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Home My WebLink About1988-1130923L AN ORDINANCE PROVIDING FOR THE EXPENDITURE OF FUNDS FOR EMERGENCY PURCHASES OF MATERIALS, EQUIPMENT, SUPPLIES OR SERVICES IN ACCORDANCING SUCH PURCHASES PROVISIONS WITH THE SFROM REQUIREMENTS OFCOMPET TIVE BIDS, OF STATE LAW E AND TPROVIDING FOR AN EFFECTIVE DATE WHEREAS, state law and ordinance require that certain contrare or amounts exceedingng an $10,000x be byucompetitivent by bids,the exceptyn an in the case of public calamity where it becomes necessary to act at once to appropriate money to relieve the necessity of the citizens, or to preserve the property of the city, or it is necessary to protect the public health of the citizens of the city, or in case of unforeseen damage to public property, machinery or equipment or, where, in certain limited exceptions, state law does not require such contracts or purchases be put to competitive bids, NOW, THEREFORE, THE COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS SECTION I That the City Council hereby determines that there s a pu lic calamity that makes it necessary to act at once to appropriate money to relieve the necessity of the citizens, or to preserve the property of the city, or to protect the public health of the citizens of the city, or to provide for unforseen damage to public property, machinery or equipment, and by reason thereof, the following emergency purchases of materials, equipment, supplies or services, as described in the "Purchase Orders" attached hereto, are hereby approved PURCHASE AMOUNT ORDER NUMBER VENDOR 84937 Arrow Industries 29,937 60 84943 Freese & Nichols 32,100 00 SECTION II That because of such emergency, the City Manager or des gnate employee is hereby authorized to purchase the materials, cse supplies rservices attached PurhaeOrdersand tomake payment therefore in the amounts therein stated, such emergency purchases being in accordance with the provisions of state law exempting such purchases by the City from the requirements of competitive bids SECTION III That this ordinance shall become effective imme ate y upon its passage and approval PASSED AND APPROVED this the 5th day of July, 1988 RAY B ENS, MAYOR ATTEST *jA*T-4RS �,C REE�TARY APPROVED AS TO LEGAL FORM DEBRA ADAMI DRAYOVITCH, CITY ATTORNEY BY —L PAGE TWO DATE July 5, 1988 CITY COUNCIL REPORT TO Mayor and Members of the City Council FROM Lloyd V Harrell, City Manager SUBJECT PURCHASE ORDER # 84937 - ARROW INDUSTRIES RECOfM1ENDATION We recommend this purchase order to Arrow Industries in the amount of $29,937 60 be approved SUMMARY This purchase order is for 7,128 rolls of refuse bags Our contract supplier has notified us that there is a shortage of resin for bag manufacture These bags meet our specifications and WiIj have the City of Denton identification printed on them The unit cost is $4 20 per Q1 This bags are available immediately and will give us enough to meet our needs until the market settles BACKGROUND Purchase Order #84937 PROGRAMS, DEPART14ENTS OR GROUPS AFFECTED. Warehouse and Residential Solid Waste Department FISCAL IMPACT Fiscal year 1987/88 budget Res fully sub ed Lloyd V Harrell City Manager Prepared by m�rya(J n J Marshall, C P M f i Me Purchasing Agent Approved game Jqhff 7 Marshall, C P M T) t j E Purchasing Agent O 0 w m 109 AA 30 ; 00 rr r nU m11 N CN (no m A c) N w 0 D r O Z m Z O 7J O D A N 0 0 r. m C m 0 C O 0 J 0 co 00 0 03 D Z m m 0 00> Z= Z JJ a NM rMZ� • r -5 7 n � xZ Cm0A -i J 0 ) m xODC D m Z- m J0A ,10 H w� r ^ g 151 CID 14 D rn y to'Jpn ZT< Q M -1 x7 G] Zm UP C004M roz r Z -1 a o zz mr39 A m L 0 In 0 0 N m ° 90 w m N p9Z 7 A 9 n co Z P o w O d DATE July 5, 1988 CITY COUNCIL REPORT TO Mayor and Members of the City Council FROM Lloyd V Harrell, City Manager SUBJECT PURCHASE ORDER # 84943 FREESE & NICHOLS $32,100 00 EXTRA CONTRACTURAL SERVICES RECOIRIENDATION We recommend this purchase order be approved for the extra contracturai serVices agreed to in the contract to Freese & Nichols Consulting Engineers and as approved by City Council on February 16, 1988 SUMMARY Most professional contracts unclude some items that cannot be indetified as to a near estimated amount until the project is in progress This purchase order is to cover some of these items with an estimated cost of $32,100 00 We may pay some of the costs directly to the professional and some may be aped through Freese and Nichols The professionals that are employed and paid by or through Freese and Nichols will have a 10% handling fee payable to the counsulting engineer The prices shown are reliable estimates but the cost could be more or less according to the work required Freese and Nichols has estimated the total amount not to exceed $35,000 00 BACKGROUND Memorandum from Freese & Nichols Memorandum from Dave Ham and Renee Baker Copy of Purchase Order #84943 PROGRAMS, DEPART14ENTS OR GROUPS. AFFECTED The payment and continued development of the Lake Ray Roberts Water Treatment Plant, as contracted with our professional consultants Freese & leis IMPACT There is no additional impact on the general fund Respect ully submitted Llo V Harrell City Manager Prepared by �e Jo ars �1-'P re Purchasing Agent Approved Name Jofin' J Marshall, C P M Title, Purchasing Agent Freese AND Nichols INC CONSULTING ENGINEERS May 25, 1988 Mr Dave Ham, P E Director Water/Wastewater Utilities City of Denton 901 A Texas Avenue Denton, Texas 76201 Dear Mr Ham SIMON W FREESE P E IAMESR NICHOLS PE ROBERT L NICHOLS P L LEE B FREESE P E ROBERTS GOOCH P E JOE PAUL JONES PE ROBERT A THOMPSON III P E JOHN H COOK P E T ANTHONY REID P E GARY N REEVES P E ROBERT F PENCE P E JOE8 MAPES PE W ERNEST CLEMENT PE TERRY L FUMING P E A LEE HEAD III P E RONNIE M LEMONS P E MICHAEL G MORRISON P E LEO A DOTSON P E DAVID R GATTIS JOHN L JONES P E THOMASC GOOCH PE GARRY H GREGORY PE MICHAEL L NICHOLS P E R NEIL PRUITT A IA Re Additional Services Lake Ray Roberts Water Treatment Plant and Off -Site Facilities As you know, Freese and Nichols estimated that a budget of approximately $65,000 should be considered for additional services on the above referenced project These funds were to be used as necessary for such items as surveying, water quality testing and additional meetings beyond those required in basic services The City has requested that we refine our additional services budget now that we are underway on the assignment At the present time we estimate fees for additional services would be as follows Off -site facilities A Surveying and easements B Additional meetings with the Public and City Boards Subtotal II Lake Ray Roberts Water Treatment Plant A Topographic Surveys B Water Quality Testing Subtotal TOTAL - $ 4,400 2,500 $ 6,900 $ 8,600 16,600 $25,200 $32,100 TELEPHONE 817 336-7161 811 LAMAR STREET FORT WORTH TEXAS 76102 3683 TELECOPIER 817 336.7161 EXT 299 METRO 817 429-1900 Mr Dave Ham, P E May 25, 1988 Page 2 Attached please find a proposal from James M Mont3omery for Iterrt IIB and a letter from Coleman and Associates for Item IIA It would be desirable to budget slightly more than $32,100 It is ray recommendation that the City establish a budget of not -to -exceed $35,000 for additional services We will advise the City it appears that additional funding would be necessary on this project If this proposal is acceptable to the City, please authorize us to proceed by signing the extra copy (enclosed) Thank you for your assistance with this matter Accepted (Name) e JHC pka 03 attachments Very truly yours, FRE SE AND�NIICHOLS, INC J n H Cook, P E V ce President SCOPE OF WORK in FOR ADDITIONAL SERVICES PRELIMINARYWATER TREATMENT PLANT OF ENTON LANT James a owing additional services Consulting dernghe erormsc and conditions proposes of tha origirform nal agreement. INTRODUCTION with the nt Of As l result H JMM hairy evaluationsand and Cty of Dentone(Cltpedesires fr use Health (TDery additional services be conducted to aid In developing the treatment processes or use In the Lake Ray Roberts Water Treatment Plant These additional services have two components The first component Is raw water quality analysis of Lake Ray Roberts to be performed by Montgomery Laboratories (a subsidiary company of JMM) The second component is bench -scale tests related to development of pretreatment process design criteria COMPONENT 1 - WATER QUALITY SAMPLING AND ANALYSIS 19Rc A compounds 86baseline of these regulated monitorin Montgomery Laboratories will suppilIlyyll1 sam le bottles and instructions to the City at a Roberts water address the darn andtwwiill'ship them to representative aboratory n Pasl ade a Analyses Of Lake es will be conducted on the orgganic compounds outlined in the next paragraph, d the he results will be reported to jMM project staff and toggCit staff JMM will su p y City with a letter report port summarzing andsses evaluating g ttht results The results will aid In developing The comppoounds to be Laboratories will provide during the first stop analyzed are listed in Attachment A Montgomery analytical services for the following analytes from this list C TOC a (unregulated vo atiles)lus Gst o Aldicarbs o Organochlorines 0 Triazines o T Hp in rmrvej potential o HNAs o Carbamates o Herbicides The City laboratory will perform the other listed analyses for the inorgamws, physical parameters, etc For Steps 2 and 3, Montgomery Laboratories will perform analyses for TOC and THMPP (1-point) once each month for five months (through December) under this agreement The City will provide sampling and analytical services for these monitoring efforts In the same capacity as described above Acontingency for one additional organics Is detectable Included quantitfesspecific compound the of budget sthere are problems with fni ial results COMPONENT 2 - BENCH -SCALE TESTS Bench scale tests will be conducted as preliminary treatability studies to evaluate and establish realistic design criteria for pretreatmentadd cessess (flocculation mentaand sedimentation) These tests are necessary o tion requirements when exceptions to the design criteria for complete, conventional treatment are proposed From early project meetings, It appears that the primary area of exception desired by the ety Is to the combined detention time of flocculation and sedimentation To evaluate these processes on a bench scale requires Jar tests for coagulant directed towaat rds selection tiof the most effend floe settling t) evcoagulants evaluation eloferncghsulfate Watumill e cationic polymers) coagulant and ant determination theaopimumtimum do ages, the for effects thesecoagulants different velocity gradienthe ts measurod as 0) and flocculation times will be evaluted From these tests, an optimum combination of mixing Intensity and flocculation time will be determined Fallowing these tests, the results will ppbe utilized to perform floc settling the�full-it scalemsedim sedimentation basin Thisurements value, luThe resul is srofromortional to the these test twillcindicatloading the ability of this water to be treated at lower surface loadings than required by the TDHThe City facilities t the iatreatment plant required conduct these tests since jar apparatus and monitoringitoringequipment llbe availableJMM staff will set up and conduct the tests with assistance from City staff as necessary to facilitate progress At completion of the teats, JMM will provide a summary report and design of treatment processes fore results and ttthetLakecRayns of those Roberts plant results on the selection DELIVERABLES The following output will be prodded in accordance with thi4 agreement (a) Reports of sample analyses for the compounds analyzed by Montgomery Laboratories all data clected on Lake (b) bLetter oth Montgomery Labors on s and the Ray Roberts (from City Laboratory) (c) Summary Report of Bench Scale Studies - 10 copies CITY -FURNISHED SERVICES The CITY will furnish labor for conducting the sampling of Lake Ray Roberts water and for preparation of the samples for shipping to California The City's laboratory will also need to perform those analyses not being performed by Montgomery Laboratories as noted above JMM will also require use of facilities for conducting the jar tests probably at the existing water treatment plant where ad We Jar testing and monitoring equipment Is located, The City will also be responsible for collecting the water used in the jar tests with assistance of JMM personnel and for supplying chemicals used In the teats FREEM AND NICHOLS•FURNISHED SERVICES Preese and Nichols will provide technical review and will facilitate project communcation FEES AND CONDITIONS A fee of $15,100 is estimated for completion of the above scope of work, This fee tests deThee coosts are based on the some terms asd theapresentt agreement for the bench ATTACHMENT A LAKE RAY ROBERTS SAMPLING PROGRAM baselineOnthe Safe Drinking Water oAct regulated r the following to gain an overall Microbiolo Ig cal/Turbi� Ivor snits Collforms-Total Metals Coliforms-Fecal Nitrate Turbidity Fluoride General Ph- ysical Color Odor H Temperature Langelier index AlkTalliinnity Organics TOC THM Formation Potential (6-point curve) S VOCs with MCLS plus List I (34 compounds) 13NA compounds Aldicarb compounds Orgenochlorine Herbicides sticides Carbamates Triazines Step Two, One month from the first sampling, conduct the following tests Microbiological/TurbiditY conforms -Total Coliforms-Fecal Turbidity Color Odor H Temperature Alkalinity lnor ants Nitrate (Any others that appeared in the first samp ing in significant amounts) Organics TOC THM Formation Potential (]-point) (Any others that appeared in the first sampling in significant amounts) Step Three Once a month sampling of the same parameters in Step Two except eliminate THM Formation Potential if the variation between the first two is not great. COLEMAN S ASSOC. SURVEYING 412 S CARROLL BLVD • P O BOX 686 0 DENTON, TEXAS 76202-M • (817) 566-8215 May 12, 1988 Freese and Nichols, Inc Mr Coy Veach 811 Lamar St Fort Worth, Texas 76102 Re Surveying Services Denton Water Project Dear Mr Veach At your request we have compiled some information concerning the above - referenced project Comparing this project to other, similar projects we have knowledge of in this area, we submit the following surveying cost estimates MAIN PUMP STATION SITE PRE -DESIGN TOPO Field surveying for topographical information sufficient to develop 1 (one) foot contours with detail of easements, etc Note reduc- tion, plotting, and drafting to prepare detailed map of 76 acre Main Pump Station site Approximate Coat $7500 It has been our experience that a FEE ESTIMATE with a well-defined scope - of -project is the most equitable method of billing You would be invoiced regularly for work -to -date at an hourly rate This arrangement allows greater flexibility of both scope and scheduling during the course of the project I trust this information will be of some value to you Keep in mind that these are only general estimates based on some similar projects If you have any questions or require additional information, please don't hesitate to call as Respectfully, eeespecctfully, Wm M Coleman, R P S Coleman and Associates Surveying wmc/enclosures 88072/JD12 M �Unv�Y�n� I 4,o,` i l` . CITY of DBNTON, TEXAS 215 E WKINNEY / DENTON, TEXAS 76201 / TELEPHONE (817) 566 8200 MEMORANDUM TO: John Marshall, Purchasing Agent FROM C David Ham, P E Director of Water/Wastewater Utilities DATE June 24, 1988 SUBJECT Additional Services - Lake Ray Roberts Water Treatment Plant and Off -site Facilities Please include the following information in agenda item for New Water Treatment Plant and Off -site Facilities Additional Services Freese & Nichols has now completed their preliminary review of Lake Ray Roberts Water Treatment Plant and Off -site Facilities As indicated in their attached letter dated May 25, 1988, additional services are now required that were not included in the basic services portion of the original contract The additional services include surveying of construction sites, additional meetings and water quality testing that could not have been accurately estimated in the preliminary review stage These services are more clearly defined as follows 1 Because pro3ect sites have now been determined, accurate estimates can now be obtained for surveying 2 Additional public meetings are needed now that the project scope is more clearly defined 3 Under basic services in the original water treatment plant contract, dated February 16, 1988, Lake Ray Roberts water was sampled and analyzed The initial analysis revealed additional water quality testing needs to be performed in order to meet the Safe Drinking Water Act Amendments of 1986 RB vw 1RC062488015 CITY of DENTON, TEXAS 215 E MCKINNEY / DENTON TEXAS 76201 / TELEPHONE (817) 566 8200 MEMORANDUM TO John Marshall, Purchasing Agent FROM Renee Baker, Civil Engineer DATE June 20, 1988 SUBJECT Lake Ray Roberts WTP and Off -site Facilities Additional Services Lake Ray Roberts WTP 1 Original contract between City of Denton and Freese and Nichols, Inc , dated February 16, 1988 2 Additional Services required a Topographic Surveys $ 8,600 b Water Quality Testing 16,600 Sub -Total $ 25,200 Lake Ray Roberts Off -site Facilities 1 Original contract between City of Denton and Freese and Nichols, Inc , dated February 16, 1988 2 Additional Services required a Surveying and Easements $ 4,400 b Additional Meetings 2,500 Sub -Total $ 6,900 Total $ 32,100 Please refer to the attached letter from Freese and Nichols, Inc , dated May 25, 1988, regarding these services These fees are approximate and should not exceed $35,000 RB vw 1RC062088014 901-BTEXAS STREET P 0 NUMBER 84943 7 VENDOR F1EES= & NirHOLS INC 811 LAMAR ST FJRT WORTH,TX 76102 CITY OF DENTON, TEXAS PURCHASE ORDER DENTON, TX 76201 DATEIVENDOR NO DOCUMENT 06/28/83 SIR FRE45500 8HIPTO UTILITY ADMINISTRATION 215 a MCKINNFY STRFF_T DENTON• TEXAS 76201 TYF S ITEM ACCOUNTNUMBER UNITS NUMBER DESCRIPTION BID NO LINEAMOUN )1 61J3 038 0460 8553 1 LT90629 LAKE RAY ROBERTS OFF- 6,90000L C2 623 COO 0460 8553 SITE FACILITIES: SURVEYING. )3 623 008 0460 8553 EASEMFNTS• Mr-FTINGS )4 629 028 0460 8553 1 LT 90629 LAKE RAY ROBFRTS WTP 8.60c,00 35 673 008 0460 8553 TOPOGRAPHIC SURVEYS )6 6?9 008 0460 8554 1 LT 90629 LAKF RAY POBERTS WTP 16s600.00 OT 623 008 0460 8554 WATER QUALITY TESTING The City of Denton Texas Is tax exempt -House Bill No 20 Tn TAi FnP P- n. 32. t 0 3.01 Reference P O Number on all B/L, Shipments and Invoices Shipments are F O S City of Denton, or" Indicated By Send Invoices TO City of Denton, Accounts Payable 215 E McKinney St, Denton, TX 76201 (or as indicated on Purchase Order) Direct Inquiries TO John J Marshall, C P M Purchasing Agent Tom D Shaw, C P M Aest Purchasing Agent 817I666-8311 DIFW Metro 267-0042 The City of Denton Is an equal opportunity employer C/TY o/ DSNTON, TE"S 215 E McKINNEY / DENTON TEXAS 76201 / TELEPHONE (817) 588.8200 MEMORANDUM TO R E Nelson, Executive Director, Department of Utilities FROM C David Ham, Director, Water/Wastewater Utilities DATE June 30, 1988 SUBJ Additional Engineering Services - Lk Ray Roberts Water Plant When the basic engineering contract for services with Freese and Nichols, Inc was approved by City Council on February 16, 1988, the new water plant and booster pump sites had not been firmly located nor had the quality of Lake Ray Roberts raw water been firmly established with regards to new Environmental Protection Agency and Texas Depart- ment of Health regulations Freese $ Nichols, Inc had mentioned to the Utilities Staff that additional services in the amount of $ 68,000 might be required after these sites were firmly located for topographic surveys, planning and zoning, City Council briefings and additional water quality testing The utilities staff considered waiting to request these additional services until the sites were firmly established and after a meeting in Austin with the Texas Department of Health Freese & Nichols has reduced their original estimate to $ 32,100 with a maximum not to exceed $ 35,000 It is paramount that the City Council approve these additional services for the project to proceed forward CDH/da cc Lloyd Harrell, City Manager 3DH063088008