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04-12-2016 CC Rpt A07 COUNCIL AGENDA STAFF REPORT CITY CLERK USE ONLY 1 4 Meeting Date: April 12. 2016 Item No.: A07 Public Hearing: ❑ Discussion Item: ❑ Coy of Chino Hills Consent Item: ❑ April 5, 2016 TO: HONORABLE MAYOR AND CITY COUNCIL MEMBERS FROM: CITY MANAGER SUBJECT: CHANGE ORDER NO. 3 TO AGREEMENT NO. A2015-192 WITH SEQUEL CONTRACTORS, INC. FOR CONSTRUCTION OF THE LOS SERRANOS INFRASTRUCTURE IMPROVEMENTS — SAFE ROUTES TO SCHOOLS — PHASE 2 PROJECT RECOMMENDATION: Approve Change Order No, 3 to Agreement No. A2015-192 with Sequel Contractors, Inc. in the amount of ($30,861.52), BACKGROUND/ANALYSIS: On September 8, 2015, the City Council awarded a contract to Sequel Contractors, Inc, for the Los Serranos Infrastructure — Safe Routes to Schools (SRTS) — Phase 2 Project in the amount of $894,668.50. In addition to the award of the contract, the City Council also provided authorization to the City Manager to approve change orders up to a maximum amount of$44,733.43, or 5% of the contract amount. Construction on the project began October 19, 2015. On December 10, 2015, the City Manager authorized Change Order No. 1 in the amount of $16,080.97 for the necessary reconstruction of existing sewer manholes and cleanout. On March 8, 2016, the City Council approved Change Order No. 2 in the amount $49,256.29 for additional work needed to ensure smooth transition between the new construction and the existing residential frontage improvements along Country Club Drive. The cumulative value of Change Order No. 1 & 2 exceeded the authority given to the City Manager therefore it required approval from the City Council. As construction continued to the next phase of the project on Williams Avenue and Esther Street, Change Order No. 3 was necessary to account for items which were omitted from the Southern California Edison (SCE) street light design plan. In addition, minor extra work was needed to address concerns regarding steep driveways on Esther Street. To 114/623 AGENDA DATE: APRIL 12, 2016 PAGE 2 SUBJECT: CHANGE ORDER NO. 3 TO AGREEMENT NO. A2015-192 WITH SEQUEL CONTRACTORS, INC. FOR CONSTRUCTION OF THE LOS SERRANOS INFRASTRUCTURE — SAFE ROUTES TO SCHOOLS — PHASE 2 PROJECT account for the change order work and avoid construction delays, staff directed the contractor to track this extra work via time and material (T&M) and submit extra work daily reports, as necessary, for approval. Change Order No. 3 items are summarized below: 1. During construction of street light conduits, staff discovered that approximately 388 linear feet of street light conduits and three (3) pull boxes proposed for Williams Avenue between Esther Street and Cecelia Street were omitted in the SCE street light plans. Installation of these additional conduits and pull boxes was necessary to ensure that the project will provide the proposed street lights on Williams Avenue as promised to the residents. Additional Cost: $18,045.94 2. Re-sawcutting of existing concrete driveways was necessary to address the issues of steep driveways and to ensure that the new concrete driveways will not cause vehicles from "bottoming-out". A total of five (5) residential driveways on Esther Street required the limits of driveway work to be extended. Additional Cost: $384.28 On March 11, 2016, the contractor substantially completed construction work items for the project. As this is a unit-price contract, there were adjustments in quantities required to reflect actual quantities constructed versus estimated quantities for the purpose of bidding the work. Final adjustments in quantities are summarized as follows: Bid Est. Actual Unit Total Item Description Diff. Unit Qty. Qty. Cost Cost No. Base Bid Items (Country Club Drive & Esther Street)Remove 5 Pa eme txisting AC ` 23,263 24,750 1,487 SF $ 1.60 $2,379.20 Remove 6 Cu b1AC Dike/Existing 235 185.5 -49.5 LF $ 8.00 -$ 396.00 9 I Remove Existing Tree I 27 I 24 I -3 1 EA I $900.00 I -$2,700.00 10 Remove Bollard/Guard Post I 6 I 8 2 I EA I $200.00 I $ 400.00 Remove and Dispose { 11Exist ng Concrete Block Wall 185 168 -17 LF $ 20.00 -$ 340.00 Remove and Replace 12 Existing Chain Link Fence in- 83 43 -40 LF $ 31.00 -$1,240.00 kind Remove and Replace 13 Existing Chain Link Fence in- 152 141 -11 LF $ 26.00 -$ 286.00 kind 115/623 AGENDA DATE: APRIL 12, 2016 PAGE 3 SUBJECT: CHANGE ORDER NO. 3 TO AGREEMENT NO. A2015-192 WITH SEQUEL CONTRACTORS, INC. FOR CONSTRUCTION OF THE LOS SERRANOS INFRASTRUCTURE -- SAFE ROUTES TO SCHOOLS - PHASE 2 PROJECT Bid Est. Actual Unit Total Item Description Qty. Qty. Diff. Unit Cost Cost No. 14 Remove and Dispose 32 30 -2 LF $ 10.00 -$ 20.00 Existing Wood Picket Fence Remove and Dispose 15 Existing Tubular Steel or 50 0 30 LF $ 10.00 -$ 500.00 Wrought Iron Fence Remove and Dispose 16 Existing Concrete Block Wall 40 0 -40 LF $ 20.00 -$ 800.00 with Wood Fence Remove and Dispose 17 Existing Concrete Block Wall 60 0 -60 LF $ 20.00 -$ 1,200.00 with Wood Lattice Fence 18 Remove and Dispose 5 0 -5 EA $ 200.00 I -$ 1,000.00 Existing Swing Gate 19 Remove and Relocate 4 0 -4 I EA $1,600.00 I -$ 6,400.00 Existing Swing Gate Remove 20 Existing Rolllli g Gate e 4 3 I -1 I EA $1,500.00 I -$ 1,500.00 21 I Construct 6" ConcretCu & Gutter per City Stde 09th I 3,176 I 3,088 I -88.5 I LF I $ 22.00 -$ 1,947.00 22 1 per Std 107Construct 11,990 Sidewalk 111,990 I 10,370.75 I -1,619.25 SF $ 5.00 -$ 8,096.25 Construct Modified 25 Residential Drive Approach 10,044 12,137 2,093 SF $ 5.50 $ 11,511.50 per Std. 116 Construct Concrete Block 26 Retaining Wall per SPPWC 1,850 1,740 -110 SF $ 38.00 -$ 4,180.00 Std. 618-2 27 Cold Mill AC Pavement 0.12' 124,671 I 43,363 I 18,692 SF I $ 0.50 $ 9,346.00 Minimum Depth ' 28 Construct Variable Depth AC 248 I 329.61 81.61 TON $ 71.00 $ 5,794.31 Overlay per Detail 29 I Construct AC Pavement I 569 I 541.40 I -27.60 I TON I $ 70.00 I -$ 1,932.00 30 I Construct AB I 781 I 431.04 I -349.96 I TON I $ 25.00 1 -$ 8,749.00 ` 31 I Construct False Curb at MH I 7 1 0 I -7 I EA I $3,000.00 I -$21,000.00 32 I Relocate Existing Mail Box I 43 I 55 I 12 I EA I $ 200.00 I $ 2,400.00 33 I atter ExiExisting Water 7 0 I -7 EA I $1,200.00 I -$ 8,400.00 34 I Relocate Existing Fire I 2 0 -2 I EA $4,000.00 -$ 8,000.00 Hydran 36 I Adjust Existing Water Meter I 14 I 22 I 8 I EA I $ 200.00 I $ 1,600.00 37 I Adjust Existing Manhole I 9 ! 6 I -3 1 EA I $ 600.00 I -$ 1,800.00 39 I R elgo and ExExiting Traffic 5 4 -1 EA I $ 300.00 -$ 300.00 116/623 AGENDA DATE: APRIL 12, 2016 PAGE 4 SUBJECT: CHANGE ORDER NO. 3 TO AGREEMENT NO. A2015-192 WITH SEQUEL CONTRACTORS, INC. FOR CONSTRUCTION OF THE LOS SERRANOS INFRASTRUCTURE — SAFE ROUTES TO SCHOOLS -- PHASE 2 PROJECT Bid Est. Actual Unit Total Item Description Qty. Qty. Diff. Unit Cost Cost No. Additive Bid Items (Williams Avenue) 49 I Remove and Existing Swing Gate 1 0 -1 EA I $2,000.00 I -$2,000.00 49 Remove and Relocate I 1 0 -1 EA I $2,000.00 I -$2,000.00 Existing Swing Gate i 53 Construct Modified Access I 7 8 1 EA $2,500.00 I $2,500.00 Ramp per Std. 108 55 Construct Cross Gutter and I 1,030 1,110 80 SF $ 10.00 $800.00 Spandrel per Std. 111 57 Construct Variable Depth ACI 92 124.50 32.50 I TON $ 71.00 I $2,307.50 Overlay per Detail 58 I Construct AC Pavement I 156 141.75 I -14.25 I TON I $ 70.00 -$ 997.50 59 I Construct AB I 208 I 146.14 -61.86 I TON $ 25.00 I -$1,546.50 Relocate 62 I Sign and PosExisting Traffic 3 1 -2 I EA $ 300.00 -$ 600.00 Total Quantity Adjustments: ($49,291.74) Change Order No. 3 Total Amount = ($30,861.52) The contract is summarized below: Original Contract: $ 894,668.50 Change Order No. 1 $ 16,080.97 Change Order No. 2 $ 49,256.29 Change Order No. 3 $ (30,861.52) Revised Contract $ 929,144.24 REVIEW BY OTHERS: This item has been reviewed by the City Attorney, the Finance Director, and the Public Works Director. FISCAL IMPACT: This project was included in the approved Los Serranos Infrastructure Improvements — Safe Routes to Schools — Phase 2 project budget. Respectfully submitted, Recommended by: YtI Oili k a • I<onradt Bartlam, City Manager ,Steven C. Nix, ity Engineer SN/FR/PS Attachment: Change Order No. 3 117/623 CITY OF CHINO HILLS CHANGE ORDER NO. 3 DATE: April 12. 2016 Page 1 of 2 Project No S09009 Contract No. A2015-192 Project: Los Serranos Infrastructure Improv. P.O. No. 160416 Safe Routes to Schools - Phase 2 Account No. 399-7100-888-8110 Contractor: Sequel Contractors, Inc. Distribution: 13546 Imperial Highway Original to City Clerk Santa Fe Springs, CA 90670 Contractor Purchasing Department DESCRIPTION: Current Change Order -3.45% 1.) EXTENSION OF STREET LIGHT CONDUIT Construct approximately 388 feet of street light conduit on Williams Avenue from STA. 13+32 to STA. 17+20 to accommodate 3 additional proposed street lights and pull boxes. Work includes installation of 3-inch dia. conduit, pull boxes, trenching, &removal/disposal of dirt. Total lump sum cost= $18,045.94 Total Cost of Item No. 1= $18,045.94 2.) EXTEND CONCRETE DRIVEWAY PAVEMENT LIMITS Extra work needed to re-sawcut concrete driveway. Limits of PCC driveway changed to alleviate vehicles from"bottoming-out"on 5 residences at 15645, 15635, 15609, 15593, & 15573 Esther Street. Total lump sum cost=$384.28 . Total Cost of item No. 2= $384.28 Subtotal Amount= $18,430.22 3.) ADJUSTMENT IN QUANTITIES , No. Descrintion Est Act Diff Unit Cost Ext. Base Bid Items (Country Club Dr& Esther St) 5 Remove Ex.AC Pavement 23,263 SF 24,750 1,487 $1.60 $2,379.20 6 Remove Ex.Concrete Curb/AC Dike/Berm 235 LF 185.5 -49.5 $8.00 -$396.00 9 Remove Existing Tree 27 EA 24 -3 $900.00 -$2,700.00 10 Remove Bollard/Guard Post 6 EA 8 2 $200.00 $400.00 11 Remove/Dispose Ex Concrete Block Wall 185 LF 168 -17 $20.00 -$340.00 12 Remove/Replace Ex Chain Link Fence in- kind 83 LF 43 -40 $31.00 -$1,240.00 13 Remove and Replace Ex Chain Link Fence in-kind 152 LF 141 -11 $26.00 -$286.00 , 14 Remove and Dispose Ex Wood Picket Fence 32 LF 30 -2 $10.00 -$20.00 15 Remove and Dispose Ex Tubular Steel or Wrought Iron Fence 50 LF 0 -50 $10.00 -$500.00 16 Remove and Dispose Ex Concrete Block Wall with Wood Fence , 40 LF 0 -40 $20.00 -$800.00 17 Remove and Dispose Ex Concrete Block Wall with Wood Lattice Fence 60 LF 0 -60 $20.00 -$1,200.00 18 Remove and Dispose Ex.Swing Gate 5 EA 0 -5 $200.00 -$1,000.00 19 Remove and Relocate Ex.Swing Gate 4 EA 0 -4 $1,600.00 -$8,400.00 20 Remove and Relocate Ex. Rolling Gate 4 EA 3 -1 $1,500.00 -$1,500.00 Construct 6"Concrete Curb&Gutter per E 21 City Std. 109 3,176 LF 3,088 -88.5 $22.00 -$1,947.00 118/623 • 22 Construct Modified Sidewalk per Std. 107 11,990 SF 10,370.75 -1,619.25 $5.00 -$8,096.25 25 Construct Modified Residential Drive Approach per Std. 116 10,044 SF 12,137 2,093 $5.50 $11,511.50 26 Construct Concrete Block Retaining Wall per SPPWC Std 618-2 1,850 SF 1,740 -110 $38.00 -$4,180.00 27 Cold Mill AC Pavement 0.12' Minimum Depth 24,671 SF 43,363 18,692 $0.50 $9,346.00 28 Construct Variable Depth AC Overlay per Detail 248 TON 329.61 81.61 $71.00 $5,794.31 29 Construct AC Pavement 569 TON 541.40 -27.60 $70.00 -$1,932.00 30 Construct AB 781 TON 431.04 -349.96 $25.00 -$8,749.00 31 Construct False Curb at MH 7 EA 0 -7 $3,000.00 -$21,000.00 32 Relocate Existing Mail Box 43 EA 55 12 $200.00 $2,400.00 33 Relocate Existing Water Meter 7 EA 0 -7 $1,200.00 -$8,400.00 34 Relocate Existing Fire Hydrant , 2 EA 0 -2 $4,000.00 -$8,000.00 36 Adjust Existing Water Meter 14 EA 22 8 $200.00 $1,600.00 37 Adjust Existing Manhole 9 EA 6 -3 $600.00 -$1,800.00 39 Relocate Ex Traffic Sign and Post 5 EA 4 -1 $300.00 -$300.00 Additive Bid Items (Williams Avenue) 48 Remove and Relocate Ex Chain Link Fence 40 LF 0 -40 $60.00 -$2,400.00 49 Remove and Relocate Ex Swing Gate 1 EA 0 -1 $2,000.00 -$2,000,00 53 Construct Modified Access Ramp 7 EA 8 1 $2,500.00 $2,500.00 55 Construct Cross Gutter and Spandrel 1,030 SF 1,110 80 $10.00 $800.00 57 Construct Variable Depth AC Overlay per Detail 92 TON 124.50 32.50 $71.00 $2,307.50 58 Construct AC Pavement 156 TON 141.75 -14.25 $70.00 -$997.50 59 Construct AB 208 TON 146.14 -61.86 $25.00 -$1,546.50 62 Relocate Ex Traffic Sign and Post 3 EA 1 -2 $300.00 -$600.00 Subtotal Amount of Adjusted Quantities= -$49,291.74 TOTAL AMOUNT= -$30,861.52 Contract Time Adjustment: Add-5-Working Days. ORIGINAL CONTRACT AMOUNT $ 894,668.50 CITY OF CHINO HILLS Authorized this the day of Change Orders to Date: 1 &2 April, 2016. Add $ 65,337.26 Deduct $ - $ 65,337.26 ART BENNETT, MAYOR Change Orders to Date Adjusted Contract Amount $ 960,005.76 ATTEST: Change Order No. 3 Add -$30,861.52 CHERYL BALZ, CITY CLERK Deduct $ - APP ED BY: Net Change Order -3.45% $ (30,861.52) Total Change Orders 3.85% STEVE NIX, Cl .Y ENGINEER ACCEPTED BY: S14.144/04< AMENDED CONTRACT AMOUNT $ 929,144.24 SEQUEL CONTRACTORS, INC. Page 2 of 2 119/623