Attachment 2 Drawings Revised.pdf

PDF 4 MB Posted

Attached to
Pine Creek Watershed Site 18, Lamar County, TX Federal contract opportunity
Solicitation number
12FPC323B0013
Issued by
Department of Agriculture Under Secretary for Farm Production and Conservation

About this file

This document package includes construction drawings and specifications for repair work at a floodwater retaining structure site for the Natural Resources Conservation Service. The drawings depict plans, profiles, sections and details for repairs to the principal spillway and earthen embankments including excavation and placement of rock riprap, construction of a rock armored plunge basin and new watering ramps. The related federal contract opportunity is a solicitation from the Department of Agriculture seeking contractors to perform the repair work according to the provided drawings and specifications at Pine Creek Watershed Site 18 in Lamar County, Texas. The solicitation number and opportunity information are included.

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Text version

Na tu ra l R es ou rc es

Co ns er va tio n

Se rv ice

U ni te d

St at es D ep ar tm en t of

Ag ric ul tu re

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5:1 OR FLATTER

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SHEET NO.

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DRAWING NO.

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DESIGNED BY:

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DRAWN BY:

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CHECKED BY:

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FILE NAME:

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DATE CHECKED:

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OF

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DATE

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REVISIONS

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APPROVED

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TITLE

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PLUNGE BASIN PLAN AND PROFILE

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FLOODWATER RETARDING STRUCTURE SITE NO. 18 - REPAIR

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PINE CREEK

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LAMAR COUNTY, TEXAS

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GEG

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GEG, MD

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DLL, DDW, SWI

AutoCAD SHX Text Pine Creek 18 Rockwork FINAL REV.dwg

AutoCAD SHX Text 9/15/2023

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TX-EN-0820

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AutoCAD SHX Text V:\Watershed Project Designs\Watershed Site Repairs\Pine Creek\Pine Creek 18\Drawings 18\Final Drawings Gary 2023\Pine Creek 18 Rockwork FINAL REV.dwg

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IN

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AutoCAD SHX Text Friday, September 15, 2023 1:50:37 PM

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%%UPRINCIPAL SPILLWAY OUTLET PLAN VIEW

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SCALE IN FEET

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%%UPRINCIPAL SPILLWAY OUTLET PROFILE VIEW

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HORZ:VERT = 1:1

AutoCAD SHX Text THE GEOMETRY AND LINES SHOWN SHALL BE ADJUSTED TO BEST FIT TOPOGRAPHIC CONDITIONS THAT EXIST AT THE TIME OF CONSTRUCTION. FINAL LAYOUT AND EXTENTS SHALL BE APPROVED BY THE ENGINEER.

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INCHES

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SIZE OF ROCK

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% SMALLER

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BY WEIGHT

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AutoCAD SHX Text WASTE AREA NOTES: 1. MATERIAL EXCAVATED TO CONSTRUCT THE ROCK ARMORING SHALL BE WASTED MATERIAL EXCAVATED TO CONSTRUCT THE ROCK ARMORING SHALL BE WASTED IN THE AREA SHOWN ON SHEET 2 OR AS APPROVED BY THE ENGINEER. 2. THE EXCAVATED MATERIAL SHALL BE SHAPED TO FORM THE MINIMUM THE EXCAVATED MATERIAL SHALL BE SHAPED TO FORM THE MINIMUM DIMENSIONS SHOWN IN THE PROFILE & SECTION VIEWS OR USED TO REPAIR AREAS DESIGNATED FOR SHAPING AND SMOOTHING REPAIR. FLATTER SIDE SLOPES OR A WIDER TOP WIDTH SHALL BE ACCEPTABLE AS LONG AS IT IS APPROVED BY THE ENGINEER. 3. THE WASTE AREA SHALL FOLLOW THE GENERAL GRADE OF THE EXISTING THE WASTE AREA SHALL FOLLOW THE GENERAL GRADE OF THE EXISTING GROUND. 4. IN ADDITION TO THE WASTE AREA INDICATED, THE EXCAVATED MATERIALS IN ADDITION TO THE WASTE AREA INDICATED, THE EXCAVATED MATERIALS SHALL BE USED TO CONSTRUCT THE STUB DIVERSION AT THE APPROXIMATE LOCATIONS SHOWN ON SHEET 2. 2. . 5. THE STUB DIVERSIONS SHALL HAVE A 13 FT. MINIMUM BASE WIDTH, 3:1 SIDE THE STUB DIVERSIONS SHALL HAVE A 13 FT. MINIMUM BASE WIDTH, 3:1 SIDE SLOPES, AND AN 18" MINIMUM HEIGHT. THE DIVERSION HEIGHT MAY BE SECURED BY GRADING A CHANNEL ACROSS HIGH POINTS TO REDUCE THE HEIGHT OF FILL REQUIRED IN LOW AREAS. WHERE A CHANNEL SECTION IS REQUIRED, THE MINIMUM BOTTOM WIDTH OF THE CHANNEL SHALL BE 12 FT. (SEE CONSTRUCTION SPECIFICATION 27).

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BLEND WITH EXISTING NG OUTLET CHANNEL

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GEOTEXTILE (18" ANCHOR)

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%%UWATERING RAMP DETAIL

AutoCAD SHX Text NOTE 1. WATERING RAMP SIDE SLOPES SHALL BE 2:1 OR WATERING RAMP SIDE SLOPES SHALL BE 2:1 OR FLATTER.

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OR TO CHANNEL

AutoCAD SHX Text GRAVEL OR CRUSHED ROCK: HARD AND DURABLE, GRADATION MUST BE REASONABLY WELL GRADED WITH LARGER (1.5" TO 3") AGGREGATE UNIFORMLY DISTRIBUTED AND SMALLER AGGREGATE FILLING VOIDS. MAX AGGREGATE SIZE NOT TO EXCEED 3 INCHES.

AutoCAD SHX Text NOTE: 1. PLACE GEOTEXTILE BETWEEN THE ROCK AND THE APPROVED SUBGRADE. PLACE GEOTEXTILE BETWEEN THE ROCK AND THE APPROVED SUBGRADE. GEOTEXTILE SHALL BE NON-WOVEN AND MEET THE REQUIREMENTS OF CONSTRUCTION SPECIFICATION 95 AND MATERIAL SPECIFICATION 592.

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STA. 2+28.4 EL. 426.2

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EXISTING BEDDING

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EXISTING ANTI-SEEP COLLAR

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EXISTING 30" PRINCIPAL SPILLWAY CONDUIT

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COMPACTED EARTHFILL

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FINISHED 2.5:1 GRADE

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EXCAVATION

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ROCK RIPRAP PLUNGE BASIN

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SEE CUTOFF DETAIL

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NEW WATERING RAMP

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CLEAR BRUSH, TREES AND TRANSITION TO NATURAL CHANNEL

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EXISTING CONCRETE PIPE SUPPORT

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STA. 2+28.4 N:7356681.66 E:2897179.83

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6" STRIPPING

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EXCAVATION

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FINISHED GRADE

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EARTHFILL

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NEW FENCE

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ROCK ARMORED PLUNGE BASIN

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NEW WATERING RAMPS

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APPROX. FILL LIMITS

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GEOTEXTILE WITH 18" ANCHORS

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APPROX. EXCAVATION LIMITS

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SEE TYPICAL CHANNEL CROSS SECTION DETAIL THIS SHEET

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SEE SHEET 5 FOR NEW FENCE EXTENTS

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SEE SHEET 5 FOR NEW FENCE EXTENTS

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ROCK EXTENSION TO PROTECT FROM BURROWING ANIMALS

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STA. 2+83.2 S.G. EL. 413.2EL. 413.2

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STA. 3+24.8 S.G. EL. 396.6EL. 396.6

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STA. 3+45.5 S.G. EL. 396.6EL. 396.6

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STA. 3+70.6 S.G. EL. 405.0EL. 405.0

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STA. 2+93.8

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STA. 3+82.7

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STA. 4+40.0 EL. 402.5

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STA. 4+60.1 S.G. EL. 405.3EL. 405.3

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EXISTING 30" PRINCIPAL SPILLWAY

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WATERING RAMP

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DLL, SWI

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REV 1

Attachment 2 Drawings
PC18 Sheet 2 Final REV1.pdf
Sheets and Views
pc18 plan and profile

File details come from the government source that posted it. Updated .