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Home My WebLink AboutAddendum 1Thunder Hills Sewer Interceptor Rehabilitation April 6, 2023 Page 1 of 3 Addendum No. 1 THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PROJECT NO. WWP-27-03921 ADDENDUM NO. 1 Date of Addendum Issue: April 6, 2023 Due Date for Bids: 2:00 pm on April 13, 2023 Date of Bid Opening: 3:00 pm on April 13, 2023 To: ALL PLAN HOLDERS AND/OR PROSPECTIVE BIDDERS The following changes, additions, and/or deletions are hereby made a part of the project bid documents for the Thunder Hills Sewer Interceptor Rehabilitation project and shall have the same effect as if set forth therein. Bidders shall acknowledge receipt and acceptance of this Addendum No. 1 by signing in the space provided below and submitting the signed addendum with the bid package. Failure to acknowledge receipt of this Addendum may result in your bid proposal being disqualified. BID SCHEDULE 1. DELETE Schedule of prices REPLACE with attached Schedule of Prices: Items changed in attached Schedule of Prices: • Deleted Item A19 in Schedule of Values and replaced with the following: • Deleted unit of measurement for Items A33 and A34 and replaced with Square Yards per the following: Thunder Hills Sewer Interceptor Rehabilitation April 6, 2023 Page 2 of 3 Addendum No. 1 SPECIAL PROVISIONS 2. DELETE 1-09.14(2)S and Replace with the following: 1-09.14(2)S Plug/Cap and Abandon Existing Sanitary Sewer Main over 10-Inch Diameter (Bid Item 19) Section 1-09.14(2)S is a new section: (******) Measurement for “Plug/Cap and Abandon Existing Sanitary Sewer Main over 10-Inch Diam.” will be per each plug/cap installed. Payment for “Plug/Cap and Abandon Existing Sanitary Sewer Main over 10-Inch Diam.” will be made at the amount bid per each, which payment will be complete compensation for all labor, equipment, materials, hauling, pavement cutting, pavement removal, excav ation, dewatering, locating all existing utilities and potholing in advance for horizontal and vertical location, removal and disposal of waste material including existing pipes and structure in excavation, plugging/capping the ends of sewer mains to be abandoned with 3,000 psi cement concrete, stockpile and placement of subsequent backfill (native) materials, compaction, water, grading, cleaning, pavement restoration, etc. required to complete all abandonment work in conformance with the Contract Documents. Select imported backfill materials are included in other bid items (See Bid item 24). 3. DELETE the paragraphs of section 7-17.3(2)I and REPLACE with the following: Where it is shown on the plans that existing sanitary sewer pipe(s) is to be abandoned, existing sanitary sewer pipe is to be left in place. by filling with grout, both The ends of the abandoned pipe and all lateral connections to the pipe shall be plugged/capped with 3,000 psi cement concrete. Plug/cap shall extend a minimum length of 12-inches into the abandoned pipe. and the pipe shall be filled with cement-based grout. The grout mix design and method of installation shall be approved by the Engineer prior to beginning the operation (See Section 9-03.22 for Grout Mix requirements). 4. ADD section 9-05.23 per the following: 9-05.23 High Density Polyethylene Piping Section 9-05.23 is supplemented with the following: (******) The joints shall be welded by butt fusion only, by operators who have successfully completed a butt fusion training course sponsored by the pipe manufacturer. A written copy of such training certification shall be provided to the Engineer. Bead projections on the inside of the pipe shall be removed. All personnel directly involved with installing HDPE pipe shall receive training for handling and installing HDPE pipe in accordance with AWWA M-55. Pipe and fittings shall be carefully examined for cracks, gouges, cuts, discontinuities, or other defects immediately before installation and all defective pipe and fitt ings shall be removed. Thunder Hills Sewer Interceptor Rehabilitation April 6, 2023 Page 3 of 3 Addendum No. 1 PLANS 5. ADD Plan Sheet 30. This Addendum consists of three (3) pages plus attachments. Attachments: • Plan Sheet 30 • Schedule of Prices ALL OTHER REQUIREMENTS OF THE CONTRACT DOCUMENTS REMAIN IN EFFECT Sincerely, Jesse Newman, PE Project Manager City of Renton All Bidders must sign this Addendum No. 1 in the space provided below and attach the signed Addendum No. 1 to the Formal Bid Proposal. Signature: ______________________________ Title: ________________________________ Company: ______________________________ Date: ________________________________ 280285290295300305310315320280285290295300305310315320GRANT AVE SS 18th ST SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 29+20 - SHT. 29KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 29+20 - 31+00SW 20-23-05 CITY OF RENTON PUBLIC WORKS DEPARTMENT THUNDER HILLS SEWER INTERCEPTOR REHABILITATION *Note: Show price per unit in figures only. Figures written to the right of the dot (decimal) in the price per unit column shall be interpreted as cents. SEE SECTION 1-09.14 OF THE SPECIAL PROVISIONS FOR INFORMATION ON BID ITEMS. ITEM APPROX.UNIT PRICE TOTAL AMOUNT NO.QUANTITY Dollars Cents Dollars Cents A01 1 Lump Sum _________________ Per Lump Sum _____________________ A02 1 Lump Sum _________________ Per Lump Sum _____________________ A03 1 Lump Sum _________________ Per Lump Sum _____________________ A04 1 Lump Sum _________________ Per Lump Sum _____________________ A05 1 Lump Sum _________________ Per Lump Sum _____________________ A06 1 Lump Sum _________________ Per Lump Sum _____________________ A07 39 Each _________________ Per Each _____________________ A08 55 Linear Foot _________________ Per Linear Foot _____________________ A09 10 Linear Foot _________________ Per Linear Foot _____________________ A10 30 Linear Foot _________________ Per Linear Foot _____________________ A11 1469 Linear Foot _________________ Per Linear Foot _____________________ A12 1404 Linear Foot _________________ Per Linear Foot _____________________ A13 804 Linear Foot _________________ Per Linear Foot _____________________ A14 600 Linear Foot _________________ Per Linear Foot _____________________ A15 183 Linear Foot _________________ Per Linear Foot _____________________ A16 5 Each _________________ Per Each _____________________ A17 3 Each _________________ Per Each _____________________ A18 1 Each _________________ Per Each _____________________ ITEM WITH UNIT PRICED BID Mobilization & Demobilization Trench Excavation Safety Systems Construction Surveying, Staking, and As-Builts Temporary Traffic Control Stormwater Pollution Prevention and TESC Plan and Implementation Site Clearing and Grading Removal of Existing Trees Furnish and Install 8" Dia PVC Sewer Pipe Furnish and Install 10" Dia PVC Sewer Pipe, Repair BID SCHEDULE A -GENERAL Furnish and Install 12" Dia PVC Sewer Pipe, Repair Furnish and Install 12" Dia HDPE Sewer Pipe CIPP Pre-installation Cleaning and Inspection Furnish and Install 10" Dia CIPP Sewer Pipe Furnish and Install 12" Dia CIPP Sewer Pipe Furnish and Install 8" Dia HDPE Storm Drainage Pipe Furnish and Install 48-Inch Dia. Standard Sanitary Sewer Manhole Furnish and Install 60-Inch Dia Standard Manhole with Inside Drop Abandon Existing Sanitary Sewer Manhole CITY OF RENTON PUBLIC WORKS DEPARTMENT THUNDER HILLS SEWER INTERCEPTOR REHABILITATION *Note: Show price per unit in figures only. Figures written to the right of the dot (decimal) in the price per unit column shall be interpreted as cents. SEE SECTION 1-09.14 OF THE SPECIAL PROVISIONS FOR INFORMATION ON BID ITEMS. ITEM APPROX.UNIT PRICE TOTAL AMOUNT NO.QUANTITY Dollars Cents Dollars Cents ITEM WITH UNIT PRICED BID A19 11 Each _________________ Per Each _____________________ A20 50 Ton _________________ Per Ton _____________________ A21 2000 Ton _________________ Per Ton _____________________ A22 1125 Ton _________________ Per Ton _____________________ A23 8000 Square Foot _________________ Per Square Foot _____________________ A24 25 Cubic Yards _________________ Per Cubic Yards _____________________ A25 211 Square Yards _________________ Per Square Yards _____________________ A26 2968 Linear Foot _________________ Per Linear Foot _____________________ A27 1 Lump Sum _________________ Per Lump Sum _____________________ A28 1 Each _________________ Per Each _____________________ A29 3 Each _________________ Per Each _____________________ A30 3 Each _________________ Per Each _____________________ A31 1 Each _________________ Per Each _____________________ A32 32 Each _________________ Per Each _____________________ A33 700 Square Yards _________________ Per Square Yards _____________________ A34 4840 Square Yards _________________ Per Square Yards _____________________ A35 23 Each _________________ Per Each _____________________ A36 9 Each _________________ Per Each _____________________ A37 23 Each _________________ Per Each _____________________ Biodegradeable Erosion Control Blanket Soil Amendment with Fine Compost PSIPE-(Grand Fir) Abies grandis, 4' height, 5 gal. PSIPE-(Bigleaf maple) Acer macrophyllum, 4' height, 5 gal. PSIPE-(Sitka spruce) Picea sitchensis, 4' height, 5 gal. Large Woody Debris (2 Logs with Roots, 2/3rds buries, 1 3-Man Boulder, Glued U-Bar Anchor, Steel Ropes Large Woody Debris (1 Log, 1 3-Man Boulder, Glued U-Bar Anchor, Steel Ropes Large Woody Debris (1 Tree Top, 1 3-Man Boulder, Glued U-Bar Anchor, Steel Ropes Large Woody Debris (1 Rootwad, Glued U-Bar Anchor, Steel Ropes) Large Woody Debris (1 Log with Roots, No Anchor) 2-inch to 4-inch Quarry Spalls for Gravel Road Furnish and Place Rockery Walls Controlled Density Fill (Backfill) (as Required) Hot Mix Asphalt Patch incl. CSTC CCTV Inspection Surface Restoration Plug/Cap and Abandon Existing Sanitary Sewer Main Removal and Replacement of Unsuitable Foundation Material Select Imported Trench Backfill CITY OF RENTON PUBLIC WORKS DEPARTMENT THUNDER HILLS SEWER INTERCEPTOR REHABILITATION *Note: Show price per unit in figures only. Figures written to the right of the dot (decimal) in the price per unit column shall be interpreted as cents. SEE SECTION 1-09.14 OF THE SPECIAL PROVISIONS FOR INFORMATION ON BID ITEMS. ITEM APPROX.UNIT PRICE TOTAL AMOUNT NO.QUANTITY Dollars Cents Dollars Cents ITEM WITH UNIT PRICED BID A38 9 Each _________________ Per Each _____________________ A39 14 Each _________________ Per Each _____________________ A40 23 Each _________________ Per Each _____________________ A41 23 Each _________________ Per Each _____________________ A42 158 Each _________________ Per Each _____________________ A43 222 Each _________________ Per Each _____________________ A44 254 Each _________________ Per Each _____________________ A45 741 Each _________________ Per Each _____________________ A46 40 Each _________________ Per Each _____________________ A47 40 Each _________________ Per Each _____________________ A48 32 Each _________________ Per Each _____________________ A49 1372 Each _________________ Per Each _____________________ A50 222 Each _________________ Per Each _____________________ A51 741 Each _________________ Per Each _____________________ A52 1372 Each _________________ Per Each _____________________ A53 387 Each _________________ Per Each _____________________ A54 32 Each _________________ Per Each _____________________ A55 741 Each _________________ Per Each _____________________ A56 24 Each _________________ Per Each _____________________ PSIPE-(Western brackenfern) Pteridium aquilinum, 1 gal. PSIPE-(Nootka rose) Rosa nutkana, 1 gal. PSIPE-(Hooker's Willow) Salix hookeriana, live stake. PSIPE-(Pacific Willow) Salix lucida, 1 gal. PSIPE-(Tall Oregon grape) Mahonia aquifolium, 1 gal. PSIPE-(Dull Oregon grape) Mahonia nervosa, 1 gal. PSIPE-(Osoberry) Oemleria cerasiformis, 1 gal. PSIPE-(Pacific ninebark) Physocarpus capitatus, live stake. PSIPE-(Western swordfern) Polystichum munitum, 1 gal. PSIPE-(Beaked hazelnut) Corylus cornuta, 1 gal. PSIPE-(Red-osier dogwood) Cornus sericea, 1 gal. PSIPE-(Red-osier dogwood) Cornus sericea, live stake. PSIPE-(Kelsey dogwood) Cornus sericea 'Kelseyi', 1 gal. PSIPE-(Beaked hazelnut) Corylus cornuta, 1 gal. PSIPE-(Cottonwood) Populus balsamifera, 4' height, 5 gal. PSIPE-(Douglas-fir) Pseudotsuga menziesii, 4' height, 5 gal. PSIPE-(Western red cedar) Thuja plicata, 4' height, 5 gal. PSIPE-(Western hemlock) Tsuga heterophylla, 4' height, 5 gal. PSIPE-(Vine maple) Acer circinatum, 1 gal. CITY OF RENTON PUBLIC WORKS DEPARTMENT THUNDER HILLS SEWER INTERCEPTOR REHABILITATION *Note: Show price per unit in figures only. Figures written to the right of the dot (decimal) in the price per unit column shall be interpreted as cents. SEE SECTION 1-09.14 OF THE SPECIAL PROVISIONS FOR INFORMATION ON BID ITEMS. ITEM APPROX.UNIT PRICE TOTAL AMOUNT NO.QUANTITY Dollars Cents Dollars Cents ITEM WITH UNIT PRICED BID A57 741 Each _________________ Per Each _____________________ A58 741 Each _________________ Per Each _____________________ A59 741 Each _________________ Per Each _____________________ A60 32 Each _________________ Per Each _____________________ A61 158 Each _________________ Per Each _____________________ Subtotal Schedule A 10.1% Sales Tax Total Schedule A PSIPE-(Scouler's Willow) Salix scouleriana, live stake. 8-03 PSIPE-(Sitka Willow) Salix sitchensis, live stake. PSIPE-(Rose spirea) Spiraea douglasii, 1 gal. PSIPE-(Common snowberry) Symphoricarpos albus, 1 gal. PSIPE-(Pacific Willow) Salix lucida, live stake.