Professional Construction Management and Inspection Services for Pacific Ave Sewer Lift Station Conversion to Gravity Line
| Location: | California |
|---|---|
| Posted: | Dec 4, 2024 |
| Due: | Jan 8, 2025 |
| Agency: | City of Manhattan Beach |
| Type of Government: | State & Local |
| Category: |
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| Solicitation No: | E1296-24S |
| Publication URL: | To access bid details, please log in. |
Project ID: E1296-24S
Title: Professional Construction Management and Inspection Services for Pacific Ave Sewer Lift Station Conversion to Gravity Line
Addenda: 1
Release Date: 11/20/2024
Due Date: 1/8/2025
The City of Manhattan Beach (“City”) invites sealed proposals on the project described herein to be submitted via the City’s e-Procurement Portal, Procurenow. Proposals will be received until 11:00 am on Wednesday, January 8, 2025 .
Project Area
2803 Pacific Avenue, Manhattan Beach, CA. See Appendix E for Location Map.
Bid Valid: 120 Days
Project Duration: 340 days (70 preconstruction + 270 construction days)
Anticipated Schedule:
|
ACTION |
DATE |
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Availability of Request for Proposal |
11/20/2024 |
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NON-mandatory Pre-Proposal Meeting |
12/2/2024 at 10:00 AM |
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Last Day to Submit Questions |
12/16/2024 at 11:00 AM |
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Proposal Submission Deadline (OpenGov ONLY) |
1/8/2025 at 11:00 AM |
|
Staff Review of Proposals |
1/9/2025 to 1/30/2025 |
|
Interview(s) with Top Ranked Consultant(s) and City Negotiations – ( If Needed ) |
TBD |
|
City Council Award |
March 4, 2025 |
|
Contract Execution |
March 2025 |
|
Notice To Proceed |
March 2025 |
Single Point of Contact for Questions
The contact person for all questions regarding this RFP is Marzena Laskowska. All questions must be submitted through OpenGov on the website provided in Section 1, Instructions to Proposers. Proposers may not contact any other staff members with questions.
OPTIONAL Pre-Proposal Meeting is scheduled for Monday, December 2, 2024, at 10:00 a.m. at the Pacific Sewer Lift Station site located at 2803 Pacific Avenue, Manhattan Beach, CA 90266.
Proposers must notify the City of any ambiguity, inconsistency or error they may find. All questions about the RFP must be submitted through OpenGov by the deadline. Any changes or corrections to the original RFP or any other information that will affect the completion of the award will be incorporated into an addendum that will be disseminated and posted on OpenGov on the website provided in Section 1, Instructions to Proposers. Proposers are responsible for ensuring that they have received any and all addenda to the RFP. It is the Proposer’s responsibility to actively check the City’s website for addenda to the RFP, and each Proposer is responsible for verifying that it has received all issued addenda to the RFP.
Project Information Introduction
The City of Manhattan Beach is located within the southwestern coastal portion of Los Angeles County in what is commonly referred to locally as the “South Bay” area. The City is bounded on the north by El Segundo, on the east by Hawthorne, on the east and south by Redondo Beach, on the south by Hermosa Beach, and on the west by the Pacific Ocean. The City is a beach community with approximately 2.1 miles of beachfront. The City has a total land area of 1,788 acres (3.88 square miles). The City is bound by Rosecrans Avenue on the north, Aviation Boulevard on the east, Artesia Boulevard on the south and the Pacific Ocean on the west. Sepulveda Boulevard (State Highway 1) runs north-south through the middle of the City.
The City seeks an experienced consultant to assist the City with the inspection and special inspections and/or construction management for upcoming wastewater capital improvement project(s): Pacific Sewer Lift Station Conversion to Gravity Line Project (Project No. S-265). The City is the administering agency for the construction of this project. Responses to this RFP shall contain inspection and/or construction management fees, as further described below, for Project No. S-265 only.
Consultant to work closely with Public Works staff to ensure that the Project(s) are executed in a timely manner. Specifically, the City is soliciting proposals for inspection services for trenchless technology sewer gravity pipeline installation, shoring (deepest is approximately 70-feet), new deep manholes, lift station demolition, force main abandonment, and source material inspections. In addition, inspection of more typical right-of-way construction including, but not limited to, sidewalk, utility relocation/connection, driveways, curb and gutter, irrigation, and signs. The projects are all in highly visible areas and heavily trafficked local major roadways with one portion of traffic control at a 5-way stop sign intersection. Responses to this RFP shall contain inspection and construction management fees itemized per Project with a Grand Total not-to-exceed Fee.
The Request For Proposal’s each project area, background, and description are described below.
Pacific Sewer Lift Station Conversion to Gravity Line (Project No. S-265)
Services Requested
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Task 1 General Administration & Meetings
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Task 2 Construction Observation/Inspection Services
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Including Task 2.1 Structural Observation
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Task 3 Certified Laboratory for Soils/Materials Testing Services
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Task 4 Construction Management
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Task 5 Extra Inspection Services 10% of Task 1, 2, & 3
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Task 6 Extra Construction Management Services 10% of Task 4
The City currently operates and maintains an extensive sanitary sewer system. The City’s existing wastewater collection system is comprised of a network of gravity sewer pipelines, lift (pump) stations, and force mains. The gravity system consists of approximately 81.6 miles (430,784 linear feet) of pipe and 2,086 manholes and cleanouts. The wastewater system also includes eight pump stations and 5,114 linear feet of associated force mains to lift and convey wastewater from the lower elevation areas to the gravity system. The City’s local sewer system connects to the Los Angeles County Sanitation District (LACSD) system, which provides regional wastewater conveyance and treatment services to the City and neighboring agencies.
In 2010, the City adopted a Wastewater Master Plan that analyzed various facilities and operations of the City’s existing wastewater collection system. The Wastewater Master Plan identified Voorhees Ave station as requiring rehabilitation.
Pacific Ave Sewer Lift Station is a combined wet well and dry vault rectangular reinforced concrete box type underground facility located in the westerly sidewalk area at 2803 Pacific Avenue between 27th and 31st Streets. The entrance to the underground station is located next to the driveway of the adjacent residential property. The pump station was originally constructed in 1953 and retrofitted in 1997. The Pacific Avenue station serves a 103-acre tributary area with low-density residential and general commercial land uses (884 parcels). The sewer flows generated in the north half of the tributary area are first transported by the Palm Avenue Sewer Lift Station before flowing by gravity to the Pacific Avenue station.
Project Description
The project involves the conversion of the existing sewer lift station to a sewer gravity line connected to the Los Angeles County Sanitation District (LACSD) sewer gravity line. Project consists of installing approximately 805 feet of 12-inch diameter VCP No-Dig pipe primarily through trenchless technology, divided into multiple phases with various manhole sizes and depths. The connection to the existing LACSD sewer gravity line will occur via a 70-foot-deep manhole structure on Ardmore Avenue adjacent to the Veteran’s Parkway (see plans manhole#1) and will require extensive traffic control measures with site security. Upon completion of the new gravity pipeline, the existing sewer lift station is to be removed/abandoned, along with surface street and sidewalk restoration. During construction, the existing sewer lift station needs to be operational for the most extended amount of time possible to avoid a costly temporary bypass.
Project Special Condition
The project will require heavy coordination with the City and traffic control measures. See annual events below for future details.
The project is directly adjacent to residential housing. It will block driveways during the day as such coordination with residents for exiting in the morning and entering after construction hours will need to occur. Additionally, one driveway will be blocked for the duration of Pit#2 being opened.
The existing lift station is to be online for majority of construction duration. The bypass towards the end of construction may enter the newly installed sewer piping only after that piping passes inspection/testing.
During construction, the City and/or community user groups will host annually scheduled special events in and around the project site. The event will either be at the project site or the project site would be utilized as part of traffic control detours for the event.
The Contractor shall cooperate and accommodate the special events by neatly and securely condensing the staging/laydown area prior to the event date or temporarily vacating the staging/laydown areas, as required and directed by the Engineer. Traffic Control Measures for the day of the events for the Contractor will have to be reviewed and approved by the City. The events are mostly on weekends, however, set up does begin mid-week. Pertinent annual scheduled special events include, but are not limited to:
Special Events near or crossing CIP:
1. American Martyrs 5K Run (annual February) –TBD 2025
2. Grand View Gator Run (annual late May/early June) – TBD 2025
3. Chevron Grand Prix (annual July) – TBD 2025
4. Hometown Fair – (annual October) – TBD 2025
5. Hometown Fair MB10K – (annual October) – TBD 2025
External Links to Special Events:
1. American Martyrs 5K Run (annual February)
https://www.ams5k.org/
2. Grand View Gator Run (annual late May/early June)
2024 Gator Run – Events – Grand View Elementary
3. Chevron Grand Prix (annual July)
https://www.mbgp.com/
4. Hometown Fair – (annual October)
https://www.mbfair.org/
5. Hometown Fair MB10K – (annual October)
https://www.mb10k.com/
The most impacted project site is the Ardmore Ave and Pacific Avenue Pit #1 Location as such this pit would need to be coordinated in such a manner that Pit#1 to be finished prior or after the Chevron Grand Prix due to the event being a bike race that utilizes Ardmore Avenue and turns left onto Pacific Avenue and then immediately left onto Valley Drive. During this event traffic control measures (i.e. barriers) or temporary plating over pit is NOT an option. The Pit#1 must also contend with Hometown Fair & MB10K as at this time Valley Drive is completed closed and Ardmore becomes the main thorough way for commuters and Fire Department as such traffic control measures must accommodate this event with the best scenario that this pit is finished before or after this event.
2803 Pacific Avenue
Manhattan Beach, CA 90266
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