Description of main environmental impacts and proposed mitigation

Air quality

Construction activities associated with the proposed works have the potential to temporarily cause local air quality impacts. The main sources are likely to be dust generated by dredging and breaking out of materials, as well as exhaust emissions from ancillary plant and vehicles. As a result, there is potential for dust, particulate matter, and exhaust emissions to be emitted to the atmosphere. However, taking into account the nature and scale of the works and the following mitigation measures, the risk of significant impacts to air are considered to be low.

Ancillary plant, vehicles and non-road mobile machinery (NRMM) will be regularly maintained, paying attention to the integrity of exhaust systems.
Ancillary plant, vehicles and NRMM will be switched off when stationary to prevent exhaust emissions (e.g., there will be no idling vehicles).
Cutting, grinding, and sawing equipment (if required) will be fitted or used in conjunction with suitable dust suppression techniques e.g., local exhaust ventilation system that fits directly onto tools.
Regular monitoring (e.g., by engineer or Clerk of Works) will take place when activities generating air pollution are occurring. In the unlikely event that unacceptable levels of air pollution are emanating from the site, the operation will, where practicable, be modified and re-checked to verify that the corrective action has been effective. Actions to be considered include: (a) minimizing cutting and grinding on-site, (b) reducing the operating hours, (c) changing the method of working, etc.
All delivery vehicles carrying material with dust potential will be covered when travelling to or leaving site, preventing the spread of dust beyond the work area.
Material stockpiles will be reduced as far as is reasonably practicable by using a ‘just in time’ delivery system. All material will also be stored on made ground.
Any stockpiled material on site will be monitored daily to ensure no risks of dust emissions exists.
Materials will be removed from site as soon as is practicable.
Good housekeeping will be employed throughout the work.

With the above mitigation measures in place, it is anticipated that any air quality effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this Record of Determination (RoD).

Cultural heritage

There is one feature of lesser cultural heritage interest within 300m of the scheme; any excavation works associated with the drainage works are restricted to the already engineered carriageway boundary, and as such, the potential for exposure of unrecorded cultural heritage features is considered to be negligible. Construction of the A86 road corridor is likely to have removed any archaeological remains that may have been present.

As standard, the following good practice measures will be in place to reduce the risk of impacts to undiscovered features of cultural heritage interest:

There will be no storage of vehicles, plant, or materials against any buildings, walls or fences.
Should any unexpected archaeological evidence be discovered, works will stop temporarily in the vicinity and the BEAR Scotland NW Environment Team contacted for advice. Historic Environment Scotland (HES) will be notified as required.
People, plant, and materials will, as much as is reasonably practicable, only be present on areas of made / engineered ground. Where access out with these areas is required for the safe and effective completion of the scheme, it will be reduced as much as is reasonably practicable and ideally be limited to access on foot. There will be no storage of vehicles, plant, or materials against any buildings, walls or fences.

With the above mitigation measures in place, it is anticipated that any cultural heritage effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Landscape and visual effects

There will be a short-term impact on the landscape character and visual amenity of the site as a result of the presence of construction plant, vehicles, and TM. There will be minor permanent change to local landscape due to installation of the new road drainage system. However, all change is confined to the A86 trunk road boundary and will be within the character of the road. In addition, people, ancillary plant, vehicles and materials will be restricted to areas of made/engineered ground on the A86 and associated drainage/headwall; and the works will be of short duration (12 days). As such, the temporary visual impact of the works will be somewhat reduced and there will be no residual impacts i.e. when complete, the visual appearance will remain largely unaffected with new and/or renewed drainage being the only change. Cairngorms National Park will be notified of the proposed works and advised of the design in advance.

In addition, the following mitigation measures will be put in place during works:

Throughout all stages of the works, the site will be kept clean and tidy, with materials, equipment, plant and wastes appropriately stored, reducing the landscape and visual effects as much as possible.
Cairngorms National Park advice, if received, will be complied with.
Works will avoid encroaching on land and areas where work is not required or not permitted. This includes general works, storage of equipment/containers and parking.
Where applicable, upon completion of the works, any damage to the local landscape will be reinstated as much as is practicable.
The site will be left clean and tidy following construction.

With the above mitigation measures in place, it is anticipated that any landscape and visual effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Biodiversity

The scheme is located 1km upstream of the River Spey SAC, Insh Marshes SAC, River Spey-Insh Marshes SPA and River Spey-Insh Marshes RAMSAR site. Due to the proximity of the works to the designated sites, an HRA was conducted.

Assessment for the designated features of the River Spey-Insh Marshes SSSI was included as part of the HRA. The conclusions were as follows:

No works will take place within the designated sites.
No Likely Significant Effects (LSE) arising from the drainage improvement works on the qualifying features of the designated sites were identified. This conclusion is based on the distance between the works and the designated sites, which provides a sufficient dilution and attenuation of any potential contaminants, together with the implementation of robust containment and pollution prevention measures throughout the works. No cumulative or in-combination effects of the works are expected on the qualifying features of the designated sites.

Although no protected species were identified in proximity to the scheme during the survey, the habitat in the vicinity of the works does provide suitable habitat for a variety of species.

Activities undertaken on site could potentially have temporary adverse impacts on biodiversity in the area as a result of increased vehicle presence and the potential for disturbance to protected species and pollution of habitats. However, works are restricted to the A86 drainage system and the number of construction vehicles and construction operatives required on site is low given the scale and scope of the works. Any species in the area are likely to be accustomed to noise and visual disturbance pertaining to vehicle, pedestrian and NMU movements on the A86 and nearby cycle path. Furthermore, the scheme is of short duration (12 days), will move progressively along the scheme extent, and will be undertaken during a daytime working pattern. The potential for significant species disturbance within the area of construction is therefore considered to be low.

Pollution controls and good practice measures to reduce impacts of the works on the local environment will be detailed in the SEMP and adhered to on site. The following mitigation measures will be put in place to minimise impacts on biodiversity features in the area:

A pre-works check for protected species will be undertaken within two weeks prior to the start of the works.
Works will be strictly limited to areas required for access and to carry out the works. Unnecessary encroachment onto terrestrial or aquatic areas will not be tolerated.
All construction operatives will be briefed through toolbox talks prior to works commencing, which will be included in the SEMP. The toolbox talks will provide information on the legislation, general ecology, and best practice measures for relevant protected species,
Site personnel will remain vigilant for the presence of any protected species throughout the works period. Should a protected species be noted during construction, works will temporarily halt until the species has sufficiently moved on. Any sightings of protected species will be reported to the BEAR Scotland Environmental Team. If required, NatureScot will be contacted for advice.
A ‘soft start’ will be implemented on site each day. This will involve switching on vehicles and checking under/around vehicles and the immediate work area for mammals prior to works commencing to ensure none are present and that there is a gradual increase in noise.
Any excavations, exposed pipes/drains, or areas where an animal could become trapped (e.g. storage containers) will be covered over when not in use, at the end of each shift, and following completion of the works to avoid animals falling in and becoming trapped.
If fencing is utilised at any point during the works, a gap of 200mm from ground level will be provided, allowing free passage for mammals and preventing entrapment.

With the above mitigation measures in place, it is anticipated that any biodiversity impacts associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Geology and soils

The works will involve minor excavations within the trunk road verge in preparation for the replacement/installation of new gullies, headwall and kerbs and all excavated material will be reused on site where possible. Therefore, the works are not anticipated to have an adverse impact on geology and soils. However, the following mitigation measures will be adhered to on site:

Excavated material will be kept to a minimum and reused on site where possible. Any waste material will be disposed of in a licenced waste facility.
The parking of machinery/vehicles and storage of equipment on road verges will be minimised as far as is reasonably practicable.
Upon completion of the works, any damage to the local landscape (i.e. damage to grass verges) will be reinstated as much as is practicable.
Mitigation measures to prevent contamination of soils through loss of containment will be strictly adhered to.
All relevant soil management toolbox talks will be included in the SEMP and sediment control measures will be in place to prevent soil erosion and loss of containment.
Additional pollution prevention measures as outlined in the ‘Road drainage and the water environment’ section will be adhered to on site.

With the above mitigation measures in place, it is anticipated that any geology and soil effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Material assets and waste

There is potential for impacts as a result of resource depletion through use and transportation of new materials. However, materials will be sourced locally where possible and the following mitigation measures will be put in place:

Materials will be sourced from recycled origins as far as reasonably practicable within design specifications.
Care will be taken to order the correct quantity of required materials to prevent the disposal of unused materials.
Where possible, minimal packaging will be requested on required deliveries to reduce unnecessary waste and production of packaging materials.

There is potential for impacts during works as a result of the improper storage or disposal of waste. The following mitigation measures will be put in place:

The waste hierarchy (Reduce, Reuse, Recycle and Dispose) will be employed throughout the construction works.
The subcontractor will adhere to waste management legislation and ensure they comply with their Duty of Care.
Containment measures will be in place to prevent debris or pollutants from entering the surrounding environment.
All wastes and unused materials will be removed from site in a safe and legal manner by a licensed waste carrier upon completion of the works. The appointed waste carrier will have a valid SEPA waste carrier registration, a copy of which will be provided to and retained by BEAR Scotland as early as possible.
All appropriate waste documentation will be present on site and be available for inspection. A copy of the Duty of Care paperwork will be provided and filed appropriately in accordance with the Code of Practice (as made under Section 34 of Environmental Protection Act 1990 as amended).
Re-use and recycling of waste will be encouraged, and the subcontractor will be required to fully outline their plans and provide documentary evidence for waste arising from the works (e.g., waste carrier’s licence, transfer notes, and waste exemption certificates).
Staff will be informed that littering will not be tolerated. Staff will be encouraged to collect any litter seen on site.
Where applicable, all temporary signage will be removed from site on completion of the works.

With the above mitigation measures in place, it is anticipated that any material assets and waste effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Noise and vibration

Construction activities associated with the proposed scheme have the potential to cause noise and vibration impacts through the use of equipment and construction vehicles for the proposed activities. However, the works are not located within a CNMA, and the proximity of road space suggests that residents within the local area will have a degree of tolerance to noise and disturbance. Works will also be completed over 12 days and move progressively along the 175m stretch of A86 carriageway. Works will be conducted utilising a daytime working pattern. Noise is not likely to be a defining feature of the works based on the proposed working activities and potential to induce worst-case scenario noise and vibration will also be intermittent, temporary and short-lived.

The following mitigation measures will be put in place:

Local residents that are likely to be affected by the works will be notified of the works in advance, likely by letter drop, which will contain details of the proposed timings and duration of the works, in addition to contact details for the Site Supervisor.
The Best Practicable Means, as defined in Section 72 of the Control of Pollution Act 1974, will be employed at all times to reduce noise to a minimum. On-site construction tasks will be programmed to be as efficient as possible, with a view to limiting noise disruption to local sensitive receptors.
All site personnel will be fully briefed in advance of works regarding the need to minimise noise during works and of the site-specific sensitivities.
Operatives will be briefed using the ‘Being a Good Neighbour’ toolbox talk prior to commencement of the works.
Drop heights from vehicles and NRMM will be kept to a minimum to minimise noise when unloading.
All plant, machinery and vehicles will be switched off when not in use.
All plant will be operated in such a way that minimises noise emissions and will have been maintained regularly to the appropriate standards.
Where fitted, and where permitted under Health and Safety requirements, white noise reversing alarms will be utilised during construction.
Where ancillary plant such as generators are required, they will be positioned so as to cause minimum noise disturbance. Where deemed necessary, acoustic screens will be utilised.

With the above mitigation measures in place, it is anticipated that any noise and vibration effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Population and human health

During construction, activities undertaken on site may have temporary adverse impacts on local residents, vehicle travellers, and non-motorised road users (NMUs) as a result of construction presence, and associated noise and delays due to traffic management measures. However, no significant congestion issues are noted during the proposed construction hours and, although increased journey times may occur, these are considered insignificant considering the relatively low traffic count on this section of the road. In the event of local access restrictions to residential properties, access will be granted as requested. A section of the closed cycle path will be redirected. Access to any NMU facilities located within 300m of the scheme will be maintained

There are approximately 20 residential properties in total in proximity to the scheme, with the closest being 30m from the works and screened by intervening vegetation. Therefore, there is potential for disturbance from noise and vibration.

However, with the following mitigation measures in place, the risk of significant impacts on population and human health is considered to be low:

Notification will be issued to local residents and local public transport operators prior to commencement of the works, advising of any proposed works and expected restrictions.
Local access will be granted as required.
Any changes of schedule will be communicated to local residents throughout the programme.
Given the proximity of the works to residential properties, the toolbox talk ‘Being a Good Neighbour’ will be briefed prior to works commencing.
Appropriate provisions / measures will be implemented within the traffic management to allow the safe passage of NMUs of all abilities through the site.
Journey planning information will be available for drivers online at the trafficscotland.org website. Journey planning information will also be available for drivers online through BEAR’s social media platforms.

With the above mitigation measures in place, it is anticipated that any population and human health effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Road drainage and the water environment

There is potential for indirect impacts on the water environment due to operation within the drainage system with connectivity to Pitmain Burn which discharges into the River Spey, approximately 1km downstream, and can lead to potential changes in water quality from pollution events (either by loss of containment, particulate matter, chemicals, fuels, or by mobilisation of these in surface water caused by rain).

The works include construction and maintenance of land drainage works (road drainage) that do not affect a natural watercourse, and as such, the works do not require authorisation from SEPA. However, the following mitigation measures will be put in place to reduce the risk of pollution incidents as a result of works:

The scheme will involve drainage works only and no in-stream works in any classified water body will be permitted.
Works will adhere to SEPA General Binding Rules (GBRs); in particular GBR6, GBR7 and GBR9.
Standard working practices to comply with the Environmental Authorisations (Scotland) Regulations 2025 (EASR) for works in or near water will be detailed in the SEMP and adhered to on site.
No discharges into any watercourses or drainage systems will be permitted. Appropriate containment measures will be in place to prevent any loss of construction materials into the water environment.
A toolbox talk on silt and sediment containment will be delivered to all site staff as part of the site induction.
An incident response (contingency) plan will be put in place to reduce the risk from pollution incidents or accidental spillages. All necessary containment equipment, including suitable spill kits (for oil and chemicals) will be available on site, quickly accessible if needed, and staff trained in their use.
All spills will be logged and reported. In the event of any spills into the water environment, all works will stop and the incident will be reported to the project manager and the BEAR Scotland Environmental Team. SEPA will be informed of any such incident as soon as possible using the SEPA Pollution Hotline.
All plant and equipment will be regularly inspected for any signs of damage and leaks. A checklist will be present to make sure that the checks have been carried out.
Storage of hazardous material, oil and fuel containers will be distanced more than 10m away from any watercourses.
If required, a designated refuelling area will be identified. Fuel bowsers will be stored on an impermeable area and be fully bunded. This will be distanced more than 10m from any watercourses.
During refuelling of smaller mobile plant, a funnel will be used, and drip trays will be in place. Care will be taken to reduce the chance of spillages. Spill kits will be quickly accessible to capture any spills should they occur. The ground / stone around the site of a spill will be removed, double bagged and taken off site as special waste.
Generators and static plant may have the potential to leak fuel and / or other hydrocarbons and will have bunding with a capacity of 110%. If these are not bunded then drip trays will also be supplied beneath the equipment with a capacity of 110%.

With the above mitigation measures in place, it is anticipated that any road drainage and the water environment effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Climate

During the works there is potential for impacts such as a result of the emission of greenhouse gases through the use of equipment, vehicles, material use, and production and transportation of materials and wastes. Considering the nature, short-term duration, size and scale of the scheme, and the mitigation detailed below, the risk of significant impacts to climate are considered to be low.

Proposed climate mitigation measures:

BEAR Scotland will adhere to their Carbon Management Policy.
Local contractors and suppliers will be used as far as practicable to reduce fuel use and greenhouse gases emitted as part of the works.
Where possible, materials will be sourced locally to reduce greenhouse gas emissions associated with materials movement, and waste will be disposed at local landfill.

With the above mitigation measures in place, it is anticipated that any climate effects associated with the proposed works are unlikely to be significant. This receptor is not considered further in this RoD.

Vulnerability of the project to risks

It is expected that the risk of flooding on the A86 at the scheme extent and on the adjacent cycle path will be reduced following the works, by improvement of drainage and the clearing of existing culverts.

Works will be programmed as far as is reasonably practicable to avoid periods of adverse weather or heavy rainfall.

Works are restricted to areas of made/engineered ground of the A86 trunk road boundary and its drainage system, with access to the scheme gained via the A86. TM will involve single lane closures with two-way temporary traffic lights. A section of NCN route 7 will be closed with NMUs redirected. Local residents will be notified of working hours and provided with appropriate contact information. Pedestrians or other NMUs will be accommodated within the TM setup where possible.

The works will not result in any change in vulnerability of the A86 carriageway or active travel route to risk, or in severity of major accidents/disasters that would impact on the environment.

These measures, along with mitigation measures and standard working practices, will be detailed in the SEMP and adhered to on site. The vulnerability of the project to risks of major accidents and disasters is considered to be low.

Assessment cumulative effects

The proposed works are not anticipated to result in significant environmental effects. Due to the nature of the proposed works, no cumulative effects are anticipated with any other developments in the vicinity.

A search of the CNP Planning Portal and Highland Council Planning Portal identified one planning application within 300m of the scheme within the last six months. This is the erection of a garage which has not yet been approved and is not likely to overlap with the timing of the works.

A search of the Scottish Roads Works Commissioner website (Map Search) has identified that there are no roadworks planned for the same period as the proposed works and no cumulative effects are anticipated with any other developments in the vicinity.

BEAR Scotland programme all of their proposed works in line with appropriate guidance and contractual requirements. All schemes are programmed to take into account existing and future planned works, with a view of limiting any cumulative effects relating to traffic management. As a result of this exercise, where a potential for cumulative impacts is identified, BEAR will reprogramme schemes to avoid / limit any cumulative effects or will utilise existing traffic management to complete multiple schemes at once. This approach allows BEAR Scotland to effectively manage the potential cumulative effects as a result of traffic management, resulting in minimal disruption to users of the Scottish trunk road network.

Overall, it is unlikely that the proposed works will have significant cumulative effects with any other future works in the area.

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