FEEDBACK

Engineering Calculators for Smart Infrastructure

Four focused, standards aware tools to speed up pre design and early BoQ: gas suppression sizing, fire detectors count, data/network & cabling, and public address systems.

Explore Tools Request a Quote
FEEDBACK Tools
Our Calculators

Quick Access

Each tool includes a one page PDF summary, standards notes, and a "Get Offer" call to action.

Download Android App

Life Safety

3 Tools
Suppression Gas Calculator

FM-200 / CO₂ sizing, cylinders pick, safety notes.

Open
Fire Alarm Sensors Calculator

NFPA 72-informed detector counts & accessories.

Open
Occupant Load & Evacuation Time

Occupant load, egress flow & time estimate.

Open

CCTV / Video Surveillance

5 Tools
CCTV Storage & Bitrate Planner

ONVIF/Vendor heuristics, advisory sizing.

Open
Camera Lens / FOV & PPM

IEC 62676 thresholds, advisory geometry.

Open
Lighting Lux Advisor for CCTV

Illuminance targets & IR/white light hints.

Open
Screen & Console Load Planner

Estimate monitor, console, and Wallscreen Sizeing.

Open
Internet Bandwidth for CCTV Remote

Uplink for remote viewing & NVR relay.

Open

Access Control

2 Tools
Door Hardware / Lock Selection

Fail-safe/secure, hold-open, fire-door logic.

Open
Turnstile & Gate Capacity

Throughput vs. lanes & credentialing.

Open

Structured Cabling & IT Infra

7 Tools
Unified Data/Network & AP Estimator

RJ45, Wi-Fi APs, PoE, copper/fiber & labels.

Open
Structured Cabling BOM Builder

Bill of materials from counts & pathways.

Open
Voltage Drop Calculator

Copper & fiber attenuation advisory model.

Open
Fiber Optic Link Budget

dB loss: length, connectors, splices, splitters.

Open
Rack Device Label Generator

Auto-generate labels for rack devices, ports, and patch panels.

Open
Wi-Fi Coverage Estimator

AP count, placement, capacity & channels.

Open
PoE Budget & Cable Length Verifier

IEEE 802.3af/at/bt, TIA-568 gauges, drop model.

Open
Cable Tray & Conduit Sizing Tool

Calculate tray width/depth and conduit sizes from cable counts, diameters, and fill limits. Includes bend-radius checks, derating, and standards hints (TIA-569/NEC).

Open

Rack & Power Management

4 Tools
Rack Space & Power Planner

U-space, power, heat load, UPS sizing.

Open
3D Rack Visual Preview

Real-time 3D visualization of full rack layout, Generate Reports of rack configuration, power data, and U-maps.

Open
UPS Load & Runtime Calculator

Estimate UPS capacity, backup duration, and power load per rack or console.

Open
Earthing & Bonding Calculator

Ground resistance, conductor sizing, and safety compliance verification.

Open

Intercom / Public Address

2 Tools
Public Address (PAS) Estimator

Speakers coverage, amplifier power, zones, cabling.

Open
PA Loudspeaker Coverage

Coverage radius, SPL at listener, amplifier sizing.

Open

IT Services & Digital

2 Tools
Internet Bandwidth Calculator

WAN sizing, QoS allocation, failover planning.

Open
PBX & Contact Center Sizing

Voice channels, trunk sizing, agent planning.

Open
Preliminary estimates only. These tools are provided for planning. Final design must follow applicable codes and manufacturer documentation, and be approved by the AHJ.
About FEEDBACK

Integrated Engineering, Practical Delivery

FEEDBACK delivers integrated Security, Safety & IT infrastructure—from design to commissioning. Our calculators encapsulate field know how to accelerate concept sizing while staying aligned with codes and best practices.

Turnkey EPC & facility support
Standards compliant designs
Multi vendor integration
Visit Main Website Download Android App
About FEEDBACK
Get in Touch

Need a Detailed Proposal?

Use the tools to prepare prelim quantities, then contact our engineering team for a full design and commercial offer.

Building 119, The Second Neighborhood, New Fostat City, Masr El Qadema, Cairo, Egypt
Building 5, 9 St., Block 18, 50 St., Waha City, Nasr City, Cairo, Egypt
+20 10 288 99 529 • +202 2410 5150
sales@feedbackeg.com
Contact Form
Standards & Notes
  • NFPA & ISO/IEC references for fire & cabling design.
  • TIA/EIA-568, TIA-606, BS EN 50174, IEC 60364 guidance baked into tools.
  • PDF summaries are for planning; not for construction or life-safety.
  • IEC 60332 compliance ensures fire-resistant cabling in critical zones.
  • ISO/IEC 11801 provides structured cabling design for scalable networks.
  • TIA-942 guidelines align with data center topology and reliability tiers.
  • BS EN 50173 series sets performance categories for copper & fiber media.
  • NEC (NFPA 70) emphasizes safe electrical pathways and grounding practices.
View Compliance Codes

FEEDBACK

Your trusted partner in smart infrastructure.

Quick Links
Our Calculators Main Website Contact
Disclaimer

All calculators provide preliminary estimates only and must be verified by a qualified engineer against applicable codes and manufacturer documents.