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Home My WebLink About2011 CON Koch Armstrong - Change Order #27 Marina Gateway Streetscape, FY 09-10CALIFORNIA 4-0,- NATIONAL CITY ri/ C_.. INCORPORATE MARINA GATEWAY STREETSCAPE Specification #08-16 Contractor: Koch -Armstrong General Engineering, Inc. FINAL CLEAN-UP CHANGE ORDER # 27 January 7, 2011 Reason/Purpose for this Change Order: This change order summarizes all line item extensions and change order modifications for this project. The City of National City and Contractor agree to the following change to the original Contract: !The Contractor and City agree that the quantities listed on Attachment "A" are the final field -confirmed quantities ;for this project. The Contractor and City agree that Attachment "B" provides accurate calculations for the modified lump sum dollar totals for Change Orders 3, 8, and 10. Original Contract Amount $ 1,916,282.35 Net change by previously authorized Change Orders 51,706.50 Subtotal Amount of this change order New contract amount Working days added: 0 Submitted by: Working days subtracted: 0 L,J er .... Date City Engineer Date 1, 967, 988.85 $ 1,967,988.85 Percent change in Contract to date 2.70% City Manager required for Change Orders>$24,999 Date By signing this Change Order the Contractor confirms that he/she is completely familiar with its terms and conditions and has fairly negotiated its price, terms and conditions. If this Change Order is approved, Contractor will provide all of the equipment, materials and labor necessary to provide a complete work as described above at that the price stated herein. Additionally, Contractor confirms that the price is fair and complete and represents all costs associated with the work, including but not limited to at equipment, materials, labor, supervision, overhead, fees, bonds, insurance, profit, etc. and that there will be no further compensation. All of the terms and conditions of the original contract documents are incorporated herein. !Accepted and a reed to by Koch -Armstrong GeneralEngineerin Inc _ Frank Herrera, Project Manager Date Note to Contractor: If you do not agree with this Change Order you may be directed to proceed with this work under the terms of the contract and you may proceed under protest. You must comply with the contract requirements of submitting a written protest to protect your claim. Originals: City Clerk, Contractor cc: Engineering project file, Project Manager 1243 National City Boulevard, National City, CA 91950 Telephone (619) 336-4380 CITY OF NATIONAL CITY MARINA GATEWAY STREETSCAPE Specification 08-16 FINAL CLEAN-UP CHANGE ORDER, Attachment "A" 1/15/11 Original Contract FINAL QUANTITIES Delta No. Item Units Quantity Unit Price Amount Quantity Amount 1 Mobilization LS 1 16,900.00 16,900.00 1.00 16,900.00 - 2 Temporary Erosion Control LS 1 5,700.00 5,700.00 1.00 . 5,700.00 - 3 Demolition LS 1 154,300.00 154,300.00 1.09 168,336.90 14,036.90 4 Remove Striping LF 600 2.00 1,200.00 600.00 1,200.00 - 5 Tree Removal EA 29 200.00 5,800.00 29.00 5,800.00 - 6 Remove and Dispose of Railroad Flasher Sign, EA 1 1,200.00 1,200.00 1.00 1,200.00 - 7 Removal of Railroad (including rail, ties, and t LF 1000 28.00 28,000.00 1,062.00 29,736.00 1,736.00 8 Railroad Switch Removal and Modification EA 1 1,200.00 1,200.00 1.00 1,200.00 - 9 Base Subqrade for Ballast Removal (2' Depth'YD^3 664 35.00 23,240.00 689,60 24,136.00 896.00 10 Fill Soil for Ballast Removal (3' Depth) YD^3 324 26.00 8 424.00 324.00 8,424.00 - 11 6" Curb & Gutter per G-2 (Type G) LF 950 22.00 20,900.00 1,001.00 22,022.00 1,122.00 12 6" Curb & Gutter per Mod. G-2 (Type G) LF 1160 27.00 31,320.00 1,175.00 31,725.00 405.00 13 6" Curb per G-1 LF 210 16.00 3,360.00 238.00 3,808,00 448.00 14 4" Sidewalk per SDRSD G-7 SF 26792 4.00 107,168.00 26,772.00 107,088.00 (80.00) 15 Curb Ramps per Mod SDRSD G-27 EA 6 1,200.00 7,200.00 6.00 7,200.00 - 16 Curb Ramps per SDRSD G-29 EA 1 1,700.00 1,700.00 2.00 3,400.00 1,700.00 17 Cross -Gutter per National City Std Dwq Mod (SF 3391 5.50 18,650.50 2,699.00 14,844.50 (3,806.00) 18 AC Overlay SF 4602 2.50 11,505.00 3,293.00 8,232.50 (3,272.50) 19 4.5" AC on 6" CTB SF 12657 3.60 45,565.20 8,410.00 30,276.00 (15,289.20) 20 6.0" AC on 6" CTB SF 16279 4.35 70,813.65 24,472.00 106,453.20 35,639.55 21 4" Concrete (Plaza) SF 4544 4.00 18,176.00 4.360.00 17,440.00 (736.00) 22 Seal Coat SF 14250 0.20 2,850.00 48,582.00 9,716.40 6,866.40 (193.20) 23 Cleveland & 23rd Intersection Pavement (6" F SF 6890 4.60 31,694.00 6,848.00 31,500.80 24 7.5" Porous Concrete (NW Corner of Harrison SF 967 15.00 14,505.00 882.00 13,230.00 (1,275.00) 25 Turf Cell Pavers SF 8814 16.00 141,024.00 - - (141,024.00) 26 Structural Soil Sections CuFt 1000 5.00 5,000.00 1,000.00 5,000.00 - 27 Alley Apron SF 445 5.00 2,225.00 451.00 2,255.00 30.00 28 Driveway LF 3769 6.00 22 614.00 4,908.00 29,448.00 6,834.00 29 Metal Beam Guard Rail LF 70 69.00 4,830.00 78.00 5,382.00 552.00 30 Street Lights (includes Conduit, Wiring, Meter EA 27 5,600.00 151,200.00 27.00 151,200.00 - 31 Street Name Sign, per SDM-102 EA 7 320.00 2,240.00 - - (2,240.00) 32 8" CL 235 PVC Water Main LF 674 63.00 42,462.00 674.00 42,462.00 - 33 8" CL 200 PVC Fire Service w/ Valve (1-27', 2 EA 3 4,080.00 12,240.00 3.00 12,240.00 - 34 6" Fire Service w/ Valve (32') EA 1 2,700.00 2,700.00 1.00 2.700.00 - 35 2" Copper Water (Laterals) EA 5 3,200.00 16,000.00 5.00 16,000.00 - 36 1" Copper Service Water EA 2 2,400.00 4,800.00 2.00 4,800.00 - 37 6" PVC Sewer (Laterals) LF 130 47.00 6,110.00 130.00 6,110.00 - 38 3/4" Gas Pipe LF 14 116.00 1,624.00 - - (1,624.00) 39 1" Gas Pipe LF 65 50.00 3,250.00 - - (3,250.00) 40 18" Steel Casing LF 41 106.00 4,346.00 41.00 4,346.00 - 41 8" Steel Casing LF 100 32.00 3,200.00 - - (3,200.00) 42 8" Valves EA 6 2,100.00 12,600.00 6.00 12,600.00 - 43 Fire Hydrant Assembly EA 1 6,000.00 6,000.00 1.00 6,000.00 - 44 Relocate Fire Hydrant Assembly EA 1 5,000.00 5 000.00 1.00 5,000.00 - 45 Remove & Relocate Street Sign EA 11 160.00 1,760.00 11.00 1,760.00 - 46 Remove & Relocate Depot Parking Sign EA 1 200.00 200.00 1.00 200.00 - 47 Traffic Sign EA 8 200.00 1,600.00 10.00 2,000.00 400.00 48 Remove & Salvage Street Signs EA 14 30.00 420.00 8.00 240.00 (180.00) - 49 Street Striping (0-4000) LF 2057 1.50 3,085.50 2,057.00 3,085.50 50 Pavement Markers EA 76 7.00 532.00 76.00 532.00 - 51 Thermoplastic with Glass Beads SF 260 4.00 1 040.00 260.00 1,040.00 - 52 Blue Pavement Marker EA 2 100.00 200.00 2.00 200.00 - 53 Depot Feature Up -Lighting & All Appurtenance LS 1 15,800.00 15,800.00 1.00 15,800.00 54 Vehicular Sliding Gate & All Appurtenances In LS 1 21,000.00 21,000.00 1.00 21,000.00 - 55 Concrete Mowcurb (SDRSD # L-4) LF 300 15.00 4,500.00 250.00 3,750.00 (750.00) 56 Stone Pilasters EA 3 2,500.00 7,500.00 3.00 7,500.00 - 57 Mailbox w/ Post EA 1 800.00 . 800.00 1.00 800,00 - 58 Steel Fencing LF 320 66.00 21,120.00 317.00 20,922.00 (198.00) 59 Single Swing Access Gate EA 1 2,000.00 2,000.00 1.00 2,000.00 - 60 Double Swing Access Gate EA 3 4,000.00 12,000.00 3.00 12,000.00 - 61 Boardwalk SF 3922 24.00 94,128.00 - - - 62 Boardwalk Cross Over LS 1 5,500.00 5,500.00 1.00 5,500.00 - 63 DG Paving at Tree Pits SF 2700 1.50 4,050.00 2,391.00 3,586.50 (463.50) 64 DG Paving at Depot Display Yard SF 21880 3.40 74,392.00 20,532.00 69,808.80 (4,583.20) 85 Cast Iron Tree Grates EA 9 5,000.00 45,000.00 9.00 45,000.00 - 66 Tree Uplightinq (including Conduit, Wiring & P EA 97 513.00 49,761.00 98.00 49,248.00 (513.00) 67 Barrier Protection Per SDG&E Std. 3481.1 LS 1 5,240.00 5,240.00 1.00 5,240.00 - 68 Water Quality Planter Box (Cleveland Avenue' LS 1 2,000.00 2,000.00 - - - 69 Gravel Water Quality Feature LS 1 3,000.00 3,000.00 1.00 3,000.00 - 70 Misc. Utility Removal & Abandonment LS 1 6,000.00 6,000.00 1.00 6,000.00 - 71 Adlust Existing Underground Dry Utility Facilit LS 1 30.00 30.00 1.00 30.00 - 72 Landscape & Irrigation LS 1 312,000.00 312,000.00 0.91 284,925.10 - 73 Temporary Traffic Control LS 1 17,000.00 17 000.00 1.00 17,000.00 - 74 Conduit & Wiring for Existing Pylon Depot Ligl LS 1 2,000.00 2,000.00 1.00 2,000.00 - 75 Install Bench Mark per SDRSD M-11 EA 2 1,000.00 2,000.00 2.00 2,00000 - 76 Remove Existing 10" VCP Sewer Main and Re( LF 1225 60.00 73,500.00 865.00 51,900.00 (21,600.00) 77 Remove 10" VCP Sewer Main and Replace wit LF 100 63.00 6,300.00 100.00 6,300.00 - 78 Remove & Replace Existing MH #898 EA 1 5,000.00 5,000.00 1.00 5,000.00 79 Remove & Replace Existing MH #897 EA 1 5,000.00 5,000.00 1.00 5,000.00 - 80 Remove & Replace Existing MH #896 EA 1 5,000.00 5 000.00 1.00 5.000.00 - 81 Remove & Replace Existing MH #895 EA 1 5,000.00 5,000.00 1.00 5,000.00 - 82 Remove & Replace Existing MH #927 EA 1 5,000.00 5,000.00 1.00 5.000.00 - 83 Cut in 12" x 12" x 8" Tee Connection on Bay f EA 1 5,000.00 5,000.00 1.00 5,000.00 - 84 12" Butterfly Valve EA 2 3,925.00 7 850.00 2.00 7.850.00 - 85 Wet Tap at State 13+63.60 23rd Street EA 1 1,000.00 1,000.00 1.00 1,000.00 - 86 Steel Casing LF 35 32.50 1,137.50 11.50 373-75 (763.75) Bid Alternatives 25A Pourous Concrete SF 8814 18.00 158,652.00 8,623.00 155,214.00 (3,438.00) 48A Additional Striping LS 1 1,000.00 1,000.00 1.00 1,000.00 Chance Orders 1 Relocate Chain Link Fence LS 1 3,785.67 3,785.67 1.00 3,785.67 - 2 Wet Tap - Night Work LS 1 4,740.75 4,740.75 1.00 4,740.75 - 3 Concrete Header LS 1 37 737.00 37,737.00 1.00 46,212.85 8,475.85 4 Remove/Dispose of RCP Pipe LS 1 6,545.57 6,545.57 1.00 6,545.57 - 5 Harzardous materials/remove concrete LS 1 7,980.07 7,980.07 1.00 7,980.07 - 6 Abandon Septic Tank LS 1 934.95 934.95 1.00 93495 - 7 Delete Boardwalk, Replace Sidewalk LS 1 (78,440.00) (78,440.00) - - 8 Delete Acid Etch LS 1 (11,978.46) (11,978.46) 1.01 (12,141.48) (163.02) 9 SDGE Conduit Repair LS 1 6,106.56 6 106.56 1.00 6,106.56 - 10 Replace CTB with CMB LS 1 (13,248.46) (13,248.46) 0.81 (10,747.44) 2,501.02 11 Concrete Boardwalk Crossover LS 1 - - - - - 12 AC @ Railroad Tracks LS 1 9 237.80 9,237.80 1.00 9,237.80 - 13 R&R AC @ East Side of Cleveland* LS 1 23,653.40 23 653.40 14 Delay - Sewer Pump Turn Ons LS 1 14 919.98 14,919.98 1.00 14,919.98 - 15 Water/Fire Services Re-route LS 1 14,169.94 14,169.94 1.00 14,169.94 - 16 Delay - Sewer Main Delay for Gas LS 1 18,249.99 18,249.99 1.00 18,249 99 - 17 R&R Permeable w/ 6" PCC LS 1 2,940.60 2 940.60 1.00 2,940.60 - 18 Credits: Landscaping* LS 1 (30,778.90) (30,778.90) 19 Replace Unsuitable Material w/ CMB LS 1 2 716.94 2,716.94 1.00 2,716.94 - 20 Demo and dispose of wall LS 1 1,592.43 1,592.43 1.00 1,592.43 - 21 Demo and dispose of CMU wall LS 1 1,206.89 1,206.89 1.00 1,206.89 - 22 Induction Lights LS 1 2 462.79 2,462.79 1.00 2,462.79 - 23 Water Quality Planter Box LS 1 15,946.55 15,946.55 1.00 15,946.55 - 24 Delete Line Item #68* LS 1 (2 000.00) (2,000.00) 25 Asphalt Improvements (MSI) LS 1 14,516.69 14,516.69 1.00 14,516.69 - 26 Wheelstops LS 1 1692.79 1,692.79 1.00 1,692.79 Paid as line item adjustments A t':ITO DATE: 11,967,988.85 I (126,999.65)1 r r CALIFORNIA +� MARINA GATEWAY STREETSCAPE Specification #08-16 NA!!Orl!&L C It tRCORPORATSO FINAL CLEAN-UP CHANGE ORDER, Attachment "B" Change Order 3 Unit 7.5"x 12" reinforced concrete header LF Estimated Quantity 1260 Actual Quantity 1543 Difference Unit Price Price Difference 283 29.95 $ Original Total: $ Difference: $ Modified Total: $ Explanation: Pursuant to Change Order #3, the Contractor was to install a 7.5" x 12" concrete header abutting porous concrete sections found in the original contract to ensure the stability of these sections. The City and Contractor negotiated a lump sum price of $37,730.00 based on an estimated 1260 LF at $29.95/LF. The contractor actually installed 1543 LF of concrete header, resulting in an additional $8,475.85 due the contractor for work performed. 8,475.85 37,737.00 8,475.85 46,212.85 Change Order 8 Acid Etch Unit SF Estimated Quantity 30714 Actual Quantity 31132 Difference 418 Unit Price Price Difference 0.39 $ Original Total: $ Difference: $ Modified Total: $ Explanation: Pursuant to Change Order #8, the Contractor was to provide a credit to the City for the removal of acid etch for all 4" sections of concrete (Line Items 14 and 21). The credit was based on the estimated square feet of 4" concrete (30,714) at a rate of .39/sq ft, resulting in an estimated credit of $11,978.46. The actual number of square feet of 4" concrete installed was 31,112 which increased the credit to the City by $163.02, resulting in a total credit of $12,141.48. 163.02 11, 978.46 163.02 12,141.48 Change Order 10 Replace CTB with CMB Unit TON Estimated Quantity 1247.5 Actual Quantity 1012 Difference -235.5 Unit Price Price Difference 10.62 $ Original Total: $ Difference: $ Modified Total: $ Explanation: Pursuant to Change Order #10, the Contractor was to replace the installation of CTB in Line Items 19, 20, and 23 with CMB for each of those line items. The credit was based on the estimated tonnage of CTB required (1,247.5) at unit price of $10.62 per ton. This resulted in an estimated $13,248.46 credit to the City. The actual number of tons placed was 1,012 which decreased the credit owed to the City by $2,501.02, resulting in a total credit of $10,747.44. (2,501.02) 13,248.46 (2,501.02) 10, 747.44 OFFICE OF THE CITY CLERK 1243 National City Blvd. National City, California 91950 Michael R. Dalla, CMC - City Clerk 619-336-4228 phone 619-336-4229 fax KOCH ARMSTRONG GENERAL ENGINEERING Change Order #27 Marina Gateway Streetscape, FY 09-10 Barby Tipton (Engineering) Forwarded Copy of Change Order to Contractor