Environmental

CDM Scotland Ltd works closely with, and recommends, fellow Consultants Gavia Environmental - to provide a wide range of bespoke Ecological, Hydrological and Environmental Advice and services.

With over 55 years’ experience in Environmental Consultancy, Gavia Environmental are well versed in overcoming ecological, environmental and hydrological project challenges.   The result – an innovative and unhesitating approach, enabling prompt response with pragmatic, cost-effective and viable solutions to their Clients.

Working seamlessly with Architects, Contractors, Consultants, Developers, Engineers and Planning Consultants to provide ecology, environmental and hydrology solutions from pre-planning advice, planning applications, EIA management, due diligence audits and construction stage advice and management, Gavia’s experienced Ecological, Hydrological, Ornithological Consultants and Engineers have a firm commitment to service quality and offer a truly professional service at a cost-effective rate.

Gavia’s Environmental services include:

  • Clerk of Works Related Services

    • Review of Construction Method Statements (CMS) or Construction Environmental Management Plan (CEMP)

    • Compliance monitoring and verification surveys

    • Inductions and on-site training - hydrological constraints (surface and ground water)

    • Hydrological and hydrogeological expert advice and guidance throughout construction (including pollution control and temporary drainage)

    • Water quality surveys during construction

    • Watercourse pollution monitoring

    • Peat, hydrology and water quality assessment - before, during and post-construction

    • Stakeholder and regulator liaison (including: SEPA, NatureScot, Scottish Forestry)

    • Regular environmental reporting to stakeholders

    • Regular advisory reporting to site managers

    • Site Environmental Audit

    • Hydrological Assessment including Peat Depth and Characterisation

    • Drainage Design and Review

    • Groundwater Dependent Terrestrial Ecosystem (GDTE) assessments

    • Habitat and protected species mitigation design and restoration

    • Habitat and species management plans

  • Flood Risk Assessment Services

    • Flood Risk Assessment (FRA) Level 1, 2, & 3
    • Flood mitigation
    • Flow modelling: 1D & 2D hydrodynamic flow
    • Drainage Impact Assessment (DIA)
    • Drainage Management Plan (DMP)
    • Controlled Activities Regulations (CAR) advice and applications
    • Regulatory body liaison (SEPA and EA)
    • Sustainable Urban Drainage Systems (SuDS)
    • Flood compensation area design
    • GIS/Digital Mapping
  • Other Hydrology Services

    • Hydrological survey & assessment
    • Hydrological Impact Assessment (EIA)
    • Flood Risk Assessment (FRA)
    • Drainage Impact Assessment (DIA)
    • Groundwater Dependent Terrestrial Ecosystem (GWDTE) Assessment
    • Peatland depth & slide risk assessments
    • Private Water Supply Risk Assessment (PWSRA)
    • Sustainable Urban Drainage Systems (SuDS)
    • River & loch restoration, wetland design
    • Water quality, quantity assessment & monitoring
    • Due diligence
  • Peatland Consultancy Services

    • Carbon balance assessment
    • Carbon calculation
    • Peat Depth & Condition Survey
    • Blanket mire condition assessments
    • Peat Slide Risk Assessment
    • Peat Management Plans
    • Environmental Impact Assessment (EIA)
    • Habitat Assessment & Restoration
    • Habitat Management Plans
    • Construction Management Plans
    • Consultation & Liaison with Regulatory Bodies
    • Waste exemption applications
    • Planning application for permanent soil store
    • Forestry removal justifications
  • Environmental Clerk of Works (EnCoW) Services

    • Species, Habitat and Waste Management Plans – preparation, maintenance, compliance

    • Reviewing environmental elements of Construction Method Statements (CMS) or Construction Environmental Management Plan (CEMP)

    • Pre-start supply chain appraisals

    • Inductions and on-site training - environmental constraints

    • Advising on all applicable environmental legislation and potential issues that could impede works

    • Compliance monitoring, verification surveys and ecological scoping (including planning condition, schedule of mitigation, Species Protection Plan

    • Good practice environmental advice and guidance throughout construction

    • Protected species surveys during construction (including bird survey, bat survey, aquatic survey)

    • Disturbance risk assessments for protected species (including otter, barn owl)

    • Habitat reinstatement and restoration advice (including micro-siting)

    • Watercourse pollution monitoring – biological, chemical and visual monitoring

    • Peat, hydrology and water quality assessment - before, during and post-construction

    • Stakeholder/regulator liaison (including: SEPA, NatureScot, Scottish Forestry) and environmental reporting

    • Site inspections/audits - compliance with environmental requirements including licences and consents

    • Acting as a lead for any environmental investigations into adverse events or near misses

  • Protected Species Surveys

    • Bat survey (including Activity transects for roads and static monitoring for windfarms)

    • Bird survey (including windfarms)

    • Great crested newt survey including E-DNA

    • Badger survey

    • Reptile Survey

    • Water vole survey

    • Otter survey

    • Red Squirrel Survey

    • Scottish Wildcat survey

    • Terrestrial Freshwater Invertebrate Surveys including Crayfish and Freshwater Pearl Mussel

  • Habitat & Vegetation Surveys

    • Phase 1 Habitat Surveys

    • Phase 2 Detailed Vegetation Surveys

    • National Vegetation Classification Survey (NVC)

    • Invasive Species Survey

    • Vascular Plant and Bryophyte Surveys

    • Groundwater Dependant Terrestrial Ecosystems

    • Hedgerow Surveys

  • Aquatic Ecology Surveys

    • Fish (freshwater and marine) surveys

    • Aquatic Invertebrate Survey

    • River Corridor and River Habitat Survey

    • Electro-fishing survey (SFCC – SVQ Level 2 and 3)

    • Aquatic flora survey

    • River Habitat Survey (RHS)

    • SFCC Fish Habitat Survey