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.
