Estimator (Civils) -
Job Description
Costain have won extensive work across the water sector to support the AMP8 investment cycle.
The estimating function within the division is growing to facilitate the increased volume of works being forecast over the next 5 years, with projects varying from 5m to over 250m in value, covering both infrastructure and non-infrastructure assets on water and wastewater sites.
This key role will support confirmed demand with Southern Water, Northumbrian Water, Severn Trent Water, Thames Water and United Utilities as well as new opportunities being pursued across the Water/Wastewater sector.
This role will be home based and will be working closely with the pre-construction, commercial, engineering and operational teams to play a key role in identifying project requirements, assessing risk and opportunity, and developing bids that support successful project delivery.
L1-AL1
Responsibilities
- Prepare detailed and accurate estimates for water and wastewater civil engineering projects.
- Review tender documents, drawings, specifications,



schedules and scopes of work.
- Develop detailed pricing for civil engineering activities including:
- Earthworks and excavation
- Reinforced concrete and structures
- Pipelines and utilities
- Roads, access and drainage
- Treatment works and associated infrastructure
- Temporary works and site establishment
- Mechanical and electrical interfaces
- Obtain and analyse quotations from subcontractors and suppliers.
- Develop bills of quantities, rates, build-ups and resource requirements.
- Liaise with designers, engineers, suppliers, subcontractors and clients to clarify scope and technical requirements.
- Identify project risks, assumptions, exclusions and opportunities and ensure these are reflected within the estimate.
- Support the development of construction methodologies and programmes to inform accurate pricing.
- Undertake value engineering and identify opportunities to improve project efficiency and

📌 Estimator (Civils) - (España)
🏢 Costain
📍 España