THDA Projects provide Civil and Structural Engineering Services for a wide range of development, investigation and repair projects in sectors, which include distribution, manufacturing, retail, health, education, commercial and leisure.



Civil Engineering Services

Site accesses and layouts
Priority junctions 
Traffic signal junctions 
Motorway and trunk road design, bypasses, estate and access roads

Highway specifications 

Road safety and traffic calming schemes

Vehicle swept path analysis
Car parking/hardstanding design
Drainage and sewerage systems 
Storm water attenuation design and SuDS systems

Foul water system design, including pumped solutions
Drainage, highway and footpath diversions

External building drainage to Part H Building Regulations

External levels design to Part M Building Regulations
Earthworks modelling 
Flood risk assessments 
Flood compensation works 

Expert witness and planning appeal work

Structural Engineering Services


Structural design of new buildings
Design of structural modifications to existing buildings
Design of other structural elements††††††††††††††††††††††††††††††††††††

Design of craneage machine bases, pits and other production equipment support structures
Calculations and drawings for building regulation submission
Checking and monitoring structural design work
Preparation of specifications for building operations
Design activities include design of steel, masonry, concrete, timber and foundations
Structural Investigations

Structural feasibility assessments

Structural repair specifications














Civil, Drainage, Infrastructure: 40 St. Paulís Square, Birmingham, B3 1FQ, Tel: 0121 515 5960

Structures: 70 Prospect Hill, Redditch, Worcestershire, B97 4BS.Tel: 01527 597600

Civil and Structural Engineers