Clinton St CSO Ph1 and 2A

Client: Onondaga County Dept of Water and Environment Protection
Location: Syracuse, NY
Year Started: 2007
Duration: Phase 1: 540 days, Phase 2A: 270 days

Schedule Comments:

Finished work 7 months ahead of schedule

Major Scope and Features:

Phase One:
This project consists of the construction by open trench and Trenchless pipe installation methods of approximately 3,600 linear feet of combined sewer overflow conveyance pipelines, ranging in size from 8-inch to 84-inch diameter, manhole structures, appurtenances, and surface restoration in downtown Syracuse, NY. M268 is part of a multi-million dollar effort to cleanup Onondaga Creek and is funded in part by an Appropriations Act Grant from the US Environmental Protection Agency. This project is made up of 94 pay items both lump sum and unit price totaling $15,025,360. Below is general work breakdown for this contract:

• 2000 LF of open cut CSO pipeline ranging in size from 84-inch to 8-inch in diameter

Personnel involved: PM- Seth Morris, Supt – George Hayes, PE- Keith Frisbey Safety (Accomplishments, Planning, Success): Project featured in Low Bidder magazine (article attached) Environmental (Highlights, Constraints, Requirements): These projects are result of a 1989 EPA consent order to clean up Onondaga Lake

• 1325 LF of 36’’ FRP CSO pipeline installed by micro-tunneling by Carp Seca Corp

• 18 each precast manholes ranging in size from 48-inch to 96-inch

• 7 each cast in place structures

• 115 LF of 88-inch pipe ramming underneath Onondaga Creek

• 105 LF of 36-inch jack and bore underneath West St

• Extensive dewatering and bypass pumping of existing sanitary lines

• Various excavation support systems: tight sheeting, soldier pile lagging walls, mobile trench shields

• Geotechnical Instrumentation such as: tunnel monitoring points, piezometers, ground monitoring points, inclinometers, geoprobes, and an existing conditions survey.

Phase 2A:
This project consists of the construction by open trench and trenchless pipe installation methods of approximately 330 linear feet of combined sewer overflow conveyance pipelines, ranging in size from 12-inch to 96-inch diameter, manhole structures, appurtenances, and surface restoration in downtown Syracuse, NY. 2000 LF of open cut CSO pipeline ranging in size from 84-inch to 8-inch in diameter

• 130 LF of 96’’ HDPE CSO pipeline installed by pipe jacking 35 ft below 3 sets of RR tracks

• 5 each precast manholes ranging in size from 48-inch to 60-inch

• 1 each cast in place structures

• 4 separate 20-inch directional drills 35 ft below 3 sets of RR tracks ( 3- for conduits, 1- CSO pipeline)

• Extensive dewatering and bypass pumping of existing sanitary lines

• Various excavation support systems: tight sheeting, soldier pile lagging walls, slide rail systems, mobile trench shields

• Geotechnical Instrumentation such as: tunnel monitoring points, piezometers, ground monitoring points, inclinometers, geoprobes, and an existing conditions survey.

Personnel involved:

PM- Seth Morris, Supt – George Hayes, PE- Keith Frisbey

Safety:

Project featured in Low Bidder magazine

Environmental:

These projects are result of a 1989 EPA consent order to clean up Onondaga Lake