Khoi Nguyen, P.E. Email & Phone Number

San Francisco Bay Area

Aphora Group is a licensed professional engineer and contractor, offers services in residential design, permit, structural engineering and construction. We serve throughout the San Francisco Bay Area, California.

San Leandro

● Technical lead, managed ~100 of engineering requests to install construction hoists & tower cranes for clients nationally- Took charge of the analysis, design and detailing of hoists and tower cranes from start to finish: feasibility, installation, completion and removal phases. - Managed 3-5 draftsmen to produce construction drawings, fully responsible for final drawings quality- Coordinated with construction team to ensure a smooth and safe installation of the equipment on site

Chicago

● Designed and detailed 6-story 75,000 sq.ft Cleveland Clinic, Weston (Florida) ($302M), shortened design time by 30%- Analyzed and designed structures to withstand hurricane’s wind speed of 180mph including penthouse, bus canopies, elevator’s framings, all footings, grade beams, base plates, and connections, etc. - Delivered Revit drawings and details in very short-time notice (70% normal completion time)- Documented all of the detail calculations● Schematic-designed a 200,000 sq.ft river-front 5-story office building in Chicago, completed 40% ahead of schedule - Managed 2 draftsmen to produce drawings; collaborated with 2 architects to assure design feasibility- Accomplished extensively long span (~53 ft) vibration analysis; designed all gravity and lateral framings

Greater Chicago Area

● Analyzed structures and buildings to sustain gravity, seismic, wind and snow load, conducted vibration analysis, complied with various codes of practice● Detail-designed for foundation, gravity and lateral design for steel framings, composite slab of buildings, concrete underground structures; produced calculation reports● Managed 3 draftsmen to produce plans, checked and approved construction shop drawings● Highlighted design projects- Uni. of Chicago - Medical Building: 4-story 110,000 ft2 steel framed building, completed 15% ahead of schedule- NEIU- Education Building: 5-story 165,700 ft2 steel framed building with basement, completed 20% ahead of schedule- Legacy Charter School: 3-story 62,225 ft2 composite slab, steel framed building, completed the project on time- Uni. of Chicago Medicine- Office Tower (bidding stage)- 8 story (Base) and 12- story (Alternate) office tower atop of existing 8-story Parking Garage, designed gravity and lateral framing, supporting truss and quantified tonnage - Albany Storm-water Diversion Tunnel: Underground concrete outfall structure and 30 ft. diameter shaft - Miami Beach Sanitary Lift Station (45 ft. underground): slabs of 35 ft. diameter, completed 15% ahead of schedule- Chicago Central Park Pumping Station: re-configured the layout, re-designed mezzanine slab, and joined the new structures to the existing - Chicago Prairie Creek - Flood Control system: concrete culverts of ~4 mile long - Chicago O'Hare Airport, A380 Gate Enhancement: investigated capacity of existing steel frame and basement wall subject to heavy A380 airplane, designed new passenger boarding bridge and boarding gate, completed 30% ahead of schedule- UIUC Everrit 5-story Laboratory Building: Investigated and strengthened structural beams, columns to resist new floor and roof, and an increase in floor loading; completed 20% ahead of schedule

Singapore

● Accredited Resident Engineer required by Singapore Building Construction Authority to manage large construction projects- Stationed at sites, inspected all structural components, corrected construction mistakes, prevented ~$500K cost- Led and instructed 8-10 on-site technical officers, managed entire projects from initial to completion stage, resulted in 5% reduction in construction time- Liaised with 5 authority and 11 client officers, passed all stringent bi-weekly and unscheduled site checks- Produced weekly site progress reports, documented and organized weekly inspection records- Approved all construction shop drawings, method statements, tests and materials- Inspected instrumented pile load tests, the foundation work of 433 piles of 2'-3'diameter, micro piles, superstructure of beams, slabs, columns, precast components, roads, and underground facilities ● Projects included:- Joo Seng Green Residence (243 apartments, $32M): four 12-to-18-story residential buildings and a 6-story carpark- Housing and Development Board project ($12M): the construction of 24 elevators for 8-to-24-story residential buildings

Singapore

● Managed ~$32M Nation-wide High Pressure Gas Transmission Pipelines project for PowerGas-Singapore client through bidding, construction and completion stage, completed 18% ahead of schedule- Led a cross-functional team of 6 members from 4 departments to deliver specifications and bidding documents for client- Advised client on bidding decisions and contractor selections through site visits, feasibility study and contractor research- Coordinated with 4 government authority departments to obtain permit approvals- Ensured projects quality and progress, resolved site issues, oversaw contractors’ work of deep excavation and pipe jacking through collaborating with 5 site staffs and 6 client officers- Managed the projects’ completion stage including pipe taping connections, hand-over, and closing procedures● Consulted on technical aspects for the design and construction of $600M Senoko Power converting three 250MW oil-fired steam power plants into two 430 MW gas-fired combined cycle power plants, achieved 10% design reduction time- Represented WorleyParons in client meetings to resolve technical issues; approved thousands of calculations, detailed drawings

Singapore

● Designed large infrastructure projects, managed 3 draftsmen, checked plans and approved thousands of shop drawings● Resolved technical issues and attended client & contractor meetings; responsible for authority submission, contractor's request for information (RFIs)● Highlighted projects:- Kent Ridge and Holland Metro underground stations ($500M): managed construction stage, designed underground entrances, walkways, ventilation shafts, entrance buildings and link-ways, 6ft-thick platform slab with openings, etc.- Public Utility Board Reservoir (consultation fee of $800K): sole-engineer who designed the biggest prestressed concrete water tank in Singapore of 330 ft. diameter, delivered 10% ahead of project schedule - Offshore Platform Construction Yards (client MMHE): designed bulkheads of ~7ft. thick concrete slab to support extremely heavy load of 6,300 psf and the skidding facilities to support the load of 52,000 tons - Singapore Cruise Terminal Pier and Tuas Bus Terminal: analyzed, designed and delivered bidding drawings

Master'S Of Science, Civil Engineering

Bachelor Of Engineering, Civil Engineering

Executive member of NUS Civil Engineering Club Captain of Badminton Club - Vietnamese Community at NUS