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March 2026
Montezuma County Road and Bridge hereby issues a Request for Proposal for the Purchase and Application of GMRSS Oil for our 2026 Road Chipseal Project.
All bids are due Wednesday, March 18th, 2026, by 4:00 p.m. at
www.bidnetdirect.com.
Under contract to Montezuma County, and as designated by the Montezuma County Road Department, the Contractor will supply the specified GMRSS oil in the amount necessary to complete approximately 16.5 miles of chipseal, with 1 layer per mile, with an average road width of 23 feet.
The Contractor will use their Truck(s) and their Driver(s) to work in conjunction with the Montezuma County Road Department, to apply the oil to the road surface as per the direction of the Montezuma County Road Department.
The bid amount is to include the cost of the GMRSS oil, all freight costs and all spreading costs.
The Montezuma County Road Department will then use County Equipment, County Gravel, and County Employees to complete the chipseal process.
The time frame for this project would require approximately six (6) to eight (8) working days, at approximately ten (10) hours per day during the proposed time frame of Monday, September 14, through Thursday, September 17, and Monday, September 21, through Thursday, September 24, 2026, pending adverse weather.
Contract price shall remain firm and fixed throughout the Contract performance period.
The successful Contractor shall represent Montezuma County over other clients without creating a conflict of interest.
The oil will be of Gilsonite and Polymer Modified Rejuvenating Emulsion – GMRSS.
The asphalt material base residue shall contain not less than 10% Gilsonite, or Uintaite and shall not contain any tall oil pitch or coal tar material. The manufacturer shall certify the addition of Gilsonite by reporting on the Certificate of Analysis the SARA fraction values of the AC pre-addition and post-addition.
| TEST | TEST METHODS | MIN | MAX |
|---|---|---|---|
| Viscosity, Saybolt Furol @ 50°C, SFs | ASTM D7496 | 100 | 400 |
| Viscosity, Rotational Paddle 50°C mPa | ASTM D7226 | 200 | 800 |
| Sieve Test, % | ASTM D6933 | 0.10 | |
| Particle Charge Test | AASHTO T59 | Positive | |
| Demulsibility | ASTM D6936 | 40 | |
| Residue (% by mass) | ASTM D6994 / D6997 | 65 | |
| Oil Distillate, % | AASHTO T59 | 0.5 | |
| TESTS ON RESIDUE FROM DISTILLATION (a): | |||
| Penetration @25°C, 100 g, 5 sec, dmm | ASTM D5 | 90 | 150 |
| Ductility, 25°C 5 cm/min, CM | ASTM D113 | 30 | |
| Elastic Recovery 25°C, % (A) | ASTM D6084 | 70 | |
| Toughness @25°C -N-m(in/lbs) | ASTM D5801 | 12.5(110) | |
| Tenacity @25°C, -m(in/lbs) | ASTM D5801 | 8.5(75) | |
| Test on Rejuvenator: | |||
| Kinematic viscosity @ 60°C (140°F), mm²/s | AASHTO T201 | 50 | 175 |
| Flash Point, °C (°F) | AASHTO T48 | 193(380) | |
| Asphaltenes, % | ASTM D2006 | 1.0 | |
| Weight Change, % | AASHTO T240 | 6.5 | |
Reduce the temperature on the lower thermometer to 177 ± 5 °C (350 ± 10 °F) and maintain this temperature for 20 minutes.
The Contractor and its Subcontractors shall obtain and maintain insurance as specified at all times during the term of this Contract. All policies evidencing the insurance coverage required hereunder shall be issued by insurance companies satisfactory to Contractor and the County. All insurance certificates shall include a requirement for naming the County as additional insured.
(a) Worker’s Compensation insurance to cover obligations imposed by applicable law for any employee engaged in the performance of work under this Contract, and Employer’s Liability insurance with minimum limits of one hundred thousand dollars ($100,000) each accident, five hundred thousand dollars ($500,000) disease – policy limit, and one hundred thousand dollars ($100,000) disease – each employee. Evidence of qualified self-insured status may be substituted.
(b) Commercial General Liability insurance with minimum combined single limits of at least one million ($1,000,000) each occurrence and two million dollars ($2,000,000) general aggregate. The policy shall be applicable to all premises and operations and include coverage for bodily injury, broad form property damage (including completed operations), personal injury (including contractual and employee acts), blanket contractual, products, and completed operations. The policy shall contain a severability of interests provision and be endorsed to include the County, its officers, employees, and consultants as additional insureds. No endorsement shall exclude completed operations.
(c) Business Automobile Liability insurance with minimum combined single limits of at least one million ($1,000,000) each occurrence. The policy shall be endorsed to include the County and the County’s officers, employees, and consultants.
(d) Any insurance carried by the County, its officers, employees, or consultants shall be excess and not contributory to that provided by Contractor.
(e) Contractor shall provide a certificate of insurance showing required coverages are in effect. The certificate shall identify this Contract and provide that coverage shall not be cancelled, terminated, or materially changed without thirty (30) days prior written notice to the County. The County may request certified copies of any policy or endorsement.
The Contractor shall furnish to the County a Performance Bond in the amount of fifty percent (50%) of the contract price. Bond shall be submitted within ten (10) calendar days after notification of Award of Contract.
The Contractor shall submit their invoice(s) requesting payment after the completion of the job. The County has the right to ask for clarification on any invoice after receipt.
The Agreement shall be binding upon all parties and their respective heirs, executors, administrators, successors, and assigns.
The terms of this Agreement shall be construed and interpreted in accordance with Colorado law. Any claims, legal proceedings, or litigation arising in connection with the Agreement will be brought solely in Montezuma County, Colorado, and both parties consent to the jurisdiction of such courts.
The prevailing party in any action to interpret or enforce this Contract or the Contract Documents shall collect all reasonable costs and expenses incurred, including reasonable attorney’s fees.
Awarding of the proposal will be made in accordance with the applicable requirements set forth in the Montezuma County Procurement Guide.
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