OUR ENGINEERING SERVICES

Building Automation Engineering & Technical Support

BMS/BAS estimation, system design, engineering, technical documentation and remote support services for consultants, system integrators and building automation contractors in India and international markets.

6000+ Engineering hours completed

5+ Projects Delivered Successfully

Less than 4 hours of Response Time

Happy Customers in Australia, India & Europe

Estimation & Pre-Sales Support

BMS Estimation, BOQ and Tender Support

Technical evaluation, quantity take-offs and cost estimation services to support accurate, competitive and well-defined BMS project bids

Quantity Take-Off

Technical Review

Cost Estimation

Bill of Quantities (BOQ) Preparation

Tender Technical Review & Compliance

BMS Cost Estimation & Material Take-Off

Detailed quantity take-offs covering BMS controllers, field devices, sensors, actuators, control panels, associated materials and installation requirements based on project drawings and specifications.

Review of tender specifications, drawings, scope of work and sequences of operation to identify technical requirements, scope gaps, exclusions and compliance considerations.

Preparation of itemised BMS cost estimates, equipment schedules and installation quantity assessments to support competitive and technically sound project bids.

Consultancy & Design Support

BMS Design Consultancy & Technical Advisory

We support MEP consultants, building services engineers and engineering firms with BMS design development, technical specifications, tender documentation and contractor bid evaluations.
Our vendor-neutral approach helps consultants develop clear, technically sound and practical building automation requirements.

Design Development

Control Philosophy

Tender Evaluation

BMS Design & Preliminary I/O Schedules

Sequence of Operations & Control Logic

Technical Bid Evaluation & Comparison

Preparation and review of vendor-neutral BMS specifications, system architecture requirements, communication protocols, integration requirements and technical tender documentation.

Development of HVAC control philosophies, sequences of operation and functional descriptions for AHUs, chillers, pumps, ventilation systems and associated building services.

Independent review and comparison of contractor proposals, technical compliance, exclusions, deviations and proposed solutions, with structured bid evaluation reports and recommendations for consultant review.

Tender Documentation

BMS Technical Specifications

Preparation of preliminary BMS I/O schedules from MEP equipment schedules, HVAC schematics and project requirements, including control points, monitoring requirements and system interfaces.

System Design & Detailed Engineering

BMS System Design & Detailed Engineering

System Design

BMS System Architecture & Integration

Development of BMS network architecture, controller hierarchy, communication topology and third-party integration requirements covering BACnet, Modbus, LonWorks and other applicable protocols.

Control Engineering

Controller Selection & Detailed I/O Schedules

Preparation of detailed controller I/O schedules, controller selection, point allocation and hardware requirements based on approved sequences of operation, equipment schedules and project specifications.

Detailed engineering support for Building Management Systems (BMS), Building Automation Systems (BAS) and HVAC Controls, covering system architecture, controller selection, I/O schedules, control logic and technical documentation.

Our engineering services support consultants, system integrators and automation contractors in translating project specifications and design requirements into practical, coordinated and implementation-ready engineering deliverables.

Schedules

HVAC Control Logic & Schematics

Development and refinement of HVAC control sequences, functional descriptions, control schematics and interlocking requirements for AHUs, chillers, pumps, ventilation systems and associated equipment.

Technical Submittals

Engineering Documentation & Technical Submittals

Preparation and review of BMS engineering deliverables, including equipment schedules, controller schedules, integration point lists, technical submittals, compliance documentation and engineering review reports.

Technical Support

Specialised Remote Engineering & Technical Support

DigVistaar Engineering provides specialised remote technical support for Building Management Systems (BMS), Building Automation Systems (BAS) and HVAC Controls.

We assist consultants, system integrators and automation contractors with remote system reviews, functional testing witnessing, troubleshooting, commissioning assistance and technical training.

Our services are tailored to project requirements and delivered through secure, client-authorised remote access and collaboration with on-site engineering teams.

Remote System Verification & Review

Remote review of BMS system operation, graphics, alarms, trends, controller configurations and point values to assess system functionality, identify discrepancies and support technical verification against project requirements.

Remote Functional Testing & Witnessing

Remote witnessing of BMS functional tests, HVAC control sequences, equipment operation, interlocks and alarm functions in coordination with on-site teams. Preparation of test observations, verification records and technical review comments.

Remote Troubleshooting & Commissioning Support

Technical assistance for BMS commissioning, fault diagnosis, controller I/O verification, communication issues and control logic troubleshooting. Support for identifying operational discrepancies and coordinating corrective actions with site engineers.

Technical Training & Knowledge Transfer

Practical technical training covering BMS/BAS fundamentals, system architecture, HVAC control strategies, sequences of operation, engineering documentation and system-specific familiarisation for engineering and technical teams.