GILBOA-PRATTSVILLE ROAD RECONSTRUCTION AND CULVERT REPLACEMENTS |
| Owner: |
New York City Department of Environmental Protection |
| Site: |
County Routes 39, 53 & 7, in Schoharie, Delaware & Greene Counties, New |
| Value: |
$6,000,000 |
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Project Objectives:
4.7-miles of two-lane (one in each direction) road reconstruction consisting of paving, full depth replacement areas, underdrain, improvements cross-culverts, guiderail and striping.
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Scope of Work:
- Re-profiled entire road which included over 100 cross-slope transitions
- All work except for paving operations performed under single lane closures
- Strict maintenance and protection of traffic provisions required that both lanes be open during non-working hours, and only one lane could be occupied for construction at a time.
- Full depth roadwork and shoulder reconstruction included over 30,000 tons of subbase and 26,000 tons of asphalt
- Installation of over 20,000 linear feet of underdrain
- Re-established over 20,000 linear feet of swales/ditch line
- Rip rap slope stabilization
- Reconstruct / clean pipes and associated inlet / outlet basins
- Extend pipe outfalls by retrofitting concrete collars
- Rebuild / repair and reset existing stone headwalls
- Reconstruct concrete headwalls
- Rehabilitation and replacement of 53 culverts crossing under the existing roadway.
- Existing concrete box culverts are in need of new inlet basin and raised headwalls, as well as outlet pipe extensions with plunge pools.
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