Data Centre Consultancy, Feasibility and Design

The most critical mistake in data centre investments is misjudging capacity requirements. Our feasibility studies model 5–10 year growth scenarios based on the current load profile and compare the investment and operating cost of each scenario.

• Establishing current IT load and growth projection (rack count, kW/rack, total IT load)
• Capital expenditure (CAPEX) and total cost of ownership (TCO) analysis
• Operating cost (OPEX) projection, energy cost modelling and return on investment (ROI) calculation
• Comparative analysis of different capacity scenarios (250 kW, 1 MW, 5 MW, 10 MW+)
• Cost–risk comparison of on-premise, colocation, hybrid and cloud alternatives
• Phased investment (modular growth) modelling and definition of the first phase scope
• Legal, environmental and zoning compliance assessment
• Decision file and option matrix for presentation to executive management

The right location is a critical decision for the sustainability and operational reliability of the investment. ONGSEC specialists produce an independent evaluation report against technical and strategic criteria, scoring and comparing candidate sites.

• Geographic and natural risk analysis (distance to fault lines, flood zones, landslide and fire risk)
• Environmental risk analysis (fuel depots, chemical plants, airport flight corridors, railways, high-voltage lines)
• Power infrastructure review: available transformer capacity, dual feed from separate feeders, distance to the medium-voltage connection point
• Fibre optic access, carrier diversity and the option of diverse carrier entrance rooms
• Zoning status, building permits, height restrictions and district planning review
• Preliminary assessment of soil survey needs, bearing capacity and structural suitability
• Water supply for cooling, waste heat management and renewable energy integration potential
• Logistics access: heavy equipment routes, crane positioning, generator and chiller placement areas
• Weighted scoring matrix comparison of candidate sites and recommendation report

Data centre design covers a comprehensive architectural planning process aligned with your current and future IT needs. ONGSEC designs every component in an integrated manner — from space selection to power infrastructure, from cooling systems to cabling — and converts them into implementation drawings.

• Basis of Design document and written record of design assumptions
• Determining the redundancy level: cost–availability analysis of N, N+1, 2N and 2N+1 topologies
• Power density (kW/rack) target and mixed-density (low/medium/high) zoning
• Defining white space and grey space ratios
• Modular block design suited to phased growth and reserve for future expansion

• Physical space planning, rack and cabinet layout, aisle widths
• Hot aisle / cold aisle arrangement and containment strategy reflected in the design
• Structured cabling topology selection (ToR, EoR, MoR) and backbone cabling plan
• Copper and fibre cable routes, cable tray and duct cross-section calculations
• Main distribution area (MDA), horizontal distribution area (HDA) and entrance room (ER) planning

• Single line diagram and power distribution architecture
• Power density (W/rack) calculation, PDU/ATS/STS design and load balancing
• UPS capacity and autonomy calculation, generator sizing and fuel autonomy
• Cooling capacity (kW) modelling, airflow optimisation and CFD analysis
• Fire detection and gaseous suppression integrated into the design
• Environmental monitoring and DCIM architecture, sensor placement plan

Documented conformity to international standards and Tier classification increases corporate reputation, secures business continuity and reinforces customer confidence. ONGSEC provides technical support from the design phase through to the certification audit.

• Uptime Institute Tier I–IV certification consultancy (Design Documents and Constructed Facility)
• TIA-942 (Telecommunications Infrastructure Standard for Data Centers) preparation and compliance
• EN 50600 series European data centre standards compliance consultancy
• ANSI/BICSI 002 data centre design and implementation best practices
• Compliance with ASHRAE TC 9.9 thermal guidelines and operating envelope verification
• Adapting ISO 27001 Annex A physical and environmental security controls to the data centre
• Technical support through independent auditor processes, gap closure and document management

• PUE (Power Usage Effectiveness) measurement methodology and target setting
• WUE (Water Usage Effectiveness) and CUE (Carbon Usage Effectiveness) tracking
• Modelling free cooling potential against local climate data
• Waste heat recovery and feasibility of integration into building heating
• Renewable energy integration (solar, wind) and energy storage assessment
• Improvement list based on the EU Code of Conduct for Data Centres best practices
• Energy efficiency audit and quick-win report for existing data centres

Moving an existing data centre to a new facility, or consolidating several data centres under one roof, are critical projects that require meticulous planning. ONGSEC manages these processes with a zero-downtime objective.

• Existing infrastructure inventory and application dependency mapping
• Definition of migration waves, phased migration planning and risk matrix
• Live migration of systems and planning of outage windows
• Physical relocation logistics, equipment packing, insurance and secure transport coordination
• Data integrity verification, acceptance tests and rollback plan
• Safe decommissioning of the old data centre and data destruction processes

• Preparation of technical specifications (vendor-neutral, with measurable acceptance criteria)
• Survey, quantity take-off and unit price analysis; approximate cost study
• Preparation of technical annexes to administrative specifications and support in answering tender questions
• Establishing bid evaluation criteria and a technical scoring matrix
• Technical evaluation of received bids and conformity report
• Owner's engineer supervision of contractor works and technical progress-payment control