25PW15 ADDENDUM 2.25.2026_.pdf

PARROTT CREEK CULVERT REPLACEMENT ADDENDUM

Project: Parrott Creek Culvert

Replacement

Owner: City of Roseburg

Response date: 02.24.2026

Prepared by: Erik Ranger i.e. Engineering, Inc 809 SE Pine St.

Roseburg, OR 97470

1.0 NOTICE TO ALL BIDDERS AND PLAN\HOLDERS

The Contract Documents for the above-referenced Project are modified as set forth in this Addendum. The original Contract Documents and any previously issued addenda remain in full force and effect, except as modified by this Addendum, which is hereby made part of the Contract Documents. Bidder shall take this Addendum into consideration when preparing and submitting a bid, and shall acknowledge receipt of this Addendum in the space provided on the Bid Form

2.0 BID SUBMITTAL DEADLINE

The bid submittal deadline remains the same and is not changed by this Addendum

3.0 PROJECT BID BOOKLET

The following changes are made to the Project Bid Booklet:

1. The following changes are made to the Base Project Bid Items:

a. Quantity changes:

Quantity Item Number Item Original New

18 12 INCH STORM SEWER PIPE 500 370

20 GRANULAR STRUCTURAL BACKFILL 2,000 2,300

26 AGGRETATE BASE 360 420

27 HMAC, 3-INCH THICK 100 130

b. Added items:

Item Number Item Unit Quantity

37 SANITARY SEWER BYPASS, EDDY STREET LS 1

38 SANITARY SEWER BYPASS, KANE STREET LS 1

39 SANITARY SEWER BYPASS, GILES STREET LS 1

40 8” SANITARY SEWER FOOT 290

41 10” SANITARY SEWER FOOT 115

42 8” DUCTILE IRON WATERLINE FOOT 100

43 CONNECT TO EXISTING WATERLINE EACH 2

44 CONNECT TO EXISTING SANITARY SEWER LINE EACH 8

45 CONCRETE SANITARY SEWER MANHOLE, 48” EACH 2

46 CONC SANI SEWER MANHOLE, OUTSIDE DROP EACH 1

47 RECONNECT EXTG. SANITARY SEWER LATERAL EACH 3

48 8 INCH STORM SEWER PIPE FOOT 130

49 REMOVE & REBUILD EXTG. FENCE FOOT 185

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 2 of 19 Addendum i.e. Job # 0149-232 02.24.2026

2. The following changes are made to the Alternate A Project Bid Items:

a. Quantity changes:

Quantity Item Number Item Original New

16 12 INCH STORM SEWER PIPE 35 0

26 GRANULAR STRUCTURAL BACKFILL 1,250 950

27 AGGRETATE BASE 95 160

28 HMAC, 3-INCH THICK 25 40

b. Added items:

Item Number Item Unit Quantity

16 8 INCH STORM SEWER PIPE FOOT 60

31 SANITARY SEWER BYPASS, ICHABOD STREET LS 1

32 8” SANITARY SEWER FOOT 100

33 8” DUCTILE IRON WATERLINE FOOT 100

34 CONNECT TO EXISTING WATERLINE EACH 2

35 CONNECT TO EXISTING SANITARY SEWER LINE EACH 2

36 RECONNECT EXTG. SANITARY SEWER LATERAL EACH 2

Make a copy of and use the new attached Bid Schedule. A Bid not including this new Bid Schedule will be rejected as non-responsive.

4.0 PROJECT SPECIAL PROVISIONS

SECTION 00190 – MEASUREMENT OF PAY QUANTITIES

00190.15 Payment Summary – Add the following payment summaries to the end of this section:

29. SANITARY SEWER BYPASS - This Work consists of developing a plan, and furnishing, installing, operating, and maintaining, sewer bypass when working on existing sanitary sewer sections. Payment will be in full for furnishing the required plan, all required materials, installation, maintaining and removing the bypass materials when complete. Payment will be lump sum per each culvert crossing.

30. SANITARY SEWER PIPE - This Work consists of constructing or reconstructing, sanitary sewer pipes in the kinds, sizes, and lengths and at the locations shown or as directed to the lines and grades established. The Work includes furnishing and constructing Joints and connections to other drainage Structures or systems, as necessary, for complete installation. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified. To include trench excavation, bedding, pipe zone Material, and trench backfill for pipes 72 inches and less in diameter, pipe plugs, stoppers, and other required fittings, tracer wire, and air, Joint, and deflection testing. Payment will be by the measured, installed foot.

31. DUCTILE WATERLINE - This Work consists of constructing potable water pipe and fittings 16 inches and smaller in diameter. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified to include trench excavation, bedding, pipe zone Material, and trench backfill, pipe plugs, stoppers, Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 3 of 19 and other required fittings, tracer wire, and markers balls, concrete thrust blocks, marking tape, polyethylene encasement, disinfection, flushing, and testing.

Payment will be by the installed, measured foot.

32. CONNECT TO EXISTING WATERLINE - This Work consists of connecting new waterlines to existing pipes. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified to include trench excavation, bedding, pipe zone Material, and trench backfill, pipe plugs, stoppers, and other required fittings, tracer wire, and markers balls, concrete thrust blocks, marking tape, polyethylene encasement, disinfection, flushing, and testing. Payment will be by each.

33. CONNECT TO EXISTING SANITARY SEWER - This Work consists of connecting new sewer lines or manholes to existing pipes. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified to include trench excavation, bedding, pipe zone Material, and trench backfill, pipe plugs, stoppers, and other required fittings, and tracer wire. Payment will be by each.

34. CONCRETE SANITARY SEWER MANHOLE, 48” - This Work consists of purchasing and installation of standard, 48-inch diameter manhole. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified to include excavation, bedding, backfill, pipe plugs, stoppers, and other required fittings, and tracer wire, grouting, cleaning, and predelivery and post construction acceptance testing. Payment will be by each.

35. CONCRETE SANITARY SEWER MANHOLE, OUTSIDE DROP - This Work consists of purchasing and installation of an outside drop manhole. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified to include excavation, bedding, backfill, pipe plugs, stoppers, and other required fittings, and tracer wire, grouting, cleaning, and predelivery and post construction acceptance testing. No additional payment will be made for exterior drop piping or concrete. Payment will be by each.

36. REMOVE AND REBUILD EXISTING FENCE – This work consists of removing and rebuilding existing Fences as shown or directed. Construct Fences to approximately the same condition as the original Fence. Salvage the materials in existing Fences to be removed and rebuilt and incorporate in the rebuilt Fences. Replace fence materials damaged beyond reuse at no additional cost to the Agency. Firmly reset posts to match the existing alignment. Post spacing and the number of wires to be strung and stapled to the posts shall be the same as the original Fence. Furnish and use new staples or clips to fasten the wires to the posts.

37. RECONNECT EXTG. SANITARY SEWER LATERALS - This Work consists of constructing or reconstructing, sanitary sewer laterals in the kinds, sizes, and lengths and at the locations shown or as directed to the lines and grades established. The Work includes furnishing and constructing Joints and connections to the new mainline and existing laterals, as necessary, for complete installation. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified. To include trench excavation, bedding, pipe zone Material, and trench backfill, pipe plugs, stoppers, and other required

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 4 of 19 fittings, tracer wire, and air, Joint, and deflection testing. Payment will be by each, with no additional payment for piping.

Add or append the existing with the following special provisions.

SECTION 00445 - SANITARY, STORM, CULVERT, SIPHON, AND IRRIGATION PIPE

Comply with Section 00445 of the Standard Specifications modified as follows:

00445.10 General – Add the following paragraph after the third paragraph; Wherever sewer mains cross water lines with less than 18 inches of vertical clearance, the sewer main shall be C900 PVC, DR18 conforming to 02470.40 for the entire distance between manholes. Wherever sewer laterals cross water lines with less than 18 inches of vertical clearance, the sewer lateral shall be C900 PVC or ductile iron pipe for a minimum distance of 9 feet on each side of the waterline, centering the pipe section on the waterline.

00445.11 Materials – Add the following bullets to the end of this subsection:

(f) Pipe Materials - See profile on construction plans for pipe material designation Unless specified otherwise, all sanitary sewer pipe used on this project shall be 3034, SDR35 Polyvinyl Chloride (PVC) Pipe conform to 02410.70. All service Tee connections shall be gasketed PVC factory fabricated sections meeting the same requirements as the pipe. Ductile Iron Pipe shall be Class 50 when called out on plans. Use centrifugally cast ductile iron pipe meeting the requirements of AWWA C151. Ductile iron pipe shall have a Protecto 401 Ceramic Epoxy lining or approved equal. Joints shall conform to AWWA C111/A21.11-00 for push on rubber gasket joints and shall be Tyton® or approved equal. Joint gaskets including gasket lubricant shall be furnished with the fittings. Sanitary sewer pipe used as carrier pipe shall be C900 PVC, DR18 conforming to 2470.40.

00445.11(e) Tracer Wire – Tracer wire shall be 12-gauge solid copper insulated high molecular weight polyethylene (HMW-PE) tracer wire. The HMW-PE insulated cover shall be green and a minimum 45 mil thick. The wire shall be UL rated for 140°F.

Construction 00445.40(b) Line and Grade -

Add the following bullet to the end of this section: .

Standing water in excess of 3/8 inch

00445.43(c) PVC Pipe – Add the following at the end of this section:

Field verify size of existing sanitary service lines located near the property line prior to placing mainline pipe and required Tee section. Match the Tee to the appropriate service size along with the service pipe size between the mainline and property line. Size shall be 4-inch minimum.

If 6-inch line is used into the dwelling, then use 6-inch from the main line. No additional payments will be made for 6-inch services.

00445.70(b) Siphon, Irrigation and Sanitary Sewer Installations – Delete the last sentence and substitute the following:

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 5 of 19

Contractor shall perform deflection and air testing on full pipe runs. The agency will perform a video inspection.

00445.72(b) Hydrostatic Testing – Delete this subsection for Sanitary Sewer Pipe testing.

00445.72(c) Air Testing – Replace this subsection, except for the subsection number and title, with the following: The pressure test gauge used in air testing shall have a minimum divisions of

0.1 psi and an accuracy of 0.0625 psi. The test procedure is as follows

(1) Add air slowly to the section of system being tested until the internal air pressure is raised to 4 psi greater than the average back pressure due to groundwater. When acceptable to the engineer, 5 psi may be used to account for groundwater.

(2) After the test pressure is reach, allow at least 2 minutes for the air temperature to stabilize, adding only the amount of air required to maintain pressure.

(3) After the temperature stabilization, disconnect the air supply.

(4) Monitor the pressure gauge for the minimum time required. There will be no internal air pressure drop allowed with 3034 PVC pipe. In no case shall length of test (T) be less than the following chart.

Pipe Diameter (inches)

Min Time (min:sec)

Length for Min Time

(Feet)

Time for longer length

(sec) 8 3:47 298 0.76L

00445.74 Video Inspection of Sanitary and Storm Sewers – Replace this subsection, except for the subsection number and title, with the following:

Video inspection will be performed once by RUSA 30 days after the trench is completely backfilled at no cost to the contractor. Prior video inspections or subsequent video inspections will be performed by the agency at the contractor’s expense. The contractor will be charged for subsequent testing required due to failing tests and will be deducted from contract payments per 00195.502(a-5).

00445.91 Payment – Add the following to the description for item (b):

In item (b) payment will be made on a length basis on the service laterals regardless of method of installation and will include payment in full for furnishing and placing all materials, and for furnishing all equipment labor, clean-outs, tee’s, wye’s, caps, covers and other fittings along with incidentals necessary to complete the work as specified. No additional payments will be made for 6” services.

SECTION 00470 - MANHOLES, CATCH BASINS, AND INLETS

Comply with Section 00470 of the Standard Specifications modified as follows:

00470.11 Precast Concrete Manholes and Bases – Add the following after the first paragraph:

Sanitary manhole cone sections shall have a concentric opening. All sanitary manholes shall be 48-inch nominal inside diameter unless specified otherwise. Connections to existing manholes shall be cored or saw cut only.

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Replace the paragraph that begins “Prior to delivery of precast….” with the following paragraph:

Prior to delivery of precast manhole sections to the job site, perform yard permeability tests at the point of manufacture. Test all manhole sections to be supplied for this project. All test specimens will be mat tested, and shall meet the permeability test requirements of ASTM C497.

The Engineer may require that each manhole be tested per ASTM C 1244 as an alternative to ASTM C497. All tests shall be observed and certified by a qualified registered professional engineer or certified special inspector provided by the manufacturer.

00470.13 Inside Drop Manhole Connectors – Delete this subsection as inside drop manholes are not required.

00470.45 Steps and Ladders – Delete this subsection as steps and ladders are not required.

00470.71(b) Vacuum Testing – Replace the paragraph that begins “Field test all sanitary sewer manholes….” with the following:

Field test all sanitary sewer manholes for acceptance by vacuum testing after completion of backfilling, compaction, and surface restoration, including paving. If the manhole fails the test, necessary repairs are to be made to the exterior of the manhole. Prior approval by the Engineer of repair methodology is required. Repair and retest the manhole until satisfactory test is obtained. Contractor is responsible for all testing. All testing to be witnessed by RUSA and the Engineer.

00470.80 Measurement – The quantities of manholes and other structures will be measured on the unit basis.

SECTION 00490 – WORK ON EXISTING SEWERS AND STRUCTURES

Comply with Section 00490 of the Standard Specifications modified as follows:

00490.40 General – Replace the paragraph that begins “Bypass pump sanitary sewer….” With the following:

Bypass pump sanitary sewer flows around the pipe section or manhole being repaired or replaced by plugging existing upstream manholes and/or pipes and pumping the flow around the work to a downstream manhole and/or pipe. Submit a bypass pumping plan to the Engineer at least two weeks before beginning bypass pumping and obtain approval from the engineer.

Use a pump with adequate capacity to handle existing flows. Pumps shall not exceed a noise level of 86 dB at a distance of 50 feet. Do not operate bypass pumps at night except in an emergency. At the end of each working day, temporary tie-ins shall be made between replaced section and existing system. Do not discharge raw sewage onto private property or city streets, or into storm drain systems. The bypass pumping plan shall include an emergency response plan to be followed in the event of a failure of the bypass pumping system.

The pumped sewage shall be in an enclosed hose or pipe that is adequately protected from traffic and shall be redirected in a sanitary sewer system. The contractor shall be liable for all cleanup, damages, and resultant fines in the event of a spill. The contractor shall take all

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 7 of 19 necessary precautions to ensure that no private properties are subjected to a sewage backup or spill. After work is completed, flow shall be returned to the replaced sewer and all temporary equipment removed.

Removed pipe & manhole materials shall be hauled off site.

00490.90 Payment – Add the following Pay Items to the Pay Item list:

(j) Connect to Existing Pipe.……………… Each

(k) Sanitary Sewer Bypass___…………… LS

SECTION 01140 – POTABLE WATER PIPE AND FITTINGS

Comply with Section 01140 of the Standard Specifications supplemented and/or modified as follows:

01140.10 Materials – Before the first sentence, insert the following:

All waterline materials supplied by the Contractor shall be American Made.

01140.40(c) Grade and Alignment Changes – Supplement this subsection with the following:

Pothole existing utility crossings a minimum of 100 feet in advance of the pipe installation to identify any grade conflicts. Notify the Engineer of any conflicts. Pothole proposed connections to existing water main prior to the start of construction to confirm horizonal and vertical location of the existing main. Notify the Engineer of any conflicts.

01140.41(a) General – Add the following paragraph: All pipe shall have a minimum cover of 36 inches below the existing road grades, or as shown on the plans.

01140.41(f) Other Utilities– Replace the first sentence in the paragraph beginning with “Maintain a minimum vertical…”with the following: Maintain a minimum vertical clearance of 6 inches between installed pipe and other utilities.

01140.44 Thrust Restraint: - Replace the entire section with the following. Restrained joints will be required at all valves, reducers, bends, tees, crosses, dead ends, vertical offset fittings, and all pipe joints within the indicated or specified restraint distances shown on the approved construction drawings. Otherwise, mechanical restraints (i.e. mega-lugs or approved equal) shall be required at all fittings in addition to thrust blocks. When special circumstance dictates, the City may require 100% joint restraint.

The specified restraint distance on each side of the fitting shall be indicated on the approved construction drawings. Joint restraint systems shall be designed and installed according to the manufacturer’s recommendations.

Specified restraint distances shall be designed using a minimum factor of safety of 2.5 and be based on EBAA Iron Thrust Restraint Calculator, DIPRA Thrust Restraint Program, McWane Thrust Restraint Calculator, or an approved equal.

Thrust blocks may still be required in certain circumstances or when required by the City.

Examples may include connections to existing cast iron, pvc, asbestos cement, or any pipe

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 8 of 19 material that is deemed to be fragile or unrestrained, hot taps or cut in tee’s, fire hydrants, or when key way thrust blocks are required to secure end of line blow off assemblies.

Add the following subsections:

01140.47 Connections to Existing Mains – Add the following prior to the first paragraph: All testing and disinfection shall be coordinated with City of Roseburg Public Works Department staff. Before any connections are made to the existing distribution system, newly constructed waterlines (including all fittings, valves, fire hydrants, and other appurtenances) shall, in this order, be:

1. Flushed at a minimum rate of 2.5 fps.

2. Pass a pressure test. Pressure testing shall be done according to American Water

Works Association (AWWA) Standards and approved by City of Roseburg Public Works Department staff.

3. Pass bacteriological testing. Disinfection and flushing shall be done according to AWWA Standards. City of Roseburg Public Works Department staff shall determine sampling points and collect samples.

All water used during filling, flushing, pressure testing, and disinfecting the waterline shall be metered and billed to the Contractor and disposed of properly. Obtain a fire hydrant meter from the City of Roseburg per Section 00340 for all water used during filling, flushing, pressure testing, and disinfecting the waterline. The new waterline shall be built as close as possible, as determined by the City inspector, to the existing water system at points where connections are to be made. Blow-offs that conform to City of Roseburg Standards shall be provided by the Contractor at all dead-ends and points of connection to the existing system. A temporary fill point shall be provided by the Contractor for filling, flushing, pressure testing, and disinfecting the new water system.

01140.47(c) Connection Assemblies – Add the following to this subsection: The work to perform the connection may need to be carried out during times other than normal working hours. Coordinate these times with the Engineer and Public Works staff. Do not operate any valves on the existing system. City staff will operate all existing valves to isolate waterlines for required work.

01140.47(e) Cutting Main Lines – Add the following to this subsection: Due to the age of the existing water lines and valves, leakage of existing facilities may occur during connection to the existing mains. Keep pumps on-site that are adequate to keep trenches dewatered. Provide sediment filtering for dewatering water prior to discharge per Section 00280. Coordinate with the City of Roseburg Public Works Department prior to connection.

01140.48(a) Service Transfer – Add the following to this subsection: Where existing services are to be transferred from old to new mains, the Contractor shall coordinate their work to limit interruption of service to four hours, unless otherwise noted on the Contract Drawings. Notify all affected water users a minimum of 48 hours prior to disruption of service. Distribute door hangers as provided by the City of Roseburg Public Works Department to each affected water user. The door hanger shall include a specific date and time of the disruption of service.

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01140.48 Maintaining Service – Add the following new subsection: (c) Sequencing - Water service shall be provided to each property through duration of construction. Temporary shut downs to water service may be done for the services on Eddy St and Ichabod St as needed for capping, pipe removal, and re-instatement. The maximum duration of the shutdown will be 4 hours. If more time is needed then temporary services connections will be provided to each of the affected property owners. Temporary services, if needed, shall be considered incidental.

Notify all affected water users a minimum of 48 hours prior to disruption of service. Distribute door hangers as provided by the City of Roseburg Public Works Department to each affected water user. The door hanger shall include a specific date and time of the disruption of service.

Contractor shall submit a connection and sequencing plan for waterline construction on for approval by the City and engineer. If temporary water service is requested provided, it shall be trench buried. Single short sections of new waterline may be completed by swabbing the interior of the pipe with a chlorine solution and visual inspection of the fitting connections.

01140.51(a) General – Add the following sentences to the beginning of the first paragraph:

Hydrostatic tests shall be monitored by the Engineer or the City of Roseburg Public Works Department.

01140.51(a) General – Add the following sentences to the beginning of the first paragraph:

Hydrostatic tests shall be monitored by the Engineer and the City of Roseburg Public Works Department.

01140.52(h) Flushing and Testing – Add the following at the end of this subsection: Do not discharge highly-chlorinated water used for disinfection to the storm sewer system, sanitary sewer system, or surface water drainage. Follow applicable federal, state, and local regulations concerning the discharge of chlorinated water. Contractor must request and receive written approval from the Roseburg Urban Sanitary Authority (RUSA) for discharge into the sanitary sewer system. If approved, then provide a minimum of 48 hours’ notice to RUSA prior to discharge. The Contractor shall not have a direct connection to the sanitary sewer but shall hold the hose a minimum of one foot above the manhole in order to provide an air gap.

01140.80 Measurement

(a) Pipe, Fittings, and Couplings - Add the following:

Measurement shall include length of pipe, valves, and fittings as measured along the centerline alignment of the water main between points of connection to the existing system as shown on the plans. Measurement for additional pipe spools, valves, and fittings necessary for connections shall not be included in this pay item and will be included in the pay item for connections to existing mains. Pipe for hydrant runs (as necessary) shall not be included in this pay item and will be included in the pay item for hydrant assemblies, including all necessary bends, valves, and fittings necessary to complete hydrant installation. Measurement for Ductile Iron Water Pipe Installation shall include, saw cutting, thrust block installation, marker balls, fittings (unless specifically called out in the bid schedule), pressure testing, flushing and disinfections and other work necessary for the installation of the waterline not specifically listed in the bid schedule.

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(b) Extra Trench Excavation - Replace this subsection with the following: Measurement of excavation and backfill for water main line will be made according to Section 00405. No work beyond allowable widths specified in 00405.41(c) will be measured, unless approved in writing by the Engineer. No measurement of excavation, bedding and backfill for work other than water main installation will be measured. (e) Extra for Encasing Sanitary Sewer Lines - The quantities of extra for encasing sanitary sewer lines will be measured on the unit basis.

Add the following: CLSM will be measured according to 00442.80.

01140.90 Payment – Add the following pay items:

Pay Item Unit of Measurement

(o) Connection to Existing - ________……………………………...…..……Each

Add the following:

Item (b) will not be used. All restrained and non-restrained joint potable water pipe will be paid under item (a). Any restrained joints are incidental to item (a).

In item (o), the street names will be inserted in the blanks.

Item (o) shall include all pipe spools, fittings not included in the bid schedule, sleeves, additional excavation and backfill beyond the trench limits specified in 00405.41(c), testing, disinfection, saw cutting, and other work necessary for a complete connection.

Item (p) shall include all saw cutting, excavation, backfill, and other work necessary to encase existing sanitary sewer lines in CLSM.

CLSM will be paid for according to 00442.90.

Item (b) shall include saw cutting, thrust block installation, fittings and valves (unless specifically called out in the bid schedule), pressure testing, flushing and disinfections and other work necessary for the installation of the waterline not specifically listed in the bid schedule.

No additional payment will be provided to relay the pipe due to a conflict that was shown on the plans, located or not located or could reasonably be determined by the Contractor by potholing in advance of pipe lay operation.

No additional payment will be provided for replacement of existing storm or sewer piping damaged during watermain installation.

Add to the last paragraph:

• Fittings or couplings not included in the bid schedule

• Couplings between pipe testing segments

• Mechanical joint restraint devices

• Removal of existing pipe, hydrants, valves, and fittings

• Chlorination tap

• Temporary plugs or caps, blow-off assemblies, and thrust blocking for testing.

• Exploratory excavations

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• Temporary restraint of the existing water system including hydrants, valves, pipe, and fittings as necessary to construct the proposed water main

• Installing, maintaining, and removing temporary construction blow-offs

• Removal of existing fittings, waterline, and thrust blocks to permit proposed connections

• Marker balls

Section 02470 - Potable Water Pipe Materials

Comply with Section 02470 of the Standard Specifications, modified as follows:

02470.20 Ductile Iron Pipe:

Replace this section with the following:

(a) General – Ductile iron pipe shall be designed in accordance with the latest revision of ANSI/AWWA C150/A21.50 for a minimum 150 psi rated working pressure plus a 100-psi surge allowance. If anticipated project requirements include greater working or surge pressures, the actual anticipated total pressure should be used. This design standard incorporates a 2 to 1 factor of safety on the sum of working pressure plus surge pressure. The laying condition shall be Type 5 and a depth of cover of 3 feet shall be used.

Ductile iron pipe shall be manufactured in accordance with the latest revision of ANSI/AWWA C151/A21.51. The raw material for ductile iron shall have an average minimum recycled content consisting of 90% scrap iron and steel. Each pipe shall be subjected to a hydrostatic pressure test of at least 500 psi at the point of manufacture.

All coatings and materials specified herein which may come in contact with potable water shall conform to National Sanitation Foundation (NSF) Standard 61 and 372.

Pipe shall be centrifugally cast, new, free of defects, and externally marked, in manufactures color, indicating gauged pipe. Pipe shall be sound, smooth, and free from scales, lumps, blisters, sandholes, laps and defects of any nature which would make unfit for intended use. Plugging, filling, burning-in, or welding will not be permitted.

(b) Tolerances –

1) Pipe shall be furnished in nominal 18-foot or 20-foot lengths.

2) Pipe shall be true circles in section with the inner and outer surfaces concentric.

3) The weight of any single pipe shall not be less than the theoretical calculated weight by more than 6 percent for pipe smaller than 12 inches in diameter, or by 5 percent for pipe larger than 12 inches in diameter.

4) When specified, gauged pipe shall be fully gauged along the entire length and shall meet the outside diameter (OD) standard dimensions and tolerances required for spigot ends, along the entire pipe piece length as specified in AWWA C151, Table 3.

(c) Strength Requirements – Ductile Iron Pipe shall have the following minimum values:

Tensile Strength 60,000 psi Yield Strength 42,000 psi Percent Elongation 10%

(d) Coatings and Linings –

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Coatings and Linings shall be in accordance with ANSI/AWWA C151, Section 4.4 as follows:

1) Outside coating – The outside coating used under normal conditions shall be an asphaltic coating approximately 1 mil thick. The coating shall be applied to the outside of all pipe, unless otherwise specified. The finished coating shall be continuous and smooth, neither brittle when cold or sticky when exposed to sun, and shall be strongly adhered to the pipe.

2) Interior coating - The inside coating shall be a cement mortar lining and seal coat as specified in ANSI/AWWA C104/A21.4-16, or latest revision.

(e) Thickness Class Ductile Iron Pipe All pipe for water mainlines shall be thickness class ductile iron pipe as specified in in ANSI/AWWA C151/A21.51-09, Table 3, unless otherwise specified. 4-inch Ductile Iron Pipe shall be Class 52, 6-inch Ductile Iron Pipe shall be Class 51, 8-inch through 16-inch shall be Class 50, and 18-inch & larger Ductile Iron Pipe shall be Class 52, unless otherwise approved by the City.

The nominal thickness, net weight without lining, and casting period shall be clearly marked on each length of pipe. Additionally, the mark of the manufacturer, country where cast, year in which the pipe was produced, and the letters “DI” or “Ductile” shall be cast or stamped on the pipe.

(f) Push-On Joints Joints shall conform to AWWA C111/A21.11-12 for push on rubber gasket joints and shall be Tyton® type or Fastite® type without exception. Unless otherwise noted, the pressure rating shall be 350 psi minimum. Joint gaskets including gasket lubricant shall be furnished with the fittings.

(g) Testing and Disinfection All pipe, fittings and accessories shall be installed and tested in accordance with the latest revision of ANSI/AWWA C600. Newly installed ductile iron water mains shall be disinfected in accordance with the latest revision of ANSI/AWWA C651 prior to placing in service.

(h) Approved Pipe Manufactures Ductile iron pipe shall be manufactured in the United States of America in accordance with ANSI/AWWA C151/A21.51 unless otherwise approved by the City. Approved manufactures include: American Ductile Iron Pipe, McWane Ductile, and U.S. Pipe.

02470.30 Steel Pipe 6 Inches and Larger: Delete this section

02470.35 Steel Pipe Under 6 Inches: Delete this section

02470.40 Polyvinyl Chloride (PVC) Pipe 4” Inches and Larger: Delete this section

02470.45 Polyvinyl Chloride (PVC) Pipe Under 4 Inches: Delete this section

2470.50 Polyethylene Encasement – Add the following:

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(a) Polyethylene Encasement shall be V-Bio® Enhanced Polyethylene Encasement manufactured. V-Bio film shall be a three layer protection system consisting of an enhanced polyethylene encasement infused with a corrosion inhibitor and anti-microbial additive meeting or exceeding ANSI/AWWA C105/A21.5, ASTM A674, and ISO 8180. Acceptable manufactures include McWane Ductile, US Pipe, DIPRA, or approved equal.

2470.60 Marking Tape and Wire:

(a) Marking Tape - Add the following:

Marking tape shall consist of inert polyethylene plastic that is impervious to all know alkalis, acids, chemical reagents and solvents likely to be encountered in the soil. The tape shall be a minimum of 6-inches in width. The tape shall be blue and shall be imprinted continuously over it’s entire length in permanent black ink with the words

“CAUTION BURIED WATER LINE BELOW”.

(b) Detectable Marking Wire – Replace this sentence as follows:

Detectable marking wire shall be No. 12 AWG solid copper wire with high molecular weight polyethylene (HMWPE) insulation. The HMWPE insulated cover shall be blue in color and have a minimum thickness of 45 MILS. Wire shall be UL rated for 140 degrees Fahrenheit. Joints or splices shall be waterproof.

(c) Electronic Locating Materials – Add the following:

A. Marker Balls:

1. Exterior Material: High-Density Polyethylene.

2. Size: Maximum 4.5 inches in diameter

3. Range: Locatable with standard electronic marker locating devices at depths up to 5 feet.

4. Field Type: Spherical RF field regardless of orientation.

5. Contain no floating or movable parts, and no batteries or active components.

6. Color: Provide Blue – Potable Water

7. Manufacturer and Product: Omni Marker Model 161 (Blue), or approved equal.

8. Install according to manufactures recommendations and as shown or directed and according to the following requirements:

a. Install marker balls directly above the pipe alignment at a depth no less than

3 feet and no more than 4.5 feet below final surface grade.

b. Install marker balls during trench backfill operations by placing the marker ball in compacted backfill.

c. Cover marker ball with a minimum of 6 inches of backfill and compact backfill before continuing trench backfill operations.

d. Install marker balls with trenchless pipe installations by core-drilling hole or a minimal diameter needed to allow clearance for placement of marker ball.

Backfill with approved trench backfill, pavement base and pavement, as applicable.

B. Water Marker Ball Locations:

a. Install marker balls directly above connection points, air valve and service taps, termination points and all fitting locations, and at a minimum spacing of

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50 linear feet on water lines with a straight horizontal alignment and deflected radius of curvature.

(d) Tracer Wire Connectors:

a. Waterproof, corrosion proof and suitable for No. 12 AWG solid core wire.

b. Prefilled with silicone and suitable for use with low-voltage tracer lines of less than 50 volts.

c. Lug Connectors shall be water proof plastic housing that encases the silicone prefilled lug terminals. Manufacturer and Product: King Innovations;

DryConnTM Direct Burry Lug, or approved equal.

d. Twist Connectors shall be waterproof epoxy-filled packaging that encases the silicone prefilled twist connectors.

e. Manufacturer and Product: 3M Division; DBY Direct Bury Splice Kit 09053 connectors, or approved equal.

Section 02475 – Potable Water Fitting Materials

Materials

Comply with Section 02475 of the Standard Specifications modified as follows:

Section 02475.20 Ductile Iron Pipe Fittings

Delete the second to last sentence in this paragraph starting with the word “Gaskets”. Add the following section(s) after this paragraph:

(a) General - All fittings and accessories shall be new and unused. Fittings shall have distinctly cast upon them the manufactures identification, pressure rating, nominal diameters of openings, and (on all bends) the number of degrees. Ductile Iron Pipe shall be manufactured in the United States of America unless otherwise approved by the City.

(b) Gaskets- Gaskets for flanged joints (excluding insulating flange joints) shall be as follows:

1) Pipe sizes up to 24-inch: Gaskets shall be full face gaskets, premium red rubber, 1/8-inch thickness, Garlock 22, or equal.

2) Pipe sizes 24-inch and greater: Gaskets shall be ring gaskets, premium red rubber, 1/8-inch thickness, Garlock 22, or equal.

(c) Testing - Testing shall be in accordance with AWWA C110

(d) Linings and Coatings - Fittings shall be coated inside with an epoxy or cement mortar with an asphaltic seal coat conforming to AWWA C104, and coated outside with an approved epoxy or a bituminous coating at least 1 mil thick, as noted in AWWA C110.

(e) Flanged Fittings - Flanges shall be drilled in accordance with ASME B16.1 Class

125. Flange faces shall have shallow serrations. Flange bolt holes shall be spot-faced.

(f) Compact Fittings - All ductile iron fittings 24-inch and under, where applicable, shall be of compact design conforming to AWWA C110, AWWA C104, and AWWA C153.

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(g) Glands- All glands are to be ductile iron conforming to AWWA C111.

(h) Approved Fitting Manufactures -

All pipe fittings shall be manufactured in the United States of America unless otherwise approved by the City. The only exception shall be non-domestic ductile iron AWWA C153 and C110 fittings manufactured by McWane Ductile (Tyler/Union) which meet the requirements listed elsewhere in Section 2475.

Section 02475.50 – Restrained Joints – Add the following paragraphs

Restrained joint ductile iron pipe and fittings shall be provided as identified on the engineered construction drawings. All fittings shall be restrained to the specified restraint distances as required for the application and as shown on engineered construction drawings. Suspended pipe and pipe through casings will be mechanical joint pipe as shown on plans. Pipe at other locations may be push-on joints. Joint restraint for pipe shall be accomplished with an integral lock mechanism except as may be otherwise specified. Any such system shall be a manufacturer’s standard proprietary design, shall be as recommended by the manufacturer for the application, and shall be performance proven.

Restraining components for pipe shall be ductile iron in accordance with applicable requirements of ANSI/AWWA C110/A21.10 and/or C153/A21.53 with the exception of the manufacturer’s proprietary design dimensions. Restraints for mechanical joints shall be epoxy coated. Push-on joints for such fittings shall be in accordance with ANSI/AWWA C11.A21.11.

Restrained joints for pipe shall be designed for the test pressure as specified for the lengths of pipe shown on the drawings. The maximum pipe deflection shall not exceed on half of the manufacture’s stated joint deflection allowance.

Restrained joint systems shall be from the following list or approved equal:

Boltless Restrained Joint Pipe:

Approved boltless restraint joint pipe manufacture and systems include:

1. “Flex-Ring” , American Cast Iron Pipe Company

2. “TR FLEX” , United States Pipe and Foundry Company

3. “TR Flex” , McWane Ductile

4. “HDSS” , United States Pipe and Foundry Company

5. or approved equal.

Mechanical Restraints:

Where such a system may require “MEGALUGs” for restrains, “MEGALUGs” (or approved equal) restraining glands shall be provided at all fittings in quantities as may be required and shall be considered incidental to the joint restrain system. Restraining glands shall be manufactured from ductile iron meeting or exceeding ASTM A536, Grade 65-45-12 with an electrostatically applied coating with a bonded coating systems. Restrained piping shall be pressurized following installation and prior to completing tie-ins. Approved mechanical joint restraint systems and manufacture include:

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6. “MEGALUG” , EBBA Iron, Inc.

7. “TUFGRIP” , Tyler Union / McWane Ductile

8. “ROMAGRIP” , ROMAC Industries, Inc.

9. or approved equal.

Restrained Gaskets:

Approved restrained joint gaskets systems and manufacture include:

9. “Amarillo FAST-GRIP”, American Cast Iron Pipe Company

10. “FAST-GRIP” , American Cast Iron Pipe Company

11. “FIELD LOK 350” , US Pipe

12. “SURE STOP 350” , McWane Ductile

13. “GRIPRING” , Romac Industries, Inc.

14. or approved equal.

Section 02480 – Potable Water Valve Materials

Materials Comply with Section 02480 of the Standard Specifications, modified as follows:

02480.20 Gate Valves:

(a) Minimum Pressure – Replace the first sentence with:

Gate valves shall be reduced-wall, ductile iron-body, resilient-seated gate valves meeting the requirements of AWWA C515.

Add the following subsection:

(d) Approved Gate Valve Manufactures –

All gate valves shall be manufactured in the United States of America unless otherwise approved by the City. Approved manufacturers makes and models include American Flow Control Series 2500, American AVK Series 65, Kennedy KS-RW, Clow Model 2638, or an approved equal.

02480.25 Valve Boxes – Replace this section with:

Valve boxes shall be Rich Style 931 with ductile iron upper and lower sections or approved equal. All lids are to be stamped or cast with a “W” or “Water”.

02480.26 Valve Stem Extension – Replace last sentence with:

Valves with an operating nut shall be located between 2 feet and 4 feet below finished grade. Operating nuts more than 4 feet below finished grade shall have a valve extension raising the operating nut to 2 feet below finished grade.

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Approved manufactures include Fiberplas® Fiberglass valve can extension, manufactured by Pipeline Products, or approved equal.

02480.30 Tapping Sleeve and Valve Assemblies: Replace this section as follows:

(a) Stainless Steel – Flanged Tapping Sleeves

1) Stainless steel tapping sleeves shall be fabricated from 18-8 Type 304 stainless steel or its equivalent.

2) Stainless steel flanges shall comply with AWWA C228-08, with ANSI class 150 drillings and be recessed to accept tapping valve per MSS-SP 60.

3) Bolts and hardware to be type 304 stainless steel and the branch outlet shall be heavy stainless steel pipe.

4) Unit shall have a stainless steel test plug.

5) Gasket shall be SBR material and be full circumferential.

6) Tapping sleeves shall be ANSI/NSF Standard 61 certified.

7) Sleeves 4”-8” Shall have a working pressure of 250 PSI

Sleeves 10”-24” Shall have a working pressure of 200 PSI Sleeves 26”-30” Shall have a working pressure of 150 PSI

(b) Steel – Flanged Tapping Sleeves (For Tapping Ductile Iron Pipe Only)

1) Sleeves shall be manufactured from materials per AWWA C200 and be finished with fusion bonded epoxy minimal 12 mils exterior, NSF approved.

2) Sleeve shall be capable of installation on several classes of ductile iron pipe as well as Asbestos-Cement and Cast Iron pipe.

3) Installation shall include no special tools, shims, welding, or caulking.

4) Fabrication shall be in accordance with AWWA C200 and C207.

5) Steel flanges shall comply with AWWA C207, Class D with ASME B16.5, 150

PSI drilling.

6) Flanges shall be recessed to mate with standard tapping valves per MSS-SP-60 up through 12-inch size.

(c) Ductile Iron – Tapping Sleeves

1) Sleeves shall be manufactured from materials per AWWA C110, C111, C115, C150, and/or C153 as applicable.

2) Sleeves shall be capable of installation on several classes of ductile iron pipe as well as Asbestos-Cement and Cast Iron pipe.

3) Installation shall include no special tools, shims, or caulking.

4) Sleeves shall be manufactured in accordance with MSS-SP-111.

5) Ductile Iron flanges shall comply with AWWA C110, C115, C150 with ASME

16.1, Class 125 drilling. Flange ends shall be manufactured in accordance with

MSS-SP-60

(d) Pressure Rating

The installed assembly must be rated by the manufacturer for a minimum working pressure of 175 psi and capable of a minimum test pressure of 125% without leakage or pressure loss.

(e) Valve Assemblies - Furnish tapping valves with flanged inlet end connections. The outlet ends shall conform in dimension to the AWWA Standards for hub or mechanical joint

Parrot Creek Culvert Replacement i.e. Engineering, Inc. Page 18 of 19 connections, except that the outside of the hub shall have a large flange for attaching a drilling machine. The seat opening of the valve shall permit a diameter cut no less than ½ inch smaller than the valve size. Valves specifically designed for tapping shall meet the requirements of AWWA C500-09, C509-15, and C515-15. Tapping valves shall be of the same type as other valves on the project.

(f) Approved Manufactures and Models –

1) Stainless Steel Tapping sleeves shall be manufactured by:

- JCM 432 Series

- ROMAC SST

- ROMAC SSTIII

- ROMAC STS 420 (for use on Ductile iron only)

- Or approved equal

2) Steel tapping sleeve shall be manufactured by:

(for use on Ductile Iron only):

- JCM 412 series

- ROMAC FTS-420 Series

- Smith Blair 622 and 623 series

- Or approved equal

3) Ductile Iron Tapping sleeves shall be manufactured by:

- American Flow Control, Series 2800-A (for Asbestos Cement (A-C) Pipe

- American Flow Control, Series 2800-C (for Ductile Iron or Cast Iron Pipe)

- Tyler Union 25U Mechanical Joint Tapping Sleeve

- Or approved equal

4.0 PROJECT PLANS

The following changes are made to the Project Plans:

1. Plan sheets C03, C04, C07, C08, C11, C12, C15, and C16 have been revised to show the removal and replacement of the existing sanitary sewer and waterline utilities within the excavation zone of the proposed culvert replacement.

2. Plan sheets C04, C08, C12, and C16 have been revised to show that the asphalt replacement depth is 3”.

3. Storm sewer inverts adjusted on C04.

5.0 CLARIFICATIONS

The following are provided as a matter of information to clarify issues raised or questions about the Contract Documents. To the extent that changes to the Contract Documents are required based on the questions received, the Contract Documents have been modified as noted above in the Project Bid Booklet and Project Plans sections of this Addendum.

1. Existing sanitary sewer lines shall be removed and replace as required for construction.

Service shall be maintained through out construction. Bypass pumping is allowed during work hours, 7:00 a.m. to 7:00 p.m. After work hours and when contractor is not onsite, sewer flow will be maintained by gravity flow through temporary connections as required.

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2. The bid item “GRANULAR STRUCTURAL BACKFILL” only pays for MSE wall backfill and culvert foundation fill. Embankment outside of the wall prism is incidental to excavation.

3. Asphalt pavement thickness is to be three inches thick, placed in one lift.

Enc: Bid Tabs Plan sheets C03, C04, C07, C08, C11, C12, C15, and C16 RUSA standard details

END OF ADDENDUM

Page 18 – (Prevailing Wage Projects) addendum 2.24.2026

BID FORM

City of Roseburg 900 SE Douglas Avenue Roseburg, Oregon 974700

The undersigned bidder has carefully examined the Contract Documents for the construction of the

PARROTT CREEK CULVERT REPLACEMENT

Project No. 25PW15 referred to in the Invitation to Bid dated February 4, 2026, inviting bids on such Project and also the site of the Project. Bidder will provide all necessary labor, equipment, tools, apparatus and other means of construction, do all the work and furnish all the materials called for by said Contract Documents in the manner prescribed therein to provide a complete Project.

The undersigned bidder understands that the quantities of work as shown herein are approximate only, unless noted otherwise, and are subject to increase or decrease. The bidder offers to perform the work, at the unit price stated in the following schedule, whether the quantities are increased or decreased.

The bid tabulation has a base bid and an additive alternate bid. The base bid consists of all work that will take place to replace the three culverts crossings…