Latest News

We are now HECO Engineers!

We are excited to announce that our company name will be changing to HECO Engineers.  We all live in a world that is continually adapting and changing.  Our name change reflects Holladay Engineering’s tradition of responsiveness to our clients through expanding the depth and range of our engineering services. Holladay Engineering has established a reputation of providing our clients with responsive, quality, engineering services, tailored to their specific needs.  As we rebrand our company, there has been no change in management and we will continue to provide the same elevated level of service on which we have built our reputation. You will be noticing our name change on all our emails, letterhead, invoices and promotional items. 

NEW PROJECT FOR BIDDING:  Clay Peak Containment Pond & Solids Settling Basin Construction
This project includes the construction of a double lined 6-acre containment pond, pond leakage detection system, piping, solids settlement basin, and supporting roadways. Excavation of the Containment Pond is being performed under separate contract. Contractor shall provide all materials, equipment, and labor necessary to complete the final surface and grade for pond liner installation, provide and install double lined pond with leakage detection system including the sand cover, excavate and construct a concrete solids settlement basin, provide and install all project piping & appurtenances, and complete the pond access roadway and truck turn-around areas. County will furnish pit run aggregate for road base and ¾ minus aggregate for road surface to be place by Contractor.
BID DATE                                                                                                                   
Sealed bids for the described project will be received at the Payette County Clerk’s Office, 1130 3rd Avenue North Room #104, Payette, Idaho 83661 until 4:00 PM (local time) on FRIDAY, AUGUST 25, 20173:00 PM (local time) on FRIDAY, SEPTEMBER 29, 2017. (Per Addendum No. 1) Proposals submitted after the above specified time shall not be received or opened.
Bid opening shall be at the County Commissioners Meeting on August 28, 2017 at 9:00 A.M (local time). MONDAY, OCTOBER 2, 2017 at 9:00 AM (local time). (Per Addendum No. 2)
VIEWING LOCATIONS                                                                                               
The Contract Documents may be examined at the following location(s):

  • HECO ENGINEERS (Holladay Engineering Co), 32 N Main Street, Payette, Idaho
  • Payette County Clerk’s Office, 1130 3rd Ave N, Room #104, Payette, Idaho

To view the Bid Documents and/or the Plan Holders List online, click onto the link below:
Current Plan Holders List:  QuestCDN portal for Holladay Engineering
(A separate window will appear. Click on the Project Name to see detailed advertisement, then you have the option to view, download or print from the options presented.)

HOW TO PURCHASE                                                                                                  
Official Bidding Documents can be downloaded for a non-refundable, non-transferrable charge of $20.00 from QuestCDN.
By visiting using QuestCDN Project #5167050
Contact QuestCDN at 952-233-1632 or for assistance in viewing or downloading this digital project information.
Already signed up with QuestCDN?
Here’s a quick link for this project:  QuestCDN portal for Holladay Engineering 
- OR -
Paper copies of the Official Bidding Documents may be obtained directly from HECO Engineers, located at 32 N Main Street, Payette, Idaho, upon payment of $125.00, non-refundable, non-transferrable for each set.
PROJECTS FOR BIDDING   (Frequently Asked Questions)                                                                                       
How can I get a copy of the Plan Holders List?
                QuestCDN portal for Holladay Engineering
                (Click on link listed above & choose project listed.  A pop up window will open. Click on “View Plan Holders”)
This list is updated whenever someone purchases a digital download or hard copy of the plans & specs.
Can I be automatically notified when projects are out for bidding?
                No.  The best way to see if there are any projects out for bidding by HECO Engineers is to check the Public or Legal Notices.
Where can I get a copy of the plans & specs?
                To Purchase:         A)  Go to for a digital download.
                                                B)  Go to HECO Engineers’ office for a paper hard copy.
                To View Only:       Refer to “VIEWING LOCATIONS” section above.


BID RESULTS:  City of Eagle Floating Feather Water Main project  (QuestCDN #4729903)
                             City of Cambridge Wastewater Collection System Improvements – Phase 2   (QuestCDN #4716447)
                             City of Eagle BMX Restroom/Concessions Redesign project  (QuestCDN #4793634)
                             City of Nyssa Water System Improvements project  (QuestCDN #5092401)

Project Results:  QuestCDN portal for Holladay Engineering
                                (Click on link listed above & enter QuestCDN project number.  A pop up window will open. Click on “View Plan Holders”)


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HECO Engineers