B08_Solicitation_(Attachement_2_-_Drawings_-_Buoy_Profile_Helical_Anchor).pdf

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Attached to
PAIS - Replace Buoys and NAV. Signs
Solicitation number
140P6026Q0043
Issued by

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Written by GovTribe AI ·

This document is a technical drawing and data sheet for a regulatory buoy system deployed in Bird Island Basin near Corpus Christi, Texas, as part of the Padre Island National Seashore monitoring program.

The sheet presents a detailed buoy profile schematic showing the structural components of a mooring system, including a sur-mark regulatory buoy, pick-up line and PVC tubing, eye-to-eye mooring anchor swivel, 3-foot elastic rode, midline float, aft shackle connection, and a helical anchor (8-inch diameter, 4-5 feet depth). The accompanying data table documents depth measurements for seven buoys surveyed on October 17, 2024, and April 15, 2025, at Mean Sea Level (MSL), adjusted for tidal variations using NOAA Tides & Currents data from station 8776139 at S. Bird Island, TX. Depths are provided in feet, rounded to two decimal places, with measurements adjusted for tidal datums (MHHW at +1.25 ft and MLLW at -0.66 ft relative to 0 ft MSL). The surveyed depths range from 2.5 to 5.5 feet, with corresponding MSL adjustments and storm surge projections (MSL + 3' Surge) ranging from 4.25 to 7.57 feet. The drawing is identified as Sub Sheet No. C2 of a multi-sheet technical documentation package, dated 25JUN2025, and includes coordinate references for each buoy location in latitude and longitude format.

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BUOY 05 27°27'39.3744"N 97°19'08.0406"W

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BUOY 04 27°27'47.4049"N 97°19'21.9064"W

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BUOY 03 27°28'08.4927"N 97°19'11.1323"W

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BUOY 02 27°28'29.8941"N 97°18'59.4414"W

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BUOY 06 27°28'27.7018"N 97°18'52.8081"W

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BUOY 01 27°28'25.5810"N 97°18'46.7202"W

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MSL

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MSL

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EDGE OF PARKING LOT LINE BIRD ISLAND BASIN CAMPGROUND

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BIRD ISLAND BASIN EDGE PARKING LOT

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ROPE

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PVC TUBING

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PICK-UP LINE

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EYE TO EYE MOORING ANCHOR SWIVEL

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ALT. SHACKLE CONNECTION

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SUR-MARK REGULATORY BUOY

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MIDLINE FLOAT

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SHACKLE

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MSL

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3' ELASTIC RODE

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HELICAL ANCHOR 8 INCH DIA 4 FEET - 5.5 FEET

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DATE:

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DESIGNED:

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TECH. REVIEW:

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SUB SHEET NO.

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PMIS/PKG NO.

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DRAWING NO.

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SHEET

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OF

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TITLE OF SHEET

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BIRD ISLAND BASIN

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BUOY PROFILE

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FLECK N.

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25APR2025

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PADRE ISLAND NATIONAL SEASHORE

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PAIS

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CROSS SECTION (2)

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