Home | Stanley Gray | SP Civil & Structural Engineers

Taranaki Engineering Consultants for all your civil, structural, geotechnical engineering requirements.

Stanley Gray is a civil structural geotechnical engineering consultancy firm based in Taranaki. We provide engineering services, for residential and commercial projects. Typical work includes structural design, site investigation, soil testing, geotechnical analysis, retaining wall & foundation design, stormwater management, and subdivision engineering services.

We Provide Civil & Structural Geotechnical Engineering Services

We offer a range of services including:

Excavator working on construction site with Mount Taranaki in the background.

Site Investigation & Soil Reports
We provide soil testing and geotechnical investigation for residential, light commercial buildings and subdivisions.
- Building Platform Reports
- Liquefaction Assessments
- Slope Stability Analysis
- Subdivision Reports

Steel and concrete building under construction, structural framework and wall panels being assembled.

Civil & Structural Engineering
We provide civil and structural engineering design for residential and commercial projects, such as:
- Beam Design
- Bracing Design
- Column/Post Design
- Pile Design
- Foundation Design

Reinforced concrete retaining wall under construction for slope stabilization and site landscaping, with steel reinforcement bars in place.

Retaining Wall Design
We provide engineering design for multiple types of retaining walls:
- Timber Pole Retaining Wall
- Steel Pole Retaining Wall
- Concrete Block Retaining Wall

Foundation construction site with formwork and reinforcement in progress in a rural hilly landscape.

Foundation Design
We provide foundation design for residential and light commercial projects, including:
- Waffle Slab Floor System Design
- Polystyrene & plastic pod systems
- Concrete/Timber Piles/ Steel Piles

Stormwater drainage channel construction with geotextile fabric and black plastic drainage pipes, civil engineering site in progress.

Stormwater Design
We provide the design of stormwater to manage surface water runoff, including:
- Soakage Pits
- Soak holes
- Detention Pond
- Subdivisions

Heavy-duty plastic septic tanks installed in an excavated trench for wastewater treatment.

Wastewater Disposal
We provide the design of wastewater systems that require on-site disposal, including:
- Conventional wastewater systems
- Secondary treatment systems
- Dripper lines
- Effluent Beds

Steelwork structural engineering plan drawing for a building project.

Draughting and Fire Reports
We provide structural draughting services.
- Commercial design and drawings
- Retaining Wall drawings
- Structural Steel Drawings
- Fire Reports
- Slab Drawings + H1 advice