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HomeMy WebLinkAboutChange Order No. 2 - Western Avenue Corridor Improvements Project No 115-097 - Selge Constructiony >.-@'8�"-1}: rS .`.%, •..- -- - H,�� .�: : �� irk win '.rr,F4z' ._ .- Change Order No. 02 Western Avenue Corridor Improvements Project No. 115-097 OWNER: City of South Bend ENGINEER: Abonmarche Consultants, Inc. Chad A. Knip, P.E. Indiana Professional Engineer No. 10300102 CONTRACTOR: Selge Construction PROJECT: Western Avenue Corridor Improvements Project No. 11S-097 SUBJECT: Change Order 2 ISSUE DATE: October 10, 2017 This Change Order to the Contract document shall supplement, amend, and shall become a part of, and be incorporated as an Addendum to the Contract. The following is a summary and description of the revisions to the Contract by this Change Order: Phase III: South Side Improvements — july 31, T September 15, 2017 Phase IV: North Side Improvements — September 15 2017 OGt ti, r 40L, 2 October 26, 2017 Phase V: Fixtures, Trees, Fencing, and Landscaping — OGtGbGF 13, 2 October 31, 2017 The completion dates were extended because: 1) The contractor is adding another layer to the Pave Drain under bed (Add 4 days: 2 South Side, 2 North Side). 2) The pavement section at the intersection of Olive & Western on the south side was adjusted (0.5 days) 3) The contractor extended a larger water service than what was called for in the plans (add 1 day) 4) The contractor encountered fiber optic ducts in the way of the storm sewer and needed to raise the fiber optic ducts and existing manhole. (add 1 day) 5) The contractor encountered fiber optic under the light foundations and required extra time to install reinforcement around the conduit. (add 2 days) 6) The contractor performed additional work to address voids under the pavement (add 2.5 days) 7) Additional walk on South Side of Kaley Street (add 1 day) The overall final completion date was changed to November 10, 2017, Total Change Order Request: $85,534.18 SHEET 1 OF 4 Change Order No. 02 Western Avenue Corridor Improvements Project No. 115-097 The following sections of the Contract Documents are revised as a result of the above changes: BIDDING AND CONTRACT REQUIREMENTS: Bid/Proposal Form: Change the following fine items: 31. Coarse Aggregate, No. 8 99B 770 CYD $41.55 $33,240.00 $31, 993.50 39. PCCP, 10" 39 1835 SYD 82.75 t13n�w $151, 846.25 41. Sidewalk, Concrete, 4" 2860 2906.1 SYD $42.05 $12n-z=o 263.00 $122,201.50 69. Decorative Picket Fence, 6' 50 0 LFT $150.00 $7;599:90 $0.00 72. Decorative Picket Fence, Gate, 6-8' Height 1 EACH $4,700.00 $4,700.00 122. Drilled Shaft Foundation Type -9A 1 EACH $6,800 $6,800 144. PCCP, 4" Overlay 4300 4045 SYD 28.40 $'"'., "' "' 0 � $114,878.00 Add the following line items: 146. Center Line Exposure 376 LFT $49.00 $18,424.00 147. Flowable Backfill, Non -Removable 64 CYD $145.00 $9,280.00 148. Light Foundation Extra 3 EACH $595.00 $1,785.00 149. Water Services, 3" & 8" 1 EACH $8,865.00 $8,865,00 150. Decorative Picket Fence, Type 4 51.5 LFT $221.95 $11430.43 151. No. 11 Aggregate, Limestone 1,070 SYD $14.45 $15,461.50 152. Underground Storage Tank Remediation 1 EACH $8,317.00 $8,317.00 153. Raise Fiber Optic Ducts 1 LS $3,915.00 $3,915.00 154. Drilled Shaft Foundation Type B Anchor Bolts, Not Installed 1 LS $1,005.00 $1,005.00 SPECIFICATIONS: The following special provisions have been amended or added to the Contract Documents and are issued as part of this Change Order: XIII. PROSECUTION AND PROGRESS Revise Section 13.1: 1. The project will have a final completions date of QGtGber 25, 2November 10 2017 for all work. The contract time will start when the Notice to Proceed is delivered and signed. SHEET 2 OF 4 Change Order No. 02 Western Avenue Corridor Improvements Project No. 115-097 Revise Section B.3: 3. The project will have intermediate completion dates as listed in the tale below for substantial completion: Phase I & II: Kaley Street and Meade Street Sewer and Water Crossings — June 30, 2017 Phase III: South Side Improvements — l.,l�,uy 31, 2917 August 34, 94-7 September 15, 2017 Phase IV: North Side Improvements — September 15. 2017 nnf hnr_ an 2017 October26, 2017 Phase V: Fixtures, Trees, Fencing, and Landscaping — QGtober 1 2 1 � October 31, 2017 a. The project will have an intermediate substantial completion date of June 30, 2017 for storm sewer to be constructed from the intersection of Western Avenue and Kaley Street to its northern connection on Kaley Street and for water crossings at Meade Street and at Kaley Street. A minimum of one travel lane and one parking lane along Western Avenue shall be open to traffic during the lane closure. b. The project will have an intermediate substantial completion date of 44�L ; 28� August 31, 2017 September 15, 2017 for construction of curb, sidewalk, roadway, lighting, pavers, and all project elements complete and in -place on the southern side of the roadway centerline except for pavement markings, benches, bike racks, landscaping, and trees. A minimum of one travel lane and one parking lane along Western Avenue shall be open to traffic during the lane closure period. Temporary parking lane closures will be permitted for water service connections. Phase III of the project can occur simultaneously with Phase Il, provided that the contractor maintains a minimum of one travel lane along Western Avenue and submits a revision to the Maintenance of Traffic Plan that is approved by the City prior to construction. c. The project will have an intermediate substantial completion date of September 15, 2017 October 26, 2017 for construction of curb, sidewalk, roadway, lighting, pavers, pavement markings, and all project elements complete and in -place on the north side of the roadway centerline except for benches, bike racks, landscaping, and trees. A minimum of one travel lane and one parking lane along Western Avenue shall be open to traffic during the lane closure period, d. The project will have an intermediate substantial completion date of October 31, 2017 for installation of benches, bike racks, landscaping, fencing, and trees. A minimum of two travel lanes on Western Avenue shall be open to traffic during the lane closure period. LX. PERMEABLE PAVERS Revise Section B. 8. The block shall be laid on 1" of No. 11 limestone on INDOT No. 8 coarse aggregate as shown in the plans. The aggregate will be paid for separately. 9. A support layer of Tensar BX1100, or approved equal, shall be laid within No. 8 stone at a level 8" to 10" below the bottom of the pavers. An additional layer of Tensar BX1100, or approved equal, shall be between the No. 8 aggregate and No. 11 aggregate, approximately 1" below the pavers. abeve4he-aggregate, dire Gtly below the poro ro LXIV. WATER MAIN Add Section B.3.e: 3. Services SHEET 3 OF 4 Change Order No. 02 Western Avenue Corridor Improvements Project No. 115-097 e. Water services 2" and larger shall be ductile iron, Class 50, 150 psi working pressure and in accordance with AWWA C-151-91. Ductile iron pipe and valves shall be in accordance with the project specifications. The water service shall include the ductile iron pipe, tapping sleeve and valve, connection to existing service, and all mechanical joint fittings. Add Section B.7: B. Additions 7. In the event that fiberoptic conduit crosses the proposed foundation location, the Contractor shall modify reinforcement and formwork to allow for the conduit to pass through the foundation and shall be paid for Lighting Foundation Extra at the unit prices as set forth in the proposal. LXXIII. DRILLED SHAFT FOUNDATION TYPEI4A Revise Section BA: B. Additions 1. Drilled shaft foundation shall be installed as noted on the plans and in accordance with INDOT Standard Drawing E805-TSCS-re-15. LXXXX. FLOWABLE BACKFILL. NON -REMOVABLE Add: A. Prevailing Specifications: 2016, INDOT Standard Specifications Section 213 B. Additions: Flowable backfrll shall be utilized where indicated on the plans. Flowable backfill will be measured and paid for as FLOWABLE BACKFILL, NON -REMOVABLE (CYS). LXXXXI. CENTER LINE EXPOSURE Add: A. Prevailing Specifications: 2016, iNDOT Standard Specifications Section 202 and 213 B. Additions: 1. Voids in the subgrade are suspected beneath the pavement from Kaley Street to Meade Street over the length of the existing sanitary sewer. 2. Contractor shall saw cut the existing pavement to remove two feet of existing pavement over the existing sewer. The existing asphalt and concrete pavement shall be removed from the site and properly disposed of. 3. The existing subgrade shall be inspected to determine the location and extent of the potential voids. 4. Contractor shall place Flowable fill in the exposed trench to fill the voids and the excavated trench to a level necessary to obtain a minimum of 2" of HMA Wedge and Level for the bond breaker course for the proposed grade. SHEET 4 OF 4 Change Order No. 02 Western Avenue Corridor Improvements Project No. 115-097 5. The approximately 6" above the flowable fill shall be filled with covered or filled with temporary asphalt, or other acceptable material, which will be removed during surface preparation for placement of bond breaker beneath the proposed concrete overlay. 6. Contractor is responsible to maintain the approximately 6" depth temporary material at intersections to maintain traffic. 7. The flowable fill shall be in accordance with specifications in this addendum. 8. The saw cut and excavation of concrete and asphalt pavements shall be measured by the square yard and paid for as CENTER LINE EXPOSURE (SYS). CONSTRUCTION CHANGES DRAWINGS: Plan sheets have been revised and are issued as new sheets and attached to this Change Order. Below is an abbreviated summary of the revisions, see plan sheets for detailed revisions: Sheet 16 of 64: Add approximately 5 syd of asphalt removal near Sta. 60+75, Lt Sheet 17 of 64: Revise approach width at Sta. 69+30, Rt Sheet 18 of 64. Revise approaches at Sta. 71+75, Rt. and Sta. 72+11, Lt Sheet 34 of 64: Add landscaping near Sta. 60+70, Lt; Remove shrubs near Sta. 69+50, Rt Sheet 35 of 64: Revise fencing, landscaping, and trees near Sta. 71+75 Rt and Sta. 71+75 Lt Sheet 37 of 64: Revised landscaping near Sta. 60+70, Lt Sheet 38 of 64: Revise fencing details near Sta. 71+75 Lt Sheet 39 of 64: Add Decorative Fence specification for Type 4 fence Sheet 46 of 64: Revise light pole location of lights 20 through 23 Sheet 51 of 64: Revise aggregate section beneath pavers Sheet 55 of 64: Revise approach information to reflect plan changes Sheet 56 of 64: Revise Str. 32 location and Str. 32 and 33 pipe lengths END CHANGE ORDER 2 SHEET 5 OF 4