I-76 Grading & Bridge Reconstruction, MP 67.6 to 74.6
ALCM, LLC (ALCM) construction management staff is playing a vital role in completing the $91.3 million Roadway and Bridge Reconstruction of I-76 MP 67.6 to 74.6. This contract provides for the full depth reconstruction a widening to six lanes approximately 7 miles of I-76 in Westmoreland County.
Key Project Statistics:
- 800,000 CY of Class 1 Excavation
- 110,000 CYS of under cut excavation and backfill with Class B Rock
- 600,000 SYS of full depth Bituminous Pavement
- 64,000 LF of Drainage Pipe
- 22,000 LF of Drill Shaft Foundations
- 9,000 LF of 20 ft high Sound Wall
- 8,000 LF of 20 ft high (average) Soldier Pile Retaining Wall
- Reconstruction of 8 box culverts
- Replacement of a two span, 224 foot long, PS I beam bridge
- Demolition of two mainline bridges
- ClientPennsylvania Turnpike Commission
- LocationNew Stanton, PA
- Value$18,701,309
- WORK TASKS / SERVICES
Major recommendations by ALCM that expedited schedule and reduced costs:- Modify the construction sequence of 8 soldier pile retaining walls saving approximately $160,000 for the Commission.
- Performing certain preliminary and temporary roadway widening work using 24/7 weekend operations in lieu of evening week-day work saving over $200,000 in temporary barrier costs.
- Elimination of a jack and bore pipe and installing the pipe by trenching, saving $54,000.
- Proposing an alter design for monotube sign foundations saving $50,000.
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