REVERSE CURVE TUNNEL | GLENWOOD SPGS, CO | COLORADO DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 50,000 |
LASALLE TUNNELS | HYATTSVILLE, MD | WMATA | CLOSED | 80 MIL REINFORCED PVC | 600,000 |
GREENBELT TUNNELS | COLLEGE PK, MD | WMATA | CLOSED | 80 MIL NON-REINFORCED PVC | 700,000 |
LEHIGH TUNNEL #2 | SLATINGTON, PA | PENNSYLVANIA TURNPIKE. | UMBRELLA | 60 MIL NON-REINFORCED PVC | 390,000 |
HANGING LAKES | COLORADO | COLORADO DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 180,000 |
LAFAYETTE TUNNEL | DULUTH, MN | MINN. DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 85,000 |
SILVER CLIFF TUNNEL | DULUTH, MN | MINN. DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 85,000 |
CUMBERLAND GAP TUNNEL | MIDDLESBORO, KY | US DEPT. OF INTERIOR | UMBRELLA | 60 MIL NON-REINFORCED PVC | 700,000 |
H3 HALAWA TUNNELS | OAHU, HI | HAWAII DOT | UMBRELLA | 80 MIL NON-REINFORCED PVC | 540,000 |
SHOT TOWER TUNNELS | BALTIMORE, MD | MARYLAND TRANS. | CLOSED | 80 MIL NON-REINFORCED PVC AND HDPE | 100,000 |
HOOVER DAM SHAFT | BOULDER CITY, NV | US BUREAU OF RECLAMATION | CLOSED | 60 MIL NON-REINFORCED PVC | 27,000 |
CALUMET TUNNELS | S. HOLLAND, IL | W. REC. DIST OF CHICAGO | CLOSED | 80 MIL NON-REINFORCED PVC | 110,000 |
DART TUNNELS | DALLAS, TX | DALLAS AREA RAPID TRANSIT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 1,000,000 |
B-251 SHAFT | LOS ANGELES, CA | LA METRO | CLOSED | 60 MIL XR5 | 15,000 |
KANAN DUME TUNNEL | MALIBU, CA | PENNSYLVANIA | UMBRELLA | 60 MIL NON-REINFORCED PVC | 20,000 |
LEHIGH TUNNEL REHAB. NO. 1 | SLATINGTON, PA | TURNPIKE COMM. | UMBRELLA | 60 MIL-REINFORCED PVC | 150,000 |
WMATA B11A | WHEATON, MD | WMATA | UMBRELLA | 60 MIL NON-REINFORCED PVC | 500,000 |
GLENMONT STATION | WHEATON, MD | WMATA | UMBRELLA | 100 MIL NON- REINFORCED PVC | 200,000 |
PETWORTH STATION | WASHINGTON, D.C. | WMATA | CLOSED | 100 MIL NON- REINFORCED PVC | 300,000 |
COLUMBIA HEIGHTS | WASHINGTON, D.C. | WMATA | CLOSED | 100 MIL NON- REINFORCED PVC | 300,000 |
14TH STREET TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 80 MIL NON-REINFORCED PVC | 235,000 |
14TH STREET TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 100 MIL NON- REINFORCED PVC | 100,000 |
14TH STREET TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 120 MIL REINFORCED PVC | 110,000 |
PARK ROAD TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 80 MIL REINFORCED PVC | 270,000 |
PARK ROAD TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 100 MIL NON- REINFORCED PVC | 90,000 |
PARK ROAD TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 120 MIL REINFORCED PVC | 130,000 |
H3 TRANS-KOOLAU FINISH CONTRACT | OAHU, HAWAII | HAWAII DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 240,000 |
BUNYARD TUNNELS | FORT SMITH, AR | ARKANSAS DOT | UMBRELLA | 60 MIL NON-REINFORCED PVC | 240,000 |
BERRY ST. TUNNELS | PITTSBURGH, PA | PENN DOT | UMBRELLA | 80 MIL NON-REINFORCED PVC | 150,000 |
CONGRESS HEIGHTS EPBM TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 80 MIL NON-REINFORCED PVC | 230,000 |
CONGRESS HEIGHTS EPBM TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 120 MIL REINFORCED PVC | 90,000 |
CONG. HTS. STA. & NATM TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 80 MIL NON-REINFORCED PVC | 180,000 |
CONG. HTS. STA. & NATM TUNNELS | WASHINGTON, D.C. | WMATA | CLOSED | 100 MIL NON- REINFORCED PVC | 285,000 |
MENDENHALL GLACIER | JUNEAU, AK | USDA | UMBRELLA | 80 MIL NON-REINFORCED PVC | 7,000 |
S. BOSTON PIERS TRANSITWAYCONTRACT SOCN09 | BOSTON, MA | MBTA | CLOSED | 100 MIL NON- REINFORCED PVC | 65,000 |
S. BOSTON PIERS TRANSITWAYCONTRACT SOCN09 | BOSTON, MA | MBTA | CLOSED/PARTIAL | 100 MIL NON- REINFORCED PVC | 300,000 |
S. BOSTON PIERS TRANSITWAYCONTRACT SOCN09 | BOSTON, MA | MBTA | CLOSED/PARTIAL | 80 MIL REINF.- POLYPROPYLENE | 45,000 |
RIO PIEDRAS CONTRACT | RIO PIEDRAS, PR | ACT TREN URBANO | CLOSED | 80 MIL NON-REINFORCED PVC | 150,500 |
RIO PIEDRAS CONTRACT | RIO PIEDRAS, PR | ACT TREN URBANO | CLOSED | 100 MIL NON- REINFORCED PVC | 446,500 |
ST. GEORGE TUNNEL REHABILITATION | NEW YORK, NY | STATEN ISLAND RAPID TRANSIT | CLOSED | 100 MIL NON- REINFORCED PVC | 22,000 |
DULLES AIRPORT WALKBACK TUNNEL | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 80 MIL NON-REINFORCED PVC | 90,000 |
DULLES AIRPORT WALKBACK TUNNEL | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 30,000 |
WEEHAWKEN TUNNEL PROJECT | NORTH BERGEN, NJ | NJ TRANSIT, HUDSON BERGEN LT.RAIL PROJECT | UMBRELLA | 80 MIL NON-REINFORCED PVC | 260,000 |
WEEHAWKEN TUNNEL PROJECT | NORTH BERGEN, NJ | NJ TRANSIT, HUDSON BERGEN LT.RAIL PROJECT | UMBRELLA | 100 MIL NON- REINFORCED PVC | 60,000 |
DULLES AIRPORT WEST UTILITY BUILDING TUNNEL | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 95,000 |
DULLES AIRPORT APM WEST TUNNEL | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 395,000 |
DULLES AIRPORT APM EAST TUNNEL | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 750,000 |
DULLES AIRPORT PEDESTRIAN WALKBACK PACKAGE | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 85,000 |
DULLES AIRPORT TAXI WAY F | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 195,000 |
SOUTH BOSTON PIERS- RUSSIA WHARF | BOSTON, MA | MBTA | CLOSED | 100 MIL NON- REINFORCED PVC | 125,000 |
PATTIKI MINE SHAFT | IL | WHITE COUNTY COAL MINE | CLOSED | 100 MIL NON- REINFORCED PVC | 45,000 |
BEACON HILL STATION | SEATTLE, WA | SOUND TRANSIT | CLOSED | 80 MIL NON-REINFORCED PVC | 295,000 |
NORTH SHORE CONNECTOR NORTH SIDE STATION AND SHELL | PITTSBURGH, PA | PORT AUTHORITY OF ALLEGHENY COUNTY | CLOSED AND OPEN | 100 MIL NON-REINFORCED PVC AND 80 MIL FPO | 205,750 AND 83,900 |
DULLES AIRPORT 4TH RUNWAY | DULLES, VA | METROPOLITAN WASHINGTON AIRPORTS AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 32,400 |
BRIGHTWATER CONVEYANCE SYSTEM CONTROL | KENMORE, WA | KING COUNTY DEPT OF NATURAL RESOURCES AND PARKS WASTEWATER TREATMENT DIVISION | CLOSED | 80 MIL NON-REINFORCED PVC | 27,540 |
HARLEM RIVER TUNNEL | BRONX, NY | CON EDISON | CLOSED | 100 MIL NON- REINFORCED PVC | 84,500 |
NORTH SHORE CONNECTOR GATEWAY STATION SHELL | PITTSBURGH, PA | PORT AUTHORITY OF ALLEGHENY COUNTY | CLOSED | 100 MIL NON- REINFORCED PVC | 93,000 |
DEVILS SLIDE TUNNEL | MONTARA, CA | STATE OF CA DEPT OF TRANSPORTATI ON (CALTRANS) | OPEN | 80 MIL NON-REINFORCEDAND 80 MIL REINFORCED PVC | 710,000 AND 31,100 |
NO. 7 (FLUSHING) LINE EXTENSION 34TH ST. STATION | NEW YORK, NY | MTACC/NYCTA | OPEN | 100 MIL NON- REINFORCED PVC | 330,600 |
DULLES CORRIDOR METRORAIL TUNNELS | TYSONS CORNER, VA | MWAA/DTP | CLOSED | 100 MIL NON- REINFORCED PVC | 213,100 |
NO. 7 (FLUSHING) LINE EXTENSION SITE L VENTILATION STRUCTURE AND CROSS PASSAGE | NEW YORK, NY | MTACC/NYCTA | CLOSED | 80 MIL NON-REINFORCED PVC | 68,800 |
SECOND AVENUE SUBWAY RT. 132A TUNNELS 92ND TO 63RD STS. | NEW YORK, NY | MTACC/NYCTA | CLOSED | 80 MIL NON-REINFORCED PVC | 365,800 |
EAST SIDE ACCESS MANHATTAN TUNNELS CONTRACT CM009 | NEW YORK, NY | MTACC/LIRR | CLOSED | 100 MIL NON- REINFORCED PVC | 324,400 |
EAST SIDE ACCESS MANHATTAN STRUCTURES 1 CONTRACT CM019 | NEW YORK, NY | MTACC/LIRR | OPEN AND CLOSED | 100 MIL NON- REINFORCED PVC | 310,800 |
CALDECOTT 4TH BORE TUNNEL | ORINDA/OAKLA ND, CA | CALTRANS | OPEN | 80 MIL NON-REINFORCED PVC | 397,000 |
UNIVERSITY LINK LIGHT RAIL CONTRACT U220 | SEATTLE, WA | SOUND TRANSIT | CLOSED | 80 MIL NON-REINFORCED PVC | 19,000 |
UNIVERSITY LINK LIGHT RAIL CONTRACT U230 | SEATTLE, WA | SOUND TRANSIT | OPEN AND CLOSED | 100 AND 80 MIL NON- REINFORCED PVC | 69,000 AND 5,000 |
EASTLAKE TUNNEL | SEATTLE, WA | TURNER CONSTRUCTIO N | CLOSED | 100 MIL NON- REINFORCED PVC | 3,500 |
SECOND AVENUE SUBWAY 72ND ST. STATION CONTRACT C-26007 | NEW YORK, NY | MTACC/NYCTA | CLOSED | 100 MIL NON- REINFORCED PVC | 540,300 |
EAST SIDE ACCESS CONTRACT CQ039 | LONG ISLAND CITY, NY | MTACC/NYCTA | CLOSED | 100 MIL NON- REINFORCED PVC | 19,625 |
EAST SIDE ACCESS CONTRACT CM004 | NEW YORK, NY | MTACC/NYCTA | OPEN | 100 MIL NON- REINFORCED PVC | 2,500 |
PORT OF MIAMI TUNNELS | MIAMI, FL | FLORIDA DOT | CLOSED | 100 MIL NON- REINFORCED PVC | 9,760 |
BILLY BISHOP TUNNEL | TORONTO, CANADA | TORONTO PORT AUTHORITY | CLOSED | 100 MIL NON- REINFORCED PVC | 61,050 |
2ND AVE SUBWAY 86TH ST. STATION CONTRACT C-26001 | NEW YORK, NY | MTACC/NYCTA | OPEN AND CLOSED | 100 MIL NON- REINFORCED PVC | 455,000 |
BLUE PLAINS SHAFT | WASHINGTON, DC | DC WATER | CLOSED | 100 MIL NON- REINFORCED PVC | 86,000 |
EAST SIDE ACCESS CONTRACT CM013 50TH ST. VENT STRUCTURE | NEW YORK, NY | MTACC/LIRR | OPEN | 100 MIL NON- REINFORCED PVC | 23,300 |
UNIVERSITY LINK LIGHT RAIL CONTRACT U240 | SEATTLE, WA | SOUND TRANSIT | CLOSED | 100 MIL NON- REINFORCED PVC | 111,000 |
THIRD STREET LIGHT RAIL PROGRAM PHASE 2- CENTRAL SUBWAY TUNNELING CONTRACT NO. 1252 | SAN FRANCISCO, CA | SAN FRANCISCO MUNICIPAL TRANSPORTATI ON AGENCY | CLOSED | 100 MIL NON- REINFORCED PVC | 6,200 |
SECOND AVENUE SUBWAY 72ND ST. STATION FINISHES CONTRACT C-26011 | NEW YORK, NY | MTACC/NYCTA | OPEN AND CLOSED | 100 MIL NON- REINFORCED PVC | 99,000 AND 14,000 |
SECOND AVENUE SUBWAY 86TH ST. STATION FINISHES CONTRACT C-26012 | NEW YORK, NY | MTACC/NYCTA | OPEN | 100 MIL NON- REINFORCED PVC | 88,000 |
SECOND AVENUE SUBWAY 96TH ST. STATION CONTRACTS C-26005 & C-26010 | NEW YORK, NY | MTACC/NYCTA | OPEN AND CLOSED | 100 MIL NON- REINFORCED PVC | 34,000 AND 200,000 |
EAST SIDE ACCESS CONTRACT CM013A 55TH ST. VENT STRUCTURE | NEW YORK, NY | MTACC/NYCTA | OPEN AND CLOSED | 100 MIL NON- REINFORCED PVC | 34,000 AND 36,000 |
LINCOLN SQUARE EXPANSION TUNNEL | BELLEVUE, WA | LS2 GARAGE, LLC | OPEN | 100 MIL NON- REINFORCED PVC | 2,200 |
OHIO RIVER BRIDGES PROJECT TWO 2-LANE ROAD TUNNELS | LOUISVILLE, KY | WVB EAST END PARTNERS, LLC | OPEN | 100 MIL NON- REINFORCED PVC | 360,000 |
FIRST STREET TUNNEL (SHAFT LID) CONTRACT 120230 | WASHINGTON, DC | DC WATER | CLOSED | 100 MIL NON- REINFORCED PVC | 4,500 |
NORTHGATE LINK EXTENSION CONTRACT N125 | SEATTLE, WA | SOUND TRANSIT | OPEN AND CLOSED | 80 MIL NON-REINFORCED FPO AND 100 MIL NON- REINFORCED PVC | 2,000 AND 30,000 |
EAST SIDE ACCESS CONTRACT CM006 | NEW YORK, NY | MTACC/NYCTA | OPEN | 100 MIL NON- REINFORCED PVC | 950,000 |
NEW EMERGENCY VENT PLANT CONTRACT E31292 | LONG ISLAND CITY, NY | MTACC/NYCTA | CLOSED | 100 MIL NON- REINFORCED PVC | 38,500 |