Revised_Drawings_-_8_May_2025_0001.pdf

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Attached to
Beach Access Upgrades
Solicitation number
140P6425B0007
Issued by

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Written by GovTribe AI ·

These are engineering design drawings (sheets C3.2 and C3.3) for a staircase base bid and bid option at Apostle Islands National Lakeshore, dated 8 May 2025. The detailed technical drawings provide comprehensive site-specific construction plans for a beach access staircase, including precise structural details such as stair elevation views, concrete stair notes, kayak slide rail and double flume section details, and multiple enlargement perspectives of structural connections and foundations. The drawings show a complex multi-level staircase design with detailed specifications for concrete work, structural elements, surface treatments, and foundational infrastructure, designed to integrate with the natural landscape and provide accessibility to the beach area.

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Sol_140P6425B0007_Amd_0002.pdf PDF
Sol_140P6425B0007_Amd_0001.pdf PDF
Questions_and_Answers_0001.pdf PDF
Attachment_-_Drawings-Pictures.pdf PDF
Attachment_-_Limitations_on_Subcontracting_Report.xlsx XLSX spreadsheet
Attachment_-_Notice_to_Contractors.pdf PDF
Specifications_-_Beach_Access_Upgrades.pdf PDF
Attachment_-_Construction_Contract_Admin.pdf PDF
Bid_Schedule_-_Beach_Access.xlsx XLSX spreadsheet
Sol_140P6425B0007.pdf PDF
Wage_Determination_-_Bayfield_Co.pdf PDF
Bid_Schedule_-_Beach_Access.pdf PDF
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REVISED: 8 May 2025

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KAYAK SLIDE RAILS AND HANDRAIL ELEVATION DETAIL D-D

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STAIRCASE ELEVATION DETAIL C-C

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STAIRCASE WITH 6" RISERS AND 18" TREADS SECTION DETAIL A-A

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KAYAK SLIDE RAILS AND COBBLE FLUME SECTION DETAIL B-B

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AutoCAD SHX Text FASTENER KEYNOTES 1 FASTEN TOE KICK AND DOUBLE STRINGERS FASTEN TOE KICK AND DOUBLE STRINGERS TO CROSS BEAM WITH GALVANIZED 'SIMPSON STRONG TIE: HL55G HEAVY ANGLE AND GUSSET' WITH ZMAX COATING, (8) 1/2" X 8" GALVANIZED STRUCTURAL QUALITY THROUGH BOLTS, NUTS, WASHERS, EQUAL TO OR BETTER THAN ASTM A307 - GRADE A, OR APPROVED EQUAL. TYP. 2 BEAR STAIR STRINGERS ON 6X6 SYP BEAR STAIR STRINGERS ON 6X6 SYP CROSS BEAM, FASTEN TO CROSS BEAM WITH GALVANIZED 'SIMPSON STRONG TIE: H10A-2' WITH ZMAX COATING, OR APPROVED EQUAL, TYP. 3. FASTEN 2X6 CONTINUOUS AND DOUBLE FASTEN 2X6 CONTINUOUS AND DOUBLE STRINGERS TO CROSS BEAM WITH GALVANIZED 'SIMPSON STRONG TIE: HL35G HEAVY ANGLE AND GUSSET' WITH ZMAX COATING, (4) 1/2" X 8" GALVANIZED STRUCTURAL QUALITY THROUGH BOLTS, NUTS, WASHERS, EQUAL TO OR BETTER THAN ASTM A307 - GRADE A, OR APPROVED EQUAL. TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE KAYAK SLIDE RAIL, TYP.

AutoCAD SHX Text 1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, SURFACE MOUNTED ON TOP OF PC CONCRETE FOOTING, SEE DETAIL ENLARGEMENT D1 FOR MOUNTING PLATE, TYP.

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PC CONCRETE FOOTING, EXTEND TO FROST DEPTH 60" MINIMUM, TYP.

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COMPACTED SUBGRADE, TYP.

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2X12 SYP WOOD STAIR STRINGER 'A', TYP.

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6X6X10' FIELD CUT, SYP CROSS BEAM TO BEAR STAIR STRINGERS, TYP.

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6X6 FIELD CUT, SYP VERTICAL POST, EXTEND TO FROST DEPTH, 60" MIN., TYP.

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2X12 SYP WOOD STAIR STRINGER 'B', TYP.

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2X12 SYP WOOD STAIR STRINGER 'C', TYP.

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6X6 FIELD CUT, SYP VERTICAL POST, EXTEND TO FROST DEPTH, 60" MIN., TYP.

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COMPACTED SUBGRADE, TYP.

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30" WIDE, 12" DEPTH, COBBLE FLUME, TYP.

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KAYAK SLIDE RAILS BEYOND, TYP.

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STAIR TREAD, TYP.

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TREADS AND STRINGERS BEYOND, TYP.

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BOTTOM OF STAIR ELEVATION: 608.98

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TWO (2) 2X10 SYP WOOD STAIR TREADS ADJACENT, TYP.

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COMPACTED SUBGRADE, TYP.

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PC CONCRETE SIDEWALK, TYP.

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TOP OF STAIR ELEVATION: 628.98

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE HANDRAIL ON STAIR SIDE, TYP.

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AGGREGATE SUBBASE ENVELOP AT BASE OF STRINGER AND CROSS BEAM, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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2X12 SYP WOOD STAIR TOE KICK, SEE ELEVATION VIEW DETAIL, TYP.

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HANDRAIL BEYOND, TYP.

AutoCAD SHX Text 2X6 SYP, CONTINUOUS ADJACENT TO STRINGER, OFFSET ENDS SEPARATE FROM STRINGER ENDS, TYP.

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PC CONCRETE WITH THICKENED EDGE, TYP.

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BEACH SAND SURFACE RESTORATION, TYP.

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BEACH STAIR LANDING, TYP.

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BOTTOM OF STAIR ELEVATION: 608.98

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2X12 SYP WOOD STAIR STRINGER 'B', TYP.

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KAYAK SLIDE RAILS BEYOND, SEE SECTION AND ELEVATION DETAILS, THIS SHEET, TYP.

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HANDRAIL BEYOND, SEE SECTION AND ELEVATION DETAILS, THIS SHEET, TYP.

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FINISH GRADE

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TOP OF STAIR ELEVATION: 628.98

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STAIR TREADS BEYOND, SEE SECTION DETAIL ABOVE, TYP.

AutoCAD SHX Text KAYAK SLIDE RAIL PC CONCRETE FOOTING, EXTEND TO FROST DEPTH 60" MINIMUM, SEE DETAIL ABOVE, TYP.

AutoCAD SHX Text CONSTRUCT COBBLE FLUME, 12" DEPTH, 30" WIDE, DIAMETER SIZES 4" MINIMUM AND 8" MAXIMUM. COBBLES SHALL BE GRANITE, ROUNDED, GLACIALLY-DEPOSITED, AND MULTI-COLORED, CONSTRUCT SO THAT TOP OF COBBLES DO NOT EXTEND VERTICALLY ABOVE STAIR TREADS, SUBMIT SAMPLE TO C.O.R. FOR REVIEW AND APPROVAL PRIOR TO COMMENCING CONSTRUCTION, TYP.

AutoCAD SHX Text CONSTRUCT CONCRETE FOOTING SO DOWNHILL SIDE MATCHES TOP OF COBBLE FLUME ELEVATION, TYP.

AutoCAD SHX Text 2X12 SYP WOOD STAIR TOE KICK, MAINTAIN MINIMUM 4" SEPARATION FROM TOP OF COBBLE FLUME TO TOP OF TOE KICK, SEE ELEVATION VIEW DETAIL, TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE KAYAK SLIDE RAIL, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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HANDRAIL BEYOND, SEE ELEVATION DETAIL, THIS SHEET, TYP.

AutoCAD SHX Text 1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, SURFACE MOUNTED ON TOP OF PC CONCRETE FOOTING, TYP.

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BEACH SAND SURFACE RESTORATION, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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BASE BID SYP WOOD TREADS

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BID OPTION 1 NON-SLIP OPEN METAL GRATE TREADS

AutoCAD SHX Text NON-SLIP OPEN METAL GRATE STAIR TREADS 2A. TREADS TO BE ASTM-A-526, G-90 (Z-275) GALVANIZED, TREADS TO BE ASTM-A-526, G-90 (Z-275) GALVANIZED, 13 GAUGE STEEL, MANUFACTURED BY PERF-O GRIP, OR APPROVED EQUAL. 2B. TREADS TO HAVE 18" CHANNEL WIDTH, 1 1/2" DEPTH, WITH TREADS TO HAVE 18" CHANNEL WIDTH, 1 1/2" DEPTH, WITH 7/8" RETURN FLANGE. 2C. FASTEN TO 2X12 SYP WOOD STRINGER, TYP. FASTEN TO 2X12 SYP WOOD STRINGER, TYP.

AutoCAD SHX Text SYP WOOD TREADS 1A. 2X10X10' SYP TREAD. 2X10X10' SYP TREAD. 1B. ABUT (2) 2X10 TREADS FOR 18" OVERALL TREAD WIDTH ABUT (2) 2X10 TREADS FOR 18" OVERALL TREAD WIDTH 1C. 1/2" OVERHANG, TYP. 1/2" OVERHANG, TYP. 1D. FASTEN TO 2X12 SYP WOOD STRINGER, TYP.FASTEN TO 2X12 SYP WOOD STRINGER, TYP.

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NOTE: SCALE OF ALL DETAILS ARE 3/8" = 1'-0"

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COMPACTED SUBGRADE, TYP.

AutoCAD SHX Text WOOD STAIRCASE NOTE 1. ALL WOOD COMPONENTS OF STAIRCASE: ALL WOOD COMPONENTS OF STAIRCASE: POSTS, BEAMS, STRINGERS, TREADS, SHALL BE PRESSURE TREATED #2 SOUTHERN YELLOW PINE (SYP), TYP.

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AGGREGATE SUBBASE, TYP.

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AGGREGATE SUBBASE, TYP.

AutoCAD SHX Text HANDRAIL AND KAYAK SLIDE RAIL GALVANIZATION NOTE 1. CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR HANDRAIL AND KAYAK SLIDE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR HANDRAIL AND KAYAK SLIDE RAILS IDENTIFYING ANY AND ALL PROPOSED ONSITE WELD LOCATIONS. ALL ONSITE WELDS TO RECEIVE COLD GALVANIZING COMPOUND, SUBMIT PRODUCT DATA FOR REVIEW AND APPROVAL PRIOR TO COMMENCING FABRICATION.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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6X6X10'-4" FIELD CUT, SYP CROSS BEAM TO BEAR STAIR STRINGERS AND TOE KICK, TYP.

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2X12 CONTINUOUS TOE KICK ON EACH END OF STAIRCASE, TYP.

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BOTTOM OF STAIR ELEVATION: 608.98

AutoCAD SHX Text 2X6 SYP, CONTINUOUS ADJACENT TO STRINGER, OFFSET ENDS SEPARATE FROM STRINGER ENDS, TYP.

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STAIR TREAD, TYP.

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SEE DETAIL ENLARGEMENT C1

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DETAIL ENLARGEMENT C1

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COMPACTED DRAINABLE AGGREGATE ENVELOP AT BASE OF STRINGER AND CROSS BEAM, TYP.

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DETAIL ENLARGEMENT D1 (NOT TO SCALE)

AutoCAD SHX Text 8"x 8"x 1/2" GALVANIZED, STEEL PLATE WITH FOUR (4) 1/2" x 8" ANCHOR BOLTS, TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, TYP.

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TYPICAL 1/4"

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SITE DETAILS

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STAIRCASE BASE BID

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AND BID OPTION 1

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TITLE OF SHEET

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DESIGNED:

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TECH. REVIEW:

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DATE:

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SUB SHEET NO.

AutoCAD SHX Text 02/05/2025

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MRS

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MRS

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APOSTLE ISLANDS NATIONAL LAKESHORE

AutoCAD SHX Text M:\Groups\Maint\Archives\APIS\80073 - Meyer's Beach ABA Ramp & Stair\20_Drawings\__Site\SHEETS\APIS_80073_SHEETS-DETAILS.dwg 5/8/2025 2:31 PM BY Sharp, Michael Ryan 5/8/2025 2:31 PM BY Sharp, Michael Ryan5/8/2025 2:31 PM BY Sharp, Michael Ryan BY Sharp, Michael RyanSharp, Michael Ryan

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REVISION

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DRAWING NO.

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PMIS/PKG NO.

AutoCAD SHX Text 633 80073

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SHEET

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OF

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SURFACE MOUNT VERT. POST TO FTG.

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MRS

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REVISED: 8 May 2025

COMPACTED SUBGRADE, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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PC CONCRETE WITH THICKENED EDGE, TYP.

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BEACH SAND SURFACE RESTORATION, TYP.

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BEACH STAIR LANDING, TYP.

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BOTTOM OF STAIR ELEVATION: 608.98

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KAYAK SLIDE RAILS BEYOND, SEE SECTION AND ELEVATION DETAILS, THIS SHEET, TYP.

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HANDRAIL BEYOND, SEE SECTION AND ELEVATION DETAILS, THIS SHEET, TYP.

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TOP OF STAIR ELEVATION: 628.98

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DOWELED EXPANSION JOINT PER DETAIL 5/C3.1 @ 12" SPACING, TYP.

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STAIRCASE ELEVATION DETAIL C-C

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COMPACTED SUBGRADE, TYP.

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30" WIDE, 12" DEPTH, COBBLE FLUME, TYP.

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KAYAK SLIDE RAILS BEYOND, TYP.

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STAIR TREAD, TYP.

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TREADS BEYOND, TYP.

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BOTTOM OF STAIR ELEVATION: 608.98

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HANDRAIL BEYOND, TYP.

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STAIRCASE WITH 6" RISERS AND 18" TREADS SECTION DETAIL A-A

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CONSTRUCT PC CONCRETE STAIR FOOTING TO FROST DEPTH 60" MINIMUM, TYP.

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#4 BARS @ 8" CENTERS

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#4 BAR, ONE PER RISER

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#4 BARS WITHIN CONC. FOOTING AT 12" SPACING

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#4 BARS @ 8" CENTERS, TYP.

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#4 BAR, ONE PER RISER, TYP.

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#4 BARS WITHIN CONCRETE FOOTING AT 12" SPACING, TYP.

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CONSTRUCT 8" WIDE, PC CONCRETE STAIR FOOTING TO FROST DEPTH 60" MINIMUM, TYP.

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COMPACTED SUBGRADE, TYP.

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KAYAK SLIDE RAILS AND HANDRAIL ELEVATION DETAIL D-D

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE KAYAK SLIDE RAIL, TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE HANDRAIL ON STAIR SIDE, TYP.

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KAYAK SLIDE RAILS AND COBBLE FLUME SECTION DETAIL B-B

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COMPACTED SUBGRADE, TYP.

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PC CONCRETE SIDEWALK, TYP.

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TOP OF STAIR ELEVATION: 628.98

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STAIR TREADS BEYOND, SEE SECTION DETAIL ABOVE, TYP.

AutoCAD SHX Text KAYAK SLIDE RAIL PC CONCRETE FOOTING, EXTEND TO FROST DEPTH 60" MINIMUM, SEE DETAIL ABOVE, TYP.

AutoCAD SHX Text CONSTRUCT CONCRETE FOOTING SO DOWNHILL SIDE MATCHES TOP OF COBBLE FLUME ELEVATION, TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL PIPE KAYAK SLIDE RAIL, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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HANDRAIL BEYOND, SEE ELEVATION DETAIL, THIS SHEET, TYP.

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BEACH SAND SURFACE RESTORATION, TYP.

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TERMINATE HANDRAIL AT LAST VERTICAL POST, TYP.

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NOTE: SCALE OF ALL DETAILS ARE 3/8" = 1'-0"

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COMPACTED SUBGRADE, TYP.

AutoCAD SHX Text TYPICAL CONCRETE STAIR NOTES 1. 1/4" RADIUS TYP., 1/2" RADIUS MAX. 1/4" RADIUS TYP., 1/2" RADIUS MAX. 2. MINIMUM 1.0% SLOPE, TYP. MINIMUM 1.0% SLOPE, TYP. 3. MEDIUM BROOM FINISH ON ALL TREADS, TYP.MEDIUM BROOM FINISH ON ALL TREADS, TYP.

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AGGREGATE SUBBASE, TYP.

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AGGREGATE SUBBASE, TYP.

AutoCAD SHX Text HANDRAIL AND KAYAK SLIDE RAIL GALVANIZATION NOTE 1. CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR HANDRAIL AND KAYAK SLIDE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR HANDRAIL AND KAYAK SLIDE RAILS IDENTIFYING ANY AND ALL PROPOSED ONSITE WELD LOCATIONS. ALL ONSITE WELDS TO RECEIVE COLD GALVANIZING COMPOUND, SUBMIT PRODUCT DATA FOR REVIEW AND APPROVAL PRIOR TO COMMENCING FABRICATION.

AutoCAD SHX Text CONSTRUCT COBBLE FLUME, 12" DEPTH, 30" WIDE, DIAMETER SIZES 4" MINIMUM AND 8" MAXIMUM. COBBLES SHALL BE GRANITE, ROUNDED, GLACIALLY-DEPOSITED, AND MULTI-COLORED, CONSTRUCT SO THAT TOP OF COBBLES DO NOT EXTEND VERTICALLY ABOVE STAIR TREADS, SUBMIT SAMPLE TO C.O.R. FOR REVIEW AND APPROVAL PRIOR TO COMMENCING CONSTRUCTION, TYP.

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DETAIL ENLARGEMENT D1 (NOT TO SCALE)

AutoCAD SHX Text 8"x 8"x 1/2" GALVANIZED, STEEL PLATE WITH FOUR (4) 1/2" x 8" ANCHOR BOLTS, TYP.

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1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, TYP.

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TYPICAL 1/4"

AutoCAD SHX Text 1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, SURFACE MOUNTED ON TOP OF PC CONCRETE FOOTING, SEE DETAIL ENLARGEMENT D1 FOR MOUNTING PLATE, TYP.

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PC CONCRETE FOOTING, EXTEND TO FROST DEPTH 60" MINIMUM, TYP.

AutoCAD SHX Text 1 1/2" DIAMETER, GALVANIZED, STEEL VERTICAL PIPE, SURFACE MOUNTED ON TOP OF PC CONCRETE FOOTING, TYP.

AutoCAD SHX Text 1/2" EXPANSION JOINT IN ALL AREAS WHERE STAIRS AND FOOTING ABUT, DISTANCE VARIES, TYP.

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TREADS BEYOND, TYP.

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SITE DETAILS

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CONCRETE STAIRCASE

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BID OPTION 2

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TITLE OF SHEET

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DESIGNED:

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TECH. REVIEW:

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DATE:

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SUB SHEET NO.

AutoCAD SHX Text 02/05/2025

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MRS

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MRS

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APOSTLE ISLANDS NATIONAL LAKESHORE

AutoCAD SHX Text M:\Groups\Maint\Archives\APIS\80073 - Meyer's Beach ABA Ramp & Stair\20_Drawings\__Site\SHEETS\APIS_80073_SHEETS-DETAILS.dwg 5/8/2025 2:33 PM BY Sharp, Michael Ryan 5/8/2025 2:33 PM BY Sharp, Michael Ryan5/8/2025 2:33 PM BY Sharp, Michael Ryan BY Sharp, Michael RyanSharp, Michael Ryan

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REVISION

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DRAWING NO.

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PMIS/PKG NO.

AutoCAD SHX Text 633 80073

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AutoCAD SHX Text 313908

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SHEET

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OF

AutoCAD SHX Text C3.3

AutoCAD SHX Text 05/08/25

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MRS

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SURFACE MOUNT VERT. POST TO FTG.

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Sheets and Views
C3.2

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