LocationAnnapolis, Anne Arundel County, Maryland
MarketWater Storage and Tanks
Contract
$183,740
Team Members
- Owner
- Anne Arundel County
- Engineer
- Hazen and Sawyer
- Prime Contractor
- Landmark Structures I, LP
- Civil Subcontractor
- Johnston Construction Company
Key Accomplishments
- JCC completed interior backfill within the concrete pedestal, preparing the tank interior for subsequent slab-on-grade and mechanical construction.
- Furnished and placed concrete associated with interior pipe supports, floor-drain construction, slab-on-grade work, pipe bollards and the overflow splash pad.
- Constructed concrete pipe supports in accordance with Landmark’s tank and mechanical-layout drawings.
- JCC constructed the interior slab-on-grade system, coordinating reinforcement, joints, sealants and associated concrete accessories required for the completed pedestal floor.
- Coordinated under-slab electrical conduit installation with Landmark and other trades before placement of the interior slab, preventing conflicts with subsequent tank electrical work.
- Furnished and installed the complete floor-drainage system, including drains, piping and the exterior drain connection associated with the tank pedestal interior.
- JCC constructed the valve/control room within the elevated-tank pedestal, including the building components and appurtenances identified in the Landmark subcontract.
- Installed the specified double-door assembly and roof-access door serving the valve/control room.
- Performed the required painting associated with the valve-room construction in accordance with the applicable project requirements.
- JCC installed Landmark-furnished stainless-steel chamber mechanical piping and valves within the pedestal.
- Furnished the supplemental materials required to complete the chamber piping system, including applicable gaskets, bolt kits, isolation kits, coatings and associated appurtenances.
- Completed the mechanical piping installation as a coordinated, operational system and performed the required pressure/leak testing of the chamber piping.
Project Description
Johnston Construction Company served as Civil Subcontractor to Landmark Structures I, LP for construction work supporting the new 2.0-million-gallon Broad Creek II / Lincoln Heights Elevated Water Storage Tank in Anne Arundel County, Maryland.
Performed the specialized interior pedestal, concrete slab, control/valve room and mechanical-appurtenance work included in Landmark’s subcontract for the elevated storage facility.