Grand Haven Spring Lake Sewer Authority – Headworks Building Project & Pump Station Improvements

Wednesday, October 2, 2019

Contract #1 work completed since last update (9/5/19):

  • Process piping progress in valve/meter chamber

    The three meters for the Grand Haven force main, Spring Lake force main, and Local pump station (9/23/2019)

  • Headworks building masonry

    Masons working on the north wall of the building (9/26/2019)

  • 4-inch effluent water line
  • 20-inch force main

    Crew setting the 20-inch forcemain into the meter chamber (9/6/2019)

Anticipated work in October:

  • Wrap up headworks building masonry
  • Set precast concrete roof on headworks building
  • Painting & metalwork (stairs, grating, railings, etc.)

 

Contract #2 work completed since last update (9/5/19):

  • Began installing new electrical equipment

    Power cables installed for three pump variable frequency drives (9/25/2019)

  • Existing piping removed and installation of new piping begun

    First sections of the 20-inch header (10/1/2019)

  • Equipment pads, pump bases, and wet well infill concrete poured

    Concrete bases on which the new pumps will sit (10/1/2019)

 

Anticipated work in October:

  • Install new pumps, valves, monorails, and remaining piping, electrical, HVAC, and instrumentation equipment
  • Epoxy coat wet well interior
  • Paint equipment and building interior
  • Perform startup of pump station and remove bypass pumps

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Wednesday, September 2, 2019

Contract #1 work completed since last update (7/31/19):

  • Headworks floor slab, grit channel walls, dumpster room concrete formed & poured with conduit and wall piping in place.

    Concrete workers and electricians formed the steel and ran conduit through the floor of the grit building (8/7/19)

    Poured the concrete flooring for the grit building

  • Segments of gravity main installed into local wet well

    Pipe workers laid a segment of 24-inch gravity sewer (8/20/19)

  • Conduit duct banks outside of Primary Sludge Building completed and cased in concrete

    Conduit entered through the proposed transformer/ATS pad (9/3/19)

  • Local Pump Station wet well was epoxy coated.

Anticipated work in September:

  • Install process piping in valve chamber and meter chamber
  • Masonry walls for headworks building
  • Install site piping: 20-inch forcemain, 36-inch headworks effluent pipe, 4-inch effluent water line, underground odor control pipes
  • Small concrete pours: Sloped floor pours, 605′-10″ slab with odor control penetration, compressor pad, ATS/Transformer pad

Contract #2 work completed since project began (8/19/19):

  • Pump station bypass system set up and placed in service

    A 3–pump bypass system was installed to temporarily reroute wastewater so work inside the pump station could take place. (8/26/19)

  • Demolition of electrical equipment started

    The Electrical crew worked to remove electrical components from the pump station. (9/3/19)

  • Wet well interior cleaned and prepared for epoxy coating

    Plummers Environmental used its vacuum truck to remove wastewater from the pump station to prepare for cleaning and epoxy coating (9/3/19)

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Monday, August 5, 2019

Work completed since last update (7/15):

  • Rise well, a portion of the grit chamber, and outlet channel were formed and poured (7/19)
  • From Left to right: The rise well, circular grit chamber ,and effluent channel

     

  • Fillets in wet well were poured (7/24)

    Concrete crew working on the fillets in the wet well

     

  • Footings for east side of headworks building formed and poured (7/24 – 7/26)

    Concrete crews pouring and finishing the footing for the headworks building

     

  • Short support walls for the grit channel and grit dumpster rooms formed and poured (7/29)

    Concrete crews pouring the support walls

     

  • Local wet well pumps and piping installed, process piping in meter chamber and valve chamber are being assembled

    36-inch header located in the meter chamber

     

  • Progress on conduit near primary sludge building, and conduit inside activated sludge building

    Duct Bank running to the primary sludge building

Anticipated work in August:

  • Epoxy coat wet well
  • Continue to install process piping and valves in valve and meter chambers
  • Form and pour floor and channel walls
  • Begin masonry construction for headworks building
  • Form and pour transformer pad near primary sludge building
  • Continue to run conduit in buildings and duct banks in yard

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Monday, July 15, 2019

Work completed to date:

  • Excavation of site, preparation of construction area for new Local Pump Station and Headworks Building (April – May 2019)
  • The location of the new Local Pump Station and Headworks Building, prepped for excavation
    • Slabs, walls, and decks for the Local Pump Station wet well and valve chamber, and meter chamber for the Headworks were formed and poured (May – June 2019)
  • Remainder of 16” Spring Lake force main was installed—connecting to the new meter chamber (July 2nd)
  • Rise well, grit chamber, and grit outlet channel base slabs were formed and poured (July 11th, 2019)

Anticipated work this month:

  • Start process piping and valves in wet well, valve chamber, and meter chamber
  • Install electrical duct banks in yard
  • Form and pour grit chamber, rise well, and grit outlet channel walls
  • Pour fillets in the Local Pump Station wet well

Prepping for excavation of the location of the new local Pump Station and Headworks Building

 

 

 

 

 

 

 

 

 

 

 

 

The local Pump Station wet well base slab with reinforcing steel shown

Local Pump Station wet well concrete poured on May 5, 2019

The final section of the 16” Spring Lake force main

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The base slab being poured of the valve & meter chamber on Jun 11, 2019.

 

 

 

 

 

 

 

 

 

 

 

 

 

Important Information

Prein&Newhof will have personnel in the field on behalf of the Grand Haven Spring Lake Sewer Authority.

Please contact Prein&Newhof if you have any questions regarding construction, the design plans, or if there are any issues.

Project Manager: Nate Ver Heul, PE

(616) 432–6727 // Email

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Contract #1: Headworks Building Project

Contractor (general): Triangle Construction

Subcontractor (concrete): Van Laan Concrete

Subcontractor (electrical): Windemuller

Subcontractor (mechanical): Allied Mechanical

Subcontractor (earthwork): Jackson–Merkey Contractors

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Contract #2: Pump Station Improvements

Contractor (general): Grand River Construction

Subcontractor (mechanical): Allied Mechanical

Subcontractor (electrical): Newkirk Electric

Subcontractor (integration): Windemuller

Subcontractor (painting): Dave Cole Decorators

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Construction Timelines:

  • Headworks Building – until June 2020
  • Grand Haven (Adams Street) Pump Station – until October 2019
  • Spring Lake (Division Street) Pump Station – begin October 2019 until November 2019

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All work and schedules are weather dependent.

Thank you very much for your patience and cooperation!