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1m. Approve Change Order No.2 for Water Supply Well No. 7CITY OF I M"" CHANBASSEN 690 COULTER DRIVE • P.O. BOX 147 • CHANHASSEN, MINNESOTA 55317 (612) 937 -1900 • FAX (612) 937 -5739 TO: Don Ashworth, City Manager ' FROM: Charles Folch, Director of Public Works ' DATE: September 19, 1995 SUBJ: Approve Change Order No. 2 for the Water Supply Well No. 7 Project No. 94 -3 Attached is Change Order No. 2 for the Water Supply Well No. 7 City Project No. 94 -3. You may recall that the ' first change order for this project did not involve mon ounts to the contract. Only a contract completion time extension was granted since the contractor experien bstantial delays in accessing this site due to City acquisition of the property in cooperation with Gestach. and the Brenden Pond 2nd - Addition plat. The primary work element associated with Change Order N i ves backfilling and grading of the wellsite area. The majority of this work was planned to be included er th tore wellhouse contract. However, due to the existing site conditions and the availability of the ge con or from the Lake Lucy Road Project No. 92 -12, it was determined that conducting the majority of the ding and kfiRing operations at this time would also make the site more accessible for the well drilling contra, r. The costs: sociated with the backfilling and grading operation is $19,874.57. This work item also apps for a deduct i (Part C) for less favorable prices on granular borrow and Class 5 in the well drilling co ntr he deduct amo to $8,436.00. Finally, Part B provides for some minor a onal costs due the cont` or for delays in being able to start the drilling operations. The add amounts to . ,279.10. a . The sum total for the additions and deductions for this contract change o ;, er result in a contract increase of $14,717.67. As stated earli o majority of this cost would have been i urred under the Phase II wellhouse contract for backfillin t t was $164,996. Adding Change ore recomme ' Order No. 2 will yield nded that the City a revr< � 4,117.67 Council approve yielding a revised con ount of $179,713.67, Project No. 94 -3. Attachment: Change Order No. 2. ' c: Jerry Boucher, Utility Superintendent Phil Gravel, BRA gAm&har1eakx \we117.5 MEMORANDUM f = :1 0 wner Cit o ft T m...a Bond Co. lawn, 690 Coulter Dr., Chanhassen, MN 55317 tta Co., 3147 California St. N.E., Mph., MN 55418 CHANGE ORDER NO. 2 Deep Well No. 7 Project No. 94-3 Fire No. 39322 Date September 14, 1995 Change Order No. 2 Description of Work The contract for construction of the casing portion of Well No. 7 was awarded on July 25, 1994. Construction was delayed because of site aquisition problems. Once the site was available, significant preparation work was necessary to make the site suitable for drilling. ' This change order includes work necessary to make the Well No. 7 site buildable. Most of the work that is included in this Change Order is work that would normally have been completed as part if a pumphouse contract, but is being completed at this time due ' to time constraints. The work consists of grading, granular back6ll, and erosion control measures. This Change Order also extends the Contract completion date ' p n eta March 16,.1996. Contract unit Total No. Item unit Quantity - Price Amount ' 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Change Order No. 2 Site Improvements Part A Grading and Filling Backhoe Operator Loader Operator Foreman 235 C Backhoe 245 Backhoe D -4 HLGP Dozer Dynapac Compactor 966 D Loader 950 F Loader Pickup Granular (Sand) Backfill Class 5 Aggregate 3/4" Rock 3" rock Type I silt fence HR 29 53.96 1,564.84 HR 26 53.23 1,383.98 HR 46 62.45 2 HR 27 122.36 3,303.72 HR 2.5 159.81 399.53 HR 29.5 48.67 1,435.77 HR 17.5 43.13 754.78 HR 1.5 59.19 88.79 HR 3.0 47.41 142.23 HR 46 9.48 436.08 TN 1450 4.93 7,148.50 TN 48.2 7.13 343.67 TN 41.10 7.98 327.98 TN 150.00 9.28 1,392.00 LF 100.00 2.84 284.00 CO -1 Contract Unit Total ' No. Item Unit Quantity Price Amount 1 16 Type III silt fence LF 1.81 1.81 3 -2g Total Part A 19,874.57 1 Part B Casing and Drilling ,17 Union Labor Wage Increase LS 1 2,050.00 2,050.00 18 Materials Restock Charge LS 1 1,229.10 1,2,9 -10 ' Total Part B 3,279.10 Part C Deductions 1 19 Granular Burrow CY 620 (12.00) (7,440.00) 20 Class 5 Aggregate Base TN 60 (16.60) f996 -nnl ' Total Part C (8,436.00) ' Total Part A, "Grading and Fillling 19,874.57 Total Part B, Casing and Drilling 3,279.10 ' Total Part C, Deductions (9,43 L(l) Total Change Order No. 2, Site Imprv. 14,717.67 1 1 1 1 1 1 1 CO -2 Original Contract Amount Previous Change Orders - No Change in Contract Price This Change Order No. 2 Revised Contract Amount (including this Change Order) Recommended for Approval by: BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC. Distribution 1 - Owner 1 - Contractor 1 - Engineer 1 - Bond Co. CO -5 $ 164,996.00 ' 0.00 14,717.67 ' $ 179,713.67 " 1 Approved by Owner: ' CITY OF CHANHASSEN, MN 1 Date: ' " ? is 1