/12020

d) Around £45m pa dependent on budget

e) Same as above

6. Flooding incidents are documented on the LCC website via the following link. https://www.lincolnshire.gov.uk/flood-risk-management/flood-investigations

This shows information on Section 19 investigations undertaken when properties have been internally flooded, including the causation which may include highway flooding as a contributory factor.

Within the floods and water team we do not hold specific information on individual instances of highway related flooding.

Reference number
FOI 5483313
Date request received
07/11/22
Date of decision
28/11/22