Important Information

Shut Off and Flow Schedule

75% flow from September 15th -September 30th
50% flow from October 1ST – 11th
Season shut off October 11th through the 13th

Winter Stock Run Schedule

The 2018 Stock Run Schedule:

November 27 – December 1 (the Pilot Butte Canal and the Central Oregon Canal)

*Due to a piping project on the Central Oregon Canal, only one Stock Run is scheduled for the winter.

January 8 – January 12 (Pilot Butte Canal)

February 19 – February 23 (Pilot Butte Canal)

Please remember that winter runs are subject to change or cancellation due to winter weather conditions. Heavy ice or snow in the ditches can cause damage to canal integrity and lead to flooding from blockages.

Winter runs are limited to patrons who need to fill ponds for livestock only. Oregon state statute forbids irrigation or landscaping uses during off-season months.




Sealed proposals for construction of the Central Oregon Irrigation District, SPP Property Piping Project (Project) will be received at Central Oregon Irrigation District, 1055 SW Lake Court, Redmond, Oregon 97756, until, but not after, 2:00 p.m., local time December 19, 2017.   Bids will be publicly opened and read at 2:00 p.m. December 19, 2017 at Central Oregon Irrigation District, 1055 SW Lake Court, Redmond, Oregon 97756.


Bidders must submit a Subcontractors Disclosure Form in a SEPARATE sealed envelope marked “Subcontractor Disclosure Statement – Siphon Power Property Improvements” prior to 4:00 p.m. on December 19, 2017, at the same location.

The work contemplated consists of, but is not limited to the following major items:

  • Construction of (1) – Forebay Outlet Structure
  • Installation of 3,020 linear feet of 132” diameter HDPE Profile Wall pipe
  • Installation of (1) – Manway
  • Installation of (9) – Angled fittings
  • Installation of (1) – Turnout stubs
  • Installation of (1) – Vent Riser
  • Construction of (1) – Pipeline Outlet Structure
  • The work includes, but is not necessarily limited to, grading, excavation, pipe material handling, pipe material welding, concrete placement, backfill, compaction, grading, site work, material export, and all ancillary work as required by the Contract Documents and as necessary to provide a complete and tested project, complete, and ready for service.

The contract time will be limited to a fixed 119 calendar day time schedule commencing on January 2, 2018 and ending on April 30, 2018. Substantial completion of all work included in the contract documents must be attained by March 30, 2018. Liquidated damages of $2,000.00 per day for the first 10 days and $10,000.00 per day thereafter shall be assessed should the contractor fail to achieve substantial completion within the time allowed.  Ditch rider road restoration, demobilization from the site and all closeout and punch-list items are to be completed by April 30, 2018.

Contractors shall use recyclable products to the maximum extent economically feasible in the performance of the contract work.

Disadvantaged Business Enterprises are encouraged to propose on this project. The project and associated Bid are subject to grant conditions provided in the Bid Documents.

For information regarding the proposed work or to request Contract Documents contact David C. Prull, P.E., Black Rock Consulting, 320 Upper Terrace Drive Suite 102, Bend, Oregon 97702 (phone 541-728-7092,  Hard copy: $100.00 non-refundable fee for each set.  Alternatively, free electronic copies are available upon request via email.

Contract documents may be examined at Central Oregon Irrigation District, 1055 SW Lake Court, Redmond, Oregon, or at Black Rock Consulting, 320 Upper Terrace Drive Suite 102, Bend, Oregon 97702 with 24 hours prior notice and scheduling.

A MANDATORY PRE-BID MEETING for representatives and potential Bidders will be held Tuesday, December 5, 2017 at 9:00 a.m. at the project site and Central Oregon Irrigation District field office, 61535 Brookswood Blvd., Bend, Oregon 97702. ATTENDANCE IS REQUIRED BY 9:00 AM SHARP TO SIGN IN AND BE ELIGIBLE TO SUBMIT A BID ON THIS PROJECT. LATE ARRIVERS WILL NOT BE ALLOWED TO SIGN IN NOR BID AS A PRIME BIDDER ON THIS PROJECT.

This project is subject to Oregon prevailing wage laws and the Federal Davis-Bacon Act (ORS 279C.800 to 279C.870).

Each proposal must be submitted on the prescribed forms and accompanied by a certified check or bid bond executed on the form bound within the Contract Documents or one substantially similar, payable to the Central Oregon Irrigation District, in an amount not less than ten percent (10%) of the amount bid. The successful bidder will be required to furnish a performance bond and payment bond, each in the full amount of the contract price.

Before a Contract will be awarded for the work contemplated herein, the Owner will closely review the Contractor’s Experience Questionnaire to ensure that a contractor with significant experience in the installation of large diameter pipe and High Density Polyethylene pipe is awarded this contract. Upon request, the Bidder shall submit such information as deemed necessary by the Owner to evaluate the Bidder’s qualifications.

The Owner reserves the right to waive any informality or to reject any or all proposals not conforming to the intent and purpose of the contract documents. Any Bidder may withdraw its Proposal prior to the time of bid opening and no Bidder may withdraw its Proposal after the time of bid opening.

Craig Horrell

District Manager

Central Oregon Irrigation District