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Addendum 2 1 of 4 ADDENDUM NUMBER 2 TO: All Prospective Bidders and Plan Holders FROM: Ubaldo Ayón, Assistant Construction Manager DATE: June 30, 2022 SUBJECT: Project No. 2016-03F2 & 2016-03F3 La Quinta Landscape Renovation Improvement Desert Pride, Marbella, and Sierra Del Rey The following shall be considered as incorporated into the project plans and specifications for the above referenced project. Portions of plans and specifications not specifically mentioned in this Addendum remain in force.  PROJECT SPECIFICATIONS Section 1110: Sheet 1110-3, Section 7.0, Preparation of Bid Forms, replace basis of award sentence in paragraph 1: As Reads The basis for award shall be the lowest combined price of the Base Bid Area. Is Amended to Read The basis for award shall be the lowest combined price of the Base Bid Area plus All Additive Alternates. Section 1210: Section 1210 is replaced; the following is a summary of the changes: • Add Additive Alternate 1: Sand Filter Maintenance Section 4000: Sheet 4000-2, Section 5.0, Clearing and Grubbing, add the following Sub- Section 5.1 Sand Filter Maintenance, after payment clause: 5.1 Sand Filter Maintenance Sand filter maintenance shall be performed as follows: 2 of 4 1. Pump all water from access/sand filter vaults and legally dispose. Clean water may be pumped to a different location within retention basin. All other water/combination water debris must be removed from site. 2. Remove and legally dispose of all debris within the access/sand filter vaults. Re-establish 36” clear space area per La Quinta Retired Standard Plan 370. 3. Remove 18” of existing fine sand and legally dispose. Contractor may use a vacuum truck as needed. 4. Rough rake exposed remaining sand to loosen surface. 5. Place new fine filter sand, depth 18”. Sand shall be 100% passing a No.45 sieve (.35mm) with uniformity coefficient between 2 and 3. Record drawings of existing systems are provided for information only. Contractor shall inspect facility prior to starting work. There are a total of eight (8) access/sand filter vaults part of the scope. The vaults can be accessed through existing removable grates at the surface of the retention basin. Sand Filter Maintenance shall be paid for at a lump-sum (LS) contract price and no additional compensation will be allowed. Payment shall include full compensation for furnishing all labor, materials, tools, equipment, disposal, and doing all work involved as outlined in the bid documents and in furnishing and placing new fine filter sand and no additional compensation will be allowed therefore. Sheet 4000-7, Section 11.0, Miscellaneous Metal Items, Add the following after second paragraph: Metal fencing shall be constructed to the dimensions, color, and shapes shown on the plans. Metal fencing shall be painted conforming to the provisions in Section 59, “Structural Steel Coatings”, of the State Specifications. Color shall be as shown on the plans to be approved by the City prior to the application. Sheet 4000-20, Section 14.0, Keystone Concrete Retaining Block Wall, Sub- Section 900-5.2, remove reference to cap in paragraph 2 as shown: Is Amended to Read Face color - tan, unless otherwise specified. Face finish –straight face configuration. 6” height cored block with 3” height Keystone cap, installed with exterior construction grade adhesive. Bond configuration - running with bonds nominally located at midpoint vertically adjacent units, in both straight and curved alignments. 3 of 4 Sheet 4000-21, Section 14.0, Keystone Concrete Retaining Block Wall, Sub- Section 900-5.2, replace Masonry Specifications per the following: As Reads Keystone concrete units shall conform to the following structural and geometric requirements measured in accordance with ASTM C140 Sampling and Testing Concrete Masonry Units: Compressive strength: ≥ 3000 psi (21 MPa); Absorption: ≤ 8 % for standard weight aggregates; Dimensional tolerances: ± 1/8" (3 mm) from nominal unit dimensions not including rough split face; Unit size: 8" (203 mm) (H) x 18" (457 mm)(W) x 18" (457 mm)(D) minimum; Unit weight: 93-lbs/unit (42 kg/unit) minimum for standard weight aggregates. Is Amended to Read Keystone concrete units shall conform to the following structural and geometric requirements measured in accordance with ASTM C140 Sampling and Testing Concrete Masonry Units: Compressive strength: Per Manufacturer Technical Specification; Absorption: ≤ 8 % for standard weight aggregates; Dimensional tolerances: ± 1/8" (3 mm) from nominal unit dimensions not including rough split face; Unit size: 6" (152 mm) (H) x 16" (406 mm) (W) x 10-3/8" (286 mm) (D) minimum; Unit weight: 60-lbs/unit (27 kg/unit) solid core minimum for standard weight aggregates. 42-lbs/unit (19 kg/unit) cored core minimum for standard weight aggregates.  CLARIFICATIONS Q1. Please provide specification as to desired texture of walls to be refinished as noted sheet 6 of 24 notes 4 and 6. A.1 Texture shall match existing adjacent texture per Specifications, Section 4000, Section 12.0, Wall Cleaning and Painting, Sub-Section 310-1.2. 4 of 4 Q2. Please confirm only 7000 sf wall to be retextured/repainted. A.2 The wall shall be retextured/repainted only as needed and as agreed upon by the City. It is anticipated that 7,000 SF would be impacted. The Contractor is hereby notified; Addendum No. 2 must be acknowledged and initialed as stipulated under the instructions to Bidders and submitted as part of the Bid. Failure to do so shall result in the City designating said bid as "Non- Responsive." APPROVED: Ubaldo Ayón Assistant Construction Manager Attachments: 1. Revised Bid Schedule Dated 6-30-2022 2. Record Drawing of Existing Sand Filters 3. Retired City Standard Plan 370: Sand Filter END OF ADDENDUM NUMBER 2 ADDENDUM 02 – 6/30/2022 Bid Schedule 1210-1 SECTION 1210 BID SCHEDULE PROJECT NO. 2016-03F2 & 2016-03F3 LA QUINTA LANDSCAPE RENOVATION IMPROVEMENT DESERT PRIDE, MARBELLA, AND SIERRA DEL REY City of La Quinta 78-495 Calle Tampico La Quinta, CA 92253 To Whom It May Concern: Pursuant to the Invitation to Bid, and in accordance with the provisions therein stated, the undersigned hereby proposes and agrees that on award by the City under this Bid, to execute a Contract, with necessary bonds, to furnish and install any and all labor, materials, transportation and services for Project No. 2016-03F2 & 2016-03F3, La Quinta Landscape Renovation Improvement – Desert Pride, Marbella, and Sierra Del Rey, in accordance with the plans and specifications therefore adopted and on file with the City within the time hereinafter set forth and at the prices named in this Bid. It is understood that the basis of award shall be the lowest total price of the Base Bid Areas plus All Additive Alternates. Unit prices in each and every case represent the true unit price used in preparing the bid schedule totals (Bid Form). Unit prices listed herein include material, installation and appurtenant work as is necessary to have the item complete and in place meeting the full intent of the plans and specifications. We acknowledge that unbalanced unit prices shall be sufficient cause for the rejection of our bid. ADDENDUM 02 – 6/30/2022 Bid Schedule 1210-2 BASE BID AREA 01– Desert Pride Item No. Item Description Est. Qty. Unit Unit Price (in figures) Dollars Item Total (in figures) Dollars 1. Mobilization 1 LS $ $ 2. Traffic Control and Plans 1 LS $ $ 3. Dust Control 1 LS $ $ 4. Clearing and Grubbing 1 LS $ $ 5. Demolition and Disposal 1 LS $ $ 6. Modify, Relocate, and Repair Existing Lighting Electrical System w/ New Fixtures 1 LS $ $ 7. Install Solar Lighting 1 LS $ $ 8. Install New Sleeving per City Standard 600 180 LF $ $ 9. Remove and Replace 6’ Sidewalk per City Standard No. 245 675 SF $ $ 10. Wall Cleaning 1 LS $ $ 11. Soil Prep and Fine Grading 1 LS $ $ 12. Furnish and Install Boulders per Plan – “Rustic Brown”, 2’ – 3’ 150 EA $ $ 13. Furnish and Install 3/8” Apache Brown Crushed Rock 9,756 SF $ $ 14. Furnish and Install 12”-18” Sierra Cobble 94 SF $ $ 15. Furnish and Install 3/4" Desert Gold Crushed Rock 56,345 SF $ $ 16. Furnish and Install 6” Minus Baja Cresta Rubble 20,585 SF $ $ 17. Furnish and Install PermaLoc Header – Asphalt Edge 170 LF $ $ 18. Furnish and Install Landscaping per Plan 1 LS $ $ 19. Furnish and Install Irrigation per Plan 1 LS $ $ ADDENDUM 02 – 6/30/2022 Bid Schedule 1210-3 Item No. Item Description Est. Qty. Unit Unit Price (in figures) Dollars Item Total (in figures) Dollars 20. Furnish and Install Keystone Block Tree Well - 5 Course Stack (Complete in place per detail) 243 LF $ $ 21. Furnish and Install Keystone Block Retaining Wall - 4 Course Stack 776 LF $ $ 22. Furnish and Install Keystone Block Retaining Wall - 6 Course Stack 709 LF $ $ 23. 90-Day Maintenance Period 1 LS $ $ Total Amount of Bid Items 1 – 23 $ BASE BID AREA 02– Marbella and Sierra Del Rey Item No. Item Description Est. Qty. Unit Unit Price (in figures) Dollars Item Total (in figures) Dollars 24. Mobilization 1 LS $ $ 25. Traffic Control and Plans 1 LS $ $ 26. Dust Control 1 LS $ $ 27. Clearing and Grubbing 1 LS $ $ 28. Demolition and Disposal 1 LS $ $ 29. Modify, Relocate, and Repair Existing Lighting Electrical System w/ New Fixtures 1 LS $ $ 30. Install New Sleeving per City Standard 600 60 LF $ $ 31. Remove and Replace 6’ Sidewalk per City Standard No. 245 70 SF $ $ 32. Metal Fencing 185 LF $ $ 33. Wall Cleaning 1 LS $ $ 34. Wall Patching and Painting 7,000 SF $ $ ADDENDUM 02 – 6/30/2022 Bid Schedule 1210-4 Item No. Item Description Est. Qty. Unit Unit Price (in figures) Dollars Item Total (in figures) Dollars 35. Soil Prep and Fine Grading 1 LS $ $ 36. Furnish and Install Boulders – “Baja Cresta Red”, 2’ – 3’ 126 EA $ $ 37. Furnish and Install 3/8” Apache Brown Crushed Rock 8,090 SF $ $ 38. Furnish and Install 3/8” Desert Gold Stabilized Decomposed Granite 6,865 SF $ $ 39. Furnish and Install 3/4" Desert Gold Crushed Rock 68,260 SF $ $ 40. Furnish and Install 6” Minus Baja Cresta Rubble 11,198 SF $ $ 41. Furnish and Install 6” Minus Cresta Rubble 3,559 SF $ $ 42. Furnish and Install 12”-18” Sierra Cobble 103 SF $ $ 43. Furnish and Install PermaLoc Header – Asphalt Edge 1,767 LF $ $ 44. Furnish and Install Landscaping per Plan 1 LS $ $ 45. Furnish and Install Irrigation per Plan 1 LS $ $ 46. Furnish and Install Keystone Block 38 LF $ $ 47. 90 – Day Maintenance Period 1 LS $ $ Total Amount of Bid Items 24 – 47 $ The City may choose to award all or none of the Additive Alternates ADDITIVE ALTERNATE 01– Marbella and Sierra Del Rey Item No. Item Description Est. Qty. Unit Unit Price (in figures) Dollars Item Total (in figures) Dollars A1.1 Mobilization 1 LS $ $ A1.2 Sand Filter Maintenance 1 LS $ $ Total Amount of Additive Alternate 1 Bid Items 1 – 2 $ ADDENDUM 02 – 6/30/2022 Bid Schedule 1210-5 GRAND TOTAL BASE BID (AREA 1 &2) AND ADDITIVE ALTERNATES (Figures): $ GRAND TOTAL BASE BID (AREA 1 &2) AND ADDITIVE ALTERNATES (Words): Bid Amount of each of the above Bid Items must be filled in and completed. It is understood that the quantities shown hereon are but estimates and the bidder is responsible to verify quantities prior to submitting a bid. Final payment will be based upon actual work performed, subject to such adjustments and alterations as elsewhere provided herein. ___________________________________________________________ Signature of Bidder (Ink) ___________________________________________________________ Name of Bidder (Printed or Typed) ___________________________________________________________ Bidder Telephone Number ___________________________________________________________ Bidder Email Address