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Engineering

Approved Asphalt Mix Designs#

Supplier Mix ID Grading RAP % AC Supplier PG Binder Street Classification Min/Max Lift Thickness Expiration Date
Connell 10150 SX 75 20 Suncor 64-22

Residential All Lifts

1.5" / 3" 3/20/2021
Connell 10250 SX 75 0 Suncor 64-22

Residential All Lifts

1.5" / 3" 3/20/2021
Connell 11050 SX 75 20 Suncor 64-28 (modified)

Arterial/Major Collector/Industrial/Commercial Top Lifts

1.5" / 3" 3/20/2021
Connell 12050 SX 75 20 Suncor 58-28

Residential/Minor Collector All Lifts

Arterial Lower Lifts

1.5" / 3" 3/20/2021
Connell 20150 S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

2" / 4" 3/20/2021
Connell 20250 S 75 0 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial
Lower Lifts

2" / 4" 3/20/2021
Connell 20350 S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

2" / 4" 3/20/2021
Connell 21050 S 75 20 Suncor 64-28 (modified)

Arterial/Major Collector/Industrial/Commercial Top Lifts

2" / 4" 3/20/2021
Connell 22050 S 75 20 Suncor 58-28

Residential/Minor Collector All Lifts

Arterial Lower Lifts

2" / 4" 3/20/2021
                   
Kehn 635219 S 75 0 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

2" / 4" 4/29/2020
Kehn 638119 S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

2" / 4" 4/29/2020
Kehn 638219 SX 75 20 Suncor 64-22 Residential All Lifts 1.5" / 3" 4/29/2020
Kehn 638319 SX 75 0 Suncor 64-22 Residential All Lifts 1.5" / 3" 4/29/2020
                   
Martin Marietta

1243-5462

Fort Collins

Greeley

SX 75 20 Suncor 64-22 Residential All Lifts 1.5" / 3" 3/27/2021
Martin Marietta 1253-5473 SX 75 20 Suncor 64-28 (modified) Arterial/Major Collector/Industrial/Commercial Top Lifts 1.5" / 3" 3/27/2021
Martin Marietta

2243-5493

Fort Collins

Greeley

S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial Lower Lifts

2.0" / 4.0" 3/27/2021
Martin Marietta

2253-5494

Fort Collins

Greeley

S 75 20 Suncor 64-28 (modified) Arterial/Major Collector/Industrial/Commercial
Top Lifts
2.0" / 4.0" 3/27/2021

 

Approved Concrete Mix Designs#

Material Supplier Mix ID Strength Age Intended Use Expiration Date
Aggregate Industries 6406150 4000 psi 28 Days Exterior Flat Work, Etc. 10/22/2020
Aggregate Industries 6450100 4500 psi 28 Days Exterior Flat Work, Etc. Expired
Aggregate Industries 7456120 4500 psi 28 Days As Required CDOT Class B/D/P 11/11/2022
Aggregate Industries 7456122 4500 psi 28 Days Machine Placement Expired
Aggregate Industries 9456627 4200 psi 28 Days CDOT Class E / 24 Hr High Early Expired
           
Bestway Concrete 4531495 4500 psi 28 Days CDOT Class B/D/P Expired
Bestway Concrete 4531275 4500 psi 28 Days CDOT Class B/D/P Low Slump Expired
           
Johnstown Ready Mix 021 4000 psi 28 Days Flow Fill Expired
Johnstown Ready Mix 027 4000 psi 28 Days Exterior, C&G, Sidewalks, Etc. Expired
Johnstown Ready Mix 076 4500 psi 28 Days CDOT Class B & D Expired
          Expired
Loveland Ready Mix 021 4000 psi 28 Days Flow Fill Expired
Loveland Ready Mix 027 4000 psi 28 Days Exterior, C&G, Sidewalks, Etc. Expired
Loveland Ready Mix 076 4500 psi 28 Days CDOT Class B & D Expired
           
MMM FF0150 150 psi 28 Days Flow Fill In Review
MMM FF0934 100 psi 28 Days Flow Fill 4/13/2022
MMM A4780 4000 psi 28 Days General Exterior 4/13/2022
MMM A4785 4500 psi 28 Days General Exterior - CDOT Class D 4/13/2022
MMM CD4575 4500 psi 28 Days CDOT Class B/D/P Hand Mix 4/13/2022
MMM CD4715 4500 psi 28 Days CDOT Class B/D/P Low Slump 4/13/2022
MMM HE4348 3000 psi 48 Hours 48 Hr High Early 4/13/2022