Nova Scotia NEPPP Update

Report 1 Downloads 133 Views
Nova Scotia NEPPP Update

Adam Marlin, P.Eng. Highway Construction Services

MAY 8-10, 2018

Overview • • • • •

Nova Scotia Overview Pavement Preservation Treatments 2017/18 Preservation Summary 2018/19 Planned Preservation Work Successes and Challenges

MAY 8-10, 2018

Nova Scotia’s Highway Networks • Nova Scotia’s Department of Transportation and Infrastructure Renewal is Responsible for 90% of the Public Roadways in NS. • • • •

4100 Bridges 23000 km of roads ~14000 km paved (~8700 miles) ~9000 km unpaved (~5600 miles)

MAY 8-10, 2018

Cabot Trail 1930s

Nova Scotia’s Highway Networks

100 Series - ~1300 km CL (800 miles CL)

MAY 8-10, 2018

Nova Scotia’s Highway Networks

Trunks - ~2500 km CL (1500 miles CL)

MAY 8-10, 2018

Nova Scotia’s Highway Networks

Routes - ~3100 km CL (1900 miles CL)

MAY 8-10, 2018

Preservation Treatments • Micro-Surfacing - Two Year Warranty Spec. • 1/4” Stone & CSS-1H Emulsified Asphalt

• Seal Coats - One Year Warranty Spec.

• Seal Coat Type A - Single Chip, CRS-2P Asphalt, and Fog Seal • Seal Coat Type B - Double Chip (3/4 & 1/2”) HF-150s, HP-200, or CRS Asphalt, and Fog Seal

• Crack Sealing - One Year Warranty Spec.

MAY 8-10, 2018

Partial & Full Depth Reclamation • Department responsible for all mix designs (QA Consultant) • PDR (CIR) - Expanded Asphalt (Foam) - 100 mm depth (Typical) - 1% Portland Cement • FDR

- Expanded Asphalt (Foam) - 150 mm to 250 mm depth - 1% Portland Cement

MAY 8-10, 2018

2017 Preservation Treatments Type:

Tendered Projects:

CL Length km (mi):

Micro-Surfacing

4

47 (29)

Seal Coat Type A

5

54 (34)

Seal Coat Type B

3

32 (35)

CIR/PDR:

4

21 (13)

FDR:

3

16 (10)

MAY 8-10, 2018

Five Year Plan 2018-19 Funding How Capital Funding is Invested • • • • • • •

Major Construction (new highway and bridges): $115 million Asphalt and Resurfacing: $101.5 million Gravel Road Program: $20 million Bridge Replacement/Rehabilitation: $29.1 million Land Purchases: $7 million Equipment, Machinery, Ferries: $7.4 million Highway Design, Surveys: $5 million

• Total Funding: $285 million

MAY 8-10, 2018

2018 Preservation Treatments Type:

Scheduled Projects:

CL Length km (mi):

Micro-Surfacing

5

58 (36)

Seal Coat Type A

TBD

34 (21)

Seal Coat Type B

TBD

20 (12)

CIR/PDR:

5

30 (19)

FDR:

1

6 (4)

SLO:

2

8 (5)

MAY 8-10, 2018

Nova Scotia NEPPP Update SUCCESSES

MAY 8-10, 2018

&

CHALLENGES

Trans Canada Highway 104, Antigonish County: Section twinned in 2011. New construction. Micro-Surfacing applied in 2017. 18 km (12 mi.) travel lanes, ramps and 6 roundabouts

MAY 8-10, 2018

Trans Canada Highway, Antigonish County: Micro-Surfacing applied in 2017. Pink granite aggregate used in paving

MAY 8-10, 2018

Trans Canada Highway, Antigonish County: Micro-Surfacing applied in 2017. 60 m (200 ft) section Micro worn to reveal surface course. To be reviewed under warranty. Photos May 1, 2018

MAY 8-10, 2018

Trans Canada Highway, Antigonish County: Micro-Surfacing applied in 2017. MAY 8-10, 2018 Wearing of Micro in roundabout. Photos May 1, 2018

Warranty Review. 2016 Single Seal Coat applied over Double Seal Coat: Flushing and Bleeding. Photo 2017 MAYOctober 8-10, 2018

Warranty Review. 2016 Single Seal Coat applied over Double Seal Coat: Flushing and Bleeding MAYOctober 8-10, 2018 Photo 2017

After processing

Pulverized lane

2017 FDR (150 mm): Section recycled in 2003 to 150 mm with single lift overlay. MAY 8-10, 2018

FDR (250 mm): Centreline offset majority of section. Small milling machine used to repair prior to paving MAY 8-10, 2018

Questions? Adam Marlin NSTIR Pavement Management Engineer 902-478-0196 [email protected]

MAY 8-10, 2018