Construction & Engineering Services | A and S Constructions Nigeria

Your Vision, Our Blueprint

A and S Constructions is a full-service construction and engineering firm delivering outstanding projects across Pacific Northwest (PNW). Since our inception, we have focused on transforming spaces and communities through durable, aesthetically pleasing, and sustainable construction solutions.

Our Mission
Our Vision
Our Values

To deliver innovative, high-quality construction and engineering solutions that meet the evolving needs of our clients. We are committed to excellence, integrity, and collaboration in every project — creating spaces that are functional, sustainable, and impactful.

To be recognized as a leading force in the construction and engineering industry — known for building enduring structures, lasting relationships, and a better future for the communities we serve.

Integrity

We uphold the highest standards of honesty and transparency in all aspects of our work and relationships.

Excellence

We strive for precision, quality, and performance — exceeding expectations through continuous improvement.

Innovation

We embrace new ideas, technologies, and solutions that drive efficiency and elevate our outcomes.

Collaboration

We believe in the power of teamwork — working closely with clients, partners, and one another to achieve shared success.

Safety

We prioritize the health and safety of our people, clients, and communities in every environment we touch.

Sustainability

We are dedicated to building with environmental responsibility, aiming to reduce impact and preserve resources for future generations.

Engineering Design, Maintenance and Project Planning

Fire Alarm Systems Design and Installation

Interior / Exterior Building Maintenance

Site Survey Plans, Reports and Visits

Clerical and Administrative Systems

Vertical Transportation Systems

Electrical Installation of Testing

Development of OMMPs

Heat Energy Systems

General Construction

Chillers

Preventive Maintenance and Inventory of Medical Systems

Quality Control and Quality Assurance Plans and Systems

Renovation, Remediation and Modifications of Facilities

Roofing

Subcontract Planning, Inception and Management

Operations, Maintenance and Repair of Facilities

Work Plan Development and Implementation

Program and Project Management

HVAC and Plumbing Modifications

Drafting - AutoCAD

Gas Valves

Specialty Services

ENGINEERING & EVALUATION SERVICES

Mechanical Design and Independent Design Evaluations

Existing HVAC System Desgin and Controls System Surveys

AutoCAD Mechanical / HVAC As-Built Record Drawings

Preventive Maintenance Investigation & Life Cycle

Cost Analysis Surveys

Energy Usage Analysis and Conservation

Energy Management Control System Design and Automation

Renovation and Repairs of Mechanical Systems and Controls

Specialty Services

IAQ MAINTENANCE MANAGEMENT SERVICES

Facility IAQ Condition Assessment Solutions with Term Based Work Plan

IAQ Remediation Turn-Key Project Management and Problem Solving

Predictive HVAC System IAQ Maintenance Management Programs

Specialty Services

CERTIFIED TESTING and COMMISSIONING SERVICES

Building Systems Commissioning

HVAC System Testing, Adjusting and Balancing

Existing Systems Retro-Commissioning

Sound and Vibration Testing and Fan Dynamic Balancing

Ductwork Leakage Testing

D.O.P. Filter Testing (High Efficiency Filters)

Clean Room Testing and Certification

Surgery and Critical Area Certification

CTI Cooling Tower Performance Testing and Certification

Specialty Services

INDOOR AIR QUALITY (IAQ) and REMEDIATION SERVICES

Building Indoor Air Quality Analysis

Building Microbial Contamination Assessment, Control and Remediation

HVAC System Cleaning and Repairs

Mechanical Structures and Engineering Techniques

We provide a variety of structural engineering services for industrial, commercial and institutional owners

Know our construction engineering services

The benefits of applying effective construction engineering solutions to a project are many:

Improved quality and safety

Reduced construction cost

Reduced construction risk