The existing Lift Station No. 11, which is located on 8th Street between Custer Avenue and Howard Avenue at 2511 W 8th Street, is in need of upgrade. The hospital contributes debris and rags that clog the current pumps, the wet well does not have sufficient capacity, and there is no space for a stand-by generator. A new submersible, duplex style lift station, with a grinder pump on the influent, and a stand-by generator is under construction at a larger, nearby location.
A new 6-inch force main is being re-routed from the South Interceptor to the North Interceptor. Lift Station No. 11 contributes an average of 100-150 thousand gallons per day to the South Interceptor. The Lift Station No. 11 upgrade & re-route will alleviate some capacity issues in the South Interceptor by re-routing Lift Station No. 11 force main to the North Interceptor.
This project has been approved for State Revolving Funds (SRF).
On September 26, 2017, via Resolution No. 2017-263, City Council approved an engineering services agreement with Olsson, Inc. of Lincoln, Nebraska for a time and expense basis not to exceed $128,342.00.
On February 27, 2018, via Resolution No. 2018-57, City Council approved Amendment No. 1 with Olsson, Inc. to allow for construction administration services, construction observation services, and project closeout in the amount of $131,705.00, resulting in a revised agreement amount of $260,047.00.
Midlands Contracting, Inc. of Kearney, Nebraska was awarded a $1,647,665.35 contract on March 27, 2018, via Resolution No. 2018-85, for Lift Station No. 11 Relocation – 2018; Project No. 2018-S-1.
On June 12, 2018, via Resolution No. 2018-160, City Council approved Change Order No. 1, which added pay items for directional drilling at the intersection of Custer Avenue & 13th Street and at the detention cell north of this area, as well as adjusted quantities for such work. This alternative was proposed by the contractor to save time and lessen the impact of street closures in the area. Change Order No. 1 resulted in a contract reduction of $15,657.70, modifying the total contract agreement to $1,632,007.65.
On July 10, 2018, via Resolution No. 2018-203, City Council approved Change Order No. 2, which established a new unit price for bedding the force main in native sand, resulting in a unit price reduction of $1.97 over the originally bid granular bedding. Change Order No. 2 had no impact on the total contract agreement of $1,632,007.65; quantities will be rectified once known.
On September 11, 2018, via Resolution No. 2018-269, City Council approved Change Order No. 3, which allowed for the addition of an ADA ramp, abandonment of water service at Walnut Middle School, reconstruction of storm sewer inlet, pavement stripe on Custer Avenue, and traffic control credit on Custer Avenue. Change Order No. 3 increased the original contract amount by $8,780.80, resulting in a total contract agreement of $1,640,788.45.
On June 11, 2019, via Resolution No. 2019-189, City Council approved Change Order No. 4 to the extending the completion date from August 12, 2019 to December 1, 2019. The original contact stated “The contractor is to also have all work completed within 14 months of commencement of construction.” Work began on Lift Station No. 11 Relocation- 2018; Project No. 2018-S-1 on June 12, 2018, which would put the completion date at August 12, 2019. Due to the unworkable winter and spring weather conditions it is requested to give the contractor a four (4) month credit on the completion date, which would put such date at December 1, 2019. There will be no impact on the total contract amount, thus leaving the total contract amount at $1,640,788.45.
Photos taken 2018-12-31
Midlands Construction is placing valves and fittings for the new lift station No. 11.
Photos taken December 7, 2018
Placing a watertight gasket at a new manhole for the project.
Construction at Lift Station 11 is underway
The pictures below show the construction of the base for the new lift station wet well. The concrete slab was covered with an insulated blanket for heat retention during the cure.