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HomeMy WebLinkAboutLunda Const/Riverwalk Improvements/Chg Ord #1 CHANGE ORDER NO. 1 TO: LUNDA CONSTRUCTION Date: June 27, 2012 2000 Taylor St Little Chute, WI 54140 Your present contract with the City of Oshkosh for construction of Riverwalk improvements/dock installations for the City Center Riverwalk project is hereby amended and changed as follows: INCREASE: C.O. 1 Rock anchors,waler&associated work on hotel Riverwalk section $197,858 C.O. 1A Riprap existing sheet pile wall on hotel Riverwalk section $ 57,000 NET INCREASE—CHANGE ORDER#1 $254,858 Original Base Bid Amount $2,874,590.70 Alternate Bid Amount(hotel section) $1,024,040.00 $3,898,630.70 INCREASE C.O.#1 $ 254,858.00 Revised Contract Amount $4,153,488.70 RECD M NDED: CITY OF OSHKOSH (Wit,"-.3 �� BY: Q.---i, Cor munity Development Director City Ma ..ger i t �! 4'` City Clerk I certify that provision has been made to f pay the liability that will accrue to the City of 0 hkosh,Wisconsin, under the within APPROVED AND ACCEPTED: C-11;:e Order. 5". 24 0 , AL.Financer� Lunda Construction Inc. Appved as to form: ,_ Lynn 0.renson, ct A7%rney 11.1)1111 CITY OF Of HKO r H REQUEST FOR QUOTATION ON THE WATER CHANGE ORDER NO.: / TO CONTRACTOR: Lunda Construction Inc. PROJECT: City Center Riverwalk PROJECT NO: 60250465 OWNER: City Of Oshkosh ENGINEER: AECOM The following moditication(s)to the Contract:are hereby ordered(use additional pages if required): Provide and install approximately 12 rock anchors per the attached Specification 02164—Rock Anchors and as follows. Rock anchors to be drilled through approximately 60 feet of soil and 25 feet of rock. Anchors will be installed at an angle of 45 degrees from horizontal. Anchors will be installed from the riverside of the existing steel sheet pile wall. Penetrations through the wall to accommodate the anchors will be required and are considered incidental to the construction. Anchors will be required to support a minimum allowable tensile load of 40,000 pounds. All anchors are to be proof tested to 133%of the allowable load. One performance test to 150%of the design load will be required on the first production anchor. The contractor will provide the required equipment and personnel to perform the load testing. The load testing is considered incidental to the construction. Payment is based on a total of 12. 12 Rock Anchors $91,060.00 Lump sum Mobilization/Demobilization$62,688.00 Lump sum, Rock Anchors $7,588.00 each Provide and install approximately 250 LF of a new W16x40 structural steel waler along the sea wall as referenced above. Water to be welded or bolted in place to sheets with minimum 2 inch long 3/8 fillet welds or 1-inch diameter nelson studs. Full penetration welds required on all splices. Contractor to include typical gussets and reinforcement in wafer for tie back connection. All waters will be constructed from grade 50 steel or stronger. Payment is on a lump sum basis. Price to include all investigation work,supplies and labor incurred to date Provide and Install 250 LF of W16X40 Wafer$44,110.00 lump sum Reason for Modification(s): Hotel Sea wall construction was not constructed as anticipated or designed as determined by exploratory openings in the existing Riverwalk structure. Two tie backs have failed and several show signs of deterioration. Scouring of the river sediment has occurred and structural improvements are required to meet current Army Corps of Engineers and AISC design standards. Contract Amount or Price Contract Times(Calculate Days) Original $ _ Original Duration Days Previous Change Order(s) Previous Change Order(s) (Add/Deduct) (Add/Deduct) $ Days This Change Order This Change Order (Add/Deduct) $ (Add/Deduct) +38 Days Revised Contract Amount $ Revised Contract Time Days The Revised Contract Completion Date is: , 20 Owner Contractor Engineer Recommendation By: t3Y C�1c�-tom BY= Date: Date: juAL, a./ ?,072 Date: E---a " �l 8-3 REV 06/07 FORM 273 t;ln aF i °1)114 OfHKOfH REQUEST FOR QUOTATION ON THE WATER CHANGE ORDER NO.: 1-A TO CONTRACTOR: Lunde Construction Inc. PROJECT: City Center Riverwalk PROJECT NO: 60250465 OWNER: City Of Oshkosh . ENGINEER: AECOivl The following modification(s)to the Contract are hereby ordered(use additional pages if required): • Provide and install approximately 2000 tons of Heavy Riprap meeting 2012 WisDOT Standard Specifications Section 606 along 250 LF of the exterior of the existing sheet pile wall between Station 21+00 to 23+37(Hotel). Price to include placement,verification immediately adjacent and approximately 8 feet outward from the sea wall during placement and monthly for duration of the project. Payment will be based on a per ton basis of installed riprap per quarry scale tickets. Minimum quantity to be installed is 600 tons. Riprap$95.00 per ton Reason for Modification(s): Hotel Sea wall construction was not constructed as anticipated or designed as determined by exploratory openings in the existing Riverwalk structure. Two tie backs have failed and several show signs of deterioration. Scouring of the river sediment has occurred and structural improvements are required to meet current Army Corps of Engineers and AISC design standards. Contract Amount or Price Contract Times(Calculate Days) Original $ Original Duration Days Previous Change Order(s) Previous Change Order(s) (Add/Deduct) (Add/Deduct) $ Days This Change Order This Change Order (Add/Deduct) $ (Add/Deduct) Days Revised Contract Amount $ Revised Contract Time Days The Revised Contract Completion Date is: , 20 Owner __ Contractor Engineer Recommendation By: B �.Kc a� I D r By: Date: Date: jcbt,L. 02J 20/ . Date: • 8-3 REV 06107 FORM 273