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Design of Building Systems Is Systematically Sequenced and Interdisciplinarily Coordinated

6.2 Electrical Systems Design 6.2.1 Concept Design Phase 6.2.2 Schematic Design Phase 6.2.3 Design Development Phase

6.2.3 Design Development Phase

Electrical engineers further develop the conceptual designs into spatially and technically coordinated layouts. Their responsibilities in the DD phase include:

  • Finalizing lighting layouts, fixture types, circuit distribution, and emergency lighting provisions
  • Developing socket layouts, small power distribution, and control strategies
  • Preparing single-line diagrams (SLDs) for DBs, SMDBs, MDBs, and MV connections
  • Performing detailed load calculations, voltage drop analysis, and feeder sizing
  • Coordinating electrical panel locations, conduit routes, ceiling voids, and ELV system requirements

Electrical output ensures that the power infrastructure supports all disciplines and functional spaces while complying with applicable standards and performance criteria.

Tasks
1.0 Review Approved Schematic Design and Design Criteria
2.0 Review Architectural and Mechanical Design Development Inputs
3.0 Finalize Lighting Design
4.0 Finalize Small Power Design
5.0 Finalize ELV and Low Current Systems
6.0 Finalize Emergency Power and UPS Systems
7.0 Finalize LV Power Distribution System
8.0 Finalize Earthing and Lightning Protection Systems
9.0 Finalize Medium Voltage (MV) Utility Connection
10.0 Finalize Electrical Calculations
11.0 Prepare Electrical Technical Specifications
12.0 Prepare Electrical Bill of Quantities (BOQ)
13.0 Compile and Submit Electrical Design Development Package
6.2.4 Construction Documents Phase 6.2.5 Bidding Phase
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