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ingsofb rlass, ouldbe new system. -eated equal. N ftware. Take VI on accounting thing else on di roduct of vean ship. fcapabilities u 1 relational dac Work module, al on-screen rt Projection prot is the best avai r that gives yo the form you :seand its flex: lors itselfto eai i don't need cus ^ake it right for i get well-intet e with feature; else. What'sn with Vision es management aining, thorou le-tree installan ore very impoi ence and exper essionals. ;sten. To pros it ou ideas. Thev istruaion com heir computers ' the same for si : about a better on system, you ee Vision m act S77, and find ou ou. ;ed glass, but st color your thin software. UTEK protesd-vw f Swrvic* No. f Wiisonville. OR Vt 503/682-197: OBSTRUCTION'S MANAGEMENT MAGAZINE ^1 FEATURES JANUARY 1993 Vol. LXXV, No. I 10 INDUSTRIAL BUILDERS' FARGODOME A domed stadium brings prosperity on the prairie in North Dakota 15 CONSTRUCTION MARKETS 1993 An overview of public construction markets for the year ahead, including information on the Corps of Engineers, high way, Department of Energy, NASA, GSA, wastewater treatment, embassy, HUD, prison, airport, and hazardous waste construction 24 THE AGC CONVENTION/COWrwrOft EXHIBIT AND CONEXPO 93 In Las Vegas: the right place at the right time! Experience unequaled opportunities for your business, your social life, seminars, forums, and entertainment! 29 THE VALUATION OF UOSEIEY HELD SECURITIES Avoiding common pitfalls and misconceptions 32 PEN-BASED COMPUTERS User-friendly systems can cut jobsite costs and boost efficiency 34 REMEDIATION OPPORTUNITIES AT D.O.E. The Department of Energy's En vironmental Restoration and Waste Management Program 36 COMMERCIAL BUILDINGS '93 BUILDINGS Magazine reports a ray of light in retrofit 3 GUEST PERSPECTIVE B AGC DIVISION BRIEFS The back yard 39 NEW TECHNOLOGY 5 PRESIDENT'S MESSAGE New concrete pumps: A venture in which nigged, versatile, and America will be economical best served 6 NEWSLINE AGC...at the changing of the guard E l> 42 CONSTRUCTION MARKETING Direct mail 43 INSURANCE Insurance market update Coe< prio'o bv Vem Wf>if*en 44 REGIONAL ACTION 45 NEWSMAKERS 44 CLASSIFIEDS 48 EDITORIAL New priorities, continuing activism > v. PARTNERING CONCEPT FOR SUCCE: ?>. - /v\*Kw, l, l , / I V.A. MARKET UPDATE A listing of Veterans Administration construction projects $1 million and up expected in FY 1993 THRILLS FOR SALE...MADE IN AMERICA) Marvin Black is creating a world-class wooden roller coaster for Japan. MASTER BUILDfRS OF THE 2lit CENTURY 1991 AGC president Marvin M Black speaks to the Texas A & M School of Architecture. EXPO '93 A handy guide to 167 AGC construction equipment exhibitors AGC PROFILE: THE TURNER CORPORATION Building America for 90 years IKING LETTERS OF CREDIT IN UEU OF RONDS There are critical differences. Be sure you know what they are. WHAT UN GO WRONG WITH SUBCONTRACTOR BONDS Answer the 11 essential questions in this article before you execute your next subcontract. C.I.T. FORECAST 1993 Construction activity modest and uneven growth THE AGC CONVENTION MARCH 17-23 COHSTKVCTOK EXHIBIT AND C0NEXP0 '93 MARCH 20-25 Your AGC registration is your personal key to the best of Las Vegas, spotlighting dazzling social events, business-oriented seminars, bottom-line forums, and the country's top entertainment. KRSPECTIVE 5 Blessed be the activists--who get the job done DEPARTMENTS PRESIDENT'S 6 NEWSLINE 8 AGC DIVISION BRIEFS 57 MESSAGE Highway user fees-- deficit reduction tolls-- clean air tolls AGC expands safety resource library . . . again 52 NEW TECHNOLOGY No-mess mesh 56 NEWSMAKERS 60 Quotas and the taboo against truth-telling *J7 | V * W CONSTRUCTOfi/febaiary 1993 3 would be rd. Maybf | .vay as he :perienced nd we set e$. To makel it flexible, if hardwire.] mpanv's and hassle CONSTRUCTION'S MANAGEMENT MAGAZINE FEATURES MARCH 1993 Vol LXXVI, No. 3 AGC SUPPORTS $9 MUION INFRASTRUCTURE INCREASE AGC calls for congressional ap proval of Clinton's short term economic stimulus program PARTNERING Returning common sense to the construction jobsite 22 A KAN FOR REBUILDING OUR NATION The Rebuild America Coalition submits a proposal to the Clinton Administration 26 AIRPORT CONSTRUCTION EXPANDS WITH NEW USER FEES Passenger facility charges are funding everything from runway and terminal expansions to noise mitigation 29 V.A. MARKET UPDATE PART N Construction projects up to $1 million expected in FY 1993. Second in a series 32 WELCOME TO LAS VEGAS AGC brings you the best of construction 33 AGC CONVENTION/CONSTRUCTOR EXPO AT A GLANCE What's happening when p and perfed i/e started byl reds ofusers ] nto features re productive] set-up and creen report-1 nto Vision. 1 more than With man-1 ant Cost i Report Wmej : we set out to I ;htiy inte stem so sop accommodiL'l ir those who v integrated md project ut a better! stem, consitlrj 2-2877, andasi| . four years to .t nost fifteen yefl you see it, yooj wait. in No. I 1 PERSPECTIVE Recovery i PRESIDENT'S MESSAGE Building on the Best 35 FORUMS AT AGC'S 1993 CONVENTION Bottom-line issues in your market sector THE BEST YOU CAN BE AGC seminars help you get the most from your business, your family, your li/e! CONSTRUCTOR EXPO '93 A handy guide to 175 AGC/CONSTRUCTOR Exhibitors 58 CONEXPO '93 EXHIBITOR GUIDE A schematic diagram of the AGC/CONSTRUCTOR and ConExpo `93 show spaces 72 EXHIBITORS A TO Z An alphabetical listing of exhibitors at the combined \GC!CONSTRUCTOR Exhibit and ConExpo '93 76 FULL SERVICE BEGINS LOCALLY Finding the right contractor for your job is getting easier, thanks to AGC 83 AGC IS SERVICE TO THE CONSTRUCTION WORLD AND IS THE OWNER'S EDGE Hundreds of AGC services to aid contractors and owners in efficient and competitive management 98 AGC CHAPTER DIRECTORY A listing of AGC's 100 chapters 102 1993 PLAN ROOM DUECTORY Another service of your local AGC chapter 107 123 130 PUBLICATIONS AND VMOS Information to make your company safe, productive, and prof itable SAFETY AND HEALTH-ANOTHER AGC SERVICE A moral imperative that's also smart business AGC SAFETY VANS Taking the message where it matters most--your jobsite 133 137 CONTRACTORS FLOCK TO TOTAL QUALITY MANAGEMENT An art and science for the prac ace of good business WORKING FOR YOU: AGC PAC Bringing the construction industry into the elective process of American poStics/AGC contributors DEPARTME NEWSLINE 11 AGC testifies on infrastructure investment t s mmmmmmmmm AGC DIVISION GRIEFS 174 CLASSIFIEDS NEW TECHNOLOGY 17* EDITORIAL Drilling through variable Adapting, refining, ground improving on the best 170 NEWSMAKERS .dincnsao'u lljonviile, OB 303/682-1972 CONSTRUCTOR/Morch 1993 AGC'S LAS VEGAS CONVENTION...TQM...TOTAL QUALITY COMMIT TEE Highlights from AGCs 74th annual convention, where more than 6.000 gathered to further quality in all sectors of the construction in dustry 24 PARTNERING: EIGHT WHO SOARED Winners in the first annual Mar vin M. Black Excellence in Partnering Awards 29 TRENCHLESS TECHNOLOGY New products from eight manufacturers i 32 COVER STORY: BYRON FARRELL: BUILDING TOMORROW TOGETHER Profound changes are rocking the industry, says AGC's new Presi dent. Only the smart will survive THE GREATEST CONSTRUCTION SHOW ON EARTH The AGClCONSTRUCTOR Exposition/ [ 58 AGC'S 1993 EXECUTIVE COMMITTEE These AGC activists give tirelessly of their time and expertise to advance all who labor in con struction , I I 64 OUTSTANDING STUDENT CHAPTERS 1992 Tomorrow's leaders work to better their communities AGC STUDENT CHAPTER DIRECTORY DEPART M E NTS mmm--am ) PERSPECTIVE 7 NEWSLINE Infrastructure in Short-term stimulus vestment proposal contains $9 5 BUILDING TOMORROW TOGETHER By Byron L. billion in construction funding Farrell, P.E., Presi 69 NEW TECHNOLOGY dent, the Associated CMR's daily data General Contractors of 71 LEGAL MATTERS 74 CLASSIFIEDS Case review: contrac 76 GUEST COLUMN In tor's inconsistent acts volvement, by Joe waive arbitration Charles Ballenger, 72 NEWSMAKERS President of the AGC 73 REGIONAL ACTION of Texas--Highway, Heavy, Utilities and Industrial Branch America CONSTRUCTOR/April 1993 rsJsiiU K ** I M Z m a m m *m s = tti I993 AGC LEADERSHIP CONFERENCE--BUILDING TOMORROW DTOGETHER More than a hundred chapter officers come to Washington to set AGC strategy for the year ahead 17 TQM TODAY Quality management movement takes hold in con struction 21 TQM By this year's James L. Allhands Essay Competition winner. Dick Farnsworth, a senior at Boise State University i j I! I I. 22 1993 AGC/MOTOROLA BUILD AMERICA WINNERS A salute to the outstanding construction projects of 1992 28 MEET THE LEADERS A roster of chief elected officials of construction- related trade associations and unions ! 34 GEOSYNTHETIC DIRECTORY The fourth annual CONSTRUCTOR directory of geosynthetic retailers, products, and services M DEPARTMENTS 3 PERSPECTIVE 6 NEWSUNE 45 NEW TECHNOLOGY 49 NEWSMAKERS It's your AGC testifies on IRS ^ MARKETING SO CLASSIFIEDS business S PRESIDENT'S MESSAGE Non-Discrimination Rules Public relations S3 EDITORIALS Striker replacement Latent defects--an IS AGC DIVISION BRIEFS legislation unreasonable allocation of risk CONSTRUCTOR/Moy 1993 & 'NSTSL'CTION'S management magazine features JUNE 1993 Voi LXXV . No. 7 AIRBORNE INFLUENCE More than 200 industry representatives bring 12 construction's message to Capitol Hill at Legislative Fly-In 16 AMERICA'S NATIONAL HIGHWAY SYSTEM A National Highway System is needed to move the U.S. into the 21st century 18 NEW CONGRESSIONAL LEADERS TO DIRECT HIGHWAY PROGRAM CONSTRUCTOR talks with Reps. Norman Mineta and Bob Carr 22 TARLTON: QUALITY AND TEAMWORK AGC member profile SAFETY TRAINING FILMS FOR CONSTRUCTION A tool for contractors ACCIDENTS 28 MANAGING CHANGE Survey reflects increasing interest in TQM, Partnering, ADR in response to difficult market conditions nuufti i &ndni s, but v ourthm ft. 3 PERSPECTIVE May days S PRESIDENT'S MESSAGE H * W* J rmDrOfl '682-ir: 32 AGC'S HIGHWAY DIVISION Providing management and market ser vices to contractors engaged in highway, bridge, and airport con struction 34 THE ZERO INJURY CONCEPT, PART I It is achievable if all three parties--contractor, jobsite workers, and owner--work together [= ZERO = ACCIDENTS mmm DEPART M E NTS m--mmmm 7 NEWSLINE 36 NEW TECHNOLOGY 44 NEWSMAKERS AGC opposes striker Bidwork for Windows replacement legislation simplifies contract 10 DIVISION BRIEFS estimating 42 PARTNERING 47 COMPETITION-- THE UFE OF TRADE Air Force Academy mess 45 CLASSIFIEDS hall completed in 15 weeks CONSTRUCTOR/June 1993 FEATURES JULY 1993 Vol. IXXVI No. 7 TH( ZERO INJURY CONCEPT, PART II It is achievable if all three partiescontractor, jobsite workers, and owner--work together SAFETY TRAINING FILMS FOR CONSTRUCTION Reviewing several AGC videos geared toward specialized jobsite safety training AMP AGC's Advanced Management Program: a unique learning experience THE BRT SAFETY AWARDS How to achieve the hallmark of excellence AGC'S EDUCATION AND RESEARCH FOUNDATION REPORT More than $3 million awarded to students since 1970 THE MOLES AND BEAVERS Who are the strongest contractors of all? The ones who make the earth move THE SECRETARY OF DEFENSE DESIGN AWARDS PROGRAM Excellent installations--the foundation of defense .t out ntfgrit osophj imocit -c who zncrd jjfct rtrr mu consiik . indisi fin to: tCCT it, you 3. i K AGC MEMBERSHIP DIRECTORY A-1 A-11 Vs AGC Committees, Chapters, and Other Bodies; B*1 1-124: AGC Members Listed Geographically; C*l It C*17: AGC Members Listed Alphabetically; D*l It 0-124: AGC National Associate Members Listed Geographically; 1-1 It 1-17: AGC National Associate Members Listed Alphabetically DEPARTMENTS s PERSPECTIVE It CONTRACT The town hall meeting DOCUMENTS 44 LAOOR NOTES Labor contract cost you can chair A201 Revision Task reductions PRESIPENT'S MESSAGE Force solicits member comments 4S MARKETING Company videos: a hot TQM: the future is 22 SAFETY new marketing tool here II NEWSLINE Operating safely in confined spaces 41 TAX A FISCAL AFFAIRS The IRS-AGC Working AGC develops model 24 INTERNATIONA! CON Group: what it is, how company environmental STRUCTION OUTLOOK and why it was created plan II INNOVATIONS IN PARTNERING Crow Construction's International forum in Las Vegas focuses on construction markets abroad 52 CONGRESSIONAL RELATIONS Contractors: step up to the plate! huge postal project- 20 MANPOWER A successful because of TRAINING Partnering Building a workforce for the future NM >#7 t fe , iWr. man sm *..< i 3X5HUCTOI *w . M9*ClE3kQV0W0.I $>43 St CONSTRUCTION EDUCATION Promoting careers in construction 44 NATIONAL ASSOCIATE MEMBERS CORNER AGC delivers for all of us 44 NEW TECHNOLOGY 77 REGIONAL ACTION 71 NEWSMAKERS 7 CLASSIFIEDS 4t2 EDITORIAL Safety: making good on a moral commitment wCO*mjCTCA 'W i 9 C 30006-7071 3*1-30*0 `tj ,3031 W-*00* CONSTRUCTOR/July 1993 -1972 \ i j AND OTHER CONSTRUCTION'S MANAGEMENT MAGAZINE FEATURES AUGUST 1993 Vol. LXXV No 8 HOW THE ENDANGERED SPECIES ACT AFFECTS YOU Facts and fallacies of a failed policy EXPANDING LIABILITIES UNDER CERCLA Contractors beware: This Superfund provision could cost you your company 24 AGC'S MUNICIPAL-UTILITIES DIVISION Serving the AGC contractors who serve America 26 CLEANING AMERICA'S WATER Why it is essential that we reauthorize the Clean Water Act 28 ADVANCING THE CUTTING EDGE Crowder Construction scores a global "first" in microtunneling 31 HAZARDOUS WASTE DIRECTORY CONSTRUCTOR'S third annual listing of vendors of equipment and services 3 PERSPECTIVE Another part of the budget reconciliation process S PRESIDENT'S MESSAGE Access and involvement 38 CONSTRUCTOR'S 1993 TRAILER DIRECTORY A listing of the most up- to-date construction trailers, services, and accessories on the market 41 MAESCHER INDUSTRIES, INC.: A CENTURY OF COMMITMENT TO EXCELLENCE Looking back over 100 years of successful building DEPARTMENTS G NEWSUNE 51 LEGAL MATTERS 53 NEWSMAKERS Supreme Court rules that associations have Understanding and controlling your 54 CLASSIFIEDS standing lawyer's bills 54 EDITORIALS 12 DIVISION BRIEFS 52 INNOVATIONS IN PARTNERING Teambuilding according to Gourdeau Limited, Inc. Senator Bennett Johnston's Amend ment; Conservation vs. Preservation CONSTRUCTOR/August 1993 m be CONSTRUCTION'S MANAGEMENT MAGAZINE FEATURES SEPTEMBER 1993 Vol. LXXV No. 9 CONTRACTORS GETTING STARTED IN TQM The results of an industry survey provide an interesting profile GOVERNMENT CONTRACT CLAIMS It's a game with its own rules. Know what to do and when AGC'S BUILDING DIVISION Redoubling its efforts to insure AGC's leadership role in the marketplace AGC FORMS PRIVATE INDUSTRY ADVISORY COUNCIL New group aims at better communications with owners WILL THE CLEAN AIR ACT HALT HIGHWAY CONSTRUCTION? The dangers of the "transportation conformity" provision AGC FORUM: WORKERS COMPENSATION The crisis...the reforms EXECUTIVE SUMMARY BANKRUPTCY A construction attorney answers contractors' most frequetly asked questions METAL BUILDINGS Right for the times jt sccq chink 1993 METAL BUILDINGS MANUFACTURERS AGC's annual directory hhm DEPARTMENTS PRESIDENTS MESAGE 9 AGC DIVISION BRIEFS 42 NEW TECHNOLOGY 47 LEGAL MATTERS AGC liason with public agencies: focusing on customer satisfaction NEWSUNE 10 PREPARING FOR COMET A new union salting campaign is out to con SMIE's crane interfer ence control system of fers increased safety and efficiency Avoiding litigationon-site resolution of construction disputes, Part 1 Legislative update vert or raise havoc for 44 INNOVATIONS IN 41 NEWSMAKERS open shop contractors PARTNERING SO CLASSIFIEDS Highway replacement project in Denver had S2 EDITORIAL Latent 750 extra stakeholders defects: perpetual liability : ti>. : : 7ooo ^ **CXST*<70 *17 I i * 0 Mwm *17 IV NW saco . ? a 0 c 7000* SacM c*m uep m wa t La iing a* ici CONSTfcjCTCi 9S7fV * W 0 C 3000* > :JC71 JtiJOtC MU 1JCT Ul-*cc CONSTRUCTOR/September 1993 IT i I CONSTRUCTION'S MANAGEMENT MAGAZINE FEATURES OCTOBER 1993 Vol. IXXV No. >0 AGC SAFETY A HEALTH SERVICES Leading the nation in construction safety AGC SAFETY VAHS Taking the message where it matters most--your jobsite VA CONSTRUCTION PROJECTS The Department of Veterans Affairs lists cur rent projects open for bidding AGC'S HEAVY INDUSTRIAL DIVISION Profile THE NANOSECOND NINETIES Being a good contractor isn't enough anymore. If you can't master change, you're on your way out SLACK SEASON MAINTENANCE Follow these tips to increase uptime, max imize performance, and extend the life of your heavy equipment WHAT'S NEW IN TRUCKS An insider's look at the latest & greatest technology available from U.S., European, and Japanese manufacturers LUBRICANTS FOR HEAVY-DUTY, OFF-HIGHWAY TRUCKS A helpful listing of lubricant suppliers THE H.B. ZACHRY COMPANY Saluting 65 years of Partnering with AGC 38625 ll WATER WARS IN THE WEST Farmers, cities, and environmentalists fight over dwindling supplies. Someday they may have to compromise RETURN TO REASON Court adopts concept of economic waste in government contracts PARTNERING ON A TROUBLED PROJECT If it's already too late to avoid trouble, Partnering can help save a project headed for disaster WORK WITH YOUR ATTORNEY BEFORE TROUBLE STRIKES Avoid costly litigation, reduce legal costs, and improve financial performance DEPARTMENTS AGC AT WORK V AGC DIVISION BRIEFS Construction's positive role in matters 49 NEW TECHNOLOGY environmental PRESIDENT'S MESSAGE The environment: when cooperation replaces confrontation 54 INNOVATIONS IN PARTNERING Partnering in moder nization of naval drydock helps save NEWSLINE 8,200 jobs AGC hosts officers of the Mexican Construc tion Association 55 LEGAL MATTERS 57 REGIONAL ACTION Avoiding litigation: effec tive on-site resolution of 58 CLASSIFIEDS construction disputes, 40 EDITORIAL Part II Construction Industry 54 NEWSMAKERS Risk Allocation Summit ON TNI COVR: AGC safety vans, clockwise from top left: Nor thern Illinois Building Contractors Association, inc., Michigan Chapter,- Master Builders of lowo; Michigan Chapter CONSTRUCTOR/October 1993 :;nS'?uCTiom'S management magazine FEATURES NOVEMBER '993 Vol IXXV No. 11 12 "REINVENTING GOVERNMENT" Executive summary: report at Vice Presi dent Gore's Task Force 14 OENVER BUILDS AN AIRPORT The first major U.S. airport in two decades 20 INCREASING AIRPORT CAPACITY: A RET TO A COMPETITIVE AIRLINE INDUSTRY Congressman James L. Oberstar 22 DISPUTE REVIEW BOARDS: BACKDOOR PARTNERING? Take a good look at this phenomenally successful new process. It could help prevent litigation on your next job 26 ENVIRONMENTAL OVERKILL Overzealous federal regulators are halting safe highways, water reservoirs, and other badly needed infrastructure 30 OWNERSHIP TRANSFER THROUGH DISCOUNTED COMPANY STOCK A recent IRS ruling makes it easier to pass your business on to your family members DOWNSIZING A profitable alternative in a sick economy CRISIS MANAGEMENT How to deal with the press during an emergency i i i i 40 TOMORROW'S TOP MARKETS Which markets are most likely to benefit from an economic recovery in the near future? Real estate analysts put their money on the younger, growing cities of the sunbelt 47 ADVANCID MANAGEMENT PROGRAM 12 consecutive sellouts! Sign up early for November 1994! DEPARTMENTS 1 PERSPECTIVE 10 AGC DIVISION BRIEFS SB NEWSMAKERS 61 CLASSIFIEDS To give is to receive 52 NEW TECHNOLOGY Sitework software GO INNOVATIONS IN PARTNERING 64 EDITORIALS Denver: Let it be the S PRESIDENT S MESSAGE 57 LEGAL MATTERS Partnering beyond the jobsite Making mediation work Hangars needed fast for secret aircraft-- Partnering delivered start of renewed com mitment to needed public works * NEWSLINE CONSTRUCTOR/Novcmber 1993 ion would be CONSTRUCTION'S MANAGEMENT MAGAZINE arted. Maybe ie wav as he ____________________________________________ FEATURES DECEMBER 1993 Vol. IXXV. No. I 2 experienced . And we set elves. To nuke ike it flexible, y of hardware, company's se and hassle 12 MAYNARD JACKSON REVISITED Atlanta Mayor and Rebuild America Coali tion Chairman Maynard Jackson on the future of infrastructure funding 16 PARTNERING IN THE FACE OF DISASTER AGC members and the great flood of '93 lop and pcrfeci . We started by idreds of users. , into features lore productive o set-up and -screen reportinto Vision. in more than re. With mangant Cost , a Report Write it we set out to ghtly integrate* stem so sophis * accommodate or those who y integrated and project ut a better manstem. consider 2-2877, and ask four years to cr lost fifteen year .;ou see it. you!) wait. i . 1 FEK HFD1BMU i sorville, OR 9RPC 13/682-1972 j. 24 ANNOUNCING THE 1994 MARVIN M. BLACK EXCELLENCE IN PARTNERING AWARDS Have you completed a construction project epitomizing the prin ciples of Partnering? Deadline for entries: January 14, 1994 29 CONSTRUCTION INDUSTRY SOFTWARE INVENTORY CONSTRUCTOR'S eleventh annual listing of construction software 42 ARBITRATION PANEL REJECTS OWNER'S $14 MILLION CLAIM New project developer unsuccessful in making contractor share investment risk 43 PUNNING FOR SUCCESS IN TNE CONSTRUCTION INDUSTRY The basic elements of a ousmess plan DEPARTMENTS PERSPECTIVE A NEWSUNE 22 NEW TECHNOLOGY 55 LEGAL MATTERS NAFTA . . . and a Treasury list of accept Advanced bid invitation Summary trials and catbird seat able sureties available system mini-trials PRESIDENT'S MESSAGE from AGC 45 NEW TECHNOLOGY 54 NEWSMAKERS AGC - Constructor Information Network 10 AGC DIVISION BRIEFS Computerized counsel 57 CUSSIFIEDS 20 NEW TECHNOLOGY 54 INNOVATIONS IN Total bid management PARTNERING 40 EDITORIALS NAFTA and software Kitt Peak Bridge project infrastructure &CONSTRUCTOR/December 1993