PORTLAND (AP) – A Maine company has landed a contract to provide finishing work on a 900-foot oil tanker under construction in the Bahamas.

Pittsfield-based Cianbro Corp. said the job on the Polar Adventure, primarily applying epoxy paint to the vessel’s engine and pump rooms, will create at least two weeks of work for 100 Cianbro workers.

The ship, owned by oil giant ConocoPhillips, is expected to arrive in Portland on Sunday afternoon.

The contract represents another maritime contract for Cianbro.

The company is known mostly for bridges and industrial construction but has tried to expand into marine-related work and recently built two large oil rigs in Portland Harbor.

“It’s another clear message to the marine industry that we’re capable of taking on a project like this,” said Peter Vigue, president and chief executive officer of Cianbro.

Several other shipyards along the East Coast were considered for the job, but Cianbro’s quick response time to the work request and favorable word-of-mouth floated the company to the top of the list.

Cianbro’s recent work on two giant oil rigs got a write-up in Professional Mariner magazine, said Tom Cromwell, chief engineer for the California-based Polar Tankers, Inc., which operates ConocoPhillips’ U.S. fleet of six tankers.

A number of people connected to Polar Adventure are Maine natives or graduates of Maine Maritime Academy in Castine including the vessel’s captain, said Cromwell, who lives on Westport Island.

“We were like, What about Maine?”‘ Cromwell said of a managers’ meeting last week. “We started chuckling. Of course, we all wanted to come back to Maine.”

The ship departed the Bahamas earlier this week to avoid a run-in with Hurricane Frances.

Once the work in Portland is completed, the tanker will set out on its maiden voyage to Alaska to begin a 30-year career of transporting crude oil to the West Coast.