Paonia 2MG Tank Rehab Bid Drwgs.pdf

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2MG Tank Rehabilitation

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Scope of Work

· Recoat interior and exterior of 2MG Tank

· Repair or replace misc. steel tank components

· Remove and replace tank hatch

· Remove and replace tank vent

2MG Tank

Project Contacts

Stefen Wynn, Town Administrator

Vicinity Map

Project Engineer stefenw@townofpaonia.com (970)527-4101

Brandyn Bair, P.E. 42640

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2MG Tank Rehabilitation

Town of Paonia

Town of Paonia

118 West Sixth Street, Suite 200 Glenwood Springs, CO 81601 970.945.1004 www.sgm-inc.com

214 Grand Ave.

Paonia, CO 81428

Bid Drawings March 2025

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Lamborn WTP

Cory Heiniger, PW Director coryheiniger_PW@townofpaonia.com (970)527-4101

AutoCAD SHX Text i:\2013\2013-471 town of paonia\013-2mg tank coating\H-Dwgs\Civil\PS-Sheetset\2MG Tank Rehabilitation.dwg Plotted: 3/19/2025 9:40 AM By: Scott Forrester Plotted: 3/19/2025 9:40 AM By: Scott Forrester3/19/2025 9:40 AM By: Scott Forrester By: Scott ForresterScott Forrester

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UNCC 1-800-922-1987

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AutoCAD SHX Text Tank Rehabilitation Details is io n

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General Notes

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i:\2013\2013-471 town of paonia\013-2mg tank coating\H-Dwgs\Civil\PS-Sheetset\2MG Tank Rehabilitation.dwg Plotted: 3/19/2025 9:40 AM By: Scott Forrester Plotted: 3/19/2025 9:40 AM By: Scott Forrester3/19/2025 9:40 AM By: Scott Forrester By: Scott ForresterScott Forrester

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1. CONTRACTOR TO VERIFY ALL EXISTING CONDITIONS, DIMENSIONS, AND ELEVATIONS PRIOR TO START OF CONSTRUCTION. NOTIFY CONTRACTOR TO VERIFY ALL EXISTING CONDITIONS, DIMENSIONS, AND ELEVATIONS PRIOR TO START OF CONSTRUCTION. NOTIFY ENGINEER OF ANY DISCREPANCIES OR CONFLICTS FOUND IN THE CONTRACT DOCUMENTS AND/OR FIELD CONDITIONS. 2. NO HOLES, OPENINGS, OR ALTERATIONS TO THE EXISTING TANK MAY BE MADE WITHOUT PRIOR WRITTEN APPROVAL OF THE OWNER, NO HOLES, OPENINGS, OR ALTERATIONS TO THE EXISTING TANK MAY BE MADE WITHOUT PRIOR WRITTEN APPROVAL OF THE OWNER, ENGINEER, OR AS SHOWN ON THE DRAWINGS. 3. SHORING AND SCAFFOLDING REQUIRED FOR STRUCTURAL REPAIRS ARE THE CONTRACTOR'S RESPONSIBILITY. SHORING AND SCAFFOLDING REQUIRED FOR STRUCTURAL REPAIRS ARE THE CONTRACTOR'S RESPONSIBILITY. 4. AS-BUILT OR RECORD DRAWINGS WERE NOT AVAILABLE FOR THIS TANK. AS-BUILT OR RECORD DRAWINGS WERE NOT AVAILABLE FOR THIS TANK. 5. THE CONTRACTOR SHALL REVISE FRAMING MEMBERS, PLATES AND CONNECTIONS AS DIRECTED BY THE ENGINEER IN ORDER TO THE CONTRACTOR SHALL REVISE FRAMING MEMBERS, PLATES AND CONNECTIONS AS DIRECTED BY THE ENGINEER IN ORDER TO ACCOMMODATE ACTUAL FIELD CONDITIONS, DIMENSIONS AND GEOMETRY AT NO ADDITIONAL COST TO THE OWNER. 6. CONTRACTOR IS RESPONSIBLE FOR COORDINATION OF CONSTRUCTION WITH THIRD PARTY NON-DESTRUCTIVE TESTING COMPANY AND CONTRACTOR IS RESPONSIBLE FOR COORDINATION OF CONSTRUCTION WITH THIRD PARTY NON-DESTRUCTIVE TESTING COMPANY AND OWNER HIRED WELDING AND COATING INSPECTORS. 7. CLEANING AND DISINFECTION OF THE TANK IS THE CONTRACTORS RESPONSIBILITY AND SHALL BE COORDINATED WITH THE OWNER CLEANING AND DISINFECTION OF THE TANK IS THE CONTRACTORS RESPONSIBILITY AND SHALL BE COORDINATED WITH THE OWNER PRIOR TO DISINFECTION. 8. THE CONTRACTOR SHALL CONTACT ALL UTILITY OWNERS TO VERIFY BOTH LOCATION AND DEPTH OF UTILITIES (WATER, FIBER OPTIC, THE CONTRACTOR SHALL CONTACT ALL UTILITY OWNERS TO VERIFY BOTH LOCATION AND DEPTH OF UTILITIES (WATER, FIBER OPTIC, DRAIN/OVERFLOW, GAS, PHONE, ELECTRIC, CABLE, AND OTHER) BEFORE ANY WORK BEGINS. CONTRACTOR SHALL BEAR THE RESPONSIBILITY FOR THE PROTECTION OF UTILITIES DURING CONSTRUCTION. NO ADDITIONAL PAYMENT WILL BE MADE FOR UTILITIES LOCATED BUT NOT SHOWN IN DRAWINGS. 9. THE CONTRACTOR WILL BE RESPONSIBLE FOR RESTORING DISTURBED AREAS AT THE SITE. THE CONTRACTOR WILL BE RESPONSIBLE FOR RESTORING DISTURBED AREAS AT THE SITE. 10. THE CONTRACTOR IS REQUIRED TO PROVIDE ALL SUBMITTALS AS OUTLINED IN THE CONTRACT DOCUMENTS. THE CONTRACTOR IS REQUIRED TO PROVIDE ALL SUBMITTALS AS OUTLINED IN THE CONTRACT DOCUMENTS. 11. THE EXISTING TANK INTERIOR AND EXTERIOR COATINGS CONTAIN LEAD-BASED PAINT. CONTRACTOR IS RESPONSIBLE FOR ALL LEAD THE EXISTING TANK INTERIOR AND EXTERIOR COATINGS CONTAIN LEAD-BASED PAINT. CONTRACTOR IS RESPONSIBLE FOR ALL LEAD ABATEMENT PROCEDURES AND DISPOSAL OF LEAD-BASED PAINT MATERIALS.

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GENERAL NOTES:

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STRUCTURAL STEEL INSTALLATION:

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1. REFER TO SPECIFICATIONS 05100, 05510, AND 05523 FOR ADDITIONAL REQUIREMENTS. REFER TO SPECIFICATIONS 05100, 05510, AND 05523 FOR ADDITIONAL REQUIREMENTS. 2. FURNISH AND INSTALL TEMPORARY BRACING FOR NEW FRAMING AS NECESSARY TO PROVIDE STABILITY DURING ERECTION AND TO FURNISH AND INSTALL TEMPORARY BRACING FOR NEW FRAMING AS NECESSARY TO PROVIDE STABILITY DURING ERECTION AND TO PREVENT DISTORTION OR DAMAGE TO THE FRAMING DUE TO WIND, SEISMIC, OR ERECTION FORCES. 3. REMOVE TEMPORARY BRACING WHEN ERECTION IS COMPLETE. REMOVE TEMPORARY BRACING WHEN ERECTION IS COMPLETE. 4. FIELD WELDING SHALL BE DONE BY WELDERS CURRENTLY QUALIFIED AND APPROVED FOR THE PROCEDURES USED. NO WELDING FIELD WELDING SHALL BE DONE BY WELDERS CURRENTLY QUALIFIED AND APPROVED FOR THE PROCEDURES USED. NO WELDING SHALL BE COMPLETED WHEN SURFACES ARE WET, EXPOSED TO RAIN OR WIND, OR WHEN WELDERS ARE EXPOSED TO INCLEMENT CONDITIONS THAT WILL AFFECT THE QUALITY OF WORKMANSHIP.

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INSPECTION, TESTING AND QUALITY ASSURANCE:

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1. STRUCTURAL STEEL CONSTRUCTION WILL BE INSPECTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE (IBC) 2015 AND STRUCTURAL STEEL CONSTRUCTION WILL BE INSPECTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE (IBC) 2015 AND ENGINEER. 2. FIELD WELDING WILL BE INSPECTED VISUALLY AND BY NON-DESTRUCTIVE TESTING BY A THIRD PARTY AWS CERTIFIED WELDING FIELD WELDING WILL BE INSPECTED VISUALLY AND BY NON-DESTRUCTIVE TESTING BY A THIRD PARTY AWS CERTIFIED WELDING INSPECTOR PROVIDED BY THE OWNER. RADIOGRAPH TESTING OF THE DOOR SHEET IS THE RESPONSIBILITY OF THE CONTRACTOR. 3. ACCEPTANCE CRITERIA AND TESTING FREQUENCY FOR INSPECTED WELDS SHALL BE IN ACCORDANCE WITH TABLE 6.1 OF AWS D1.1. ACCEPTANCE CRITERIA AND TESTING FREQUENCY FOR INSPECTED WELDS SHALL BE IN ACCORDANCE WITH TABLE 6.1 OF AWS D1.1. AND SPECIFICATION 05523. 4. THE OWNER WILL HIRE A NACE CERTIFIED COATING INSPECTOR. NEW COATING SYSTEMS SHALL BE TESTED AND INSPECTED PER THE OWNER WILL HIRE A NACE CERTIFIED COATING INSPECTOR. NEW COATING SYSTEMS SHALL BE TESTED AND INSPECTED PER SPECIFICATION 09713.

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1. AN INDEPENDENT LATERAL ANALYSIS WAS NOT COMPLETED AS PART OF THIS PROJECT. UNDERSTANDING THE TANK WAS ORIGINALLY AN INDEPENDENT LATERAL ANALYSIS WAS NOT COMPLETED AS PART OF THIS PROJECT. UNDERSTANDING THE TANK WAS ORIGINALLY DESIGNED TO MEET AWWA D100, WHICH INCLUDES LATERAL LOADS, THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING A COMPLETE DESIGN CALCULATION PACKAGE SEALED BY A LICENSED PROFESSIONAL ENGINEER IN THE STATE OF COLORADO FOR ALL REPLACEMENT FRAMING, INCLUDING A COMPLETE LATERAL ANALYSIS. 2. THE FOLLOWING MINIMUM STANDARDS AND DESIGN LOADS SHOULD BE USED. DESIGN CODES: THE FOLLOWING MINIMUM STANDARDS AND DESIGN LOADS SHOULD BE USED. DESIGN CODES: A. INTERNATIONAL BUILDING CODE (IBC), 2015. INTERNATIONAL BUILDING CODE (IBC), 2015. B. AMERICAN WATER WORKS ASSOCIATION (AWWA) STANDARD FOR WELDED STEEL TANKS FOR WATER STORAGE, 2011 WITH AMERICAN WATER WORKS ASSOCIATION (AWWA) STANDARD FOR WELDED STEEL TANKS FOR WATER STORAGE, 2011 WITH HISTORIC VERSIONS WHERE APPROPRIATE. C. AMERICAN PETROLEUM INSTITUTE (API) 650, 11TH EDITION, 2007. AMERICAN PETROLEUM INSTITUTE (API) 650, 11TH EDITION, 2007. D. AMERICAN PETROLEUM INSTITUTE (API) 653, 5TH EDITION, 2014. AMERICAN PETROLEUM INSTITUTE (API) 653, 5TH EDITION, 2014. E. AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC) 360-05, 13TH EDITION. AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC) 360-05, 13TH EDITION. F. AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE), MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES 7, 2010. AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE), MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES 7, 2010. DESIGN LOADS: A. DEAD LOAD MEMBER SELF WEIGHT AND PERMANENT EQUIPMENT (490 PCF) DEAD LOAD MEMBER SELF WEIGHT AND PERMANENT EQUIPMENT (490 PCF) MEMBER SELF WEIGHT AND PERMANENT EQUIPMENT (490 PCF) B. ROOF LIVE LOAD 15 PSF, AWWA D100 ROOF LIVE LOAD 15 PSF, AWWA D100 15 PSF, AWWA D100 C. SNOW LOAD SNOW LOAD GROUND 55 PSF, SEAC 2016 COLORADO DESIGN SNOW LOADS 55 PSF, SEAC 2016 COLORADO DESIGN SNOW LOADS ROOF 50 PSF, ASCE 7-10 50 PSF, ASCE 7-10 D. WIND (SEE NOTE 1, ABOVE) WIND (SEE NOTE 1, ABOVE) BASIC WIND SPEED 120 MPH, ASCE 7-10 BASIC WIND SPEED 120 MPH, ASCE 7-10 120 MPH, ASCE 7-10 Iw 1.15, AWWA D100 1.15, AWWA D100 EXPOSURE C C WIND PRESSURES ±30.0 PSF (SIDEWALL), AWWA D100 ±30.0 PSF (SIDEWALL), AWWA D100 ±30.0 PSF (ROOF), AWWA D100 E. SEISMIC (SEE NOTE 1 ABOVE) SEISMIC (SEE NOTE 1 ABOVE) OCCUPANCY IV IV IMPORTANCE FACTOR, Ie 1.5 1.5 SOIL SITE CLASS D, ASSUMED D, ASSUMED Ss 0.161g 0.161g S1 0.054g 0.054g Fa 1.60 1.60 Fv 2.40 2.40 SDS 0.171g 0.171g SD1 0.087g 0.087g SEISMIC DESIGN CATEGORY C (PER ASCE 7-10)C (PER ASCE 7-10)

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STRUCTURAL DESIGN AND LOADS FOR REPLACEMENT VERTICAL FRAMING:

LANDSCAPE NOTES: 1. ALL AREAS DISTURBED BY BUILDING OR UTILITY CONSTRUCTION OR OVER-LOT GRADING SHALL BE ALL AREAS DISTURBED BY BUILDING OR UTILITY CONSTRUCTION OR OVER-LOT GRADING SHALL BE REVEGETATED WITH DRYLAND SEED MIXTURE. PROVIDE FRESH, CLEAN, NEW-CROP SEED COMPLYING WITH TOLERANCE FOR PURITY AND GERMINATION ESTABLISHED BY OFFICIAL SEED ANALYSIS OF NORTH AMERICA. PROVIDE SEED OF GRASS SPECIES, PROPORTIONS AND MINIMUM PERCENTAGES OF PURITY, GERMINATION, AND MAXIMUM PERCENTAGE OF WEED SEED, AS SPECIFIED. 2. FOR DRYLAND SEEDED AREAS, PROVIDE FERTILIZER WITH COMMERCIAL TYPE MIXTURE OF 16-16-8 OR FOR DRYLAND SEEDED AREAS, PROVIDE FERTILIZER WITH COMMERCIAL TYPE MIXTURE OF 16-16-8 OR SIMILAR RATION, NOT LESS THAN 15 LBS PER ACRE FOR NITROGEN RATE. 3. MULCH ALL SEEDED AREAS WITH CONWEB LONG FIBER MULCH, HAY OR STRAW. MATERIAL FOR STRAW MULCH ALL SEEDED AREAS WITH CONWEB LONG FIBER MULCH, HAY OR STRAW. MATERIAL FOR STRAW MULCHING SHALL CONSIST OF STRAW OR OATS, BARLEY, WHEAT OR RYE AND SHALL NOT CONTAIN SEED OF NOXIOUS WEEDS. CLEAN FIELD HAY MAY BE SUBSTITUTED FOR STRAW WHEN APPROVED BY THE ENGINEER. STRAW OR HAY IN SUCH AN ADVANCED STAGE OR DECOMPOSITION AS TO SMOTHER OR RETARD THE NORMAL GROWTH OF GRASS WILL NOT BE ACCEPTED. CONWEB FIBER MULCH, PREVIOUSLY SPECIFIED, SHALL BE APPLIED AT A RATE OF 1500 LBS./ACRE. HAY OR STRAW SHALL BE APPLIED IN A UNIFORM MANNER AT A RATE OF 1.5 TONS/ACRE. 4. PROVIDE EROSION CONTROL BLANKET ON ALL SLOPES OF 2:1 OR STEEPER. PROVIDE EROSION CONTROL BLANKET ON ALL SLOPES OF 2:1 OR STEEPER. 5. PRIOR TO REVEGETATION, PLANTING OR TOPSOIL PLACEMENT, ALL CUT OR FILL SLOPES WILL BE CONTOURED PRIOR TO REVEGETATION, PLANTING OR TOPSOIL PLACEMENT, ALL CUT OR FILL SLOPES WILL BE CONTOURED TO BLEND WITH ADJACENT TERRAIN. VARIOUS SLOPE MOLDING TECHNIQUES WILL BE USED TO ENHANCE THE AESTHETIC QUALITY OF THE SLOPE, WHILE MAXIMIZING THE REVEGETATION POTENTIAL. ALL CUT AND FILL SLOPES ALSO BEING ROUNDED AT THE TOE TO BLEND WITH THE EXISTING TERRAIN. ADDITIONALLY, WHERE SOILS AND STEEPNESS OF SLOPES PERMIT, TERRACES WILL BE CONSTRUCTED TO AID THE REVEGETATION PROCESS. 6. SEEDING SHALL BE DONE BY HYDROSEEDING, DRILLING, OR HAND BROADCASTING. HYDROSEED SHALL BE SEEDING SHALL BE DONE BY HYDROSEEDING, DRILLING, OR HAND BROADCASTING. HYDROSEED SHALL BE APPLIED IN A WATER AND LIGHT MULCH SLURRY AFTER WHICH MULCH WILL BE APPLIED TO COVER THE SEED. ANY AREAS THAT CANNOT BE REACHED BY HYDROSEEDING OR DRILL SEEDING SHALL BE HAND BROADCAST. AREAS SEEDED BY HAND BROADCASTING SHALL BE LIGHTLY RAKED. 7. DRYLAND SEEDING SHALL BE PERFORMED AS SOON AS PRACTICAL AFTER COMPLETING OF CONSTRUCTION, DRYLAND SEEDING SHALL BE PERFORMED AS SOON AS PRACTICAL AFTER COMPLETING OF CONSTRUCTION, WITHIN THE APPROPRIATE SEASON. SEEDING SHALL BE PERFORMED AFTER SPRING THAW UNTIL JUNE 30TH, OR AFTER SEPTEMBER 1 UNTIL CONSISTENT GROUND FREEZE. CONTRACTOR SHALL BE RESPONSIBLE FOR REGULAR WATERING UNTIL ESTABLISHED.

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Tank Rehabilitation Plan

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REMOVE EXISTING VENT AND INSTALL NEW 24" RISER AND AST-VENT, RE:DETAIL 3, SHEET S2

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TANK REPAIR PLAN

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EX. 30" SHELL MANWAY

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REMOVE AND REPLACE 24" MANWAY WITH 36"X36" BILCO TYPE E HATCH AND 6" RISER

AutoCAD SHX Text DEMOLISH E. LADDER SAFETY CAGE AND INSTALL OSHA COMPLIANT PERSONAL FALL PROTECTION SYSTEM

AutoCAD SHX Text R52.00±

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EX. 8" INLET

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ROOF FRAMING /FLOOR VIEW

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ROOF SHELL /FLOOR VIEW

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ROOF SHELL /FLOOR VIEW

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INSTALL NEW CENTER COLUMN CAPITAL RE: DETAIL 2, SHEET S2

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ROOF FRAMING /FLOOR VIEW

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EX. OUTER C-CHANNEL RAFTERS (ASSUMES C9X20 SECTION), QTY 45

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EX. LATERAL BRACING

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EX. INNER C-CHANNEL RAFTERS (ASSUMES C9X20 SECTION), QTY 30

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EX. 30" SHELLMANWAY

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INSTALL 6" OVERFLOWRE: DETAIL 1, SHEET S2

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EX. 8" OUTLET

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EX. DRAIN LINE

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CUT EXISTING C-CHANNEL RAFTERS BACK TO PROVIDE 3' CLEARANCE FROM CENTER OF TANK

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AutoCAD SHX Text STEEL HANDRAIL PER DETAIL, SHEET S2. WELD BASES TO TANK. TYP. OF BOTH SIDES OF ACCESS HATCH.

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T.O. BASE SLAB 6517.2'

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1:12 ROOF SLOPE

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OVERFLOW 6547.45'

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12" BELOW BOTTOM OF BEAM

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INSTALL OVERFLOW PIPE SUPPORT, SEE DETAIL A THIS SHEET

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TYP.

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BENT PLATE 3/8", 2 PER SUPPORT

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PLATE 3/8", TYP.

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PIPE

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TYP.

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TYP.

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EXIST. ROOF PLATE. REMOVE AND REPLACE ROOF PLATE AS NEEDED

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PLATE 1/4" STEEL RISER (BOLT PATTERN TO MATCH VENT FLANGE)

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1/4" PLATE. I.D. AND O.D. PER VENT MANUFACTURER FLANGE

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GASKET

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24" ALLUMINUMAST-VENT, AS MANUFACTURED BY ADVANCED TANK AND CONSTRUCTION

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TANK

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1/2" HOLE FOROWNER FURNISHED PADLOCK

AutoCAD SHX Text 3/4" x2" SS BOLTS, BOLT PATTERN PERVENT MANUFACTURER

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NOTE: 1. GASKET AND BOLTS PROVIDED GASKET AND BOLTS PROVIDED WITH VENT.

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AutoCAD SHX Text CURVED 4x4x1/2 SEAM WELD ENDS TOGETHER TO MAKE CONTINUOUS

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EXISTING RAFTER SECTION SEE PLAN

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EX. 1' CYLINDRICAL STEEL COLUMN

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AS NEEDED

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(2)-5/8" A325-N BOLTS @ 2 1/4"GA IN SHORT SLOTTED HOLES, TYP EA C9 RAFTER

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NOTE 2

AutoCAD SHX Text NOTES: 1. ALL CUT AND SHEARED EDGES OF NEW ALL CUT AND SHEARED EDGES OF NEW FRAMING AND CONNECTIONS SHALL BE GROUND TO A MINIMUM OF " RADIUS. 14" RADIUS. 2. PROVIDE " THICK x 72" DIAM. DOUBLER PROVIDE " THICK x 72" DIAM. DOUBLER 14" THICK x 72" DIAM. DOUBLER OVER EXISTING ROOF SHELL TO MATCH EXISTING OPENING TO NEW VENT OPENING. ATTACH DOUBLER W/CONTINUOUS WELD AT ALL EDGES.

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3/4" HOLES(TYP.)

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8 SPACES ON ANGLE

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FOR SQ. TUBES

AutoCAD SHX Text TUBE 2" x 2" x 1/4" WALL (A500B)

AutoCAD SHX Text ANGLE 4" x 4" x 1/2" (A36) 4'-0" INSIDE RADIUS

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6'-0" MAX BETWEEN POSTS

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1 " STEEL PIPE 12" STEEL PIPE RAILS (TYP 2)

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1 " STEEL 12" STEEL PIPE POSTS

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4" TOE

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WELD OR FITTINGS @ ALL JOINTS

END CAPS ON ALL RAILS

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21" (MAX)

AutoCAD SHX Text i:\2013\2013-471 town of paonia\013-2mg tank coating\H-Dwgs\Civil\PS-Sheetset\2MG Tank Rehabilitation.dwg Plotted: 3/19/2025 9:40 AM By: Scott Forrester Plotted: 3/19/2025 9:40 AM By: Scott Forrester3/19/2025 9:40 AM By: Scott Forrester By: Scott ForresterScott Forrester

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OVERFLOW DETAIL

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SCALE: 1/4" = 1'-0"

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SECTION

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SCALE: 3/4" = 1'-0"

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ROOF VENT DETAIL

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SCALE: 1/2" = 1'-0"

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ROOF SUPPORT DETAIL

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SCALE: 1/2" = 1'-0"

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ROOF SUPPORT SECTION

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SCALE: 1/2" = 1'-0"

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HANDRAIL DETAIL

SCALE: 1/2" = 1'-0"