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This contract includes 1 purchase order from Dec 18, 2023 to Dec 18, 2023
| Buyer | Vendor | Issued Date | Quantity |
|---|---|---|---|
| Pennsylvania Department of Transportation | Mackin Engineering Company | Dec 18, 2023 |
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This document is Supplement #10 to Agreement E04346, entered into on 12/08/2025, between the Commonwealth of Pennsylvania, Department of Transportation, and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. It provides for additional construction consultation services under Part 12 of the original agreement and extends the completion time for Part 12 to June 30, 2026. The supplemental adjustment cost is $7,482.68, increasing the total agreement cost to $3,050,025.55.
Effective Date
Jul 25, 2019
Expires
Effective: Jul 25, 2019
This document is Supplement #10 to Agreement E04346, entered into on 12/08/2025, between the Commonwealth of Pennsylvania, Department of Transportation, and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. It provides for additional construction consultation services under Part 12 of the original agreement and extends the completion time for Part 12 to June 30, 2026. The supplemental adjustment cost is $7,482.68, increasing the total agreement cost to $3,050,025.55.
ActiveThis document is Supplemental Agreement #6 for Agreement E02944, a General Design Open End contract between the Commonwealth of Pennsylvania Department of Transportation and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. Signed on 12/15/2025, its primary purpose is to extend the overall agreement and Work Order 3 until December 31, 2026. The maximum cost of the overall agreement remains unchanged at $1,000,000.00, with this specific supplement incurring no additional cost.
Effective Date
Jun 10, 2013
Expires
Effective: Jun 10, 2013
This document is Supplemental Agreement #6 for Agreement E02944, a General Design Open End contract between the Commonwealth of Pennsylvania Department of Transportation and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. Signed on 12/15/2025, its primary purpose is to extend the overall agreement and Work Order 3 until December 31, 2026. The maximum cost of the overall agreement remains unchanged at $1,000,000.00, with this specific supplement incurring no additional cost.
ActiveThis Project Specific Agreement (E05095) is between the Commonwealth of Pennsylvania Department of Transportation (PennDOT) and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. Signed on 2022-01-10, the contract is for NBIS Bridge Inspections Group 3 in Allegheny and Beaver County. The maximum cost for the agreement is $4,530,441.09, with services to be completed within 60 calendar months after a Notice to Proceed (NTP) date. Compensation is based on a Cost Per Unit of Work method.
Effective Date
Jan 10, 2022
Expires
Effective: Jan 10, 2022
This Project Specific Agreement (E05095) is between the Commonwealth of Pennsylvania Department of Transportation (PennDOT) and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. Signed on 2022-01-10, the contract is for NBIS Bridge Inspections Group 3 in Allegheny and Beaver County. The maximum cost for the agreement is $4,530,441.09, with services to be completed within 60 calendar months after a Notice to Proceed (NTP) date. Compensation is based on a Cost Per Unit of Work method.
ActiveThis document is Supplement #2 to Open End Engineering Agreement E034487, executed on May 22, 2023, between the Commonwealth of Pennsylvania Department of Transportation and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. The primary purpose of this supplement is to extend the overall agreement's expiration date from December 31, 2024, to May 31, 2026. The maximum cost of the agreement remains unchanged at $1,500,000.00. The supplement also incorporates various terms, conditions, and certifications by reference, ensuring compliance with established provisions.
Effective Date
Mar 3, 2017
Expires
Effective: Mar 3, 2017
This document is Supplement #2 to Open End Engineering Agreement E034487, executed on May 22, 2023, between the Commonwealth of Pennsylvania Department of Transportation and Mackin Engineering Company d/b/a Mackin Engineers & Consultants. The primary purpose of this supplement is to extend the overall agreement's expiration date from December 31, 2024, to May 31, 2026. The maximum cost of the agreement remains unchanged at $1,500,000.00. The supplement also incorporates various terms, conditions, and certifications by reference, ensuring compliance with established provisions.
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