Plans Tangier Island Jetty.pdf
PDF 2 MB Posted
- Attached to
- Jetty Construction located on Tangier Island, VA
- Solicitation number
- W9123620B5000
About this file
This document package includes federal construction contract plans and specifications for a jetty construction project on Tangier Island, Virginia, as well as information on an associated upcoming contract opportunity.
The construction plans detail the scope of work for building approximately 685 feet of jetty structure along the northern channel entrance on the west side of Tangier Island. The project includes placing various classes of stone, marine mattresses, geotextile fabric, and excavated material. Approximately 260 feet of the structure will be on land in a marsh/shoreline area and 425 feet will be in deeper water. Additional requirements include use of a turbidity curtain or AquaDam during construction. The contract opportunity will be an unrestricted, firm fixed price invitation for bid solicited by the Norfolk District of the U.S. Army Corps of Engineers. The estimated value is between $1-5 million. The NAICS code is 237990 and small business size standard is $39.5 million. Liquidated damages will be assessed at $1,007 per day.
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US Army Corps of Engineers ®
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TANGIER ISLAND JETTY PROJECT
CAP SECTION 107
PLANS FOR CONSTRUCTION
ACCOMACK COUNTY, VIRGINIA
100% BCOES Submittal
US Army Corps of Engineers
Norfolk District
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DENOTES BORING LOCATIONS
GENERAL NOTES: : SURVEY (HYRDOGRAPHIC AND TOPOGRAPHIC) are in feet referred to NOS MLLW and were taken on January 26, 2019. MEAN LOWER LOW WATER (MLLW), National Tidal Datum Epoch (NTDE) of 1983-2001, was determined by the National Ocean Service (NOS) at Tangier Island, Virginia. MEAN RANGE OF TIDE is 1.43 feet at Tangier Island, Virginia, based on NOS observations, NTDE 1983-2001 COORDINATES are referred to the Virginia State Plane Coordinate System, South Zone in U.S. survey feet, and are based on the North American Datum of 1983. PLANIMETRIC FEATURES were developed by stereo-photogrammetric methods from aerial photos flown on 2001 by Earth Data.
© 2019 Microsoft Corporation © 2019 DigitalGlobe ©CNES (2019) Distribution Airbus DS © 2019 HERE of Engineers ®
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AutoCAD SHX Text N 3836261.37 E 12205239.06
AutoCAD SHX Text Green Beacon No. 3 (Fl G)
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AutoCAD SHX Text NOTE: : 1. THE CONTOURS SHOWN ON THIS SHEET ARE OF EXISTING CONDITIONS. SEE SHEET THE CONTOURS SHOWN ON THIS SHEET ARE OF EXISTING CONDITIONS. SEE SHEET C-102 FOR INFORMATION ON RECENT SURVEY. 2. PLEASE SEE SHEETS C-107 AND C-108 FOR ALIGNMENT ON CROSS-SECTIONS.PLEASE SEE SHEETS C-107 AND C-108 FOR ALIGNMENT ON CROSS-SECTIONS.
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AREA FOR AQUA DAM AND/OR TURBIDITY CURTAIN (TYPE III)
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PLACEMENT AREA
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PLACEMENT AREA
*PLAN VIEW OF PLACEMENT AREA
TYPICAL JETTY CROSS-SECTION
STA: 0+00 TO 3+49
TYPICAL JETTY CROSS-SECTION
STA: 3+49 TO 7+75
TYPICAL JETTY CROSS-SECTION
US Army Corps of Engineers ®
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NOS MLLW=0
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MLW=0.1'
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MHW=1.53'
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EXISTING GROUND
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HORIZONTAL SCALE
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VERTICAL SCALE
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NOS MLLW=0
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MLW=0.1'
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NAVD 88= 1.08'
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MHW=1.53'
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NAVD 88= 1.08'
AutoCAD SHX Text MARINE MATTRESS (12" THICK) FILL WITH 2" TO 6" STONE W/ GEOTEXTILE AT BOTTOM OF MATTRESS
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PROPOSED JETTY ELEVATION
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(TOP OF CREST)
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EXISTING GROUND
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CREST ELEV. 4.7' MLLW
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CREST ELEV. 3.5' NAVD88
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PROPOSED JETTY ELEVATION
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(TOP OF CREST)
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CREST ELEV. 4.7' MLLW
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EXISTING
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GROUND
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PROPOSED JETTY ELEVATION
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(TOP OF CREST)
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SECTION B
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SECTION C
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CLASS III STONE
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MIN 500 LB TO
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1500 LB CORE STONE
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TYPE 1 STONE
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1,500 TO 4,000 LB.
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ARMOR STONE
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PLACEMENT
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SITE
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CREST ELEV. MAX
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HEIGHT 0.0'
AutoCAD SHX Text MARINE MATTRESS (12" THICK) FILL WITH 2" TO 6" STONE W/ GEOTEXTILE AT BOTTOM OF MATTRESS
AutoCAD SHX Text MARINE MATTRESS (12" THICK) FILL WITH 2" TO 6" STONE W/ GEOTEXTILE AT BOTTOM OF MATTRESS
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NOS MLLW=0
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MLW=0.1'
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MHW=1.53'
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NAVD 88= 1.08'
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TYPE 1 STONE 1,500 TO 4,000 LB. ARMOR STONE
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TYPE 1 STONE 1,500 TO 4,000 LB. ARMOR STONE
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CLASS III STONE MIN 500 LB TO 1500 LB CORE STONE
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CREST ELEV. 3.5' NAVD88
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SCALE IN FEET
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CREST ELEV. 4.7' MLLW CREST ELEV. 3.5' NAVD88
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CREST ELEV. -1.3' MLLW CREST ELEV. -2.5' NAVD88
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CREST ELEV. -1.3' MLLW CREST ELEV. -2.5' NAVD88
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SCALE: AS SHOWN
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SCALE: AS SHOWN
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PLAN VIEW OF JETTY
TYPICAL JETTY CROSS-SECTION
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CLASS III STONE
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MIN 500 LB TO
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1500 LB CORE STONE
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GEOTEXTILE FABRIC
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EXISTING GROUND
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NOS MLLW=0
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MLW=0.1'
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MHW=1.53'
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NAVD 88=1.08'
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SCALE IN FEET
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TOP OF TOE -5.3' MLLW
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TYPE 1 STONE 1,500 TO 4,000 LB. ARMOR STONE
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CREST ELEV. 4.7' MLLW NAVD88 3.5'
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MARINE MATTRESS (12" THICK) FILL WITH 2" TO 6" STONE
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CREST ELEV. -1.3' MLLW CREST ELEV. -2.5' NAVD88
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SCALE IN FEET
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SCALE: AS SHOWN
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SCALE: AS SHOWN
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AREA FOR AQUA DAM AND/OR TURBIDITY CURTAIN (TYPE III)
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PLACEMENT AREA
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PROPOSED JETTY
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US Army Corps of Engineers ®
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INDICATES BODKIN CONNECTION USING 3/8" DIAMETER HDPE BODKIN ROD
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INDICATES BRAIDED SEAM USING 3/16" DIAMETER HIGH UV HDPE BRAID
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%%UTYPICAL CONFIGURATION OF FILLED MATTRESS UNITS
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%%UTYPICAL STITCHED SEAM DETAILS
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BRAID
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GEOGRID
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%%UTYPICAL CONFIGURATION OF FABRICATED MATTRESS
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%%UEXPANDED SECTION
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%%UAT DIAPHRAGM
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AutoCAD SHX Text TYPICAL SPACING OF DIAPHRAGMS IS EVERY THREE APERTURE LENGTHS. A SHORTER SPACING MAY BE USED IN ORDER TO MATCH THE REQUIRED MATTRESS LENGTH. LENGTH OF END PIECES AND INTERNAL DIAPHRAGM PIECES SHALL BE: FOR 12" (FILLED) MATTRESS THICKNESS: 2 GRID APERTURES LONG; FOR 18" (FILLED) MATTRESS THICKNESS: 3 GRID APERTURES LONG; FOR 24" (FILLED) MATTRESS THICKNESS: 4 GRID APERTURES LONG.
AutoCAD SHX Text SEE TYPICAL CONFIGURATION OF FILLED MATTRESS FOR ADDITIONAL DIMENSIONS AND MATERIAL TYPES.
AutoCAD SHX Text ALL 3/8" DIA BODKINS RODS INSTALLED (TOP AND BOTTOM OF MATTRESS) AND SECURED IN POSITION
AutoCAD SHX Text GEOGRID TABS BEYOND EACH END OF MATTRESS FOR TENSIONING AND LIFTING. ADD TO EACH END OF TOP AND BOTTOM: 2 FULL APERTURES FOR 12" THICKNESS; 3 FULL APERTURES FOR 18" THICKNESS 4 FULL APERTURES FOR 24" THICKNESS.
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ONE EDGE OF EACH SIDE PIECE BRAIDED TO UNIT
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MACHINE / ROLL DIRECTION OF UX GRID FOR TOP, BOTTOM, AND SIDES.
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MACHINE / ROLL DIRECTION OF UX GRID FOR ENDS AND DIAPHRAGMS.
AutoCAD SHX Text WIDTH OF GRID PIECE USED TO FORM EACH SIDE SHALL BE EQUAL TO FILLED THICKNESS OF MATTRESS
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TOP GRID
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END OF DIAPHRAGM GRID
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BOTTOM GRID
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3/8" BODKIN ROD
AutoCAD SHX Text ALL CUT ENDS OF BRAID MATERIAL SHALL BE KNOTTED WITHIN 1/2" TO 2" OF THE END TO PREVENT RAVELING OF BRAID. AT ALL ENDS OF ALL BRAIDED SEAMS THE BRAID SHALL BE SECURELY KNOTTED TO THE GEOGRID. AT ALL ENDS OF ALL PIECES OF BRAID MATERIAL USED, THE BRAID SHALL BE KNOTTED TO SPLICE IT TO THE NEXT PIECE OF BRAID, OR TO SECURE IT TO THE GEOGRID. EACH BRAIDED SEAM SHALL BE CONTINUOUS, WITH SECURELY KNOTTED SPLICES ALLOWED. THE BRAID SHALL BE SECURELY KNOTTED TO THE GEOGRID AT A SPACING NOT TO EXCEED 6 FT ALONG ANY SEAM. THE BRAID SHALL BE STITCHED THROUGH EACH PAIR OF APERTURES ALONG THE SEAM AT LEAST ONCE, AND THE MINIMUM NUMBER OF STITCHES PER FOOT ALONG THE SEAM SHALL BE SIX (6). THE SPACING OF STITCHES ALONG EACH SEAM SHALL BE REASONABLY UNIFORM. ALL KNOTS SHALL BE TIED IN A MANNER TO PREVENT SLIPPING AND CINCHING. THE WRAPS ALONG THE SEAM SHALL BE SUFFICIENTLY TIGHT TO CLOSE THE GAP BETWEEN THE ADJACENT PIECES OF GEOGRID, BUT SHALL NOT BE OVER-TIGHTENED SUCH THAT THE GEOGRID BINDS ALONG THE SEAM.
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VERTICAL SEAM, TYPICAL AT THE 4 CORNERS
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STONE FILL
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END
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DIAPHRAGM
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SIDE
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BOTTOM
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TOP
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LIFTING TAB (TYP.)
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GEOGRID LIFTING TABS ON EACH END BEYOND FILLED PORTION OF MATTRESS
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20' TO 30' TYP. (FILLED PORTION) WITH 12" MATTRESS THICKNESS
AutoCAD SHX Text ENDS, TOP, BOTTOM, SIDES AND ANY EXTRA LENGTH USED FOR LIFTING OR ANCHORING PURPOSES SHALL BE COMPOSED OF TENSAR UXTRITON 200 GEOGRID. INTERNAL DIAPHRAGMS SHALL BE COMPOSED OF TENSAR UXTRITON 100 GEOGRID. NOMINAL WIDTH OF UNITS: 5FT (FILLED), 4.3 FT (UNFILLED). TYPICAL THICKNESS (FILLED): 12 INCHES; OPTIONAL THICKNESS: 18 INCHES OR 24 INCHES. PLASTIC CABLE TIES MAY BE USED TO SECURE BODKIN CONNECTORS IN POSITION PRIOR TO TENSIONING OR FILLING OF MATTRESS UNITS. ATTACHED GEOTEXTILE TO THE BOTTOM OF THE GEOGRID REFER TO SPECIFICATION SECTION 35 42 35 POLYMERIC MARINE MATTRESS FOR MORE INFORMATION.
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NOT TO SCALE
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NOT TO SCALE
NOT TO SCALE
| Sheets and Views |
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| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-102 |
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| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-104 |
| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-105 |
| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-106 |
| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-107 |
| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-108 |
| Tangier Island Jetty - Section107_100% Submittal Drawings_REV-C-109 |
File details come from the government source that posted it. Updated .