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AHI – Fertigung

Engineering office for planning and construction supervision of building technical electrical systems in the Rhine-Main area

AHI Logo

AH Ingenieurgesellschaft mbH für Elektrotechnik

Klein-WinternheimNew on Amplifa

GmbH, founded in Mainz-DraisFoundership as AH Ingenieurgesellschaft by Dieter Arnold
HRB 47107, District Court MainzCommercial Register
Headquarters Klein-Winternheim (formerlyLocation
25 yearsAnniversary with customer event
Electrical engineering planning, activeScope of services

About AHI

AHI Ingenieurgesellschaft mbH (AHI) is an electrical engineering planning office located in Klein-Winternheim near Mainz. The company covers the entire range of electrical engineering for buildings: energy and heavy current system technology including photovoltaics, information and communication technology, lighting technology, security technology such as fire alarm and voice alarm systems, electrical installation technology and room automation with KNX/DALI/EnOcean, conveyance technology for elevators, and lightning and surge protection. Furthermore, AHI offers BIM planning (Building Information Modelling), cost and schedule management with the tools iTWO/ARRIBA and Microsoft Project, as well as quality management. The range of services includes consulting, planning, and construction supervision in all phases of performance. Among the clients are Merck, Boehringer Ingelheim, ZDF, SWR, Deutsche Bundesbank, Universitätsmedizin Mainz, and Stadtwerke Mainz. The office, founded in 1987 (year not officially documented) and originally located in Mainz-Drais, has been operating since moving to Klein-Winternheim in the Rhine-Main area and handles projects throughout Germany.

Site
Klein-Winternheim
Processes
Planning of energy and heavy current system technology (Medium/Low voltage switch and, Planning of information and communication technology (IT/TK networks, call, speech, and, Planning of lighting technology (interior, exterior, and safety lighting systems), Planning of security technology (fire alarm systems, voice alarm, intrusion detection systems,, Planning of electrical installation technology and room automation (KNX/DALI/EnOcean bus systems), Planning of conveyance technology (passenger and goods elevators, platform lifts, new, Planning of lightning and surge protection (external/internal lightning protection, grounding, BIM working method (Building Information Modelling, 3D building model for electrical installations)
Materials
Energy and Heavy Current System Technology, Information and Communication Technology, Lighting Technology, Security Technology, Installation Technology and Room Automation, Conveyance Technology, Lightning and Surge Protection, Building Information Modelling
Certificates
ISO 9001:2015, DIN 14675-2:2020, IATF 16949, ISO 14001
Industries
Office and administrative buildings, Health and care facilities, Industry and commercial use, Sport and culture, Educational institutions, Residential and hotel buildings
  1. 01

    Consulting and project information

  2. 02

    Design and preliminary planning with coordination of authorities, energy

  3. 03

    Detailed planning and quantity estimation

  4. 04

    Bill of quantities, submission, and tendering

  5. 05

    Construction supervision and measurement

  6. 06

    Cost and schedule control until final invoice

Services and Planning Methods

ENG-EE

Energy and Heavy Current System Technology

Planning of MS/NS switch and distribution systems, reactive power compensation, harmonic filters, NU/SV/UPS self-supply, and photovoltaic systems.

ENG-IK

Information and Communication Technology

Planning of passive neutral IT/TK networks as well as call, speech, and sound reinforcement systems.

ENG-LIC

Lighting Technology

Planning of interior, exterior, and safety lighting systems.

ENG-SEC

Security Technology

Planning of fire alarm systems, voice alarm, intrusion detection systems, access, and video surveillance.

ENG-AUTO

Installation Technology and Room Automation

Planning of substations, wiring systems, and KNX/DALI/EnOcean bus systems.

ENG-AUF

Conveyance Technology

Planning of passenger and goods elevators, platform lifts, conversions, and modernizations.

ENG-BLITZ

Lightning and Surge Protection

Planning of external and internal lightning protection, grounding systems, and potential equalization.

BIM

Building Information Modelling

Representation of electrical installations in the 3D building model with integrated digital system coordination.

QMK

Cost and Schedule Management

Continuous budget and schedule control with iTWO (formerly ARRIBA) and Microsoft Project.

Location

Standort Klein-Winternheim

Klein-Winternheim

DE

Headquarters / Planning Office

Materials
Energy and heavy current technology, IT technology, lighting, security technology, room automation, conveyance
  • iTWO/ARRIBA
  • Microsoft Project
  • CAD and BIM planning tools

Reference Projects

Merck LTC – Energy Supply, Transformer Station
Merck LTC – Energy Supply, Transformer StationHeavy Current System Technology · Industry
Merck Learning Center – Power Supply
Merck Learning Center – Power SupplyHeavy Current System Technology · Industry
Merck – 20-kV Supply Point
Merck – 20-kV Supply PointMedium Voltage Technology · Industry
St. Christoph Memorial – Redevelopment
St. Christoph Memorial – RedevelopmentElectrical Engineering · Culture
ZDF Main Casino – Renovation
ZDF Main Casino – RenovationElectrical Engineering · Media

Inside the production

AHI Electrical Planning Scope of Services
AHI Electrical Planning Scope of Services
Office Building Am Weinkastell, Klein-Winternheim
Office Building Am Weinkastell, Klein-Winternheim
25 Years AHI – Anniversary Customer Event
25 Years AHI – Anniversary Customer Event
Merck LTC – New Construction Power Supply
Merck LTC – New Construction Power Supply
KiTa Landteilstraße Mannheim – New Construction
KiTa Landteilstraße Mannheim – New Construction

Industries

Office and administrative buildingsHealth and care facilitiesIndustry and commercial useSport and cultureEducational institutionsResidential and hotel buildings

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Planning of energy and heavy current system technology (Medium/Low voltage switch andEngineering–––––
Planning of information and communication technology (IT/TK networks, call, speech, andEngineering–––––
Planning of lighting technology (interior, exterior, and safety lighting systems)Engineering–––––
Planning of security technology (fire alarm systems, voice alarm, intrusion detection systems,Engineering–––––
Planning of electrical installation technology and room automation (KNX/DALI/EnOcean bus systems)Engineering–––––
Planning of conveyance technology (passenger and goods elevators, platform lifts, newEngineering–––––
Planning of lightning and surge protection (external/internal lightning protection, groundingEngineering–––––
BIM working method (Building Information Modelling, 3D building model for electrical installations)Engineering–––––
Project management/Quality management, cost and schedule management (iTWO/ARRIBA, Microsoft Project)Engineering–––––

Additional services

Electrical Engineering Planning and Construction SupervisionEnergy and heavy current system technology (MS/NS, NU/SV/UPS, Photovoltaics)Information and communication technologyLighting technologySecurity technology (BMA, Voice Alarm, Video, Access)Electrical installation technology and room automation (KNX/DALI/EnOcean)Conveyance technology (Elevators)Lightning and surge protectionBIM planning (Building Information Modelling)Cost and schedule management (iTWO/ARRIBA, MS Project)Quality management

Reference customers

Merck DarmstadtBoehringer IngelheimISRA VisionZDF MainzSWR MainzMainz 05Deutsche BundesbankAareal BankStadtwerke Mainz AGUniversitätsmedizin MainzChemical Factory BudenheimState Theater Mainz

Quality and Certification

AHI is certified according to DIN EN ISO 9001:2015 (TÜV Rheinland); the QM system defines all operational processes from project information to the final invoice. A certification according to DIN 14675-2:2020 exists for the planning and acceptance of fire alarm and voice alarm systems.

EvidenceKlein-Winternheim
ISO 9001:2015
DIN 14675-2:2020
IATF 16949
ISO 14001

Company History

  1. k. A.

    Foundership of AH Ingenieurgesellschaft by Dieter Arnold and Michael Hensel in Mainz-Drais

  2. k. A.

    Relocation of headquarters from Mainz-Drais to Klein-Winternheim

  3. k. A.

    25 years AHI – anniversary with a major customer event

  4. 2025

    Renewal of certificates ISO 9001:2015 (valid until 25.11.2028) and DIN 14675-2:2020 (valid until 10.09.2027)

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