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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" 3/20/2022
Connell 10250 SX 75 0 Suncor 64-22

Residential All Lifts

1.5" / 3" 3/20/2022
Connell 11050 SX 75 20 Suncor 64-28 (modified)

Arterial/Major Collector/Industrial/Commercial Top Lifts

1.5" / 3" 3/20/2022
Connell 12050 SX 75 20 Suncor 58-28

Residential/Minor Collector All Lifts

Arterial Lower Lifts

1.5" / 3" 3/20/2022
Connell 20150 S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

2" / 4" 3/20/2022
Connell 20250 S 75 0 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial
Lower Lifts

2" / 4" 3/20/2022
Connell 20350 S 75 20 Suncor 64-22

Residential/Minor Collector All Lifts

Arterial/Major Collector/Industrial/Commercial Lower Lifts

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

Arterial/Major Collector/Industrial/Commercial Top Lifts

2" / 4" 3/20/2022
Connell 22050 S 75 20 Suncor 58-28

Residential/Minor Collector All Lifts

Arterial Lower Lifts

2" / 4" 3/20/2022
                   
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. Expired
Aggregate Industries 6450100 4500 psi 28 Days Exterior Flat Work, Etc. 3/27/2022
Aggregate Industries 6550800 4500 psi 28 Days Fast Set 1/15/2023
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 Min. 50 psi 28 Days Flow Fill 4/6/2023
Johnstown Ready Mix 027 4000 psi 28 Days Exterior, C&G, Sidewalks, Etc. 4/6/2023
Johnstown Ready Mix 076 4500 psi 28 Days CDOT Class B & D 4/6/2023
           
Loveland Ready Mix 021 Min. 50 psi 28 Days Flow Fill 4/6/2023
Loveland Ready Mix 027 4000 psi 28 Days Exterior, C&G, Sidewalks, Etc. 4/6/2023
Loveland Ready Mix 076 4500 psi 28 Days CDOT Class B & D 4/6/2023
           
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