EDIC/Lynn
Economic Development & Industrial Corporation of Lynn, Massachusetts
 
       

Moving the line: A study in relocating transmission lines on the Lynnway

August 15, 2007
By Bill Cooksey/The Lynn Journal

It would take two and a half years to complete, but, National Grid, in a study issued to the mayor's office, says the feasibility of relocating the power lines off the Lynn Harbor waterfront can come to fruition with time and money.

The three section, four page report, issued in July, sought to ease the minds of those in city hall as to problems that would be encountered with such a move. The city is looking to move the lines to move forward with a major waterfront development project.

The New England Power Company's transmission lines off the Lynn Harbor waterfront between the General Edwards Bridge and the Water and Sewer Treatment facility would be moved "to a point westerly on the Lynnway near the bridge and GE property," the report says.

The lines would then snake along, northerly, along land owned by GE to the gatehouse. From there they would turn easterly across the Lynnway and onto Harding Street, across to Garelick Farms and the Water Sewer plant.

All together, the lines would run about a mile.

The report shoots down an idea by the city to use doule-circuit transmission mission structures, which, National Grid contests would cause an increase in disrupted service to the city.

Instead the report makes it clear that the narrow width makes using a single pole, double circuit steel structure supported on concrete piers a more reasonable option.

The report says the current U.S. reliability standards are being revised, and if the city wants to proceed with a double circuit design, along with the reliability reduction, it needs to do so. "They (the city) need to move forward expeditiously to try to complete the project under the existing standards," the report warned.

When the project meets final approval the time line could take up to two and a half years, according to the study. The engineering aspect would cost 4 months, licensing 12 months, acquisition of materials about 8 moths and actual construction would take about 6 months.

That is, however if everything goes as planned.

The study gets into actual dollar amounts that it will cost the city to complete such a mammoth project. Excluding land rights, the estimated project could top $4.5 million. And that is based on current market prices. Earlier estimates had the project ringing the register at a significantly cheaper amount. However because of the increasing cost of materials the figure has gone up.

"These increases are believed due largely to escalating competition for relatively scarce resources as utilities in the Northeast and around the country increase investment in transmission networks," the study explained.

SECTION 3 OF THE LYNN HARBOR LINE RELOCATION STUDY

Project Narrative

1. The typical structure on this line will be a single steel pole double circuit structure carrying in height from 90 to 100 feet above the ground. Structures will be spaced 400 to 600 feet apart.

2. The 115kv line relocations will start under the existing lines just west of the Lynnway, at the northern end of the General Edwards Bridge, on land owned by the New England Power Company. At the location two 3 pole structures will be set. Each pole would be approximately 75 feet in height.

3. From this point, the line will proceed to a single steel pole structure approximately 95 feet tall; set on GE property, behind the car lot owned now or formerly by Donald Algeni. In addition to the land rights that will be required from GE, rights will also be required for use of the back lot of Algeni property.

4. The line proceeds along the GE access road, supported on typical steel pole structure, to a turning pole near the GE gatehouse.

5. The line now crosses the Pride Chevrolet car lot (which is leased through a GE subsidiary) and the DCR Lynnway to a poll set on the traffic island at Lynnway and Harding Street.

6. It continues easterly along the southerly side of Harding Street and through the Lynn Impound lot, adjacent to land occupied by Kentucky Fried Chicken and the Lynn Auto Auction.

7. From this turning pole at the end of the Impound Lot, which will be set off the lower part of the access road at the fence/property line.

8. The lines then rejoin existing lines on Massachusetts Electric Company land.

9. The total length of the relocation is approximately 1.05 miles.

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Economic Development & Industrial Corporation
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