LocationPasadena, Anne Arundel County, Maryland
MarketWater Storage and Tanks
SITE DEVELOPMENT, AUGER-CAST PILE FOUNDATION, TANK FOUNDATION, 20-INCH WATER PIPING, VALVE VAULT, ELECTRICAL & INSTRUMENTATION, ACCESS IMPROVEMENTS AND SITE RESTORATION.
Johnston Construction Company
- Johnston Construction Company served as the Civil Subcontractor to Caldwell Tanks, Inc. for construction of the Fort Smallwood Elevated Water Storage Tank. The overall County project consisted of a new 2.0-million-gallon elevated water storage tank, approximately 160 linear feet of 20-inch water main, and associated appurtenances.
- Furnished and maintained the required erosion and sediment controls, construction staking and civil site work needed to support construction of the new elevated tank and associated facilities.
- Installed 72 auger-cast-in-place piles, including the required pile testing, to support the composite elevated tank foundation. JCC's subcontract expressly assigns the 72 piles and testing to Johnston.
- The pile specification required a minimum allowable compression capacity of 160 tons per pile, with final foundation requirements coordinated with the tank manufacturer's loading.
- Constructed the tank foundation designed by Caldwell, including the specified 6-inch concrete floor, and completed grading and clean-stone placement within and around the ringwall to prepare the site for Caldwell's tank erection operations.
Concrete Services Division
- Concrete Services Division, LLC served as the Concrete Subcontractor to Johnston Construction Company for the Fort Smallwood Elevated Water Storage Tank project in Pasadena, Maryland.
- Furnished the labor, forming materials, tools and equipment required for the forming, placement, finishing and curing of approximately 366 cubic yards of structural concrete associated with the elevated water storage tank foundation and related improvements.
- Performed approximately 1,969 square feet of curved-wall forming and placed approximately 310 cubic yards of wall concrete, forming a major portion of the structural concrete work included in CSD's subcontract.
- Formed and placed approximately 56 cubic yards of slab-on-grade concrete, together with the associated concrete finishing and curing operations.
- Performed concrete work associated with the interior tank floor slab and pile-cap construction, supporting the foundation system for the new elevated water storage tank.
Electrical Services Division
- Electrical Services Division, LLC performed the electrical trade work under Johnston Construction Company for the Fort Smallwood Elevated Water Storage Tank.
- Furnished all labor, materials and tools required to complete the assigned electrical work in accordance with the contract plans, specifications and Electrical Drawings E-1 through E-7.
- Furnished and installed power conduit, conductors, wiring and electrical connections serving equipment throughout ESD's assigned scope.
- Furnished and installed instrumentation conduit, control wiring and associated electrical connections required to support the tank monitoring and control systems. Instrumentation equipment itself was furnished by others.
- Installed and wired the cathodic protection panel serving the elevated water storage tank.