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Home My WebLink About17880 ORD - 10/12/1983AN ORDINANCE AUTHORIZING THE EXECUTION OF CHANGE ORDER NOS. 5, 7, 8, 9, 10, 11, and 15 TO THE CONTRACT WITH F & E ERECTION COMPANY, INC. FOR THE SECOND PHASE OF THE EXPANSION AT THE OSO WASTEWATER TREATMENT PLANT; APPROPRIATING $133,087.06; AND DECLARING AN EMERGENCY. BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF CORPUS CHRISTI, TEXAS: SECTION 1. That the City Manager be authorized to execute Change Order Nos. 5, 7, 8, 9, 10, 11, and 15 to the contract with F & E Erection Company, Inc. for the second phase of the expansion at the Oso Wastewater Treatment Plant, copies of which change orders are attached hereto and made a part hereof marked Exhibits "A", "B", "C", "D", "E", "F", and "G" respectively. SECTION 2. That there is hereby appropriated $133,087.06 from the No. 250 Sanitary Sewer Bond Fund applicable to Project No. 250-77-27, Oso Wastewater Treatment Plant, Contract 5. SECTION 3. That upon written request of the Mayor or five Council members, copy attached, to find and declare an emergency due to the need to take immediate action to preserve and protect public property by expediting the construction of public improvements, such finding of an emergency is made and declared requiring suspension of the Charter rule as to consideration and voting upon ordinances or resolutions at three regular meetings so that this ordinance is passed and shall take effect upon first reading as an emergency measure this the 12th day of October, 1983. ATTEST: Ci y Secretary APPROVED:) '—DAY OF OCTOBER, 1983 "Bruce ycock, Ciy 't orney • MAY RI'to I / J ��7Z A ki L THE CITY OF CORPUS CHRISTI, TEXAS 17$60 SEP 2 81984 Attali 1LMED FR N ENGINEERING CORPUS CHRISTI, TEXAS P O. BOX 6355, 2725 SWANTNER CORPUS CHRIST!, TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatiaent Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 5 Job No. 9254.30 PART A: NECESSITY OF THE CHANGE ORDER: Item No. 1 - This Change Order involves lowering of the clarifier influent target walls to aid in scum removal from the clarifiers to the plant's digestive system. Lowering of these target walls will allow for increased scum flow to the slotted pipe skimmer, and eliminate the "dead area" that now exists at the influent side of the dlarifiers. The target walls on both the east and west plants are proposed to be lowered by this Change Order. PART B: DESCRIPTION OF THE WORK: The clarifier reinforced concrete target walls will be saw cut with special equipment and grout will be placed over the cut surface to provide for smooth wall edges. PART C: COST BREAKDOWN: I. Materials: a. Scaffold Brackets 6 Brackets @ $89.00/Each b. 2 x 12 Walk Boards 360 Board Feet @ $0.43/B.F. c. 2 x 4 Board Handrails 45 Board Feet @ $0.35/B.F. d. 2 x 4 Forms 63 Board Feet @0.35/B.F. e. Form Anchors 480 Anchors @ $0.75/Each _ $ 534.00 $ 154.80 • $ 15.75 $ 22.05 • $ 360.00 Eh 17.,�ne hange Order No. 5 gage 2 f. Grout 45 Cubic Feet @ $3.00/C.F. g. Epoxy 6 Gallons @ $15.00/Gal. • $ 135.00 • $ 90.00 MATERIAL SUB -TOTAL $ 1,311.60 II. Labor a. Foreman 92 Hours @ $11.50/Hr. b. Carpenters 60 Hours @ $6.00/Hr. c. Finishers 60 Hours @ $6.50/Hr. d. Laborers 286 Hours @ $4.60/Hr. e. Operators 90 Hours 0 $8.00/Hr. f., Surveyor 22 Hours @ $8.00/Hr. • g. Rodman 22 Hours @ $4.60/Hr. LABOR SUB -TOTAL III. Equipment: a. 25 Ton Crane 90 Hours 0 $30.15/Hr. • b. Crew/Equipment Truck 9 Hours @ $25.00/Hr. _ c. Air Compressor w/Tools 60 Hours @ $11.00/Hr. • $ 1,058.00 • $ 360.00 • $ 390.00 • $ 1,315.60 • $ 720.00 • $ 176.00 • $ 101.20 • $ 4,120.80 • • $ 2,713.50 • $ 225.00 • $ 660.00 EQUIPMENT SUB -TOTAL $ 3,598.50 IV. Sub -Contractor - Labor & Equipment Included Saw 300 Feet of Concrete Wall @ $31.50/Ft. • $ 9,450.00 hange Order No. 5 age 3 SUB -CONTRACTOR SUB -TOTAL SUB -TOTAL Taxes & Insurance For Labor @ 22% of $4,120.80 SUB -TOTAL Profit @ 15% CHANGE ORDER #5 TOTAL $ 9,450.00 $ 18,480.90 $ 906.58 $ 19,387.48 = 2,908.12 _ $ 22,295.60 THE ORIGINAL SUM WAS THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER THE ORIGINAL COMPLETION TIME -WAS THE NET CHANGE'BY,PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THE ENGI BY: T COMPLETION TIME INCLUDING THIS CHANGE ORDER CONTRACTOR: BY L ry J. Partner P.E. Date: August 25, 1983 OWNER: • CITY OF CORPUS CHRISTI BY: James K. Lontos, P.E. Assistant City Manager Date: $ 6,685,759.00 $ 104,549.92 $ 6,790,308.92 $ 22,295.60 $ 6,812,604.52 500 Working Days 500 Working Days 500 Working Days Vance Davis Project Superintendent Date: August 25, 1983 1' P.O. BOX 6355, 2725 SWANTNER CORPUS CHRISTI. TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 7 PART A: NECESSITY OF THE CHANGE ORDER: Job No 9254.30 This Change Order involves additional heavy-duty chain link fencing to the Oso W.W.T.P. at the request of the City of Corpus Christi. PART B: DESCRIPTION OF THE WORK: Additional chain link fencing will be installed at five different locations on the Oso W.W.T.P. site. One Thousand Five Hundred feet (1500') will be installed on the west side of the plant site to replace existing fencing that has deteriorated. In this new section, a 24' wide double gate will be installed for plant site access. At the South Outdoor Switchgear, Forty -Eight feet (48') of fence and one • Sixteen feet (16') wide gate will be installed. The East Outdoor Switchgear will also be fenced and one Sixteen feet (16') wide gate. The transformer bank adjacent -to Lift Station #2 will be fenced with Thirty -Three feet (33') of fence and one Twenty -Four feet (24') wide gate. One Thousand Two Hundred Forty -Five (1,245) feet of fence will be installed between the new plant entrance road and the back of Pharoah Valley Subdivision, paralleling Nile Road. This new section of fence will include a 30' wide gate at the entrance road. Finally, a 30' wide gate will be installed at the entrance off Ennis JosIin Road. - PART C: COST BREAKDOWN: I. Labor for removing existing fence and layout work for new fencing. a. Foreman 8 hours @ $11.50/hr. b. Operator 8 hours @ $8.00/hr. c. Laborers (2) 16 hours @ $4.60/hr _'$ 92.00 _ $ 64.00 a $ 73.60 �xb."(3" .ange Order 8 '7 • Page 2 d. Surveyor 20 hours @ $8.00/hr. = $160.00 e. Rodman 20 hours @4.60/hr. _ $ 92.00 LABOR SUB -TOTAL = $481.60 II. Equipment for removing existing fence. a. Front, End Loader 8 hours @ $21.93/hr. = $175.44 b. Flat Bed Truck 4 hours @ $6.59/hr. _ $ 26.36 EQUIPMENT SUB -TOTAL = $201_80 III. Subcontract for installation of new fencing and gates. The unit prices include the subcontractor's labor, equipment, and materials_ a. Heavy -Duty Chain -Link Fence 2,874 feet @ $8.00/ft. b. 30' Wide Gate 2 Gates @ $1,000.00/each c. 24' Wide Gate 2 Gates @ $1,000.00/each d. 16' Wide Gate 2 Gates @ $750.00/each = $22,992.00 = $ 2,000.00 = $ 2,000.00 = $ 1,500.00 SUBCONTRACT SUB -TOTAL = $28,492.00 SUB -TOTAL = $29,175.40 Payroll Taxes & Insurance for _ Labor @ 22% of $481.60 = $ 105.95 SUB -TOTAL PROFIT 0 15% -CHANGE ORDER 117 TOTAL = $29,28I.35 = $ 4,392.20 = $33,673.55 Change Order ill ' Page 3 THE ORIGINAL SUM WAS THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER THE ORIGINAL COMPLETION TIME WAS THE NET CHANGE BY PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THP2COATRACT COMPLETION TIME INCLUDING THIS CHANGE ORDER ENGINEER: \l URBAN ENGINEERING F & E ERECTN CONTRACTOR: BY: Larry J. Partner an,P.E. Date: August 29, 1983 OWNER: CITY OF CORPUS CHRISTI BY: Date: James K. Lontos, P.E. Assistant City Manager BY: $6,685,759.00 $ 148,549.23 $6,834,308.23 $ 33,673.55- $6,867,981.78 500 Working Days 500 Working- Days 500 Working- Days Vance Davis Project Superintendent Date: August 29, 1983 P.O. BOX 6355, 2725 SWANTNER CORPUS CHRISTI, TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 8 PART A: NECESSITY OF THE CHANGE ORDER: Job No, 9254.30 This Change Order involves structural repairs to an existing junction box on the plant effluent line at the request of the City of Corpus Christi. The junction box is located on the plant's existing 72" R.C.P. effluent line at plant coordinates 56+52N and 112+32E, and shown orr Sheet 24 of the construction drawings. PART B: DESCRIPTION OF THE WORK: The northern most corner of the junction box has deteriorated to such a degree that one-half of the concrete wall section is gone, and reinforcing steel exposed. New reinforcing steel will be doweled into existing walls, concrete formwork installed, and epoxy grout placed to repair the box corner. PART C: COST BREAKDOWN: I. Materials: a. Scaffolding 1 Lump Sum @ $80.00 b. Reinforcing Steel 180 Pounds @ $0.20/LB. c. Epoxy 1 Gallon @ $15.00/Gal. d. Grout • 27 Cubic Feet @ $3.00/C.F. = $ 80.00 = $ 36.00 = $ 15.00 _ $ 81.00 MATERIAL SUB -TOTAL = $ 212.00 b. t' flange Order No. 8 ige 2 II. Labor a. Foreman 32 Hours @ $11.50/Hr. _ $ 368.00 b. Finisher 24 Hours @ $7.00/Hr. = $ 168.00 c. Ironworker 4 Hours @ $5.00/Hr. _ $ 20.00 d. Laborers 36 Hours @ $4.60/Hr. _ $ 165.60 LABOR SUB -TOTAL = $ 721.60 III. Equipment Air Compressor w/Tools 16 Hours @ $6.68/Hr. EQUIPMENT SUB -TOTAL SUB -TOTAL Payroll Taxes & Insurance @ 220 of $721.60 = $ 106.88 = $ 106.88 $ 1,040.48 _ $ 158.75 SUB -TOTAL $ 1,199.23 Profit @ 15% CHANGE ORDER NO. 8 TOTAL THE ORIGINAL SUM WAS THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER THE ORIGINAL COMPLETION TIME WAS THE NET CHANGE BY PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THE CONTRACT COMPLETION TIME INCLUDING THIS CHANGE ORDER = $ 179.88 _ $ 1,379.11 $ 6,685,759.00 $ 182,222.78 $ 6,867,981.78 $ 1,379.11 $ 6,869,360.89 500 Working Days 500 Working Days 500 Working Days range Order No. 8 jge 3 ENGIN ER: CONTRACTOR: URBAN ENGINEERING BY: p La ry J. Urb Partner Date: August 29, 1983 OWNER: CITY OF CORPUS CHRISTI BY: James K. Lontos, P.E. Assistant City Manager Date: F & E ERECTSONJCOMPANY BY: Vance Davis Project Superintendent Date: August 29, 1983 LINEMAN ENGINEERING CORPUS CHRISTI, TEXAS P.O. BOX 6355, 2725 SWANTNER CORPUS CHRISTI. TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 9 Job No. 9254.30 PART A: NECESSITY OF THE CHANGE ORDER: This Change Order involves replacement of existing suction and discharge valves with new valves in both Lift Stations 01 & 02 as requested by the City of Corpus Christi. It was the intent of the original contract to reuse ,the existing valves in both lift stations. However, at this time, several valves are inoperable and others have deteriorated beyond repair_ PART B: DESCRIPTION OF THE WORK: No special construction techniques will be required. Lift Station 01 will receive: Two new 18" gate valves on the suction piping, and two new 18" gate valves with chain operators on the discharge piping. Lift Station 02 will receive: two new 24" gate valves, one new 20" gate valve, and one new 16" gate valve on the suction piping, and one new 24" gate valve with chain operator, one new 20" gate valve with chain operator, and one new 14" gate valve with chain operator on the discharge piping. The pressure relief line back into the lift station wet well will receive one new 12" gate valve and one new 12" check valve. A total of thirteen (13) existing valves will be replaced with new valves. PART C: COST BREAKDOWN: I. Materials: a. 24" Gate Valve w/Chain Operator 1 valve @ $5,295.00/Each b. 24" Gate Valve 2 Valves @ $4,700.00/Each c. 20" Gate Valve w/Chain Operator 1 Valve @ $3,720.00/Each d. 20" Gate Valve 1 Valve @ $3,125.00/Each = $ 5,295.00 = $ 9,400.00 _ $ 3,720.00 = S 3,125.00 hange Order No. 9 gage 2 e. 18" Gate Valve w/Chain Operator 2 Valves @ $2,838.00/Each f. 18" Gate Valve 2 Valves @ $2,243.00/Each g. 16" Gate Valve 1 Valve @ $1,700.00/Each h. 14" Gate Valve w/Chain Operator 1 Valve @ $1,933.00/Each i. 12" Gate Valve • 1 Valve @ $1,000.00/Each 3• 12" Check Valve 1 Valve @ $1,600.00/Each k. 24" Bolt Set 2 Sets @ $93.40/Set = $ 5,676.00 = $ 4,186.00 = $ 1,700.00 = $ 1,933_00 = $ 1,000.00 $ 1,600.00 $ 186_80 1. 20" Bolt Set 1 Set @ $41.52/Set $ 41.52 m. 18" Bolt Set 4 Sets @ $36.96/Set n. 16" Bolt Set 1 Set @ $27.72/Set o. 12" Bolt Set 6 Sets @ $19.80/Set p. 24"• Gasket 2 Gaskets @ $7.00/Each q. 20" Gasket 1 Gasket @ $6.70/Each r. 18" Gasket 4 Gaskets @ $5.70/Each s. 16" Gasket 1 Gasket @ $5.25/Each t. 12" Gasket 6 Gaskets @ $4.50/Each = $ 147.84 _ $ 27.72 = $ 118.80 $ 14.00 $ 6.70 $ 22.80 = $ 5.25 $ 27_00 u. 18" Spool Piece 2 Spools @ $600.00/Each = $ 1,200.00 MATERIAL SUB -TOTAL = $39,733_43 ' 'range Order No. 9 age 3 II. Labor a. Foreman 301 Hours @ $11.50/Hr. = $ 3,461.50 b. Pipefitter 289 Hours @ $11.93/Hr. $ 3,447.77 c. Operator 26 Hours @ $8.00/Hr. $ - 208.00 d. Laborer 134 Hours @ $5.18/Hr. = $ 694.12 LABOR SUB -TOTAL = $ 7,811.39 III. Equipment a. Pneumatic Wrench w/Compressor 73 Hours 0 $13.75/Hr. = $ 1,003.75 b. Crane 26 Hours @ $30.15/Hr. = $ 783.90 F. Flat Bed Truck 16 Hours @ $6.59/Hr. = $ 105.44 EQUIPMENT SUB -TOTAL $ 1,893.09 IV. Subcontract Work for Va1ve Disassembly and Cleaning, and Pipe Rental for Extra By -Pass Pumping a. Valve Disassembly & Cleaning 1 Lump Sum @ $351.60 b. Pipe Rental 2 Weeks @ $400.00/Wk. SUBCONTRACT SUB -TOTAL SUB -TOTAL Payroll Taxes & Insurance @ 22% of $7,811.39 SUB -TOTAL Profit @ 15% $ 351.60 $ 800.00 - $ 1,151.60 _ $ 50,589.51 $ 1,718.51 $ 52,308.02 = $ 7,846.20 CHANGE ORDER NO. 9 TOTAL = $ 60,154.22 THE ORIGINAL'SUM WAS $ 6,685,759.00 THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS - $ 183,601.89 'Mange Order No. 9 age 4 THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS , THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER THE ORIGINAL COMPLETION TIME WAS THE NET CHANGE BY PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THE CONTRACT COMPLETION TIME INCLUDING THIS CHANGE ORDER $ 6,869,360.89 $ 60,154.22 $ 6,929,515.11 500 Working Days 500 Working Days 500 Working Days ENGIIS'EER: \ CONTRACTOR: URBAN\,ENGINEE INC F & E ERECTION COMPANY BY: ' Walt\ BY: e__, -_ Vance Davis - Project Superintendent La ry J. Urban, Partner • Date: 8-29-S3 OWNER: CITY OF CORPUS CHRISTY BY: James K. Lontos, P.E. Assistant City Manager Date: Date: 8-23 - .03 P.O. BOX 6355. 2725 SWANTNER CORPUS CHRISTI. TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.R. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 10 PART A: NECESSITY OF THE CHANGE ORDER: Job No. 9254.30 This Change Order involves additional modifications to the bar screen/grit removal structure as requested by the City of Corpus Christi. The original contract -included minor modifications to the existing bar screen/parshall flume structure, however, to aid in aesthetics and possibly increase safety, the Owner has requested that additional modifications be performed. PART B: DESCRIPTION OF THE WORK: Approximately 20' of an existing 9" concrete wall will be demolished and disposed of off-site. In addition, a total of 20' of concrete retaining wall will be constructed at three different locations. At the south end of. this structure, 12' of retaining wall will be built connecting the east side of the existing parshall flume to the southwest corner of the modified grit removal basin. Located at the north end of this structure, 4' of retaining wall will be built connecting the northeast corner of the old bar screen to the northwest corner of the modified grit removal basin. Finally, 4' of retaining wall will be constructed immediately south of the stair landing on the west side of the modified grit removal basin. After completion of the 3 new retaining walls, fill material will be placed between the old bar screen/parshall flume structure and the modified grit removal basin. The fill material will be brought up to the top of the existing and new retaining walls. PART C: COST BREAKDOWN: I. Materials a. 3/4" Plywood Forms 3 Sheets @ $14.72/Each b. 2 x 4 Form Bracing 41 Board Feet @ $0.35/B.F. c. Reinforcing Steel 149 Pounds@ $0.20/LB. $ 44.16 = $ 14.35 = $ 29.80 2nge Order No. 10 rage 2 . d. Epoxy 1 Gallon 0 $15.00/Gal. e. 3000 p.s.i. Concrete 2 Cubic Yards @ $50.75/C.Y. f. Form Ties 80 Square Feet @ $0.11/S.F. II. Labor = $ 15.00 $ 101.50 = $ 8.80 MATERIAL SUB -TOTAL $ 213.61 a. Foreman 27 Hours @ $11.50/Hr. b. Operators 9 Hours @ $8.00/Hr. c. Carpenter 22 Hours @ $6.00/Hr. d. Ironworker 3 Hours @ $4.96/Hr. e. 'Finisher 7 Hours 0 6.50/Hr. f. Laborers 81 Hours 0 $4.60/Hr. III. Equipment = $ 310.50 S 72.00 = $ 132.00 = - $ 14.88 = $ 45.50 _ $ 372.60 LABOR SUB -TOTAL = $ 947.48 a. Air Compressor 8 Hours @ $6.68/Hr. b. Crane 1 Hour 0 $30.15/Hr. c. Flat Bed Truck 1 Hour @ $6.59/Hr. = $ 53.44 _ $ 30.15 = $ 6.59 d. Front End Loader 8 Hours @ $21.93/Hr. _ $ - 175.44 e. Plate Compactor 8 Hours @ $2.25/Hr. = $ 18.00 f. Dump Truck (Rental) 4 Hours -0 $25.00/Hr. - = $ 100.00 EQUIPMENT SUB -TOTAL = $ 383.62 cuange Order No.'10 Page 3 IV. Sub -contract Work Painting of Concrete Walls: 1 Lump Sum @ $160.00 = $ 160.00 SUB -CONTRACT SUB -TOTAL SUB -TOTAL $ 160.00 = $ 1,704.71 Payroll Taxes & Insurance 8 22% of $947.48 $ 208.45 SUB -TOTAL Profit @ 15% CHANGE ORDER #10 TOTAL $ 1,913.16 = $ 286.97 $ 2,200.23 THE ORIGINAL CONTRACT SUM WAS $ 6,685,759.00 THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS $ 243,756.11 THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS $ 6,929,515.11 THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER $ 2,200.13 THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER $ 6,931,715.24 THE ORIGINAL COMPLETION TIME WAS THE NET CHANGE BY PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THE CONTRACT COMPLETION TIME INCLUDING THIS CHANGE ORDER 500 Working Days 500 Working Days 500 Working Days ENG NEER: URBAN ENG BY: CONTRACTOR: BERING F & E ERECTION COMP arry J. .an Partner Date: August 3', 1983 OWNER: CITY OF CORPUS CHRISTI BY: James K. Lontos, P.E. Assistant City Manager BY: Vance Davis • Project Superintendent Date: August 30, 1983 u• ga BAN ENGINEERING CORPUS CHRISTI. TEXAS P.O. BOX 6355, 2725 SWANTNER CORPUS CHRISTI, TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-48-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 11 PART A: NECESSITY OF THE CHANGE ORDER: Job No. 9254.30 This Change Order involves the addition of two valves to the existing- east xistingeast chlorine contact chambers sludge pump house, and the elimination of a cross connection on the suction piping outside the sludge pump house. These modifications will greatly increase the pumping flexibility of this pump house by allowing either sludge pump to pump down either or both ch'orine.contact chambers. _ t PART B: _DESCRIPTION OF THE WORK: On the existing suction piping of each sludge pump, a 6" gate valve with a make-up coupling will be installed. On the existing suction piping just outside the pump house, a buried 10" cross connection line will be • uncovered, cut and capped with 10" mechanical joint caps. Concrete thrust will then be installed for the 10" caps. PART C: COST BREAKDOWN: I. -Materials: a. 6" Gate Valve 2 Valves @ $197.68/Each = $ 395.36 b. 6" Coupling 3 Couplings 0 $41.42/Each = $ 124.26 c. 6" Bolt & Gasket Set 10 Sets @ $7.00/Each = $ 70.00 d. 10" M.J. Cap 2 Caps @ $50.09/Each = $ 100.18 ge Order No. 11 2 e. 3000 p.s.i. Concrete 0.5 Cubic Yards @ $50.75/C.Y. _ $ 25.38 MATERIAL SUB -TOTAL = $ 715_18 II. Labor; a. Foreman 30 Hours @ $11.50/Hr. b. Operator 4.5 Hours @ $8.00/Hr. c. Pipefitter 49 Hours @ $9.20/Hr. d. Ironworker 10 Hours @ $6.00/Hr. e. Laborer 5.5 Hours @ $4.6O/Hr. LABOR SUB -TOTAL III. Equipment = $ 345.00 _ $ 36.00 $ 450.80 = $ 60.00 $ 25_30 917.10 680 Backhoe 4.5 Hours @ $18.18/Hr. = $ 81.81 EQUIPMENT SUB -TOTAL = $ 81.81 SUB -TOTAL $ 1,714.09 Payroll Taxes & Insurance @.22% of $917.10 = $ 2OI.76 SUB -TOTAL = _ $ 1,915.85 Profit @ 15% CHANGE ORDER #11 TOTAL $ 287.38 $ 2,203.23 THE ORIGINAL CONTRACT SUM WAS $ 6,685,759_00 THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS $ 245,956.24 THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS $ 6,931,715_24 THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER $ 2,203.23 THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER $ 6,933,918_47 THE ORIGINAL COMPLETION TIME WAS _ 500 Working Days THE NET CHANGE BY PREVIOUS CHANGE ORDERS -0- Change.Order No. I1 Page 3 THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS 500 Working Days THE COMPLETION TINE WILL BE INCREASED BY THIS CHANGE ORDER THE CONTRACT COMPLETION TIME INCLUDING THIS CHANGE ORDER 500 Working Days EN<INEE' CONTRACTOR: UR:•N ENG VEERING F & E ERECTION BY: •rr JBY: Bobby D. Greaves Project Engineer Date: Larry J T ban, P.E. Partner August 31, 1983 OWNER: CITY OF CORPUS CHRISTI BY: Date: James K. Lontos, P.E. Assistant City Manager Date: August 3I, 1983 P.O. BOX 6355, 2725 SWANTNER CORPUS CHRISTI, TEXAS 78411 PHONE 854-3101 Pollution Control Project No. W.P.C.-TEX-1214 E.P.A. Step 3 Grant No. C-46-1214 Improvements to the Oso Wastewater Treatment Plant Corpus Christi, Texas Contract No. 5, Treatment Plant Expansion Second Phase of Plant Construction CHANGE ORDER NO. 15 PART A: NECESSITY OF THE CHANGE ORDER: Job No. 9254.30 This Change Order involves demolition of existing concrete structures and removal of miscellaneous existing above ground piping, as requested by the City of Corpus Christi. The original contract required simply that these concrete structures and piping be abandoned. PART B: DESCRIPTION OF THE WORK: __The work involving this Change Order will include demolition to 2' below existing grade of the following concrete structures: 1. Parshall Flume; Coordinates 54+41N and 106+405 *2. Parshall Flume; Coordinates 55+27N and 106+35E *3. Parshall Flume; Coordinates 56+07N and 106+35E *4. Parshall Flume; Coordinates 57+07N and 106+31E 5. Diversion Box; Coordinates 54+93N and 105+52E 6. Diversion Box; Coordinates 56+54N and 105+52E 7. Diversion Box; Coordinates 57+74N and 106+43E 8. Gatewell; Coordinates 54+93N and 106+28E 9. Gatewell; Coordinates 56+54N and 106+28E Exb. ' Page 2 10. Gatewell; Coordinates . 57+398 and 105+46E 11. Flow Meter Box; Coordinates 54+92N and 105+44E 12. Flow Meter Box; Coordinates 55+038 and 105+52E 13. Flow Meter Box; Coordinates 56+40N and 105+52E 14. Flow Meter Box; Coordinates 56+548 and 105+39E 15. Flow Meter Box; Coordinates 54+848 and 106+288 *One of the parshall flumes will be completely demolished to 2' below existing grade. Concerning the remaining three parshall flumes noted by the asterisk above, only 80% of these flumes will be demolished below grade because of an existing live 48" D.I.F. The flowline of the 48" D.I.P. will not allow for below grade demolition. Therefore, a reinforced concrete wall will be constructed, forming a new junction box at the east end of the flumes. Finally, a reinforced concrete slab will be poured over each of the three new junction boxes. Additional work involving this Change Order will include removal of miscellaneous existing above ground piping on the east side of Pre - Thickeners #1 and #2. PART C: COST. BREAKDOWN: Materials a. Grout 8 Cubic Feet @ $3.00/C.F. _ $ 24.00 b. Plywood 1 Sheet @ $14.72/Sheet = $ 14.72 c. 2 x 6 Boards 20 Board Feet @ $0.37/B.F. _ $ 7.40 d. Reinforcing Steel 209 Pounds 0 $0.20/LB. = $ 41.80 e. 3000 p.s.i. Concrete 13 Cubic Yards 0 $50.75/C.Y. = $ 659.75 f. Sand 70 Tons @ $5.00/Ton = $ 350.00 MATERIAL SUB -TOTAL = $ 1,097.67 II. Labor a. Foreman 94 Hours @ $11.50/Hr. _ $ 2,081.00 Change Order No. 15 Page 3 b. Operators 158 Hours @ $8.00/Hr. = $ 1,264.00 c. Finishers 10 Hours @ $6.50/Hr. d. Ironworker 11 Hours @ $6.00/Hr. e. Carpenter 4 Hours @ $6.00/Hr. = $ 65.00 $ 66.00 $ 24.00 f. Laborers 226 Hours @ $4.60/Hr. = $ 1,039.60 LABOR SUB -TOTAL = $ 3,539.60 III. Equipment a. 680 Backhoe w/Hoe Ram 134 Hours @ $24.43/Hr. = $ 3,273.62 b. Front End Loader 24 Hours @ $21.93/Hr. c. Air Compressor w/Tools - 16 Hours @ $6.68/Hr. t, IV. Subcontract = $ 526.32 _ $ 106.88 EQUIPMENT SUB -TOTAL = $ 3,906.82 Rental Dump Truck 16 Hours @ $25.00/Hr. = $ 400.00 SUBCONTRACT SUB -TOTAL SUB -TOTAL $ 8,944.09 Payroll Taxes 6 Insurance @ 22% of $3,539.60 = $ 778.71 = $ 400.00 SUB -TOTAL Profit @ 15% CHANGE ORDER 015 TOTAL = $ 9,722.80 $ 1,458.42 $ 11,I81.22 THE ORIGINAL CONTRACT SUM WAS $ 6,685,759.00 THE MAXIMUM NET CHANGE BY PREVIOUS CHANGE ORDERS $ 264,850.30 THE MAXIMUM CONTRACT SUM PRIOR TO THIS CHANGE ORDER WAS $ 6,950,609.30 THE CONTRACT AMOUNT WILL BE INCREASED BY THIS CHANGE ORDER $ 11,181.22 Change Order No. 15 ?age 4 THE NEW CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER THE ORIGINAL COMPLETION TIME WAS • THE NET CHANGE BY PREVIOUS CHANGE ORDERS THE COMPLETION TIME PRIOR TO THIS CHANGE ORDER WAS THE COMPLETION TIME WILL BE INCREASED BY THIS CHANGE ORDER THE CON RACT COMPLETION TIME INCLUDING THIS CHANGE ORDER ENG URBA ENGINE RING BY: L J. Urb n Partner CONTRACTOR: 6,961,790.52 500 Working Days 500 Working Days 500 Working Days F & E ERECTION COMPANY BY: BobbyGD. Greaves . Project Superintendent Date: September 6, 1983 Date: September 6, 1983 OWNER:---77-7 CITY OF CORPUS CHRISTI BY: James K. Lantos, P.E. Assistant City Manager Date: CITY OF CORPUS CRPISTI, TEXAS CERTIFICATION OF FUNDS (City Charter Article IV Section 21) October 4, 1983 I certify to the City Council that $ 133,087.06 , the amount required for the contract, agreement, obligation or expenditures contemplated in the above and foregoing ordinance is in the Treasury of the City of Corpus Christi to the credit of: Rand No. and Name No. 250 Sanitary Sewer Bond Fund Project No. 250-77-27 Project Name Oso Wastewater Treatment Plant Contract 5 from which it is proposed to be drawn, and such money is not appropriated for any other purpose. FIN 2-55 Revised 7/31/69 / , 19 D rectorinan�� t. Corpu�'s',,--Christi, Texas /2. day of�Cr21. Gal-/ , 1983 TO THE MEMBERS OF THE CITY COUNCIL Corpus Christi, Texas For the reasons set forth in the emergency clause of the foregoing ordinance or resolution, an emergency exists requiring suspension of the Charter rule as to consideration and voting upon ordinances or resolutions at three regular meetings; I/we, therefore, request that you suspend said Charter rule and pass this ordinance or resolution finally on the date it is introduced, or at the present meeting of the City Council. Respectfully, Respectfully, s Council Members MAYQRPrn.iem t THE CITY OF CORPUS CHRISTI, TEXAS The above ordinance was passed Luther Jones Betty N. Turner David Berlanga, Sr. Leo Guerrero Herbert L. Hawkins, Jr. Dr. Charles W. Kennedy Joe McComb Frank Mendez Mary Pat Slavik the following vote: