751-24434.JBB Au Train Bridge - Bid Plans 04-18-25.pdf

PDF 4 MB Posted May 13, 2025

Attached to: 751/24434. JBB; Au Train River Bridge Superstructure Removal
Solicitation number: RFQ 171 250000000369 5
Issued by: Alger County, Michigan

About this file

Written by GovTribe AI · Mar 13, 2026

This is a set of bid plans for a bridge superstructure removal project issued by the Michigan Department of Technology, Management and Budget (DTMB) in coordination with the Michigan Department of Natural Resources (MDNR). The project involves the removal of the Au Train River Bridge superstructure located in Alger County, Michigan, spanning approximately 134 feet across the Au Train River. The base bid requires removal and disposal of the center steel plate girder span (approximately 50 feet by 16 feet) including the steel structure, steel bearings, and timber deck to the top of the timber pile caps. Alternate Bid 1 includes removal of timber superstructures on six approach spans including railing, deck, and beams. Alternate Bid 2 includes removal of timber piles and pile caps, with piles cut to two feet above water line on land and at grade, removal of timber abutments above grade, and site regrading with installation of timber barriers. The contractor must obtain necessary permits for lane and shoulder closures, maintain traffic throughout construction, and complete work outside the April 1 to June 14 period to protect fish spawning. The existing bridge structure weighs approximately 60 tons for the main span with a 30-ton timber deck. Construction plans indicate crane setup areas on either side of the structure and specify restoration requirements including topsoil placement, seeding, mulching, and soil erosion and sedimentation control measures.

The bid plans were issued for permitting on February 5, 2025, with 100 percent review completion on April 7, 2025. The contractor shall be responsible for all necessary fees and compliance with federal, state, and local codes regarding noise levels, hours of operation, vibrations, and other restrictions. The existing bridge is constructed with lead paint, requiring the contractor to provide EGLE site identification, manifest, and truck tickets documenting proper disposal. Salvage of the top layer of pressure-treated deck and railing materials is to be included with the awarded base bid or alternate bid items, with contractor responsibility for transporting wood to a designated drop-off location at Christmas Motor Sports Park for drying. The project covers approximately 0.2 acres and requires soil erosion and sedimentation control plans submitted for approval by the DTMB SESC unit prior to work commencement. Materials specified include 22A gravel and Class III fill per MDOT requirements. The contractor must repair any damage to access roads caused by project operations at no additional cost to the owner and maintain all public streets adjacent to the site free of construction debris and sediment through daily sweeping and dust control measures.

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751-24434.JBB - Au Train Bridge Addendum #2.pdf	PDF	May 13, 2025
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AU TRAIN RIVER BRIDGE

SUPERSTRUCTURE REMOVAL

MICHIGAN DEPARTMENT OF NATURAL RESOURCES

ALGER COUNTY, MICHIGAN

FILE NO.: 751/24434.JBB

VICINITY MAP FILE NO.: 751 / 24434.JBB

STATE OF MICHIGAN

DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

FACILITIES AND BUSINESS SERVICES ADMINISTRATION

DESIGN AND CONSTRUCTION DIVISION

ADAM LACH, DIRECTOR

U.P. ENGINEERS AND ARCHITECTS, INC.

100 PORTAGE STREET, HOUGHTON, MI 49931

STEPHEN WRIGHT, P.E.

SHEET INDEX

SHEET DESCRIPTION

1 TITLE SHEET

2 GENERAL NOTES & LEGEND

3 SITE ACCESS & RESTORATION

4 EXISTING SITE PLAN

5 PLAN OF STRUCTURE & PROFILE

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AutoCAD SHX Text OWNER DEPARTMENT OF NATURAL RESOURCES MARQUETTE CUSTOMER SERVICE CENTER 1990 US-41 SOUTH MARQUETTE, MI 49855 PROJECT CONTACT: ROB KATONA: 906-250-9116 KatonaR@MICHIGAN.GOV

AutoCAD SHX Text U.P. ENGINEERS & ARCHITECTS, INC. ENGINEERING ARCHITECTURE PLANNING SURVEYING ENVIRONMENTAL

AutoCAD SHX Text ENGINEER U.P. ENGINEERS & ARCHITECTS 100 PORTAGE STREET HOUGHTON, MI 49931 PROJECT CONTACT:

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STEPHEN WRIGHT, PE (UPEA): 906-315-1355

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%%UCIVIL

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LICENSED PROFESSIONAL ENGINEER

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PREPARED UNDER SUPERVISION OF

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ADDRESS

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ORGANIZATION

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LAKE

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PAULSON

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AU TRAIN RIVER

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ONOTA TWP.

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WISCONSIN CENTRAL LTD. R. R.

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POND

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COOTS

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AU TRAIN LAKE

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KOSKI RD.

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W. C. LTD. R.R.

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JOEL CR.

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AU TRAIN

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POND

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JOEL

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AU TRAIN BAY

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LAKE SUPERIOR

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PROJECT LOCATION AU TRAIN TWP., MICH. T47N, R20W, S32

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TO CHRISTMAS/MUNISING

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STATE OF MICHIGAN

DEPARTMENT OF TECHNOLOGY,

MANAGEMENT AND BUDGET

STATE FACILITIES

ADMINISTRATION

LEGEND

ALL NOTES ON THIS SHEET ARE TO BE INCORPORATED,

BY REFERENCE TO ALL PLAN SHEETS OF THIS SET

GIVEN APPLICABILITY TO THE PROPOSED WORK.

GENERAL NOTES REMOVAL

AGGREGATE CONSTRUCTION

RESTORATION

BID ITEMS

ABBREVIATIONS:

UTILITY CONTACT INFORMATIONSOIL EROSION AND SEDIMENTATION CONTROL

Au Train

Christmas

Xmas Motor Sports Park

A2 SALVAGE MATERIAL DROP OFF LOCATION MAP

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KEY

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MULCH BLANKETS

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SILT FENCE

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PERMANENT SEEDING

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MULCH

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BEST MANAGEMENT PRACTICES

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SYMBOL

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WHERE USED

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S-E-S-C KEYING SYSTEM

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EROSION EELS

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BENCHMARK

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GUY WIRE

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CONTROL POINT

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SOIL BORING

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TREE LINE

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EDGE OF GRAVEL TRAIL

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GRAVEL

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PROPOSED

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EXISTING

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WETLAND BOUNDARY

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GUY WIRE

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1. THE IMPROVEMENTS COVERED BY THESE PLANS SHALL BE DONE IN ACCORDANCE WITH THE IMPROVEMENTS COVERED BY THESE PLANS SHALL BE DONE IN ACCORDANCE WITH WITH THE PROPOSAL AND ACCOMPANYING SPECIFICATIONS FOR THIS PROJECT INCLUDING THE INCLUDING THE 2020 MDOT STANDARD SPECIFICATIONS FOR CONSTRUCTION, AASHTO'S 2004 POLICY ON AASHTO'S 2004 POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS, AND THE 2011 MICHIGAN MANUAL OF THE 2011 MICHIGAN MANUAL OF UNIFORM TRAFFIC CONTROL DEVICES. 2. IN THE CASE OF DISCREPANCIES BETWEEN THE MDOT STANDARD SPECIFICATIONS AND IN THE CASE OF DISCREPANCIES BETWEEN THE MDOT STANDARD SPECIFICATIONS AND THE CASE OF DISCREPANCIES BETWEEN THE MDOT STANDARD SPECIFICATIONS AND AND MICHIGAN DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET (MDTMB) DCSPEC, (MDTMB) DCSPEC, THE MDTMB PROVISIONS CONTROL. 3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PAYING ALL NECESSARY FEES THE CONTRACTOR SHALL BE RESPONSIBLE FOR PAYING ALL NECESSARY FEES CONTRACTOR SHALL BE RESPONSIBLE FOR PAYING ALL NECESSARY FEES ASSOCIATED WITH THIS PROJECT. 4. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO COMPLY THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO COMPLY CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO COMPLY COMPLY WITH ALL FEDERAL, STATE, AND LOCAL CODES FOR NOISE LEVELS, HOURS OF OPERATION HOURS OF OPERATION FOR CONSTRUCTION ACTIVITY, VIBRATIONS, OR ANY OTHER RESTRICTIONS. NO ADDITIONAL RESTRICTIONS. NO ADDITIONAL COMPENSATION WILL BE DUE TO THE CONTRACTOR FOR ANY WINTER PROTECTION CONTRACTOR FOR ANY WINTER PROTECTION MEASURES THAT MAY BE REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS. TO COMPLY WITH THE CONTRACT DOCUMENTS. 5. THE CONTRACTOR AND/OR HIS SUBCONTRACTOR SHALL NOTIFY "MISS DIG" AND THE THE CONTRACTOR AND/OR HIS SUBCONTRACTOR SHALL NOTIFY "MISS DIG" AND THE CONTRACTOR AND/OR HIS SUBCONTRACTOR SHALL NOTIFY "MISS DIG" AND THE THE APPROPRIATE UTILITIES, FIRE AND POLICE DEPARTMENTS A MINIMUM OF 3 WORKING DAYS WORKING DAYS PRIOR TO THE BEGINNING OF CONSTRUCTION. 6. COORDINATION BY THE CONTRACTOR; NO ADDITIONAL COMPENSATION SHALL BE PAID TO COORDINATION BY THE CONTRACTOR; NO ADDITIONAL COMPENSATION SHALL BE PAID TO BY THE CONTRACTOR; NO ADDITIONAL COMPENSATION SHALL BE PAID TO PAID TO THE CONTRACTOR FOR ANY DELAY OR INCONVENIENCE DUE TO MATERIAL SHORTAGES OR MATERIAL SHORTAGES OR DELAYS DUE TO THE OPERATIONS OF SUCH OTHER PARTIES DOING WORK INDICATED OR PARTIES DOING WORK INDICATED OR SHOWN ON THE PLANS OR IN THE PROPOSAL OR FOR ANY DELAYS IN CONSTRUCTION PROPOSAL OR FOR ANY DELAYS IN CONSTRUCTION DUE TO THE ENCOUNTERING OF EXISTING UTILITIES THAT MAY OR MAY NOT BE SHOWN OF EXISTING UTILITIES THAT MAY OR MAY NOT BE SHOWN ON THE PLANS. 7. THE EXISTING UTILITIES SHOWN ON THESE PLANS REPRESENT THE BEST INFORMATION THE EXISTING UTILITIES SHOWN ON THESE PLANS REPRESENT THE BEST INFORMATION EXISTING UTILITIES SHOWN ON THESE PLANS REPRESENT THE BEST INFORMATION INFORMATION AVAILABLE AS OBTAINED FROM THE UTILITY OWNERS. THIS INFORMATION DOES NOT INFORMATION DOES NOT RELIEVE THE CONTRACTOR OF THE RESPONSIBILITY TO BE SATISFIED AS TO ITS BE SATISFIED AS TO ITS ACCURACY AND THE LOCATION OF EXISTING UTILITIES. 8. ALL QUANTITIES AND DIMENSIONS SHOWN IN PLANS ARE PROVIDED FOR INFORMATION ALL QUANTITIES AND DIMENSIONS SHOWN IN PLANS ARE PROVIDED FOR INFORMATION QUANTITIES AND DIMENSIONS SHOWN IN PLANS ARE PROVIDED FOR INFORMATION INFORMATION ONLY, CONTRACTOR SHALL FIELD VERIFY PRIOR TO CONSTRUCTION. 9. STAGING PLANS ARE NOT PROVIDED FOR THIS PROJECT. PROVIDE A SUBMITTAL STAGING PLANS ARE NOT PROVIDED FOR THIS PROJECT. PROVIDE A SUBMITTAL PLANS ARE NOT PROVIDED FOR THIS PROJECT. PROVIDE A SUBMITTAL REGARDING FOR APPROVAL, IN CONCEPT, TO THE ENGINEER. REFER TO DCSPEC ENGINEER. REFER TO DCSPEC SECTIONS 00200.3, 00700.2.3, & 6.2 AND 01300.2. 01300.2. 10. REPAIR ANY DAMAGE TO ACCESS ROADS CAUSED BY CONTRACTOR OPERATIONS AT NO REPAIR ANY DAMAGE TO ACCESS ROADS CAUSED BY CONTRACTOR OPERATIONS AT NO ANY DAMAGE TO ACCESS ROADS CAUSED BY CONTRACTOR OPERATIONS AT NO NO ADDITIONAL COST TO THE OWNER. REFER TO MDOT STANDARD SPECIFICATIONS FOR FOR CONSTRUCTION 2020, SECTION 104.07.C. 11. NO WORK IN RIVER IS ALLOWED ON SITE FROM APRIL 01 TO JUNE 14 TO PROTECT FISH NO WORK IN RIVER IS ALLOWED ON SITE FROM APRIL 01 TO JUNE 14 TO PROTECT FISH WORK IN RIVER IS ALLOWED ON SITE FROM APRIL 01 TO JUNE 14 TO PROTECT FISH PROTECT FISH SPAWNING. 12. THE EXISTING BRIDGE IS CONSTRUCTED WITH LEAD PAINT. THE CONTRACTOR SHALL THE EXISTING BRIDGE IS CONSTRUCTED WITH LEAD PAINT. THE CONTRACTOR SHALL EXISTING BRIDGE IS CONSTRUCTED WITH LEAD PAINT. THE CONTRACTOR SHALL LEAD PAINT. THE CONTRACTOR SHALL PROVIDE EGLE SITE IDENTIFICATION & MIK#, MANIFEST AND TRUCK TICKETS TO MIK#, MANIFEST AND TRUCK TICKETS TO DOCUMENT PROPER DISPOSAL OF THESE MATERIALS. THESE MATERIALS. 13. CONTRACTOR SHALL KEEP ALL PUBLIC STREETS ADJACENT TO THE SITE FREE OF CONTRACTOR SHALL KEEP ALL PUBLIC STREETS ADJACENT TO THE SITE FREE OF HALL KEEP ALL PUBLIC STREETS ADJACENT TO THE SITE FREE OF OF CONSTRUCTION DEBRIS AND SEDIMENT. DUST SHALL BE CONTROLLED ON SITE AT ALL AT ALL TIMES BY WATERING OR OTHER NECESSARY MEANS. SWEEP PAVED ROADS AND OTHER ROADS AND OTHER PAVED SURFACES DAILY TO REMOVE TRACKED SOIL AND DEBRIS. DEBRIS. 14. ACCESS FOR MAIN CONSTRUCTION EQUIPMENT IS PER SHEET 3 . CONTRACTOR IS ACCESS FOR MAIN CONSTRUCTION EQUIPMENT IS PER SHEET 3 . CONTRACTOR IS FOR MAIN CONSTRUCTION EQUIPMENT IS PER SHEET 3 . CONTRACTOR IS 3 . CONTRACTOR IS . CONTRACTOR IS RESPONSIBLE FOR MAINTAINING TRAFFIC THROUGHOUT CONSTRUCTION AND REPAIRING THE SURFACE OF ANY DAMAGE/RUTTING DUE TO CONTRACTORS VEHICLES AND EQUIPMENT. ALL DAMAGE MUST BE REPAIRED IMMEDIATELY.

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1. REMOVALS SHALL BE DONE AS SHOWN ON THE PLANS OR AS DIRECTED BY THE REMOVALS SHALL BE DONE AS SHOWN ON THE PLANS OR AS DIRECTED BY THE MOVALS SHALL BE DONE AS SHOWN ON THE PLANS OR AS DIRECTED BY THE ENGINEER. 2. ANY ADDITIONAL TREE REMOVALS, CLEARING, GRADING, ETC. NEEDED FOR THE ANY ADDITIONAL TREE REMOVALS, CLEARING, GRADING, ETC. NEEDED FOR THE ADDITIONAL TREE REMOVALS, CLEARING, GRADING, ETC. NEEDED FOR THE CONTRACTOR'S STAGING AND/OR WORK OPERATIONS SHALL BE COMPLETED AND AREA RESTORED TO THE SATISFACTION OF THE OWNER WITHOUT ADDITIONAL COMPENSATION. 3. ADDITIONAL WORK OUTSIDE OF THE LIMITS AS SHOWN ON THE PLAN SHALL BE ADDITIONAL WORK OUTSIDE OF THE LIMITS AS SHOWN ON THE PLAN SHALL BE WORK OUTSIDE OF THE LIMITS AS SHOWN ON THE PLAN SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL PRIOR TO STARTING THE ADDITIONAL TO THE ENGINEER FOR APPROVAL PRIOR TO STARTING THE ADDITIONAL WORK. 4. MATERIALS REMOVED SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR AND BE MATERIALS REMOVED SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR AND BE REMOVED SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR AND BE PROPERLY DISPOSED OF. 1. MATERIALS FOR THIS PROJECT SHALL CONSIST OF THE FOLLOWING: MATERIALS FOR THIS PROJECT SHALL CONSIST OF THE FOLLOWING: a. 22A GRAVEL - PER MDOT REQUIREMENTS 22A GRAVEL - PER MDOT REQUIREMENTS b. EMBANKMENT - CLASS III FILL - PER MDOT REQUIREMENTS EMBANKMENT - CLASS III FILL - PER MDOT REQUIREMENTS 1. THE CONTRACTOR SHALL RESTORE ALL ADJACENT AREAS UPON COMPLETION OF THE THE CONTRACTOR SHALL RESTORE ALL ADJACENT AREAS UPON COMPLETION OF THE CONTRACTOR SHALL RESTORE ALL ADJACENT AREAS UPON COMPLETION OF THE THE PROJECT. 2. ALL DISTURBED AREAS SHALL BE BROUGHT TO FINAL GRADE AND STABILIZED AS SOON ALL DISTURBED AREAS SHALL BE BROUGHT TO FINAL GRADE AND STABILIZED AS SOON DISTURBED AREAS SHALL BE BROUGHT TO FINAL GRADE AND STABILIZED AS SOON SOON AS POSSIBLE AFTER BEING DISTURBED. PERMANENT SOIL EROSION AND SEDIMENTATION SEDIMENTATION CONTROL MEASURES SHALL BE INSTALLED WITHIN FIVE CALENDAR DAYS FOR DAYS FOR COMPLETING FINAL GRADING. 3. ALL PERMANENT SLOPES SHALL BE STABILIZED USING BIODEGRADABLE MULCH ALL PERMANENT SLOPES SHALL BE STABILIZED USING BIODEGRADABLE MULCH PERMANENT SLOPES SHALL BE STABILIZED USING BIODEGRADABLE MULCH BLANKETS. FURNISHING AND INSTALLING THE MULCH BLANKETS SHALL BE INCLUDED IN INCLUDED IN THE RESTORATION PAY ITEM. ALL FLAT AREAS WILL BE RESTORED USING HYDROSEED. HYDROSEED SHALL BE INCLUDED IN THE RESTORATION PAY ITEM. 4. CONTRACTOR SHALL PLACE 4" OF TOPSOIL, SEED AND MULCH OR SOD ON DISTURBED CONTRACTOR SHALL PLACE 4" OF TOPSOIL, SEED AND MULCH OR SOD ON DISTURBED SHALL PLACE 4" OF TOPSOIL, SEED AND MULCH OR SOD ON DISTURBED DISTURBED AREAS. SALVAGING OF TOP LAYER OF PRESSURE TREATED DECK AND TREATED WOOD RAILING TO BE INCLUDED WITH AWARDED BASE BID AND/OR ALTERNATE BID ITEMS. CONTRACTOR TO REMOVE DECK AND RAILING WOOD AND TRANSPORT TO THE LOCATION SHOWN BELOW. STACK WOOD NEATLY ON STICKERS TO ALLOW FOR DRYING. BASE BID BRIDGE REMOVAL: REMOVE AND DISPOSE OF CENTER SPAN OF EXISTING TRAIL BRIDGE, APPROXIMATE 50'x16' STEEL PLATE GIRDER SUPERSTRUCTURE INCLUDING STEEL STRUCTURE, STEEL BEARINGS AND TIMBER DECK TO THE TOP OF THE TIMBER PILE CAPS. INCLUDES REQUIREMENTS FOR LANE/SHOULDER CLOSURE AND MAINTENANCE OF TRAFFIC AND ANY REQUIRED SESC AND RESTORATION. ALTERNATE 1: REMOVE AND DISPOSE OF TIMBER SUPERSTRUCTURES ON THE SIX APPROACH SPANS INCLUDING RAILING, DECK, AND BEAMS TO THE TOP OF THE TIMBER PILE CAPS. ALTERNATE 2: REMOVE AND DISPOSE OF TIMBER PILES AND PILE CAPS. REMOVE PILES TO TWO FEET ABOVE WATER LINE AND AT GRADE ON LAND. REMOVE TIMBER ABUTMENTS ABOVE GRADE, REGRADE TRAIL AT ABUTMENTS PER PLANS AND INSTALL TIMBER BARRIERS NEAR ABUTMENTS WHERE TRAIL ENDS.

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AutoCAD SHX Text CONTACTS: AT&T 211 EAST B STREET IRON MOUNTAIN, MI 49801 PROJECT CONTACT: MARSHA BERTOLDI 906-396-9488 mb8983@ATT.COM

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1. SUBMIT CONSTRUCTION SEQUENCE & SESC PLAN FOR APPROVAL BY DTMB SESC UNIT SUBMIT CONSTRUCTION SEQUENCE & SESC PLAN FOR APPROVAL BY DTMB SESC UNIT CONSTRUCTION SEQUENCE & SESC PLAN FOR APPROVAL BY DTMB SESC UNIT UNIT PRIOR TO DOING WORK. CONSTRUCT AND MAINTAIN ALL TEMPORARY SOIL EROSION AND EROSION AND SEDIMENTATION CONTROL MEASURES AND REMOVE WHEN ACCEPTABLE. NO COMPLIANCE ACCEPTABLE. NO COMPLIANCE COULD RESULT IN $500/DAY FINES BY THE AGENCY AND ASSESSMENT OF ACTUAL AND ASSESSMENT OF ACTUAL DAMAGE COSTS. 2. SOIL EROSION AND SEDIMENTATION CONTROL SHALL BE IN ACCORDANCE WITH THE SOIL EROSION AND SEDIMENTATION CONTROL SHALL BE IN ACCORDANCE WITH THE EROSION AND SEDIMENTATION CONTROL SHALL BE IN ACCORDANCE WITH THE 2020 MICHIGAN DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATION FOR HIGHWAY CONSTRUCTION, MDOT STANDARD PLAN R-96 SERIES, AND THE DTMB SOIL SOIL EROSION AND SEDIMENTATION CONTROL GUIDEBOOK. 3. THE CONTRACTOR SHALL EMPLOY A MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT THE CONTRACTOR SHALL EMPLOY A MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT CONTRACTOR SHALL EMPLOY A MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT GREAT LAKES, AND ENERGY (EGLE) CERTIFIED STORM WATER OPERATOR ON ALL SITES WITH A SITES WITH A DISTURBANCE OF FIVE OR MORE ACRES (PERMIT-BY-RULE). THE OPERATOR SHALL OPERATOR SHALL COMPLETE ALL INSPECTIONS AND REPORTS TO COMPLY WITH SESC PERMIT SESC PERMIT REQUIREMENTS. THE PROJECT COVERS APPROXIMATELY 0.2 ACRES. 4. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO MINIMIZE THE AREAS LEFT BARREN DURING CONSTRUCTION AND TO DISTURB ONLY ONLY THOSE AREAS ABSOLUTELY REQUIRED FOR THE CONSTRUCTION OF THE PROJECT. PROJECT. 5. EROSION CONTROL ITEMS SHALL BE INSTALLED AND MAINTAINED ON A REGULAR BASIS EROSION CONTROL ITEMS SHALL BE INSTALLED AND MAINTAINED ON A REGULAR BASIS CONTROL ITEMS SHALL BE INSTALLED AND MAINTAINED ON A REGULAR BASIS BASIS AS DIRECTED BY THE ENGINEER AND SHALL BE REMOVED WHEN NO LONGER EFFECTIVE EFFECTIVE AS DETERMINED BY THE ENGINEER. TEMPORARY EROSION CONTROL MEASURES SHALL MEASURES SHALL BE MAINTAINED UNTIL PERMANENT SOIL CONTROL IS IN PLACE AND STABILIZED. NO AND STABILIZED. NO SEPARATE PAYMENT SHALL BE ALLOWED FOR EITHER MAINTENANCE OR REMOVAL OF MAINTENANCE OR REMOVAL OF THE EROSION CONTROL ITEMS. 6. THE CONTRACTOR SHALL FOLLOW LOCAL RULES AND REGULATIONS FOR SOIL EROSION THE CONTRACTOR SHALL FOLLOW LOCAL RULES AND REGULATIONS FOR SOIL EROSION CONTRACTOR SHALL FOLLOW LOCAL RULES AND REGULATIONS FOR SOIL EROSION EROSION AND SEDIMENTATION CONTROL FOR ALL MATERIALS THAT ARE DISPOSED OF OFF THE OF OFF THE PROJECT SITE. 7. IF THE PROJECT OR ANY CONSTRUCTION ACTIVITY IS STOPPED FOR ANY LENGTH OF IF THE PROJECT OR ANY CONSTRUCTION ACTIVITY IS STOPPED FOR ANY LENGTH OF THE PROJECT OR ANY CONSTRUCTION ACTIVITY IS STOPPED FOR ANY LENGTH OF OF TIME OTHER THEN THAT ENCOUNTERED IN A NORMAL WORK WEEK, EVERY PRECAUTION PRECAUTION SHALL BE TAKEN TO PROTECT THE UNCOMPLETED WORK FROM EROSION, INCLUDING EROSION, INCLUDING THE PLACEMENT OF RIP RAP, HAY BALES OR OTHER ACCEPTABLE TEMPORARY ACCEPTABLE TEMPORARY PRECAUTION. 8. THE CONTRACTOR SHALL INSTALL SILT FENCES AND ROCK FILTERS AS TEMPORARY THE CONTRACTOR SHALL INSTALL SILT FENCES AND ROCK FILTERS AS TEMPORARY CONTRACTOR SHALL INSTALL SILT FENCES AND ROCK FILTERS AS TEMPORARY EROSION AND SEDIMENTATION CONTROL IN DISTURBED AREAS AS REQUIRED AND AS AS SHOWN ON THE PLANS. 9. THE CONTRACTOR SHALL SUBMIT PROPOSED SPOIL PILE LOCATIONS TO THE ENGINEER THE CONTRACTOR SHALL SUBMIT PROPOSED SPOIL PILE LOCATIONS TO THE ENGINEER CONTRACTOR SHALL SUBMIT PROPOSED SPOIL PILE LOCATIONS TO THE ENGINEER ENGINEER FOR APPROVAL PRIOR TO STOCKPILING MATERIAL ON SITE. 10. SPOIL PILES SHALL BE GRADED SO THAT THE SLOPES ARE NOT STEEPER THEN 3:1 SPOIL PILES SHALL BE GRADED SO THAT THE SLOPES ARE NOT STEEPER THEN 3:1 PILES SHALL BE GRADED SO THAT THE SLOPES ARE NOT STEEPER THEN 3:1 AND SHALL BE SEEDED AND MULCHED. 11. SPOIL PILES SHALL HAVE SILT FENCE PLACED AT THE BASE OF THE SPOIL PILES TO SPOIL PILES SHALL HAVE SILT FENCE PLACED AT THE BASE OF THE SPOIL PILES TO PILES SHALL HAVE SILT FENCE PLACED AT THE BASE OF THE SPOIL PILES TO TO RETAIN SOIL UNTIL VEGETATION IS ESTABLISHED. 12. SOIL EROSION AND SEDIMENTATION CONTROLS SHALL BE INSTALLED AND MAINTAINED SOIL EROSION AND SEDIMENTATION CONTROLS SHALL BE INSTALLED AND MAINTAINED EROSION AND SEDIMENTATION CONTROLS SHALL BE INSTALLED AND MAINTAINED MAINTAINED ACCORDING TO THE DETAILS AND SPECIFICATIONS INCLUDED IN THE DEPARTMENT OF DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET'S SOIL EROSION AND SEDIMENTATION CONTROL SEDIMENTATION CONTROL GUIDEBOOK DATED JULY 2019. CONTRACTOR SHALL ALSO COMPLY WITH SPECIFICATION COMPLY WITH SPECIFICATION SECTION 312513. 13. CONTRACTOR IS RESPONSIBLE FOR DISPOSING OF ANY EXCESS CUT MATERIAL THAT IS CONTRACTOR IS RESPONSIBLE FOR DISPOSING OF ANY EXCESS CUT MATERIAL THAT IS IS RESPONSIBLE FOR DISPOSING OF ANY EXCESS CUT MATERIAL THAT IS IS NOT USED ON SITE. CONTRACTOR SHALL NOT REMOVE EXCESS CUT MATERIAL UNTIL PROPOSED GRADING IS COMPLETE.

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PERCH LAKE ROAD

NOT TO SCALE

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KEY NOTES

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ARBUTUS ST.

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AU TRAIN RIVER

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AU TRAIN RIVER

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M-28 SURVEY CENTERLINE

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HWY. R.O.W. TO LAKE

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FORMER RAILROAD CENTERLINE

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TO R.R. R.O.W. (VARIES)

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100' HWY. R.O.W.

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( IN FEET )

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30 FT.

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1. CRANE SET UP AREA: CONTRACTOR MAY ELECT TO ACCESS BRIDGE FROM EITHER SIDE. CRANE SET UP AREA: CONTRACTOR MAY ELECT TO ACCESS BRIDGE FROM EITHER SIDE. 2. TRAFFIC MAINTENANCE: CONTRACTOR IS RESPONSIBLE FOR TRAFFIC MAINTENANCE DURING TRAFFIC MAINTENANCE: CONTRACTOR IS RESPONSIBLE FOR TRAFFIC MAINTENANCE DURING PROJECT. OBTAIN NECESSARY PERMITS FOR LANE AND/OR SHOULDER CLOSURES FOR EQUIPMENT ACCESS AND BRIDGE REMOVAL. OBTAIN MDOT & COUNTY ROAD PERMITS IF NEEDED. 3. RESTORATION: CONTRACTOR SHALL PROTECT EXISTING PAVEMENT AND BUILDING FROM RESTORATION: CONTRACTOR SHALL PROTECT EXISTING PAVEMENT AND BUILDING FROM DAMAGE. SPRING RESTORATION REQUIRED IF RUTTING AND/OR DAMAGE OCCURS DURING CONSTRUCTION ACTIVITIES. REFER TO SESC PLAN. 4. AT&T IN PROCESS OF RELOCATING EXISTING FIBER OPTIC UTILITY. CONTRACTOR TO AT&T IN PROCESS OF RELOCATING EXISTING FIBER OPTIC UTILITY. CONTRACTOR TO PROTECT DURING CONSTRUCTION.

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TREE CLEARING PERMITTED IF NECESSARY

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CONTROL POINT - BENCHMARK DATA

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20 FT.

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COORDINATES ARE IN MICHIGAN STATE PLANE NORTH, GEOID 18, INTERNATIONAL FEET.

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AUTRAIN RIVER

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AUTRAIN RIVER

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AUTRAIN RIVER

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100' HWY. R.O.W.

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TO RAILROAD R.O.W. (VARIES)

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HWY. R.O.W. TO LAKE SUPERIOR

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M-28 CONSTRUCTION CENTERLINE

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M-28 SURVEY CENTERLINE

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FORMER RAILROAD CENTERLINE

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HIGHWAY R.O.W.

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HIGHWAY & FORMER R.R. R.O.W.

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FORMER R.R. R.O.W.

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CONCRETE HIGHWAY BRIDGE ABUTMENT (TYPICAL)

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SUMMARY OF HYDRAULIC ANALYSIS

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EXISTING

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PROPOSED

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NOTE: ELEVATIONS ARE NAVD88 DATUM

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100-YEAR

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50-YEAR

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DRAINAGE AREA AS DETERMINED BY EGLE = 119.11 SQ. MILES

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FLOOD DATA

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DISCHARGE CUBIC FT/SEC

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WATER ELEVATION UPSTREAM FACE AT SURFACE OF OF STRUCTURE (FEET)

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VELOCITY IN DOWNSTREAM CHANNEL IN FT/S

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WATER ELEVATION UPSTREAM FACE AT SURFACE OF OF STRUCTURE (FEET)

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VELOCITY IN DOWNSTREAM CHANNEL IN FT/S

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WATERWAY AREA BELOW W.S. PROVIDED IN SQUARE FEET

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AT&T IN PROCESS OF RELOCATING EXISTING FIBER OPTIC LINE TO NEW WOOD POSTS OFF OF AND DIRECTLY NORTH OF EXISTING BRIDGE. CONTRACTOR SHALL PROTECT TEMPORARY STRUCTURE AND UTILITY.

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A3 CENTERLINE BRIDGE PROFILE

BRIDGE DEMOLITION

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41.5' WOOD SPAN

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50.1' STEEL SPAN

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42.8' WOOD SPAN

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PROJECT LIMITS

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BRIDGE 1+50

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P.O.E. STA. 2+75

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P.O.B. STA. 0+25

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REF. PT. B STA. 2+17.67 ELEV. 612.75

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REF. PT. A STA. 0+83.30 ELEV. 612.70

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EXISTING BRIDGE DECK (TRAVEL SURFACE)

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EDGE OF WATER (12/09/24)

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EDGE OF WATER (12/09/24)

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WATER SURFACE ELEV. 602.0±(12-09-24)

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10 FT.

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SCALE: 1" = 10'

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SCALE: HORZ. 1" = 10' VERT. 1" = 5'

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( IN FEET )

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10 FT.

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HORZ. SCALE

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5 FT.

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VERT. SCALE

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EXISTING GRADE

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50.1'± STEEL SPAN

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41.5'± WOOD SPAN

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42.8'± WOOD SPAN

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REF. PT. A N. 601524.71 E. 26288005.28

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REF. PT. B N. 601559.32 E. 26288135.11

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AUTRAIN RIVER

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OLD DETERIORATED PILES (TYP.)

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FORMER RAILROAD CENTERLINE

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1. EXISTING MAIN SPAN WEIGHT APPROXIMATELY 60 TONS. THE TIMBER DECK WEIGHS APPROXIMATELY 30 TONS. EXISTING MAIN SPAN WEIGHT APPROXIMATELY 60 TONS. THE TIMBER DECK WEIGHS APPROXIMATELY 30 TONS. 2. CONTRACTOR MAY ELECT TO REMOVE THE BRIDGE IN ONE PIECE OR MULTIPLE PIECES. DECKING CAN BE CONTRACTOR MAY ELECT TO REMOVE THE BRIDGE IN ONE PIECE OR MULTIPLE PIECES. DECKING CAN BE REMOVED PRIOR TO LIFTING BRIDGE. PROVIDE DEMOLITION PLAN WITH PROPOSED EQUIPMENT LIST. 3. DECK AND RAILING TIMBERS SHALL BE SALVAGED BY REMOVING EXISTING SCREWS/FASTENERS. CONTRACTOR DECK AND RAILING TIMBERS SHALL BE SALVAGED BY REMOVING EXISTING SCREWS/FASTENERS. CONTRACTOR SHALL DELIVER LUMBER TO CHRISTMAS AS SHOWN ON SHEET 2. 4. CUT PILES TO GRADE ON LAND AND 2' ABOVE WATER LEVEL.CUT PILES TO GRADE ON LAND AND 2' ABOVE WATER LEVEL.

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EXISTING KAYAK LAUNCH, PROTECT

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EDGE OF WATER

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EDGE OF WATER

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REMOVE MAIN SPAN (BASE BID)

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REMOVE APPROACH SPANS AND RAILING (ALT 1)

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REMOVE APPROACH SPANS AND RAILING (ALT 1)

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REMOVE APPROACH SPANS AND RAILING (ALT 1)

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REMOVE MAIN SPAN (BASE BID)

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REMOVE APPROACH SPANS AND RAILING (ALT 1)

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REMOVE PILES AND PILE CAPS (ALT 2), TYP

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REMOVE PILES AND PILE CAPS (ALT 2), TYP

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REMOVE ABUTMENT AND SMOOTH GRADE (ALT 2)

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EROSION EELS (ALT 2)

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CUT & REMOVE PILES (ALT 2), TYP

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REMOVE ABUTMENT AND SMOOTH GRADE (ALT 2)

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EROSION EELS (ALT 2)

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EROSION EELS (ALT 2)

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EROSION EELS (ALT 2)

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TURBIDITY CURTAIN (ALT 2)

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TURBIDITY CURTAIN (ALT 2)

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TYPE 3 BARRIER (BASE BID)

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TYPE 3 BARRIER (BASE BID)

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SEED & MULCH (ALT 2)

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SEED & MULCH (ALT 2)

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REMOVE ABUTMENT AND WINGWALLS, AND SMOOTH GRADE (ALT 2)

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REMOVE BACKWALL AND WINGWALLS, AND SMOOTH GRADE (ALT 2)

AutoCAD SHX Text SUPPLY NEW 4x4 POSTS AND 2x8 CROSS BRACES. RELOCATE BRIDGE OUT SIGN TO TOP OF LEFT HAND POST AND TRAIL CLOSED SIGN TO TOP OF RIGHT HAND POST (ALT 2)

SUPPLY NEW 4x4 POSTS AND 2x8 CROSS BRACES. RELOCATE BRIDGE OUT SIGN TO TOP OF LEFT HAND POST AND TRAIL CLOSED SIGN TO TOP OF RIGHT HAND POST (ALT 2)

Sheets and Views

1 TITLE SHEET

2 GENERAL NOTES & LEGEND

3 SITE ACCESS & RESTORATION

4 GENERAL PLAN OF SITE

PLOT 24X36

5 GENERAL PLAN OF STRUCTURE

3 REST

Sheets and Views

3 REST

5 STRC

Sheets and Views

5 STRC

File details come from the government source that posted it. Updated Mar 12, 2026.