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Structural Design & Drafting Portfolio
structural design, drafting, and BIM work by Kristoffer McClelland — Senior Structural Designer / BIM-VDC Specialist.
Blog Post
How Virtual Design and Construction Helps with Cost-Effective Construction Projects
Construction and Design. VDC represents Virtual Design and Construction. VDC clearly and rightfully deserves its nickname as unsung heroes within today’s modern construction industry. VDC marks the start or
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P04: Industrial PLC Automation & Control Panel — 24 VDC & 4-20 mA I/O (AutoCAD — 7 A3 Sheets)
engineering package in AutoCAD (IEC 61131-3 & NR-12, 7 A3 Sheets): PLC Network & Rack Architecture, 24 VDC Power Supply Distribution, Digital Input/Output Cards, 4-20 mA Analog Transmitter Wiring, Emergency
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MCC - Motor Feeders & VFD Drives
Motor control center for a waste management plant: motor starters, VFD-driven aerators, 24 VDC control supply with UPS, field junction boxes and terminals. Consistent device tagging across all sheets,
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Pump Station MCC Panel with VFD Drives
with VFD-driven pumps: main incomer, motor feeders, drive wiring, control and signalling circuits, 24 VDC supply, component list and panel layout. 12 sheets shown from an 85-sheet set; client and project data
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250 kVA Standby Diesel Generator & Automatic Transfer Switch - ATS/QTA (AutoCAD — 6 A3 Sheets)
single-line & three-line diagrams with mechanical/electrical interlocking (Utility vs. Generator), 24 VDC USCA/ATS functional control schematic, generator room layout, QTA panel layout, and cable/material
Job
electronics hardware designer for a portable 24 V valve service tool
The project needs:
24 VDC input, up to 10 A
4 independent channels
CH1 and CH2: adjustable power outputs, 0–24 V, with current limiting
CH3 and CH4: selectable PWM mode or regulated 0–1.0 A current
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P03: Industrial Motor Control Center (MCC) & Star-Delta Drives (AutoCAD — 7 A3 Sheets)
NBR 5410, 7 A3 Sheets): Three-Line Power Diagram, Star-Delta (Y-Delta) and Direct-On-Line (DOL) 24 VDC Control Schematics, Thermal Overload & Phase-Loss Protection, MCC Cabinet Layout, Terminal Blocks,
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Siemens PLC and HMI Control Panel
around a Siemens S7-1500 PLC with ET 200SP I/O: DI, DQ and AI modules, HMI panel, industrial switch, 24 VDC supply with UPS, interface relays, channel-by-channel I/O allocation and component list. 12 sheets
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IEC 61131-3 PLC & SCADA Modbus Automation — 250 kVA Generator ATS & 4-20mA PID Control
PID control with NAMUR NE43 fault detection, complete Modbus TCP/RTU register map, and multi-wire 24 VDC I/O & control schematics in QElectroTech. Repository: https://github.com/r-menegueli/automacao-clp-scada-iec61131