Summary
Overview
Work History
Education
Skills
Certification
Timeline
Training
Years with Hensel Phelps
Years in Construction
Generic

Ysu R. Mendiola

Dededo

Summary

Ysu participates in many of the field activities especially as related to safety and quality control. He works with the project engineer to exercise judgment and discretion in making recommendations, implementing policies and procedures, and handling a wide variety of matters in the office such as trade partner/supplier management to administer contract changes (e.g., RFIs and change orders), management of financial accounts, scheduling of deliveries, reporting on production trends, other administrative aspects of the project.

Overview

2026
2026
years of professional experience
1
1
Certification

Work History

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
2024 - Current
  • Construct J-313 tactical ground equipment corrosion control facility consisting of a concrete building with high-bay sections, concrete slab, sound a climate insulation and a concrete roof supported by concrete framing.
  • Duties Include:
  • Support the field through materials management to maintain the project schedule and sequencing.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies for both self-work and trade partners.
  • Assist QC Manager in creating and submitting QC Daily Reports to owner.
  • Manage trade partner employees involved in the submittal and shop drawing process.
  • Perform detailed reviews and provide approvals of submittals, shop drawings and product data.
  • Create and process RFIs in a solutions-orientated manner.
  • Collaborate with the owner reps to resolve any design or as-built issues during the project.
  • Process subcontract bonds, insurance, pay applications, correspondence, change estimates and potential change orders.
  • Assist with data gathering for the monthly owner pay application and margin analysis.
  • Assist Safety Manager with various safety management tasks and assume that position in the absence of the primary SSHO
  • Participate in jobsite safety meetings, weekly safety audits, etc.
  • Support BIM and VDC coordination meetings in the creation of RFIs, as needed, and review shop drawings from the coordinated model.
  • Contract Value: $78.8 million
  • Owner: Department of Defense
  • Owner Representative: Navfac Marianas

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
01.2022 - Current
  • The work includes the design and construction of P-311 Central Fuel Station to serve the Marine Corps base on Guam and support its tactical activities. The project consisted of fueling stations, a fuel storage facility, a fuel administration building, and a generator building.
  • Duties Included:
  • Support the field through materials management to maintain the project schedule and sequencing.
  • Supervise trade partner employees involved in the submittal and shop drawing process.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies.
  • Assist QC Manager to close any outstanding deficiencies.
  • Assist Safety Manager in various Safety Management Tasks
  • Perform detailed reviews and provide approvals of submittals, shop drawings and product data.
  • Create and process RFIs in a solutions-orientated manner.
  • Process subcontract bonds, insurance, pay applications, correspondence, change estimates and potential change orders.
  • Assist with data gathering for the monthly owner pay application and margin analysis.
  • Participate in jobsite leading safety meetings and weekly safety audits, etc.
  • Support BIM and VDC coordination meetings in the creation of RFIs, as needed, and review shop drawings from the coordinated model.
  • Contract Value: $24.5 million
  • Delivery Method: Design-Bid-Build
  • Owner: Department of Defense
  • Owner Representative: Navfac Marianas

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
01.2022 - Current
  • The $25 million P-317 Combined EOD Compound involved design and construction of a 32,000-square-foot single-story facility to support the Guam Explosive Ordinance Disposal and 9th ESB EOD Headquarter and and administrative functions of the US Marine Corps Base, Guam that consists of a Combined EOD Building. Organizational Hazardous/Flammable Storage building, Ready Service Lockers (RSLs), Trash Enclosure, Transformer Enclosure, Non-organizational Vehicle Parking, Operational Vehicle Laydown Area and Bicycle parking area. The facility will include a vestibule, duty office, bunkroom, Janitor closet, bomb suit cooling, breakroom, laundry, male and female restrooms/showers/lockers, training/library, secured vestibule, secure room, telecommunications rooms, classroom, offices, workshop/vehicle and fuel tank. The Organizational Hazardous/Flammable Storage building will allow for storage of gas cans and spray paints while RSLs (government-furnished) will Allow the Base EOD team to store ordnance items for their operations and Trainings.
  • Duties Included:
  • Support the field through materials management to maintain the project schedule and sequencing.
  • Supervise trade partner employees involved in the submittal and shop drawing process.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies.
  • Assist QC Manager to close any outstanding deficiencies.
  • Perform detailed reviews and provide approvals of submittals, shop drawings and product data.
  • Create and process RFIs in a solutions-orientated manner.
  • Process subcontract bonds, insurance, pay applications, correspondence, change estimates and potential change orders.
  • Participate in jobsite safety meetings, weekly safety audits, etc.
  • Support BIM and VDC coordination meetings in the creation of RFIs, as needed, and review shop drawings from the coordinated model.
  • Contract Value: $25 million
  • Delivery Method: Design-Build
  • Owner: Department of Defense
  • Owner Representative: Navfac Marianas

Equipment Manager

Marine Corps Base Camp Blaz
01.2021 - 01.2022
  • Duties included:
  • In charge of all equipment assets which included heavy equipment, light equipment, vehicles, and tools.
  • Provided heavy and light equipment to support the project’s equipment needs.
  • Provided HE mechanic support for maintenance and repair for all of the project tools and equipment.
  • Oversaw all procurement related to project tools and equipment.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA and EM 385-1-1
  • Ensured that all personnel followed the project’s HACCP plan.
  • Contractor: Pacific Rim Constructors
  • Owner: Department of Defense

Equipment Manager

Ironwood Villa Del Mar
01.2020 - 01.2021
  • Duties included:
  • Provided HE mechanic support for maintenance and repair for all of the project tools and equipment.
  • Provided heavy and light equipment to support the project’s equipment needs.
  • Provided HE mechanic support for maintenance and repair for all of the project tools and equipment.
  • Oversaw all procurement related to project tools and equipment.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA and EM 385 1-1.
  • Ensured that all personnel followed the project’s HACCP plan.
  • Contractor: Pacific Rim Constructors

Equipment Manager

GNC Cable Landing Station I
01.2019 - 01.2020
  • Duties included:
  • Provided HE mechanic support for maintenance and repair for all of the project tools and equipment.
  • In charge of all equipment assets which included heavy equipment, light equipment, vehicles, and tools.
  • Provided heavy and light equipment to support the project’s equipment needs.
  • Provided HE mechanic support for maintenance and repair for all of the project tools and equipment.
  • Oversaw all procurement related to project tools and equipment.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA and EM 385 1-1.
  • Ensured that all personnel followed the project’s HACCP plan.
  • Contractor: Pacific Rim Constructors

Project Coordinator/Area Superintendent

ASAN-ADELUP-HAGATNA Sewer Rehabilitation Asan Sewer Break Repair
01.2017 - 01.2019
  • Duties included:
  • Perform detailed reviews and provide approvals of submittals, shop drawings and product data.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Create and process RFIs in a solutions-orientated manner.
  • Coordinate field construction work through organization and proper planning, and by having a collaborative relationship with trade partners. Participate in weekly schedule and management meetings with trade partners.
  • Promote and enforce the site-specific safety plan and sound safety principles within their area of work. Create AHAs/STAs with foremen for all self-performed work.
  • Participate and facilitate jobsite safety meetings.
  • Participate in project scheduling and maintain the portion of the four-week schedule for their area to ensure the project is completed on time.
  • Keep accurate cost and production records.
  • Develop and maintain relationships with the owner, architect, engineer and trade partners to ensure the highest level of quality and customer service is delivered.
  • Participate in the project coordination meetings to maintain pre-planning engagement and scheduling in the coordination activities.
  • Ensure that material received is properly inspected for quantity and quality, and that the receiving tickets are properly signed and coded and given to the jobsite administrator.
  • Ensured that all personnel followed the project’s HACCP and SWWP plan.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA.
  • Contractor: Pacific Rim Constructors

Project Coordinator/Area Superintendent

Dusit Thani Guam
01.2016 - 01.2017
  • Duties included:
  • Participate in the project coordination meetings to maintain pre-planning engagement and scheduling in the coordination activities.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies.
  • Assist QC Manager to close any outstanding deficiencies.
  • Promote and enforce the site-specific safety plan and sound safety principles within their area of work. Create AHAs/STAs with foremen for all self-performed work.
  • Participate and facilitate jobsite safety meetings.
  • Coordinate field construction work through organization and proper planning, and by having a collaborative relationship with the owner.
  • Keep accurate cost and production records.
  • Perform production trend analysis for quantities of work in place.
  • Assist foremen with interpretation of plans and specifications.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA.
  • Contractor: Pacific Rim Constructors

Project Manager

Naval Hospital Guam
01.2013 - 01.2015
  • Duties included:
  • Prepared pricing and contracts to the GC for all labor and equipment that we provided.
  • Support the field through materials management to maintain the project schedule and sequencing.
  • Adjusted labor as necessary to ensure that the production kept up with the project schedule.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies.
  • Reported field and office production hours to our accounting team for invoicing.
  • Provided pricing for any potential change orders during the project.
  • Coordinated all purchases and rentals for all equipment needed on the project.
  • Coordinated shipping for equipment needed from off-island
  • Aided in Human Resources duties such as recruiting, interviewing, and training.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA
  • Managed the project costs to ensure that we remained profitable.
  • Contractor: Guam Forming & Scaffold LLC

Project Manager

Guam Regional Medical City
01.2011 - 01.2014
  • Duties included:
  • Prepared pricing and contracts to the GC for all labor and equipment that we provided.
  • Support the field through materials management to maintain the project schedule and sequencing.
  • Adjusted labor as necessary to ensure that the production kept up with the project schedule.
  • Facilitate the quality control plan and participate in preparatory meetings, initial inspections, follow-up inspections, etc.
  • Assist QC Manager to identify any potential or installed deficiencies.
  • Reported field and office production hours to our accounting team for invoicing.
  • Provided pricing for any potential change orders during the project.
  • Coordinated all purchases and rentals for all equipment needed on the project.
  • Coordinated shipping for equipment needed from off-island
  • Aided in Human Resources duties such as recruiting, interviewing, and training.
  • Ensured that all personnel had been properly trained in and followed all safety standards set by OSHA and EM 385 1-1.
  • Managed the project costs to ensure that we remained profitable.
  • Contractor: Guam Forming & Scaffold LLC

Education

Bachelor of Arts - Business Administration

University of Guam
Mangilao Village, Guam

Associate of Arts - Liberal Arts And Sciences

Guam Community College
Mangilao Village, Guam

Skills

  • Operations Management
  • Project Management
  • Cost control
  • Teamwork and collaboration
  • Problem-solving
  • Excellent communication
  • Microsoft office
  • Bluebeam
  • Revit
  • Risk assessment
  • Quality control
  • Construction safety
  • As-built documentation
  • Materials management
  • Schedule management

Certification

  • OSHA 30 Hour
  • 40 Hour EM385-1-1 Construction Hazard Awareness
  • First Aid, CPR, AED

Timeline

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
01.2022 - Current

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
01.2022 - Current

Equipment Manager

Marine Corps Base Camp Blaz
01.2021 - 01.2022

Equipment Manager

Ironwood Villa Del Mar
01.2020 - 01.2021

Equipment Manager

GNC Cable Landing Station I
01.2019 - 01.2020

Project Coordinator/Area Superintendent

ASAN-ADELUP-HAGATNA Sewer Rehabilitation Asan Sewer Break Repair
01.2017 - 01.2019

Project Coordinator/Area Superintendent

Dusit Thani Guam
01.2016 - 01.2017

Project Manager

Naval Hospital Guam
01.2013 - 01.2015

Project Manager

Guam Regional Medical City
01.2011 - 01.2014

Office Engineer / Alternate QC & Safety Manager

Marine Corps Base Camp Blaz
2024 - Current

Bachelor of Arts - Business Administration

University of Guam

Associate of Arts - Liberal Arts And Sciences

Guam Community College

Training

  • SAIA Supported Scaffold Competent Person
  • SAIA Suspended Scaffold Competent Person
  • Fall Protection Competent Person
  • Forklift/Telehandler Operator
  • Confined Space Competent Person

Years with Hensel Phelps

3

Years in Construction

14

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Ysu R. Mendiola