Home - SP Civil & Structural Engineers Limited T/A Stanley Gray

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:

Site Investigation & Soil Testing

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

Civil & Structural Engineering

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

Retaining Wall Design

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 Design

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 Design

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

Wastewater Disposal

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

draughting

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