B08_Attach_2_Plans_0002.pdf

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Attached to
Meadowood Thrush Loop Trail Culvert Replacement Federal contract opportunity
Solicitation number
140L0123Q0029
Issued by
Department of the Interior Bureau of Land Management National Office

About this file

This package includes construction drawings and specifications for replacing an existing culvert on the Meadowood Thrush Loop Trail. The project involves removing the deteriorating reinforced concrete pipe culvert and wooden retaining walls, and replacing it with a larger pipe-arch culvert to allow better water flow beneath the trail. Key details include replacing the existing 2-6 foot diameter 8 foot long concrete pipes with a single 6'9" x 4'11" pipe-arch culvert. Drawings show the existing conditions, proposed improvements including placement of creek bed simulation material inside the culvert, construction details for the pipe arch, and sediment and erosion control plans.

The related federal contract opportunity is a solicitation from the Department of the Interior Bureau of Land Management seeking replacement of the Meadowood Thrush Loop Trail culvert located at the Meadowood Recreational Area. The solicitation number is 140L0123Q0029 and is for construction in accordance with the plans and specifications provided.

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Other files attached to Meadowood Thrush Loop Trail Culvert Replacement, newest first.
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B08_Attach_3_WD_VA20220116_0002.pdf PDF
B08_Attach_4_Pricing_Worksheet_0002.xlsx XLSX spreadsheet
B08_Attach_1__SOW_0002.pdf PDF
Sol_140L0123Q0029_Amd_0002.pdf PDF
B09_1442_Continuation_Documents-Revised_18July2023_0001.pdf PDF
Sol_140L0123Q0029_Amd_0001.pdf PDF
B09_Attach_5_Site_Visit_Sign-in_Sheet_0001.pdf PDF
Sol_140L0123Q0029.pdf PDF

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DRAWING INDEX

DRAWING NO. DRAWING TITLE

T-1 TITLE SHEET

C-1

EXISTING CONDITIONS AND

DEMOLITION

C-2 PROPOSED IMPROVEMENTS

C-3 PIPE-ARCH CULVERT DETAIL

C-4 LONG PROFILE DETAIL

C-5 S&E PLAN

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AutoCAD SHX Text UNITED STATES DEPARTMENT OF THE INTERIOR Bureau of Land Management Northern States District - Eastern States

AutoCAD SHX Text PROJECT DESCRIPTION THE PROJECT INVOLVES THE REMOVAL OF THE DETERIORATING REINFORCED CONCRETE PIPE CULVERT (2-6 FT. DIAM. 8 FT.) WOODEN RETAINING WALLS, AND EMBANKMENT FILL OVER TOP. THE EXISTING CULVERT WILL BE REPLACED WITH A PIPE-ARCH CULVERT (6'9" X 4'11") TO ALLOW FOR BETTER FLOW OF WATER THROUGH, WHILE SUPPORTING THE EQUESTRIAN TRAIL ABOVE. GENERAL NOTES 1. NO DEVIATIONS FROM THE PROJECT PLANS OR NO DEVIATIONS FROM THE PROJECT PLANS OR SPECIFICATIONS ARE ALLOWED WITHOUT PRIOR WRITTEN APPROVAL FROM THE CONTRACTING OFFICER (CO). 2. IN CASE OF A DISCREPANCY ON THESE IN CASE OF A DISCREPANCY ON THESE DRAWINGS, OR BETWEEN THESE DRAWINGS AND CONDITIONS IN THE FIELD, THE MORE STRINGENT REQUIREMENT MUST BE MET. REPORT ANY DISCREPANCY TO THE CONTRACTING OFFICER REPRESENTATIVE (COR) PRIOR TO ACTION. 3. THE CONTRACTOR MUST PROVIDE THE COR AND THE CONTRACTOR MUST PROVIDE THE COR AND GOVERNMENT WITH REDLINED DRAWINGS FOR AS-BUILT INFORMATION. AS BUILT INFORMATION MUST INCLUDE, BUT IS NOT LIMITED TO, REVISIONS TO SITE LAYOUT DEPICTED IN THE PLANS. 4. THE CONSTRUCTION SEQUENCE AND PROCEDURE THE CONSTRUCTION SEQUENCE AND PROCEDURE FOR INSTALLATION OF THE STRUCTURE SHALL BE PER MANUFACTURE'S RECOMMENDATIONS. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE CONTRACTOR SHALL BE RESPONSIBLE FOR SECURING AND CLOSING OFF THE WORK AREA. SEQUENCE OF EROSION AND SEDIMENT CONTROL MEASURES IMPLEMENTATION 1. ALL EROSION CONTROL MEASURES, INCLUDING ALL EROSION CONTROL MEASURES, INCLUDING CREEK FLOW BY-PASS AND EROSION PROTECTION, SHALL BE APPROVED IN WRITING BY COR PRIOR TO START OF CONSTRUCTION. 2. WHERE USED IN APPROVED EROSION CONTROL WHERE USED IN APPROVED EROSION CONTROL PLAN, STRAW BALES AND WATTLES SHALL BE CERTIFIED WEED FREE. 3. THE IMPLEMENTATION, CONSTRUCTION, AND THE IMPLEMENTATION, CONSTRUCTION, AND MAINTENANCE OF EROSION CONTROL SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR UNTIL ALL CONSTRUCTION IS COMPLETED. 4. EROSION CONTROL SHALL BE CONSTRUCTED AND EROSION CONTROL SHALL BE CONSTRUCTED AND INSTALLED PRIOR TO ANY SOIL DISTURBANCE AND IN CONJUNCTION WITH ALL CLEARING AND GRUBBING ACTIVITIES AND IN SUCH A MANNER AS TO INSURE THAT SEDIMENT AND SEDIMENT LADEN WATER DO NOT ENTER THE DRAINAGE SYSTEM OR VIOLATE APPLICABLE WATER STANDARDS. 5. THE EROSION CONTROL FACILITIES SHALL BE THE EROSION CONTROL FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED AS NECESSARY. DEMOLITION NOTES 1. THE CONTRACTOR IS REMINDED THAT THE THE CONTRACTOR IS REMINDED THAT THE EROSION AND SEDIMENT CONTROL MEASURES INDICATED ON THESE DRAWINGS ARE ONLY THE MINIMUM REQUIREMENTS AND THAT CONTROL OF EROSION AND SEDIMENT IS AN ONGOING REQUIREMENT OF THE CONTRACT, FROM THE TIME OF INITIAL MOBILIZATION AND DISTURBANCE UNTIL THE FINAL STABILIZATION AND DEMOBILIZATION. THE CONTRACTOR MUST INCLUDE IN THE BASE BID NOT ONLY THE INITIAL INSTALLATION OF ALL CONTROL MEASURES NOTED ON THESE DRAWINGS BUT ALSO THE MAINTENANCE AND REHABILITATION OF THE MEASURES AND ANY ADDITIONAL MEASURES AS REQUIRED. THE CONTRACTOR IS RESPONSIBLE FOR COMPLIANCE WITH ALL TYPICAL REQUIREMENTS VIRGINIA NPDES PROGRAM WHETHER A PERMIT IS REQUIRED OR NOT. 2. ANY DAMAGE OUTSIDE OF THE WORK AREA AT ANY DAMAGE OUTSIDE OF THE WORK AREA AT THE MEADOWOOD RECREATIONAL AREA RESULTING FROM CONTRACTOR'S ACTIONS MUST BE REPAIRED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE GOVERNMENT. THE CONTRACTOR MUST SUBMIT, TO THE COR, A PRE-WORK REPORT DETAILING ANY EXISTING DAMAGED OR DETERIORATED FEATURES IDENTIFIED PRIOR TO THE START OF WORK. FAILURE TO SUBMIT SUBMIT SUCH REPORT IS INTERPRETED AS ASSUMPTION OF NO DAMAGED OR DETERIORATED FEATURES, AND ANY SUCH DAMAGES DISCOVERED DURING FINAL INSPECTION WILL REQUIRE CORRECTION AT NO ADDITIONAL COST. FINAL SITEWORK 1. UPON COMPLETION OF CONSTRUCTION BUT PRIOR UPON COMPLETION OF CONSTRUCTION BUT PRIOR TO FINAL ACCEPTANCE, ALL CONSTRUCTION WASTE AND DEBRIS MUST BE REMOVED FROM THE SITE UNLESS OTHERWISE SPECIFIED.

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AutoCAD SHX Text NOTES: 1) EXISTING REINFORCED CONCRETE PIPES EXISTING REINFORCED CONCRETE PIPES (2 SEGMENTS) TO BE EXCAVATED AND REMOVED FROM SITE. 2) WOODEN RETAINING WALLS TO BE WOODEN RETAINING WALLS TO BE REMOVED. 3) PRESERVE AND PROTECT EXISTING TREES PRESERVE AND PROTECT EXISTING TREES AROUND THE SITE TO THE MAXIMUM EXTENT POSSIBLE. TREES TO BE REMOVED WILL BE MARKED IN FIELD. 4) MAINTAIN EXISTING SKEW BETWEEN TRAIL MAINTAIN EXISTING SKEW BETWEEN TRAIL AND CULVERT AS BEST POSSIBLE TO RETAIN CREEK'S FLOW PATH.

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AutoCAD SHX Text NOTES: 1) ALIGNMENT FOR NEW PIPE ARCH TO ALIGNMENT FOR NEW PIPE ARCH TO MATCH EXISTING CREEK CONDITIONS. 2) PLUNGE POOL ON OUTLET SIDE TO BE PLUNGE POOL ON OUTLET SIDE TO BE FILLED USING CREEK BED SIMULATION MATERIAL. 3) PRESERVE AND PROTECT EXISTING PRESERVE AND PROTECT EXISTING TREES AROUND THE SITE TO THE MAXIMUM EXTENT POSSIBLE. TREES MARKED FOR REMOVAL ON DRAWINGS ARE PROPOSED TRESS TO BE REMOVED. TREES TO BE REMOVED WILL BE MARKED IN FIELD. 4) RIPRAP TO BE PLACED AROUND RIPRAP TO BE PLACED AROUND CULVERT INLET/OUTLET FULLY SURROUNDING BOTH OPENINGS.

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AutoCAD SHX Text Creek bed simlation shall be placed to replicate existing creek bed as best possible.

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AutoCAD SHX Text Pipe Arch 6'-9" x 4'-11" 25' Length 10 Gauge

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AutoCAD SHX Text Proposed Culvert - Cross Section

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AutoCAD SHX Text NOTES: 1) EXCAVATED SOILS TO BE REUSED AS EXCAVATED SOILS TO BE REUSED AS BACKFILL ABOVE STRUCTURAL FILL ONCE CLEANED OF ROCKS AND ORGANICS. BACKFILL TO BE PLACED IN 6 IN. LIFTS MAX. AND COMPACTED TO A MINIMUM OF 90% RELATIVE DENSITY. 2) CREEK BED SIMULATION MATERIAL CREEK BED SIMULATION MATERIAL SHALL BE PLACED TO MATCH EXISTING ELEVATION OF SURROUNDING CREEK BED. 3) BEDDING MATERIAL SHALL MEET BEDDING MATERIAL SHALL MEET SUBSECTION 704.02. 4) TOP OF BACKFILL TO MATCH EXISTING TOP OF BACKFILL TO MATCH EXISTING SURROUNDING TRAIL ELEVATIONS AND BLEND GRADE.

AutoCAD SHX Text CREEK BED SIMULATION MATERIAL INSIDE CULVERT THE DESIGN INTENT IS TO MATCH THE EXISTING CREEK BED ELEVATIONS WHILE ALLOWING A LESS RESTRICTED FLOW OF WATER WHEN COMPARED TO THE EXISTING CONDITIONS. THIS IS ACHIEVED WITH THE COUNTERSINKING OF THE PIPE ARCH CULVERT AND PLACEMENT OF THE SPECIFIED CREEK BED SIMULATION MATERIAL IN THE CULVERT. THE CREEK BED SIMULATION MATERIAL SHALL BE CLEAN MATERIAL AND FREE OF FINES. AFTER CREEK BED SIMULATION MATERIAL IS PLACED, FINE SEDIMENT (RIVER SAND) SHALL BE ADDED TO SEAL THE CREEK BED. RIVER SAND SHALL BE DISTRIBUTED OVER THE SURFACE OF THE MATERIAL AND WASHED IN TO ALLOW THE SAND TO WORK INTO OPEN SPACES AND SEAL THE FILL MATERIAL. SAND SHALL BE ADDED UNTIL THE CREEK BED SIMULATION MATERIAL IS "SEALED" AND WASH WATER FLOWS ON TOP OF THE FILL MATERIAL. FINE SOILS GENERATED ON-SITE MAY BE SUBSTITUTED FOR SAND AT THE DISCRETION OF THE COR.

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1.5:1 SLOPE MAX.

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1' 6" DEEP R-4 RIPRAP

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PROPOSED CULVERT - LONG PROFILE

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AutoCAD SHX Text NOTES: 1) CROSSING CREST TO BE LOCATED IN THE CENTER OF THE TRAIL. CROSSING CREST TO BE LOCATED IN THE CENTER OF THE TRAIL. 2) 4"X4" TREATED TIMBER CURBS SHALL BE ANCHORED INTO THE 4"X4" TREATED TIMBER CURBS SHALL BE ANCHORED INTO THE GROUND USING #4 REBAR WITH MINIMUM EMBEDMENT DEPTH OF 1'. 3) INLET INVERT ELEVATION TO MATCH EXISTING CREEK BED INLET INVERT ELEVATION TO MATCH EXISTING CREEK BED ELEVATION AND PROVIDE SMOOTH TRANSITION BETWEEN INLET AND OUTLET. 4) CREEK BED SIMULATION MATERIAL TO CONSIST OF R2 EQUIVALENT CREEK BED SIMULATION MATERIAL TO CONSIST OF R2 EQUIVALENT (1"-3") SIZED RIVER STONE AND CLEAN FINES. 5) OUTLET INVERT ELEVATION TO MATCH EXISTING ELEVATION. OUTLET INVERT ELEVATION TO MATCH EXISTING ELEVATION. 6) PLUNGE POOL AT EXISTING CULVERT OUTLET TO BE FILLED USING PLUNGE POOL AT EXISTING CULVERT OUTLET TO BE FILLED USING CULVERT CREEK BED SIMULATION MATERIAL. 7) NONWOVEN GEOTEXTILE FABRIC TO BE PLACED BETWEEN BEDDING NONWOVEN GEOTEXTILE FABRIC TO BE PLACED BETWEEN BEDDING MATERIAL AND NATIVE SOILS AND BENEATH RIPRAP TO ACT AS SEPARATION MEDIUM. 8) RIPRAP SHALL BE PLACED AROUND BOTH INLET AND OUTLET RIPRAP SHALL BE PLACED AROUND BOTH INLET AND OUTLET OPENINGS IN ACCORDANCE TO DETAIL. RIPRAP PLACED SHALL CONSIST OF R4 RIPRAP. 9) RIPRAP SHALL BE KEYED A MINIMUM OF 2 FEET BELOW GRADE RIPRAP SHALL BE KEYED A MINIMUM OF 2 FEET BELOW GRADE OVERTOP NONWOVEN GEOTEXILE FABRIC. GEOTEXTILE FABRIC SHALL BE FOLDED BACK OVER AROUND BASE TO SECURE IN PLACE.

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AutoCAD SHX Text NOTES: 1) TEMPORARY DIVERSION DIKE OR SIMILAR TEMPORARY CREEK ISOLATION SYSTEM TEMPORARY DIVERSION DIKE OR SIMILAR TEMPORARY CREEK ISOLATION SYSTEM SHALL BE INSTALLED TO BE CONSISTENT WITH VDOT R&B STANDARD EC-9. 2) INTAKE SCREENED PER VDWR AND NMFS SCREEN CRITERIA. INTAKE SCREENED PER VDWR AND NMFS SCREEN CRITERIA. 3) SUMP PUMP TO COLLECT TURBID WATER GENERATED IN WORK AREA. SUMP PUMP TO COLLECT TURBID WATER GENERATED IN WORK AREA. 4) TEMPORARY DIVERSION PIPE FOR CREEK TO BYPASS WORK AREA. PUMP CREEK TEMPORARY DIVERSION PIPE FOR CREEK TO BYPASS WORK AREA. PUMP CREEK WATER AROUND EXCAVATION UNTIL NEW CULVERT IS INSTALLED. 5) STRAW WATTLE OR SIMILAR SEDIMENT DAM DOWNSTREAM FROM WORK AREA. STRAW WATTLE OR SIMILAR SEDIMENT DAM DOWNSTREAM FROM WORK AREA. 6) OUTLET CLEAN WATER DOWNSTREAM OF WORK AREA TO MINIMIZE EROSION ON OUTLET CLEAN WATER DOWNSTREAM OF WORK AREA TO MINIMIZE EROSION ON CREEK BED. 7) PUMP TURBID WATER FROM WORK AREA ONTO FLOODPLAIN AWAY FROM PUMP TURBID WATER FROM WORK AREA ONTO FLOODPLAIN AWAY FROM CHANNEL AND WORK AREA. 8) STRAW WATTLE, SILT SOCK, OR SIMILAR SEDIMENT CONTROL MEASURE AROUND STRAW WATTLE, SILT SOCK, OR SIMILAR SEDIMENT CONTROL MEASURE AROUND WORK AREA TO CONTAIN SEDIMENT MIGRATION.

AutoCAD SHX Text WORK AREA ISOLATION CONTRACTOR SHALL SUBMIT A DEWATERING AND WORK AREA ISOLATION (STREAM BYPASS PLAN) THAT LIMITS DEWATERED STREAM LENGTH TO THE COR FOR REVIEW AND APPROVAL PRIOR TO BEGINNING CONSTRUCTION. IT IS ANTICIPATED THAT WATER FLOW WILL BE MINIMAL DURING CONSTRUCTION. THE PROPOSED WORK AREA ISOLATION TECHNIQUE SHALL INCORPORATE DEWATERING TECHNIQUES THAT CONSIDER THE NECESSARY DURATION OF ISOLATION, ELEVATIONS, AND DISTANCE. STATIONARY POWER EQUIPMENT (i.e. GENERATORS) WITHIN 150 FEET OF THE WATER SHALL BE DIAPERED TO PREVENT LEAKS. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PERFORMING AND DOCUMENTING DAILY INSPECTIONS ON ALL POWER EQUIPMENT WITHIN 150 FEET OF WATER FOR FLUID LEAKS AND REPAIRS PRIOR TO USE WITHIN 150 FEET OF WATER IF A LEAK IS DETECTED. PUMPS USED FOR DEWATERING SHALL HAVE INTAKE SCREENS THAT MEET THE MOST CURRENT VERSION OF VDWR AND NMFW FISH SCREEN CRITERIA OR OPERATED IN AN AREA WHERE FISH ARE NOT ABLE TO ENTER. AT COMPLETION OF PROJECT, CONTRACTOR SHALL REINTRODUCE WATER THE CONSTRUCTION SITE SLOWLY TO PREVENT LOSS OF SURFACE FLOW DOWN STREAM AND TO PREVENT THE RELEASE OF SUSPENDED SEDIMENT.

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Temporary Diversion Dike per VDOT EC-9

Sheets and Views
Woodthrush Culvert - Title Page-Layout1
Woodthrush Culvert - Existing Conditions-Existing Site Conditions
Woodthrush Culvert - Proposed Improvements-Improved Culvert
Woodthrush Culvert - Details-Cross Section Details
Woodthrush Culvert - Details-Long Profile Details
Woodthrush Culvert - S&E-Existing Site Conditions

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