Ward Ave. Water System Improvements

This project replaced 2,500 lineal feet of 8-inch and 12-inch water mains along Ward Avenue between Kinau and King Streets and between King Street and Kapiolani Boulevard.  In addition to the water mains, other interconnections, fire hydrants, service laterals and meter boxes were replaced to…

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Lihue Water System Replacement

The scope of work included the design and construction documents for the replacement of 6,700 linear feet of 8-inch domestic water lines to service Eiwa, Umi, Akahi, Elua and Hardy Streets in downtown Lihue. Included in the scope of work was the permitting process, various…

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Mapunapuna Water System

Design for the replacement of 2,700 lineal feet of the existing 12-inch domestic waterline in the Mapunapuna Industrial Subdivision.  Design included plan and profiles, connection schematics, and traffic control plans.  Prior to the design, a feasibility study was undertaken to determine the most cost-effective alignment…

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BWS Kailua Fire Hydrant Installations

Bow Engineering recently received a contract through the Honolulu Board of Water Supply to layout 54 new fire hydrants in the Kailua area, bringing the existing system up to code.  Many of the hydrants are currently spaced further than 350 feet apart, which pose a…

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Honolulu Wastewater Improvements

Bow Engineering provided the prime contractor with construction management and inspection support to this capital improvement project to rehabilitate over 1,800 miles of wastewater pipelines throughout the City and County of Honolulu.  Rehabilitation methods consisted of point repairs, replacement lines and cured-in-place pipe. During the…

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Poamoho Camp Water System

This project site is on 79 acres of agriculturally-zoned land formerly leased to pineapple plantation workers by the employer, Fresh Del Monte Produce, Inc.  When the lease expired, the residents purchased the land with the help of an investor and a grant from a private…

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Bayview Street Relief Drain

Bow Engineering provided the city with relief drain alternatives to alleviate the frequent flooding along Bayview Street.  The flooding was determined to be a result of a segment of 850 lineal feet of inadequate 24-inch drain line. We proposed two alternative relief drain alignments.  The first alternative…

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Kahana Valley EA

In response to the Department of Health’s informal Notice of Violation for disposal of wastewater into existing non-registered cesspools, Bow Engineering provided an assessment of the existing infrastructure of the Kahana Valley Lease Lots 1-6. The assessment included the concept design of six new Individual…

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