Los Alamitos Trunk Sewer Construction Project – July 13, 2022

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July 13, 2022

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Construction on the OC San Los Alamitos Trunk Sewer Project is ongoing. Construction activity continues on Oak St., Seal Beach Blvd. and Old Ranch Parkway in Seal Beach.

City of Seal Beach

Nightwork has begun on Old Ranch Pkwy. in the City of Seal Beach. This work consists of line cleaning to remove debris buildup from the pipe and in preparation for manhole rehabilitation. This activity is done at night when sewer flows are low. Once this work is completed, manhole rehabilitation efforts will commence.

  • When: July 13 – July 22
  • Work Hours: Weekdays, 10 p.m. – 6 a.m.

City of Los Alamitos

Manhole rehabilitation and replacement work is ongoing on Oak Street during the day. This requires lane closures and parking restrictions to allow enough space for construction.

Day work

  • When: Ongoing – August 2022
  • Where: Oak St. from Sausalito St. to Katella Ave. (see map below)
  • Work Hours: Monday – Friday, 7:30 a.m. – 7 p.m.   Occasional Saturday work may be required.
  • See notice for details.

Later this month manhole work will take place at the intersection of Katella Ave. and Oak St. This activity will be performed at night to minimize the traffic impact. To perform the work, we will need to install steel beams for the excavation shoring around the manholes. Traffic control will be required around the construction zone.

Night work

  • When: July 24 – July 30, 2022
  • Where: Intersection of Katella Ave. and Oak St.
  • Work Hours: Sunday- Friday, 8 p.m. – 6 a.m.

Map of construction work on Oak St

 What to Expect:

  • Periodic traffic delays as a result of lane reductions and turn restrictions
  • Increased noise level
  • Parking restrictions
  • Lane closures
  • Certain bus stops along the route may be affected, please watch for posted signs and visit www.OCTA.net for details

 *Dates and times are subject to change due to operational factors or inclement weather.

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Project fact sheet.

 Construction area map

 Project Description

OC San is rehabilitating two parallel sewers on north and southbound Seal Beach Blvd./ Los Alamitos Blvd., and along Katella Avenue, Oak Street, and Lexington Drive in the cities of Seal Beach and Los Alamitos. The work consists of removing calcium buildup at various pipe joints and injecting chemical grout to strengthen the pipe. Rehabilitation and/or replacement of over 70 manholes will also take place.