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Roadworks Project Information

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DPW Roadwork Projects

DPW Roadworks Project Updates are updated every two weeks. 

DPW Roadworks Project Updates as of May 11, 2020

Kalaniana‘ole Ave. 
Project history and scope of work: A joint State Dept. of Transportation (DOT) and County of Hawai‘i project, improvements are being made to enhance roadway capacity/operations and safety for motorists, bicyclists, and pedestrians. 
In order to achieve this, the Scope of Work encompasses widening Kalaniana‘ole Avenue and relocating utilities from Kanoelehua Avenue to Kuhio Street (Hilo Harbor entrance) to allow for a concrete sidewalk on the makai side, a paved shoulder on the mauka side, bicycle lanes in each direction, one through lane in each direction, and a shared turn lane. 
Fire protection for the area will be improved through installation of a new 12-inch diameter waterline from Kanoelehua Avenue to Kauhane Avenue.  
Kalanianaole Avenue will be re-paved from Kanoelehua Avenue to Silva Street.

Timeline/Contractor: The roadway improvements began March 2018 and are expected to be completed in Q4 2020, weather and conditions permitting. The general contractor is Goodfellow Bros. LLC.

Project costs: Original project costs: $17.1 million, including County’s share of $12 million. 

Current project costs: $18.4 million, to include the 12” waterline, with County’s share remaining the same. 

Work update: Project work that has been performed to date includes:
● Widened the mauka side of Kalaniana‘ole Avenue except for areas pending underground utility relocation.
● Completed 90% of the concrete sidewalk on the makai side of Kalaniana‘ole Avenue. 
● Completed 53% of the project’s drainage improvements. 
● Completed waterline connection to an existing 12-inch diameter pipeline and continued exploratory excavation. 

Two week look ahead:  Twelve-inch diameter waterline installation; continue sidewalk and driveway construction near the Hilo Harbor entrance; complete drainage structures on the makai side of Kalaniana’ole Avenue. 

 

A one-way traffic pattern between Silva Street and Kanoelehua Avenue for installation of the new 12-inch diameter waterline, which started Monday, April 13, 2020, remains in effect. The one-way traffic pattern will be in effect 24 hours a day, 7 days a week for the next six months. 


Ali‘i Drive Culvert Replacement 
Project history and scope of work: Originally built in 1937, Ali‘i Drive culvert is being demolished due to being structurally deficient. A collaborative project with Federal Highways Administration (FHWA) and State DOT, the new, properly-sized structure will provide a wider stream flow opening, a longer span and wider lane bridge with wider shoulders for pedestrians and bicyclists while reducing area flood hazards. The Scope of Work includes clearing and grading drainage channel to improve water flow rates; replacing the sewer line; replacing a 6-inch water line on the bridge’s makai side with a 12-inch line; demolishing the existing culvert, and installing a temporary bridge while a new bridge and concrete rubble masonry walls are built in phases. The new bridge will feature two 16-foot wide travel lanes, two 7-foot wide sidewalks, and new guardrails.  

Timeline/Contractor: The culvert replacement project began in May 2019 and is expected to be completed in Q2 2021, weather and conditions permitting. The General contractor is Isemoto Contracting Co. Ltd. 

Project costs: Original project costs: $8.97 million, including County’s share of $1.77 million.FHWA funding $7.2 million (80% of project costs.) 

Work update: Project work that has been performed so far includes:
● Erosion Controls installed. 
● Clearing & grubbing. 
● Dust fence installed. 
● Demolition and removal of certain items. 
● Work on the sewer line, starting with sewer manholes that are off the road.
● Work on channel excavation and GRP lining.
Ali'i Drive culvert replacement project
Two week look ahead: Sewer line installation is 85% complete and channel work is 70% complete. Working on temporary detour road/bridge. Temporary bridge is on-site and work has started on assembling the bridge. Hauling in fill material for the temporary by-pass road, grading and compacting road.


Māmalahoa Highway Widening Project
Project history and scope of work: Māmalahoa Highway Widening Project Scope of Work includes road widening and roadway reconstruction at various intersections, between Mud Lane and Mana Road. Widening will allow turning lanes to be installed. Shoulder widening between Mud Lane and Kipahele Street has been completed. 
Timeline/Contractor: The Māmalahoa Highway Widening Project, began in May 2018 and is expected to be completed in Q3 2020, weather and conditions permitting. The General contractor is Goodfellow Bros. LLC.

Project costs: Original project costs remain the same: $19.6 million, including County’s share of $3.7 million, with the rest funded by FHWA.           

Work update: Completed and current work includes roadway reconstruction. 
● Roadway reconstruction between Hohola Drive and Mana Road: 
1.  Roadway reconstruction at locations ongoing. 
3.  Drain culvert work ongoing.
4.  Temporary road work to shift traffic over in order to reconstruct roadway - ongoing.
Heavy equipment working on Mamalahoa Highway Widening Project April 2020
Two week look ahead: 
Roadway reconstruction between Pū’u Nani Drive and Mana Road:
1. Temporary road work to shift traffic over in order to reconstruct roadway - ongoing.