25PW15 - Addendum 4.pdf
PDF 2 MB Posted
- Attached to
- 25PW15 - Parrott Creek Culvert Replacements
- Solicitation number
- S-KR1079-00015938
- Issued by
- Deschutes County, Oregon
About this file
Summary of Addendum 4 for Parrott Creek Culvert Replacement Project
This is an addendum document issued by i.e. Engineering, Inc. on behalf of the City of Roseburg, Oregon, modifying the contract documents for the Parrott Creek Culvert Replacement project (25PW15). The addendum was prepared by Erik Ranger and issued with a response date of March 2, 2026. The document clarifies several technical specifications and corrects errors in the original contract documents, including corrections to sheet 15a (formerly sheet 15) titled "Giles Street Erosion Control and Planting," addition of sanitary sewer data to sheet C2, and correction of keyed note numbers on sheet C11. The bid submittal deadline remains unchanged, and no modifications were made to the project bid booklet or special provisions.
The addendum provides four key clarifications to guide bidder preparation: the correct asphalt mix is dense graded Level 2; waterlines can be shut down for the duration of construction; all waterlines must be chlorinated and tested prior to making connections; and bidders must use quantities on the revised bid sheet for their bids. The revised plan sheets included as enclosures (C2, C11, and C15a) contain detailed information regarding existing sanitary sewer infrastructure with calculated peak design flows, erosion control measures, streambed material specifications, permanent seeding requirements with botanical specifications, and site restoration details including plant cuttings for red twig dogwood and Scouler's willow.
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PARROTT CREEK CULVERT REPLACEMENT ADDENDUM
Project: Parrott Creek Culvert
Replacement
Owner: City of Roseburg
Response date: 03.02.2026
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
There are no changes to the project bid tabs.
4.0 PROJECT SPECIAL PROVISIONS
There are no changes to the special provisions.
5.0 PROJECT PLAN SHEETS
The plans had two, sheets numbered sheet 15. The first sheet 15 titled “Giles Street Erosion Control and Planting” had incorrect notes. The sheet has been renumbered 15a, notes and details have been corrected and is included in this addendum.
Sanitary sewer data has been added to sheet C2.
Keyed note numbers were corrected on sheet C11.
6.0 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. The correct asphalt mix is ½” dense graded, Level 2.
2. The waterlines can be shut down for the duration construction.
3. All waterline needs to be chlorinated and tested prior to making connections.
4. Use quantities on revised bid sheet for bidding.
Enc: C2, C11, C15a END OF ADDENDUM
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AutoCAD SHX Text EX. SANITARY SEWER MANHOLE 8" INV. IN 490.3 8" INV. OUT 490.1 CALCULATED PEAK FLOW = 36 GPM
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EX. SANITARY SEWER MANHOLE 8" INV. IN 515.3 8" INV. IN 56.68" INV. OUT 506.4
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CALL BEFORE YOU DIG ! ONE CALL: (800) 332-2344
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1. REMOVE EXISTING CULVERT AND HEADWALLS. REMOVE EXISTING CULVERT AND HEADWALLS. 2. REMOVE EXISTING FENCING REMOVE EXISTING FENCING 3. REMOVE AND REINSTALL EXISTING FENCE. REMOVE AND REINSTALL EXISTING FENCE. 4. REMOVE AND TEMPORARILY RELOCATE MAILBOXES AND REMOVE AND TEMPORARILY RELOCATE MAILBOXES AND MAINTAIN ACCESS DURING CONSTRUCTION. REINSTALL MAILBOXES AFTER CONSTRUCTION. 5. ORDINARY HIGH WATER. NO WORK TO OCCUR IN ORDINARY HIGH WATER. NO WORK TO OCCUR IN ORDINARY HIGH WATER WITHOUT PERMITS OR OUTSIDE OF IN WATER WORK WINDOW. 6. REMOVE AND REPLACE EXISTING SANITARY SEWER LINE. REMOVE AND REPLACE EXISTING SANITARY SEWER LINE. MAINTAIN BYPASS FLOW DURING CONSTRUCTION. PUMPING ALLOWED ONLY DURING WORKING HOURS. CONTRACTOR TO PROVIDE TEMPORARY CONNECTIONS AFTER WORK HOURS. SEE CONSTRUCTION SHEET FOR DETAILS. CALCULATED PEAK DESIGN FLOW = 45 GPM. 7. REMOVE EXTG STORM SEWER PIPE. REMOVE EXTG STORM SEWER PIPE. 8. EXISTING UTILITY POLE TO BE RELOCATED. EXISTING UTILITY POLE TO BE RELOCATED. 9. REMOVE EXISTING CONCRETE PATH AND RECONSTRUCT. REMOVE EXISTING CONCRETE PATH AND RECONSTRUCT. 10. PROTECT EXISTING HOME. USE SHORING AS REQUIRED. PROTECT EXISTING HOME. USE SHORING AS REQUIRED. 11. INSTALL TEMPORARY SHORING.INSTALL TEMPORARY SHORING.
AutoCAD SHX Text APPROXIMATE LIMITS OF STRUCTURE EXCAVATION. SHORING TO BE USED TO PROTECT STRUCTURES AND MAINTAIN HOMEOWNER ACCESS AS REQUIRED. APPROXIMATE LIMITS OF CLEARING AND GRUBBING FOR STREAM AND BANK RESTORATION AND GRADING.
1. THE ITEMS LABELED AS TO BE REMOVED OR PROTECTED THE ITEMS LABELED AS TO BE REMOVED OR PROTECTED IS NOT AN EXHAUSTIVE LIST AND IT IS THE CONTRACTORS RESPONSIBILITY TO PROTECT UTILITIES AND PRIVATE AND PUBLIC PROPERTY. 2. THE EXCAVATION LIMITS ASSUME A 1.5H TO 1V CUT THE EXCAVATION LIMITS ASSUME A 1.5H TO 1V CUT SLOPES AS RECOMMENDED PER THE GEOTECHNICAL REPORT BY GALLI GROUP. SOIL CONDITIONS ENCOUNTERED MAY REQUIRE LESS STEEP SLOPES OR ALLOW VERTICAL CUTS. IT IS THE CONTRACTORS RESPONSIBILITY TO SHORE AND CUT SLOPES THAT MEET THE REPORT AND OSHA REQUIREMENTS. SHORING SHALL BE USED BY THE CONTRACTOR AS REQUIRED TO PROTECT FACILITIES AND OR MAINTAIN ACCESS. 3. BEFORE BEGINNING WORK, THE CONTRACTOR SHALL BEFORE BEGINNING WORK, THE CONTRACTOR SHALL CONTACT THE PROPERTY OWNERS REGARDING ACCESS ISSUES. 4. THE ROAD CAN BE CLOSED TO ALL THROUGH TRAFFIC THE ROAD CAN BE CLOSED TO ALL THROUGH TRAFFIC DURING CONSTRUCTION. CONTRACTOR TO INSTALL TYPE THREE BARRICADES WITH ROAD CLOSED TO THROUGH TRAFFIC SIGNS AND CONCRETE BARRIER ALONG EXCAVATIONS PERPENDICULAR TO THE ROAD WITH TYPE 3 BARRICADES. CONTRACTOR SHALL INSTALL WORK ZONE FENCING AS REQUIRED AT NO EXTRA COST. 5. CONTRACTOR TO MAINTAIN SANITARY SEWER SERVICE CONTRACTOR TO MAINTAIN SANITARY SEWER SERVICE THROUGHOUT CONSTRUCTION. BYPASS PUMPING IS ALLOWED DURING CONSTRUCTION HOURS. WHEN CONTRACTOR IS NOT ONSITE, SANITARY SEWER SHALL BE MAINTAINED BY GRAVITY FLOW WITH TEMPORARY ROUTING AND CONNECTIONS AS REQUIRED. CONTRACTOR TO PROVIDE BYPASS PLAN PER STANDARD SPECIFICATION 00490.40.
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AutoCAD SHX Text ENGINEERED STREAM BED TO CONSIST OF THE FOLLOWING: 1. SALVAGE STREAMBED MATERIAL 25% BY VOLUME SALVAGE STREAMBED MATERIAL 25% BY VOLUME 25% BY VOLUME 2. STREAMBED SEDIMENT 10% BY VOLUME STREAMBED SEDIMENT 10% BY VOLUME 10% BY VOLUME 3. STREAMBED COBBLES 6 IN. 30% BY VOLUME STREAMBED COBBLES 6 IN. 30% BY VOLUME 30% BY VOLUME 4. STREAMBED SAND 5% BY VOLUME STREAMBED SAND 5% BY VOLUME 5% BY VOLUME 5. CLASS 100 LOOSE RIPRAP 30% BY VOLUME CLASS 100 LOOSE RIPRAP 30% BY VOLUME 30% BY VOLUME REFER TO SPECIAL PROVISIONS ADDITIONAL MATERIAL REQUIREMENTS.
AutoCAD SHX Text TYPE E MATTING WITH COMPOST BLANKET AND PERMANENT SEEDING ENGINEERED STREAM BED MATERIAL SEDIMENT BARRIER TYPE 8 GRAVEL CONSTRUCTION ENTRANCE
AutoCAD SHX Text Botanical Name PLS Specified Rate PLS Specified Rate (Common Name) (lb/acre) (lb/acre) Elymus glaucus (Blue Wildrye) 23.5 23.5 Hordeum brachyantherum (Meadow Barley) 36.57 36.57 Bromus carinatus (California Brome) 23.51 23.51 Festuca idahoensis romerii (Roemer's Fescue) 7.18 7.18 Lotus purshianus (American Bird’s-Foot Trefoil) 5.2 s-Foot Trefoil) 5.2 Clarkia amoena (Farewell to Spring) 1.96 Oenothera elata hookeri (Hooker’s Evening Primrose) 1.96 s Evening Primrose) 1.96 Deschampsia cespitosa (Tufted Hairgrass) 1.31 Agrostis exerata (Spike Bentgrass) 0.65 REFER TO SPECIAL PROVISIONS ADDITIONAL MATERIAL AND PLANTING REQUIREMENTS REQUIREMENTS.
1. INSTALL INLET PROTECTION, TYPE 3 INSTALL INLET PROTECTION, TYPE 3 (SEE DRG. NO. RD1010) 2. INSTALL COMPOST BLANKET WITH TYPE E MATTING. INSTALL COMPOST BLANKET WITH TYPE E MATTING. PLANT WITH PERMANENT SEEDING. INSTALL 36" PLANT CUTTINGS, " - 1- " 34" - 1- " 14" RED TWIG DOGWOOD AND SCOULER'S WILLOW, RANDOMLY INTERMIXED AND 4' ON CENTER- 85 TOTAL. 3. INSTALL ENGINEERED STREAMBED MATERIAL, 2' THICK INSTALL ENGINEERED STREAMBED MATERIAL, 2' THICK MINIMUM. 4. CONST. CONSTRUCTION ENTRANCE, TYPE 1 CONST. CONSTRUCTION ENTRANCE, TYPE 1 (SEE DRG. NO. RD1000) 5. INSTALL SEDIMENT BARRIER, TYPE 8 INSTALL SEDIMENT BARRIER, TYPE 8 6. INSTALL SAND BAGS FOR WORK ZONE ISOLATION INSTALL SAND BAGS FOR WORK ZONE ISOLATION 7. INSTALL CONCRETE WASHOUTINSTALL CONCRETE WASHOUT
| 2026-03-02T14:54:23-0800 | |
| Erik D Ranger |
| 2026-03-02T14:54:28-0800 | |
| Erik D Ranger |
| 2026-03-02T14:54:32-0800 | |
| Erik D Ranger |
| 2026-03-02T14:55:02-0800 | |
| Erik D Ranger |
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