2. I. Existing Conditions
II. Who Is Impacted
III. The Challenge – Satisfy Everyone!
IV. Construction
V. Summary
VI. Questions

4. – Built in 1934, Posted for 17 tons
– Jack arch structure with concrete and steel
deterioration
– Insufficient bridge width for use
• Vehicles, pedestrians, snowmobiles
• Existing rail-to-rail – 26’; Proposed Width – 34’

5. – Abutment footing undermining
– Asbestos paint on girders and railings
– Poor drainage
– No record plans for bridge

6. – Subsurface Conditions – Sand
– Locate septic systems
– New Deck at Restaurant - installed prior to
construction

9. Project Influences
Community
• Businesses Agencies
• Residences • Funding
• Schedule Project • Permitting
• Utilities
• Pedestrians
• Recreational
vehicles

10. • Funding
– FHWA, NYSDOT and County
• Utility Companies
– National Grid, Frontier, Time Warner Cable, Turkey
Water Works (Local Water) – all relocated
• Permitting
– NYSDOT, APA, NYSDEC and USACE

11. • Adjacent Private Residences
– Driveways, septic systems
• Adjacent Business owners
– Need to stay open during tourist season
• Waterway Under Bridge
• Pedestrians, Snowmobile Trail

12. CHURCH
MARINA
HOTEL
SOUTH SHORE ROAD
PRIVATE
SEPTIC
WELL

13. Schedule
– Tourist season - July and August
• Town - no construction
– No Detour Route
• Staged Construction
– Shortened construction
• Mid April to Mid September

14. Schedule
– Minimize Concrete Pours
• Cure time impact
– Snowmobile Trail
• Open December 1 to March 31

15. • Goal
– Bridge open by July 4th
• (Schedule April 1 to July 1)
– 13 weeks???

16. • Alternatives Considered
– Superstructure Replacement
• Existing abutment widened
• 75 year old concrete
• No record plans
• Cost 95% of replacement
– Replacement Structure Built Under Existing
• Town – no reduction to clearance of navigable
waterway

17. • Alternatives Considered
– Replacement w/ C.I.P. Concrete Abutments with
Spread Footings
• Footings below stream bed for scour prevention
• Cofferdams needed
– Replacement w/ Integral Abutments
• Steel H-Piles
• Prestressed concrete beams
• Asphalt Wearing Surface

18. • Replacement with Integral Abutments
– Precast saves time
– Limited demolition/excavation
• How can we build within constraints of schedule?

19. • Contractor and Town Now what?
– Insufficient space for crane staging
– Traffic Control
• Too close to Route 28
– Too much time needed for staged construction

20. • Eureka!!!
– Town Highway Superindendent
• Existing snowmobile trail for detour route
• Town owns majority of R.O.W.
Time to pull out
the ACE up my
sleeve!

21. Piece
of
Cake!

22. • Build Detour in Fall before December 1
• Relocate overhead utilities prior to April 1
• Open Detour - April 1
• Close Bridge - April 1
• Open New Bridge - July 1
• Project Completion - July 31

23. Design Speed - 20 MPH

24. 2 – 10 ft travel lanes

25. Detour Profile
• Horizontal & Vertical close to existing
• Helps keep vehicle speed down!

42. • Project completed on June 30
• Project also included:
– Separate C.I.P. u-wings with spread footings
– 60 ft long, 8 ft high tapered C.I.P retaining wall
with spread footing
– Closed drainage
– Thermoplastic Snowmobile Crossing

43. • Permits
– APA – wetlands along detour
– NYSDEC – stream restrictions for salmon spawning
– USACE – waterway
– NYSDOT Highway Work Permit – new drainage
structure on Route 28 and construction signs

44. • Financials
– Engineers Estimate: $1.4 M
– Low Bid: $1.2 M
– Final Construction Cost: $1.1 M

45. Thorough Planning
– Construction Schedule discussed with contractor
before design
– Utility Agreements – relocated prior to April 1
– Bid late summer allowing contractor time to plan
for spring construction
– Liquidated damages provisions
• Detour completion December 1
• Bridge open July 1

46. Team Effort
– County – overall project management
– NYSDOT – R.O.W. acquisition
– Town – agreement with Marina and local public
relations
Public Involvement
– Design - 2 public meetings
– Construction – Town Hall meetings

47. • You can never have too much communication
with your team
• Don’t be afraid to talk to local people
• Think outside the box
• Construction schedule is VERY important!

49. 1. What is the name of the unique environmental
agency involved with this project?
– APA
2. Who contributed to the “solution” for the
project detour?
– Town Highway Superintendent & Dick Payne
3. What was the design speed used for the detour
road?
– 20 MPH

50. 4. Besides vehicles and pedestrians, what else
used the bridge for a crossing?
– Snowmobiles
5. How many weeks did the bridge construction
take?
– 13 weeks
6. What material was the temporary pedestrian
bridge made out of?
– Aluminum

51. 7. What was the existing span of the bridge?
– 49 feet
8. How long were the new steel h-piles?
– 100 feet
9. What type of abutment was used for the new
bridge?
– Integral

52. 10. How many liquidated damage provisions
were used?
– 2 (1 – detour completion , 1 – bridge opening)