Summary of Concrete Rehabilitation Projects


    Sterling Fibers, Milton, Florida

    (Formerly American Cyanamid Company)

     

          Fibers Manufacturing Building

     

          Concrete testing and evaluation of deteriorated

          concrete in manufacturing area; recommended repair

          methods, 1980‑1982

     

          Evaluation of progress of deterioration, design of

          new framing configurations to prevent future

          contamination, 1984, preparation of bid documents, 1984. ............................ $1,500,000 (Bid)

     

          Condition surveys and coordination of delayed

          repairs, 1992 to 1997................................................................................... Engineering Studies

     

     

    Amity Dyeing & Finishing Partnership, Augusta, Georgia

     

    Concrete condition survey and testing,

    repair recommendations on production floor of

          dyeing plant, 1992 - 93.................................................................................. Engineering Study

     

     

    PCS Nitrogen, Millington, Tennessee

    (Formerly Arcadian Chemical Co)

     

          Prill Tower

     

          Repairs to interior walls of prill tower, major delaminations

          full height.  Inspection, testing, design of repairs

          and monitoring of installation of shotcrete repairs

    during shutdown, 1993 ............................................................................................. $1,000,000

     

    Engineering for exterior shotcrete repairs and metalized

    zinc cathodic protection system.  Originally scheduled for 2003.

    Project canceled, plant closed.  ................................................................................. $2,000,000

     


    PCS Nitrogen - BP Chemicals, Lima, Ohio

     

          Prill Tower - 50’ Dia. x 240’ High

     

          Inspection, testing and engineering evaluation of

          deteriorated concrete structure;   repair recommendations,

          construction inspection of exterior formed

    and pumped repairs, 2001.......................................................................................... $1,000,000

     

     

    Triad Chemical, Donaldsonville, Louisiana

     

          Prill Towers ‑ 50' Dia. x 180' High

     

          Inspection, coring and testing of deteriorated concrete

          structure, (high chloride level), recommended repair

          included shotcrete and trial cathodic protection, 1985............................................. $1,100,000

     

          Design emergency repairs to collapsed rake floor and

          conveyor system beneath, 1988.................................................................... Emergency Repairs

     

    Courtaulds Fibers, Mobile Alabama

     

          Fiber Manufacturing Building

     

          Inspection, concrete testing and evaluation of mechanism

          of chemical attack on concrete beams and girders exposed

          to process chemicals (principally sulfuric acid), in rayon fiber

          manufacturing plant; recommended repair procedures and

    preparation of plans and specifications, 1986................................................ Engineering Study

     

          Foul Air Tunnel

     

          Inspection, testing and analysis of brick lined reinforced

          concrete tunnel running beneath full width of manufacturing

          building exposed to severe sulfate attack, 1989............................................ Engineering Study

         

     

    Crown Vantage, St. Francisville, Louisiana

     

          Bleach Plant

     

          Condition survey and preparation of repair drawings

          for column, beam and floor slab repairs, 1997, 1999.................................................... $400,000

    Ethyl Corporation, Baton Rouge, Louisiana

     

          Sodium Cell Building

          Inspection, concrete testing and evaluation of deteriorated

          concrete roof deck of the cell rooms; corrective repair

          drawings, 1976............................................................................................................. $900,000

     

     

    Exxon Company, U.S.A., Baton Rouge Louisiana

     

          East Coker

     

          Condition survey and evaluation of concrete column

          and beam deterioration on structure supporting east

          coker  unit; recommended repair methods; preparation

          of plans for repair, 1990................................................................................. Engineering Study

               

          Sulfur Storage Pit ‑ 200 Unit

     

          Inspection, concrete testing and analysis of deterioration

          involving combined effects of chemical attack, thermal

          stresses, structural       loading and ground water intrusion,

          presentation of repair options, preparation of final plans

          for repairs, composite design steel plate, stiffeners, calcium

          aluminate cement mix, 1991‑1993................................................................................ $750,000

     

          Sulfur Storage Pit ‑ 100 Unit

     

          Preliminary design and testing of shotcrete  repair option

          utilizing calcium aluminate cement and stainless steel fibers

          design mix; bond to existing substrate.  Final design

    of shotcrete repair options completed in December, 1999........................................ $1,000,000

     

    R.O.C.C. Building

     

          Investigation of thermal cracking in 9" concrete roof and

          structural frame and recommendations for repair, 1976............................................... $160,000

     

          Sulfuric Acid Tanks 96 and 396

     

          Recommendations on substrate concrete repair and

          acid proof brick system in containment area, 1981....................................... Engineering Study

     

         

    Exxon Company, U.S.A., Baton Rouge Louisiana (continued)

     

    East Coker

     

          Engineering assistance to Exxon following major fire

          on the Coker Structure; advise regarding fire damage

          to concrete structure...................................................................................... Engineering Study

     

     

    Georgia Pacific, Brunswick, Georgia

     

          Chlor‑Alkali Cell Building

     

          Inspection, concrete testing and evaluation of deterioration

          of the 6" concrete slab and supporting prestressed precast

          supporting beams and girders in the cell rooms, 1982................................ $471,000 (Estimate)

     

          Chlor-Alkali Cell Building

     

          Evaluation of progress of deterioration, design of beams

          and girder shoring system, 1984................................................................................... $100,000

     

          Bleach Plants Numbers 1, 2, & 3

     

          Evaluation of concrete deterioration, recommended repair

          methods and preparation of detailed plans and specifications

          for contractor bidding; plans showed location and extent

          of all member repairs, suggested shoring methods and repair

          sequence,   details and specifications for shotcrete, handpatch,

          and formed and poured repairs; concrete protection including

          U‑drain trench linings, floors coating systems and concrete

          sealers, 1989............................................................................................................... $2,000,000

     

    Georgia Pacific, Port Hudson, Louisiana

     

          Bleach Plant

     

          Condition survey, determination of repair priorities,

          preparation of repair drawings for annual repairs,

          1994 to present............................................................................................................. $500,000

         

     

     

         

    International Paper Company, Bastrop, Louisiana

         

    Central Furnish Basement

     

    Inspection and evaluation of concrete slab,    beam, girder, and

          column deterioration;  preparation of plans and specification for

          contractor bidding; repairs included shotcrete mix with microsilica

          and polypropylene fibers, 1988.................................................................................... $450,000

     

     

    International Paper Company, Bastrop, Louisiana

     

           Paper Machine Building

     

          Inspection, testing and evaluation of deteriorated concrete

          in paper machine building; reinforced concrete slabs,

          beams and columns.  Recommended repair methods

          and prepared repair drawings, 1983‑1984................................................................ $1,500,000

     

     

    International Paper, Mansfield, Louisiana

     

          Roof Panels ‑ Paper Machine Building

     

          Testing and evaluation of deterioration of precast roof  panels

          above paper machines in  service only 8 years;  carbonation

          effects on galvanized reinforcing investigated, 1989…………………...……Engineering  Study

          .    

     

    International Paper, Natchez, Mississippi

     

          Chlorination Tower Foundation

     

          Inspection and analysis of existing tower foundation to

          support new tower following demolition of the original

          tower; recommended anchorage details, 1990.............................................. Engineering Study

     

     

     

     


     

    Kaiser Aluminum & Chemical Corporation

    Gramercy, Louisiana

     

         

          Caustic Chlorine Cell Room

     

          Inspection, concrete testing, and evaluation of deteriorated

          concrete in cell rooms, components testing and evaluation

          program of repair materials; recommended repair methods,

          1982‑1984................................................................................................ $4,600,000 (Estimate)

           

         Coke Calciner Storage Dome

     

          Investigation and structural evaluation of 12" thick x 25' high

    reinforced  concrete ring walls on a 225' diameter storage

          dome after a long duration high intensity coke fire, 1976............................. Engineering Study

     

          Press Building No. 35

     

          Inspection of deteriorated precast concrete roof deck

          (NaOH attack), 1977..................................................................................... Engineering Study

     

     

    Mississippi Phosphates Corp

    Mississippi Chemical Corporation,

    Pascagoula, Mississippi

     

         

    NPK Fertilizer Plant No. 3

     

          Six-story concrete frame plant unit. Inspection, evaluation

          of   deterioration, computer analysis on wind frame, protective

          coating and repair drawings, 1979................................................................................ $155,000

     

          North Dock

     

          Inspection of deterioration in precast concrete deck slabs and

          recommended repairs, 1979............................................................................. Study and Repair

     

     

     


    Monsanto Company, St. Louis, Missouri

     

          Sulfur Storage Pit

     

          Inspection, concrete testing and analysis of deterioration

          involving combined effects of chemical attack, thermal,

          stresses,  structural loading and ground water intrusion,

          presentation of repair options, preparation of final plans

          for repairs, coordination of repair installation in 1994................................ $300,000 (Estimate)

     

    P.P.G. Industries, Lake Charles, Louisiana

     

          Caustic and Salt Evaporator Platforms

     

          Inspection, concrete testing, and corrosion survey of large

          reinforced concrete caustic and salt evaporator platform

          structures; recommended repair includes shotcrete and

          cathodic protection, 1985............................................................................................. $200,000

     

          Plant A Mercury Cell Caustic‑Chlorine Plant

     

          Structural condition survey, concrete testing, and

          evaluation of concrete deterioration in elevated mercury

          cell caustic‑chlorine production plant; recommended

          repairs on prestressed beams and girders, and normal

          reinforced columns, 1987.............................................................................. Engineering Study  

     

          Plant C Chlorine Cell Supports

     

          Inspection, concrete testing of large pedestals (6' height)

          supporting chlorine cells; recommended repair methods;

          testing of two cathodic protection systems; updating of

          repair methods on annual basis for repair of 144 pedestals,

          1988 – current................................................................................................ Engineering Study

     

    Plant A K306 Building

     

          Structural condition survey, concrete testing, and

          evaluation of concrete deterioration in elevated

    caustic‑chlorine production plant; recommended

          repairs on 500 columns, beams and  slabs, 2001........................................................ $1,000,000   

     

     

    P.P.G. Industries, Lake Charles, Louisiana (continued)

     
     
    Plant A K307 Building Covered Roadway

     

          Structural condition survey, concrete testing, and

          evaluation of concrete deterioration in elevated

    roadway and large maintenance support building;

    recommended repairs on 450 columns, beams and  slabs, 2001................................... $900,000     

     

     

    Scott Paper Company, Mobile, Alabama

     

          Bleach Plant No. 3

     

          Structural condition survey, concrete testing and

          evaluation of concrete deterioration on concrete floor

          slabs in five story bleach plant structure; recommended

          repair procedures and prepared final plans and specifications

          for contractor bids, 1987.............................................................................................. $400,000

     

          Bleach Plant N0. 2

     

          Evaluation of repair methods for concrete beams, girders and

          columns undergoing severe deterioration supporting bleach

          plant washer floors, 1988.............................................................................................. $200,000

     

          Concrete Silo Vessels

     

          Concrete testing and evaluation of     deterioration on concrete

          silo vessels storing chemicals for bleach plant processes;

          recommendation of repair methods, 1989.................................................................... $100,000

     

    Recovery Boiler Floor Slabs

     

          Condition survey and testing of concrete floor slabs on 8 story

          recovery boiler building; recommended slab repairs including

          resurfacing, crack injection and coating systems, 1991................................................ $400,000

     

          Energy Recovery Cooling Tower Basin

     

          Evaluation of concrete cracking in elevated cooling tower

          basin and recommended repair methods, 1991............................................. Engineering Study

     

     

    Star Enterprises (Texaco), Convent, Louisiana

     

          FCCU Pipe Rack ‑ Fin Fan Supports – Fire Damage

     

          Inspection and evaluation of emergency repairs following fire

          damage to prestressed members supporting fin fans and piping; 

          repairs planned to minimize shutdown of cat‑cracker, 1988.......................... Emergency repairs

     

          H-Oil Structure – Fire Damage

     

          Inspection and recommendations of emergency  repairs

          following fire damage to concrete support frames, 1994 & 1996.................. Emergency repairs

     

          Reactor Structure

     

          Inspection and recommendations of repairs to damaged

          concrete columns supporting cat-cracker, 1995............................................. Emergency repairs

     

          Boiler Foundation

     

          Inspection and recommendations of repairs to damaged

          piers supporting boiler; repairs made during shutdown, 1995....................... Emergency repairs

     

          VPS Exchange Structure – Fire Damage

     

          Inspection, evaluation & design of emergency repairs                                  Emergency Repairs

          to multi-story concrete structure following fire damage........................................... $1,000,000

     

     

    Triad Chemical, Donaldsonville, Louisiana

     

          Prill Towers ‑ 50' Dia. x 180' High

     

          Inspection, coring and testing of deteriorated concrete

          structure, (high chloride level), recommended repair

          included shotcrete and trial cathodic protection, 1985............................................. $1,100,000

     

          Design emergency repairs to collapsed rake floor and

          conveyor system beneath, 1988.................................................................... Emergency Repairs