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Home My WebLink About18319 ORD - 07/03/1984AN ORDINANCE APPROVING CHANGE ORDER NOS. 27, 28, AND 29 TO THE CONTRACT WITH F & E ERECTION COMPANY FOR THE OSO WASTEWATER TREATMENT PLANT CONTRACT NO. 5 WHICH PROVIDES FOR REPLACEMENT OF AIR EXCHANGE VENTS ON LIFT STATION NO. 2, REMOVAL OF CONCRETE PLUG IN SEWER LINE, PAVING, SLAB WORK, POTABLE WATER LINE FOR LIFT STATION NO. 1, HANDRAILS, PIPING, CONTROL TIMERS, MOTOR REPAIRS, AND PIPING REPLACEMENT AND SITE WORK NECESSARY FOR INSTALLATION OF CLARIFIER BRIDGES; APPROPRIATING $131;003.03; AND DECLARING AN EMERGENCY. BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF CORPUS CHRISTI, TEXAS: SECTION 1. That there is hereby approved Change Order Nos. 27, 28, and 29 to the contract with F & E Erection Company for the Oso Wastewater Treatment Plant Contract No. 5 providing for replacement of air exchange vents on Lift Station No. 2, removal of concrete plug in sewer line, paving, slab work, potable water line for Lift Station No. 1, handrails, piping, control timers, motor repairs, and piping replacement and site work necessary for installation of clarifier bridges, all as more fully set forth in the change orders, substantial copies of which are attached hereto and made a part hereof, marked Exhibits "A", "8", and "C". SECTION 2. That there is hereby appropriated $131,003.03 from the No. 250 Sanitary Sewer Bond Fund. 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 3rd day of July, 1984. ATTEST: Cit Secretary APPROVED: ( DAY OF JULY, 1984 J. BRUCE AYCOCK, CITY ATTORNEY MAYO THE CITY OF CORPUS CHRISTI, TEXAS - 01319 MICROFILMED SEP 2 81984 U IMAM 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. 27 PART A: NECESSITY OF THE CHANGE ORDER: Job No. 9254.30 This Change Order involves the replacement of Air Exchange Vents, located on the roof of Lift Station #2, as requested by the City of Corpus Christi. The original Contract called for reusing the existing air vents. Since the design phase of Oso Contract #5 to the present stage of construction, the air vents have deteriorated to such a 'degree that replacement is required for protection to electrical switchgear in the lift station. PART B: COST BREAKDOWN: I. Materials a.' New Fiberglass Air Exchange Vents 2 Vents @ $4,240.50/Each = $ 8,481.00 MATERIAL SUB -TOTAL: II. Labor a. Foreman 16 Hours @ $I3.75/Hr. _ $ 8,481.00 _ $ 220.00 b. Ironworkers 40 Hours @ $6.50/Hr. _ $ 260.00 c. Operator 16 Hours @ $8.00/Hr. = $ 128.00 7e Order No. 27 C 2 d. Laborers 32 Hours @ $4.60/Hr. = $ 147.20 LABOR SUB -TOTAL: _ $ 755.20 III. Equipment a. 25 Ton Crane 12 Hours @ $30.15/Hr. b. Flatbed Truck 2 Hours @ $6.59/Hr. = $ 361.80 = $ 13.18 EQUIPMENT SUB -TOTAL: _ $ 374.98 SUB -TOTAL: _ $ 9,611.18 Payroll Taxes & Insurance @ 22% of $755.20 = $ 166.14 SUB -TOTAL: Overhead & Profit @ 15% CHANGE ORDER #27 TOTAL: = $ 9,777.32 $ 1,466.60 $11,243.92 THE ORIGINAL CONTRACT 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 $6,685,759.00 $ 842,069.04 $7,527,828.04 $ 11,243.92 $7,539,071.96 500 Working Days 160 Working Days 660 Working Days 660 Working Days Ie Order No. 27 3 EN URB ENGINE:RING BY: La r J. UrP.E. Partner Date: CONTRACTOR: F & E ERECTION COMPANY BY: Bobby X Greaves Project Superintendent 4- .5- O4 Date: T -,-g4 OWNER: CITY OF CORPUS CHRISTI BY: James K. Lontos, P.E. Assistant City Manager Date: URBAN 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. 28 Job No. 9254.30 This Change Order involves two separate work items, and should be considered as follows: - Item #1 - Replacement of existing air piping with new air piping. Item #2 - Miscellaneous work items as explained in Part A. PART A: NECESSITY OF THE CHANGE ORDER: Item #1 --Replacement of Existing Air Piping This item involves the replacement of existing 16" and 12" ductile iron air piping with new ductile iron pipe between Blower House #5 and a new tie-in to air piping to the new Bar Screen/Grit Removal Unit. The replacement is needed because of severe pipe deterioration and even collapse. The existing air piping that requires replacement is between 20 and 25 years old. Item #2 - Miscellaneous Work This item involves miscellaneous work items that are required as a result of requests by the City of Corpus Christi, directions from the Engineer, and in the field changes during construction. The miscellaneous work items are as follows: a. Removal of an existing concrete plug in the 24" storm sewer line east of Ennis Joslin Road. b. Additional paving at the plant office and control building parking lot. qe Order No. 23 2 c. Replacement of existing potable water lines with new water lines in Lift Station #1. d. Replacement of existing piping with new piping at the east end of the supernatant chamber. e. Increase valve size on the polymer supply line at the Sludge Dewatering Building. f, Installation of a 4" thick concrete slab at the Bar Screen/ Grit Removal Unit. g. Installation of concrete valley gutters at the Plant Office and Control Building. h. Increased the size and modified the lettering of the bronze plaque to be mounted in the plant office and control building. i. Added extentions to the discharge chutes of the belt filter presses in the sludge dewatering building. j. Modification of the post thickener piping for sludge recirculation. k. Additional motor repair for pump #2 in lift station #2, including shipping charges. 1. Additional control timers for pumps #1 and #2 in. lift station #1. m. Repair of an existing force main fitting with new T -Head bolts and thrustblocking. n. Installation of a new handrail for stairway in the west chlorine sludge pump house. o. Increased the size of chlorine line at the west chlorine building. p. Rerouting of the by-pass line for lift station #1. PART B: COST BREAKDOWN: Item #1 - Replacement of Existing Air Piping I. Materials: a. 16" Ductile Iron Pipe = $ 907.76 56 Feet @ $16.21/Ft. b. 12" Ductile Iron Pipe 90 Feet @ $12.00/Ft. _ $ 1,080.00 ge Order No. 28 3 . c. 12" Butterfly Valve 1 Valve @ $565.99/Each = $ 565.99 d. 18" Plugs 2 Plugs @ $176.65/Each = $ 353.30 e. 16" x 8" TEE 1 TEE @ $474.91/Each = $ 474.91 f. 16" x 12" TEE 1 TEE @ $494.74/Each = $ 494.74 g. 16" x 16" TEE 1 TEE @ $568.28/Each $ 568.28 h. 16" x 12" Reducer 1 Reducer @ $268.61/Each = $ - 268.61 i. 18" x 16" Reducer 1 Reducer @ $403.15/Each = $ 403.15 j. 12" x 12" TEE 1 TEE @ $289.76/Each = $ 289.76 k. 18" x 12" Reducer 1 Reducer @ $381.14/Each = $ 381.14 1. 12" Coupling 1 Coupling @ $102.00/Each 102.00 m. Valve Box Riser 1 Riser @ $75.80/Each = $ 75.80 n. 3000 p.s.i. Concrete 2 C.Y. @ $50.75/C.Y. = $ 101.50 MATERIAL SUB -TOTAL: = $ 6,066.94 II. Labor a. Foreman 64 Hours @ $13.75/Hr. = $ 880.00 b. Pipefitter 148 Hours @ $9.20/Hr. _ $ 1,361.60 c. Operator 48 Hours @ $8.00/Hr. = $ 384.00 d. Laborer 66 Hours @ $4.60/Hr. = $ 303.60 ge Order No. 28 4 LABOR SUB -TOTAL: = $ 2,929.20 III. Equipment a. 680 Case Backhoe 48 Hours @ $18.18/Hr. = $ 872.64 b. Dump Truck 6 Hours @ $6.59/Hr. Item 82 Miscellaneous Work = $ 39.54 EQUIPMENT SUB -TOTAL: _ $ 912.18 SUB -TOTAL = $ 9,908.32 Payroll Taxes s Insurance @ 22e of $2,929.20 = $ 644.42 SUB -TOTAL = $ 10,552.74 Profit @ 15% = $ 1,582.91 ITEM 81 TOTAL = $ 12,135.65 a. Removal of an existing concrete plug in the 24" storm sewer line east of Ennis Joslin Road. I. Materials a. 3,000 p.s.i. concrete 0.5 CY @ $50.75/CY II. Labor a. Foreman 3 Hours @ $11.50/Hr. b. Operator 4 Hours @ $8.00/Hr. c. Laborers (2) 8 Hours @ $4.60/Hr. III. Equipment a. 680 Backhoe 4 Hours @ $18.18/Hr. b. Air Compressor w/Tools 3 Hours @ $6.68/Hr. = $ 25.38 MATERIAL SUB -TOTAL = $ 25.38 = $ 34.50 = $ 32.00 = $ 36.80 LABOR SUB -TOTAL = $ 103.30 = $ 72.72 = $ 20.04 EQUIPMENT SUB -TOTAL = $ 92.76 ,ye Order No. 28 5 SUB -TOTAL = $ 221.44 Payroll Taxes & Insurance @ 22% of $103.30 = $ 22.73 SUB -TOTAL = $ 244.17 Profit @ 15% = $ 36.63 ITEM "a" TOTAL = $ 280.80 b. Additional paving at the plant office and control building parking lot. I. Materials a. Lime Stabilization 111 S.Y. @ $2.35/SY b. 6" Caliche Base 111 S.Y. @ $2.77/SY c. 1-1/2" Hot Mix Asphalt 111 S.Y. @ $4.06/SY d. 6" Curb & Gutter 26 Feet @ $8.00/Ft. II. Labor a. Surveyor 1 Hour @ $8.00/Hr. b. Rodman 1 Hour @ $4.60/Hr. = $ -260.85 = $ 307.47 = $ 450.66 = $ 208.00 MATERIALS SUB -TOTAL = $ 1,226:98 _ $ 8.00 _ $ 4.60 LABOR SUB -TOTAL = $ 12.60 SUB -TOTAL = $ 1,239.58 Payroll Taxes & Insurance @ 22% of $12.60 $ 2.77 SUB -TOTAL = $ 1,242.35 Profit @ 15% = $ 186.35 ITEM "b" TOTAL = $ 1,428.70 c. Replacement of existing potable water lines with new water lines in Lift Station 91. qe Order No. 28 6 I. Materials a. 1" Galvanized pipe w/fittings 1 Lump Sum @ $190.99/L.S. _ $ 190.99 II. Labor a. Foreman 8 Hours @ $11.50/Hr. MATERIAL SUB -TOTAL = $ 190.99 = $ 92.00 b. Plumber 16 Hours @ $9.70/Hr. = $ 155.20 c. Laborers (2) 32 Hours @ $5.18/Hr. = $ 165.76 LABOR SUB -TOTAL = $ 412.96 SUB -TOTAL = $ 603.95 Payroll Taxes & Insurance @ 22% of $412.96 = $ 90.85 SUB -TOTAL = $ 694.80 Profit @ 15% = $ 104.22 ITEM "c" TOTAL = $ 799.02 d. Replacement of existing piping with new piping at east end of the supernatant chamber. I. Materials a. 3,000 p.s.i. concrete 0.75 C.Y. @ $50.75/CY b. 6" Ductile iron pipe 10 Feet @ $5.38/Ft. c. 6" 90" Bend I Bend @ $67.64/Each d. Air Compressor w/Tools 2 Hours @ $6.68/Hr. = $ 38.06 = $ 53.80 _ $ 67.64 = $ 13.36 MATERIAL SUB -TOTAL = $ 172.86 ge Order No. 28 a 7 II. Labor a. Foreman 4 Hours @ $11.50/Hr. b. Laborers (2) 16 Hours @ $4.60/Hr. = $ 46.00 = $ 73.60 LABOR SUB -TOTAL = $ 119.60 SUB -TOTAL = $ 292.46 Payroll Taxes & Insurance _ @ 22% of $119.60 = $ 26.31 SUB -TOTAL $ 318.77 Profit @ 15% _ $ 47.81 ITEM "d" TOTAL $ 366.58 e. Increased valve size on the polymer supply line at the sludge dewatering building. I. Materials a. 3" Ball Valve 1 valve @ $73.80/Each II. Labor a. Pipefitter 2.5 Hours @ $9.20/Hr. = $ 73.80 MATERIAL SUB -TOTAL = $ 73.80 = $ 23.00 LABOR SUB -TOTAL = $ 23.00 SUB -TOTAL = $ 96.80 Payroll Taxes & Insurance @ 22% of $23.00 = $ 5.06 SUB -TOTAL = $ 101.86 Profit 0 15% = $ 15.28 ITEM "e" TOTAL = $ 117.14 ge Order No. 28 Page 8 f. Installation of a 4" thick concrete slab at the bar screen/ grit removal unit. I. Materials a. 3,000 p.s.i. Concrete 20 C.Y. @ $50.75/CY = $ 1,015.00 b. Reinforcing Steel 1,099 Lbs. @ $0.21/Lb. = $ 230.79 c. 2 x 8 Forming Boards 284 Board Feet @ $0.42/B.F. _ $ 119.28 d. 3" Steel Fasteners 75 Fasteners @ $0.75/Each = $ 56.25 II. Labor a. Foreman 31 Hours @ $11.50/Hr. b. Carpenters (2) 22 Hours @ $6.50/Hr. c. Laborers (2) 215 Hours @ $4.60/Hr. d. Ironworkers (2) 32 Hours @ $6.00/Hr. III. Equipment MATERIAL SUB -TOTAL = $ 1,421.32 = $ 356.50 _ $ 143.00 = $ 989.00 = $ 192.00 LABOR SUB -TOTAL = $ 1,680.50 a. 25 Ton Crane 4 Hours @ $30.15/Hr. = $ 120.60 EQUIPMENT SUB -TOTAL = $ 120.60 SUB -TOTAL = $ 3,222.42 Payroll Taxes & Insurance @ 22% of $1,680.50 = $ 369.71 SUB -TOTAL Profit @ 15% ITEM "f" TOTAL 3,592.13 = $ 538.82 = $ 4,130.95 lg= nr,vA, Nn 717 9 g. Installation of concrete valley gutters at the plant office and control building. I. Materials a. 3,000 p.s.i. Concrete 3.5 CY @ $50.75/CY = $ 177.62 b. 1/2" Expansion Joint Material 11 S.F. @ $0.48/SF -' = $ 5.28 c. 6 x 6 x 6 Welded Wire Fabric 240 S.F. @ $0.12/SF = $ 28.80 d. Concrete Curing Compound 2 Gallons @ $2.40/Gal. = $ 4.80 e. 2 x 4 Forming Boards 134 Board Feet @ $0.27/B.F. _ $ 36.18 f. Forming Nails 5 Pounds @ $0.50/Lb. = $ 2.50 MATERIAL SUB -TOTAL = $ 255.18 . II. Labor a. Foreman 8 Hours @ $13.75/Hr. = $ 110.00 b. Carpenters 8 Hours @ $6.00/Hr. c. Finishers 5 Hours @ $6.00/Hr. d. Laborers 12 Hours @ $4.60/Hr. = $ 48.00 = $ 30.00 = $ 55.20 LABOR SUB -TOTAL = $ 243.20 SUB -TOTAL = $ 498.38 Payroll Taxes & Insurance @ 22% of $243.20 = $ 53.50 SUB -TOTAL = $ 551.88 Profit @ 15% = $ 82.78 ITEM "g" TOTAL = $ 634.66 Ige Order No. 28 je 10 h. Increased the size and modified the lettering of the bronze plaque to be mounted in the plant office and control building I. Materials a. Bronze Plaque 1 Lump Sum @ $814.65 = $ 814.65 SUB -TOTAL = $ 814.65 Profit @ 15S = $ 122.20 ITEM "h" TOTAL = $ 936.85 i. Added extensions to the discharge chutes of the belt filter presses in the sludge dewatering building. I. Materials a. Discharge Chutes 2 Chutes @ $225.00/Each = $ 450.00 b. Miscellaneous Bolts, Nuts & Washers 1 Lump Sum @ $25.00/L.S. = $ 25.00 c. Miscellaneous Small Tools 1 Lump Sum @ $20.00/L.S. = $ 20.00 MATERIAL SUB -TOTAL = $ 495.00 II. Labor a. Foreman 8 Hours @ $13.75/Hr. _ $ 110.00 b. Journeyman (2) 16 Hours @ $8.50/Hr. = $ 136.00 LABOR SUB -TOTAL = $ 246.00 SUB -TOTAL = $ 741.00 Payroll Taxes & Insurance @ 22% of $246.00 = $ 54.12 Static Project Costs $6.09/Hr. @ 24 Hours = $ 146.16 SUB -TOTAL = $ 941.28 Profit @ 15% = $ 141.19 ge Order No. 28 11 SUB -TOTAL = $ 1,082.47 Overhead @ 7.6% = $ 82.27 ITEM "i" TOTAL = $ 1,164.74 j. Modification of the Post Thickener piping for sludge recirculation I. Material a. 6" x 6" x 6" TEE Fitting 2 Fittings @ $112.00/Each = $ 224.00 b. 8" x 8" x 6" TEE Fitting 2 Fittings @ $149.33/Each = $ 298.66 c. 6" Plug Valve 2 Valves @ $357.00/Each = $ 714.00 d. 6" x 2' - 0" Spool Piece 2 Spools @ $43.40/Each = $ 86.80 e. 6" x 2' - 8" Spool Piece 2 Spools @ $43.40/Each = $ 86.80 f. 6" x 6' - 0" Spool Piece 2 Spools @ $97.93/Each = $ 195.86 g. 6" x 1' - 11" Spool Piece 2 Spools @ $40.71/Each h. 6" 90° Bend 2 Bends @ $49.91/Each i. 6" Coupling 2 Couplings @ $42.63/Each j. 6" Gaskets 6 Gaskets @ $1.40/Each k. 8" Gaskets 4 Gaskets @ $1.59/Each 1. 6" Bolt & Gasket Set 8 Sets @ $8.00/Each _ $ 81.42 = $ 99.82 _ $ 85.26 _ $ 8.40 _ $ 6.36 = $ 64.00 m. 8" Pipe Supports 4 Supports @ $30.00/Each = $ 120.00 ge Order No. 28 12 n. Grout 1 Lump Sum @ $5.00/L.S. = $ 5.00 MATERIAL SUB -TOTAL = $ 2,076.38 II. Labor a. Foreman 48.5 Hours @ $13.75/Hr. = $ 666.88 b. Operator 3 Hours @ $9.00/Hr. = $ 27.00 c. Pipefitter - 123 Hours @ $11.93/Hr. = $ 1,467.39 d. Laborers (2) 16 Hours @ $6.50/Hr. - _ $ 104.00 e. Concrete Finishers 4 Hours @ $8.50/Hr. III. Equipment a. 680 Backhoe 3 Hours @ $18.18/Hr. b. Air Compressor w/Tools 8 Hours @ $6.68/Hr. IV. Subcontract Work = $ 34.00 LABOR SUB -TOTAL = $ 2,299.27 = $ 54.54 = $ 53.44 EQUIPMENT SUB -TOTAL = $ 107.98 a. Painting 1 Lump Sum @ $460.00/L.S. = $ 460.00 SUBCONTRACT SUB -TOTAL= $ 460.00 SUB -TOTAL = $ 4,943.63 Payroll Taxes & Insurance @ 22% of $2,299.27 = $ 505.84 Static Job Cost $6.90/Hr. x 196 Hours = $ 1,352.40 SUB -TOTAL = $ 6,801.87 Profit @ 15% = $ 1,020.28 3e Order No. 28 13 SUB -TOTAL = $ 7,822.15 Overhead @ 7.60 = $ 594.48 ITEM "j" TOTAL = $ 8,416.63 k. Additional motor repair for pump #2 in Lift Station #2, including shipping charge. I. Subcontract Work a. Motor Repair 1 Lump Sum 0 $316.25/L.S. = $ 316.25 b. Shipping Charge 1 Lump Sum 0 $200.00/L.S. = $ 200.00 SUBCONTRACT SUB -TOTAL= $ 516.25 ITEM "k" TOTAL = $ 516.25 1. Additional control timers for pumps #1 and #2 in Lift Station #1. I. Materials a. Timing Relays 2 Relays 0 $44.63/Each = $ 89.26 b. Mounting Bases 2 Bases 0 $4.68/Each = $ 9.36 MATERIAL SUB -TOTAL II. Labor _ $ 98.62 a. Superintendent 3 Hours @ $26.20/Hr. (Includes Payroll Taxes 6 Insurance) _ $ 78.60 LABOR SUB -TOTAL = $ 78.60 III. Subcontract Work (Electrical) a. Foreman 5 Hours @ $25.00/Hr. _ $ 125.00 b. Journeyman 1 Hour @ $12.50/Hr. = $ 12.50 SUBCONTRACT SUB -TOTAL= $ 137.50 SUB -TOTAL = $ 314.72 Ige Order No. 28 ,e 14 Profit @ 15% = $ 47.21 SUB -TOTAL = $ 361.93 Overhead @ 7.6% = $ 27.51 ITEM "1" TOTAL = $ 389.44 m. Repair of an existing force main fitting with new T -Head bolts and thrustblocking. I. Materials a. T -Head Bolts 40 Bolts @ $3.66/Each = $ 146.40 b. 3,000 psi Concrete 2 CY @ $48.75/CY II. Labor a. Foreman 6 Hours @ $13.75/Hr. b. Pipelayer 8 Hours @ $8.00/Hr. c. Carpenter 2 Hours @ $6.50/Fir. d. Finisher 4 Hours @ $6.50/Hr. = $ 97.50 MATERIAL SUB -TOTAL = $ 243.90 = $ 82.50 = $ 64.00 = $ 13.00 _ $ 26.00 e. Laborers 24 Hours @ $4.55/Hr. _ $ 109.20 III. Equipment a. 25 Ton Crane 1 Hour @ $30.15/Fir. LABOR SUB -TOTAL = $ 294.70 = $ 30.15 EQUIPMENT SUB -TOTAL = $ 30.15 SUB -TOTAL = $ 568.75 3e Order No. 28 15 Payroll Taxes & Insurance @ 22% of $294.70 = $ 64.83 SUB -TOTAL = $ 633.58 Profit @ 150 = $ 95.04 SUB -TOTAL = $ 728.62 Overhead @ 7.6% = $ 55.38 ITEM "m" TOTAL = $ 784.00 n. Installation of a new handrail for stairway in the West Chlorine Sludge Pump House I. Materials a. Handrail 1 Lump Sum @ $296.04/L.S. = $ 296.04 MATERIAL SUB -TOTAL = $ 296.04 II. Labor a. Foreman 4 Hours @ $13.75/Hr. 55.00 b. Ironworkers (2) 8 Hours @ $6.50/Hr. = $ 52.00 LABOR SUB -TOTAL = $ 107.00 SUB -TOTAL = $ 403.04 Payroll Taxes & Insurance @ 220 of $107.00 = $ 23.54 SUB -TOTAL = $ 426.58 Profit @ 15% = $ 63.99 SUB -TOTAL = $ 490.57 Overhead 9 7.6% _ $ 37.28 ITEM "n" TOTAL = $ 527.85 lge Older Nu. 26 16 o. Increased the size of chlorine line at the West Chlorine Building. I. New Material a. '4" P.V.C. Pipe (Sch. 40) 400 Feet @ $1.15 Ft. b. 4" P.V.C. Pipe (Sch. 80) 80 Feet @ $1.80/Ft. c. 4" P.V.C. TEE 2 TEES @ $11.50/Each d. 4" P.V.C. Plug 2 Plugs @ $9.33/Each e. 4" P.V.C. 90° Bend 6 Bends @ $11.25/Each f. 4" x 3" P.V.C. Reducer 1 Reducer @ $10.83/Each g. 4" P.V.C. Ball Valves 2 Valves @ $I32.96/Each h. 4" P.V.C. Flanges 2 Flanges @ $10.25/Each = $ 460.00 = $ 144.00 = $ 23.00 = $ 18.66 = $ 67.50 = $ 10.83 = $ 265.92 = $ 20.50 NEW MATERIAL SUB -TOTAL = $ 1,010.41 II. Previous Material (Credit to the Owner) a. 3" P.V.C. Pipe (Sch. 40) 400 Feet @ $0.98/Ft. _ $ 392.00 b. 3" P.V.C. Pipe (Sch. 80) 80 Feet @ $1.65/Ft. = $ 132.00 c. 3" PVC TEE 2 TEES @ $9.65/Each = $ 19.30 d. 3" PVC Plug 2 Plugs @ $4.98/Each = $ 9.96 e. 3" PVC 90° Bend 6 Bends @ $9.65/Each = $ 57.90 f. 3" PVC Ball Valves 2 Valves 0 $97.15/Each = $ 194.30 Ige Order No. 28 Page 17 9- 3" PVC Flanges 2 Flanges @ $8.67/Each = $ 17.34 Previous Material Sub -Total (Credit) _ $ 822.80 SUB -TOTAL = $ 187.61 Profit @ 15% = $ 28.14 SUB -TOTAL = $ 215.75 Overhead @ 7.6% = $ 16.40 ITEM "o" TOTAL = $ 232.15 P. Rerouting of the by-pass line for Lift Station #1. I. Material a. Welded Steel Pipe Rental 3 months x $2.25/Ft. x 140 Feet - _ $ 945.00 II. Labor a. Foreman 6 Hours @ $13.75/Hr. MATERIAL SUB -TOTAL = $ 945.00 = $ 82.50 b. Ironworkers (2) 24 Hours @ $10.50/Hr. _ $ 252.00 c. Ironworker Helper 8 Hours @ $8.50/Hr. d. Laborers (2) 16 Hours @ $5.00/Hr. = $ 68.00 = $ 80.00 LABOR SUB -TOTAL = $ 482.50 SUB -TOTAL = $ 1,427.50 Payroll Taxes & Insurance @ 22% of $482.50 _ $ 106.15 SUB -TOTAL = $ 1,533.65 Profit @ 15% SUB -TOTAL _ $ 230.05 = $ 1,763.70 ge Order No. 28 18 Overhead @ 7.6% = $ 134.04 ITEM "p" TOTAL = $ 1,897.74 COST BREAKDOWN SUMMARY Item #1 Total: ='$'12,135.65 Item #2 Totals: 2a. Removal of an existing concrete plug = $ 280.80 in the 24" storm sewer line east of Ennis Joslin Road. 2b. Additional paving at the plant office = $ 1,428.70 and control building parking lot. 2c. Replacement of existing potable water = $ 799.02 lines with new water lines in Lift Station #1. 2d. Replacement of existing piping with = $ 366.58 new piping at the east end of the -supernatant chamber. 2e. Increase valve size on the polymer = $ 117.14 supply line at the Sludge Dewatering Building. 2f. Insulation of a 4" thick concrete slab at the Bar Screen/Grit Removal Unit. = $ 4,130.95 2g. Installation of concrete valley = $ 634.66 gutters at the plant office and control building. 2h. Increased the size and modified the = $ 936.85 lettering of the bronze plague to be mounted in the plant office and control building. 2i. Added extentions to the discharge chutes of the belt filter presses in the sludge dewatering building. _ $ 1,164.74 2j. Modification of the post thickener = $ 8,416.63 piping for sludge recirculation. 2k. Additional motor repair for pump #2 in lift station #2, including shipping charges. = $ 516.25 ,ge Order No. 28 e 19 21. Additional control timers for pumps = $ 389.44 111 and #,2 in lift station n1. 2m. Repair of an existing force main fitting with new T -Head bolts and thrustblocking. 2n. Installation of a new handrail for stairway in the west chlorine sludge pump house. 2o. Increased the size of chlorine line at the west chlorine building. 2p. Rerouting of the by-pass line for lift station 111. ITEM #E2 TOTAL CHANGE ORDER 1/28 TOTAL = $ 784.00 $ 527.85 _ $ 232.15 _ $ 1,897.74 = $ 22,623.50 = $ 34,759.15 THE ORIGINAL CONTRACT 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 NEW 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 $6,685,759.00 $ 853,312.96 $7,539,071.96 $ 34,759.15 $7,573,831.11 500 Working Days 500 Working Days -0- 500 Working Days ge Order No. 28 ,a 20 ENGINEER: CONTRACTOR: URBAN ENGINEERING F & E ERECTION COMPANY BY: rvey Project Engineer Date: June 27, 198 OWNER: CITY OF CORPUS CHRISTI BY: Date: James K. Lontos, P.E. Assistant City Manager Bobby Greaves Proje"t Superintendent Date: June 27, 1984 U ;MAN 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. 29 PART A: NECESSITY OF THE CHANGE ORDER: Job No. 9254.30 This Change Order involves extra work that will be required for the proper installation and operation of the traveling bridge clarifier equipment. The equipment was supplied by the contractor for Contract $4, Permian/Republic, and stored at the Oso Wastewater Treatment Plant site, until such time as it becomes available for proper installation as part of Contract }i5. Due to an extended storage period, a variety of this equipments' components are suspect and require attention by the installing contractor, F & E Erection, in the form of cleaning, repairing, rebuilding, testing, or replacement, whichever is applicable to specific components. The extra work required by this Change Order must be performed prior to installation of the specific components needing attention. With the installation being a "step by step" process, consequently, the extra work must be performed in a similar manner. Only after components are removed from storage and inspected, can it be determined which components will require attention. PART B: COST OF THE CHANGE ORDER: / This change order will be administered as an "open ended" change order, .and the total dollar amount will not exceed $85,000 without prior approval of the Owner. The Contractor's daily time records for performing this extra work will be reviewed on a daily basis by the Engineer, and compensation to the Contractor for completed extra work will be processed through the Contractor's monthly pay estimate. Only those costs which have been reviewed and approved by the Engineer, will be allowed for inclusion into this change order. The installing Contractor will be required to provide cost breakdown documentation, satisfactory to the Engineer, prior to approval of extra work compensation. ige Order No. 29 2 ENGINEER: CONTRACTOR: URBAN ENGINEERING F & E ERECTION -COMPANY BY: �_� .ilialigI BY: i�'�l/�ry /.4 ��q/�-� des ary-y Bobb Greaves Project Engineer Project Superintendent Date: June 27, 1• Date: June 27, 1984 OWNER: CITY OF CORPUS CHRISTI BY: James K. Lontos, P.E. Assistant City Manager CITY OF CORPUS CHRISTI, TEXAS CERTIFICATION OF FUNDS (City Charter Article IV Section 21) July 3, 1984 I certify to the City Council that $131,003.03 , 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: Fund No. and Name No. 250 Sanitary Sewer Bond Fund Project No. 250-77-27 Project Nang Oso Plant Expansion. Contract 5 frnn which it is proposed to be drawn, and such money is not appropriated for any other purpose. FIN 2-55 • Revised 7/31/69 7-3 , 19QXy 'rector o nce� Corpus Christi, Tex and day of TO THE MEMBERS OF THE CITY COUNCIL Corpus Christi, Texas , 198`' 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, MAYO Council Members Or THE Y OF CORPUS CHRISTI, TEXAS The above ordinance was passed 'y the following vote: Luther Jones Betty N. Turner David Berlanga, Sr. Welder Brown Leo Guerrero Dr. Charles W. Kennedy Joe McComb Frank Mendez Mary Pat Slavik 1£319