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Ordinance No. 12,127 ORDINANCE NO, 12,127 AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF BAYTOWN, TEXAS, AUTHORIZING CHANCE ORDER NO. 5 WITH LEM CONSTRUCTION COMPANY, INC., FOR THE WEST DISTRICT 'WASTEWATER TREATMENT PLANT EXPANSION PROJECT;AUTHORIZING PAYMENT BY THE CITY OF BAYTOWN, IN THE AMOUNT OF SIX HUNDRED THIRTY-TWO THOUSAND SIX 'HUNDRED SIXTY-TFIREE AND 64/100 DOLLARS ($632,663.64) AND PROVIDING FOR THE EFFECTIVE DATE THEREOF. BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF BAYTOWN,TEXAS: Section l: That the City Council does hereby authorize Change Order No. 5 with LEM Construction Company, Inc.. for the West District 11'astewater Treatment Plant Expansion Project. A copy of said change order is attached hereto,marked I Exhibli "A"and made a part hereof for all intents and purposes. Section 2: That the City Council of the City of Baytown hereby authorizes the payment in the amount of SIX HUNDRED TI IIRTY-TWO THOUSAND SIX HUNDRED SIXTY-11IREE AND 64I100 DOLLARS($632,663.64)to LEM Construction Company,Inc.,for Change Order No. 5 for the West District Wastewater"Treatment Plant Expansion Project. Section 3: This ordinance shall take efiicct immediately from and after its passage by the City Council of the City of Baytovv n. INTRODUCED, READ and PASSED by the affirmative vote of t e City Council of the Cite of Baytown this the 13`'day of December, 2012. STE 1EN NCARLOS, Mayor r r LE l txyS 11. + APPROVED A FORM: 4N�ACIO RAMIRIE/,�SRC�ity ornev R'IKarcwfitusC:ilyCout)cll'.Otd1nances'•2012'.[)ccc bcrO%Chany0iderNo5WestINstnciWWII'f'rajectdo Exhibit "A" CITY OF BAYTO N Change Order No. 5 BAYTOM West District W'WTP Expansion December 3, 2012 Brief Descri tion of Changes: See Attachment A. Add or Delete Itoms: Item Description Unit Quantity Unit Price Total 1 20"BFV in Header LS 1 $14,168.82 $14.168.82 2 Belt Press Controls LS 1 $47,293,23 547,293.23 3 Add Polymer Pump Installation LS 1 $8.019.58 38,1D19.58 4 Add Site Lighting& Blower Wail Packs LS 1 $208,186.60 S208,186,60 5 Sample Station LS 1 $47.592-911 $47,592.91 6 Drain Lines LS 1 $144,920.27 $144,920.27 7 _ Scum Controls, Power, &Space Heaters LS 1 $12.187.68 $12,187.68 8 Move US& Eff PIS Panels LS 1 $89,913.29 $89,913.29 9 Add LV Panels&XFRMS LS 1 $35,741.97 $35.741.97 10 Screwpactor Panel Power LS 1 1 _$4,162.48 $4,162.48 11 JGrinder Starters Removal LS 1 $5,167.321 $5.167.32 12 JConcrete Btwn Blower Bld2&Treatment Unit LS 1 15.309.50 1 $15,309.50 Total 5 632,663.64 Contract Summary: Original Contract Price $18,693,900,00 Previous Change Orders $456,569,39 This Change Order 4 Revised Contract Price $19,983,133.03 Od final Contract Duration-Calendar Days 730 Previous Time Extensions 30 This Change Order 1471 Revised Contract Duration-Calendar Days 907 rck rfisiD J" f2• •1 Z LE o truction Co., Project Manager Date Director of Engineering Date Director of Finance Date City Manager -Date a- P- 0-141 I1 Atkins, Project MatAger Date ATTACHMENT A L 20"Backflow Valve in Header—Attachment B • Discussed In RFI#74. • As designed,no separation exists between the blowers for the new plant and the blowers for the old plant. 'Therefore,there Is no way to isolate the old plant air from the new plant air,and if one plant should ever need to have air shut down then all the valves would need to be closed on that plant to Isolate it. To address this situation,the contractor will place a 20"backflow valve at the 2rx20"reducer Just past the 1W air drop to the new contact chlorine basin(CCB). This will allow plant personnel to Isolate each plant with only one valve to turn. • Cost includes purchase and installation of the 20"backflow valve. 2. Belt Press Controls—Attachment C • Discussed in RFI#72,Part 1 of 2. • The question In part 1 of RFI#72 from the Contractor asked the Engineer to Identify the control sequence for the level transmitter in the sludge holding tank and what equipment it shall control. It was not clear to the Contractor that the tank level transmitter signal activates or deactivates the new digested sludge pumps or the existing digested sludge pumps. The Contractor believed the level transmitter signal from the sludge holding tank would govern the operation of the digester pumps in AUTO,and asked for confirmation from the Engineer. • In response,the Engineer directed the Contractor to provide a new control panel in the belt press room for sludge tank fill control. The panel Is to be located near the proposed sludge tank level transmitter or at a location selected by plant personnel. This new control panel will address all concerns surrounding control of the digested sludge pumps. • Cost Includes purchase and installation of a new aforementioned control panel. 3. Add Polymer Pump Installation—Attachment D • Discussed in RFI#72,Part 2 of 2 and the revised response to RFI#76. • The contract specifications for the polymer system state that the Contractor is to provide a total of three polymer skids in the belt press room. However,Sheet 32 of the contract drawings shows the Contractor to install only one skid. • The Engineer,after discussions with the City,gave direction to the Contractor to replace the existing polymer system with one of the new skids,install a second new skid as shown in the plans,and to keep the third new skid In the belt press room as a spare with no connections. • Cost includes removal of existing polymer system and installation of a new skid. Second Installed skid already included in base contract. 4. Add Site Lighting and Blower Wall Packs—Attachment E • The contract drawings only included the installation of two overhead site lights for the entire plant area. Due to safety concerns at night,the City requested the Contractor to provide additional 25'high light poles to adequately light the plant site. The City also requested the light fixtures match the LED lights used currently at the Baytown BAWA plant. • The Contractor provided pricing to install a total of eight 25' high LED light poles at various locations around the plant site. Additionally,the Contractor priced the placement of three wallpak light fixtures to be placed on the exterior of the blower building at the request of plant personnel. • Cost Includes installation of the three wallpak lights and eight 25'high LED light poles Including conduit and wire needed in duct banks. 5. Effluent Tower Sampling Station Vault—Attachment F • Per TCEQ requirements,the City must take direct fluid samples from the effluent splatter box. The normal fluid level in the effluent splitter box will be below ground level;therefore, an above ground spigot on the side of the box would not be adequate,and a pump to lift the fluid up to the spigot would be in conflict with TCEQ requirements for the direct sample. At the Chys request,the Engineer provided a design fora below ground vault on the side of the effluent splatter box which plant personnel could enter to take direct fluid samples from a spigot that would be below the normal fluid level. • Cost Includes installation of the concrete below ground vault on the side of the effluent splitter box and a sampling spigot. 6. Sanitary Drain Lines—Attachment G • Discussed in RFI#78. • Due to uncertainty during the design process surrounding as built information,If the existing Influent line and lift station are plugged and abandoned as shown on the contract drawings, some of the existing plant-drains will not drain to the lift station which is not an acceptable situation. To rectify this situation the Engineer provided a rerouting of the sanitary drain lines to place a new 8"line from an existing manhole near the existing lift station to a proposed sanitary manhole tapping into an existing 8"sanitary lane. This will allow acceptable sanitary drainage throughout the plant site. • Cosa includes core into existing manhole,placement of new 8"sanitary line,and installation of a new sanitary manhole on an existing 8"sanitary line. 7. Scum Controls,Power,and Space Heaters—Attachment H • Discussed in RFI#77 and RFI#82. • In RFI#77 the Contractor stated the drawings show floats to control the SCUM and WAS pumps,but the existing plant's SCUM and WAS pumps are controlled by timers. The Contractor's question was what type of control does the City want to control the new SCUM and WAS pumps. • The Engineer responded that the City requires timers for operation of the WAS and SCUM pumps to ensure even wear for all three motors in both one and two pump operating modes,and gave direction the installation of the timers. • In RFI#82,the Contractor stated it was not dear an the contract drawings how to provide power to the WAS and SCUM pump panels. The Engineer gave direction on conductor placement to provide the power an question to the pumps panels. Additionally,the Engineer provided direction for wiring to route power to the motor heaters which was also not dear in the contract drawings • Cost includes purchase and installation of timers for operation of WAS and SCUM pumps, and providing power to the WAS and SCUM pump panels and associated motor heaters. S. Move L/S and Eff P/S Panels—Attachment I • Discussed in RFI#57 and#57A • In RFI#57 LEM brought forth an Issue which was delaying the completion of the MCC2 building. Essentially the contract drawings gave conflicting direction showing the starters for the lift station pumps to be installed within the MCC gear as well as within the Digigage panel. Both the MCC gear and the Digigage panel were submitted showing inclusion of the starters for the lift station pumps,and both were approved by the engineer. Since only one starter can be utilized for each pump,LEM asked the engineer what their intent was. The engineer Shrader responded that the intent of design was for the MCC gear to house the starters for the pumps,and the digigage panel was intended for controls only. • City reps Including Gerald Gutierrez met LEM on site so that LEM could explain their solution to the above issue which was to rewire the dlglgage control panel and remove the starters. While on site,Mr.Gutierrez told LEM that in addition to addressing this Issue,both the Influent and effluent lift station control panels should be moved from MCC2 and MCC3 to their respective lift stations. This will allow City plant personnel to better monitor the pumps. At that point the engineer was asked to provide a response to RFI#57 that would Include moving the influent and effluent lift station control panels. Shrader responded with the RFI#57A directing the contractor to move the influent lift station control panel from MCC2 to the influent lift station,and with the attached response labeled"effluent lift station control panel relocation"directing the contractor to move the effluent lift station control panel from MCC3 to the effluent lift station. 9. Add IV Panels and XFRMS—Attachment J • Discussed In RFI#87 • In RFI#87,the Contractor states they believe an additional panel and XFRM transformer is required in MCC1 because the A/C units are low voltage 230V feeds,and the existing XFRM transformer and panel Is too crowded already to accept the amperage of the new A/C units. Also,the Contractor states an additional panel and XFRM transformer Is needed in MCC2 to accommodate the fluid detection systems for the Moyno pumps,the power feeders for the SCUM and WAS pumps,and to lighten the amperage loads. • The Engineer agreed with adding the panels and XFRM transformers to MCC 1 and MCC2. • Cost includes purchase and installation of two new panels and XFRM transformers,one to be placed in MCC1 and one to be placed in MCC2. 10. Screwpactor Panel Power—Attachment K • Discussed in RFI#83 • In RFI#83,the Contractor states that although the contract drawings do not show two control panels on top of the headworks structure,there is actually one panel for the barscreen and one panel for the screwpactor as part of the original bid pricing. The additional screwpactor panel must be installed to complete the working system even though there is no OCP indicated. • The Engineer responded by providing instructions to route new conductors plus ground from the bar screen panel to the screwpador panel,and to connect their two panel circuit breakers. • Cost Includes connector of screwpador panel to bar screen panel with conductors plus ground,and connection of the two panel circuit breakers in parallel. 1L Grinder Starters Removal—Attachment L • Discussed In RFI#86. • In RFI#86,the Contractor states the contract drawings show no grinder control panels,but the approved submittal shows three specific control panels for each of the grinders requiring 480V power. The MCC gear was approved and delivered with VFD starters for those grinders;however,the Contractor wants to use their own control panel and starters for warranty purposes rather than the starters in the MCC gear. To avoid warranty Issues, the Contractor proposes to remove the VFD sections from the gear,install blank sections, and provide circuit breakers for 480V power to the grinder control panels. • The Engineer approved the Contractoes proposed solution. • Cost includes removal of VFD sections from MCC gear,installation of blank sections,and purchase and Installation of circuit breakers for 480V power to the grinder control panels 12. Concrete Between Existing Blower Building and Existing Treatment Unit—Attachment M • In the area of the spread footing foundations for the above ground pipe supports between the existing blower building and the existing treatment unit,City personnel have said standing water Is a constant problem. Even with re-grading of the area standing water could still be a concern and could have potential for degradation of the adjacent building foundations. To avoid this problem the Engineer recommended placing concrete sidewalk In this entire area. • Cost includes placement of concrete between the existing blower building and existing treatment unit per the sidewalk detail. LEM Construction Company, Inc. 10849 lQnghurst,Suite 150 Houston,TX 77099 Ph:281-495-9550 Fax.281-495-9995 Change Request To: Dominick Trupia Number. 15A REV 2 Atkins Date: 11012 1250 Wood Branch Park Drive Job: 2011-02 Baytown West District WWTP Exp Suite 300 Phone: Houston,TX 77079 Ph:(261)529-4273 Fax:(281)493-1047 Description: Various Change Proposals We are pleased to offer the following pricing to make the following changes: This change proposal consists of several discussed change proposals. Included in this pricing is the lump sum totals for all the items requested to the best of LEM's understanding. LEM has also included pricing for Supervision and General Conditions totaling an additional 44V days to perform this work from the time of submission,through approvals to proceed,submittal review process, procurement,aNNnstallalion. A schedule has been submitted to show that these items extend the completion of the project substantially,and LeMsubmb dW this additional General Conditions is part of this change proposal. 147 These prices are submitted i t format that LEM can offer to allow the OwnedEngineer to review and select which ones best represent the most complete package far The City of Baytown. It is at the City's discretion to choose which pricing for each activity Is to be included In this contract. If less than all the items Included in this proposal are chosen,or a combination of items,then LEM will adjust the entire proposal to reflect the Owners selection. Attached you will find: 1.Overall Pricing Proposal 2.LEM bid item sheets for each proposal 3.SubcontractorNendor pricing backup 4.Specific detail in some proposals,i.e.,cut sheets,or drawings depicting the intended location of equipment 5.LEM's Supervision&General Conditions breakdown 6.Current Const Schedule showing the anticipated project completion time without this proposal 7.Const Schedule with the activities associated with this proposals interconnected logically showing the outward push of the overall end date. LEM aims to please the Owner to the best of their ability,but time is certainly of the essence In this case. If the Owner wishes to proceed with some or all,we must know by no later than Wed.Nov.141h. The construction schedule is ever moving,and a lack of decision will add additional Supervision&General Conditions cost beyond that date,and current pricing will need to be adjusted to accommodate. The total amount to provide this work is.................................................................................................. $617,354.14 (Please refer to attached sheet for details.) Please note that LEM Construction Company,Inc.will require an extra 162 days. If you have any questions,please contact me at 281-495-9550. Page 1 of 3 MI)i LEM Construction Company, Inc. 10849"hurst,Suite 150 Houston,TX 770gg Ph:281-495-9550 Fax 281-495-9995 Submitted by: Approved by: Date: Cc: Page 2 of 3 LEM Construction Company, Inc. 10849 IGnghurst.Suite 150 Houston.TX 77099 Ph:281.495-9550 Fax 81.495-9995 Change Request 15A REV 2 Price Breakdown Continuation Sheet Description: Various Change Proposals Description Units Labor Material Equipment Subcontract Other Price 20"BFV in Header Its $1,116.00 $6,173.00 S600.00 S107.00 $7.996.00 Beft Press Controls Its S16,300.00 $12,420.00 $28.720.00 Add Polymer Pump 11s $1.440.00 S2,716.00 $200.00 $4.356.00 Installation Add Site Lighting&Blower its $2,232.00 $430.00 $1.950.00 $124,068.00 $420.00 S129,100.00 Wall Packs Sample Station Its $6,453.00 $5.351.00 $10.034.00 S300.00 S638.00 S22,776.00 Drain Lines Its S22,007.00 $191003.00 $24.475.00 $2.750.00 $2.123.00 $70.358.00 Sam Controls,Power,& 11s $1.200.00 $6.390.00 S7,590.00 Space Heaters Move US&Eft PIS Panels its $4.923.00 S2,732.00 $500.00 $45,160.00 $542.00 $53.857.00 Add LV Panels&XFRMS its S22,480.00 S22,480.00 Screwpactor Panel Power Its S2,618.00 $2.618.00 Grinder Starters Removal Its $3.250.00 53.250.00 Supervision&General its S71,589.00 $18.275.00 $2.000.00 S14,994.00 S106,858.00 Conditions Bond its $17,082.76 $17.082.76 Subtotal: $477.041.76 Labor Burden $109,760.00 55.00% $60.368.00 Eqpt Service&Repair $36,959.00 35.00% $12,935.65 Sales Tax S73,065.76 825% $6,027.93 Profit on Subs S224,752.00 5.00% $11.237.60 Profit(Excluding Subs) S331,621.34 15.00% $49.743.20 Bond&Insurance S617,354.14 $0.00 Total: $617,354.14 Page 3 of 3 GENERAL CONDITIONS AND OVERHEAD GENERAL CONDMONS AND OVERHEAD TAXABLE NOWTAXABLE TAXABLE NOWTAXABLE BURDEN CODE LABOR INCIDENTALS B=IWALB LABOR IN0081 TALE BNC03ETITAL S ITEM FSCRIPRON QTY UNIT UNIT UNIT UNIT TOTAL TOTAL. TOTAL TOTAL S P 2.6 ISO" B. 1,100.00 87 DD 9 ez5 00 8 JOB SUPERINTENDENT 4.0 NO' 8 00.0D 311.1ifl.00 6 38&00 36 608.00 S FOREMAN 4A NO• &04.00 X46MOD, Z45MOO 8 PROJECT ENGINEER 4.9 NO' I 4 W 1180.001 2X275.00 L4FAW 26 726.0D SAFETY CONSULTANT 4.91 NO 1 100.00 00 420, 491kW 980.001 PROGRESS PHOTOS 4.91 ISO 1 6m 248.00 248.00 LAB FEES4ASC. 1 LS 0 00 2.CCD.CGI CONTRACTORS TRAILER 4.9 MO 1716 00 1715.00 STORAGE CONTAINER 4.0 NO 735.00 73&Ao AIE TRAILER 4.0 IM0 350.00 1716.00 171&.00 TRASH DUMPSTER 4 9 400.00 1 .00 1 880.00 UITLffmS 4.0 NO &00.00 480.00 SANITATION UNITS(SIGNIMOMA) 4.6 NO 00 1,96010 EE S ICE 3 CUPS(s10AAANIFANT}N) 4"' DO 1,960.00 TELONONE 40 260 00 1 Oo CELLULAR PHONE 4 9 M 00 205.00 SECURITY SYSTENd 42 00 294.00 pSL 4 9 No 60.00 245AD 8 TOOLS .9 WN 00 .00 I GENERAL SAFETY 18 • 18 8 00 324.00R9000 414.00 71 1 LABOR N(m TOTAL TAXABLE Pape 1 d 1 y C Q a v v g N N N N N N •�'N N N N N N A 'A . o U iJ�4 {II O O LL a A A A A iE Q W 5i= J I P f to r N� � z � 0 tp .3 r -M $OVA O Yt +"MD d1MM.LORI1SM1S3MNMO1AVa c me oanmtl 2 IIQ YRO 1: n uwlrlr -im"OO NOLLDMLLSNOO 08-1 ' "a ukdm tRP 111� ontN OtT1C 301tlf7UOlr t f t1'ui7Nv� t I 1 I r 0"1�Va..3 t>Q1ANt7lD1lIIIIDl11�OfIJDIDtNilGlCiD CKS 1 1 1 I 11 Illllllt11111 1 1 Ifdd%aD, >s1 1r 82tlOdMCBdld 111111111111 t 1 to xt�aruD oW c c ad UUw orm aald oiw r HilBatllNtlflJ3>17[HL 1 I 1 1 it 'Illltltllllllt 1 1 Cdl�td3 I PK L1lIOHBD i1MHW t 11 uallnacCd'1 7YD nPttd®tl 1 1 I 1 Il DdIMIYl13GOrISE'37JY xuwNW L L IId'139Atet�oa+nsaarn aiti DCl ttl47ttri tIRDNW S IS 'L1dd8 at3tl�1A7�3fYa WQL 1 t391,Lt7ddfiC 1 1 1 1 11 1111Itt 1 / W 21931191 Y2td3CK 0 It Sd'7df7•ri1Bl tl1DI0 laK 1 I 1 t 1dd3'►Afdl 1 1 17d1ifD•tltl eli[ PL I x1O3® YLtd37K e t OtidW 3�W1��SLO dmV L4 1 1 DI xt Yxtwm t a ulyed37tiYH3C[S)dR71dlIl7 Drtf 1 I t101— dttof1fldL8f7tl� 1 I 1 1 11 1111Illltllllt 1 1 lY NauQYl tYt 2UIOtYY LUIDNW C L SS3J-1r 113t1tIf1Y13Y 18t1t1Y1 DSS 1 1 1 1 ID t►t11tWJlY G'7Z3rA flfi�_l1C.et tl� L t t CJD9TW9a1 WBf. 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'� C� Nq pCR'� RCS 11 111 A01 sa l,:Ng « « n w w « « « « w« w« « w« « n w R R R R R R R R R R R a � 3 O 3y W F � a 3 11 u S 1 !1 a 1 L --- ---------- uS�p.�p_ 1 -_ —----� ---- --- --- ' - ------- -------. -•-S_• _-- uj -- --- ID ---- - - - a 3ti' Q U) 3 y� /� ^ � _ �•3 tS 1«r� ^ .� • h w ��SI a w N N • L'(��1�!}�1�u^1,f�(y r^�,('(p"�w ^^'S iDo Ei$OI��Xn TH .nuo pR - TH T'i" LS' R791RaRR R RR Q$RSlti^ RRTR o- 1611192 ZOE iil z �3 uY � 61 a �a 9 �°a�4 aJ 3 3 3 f � I q cc fx -- ------------- ---------=�- ----------------- -- 1 � fee 15 LA 21 01 o ° -- - - - --- :__ ---- � N3 (� z 8yy AA gg AAB8y� AA $ � Q to RR RRRRRRR R PAS» P..»� — fd:m R R RRRRR RR "—R^ Jgj::j!T » 3R n b yZ�� NP S .•{rll �Z ��.�PJ .1�Q6p� a w Y w a s o g y$ ,11,11111 ° ATTACHMENT B o a ll as IN p � m 3 _ d 4 � � s a R R R J Micah Allison From Hunter Howard <hhoward@lemconstruction.com> sent: Wednesday,October 03,201210:45 AM To: Micah Allison Subject Fwd:20'butterfky valve Forwarded message From:Leslie Cohen<leslielg�cohenoine.com> Date:Mon,Oct 1,2012 at 3:13 PM Subject:20"buftr&y valve To: "Hunter Howard(hhoward cr le►nconstruction.com <hboward(c niconstruction.com> 20"bfv valve gear and hw for$5093 Leslie Cohen President Cohen Industrial Supply Co. 713.467.3300 713.467.3300(f) leslie��ipe.com Hinter Howard Project Manager LEM Construction 10849.Kinghurst suite 150 Houston,Tx,77099 P 281-495-9550 F 281-495-9995 wmv.lemconstruct ion.co m i LEM Construction Company, Inc. 10849 Kinghurst,Suite 150 Houston,TX 77099 Ph:281.495.9550 Fax:281.495-9995 RFI To: Dominick Trupia RFI# 7 Lf Atkins Date: 8/27/2012 1250 Wood Branch Park Drive Job: 2011-02 Baytown West District WWTP Exp Suite 300 Phone: Houston.TX 77079 Ph:(281)5294273 Fax:(281)493-1047 CC: Subject: Blower Intent of Design Drawing: Spec Section: Cost Impact: None Schedule Impact: None Request Date Required: LEM would like to know what the intent of design for the blowers was for the operation of the two plants?(i.e.Were the new blowers going to nm both plants,old and new working together to run both?).As designed on the drawings now there is no way to isolate the old plant air from the new plant air if one plant should ever need to have air shut down all the valves would need to be closed on that plant to isolate it.There is a flange at the 24"x 20"reducer just past the 10"air drop to the new CCB where one could be added at this time which would allow the city to isolate each plant with only one valve to turn.Would the city like to add this valve at this time. I am trying to release the pipe that runs from the reducer to the existing plant air so time is of the essence for this response. Requested by: Hunter Howard LEM Construction Co,Inc. Response: ?LeASt; jN5;-7ALL 19 VALvC A-r LcCA-?,n.a 'I)iS �-JSS A3aJ G.NA AW swered by ,0 It SjA �N(rr"'Kt rr truly J Company Date Page 1 of 1 AITTACMMENT C I § w d � .k � § $ ■ § d § ■ ° B sa di e § § ® ■ ■ � ■ ■ ■ . ■ ■ - ' g § § § . § �g § � ' -� - | § § ■ § � § � o A � § � :.'j Ll environmental . Improvements Inc. 70461-1111 Fmc 71W481.1821 1183&htmOot state 1W HOUSU n.TOM 71t143 P09 OMW 6=70M Houtz m TW=772799M October 9,2012 LEM Construction, Inc. Attn: Micah Allison 10849 Kinghurst,Suite 159 Houston,TX 77099 Re: Baytown West WWTP—Belt Press Control Panel Modifications. Dear Mr.Allison, Ashbrook has been contacted by LEM Construction CO., Inc. (Hunter Howard) and has 1 been asked to provide a cost to make modifications In the field to the new BFP Control Panel(1307507) and also to the existing Ashbrook BFP Control Panel(904929). The requested changes to the new BFP Control Panel are: (1)Add a two position selector switch (PP3 /PP2)to the door and add start I stop and speed control/indication for a new polymer pump(PP2). (2)Change out three (3)position selector switch to a two (2) position selector switch for the control of the sludge feed pumps(SP1 /SP2). The requested changes to the existing BFP Control panel are: (1) Add a two (2) position selector switch to the door for start/ stop control of sludge feed pumps 3&2. (2) Add a two (2) position selector switch (PP1 /PP2) to the door and add start/ stop and speed control/indication for the new polymer pump(PP2). Ashbrook is pleased to provide a proposal to provide the above requested field modifications. The cost to make the panel modifications as requested, In the field, will be $16,300.00. This cost will include drawing revisions for both panels, material, labor, testing, travel and expenses. Should you have any questions,please do not hesitate to call. Thank you, Jeff Houston TEXAS OKLAHOMA 0 A a tit J jd VIEW III I oil h1l ol1 "' l m LEM Construction Company,Inc. 10849 IQnghurst Suite 150 Houston,TX 77099 Ph:281495.990 Fax 281-495.9995 RF! To: Dominick Trupia RFI#:72 Atkins Date:8/1312012 125D Woad Branch Park Drive ,lob:2011-02 Baytown West District WWTP Exp Stilts 300 Phone: Houston,TX 77079 Ph:(281)5294273 Fart(281)493-1047 ' CC: J Subject: Bell Press Building Control Clarifications , Drawing: Ell,&E12 Spec Section: j Cost Impact: None Schedule Impact None — Request Date Requtmd: Please identify the control sequence for the level transmitter in the sludge holding tank and what equipment it shall control. There is no indication that the tank level transmitter signal goes to activate or deactivate the new digested sludge pumps or the existing digested sludge pumps. LEM belelves that which digester is to be processed from will be at the descrelion of the City of Baytown's Operators. In so doing,we feel that the level transmitter signal from the sludge holding lank shall govern the operation or the digester pumps to AUTO based on level set points. Please confirm. In'addition,LEM does have the provisions for control within the now bell press panel to start and slop the grinders and the MOYNO sludge teed pumps within the new building. There Is a selector switch on the new panel that will dellniale between 1 or 3 MOYNO pumps feeding the belt press(s). However,them is no such existing selector switch for the old belt press panel,nor are there provisions for the old panel to start now equipment that Is being added under this contract,spec:C'scaAy the MOYNOS. What Is the Intent for design to allow the old belt press panel to signal a START for the new sludge feed pumps? Will the addition of a selector switch minoring the new be4 press panel be requested? Requested by: Response: Please see the attached RFI response farm in reference to paragraph] of 2. lig- Jackson Keating,E.I.T. wered by Shrader Engineering,Inc. October 8,2012 Company Date Page 1 of 1 SH RA®ER ENGINEERING E.LEr.KRlCnI • ftC�f>•1•.ICAI WFQAMAtkiflECFtt•rlfv,:'+ REQUEST FOR INFORMATION(RFI)RESPONSE FORM Date: October 8,2012 SEI Project No. 3271-UA RFI: #72:Belt Press Building Control Clarifications Project: City of Baytown—West District WWTP Expansion (UA#E024-0520-903) Comments: 1: Sludge Tank Rif Control Panel Frovidgaclew coritrbl 0arle4in the belt press room for sludge tank fill control. Panel shall be located near the proposed sludge tank level transmitter or per operator selected location. The control and wiring diagrams are attached. a. Provide DPST hi-level pressure switch at the sludge tar*. U9e Mervoid-outdoor ratbd switch.:.Io auW:t read:existirig sttGuon l{ne at tank 9 b. Route i inch conduit-with 1"14,conductors plus ground from control panel to MCC-1 for Sludge Transfer Pumps 1 and 2. Any available abandoned wires and conduit may be re-used. �rq/ c. Route 1 inch conduit with 10-K4•conduptors plus ground from control panel to MCC-2 for Sludge Transfer Pumps 3 and 4. ;:1 JL 4 4 70: • ^•'�% ram:',t' -` 6.1, d: Route%inch conduit with 4-#14 conductors plus ground from control panel to lA: sludge tank pressure(level)switch. e. Route's Inch conduit with 6-414 conductors plus ground from control panel to level transmitter. Response By: Date: October 08,203.2 ackson Keating,E.I. . 900 Town and Country Blvd. I Suite 430 I Houston,TX 77024-4562 1 www.shrader.net 1 0: 713.467.9861 F. 713.465.6507. � 4 lea®0 ea®0ea00e J J l�J L to cc Do a 0-M M M rl M ryl -j , + 1 Y I z �0860®900096061 090e LU J N F- �, v ° W dA 3$ U. J 9 0 W CO � I Iz< a + a o IL a if d J Imo d IL $ ac Z �> x Z at ODbD •- all- 0 0O � R x� —«- dagiz 89 J i �5s cx c c LL jig N o Q x z 3aS � + I 9 rl 9I a � I I Q I o -( I I i-( _0 I = 0 _ o 51 I Q a 0 N a I Z j - - - - -o 4g7l " J .I IOct—b—o o Q z � I I I w l I o� � � I ,I I � � I 2 Al sd > C9 i EE s RI ` 4405a'T:T :S tyozftlo L -OQT :0 H 120V N 20A/1 P START STOP 180 SLUDGE FEED OR PUMP RELAY 214 OR O SLUDGE FEED PUMP RUNNING -.*o 120V 180 SLUDGE I= OR 1 2 s 2331 OR 2So I SLUDGE FM I 232 PUMP 2 RELAY CL- CR 251 I I SLUDGE FEED 233 PUMP 3 RELAY OR 2M SLUDGE PUMP 1 231 ' RUNNING OR SLUDGE PUMP 1 --�(- -- o—�F---"—� RELAY SLUDGE PUMP 2 232 RUNNING — OR SLUDGE PUMP 2 o- I---� RELAY SLUDGE PUMP 3 233 RUNNING OR SLUDGE RELAYRUMP9 COMMON ---a 14 SLUDGE FEED CR PUMP RUN CONFIRM J. NOTE: 1. CONTACTS TO BE WIRED TO STARTER CABNIETS IN MCC 2. BELT FILTER PRESS CONTROL PANEL SCHEMATICS SELECTOR SWITCH FOR PROPOSED BELT PRESS.TYPICAL FOR EXISTING BELT PRESS. ATTACHMENT D , a i � 6 I � � s j 'I el n O J $s 7 O :19 :19 ,911119 :19111 ISO all R r r 1. 4 F a a IL (Ll� Val CN � mp z � BEM Construction Company,Inc, n I10849 Knghursl,Suite 150 Houston,TX 77099 Ph:281A95-9550 Fax:281495-91i95 RF! To: Dominick Trupla RFI P.72 Atkins Date:8/13/2012 1250 Wood Branch Park Drive Job:2011-02 Baytown West District WVVTP Exp Suite 300 Phone: Houston,TX T7079 Ph:(281)5294273 Fatc(201)493-1047 _ CC: .- Subject: Bell Press BuAdktg Coolrol ClanIceBarrs Drawing: Ell.&E12 Spec Section: Cost Impact: None Schedule Impact:None Request: Date Required: Please identify the control sequence for the level transmitter in the sludge holding lank,and what equipment it shall control There is no indication that the tank level transmitter signal goes to activate or deactivate the new digested sludge pumps or the existing digested sludge pumps. LEM belelves that which digester is to be processed from will be at the descrelion of the City of Baytown's Operators. In so doing,we feel that the level transmitter signal from the sludge holding tank shall govem 111e operatlon of the digester pumps in AUTO based an level set paints Please confirm. In ailaon,LEM does have the provisions for control within the new belt press panel to start and stop the grinders and the MOYNO sludge feed pumps waft the new(wilding. There Is a selector switch on the new panel that will delinlate between 1 or 3 MOYNO pumps feeding the bell press(s). However,there is no such existing selector stitch for the old bell press panel,nor are there provisions for the old panel to start new equipment that Is being added under this contract,specifically the MOYNOS. What Is the Intent for design to allow the old belt press panel to signal a START for the new sludge feed pumps? Will the addidon of a selector swdch minoring the new bell press panel be fequested7 Requested by: Response: Please see the attached RFI response form in reference to paragraph 2 of 2. / 7 t"la Jackson Keating,E.I.T. Answered try October 8,2012 Shrader Engineering,Inc. Company Date Page 1 of 1 s SHRA®ER ENGINEERING EECMCAL • MEC MWAL • WFOAMA TION TECHNOLOGY REQUEST FOR INFORMATION(RFI)RESPONSE FORM Date: October 8,2012 SEI Project No. 3271-UA RFI: #72:Belt Press Building Control Clarificatiom-, 2�O,•RespeAse):. Project: City of Baytown—West District WWTP Expansion (UA#E024-0520-903) Comments: L°:fill' Feed;Riiiii)}glector'Swit-ch ...r-r+T—.... Install selector switch at existing belt press control panel for control of proposed sludge feed pumps. The control and wiring diagrams are attached. al. Route%inch conduit with 8414 conductors plus ground from the proposed belt press control panel to the existing belt press panel. �v b. Install 2 pole feed pump selector switch and 2 control relays at existing belt press control panel. c. Replace 3 position feed pump selector switch with 2 position selector switch at proposed belt press control panel. Abandon coil for relay 233 CR at proposed belt press control panel. Attached are control schematics and wiring diagram for the polymer system. Complete the following items: -' p L Install selector switch at existing belt press control panel to select between primary polymer system 1 and backup polymer system 2. r• 2.. Install selector switch at proposed belt press control panel to select between primary a j polymer system 3 and backup polymer system 2. 3, If not already existing,install receptacle and junction box at each polymer system. 4. Provide power to the polymer system from the receptacle. Response By: ' Date: October 08,2012 ackson Keating,E.I.T. 800 Toym and Country Blvd, I Suite 430 1 Houston,TX 77024-4562 1 www.shreder.net 1 0: 713.467.9961 1 R 713.465.0502 1 EXISTING BELT NEW BELT PRESS CONTROL PRESS PANEL CONTROL PANEL s� Ob—NOWITIM MCC-2. �EOAIDI�I''V1� t' GN..D (ONGIN'AL CONTRAOT DWAWINC3S) BELT PRESS CONTROL PANEL r --------- -- -------- ---- ---------� I LL co I I I I �-- I I � a aN a � I I (n in I Oin O� N O N I I I I ~ � a � a � I I ¢� ¢ � I I IN I i Iv O I Ig z I I j I I I I � M I v I N I Uj I z I I I . , d I J IUj Z NU Nv r I i (L ¢a I O Iwo zj w 1 z I IL Imp ? I IzU - -� w I ri.t I z Iw z I a I I Jz vp I ma zCo a ILDlzo aMo j Wv 15<-0 11Liu L-- ------- ----------- ----- -- ---- (w!a[iti0t/9IbT�PL�Z��-901�0 ialVfl�tQE166EE C01EV0 N H 120V 20A/1 P START STOP 180 SLUDGE CR -FEED PUMP RELAY 214 SLUDGE CR G EED PUMP 120V,o L- RUNNING 180 SLUDGE CR CR1 -FEED PUMP 1 RELAY 251 NOTE 3 23 SLUDGE FEED -i- UMP 2 CR RELAY 251 / ABANDON RELAY SLUDGE NOTE 2 COIL FOR SFP3 -FEED PUMP 3 SLUDGE PUMP i RELAY 252 RUNNING 2.31 SLUDGE FEED MaLixSLU DGE UMP 2 NOTE 1 CR TO MCC--2 PUMP1 RELAY RUNNING SLUDGE Maux 2321 TO MCC-2 -FEED PUMP 2 ----A F-------- NOTE 1 CR RELAY SLUDGE PUMP 3 RUNNING SLUDGE FEED ------M-aux -------- NOTE 1 �R E TO MCC-2 UMP 3 RELAY COMMON 214 SLUDGE FEED CR PUMP RUN NOTE: CONFIRM r ONTACTS TO BE WIRED IN PARALLEL WITH EXISTING BELT PRESS CONTROL PANEL CONTACTS. 2. ABANDON COIL FOR CONTROL RELAY 233. 3. REPLACE EXISTING 3 POSITION SWITCH WITH 2 POSITION SWTCH. q FEED PUMP CONTROLS FOR NEW BELT PRESS CONTROL PANEL. SELECTOR SWITCH CONTROL LOGIC NEW BELT PRESS PANEL 120V N 20A/1 P START sTor' 180 SLUDGE FEED CR PUMP RELAY 214 SLUDGE CR G FEED PUMP 120V-..o RUNNING 180 SLUDGE OR s2 232 FEED PUMP 2 CR NOTE 2 RELAY 251 I I 233 SLUDGE CR NOTE 2 FEED PUMP 3 SLUDGE PUMP 1 RELAY 252 RUNNING �—� TO PROPOSED SLUDGE Maux 232 1 BELT PRESS FEED PUMP 2 --A F-------- CR � PANEL RELAY SLUDGE PUMP 2 RUNNING TO PROPOSED Maux 233 BELT PRESS SLUDGE FEED ---A I'-------- OR T PANEL PUMP 3 RELAY SLUDGE PUMP 3 RUNNING Maux COMMON 214 SLUDGE FEED CR PUMP RUN CONFIRM N- 1. CONTACTS TO BE WIRED IN PARALLEL WITH NEW BELT PRESS CONTROL PANEL CONTACTS. 2. 4 POLE RELAYS REQUIRED. L FOR EXISTING � FEE® PUMP CONTROLS BELT PRESS CONTROL PANEL SELECTOR SWITCH FOR CONTROL LOGIC EXISTING BELT PRESS PANEL. 3 .C�/ • 441 ND f POLYMER 1':OL,YMER (NO E LY�I=R SYSTEM 1 3/4 IN.C W! Y$TEM'2- S M 3 -3/4 IN. C,W/ 4414+OdD i I 314 IN.Gi;W1 41f~i4+QND (�Q 2) is 4•#14+GND (NOTE 2) - (NOTE 2} ,. EXISTING BELT PROPOSED.-BELT PRESS CONTROL '-RRitaS CONTROL 314 IN.C,W12 PANEL . PANEL &CH.SHIELDED _- PAIR CABLES 314•IN.°C,02. 3�4'IN• EACH SHIELDED EACHSPIELDED . PAIR,Z'ABt`FS PAIR CABLE NOTES: + 1. POLYMER SUBMITTAL IS NOT CLEAR ON SPEED FEEDBACK TO BELT PRESS. DESIGN SHOWN INCLUDES THAT FEATURE. FIELD COORDINATE. 2. CALL AND ACKNOWLEDGE SIGNALS. go 3. 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BO 1 R111165OC 16 S.Ox3.Ox.125 O' 23 06 is 40 28 7.75 75x1T+3 20 60 1.2 35 07 20 1 RM►i8'S08 18 SAx30x.168 0' 3.3 110 22 .0 1.S 776 75x17+3 3O' 2A 65 ZO 80 1.3 a 1 R7A1690a1 18 5Ax3.Ox.188 d' 4.3 3.0 ZZ 7.76 .7Sx17+3 3.8 11S ZT 8D 1.9 65 fm Y'Qlx Min. Bolt Brio Base Anchor Bon �+ am Coda ON V& Bolt Bon Circle Ha Ola. I or or Pr*dton Uzo do 7.75 1 ,1.6 0.58 300-3,50 AW2M n NI-113 i vanom i o MZ to .BASE DETAIL r r AASHW RaUng RTA Round Tapered Aluminum Poles 80mp' 90'">�' 100mp1t EFA verfktd ROL Naml uet Olfeot I Bolt KAM Base Pose Polo Nostdra Wng Sho framTop Max 0lmt Max alms Max Alas Orde Anahar8olt No. !lumber Height a VkB Thickness of Pde EPA WL EPA WL IPA WL pa. She 2 1 RWOM 20 S.Ox3Ax.125 0' 3.9 97 27 88 1.8 46 UO J6Y17+3 Xr .B41 2 RVUOSOt0 20 &0xS0X.188 0' 88 1 170 &1 129 3.9 97 850 2Sx17+3 S0' &1 1 182 4.8 118 E 87 3 RU2080G 2D B.0x4AxA88 8. 9 73 W7 990 75x17+3 30rw 8.2 `r7 4 RVk2070S 20 7A x 4A x.158 3pr. 9 208 U 238 7.0 190 10.50 1.00x 36+4 3 RPM= 28 MOX4.0x.168 0° 42 124 &0 91 28 70 9550 JU17+3 Xr 4.S 113 33 83 25 64 4 RTA2MB 25 70x4A%AG8 0' 0 e` t0AO tAOx38+4 S RTA2580l3P25 8�0x4.Sx.1s8 0° 123 SOB 9.8 228 7.2 188 11.50 1A0x38+4 1.2 8.9 223 .2 180 S RTIMM8.0x4.8x.188 31 1 0.1 1150 1A0X38+4 71) 4 RV.30= 30 7.0x4Ax.188 0' 12S 28 65 t0A0 1AOY38+4 SOn 4�8 8 ?�8 6$ S RTASM 30 8A x Ox.15B �' 169 48 1 1 138 S.0 I 11.50 1AO x 36+4 S RTA309D0 90 8Ax4.Sx.188 am 109 20 8A 208 8.7 168 1130 1AOx38+4 37 9.9 247 7.7 194 M2 158 8 RTA3OtOG SO 10A x 8A X.188 18.7 18 13S 340 14.50 1.00 x 38♦4 so" 10.3 464 18A 387 128 313 S RTA35M 35 8A x 4.5 z.188 0' 8.0 12B 3.7 93 2e 7f tin I.W x 38+4 Xr 4.8 120 3A 88 28 68 6 R'IA388O0 36 8Ax4.8x.188 Ir 87 1� 42 1800 11.50 1A0x38+4 S RT1laM 38 B.Ox4.5x250 O'8 8 B.S MM 1AQx38+4 3v 02 258 &0 20 8 81 6 RIPJMOG 35 10A x 8A x.188 b0 908. 7 14M 1.00 x 39+4 Wr 14.8 365 11.5 2U 92 231 S RTA3880G 39 .8Ax4.Sx.188 4B 121 1190 1.00x36+4 3r 4 8 118 3A 84 2.6 82 S RTA38801 39 B.Ox48x.2w 0' 8.1 203 8.3 IV 4.9 10. "M 1AOY38+4 3v 7.7 1 U 148 118 8 RtA39t00 10A x eA x.188 T A 187 A�M1038+41 A 225 A39 10.0%8Ax2w . 88 13.3 10 O 2Twff 28 Y 48+8 78x kA4t. Amctmr Boll Be Base Bose Bolt item arde She 7w Bolt Bolt Owe No. Bla. nr 'k" pwactlon Bet Tomupleda ' - J= 2 8.50 9.28 0.58 3AO-3.60 AS-M4 TN-40 3 9.80 1026 0.76 US-37S A I-4 TMP-42 Nye10.90 10.80 0.78 WS-4.25 AB�2Tal TM -444"AD 11A0 0.88 3A8-4.98 ASW-4 TW%M14M 14A0 1.13 4A0-490 AB 7-4 TMp-81�M4JA 14AO 1.13 4.80-SRO 2" TMiL81 BASE DETAIL &A RrAP6s0if/�IW yoe o�XfAe,Art.IQAes0a�V� venear,wesaom� sr►sw.a+�t�rn4+s ATTACHMENT F a MY a a ; MAR 910 O m � gg pp pp p pp g m $ a All w w q O gq O r f7 w A N !'� O �d O c; T. 4�1R g�o�afooe44P qp 0 0 m ID w oa wV wwdwd w o gQ co T. rr7ra N �'m Nw N9Pm • N 00�g ATTACHMENT G M " a � $$ $$ g ggg ggR g R gg 4 33 3 goal NAs a $3 1140o11 155 o 55 to 8 a 30 �� x x �p L16 �m dim x 111 Hs aH .A Xo p e�oow �g0416�pIOao60 di o.�r�� 1' O W iY �� li7 V LEM Construction Company, Inc. 10849 I(inghurst,Suite 150 Houston,TX 77099 Ph:281-495-9550 Fax:281-495-9995 RF1 To: Dominick Trupia RFI#: 78 Atkins Date: 9/17/2012 1250 Wood Branch Park Drive Job: 2011-02 Baytown West District WWTP Exp Suite 300 Phone: Houston,TX 77079 Ph:(281)529-4273 Fait:(281)493-1047 CC: Subject: Existing Plant Drain Lines Drawing: Spec Section: Cost Impact None Schedule Impact: None Request: Date Required: It has come to LEM's attention that if the existing influent line and lift station Is plugged and abandoned as shown on the drawings that some of the existing plant drains will not drain to new lift station.Please provide information on how the existing plant will drain to the new lift station. Requested by- Hunter Howard LEM Construction Co, Inc. Response: P&aj,4& APJV� Qo&Z l.6 R eQ-o L3-n NCp aF PL,, -r .Y RA-1 N L 1 n/ES 1`► A , v&- JOY u 6-F F-LU 6W SPL17i�� Box SAMPU�C4 sifrTtoN " � ` Ef�c-uC-+vT SPLtTT6-2 190x SAMPL1N(h STA71010 - PLR0 SC-0Tt0QS Answered by 4-T h Kwo t N1*6&1 N C1 I l•06 2012r Company Date Page 1 of 1 ATTACHMENT H i a w � p � N w ww w �atl� fg i o �Fj �t: f � r � �- J O m o� al Co Cd s $ � a cc iTIll I LEM Construction Company,Inc. 10849 langfmrA Sulle 150 Houston,TX 77099 Ph:251-495-9550 Fax 281495-999S RF! To: DomWdt Trupia RFI ft 77 Awns Date:911712012 1260 Woad Branch Perk Drive Job:2011-02 Baytown West DLstrictVW"EV Suite 300 Phone: Houston,TX T7079 Ph:(281).5294273 Fax(281)393-1047 CC: Subject: WASISCUM Pump Controls Drawing: Spec Section: Costtmpact None SchedulekWet:Now Request Date Required: The contract drawings show floats to control the SCUM and was pumas.After the meeftng held an 91172o12 it was discovered that the e4sfM plant's scum and was pumps are controlled by tttnm Whal typr:of control does the City want to control the new pumps. Floats or Urner37 Please provide supporting documentation far eliher answer showing IecMUon and elevations of floats and pump ratatlons or if timers provide Intervals and pump relations. Requested by.Hunter Howard LEM Construction Co.Inc Response: The City rdquires timers for operation of the WAS and SCUM pumps. The design uses a switch to select between one or two pump operation. The timer turns the pumps)on and off based on an series of programmable setpoints. The alternator ensures even wear for all three motors In both one and two pump operating modes. install the timers In the existing WAS and SCUM pump local panels. Connect the timer contact to the existing alternator lead pump terminal. Install the selector switch In Chet moll panel,to the s. Space for backplate. Connect the selector switch between the lead and lag pump timer switch Is made available by relocating an existing terminal strip. All connection and removal details are shown In the attached control diagram markups. At a minimum,provide 24 hour,15 minute Interval,DIN rail mounted timer switch,Intermatic model MIL72 series or equal. Timing set points shall be coordinated with plant operators. Jackson Keating,E.I.T. Vs'=red by 10/16/12 Shrader Engineering,Inc. Company Date Page 1 of 1 � 1� 1!�l►'t CJa BIAS / � �u� 4�YOLT,IQ1 L l41QAF,�HEplR H 8 t� CtO.'iFaMKQr, caps th 4+u't (MA4111 B pa18 Xllf Dw1 x � iAM CJfdx{ ad- t Du u An tNtl�ll Kati t5A�6►dbtll'1EXp N � µt ltRYattlRx7q — LOT foul R110AEBCW=f 1 N Q1- •rjr�t�t � •� Iowe' nor S�1'G�10jCC�t �n'L�i". 40• 1HIR HIS H 1 fZ• 11lIR H sm cm=p0mof � e r ib A am FWUFMAYpq 2 W SCF�fAT{C b1Al{RAY[� N f �— EG Conte Inc.Ja&,O`ovm,$,FL DAME:34Sri R I)Mwn WAM sw slca:I: 5 OF N N 1 Di. '6FGt svmC14�'�',set Alda', 12:YUT.MTmtr warn 1 -o H U11E H H G o-�U _ H WAD H itSYAC Tnyi•pwvmHIw-v-O5mvETcRtT7m BT 2 1 � I PINph'0.1 91hCF' Iw1D,+AWO IIA,1DJ•.•nkld a Tl,;.a anal carat —1— OB• 2 i I 1 Hatt:~ 103 t2t5 PULW1A2 (!1W a10a1` OFF OF7 1011Ct11111Ct HAl 0 Ago HUioJ_[�Et� ,S to- I " e T i •dnlit' I —F— I 12• 12t5 �ttD.l t: at1 6lact HnHo°`i -wro I" tT 1 taco 13- I 11• -c v,� 3 1 a1 I tS ,i1s 12• 1 1!F Is. SCHEIMTIC DIAaRM�(CONTD1 N 1 WGHWBFJt NOV S1 EC 6 OF 14 EG Controls,YDc.Jacl sonviUe,FL DALE 3•�sat HENISOt CRAW ��yl:w � :L•4.::�J�i�M.'►Iwdil� Y � Ali- t -'✓ r-' :%i. - .3. �•ti�.Tri'_'p'draw :•t�,•'t `;._ - - _ i :�r7..��_ �•'•K�r+'• .-• .-�:.;73X''.;'`�," ----ram -��'e [t`�' - - •+ �, r.l .. VC l '� .L=�.'4 ~ail' .•.t. `'- .'. . •.nr- 'd.lc IZ . - �(J YiT•t �! � I. ♦•"��j ` :, r �'� ��Y':.1.•.Y,. ':u�%'tip If 24 '- �pFw o - rt S• ,r d •'S' i 4 � r �• .ly» i�..a""✓ma��yy .p r o �r':,r fi ' 1'.. .. '7�.,'jcy.k •^l�y•'1.: . J �\-31 1. - ••a' r � r•rf- :9 d � N = 14 I� V Ln aA d Bin � 3 � r. MR . 3P. , s SEGO INDU ALMA TENANCE LEM Construction Company,Inc. &CONMOLS,1NC.trT 10849 Ktnghurst,Sub 150 101s W.34th ME 7I Houston,TX 77M HOUSTON,TEM Ph:2BIA95-9550 713.066.7826 Fax:2OIA95-095 FAX 713-958.6193 RF! To, DominickTNpla �R:FAI f.,8 1 Atldne 1250 Wood Branch Park Drive Job:201U2 Baytown West District VAKP Exp suite 300 Phone: Houston,TX 77079 ph:(281)529.4273 Fax:(281)4934047 CC: Subject: Law Voltage Panel Capacity Drawing: spe4ecllon: Cost Impact None Schedule Impact:None Request: Date Required: please we the ate questions from our ElecWml Subcontractor. We have mat wtlh the FJecidcal En&a:r and discussed time Items,and will squire written dlrertion before vre proceed. It appears,In our cpinion,that the capacity for the MCG2-LVP and the 301(VATransformer Is undersized,and may require an upgrade. See attached questlon91-3 requirtng a response. Please advise. Requested by:WcahMlaon UM Construction Co,IrtQ Replies: r L Use spare circuits on LVP-MCC2 to provide power to the WAS and SCUM pump panels. Route 1-13. IN.conduit with 4#10 conductors plus ground from LVP-MCC-2 to MCC-2. erminate 2410 conductors for each panel to their starter compartments. From the starter compartments, use conduits WCP100 and SCP100 as shown In the original design. �.4---t?epdiFlg-re5pense#�ert�e�une�egaFdin�ture-picas-€eFsesurit�-ilgf�(Rg:Additlsl� =— ;;r;:l a e�utr a addi�ioacal-a pack -and.racy-a#fest.soucce.of pointer-f tbe9/r�rntt� 3.-----Motef-hentemmay-be-Mred rom•e-single-cimuit-at-WP-MG6-r-in this-saseraA se-OF IFG tit-- ._..—.b feakemw)l1.rtet-be-p"tdr.e"oweveh4e•instaiMep-shalt.use�ha4eRWnai-bledm-avalleble--- crsFto-seA#ntre:+�e-elreul�-- Jackson Keating,E.I.T. Answered by Shrader Engineering,Inc. 10/15/12 Company Dale Page 1 of 1 • r m l i8to Pr r a x � ATTACHMENT I .r. la j HP ' d 1 Rag 09919 - ig N f s all 55mg r N N N x . r a m a a! g Out ��q YJ f Micah Allison From; Micah Allison <malliison@lemconstrucdon.com> Sent Monday,August 06,2012 4:44 PM To: 'n-eeves@pumppowercom' Subject RE Baytown Electrical Re-Work Robert: We are clear to perform this work. Please have EG proceed with redesigning the panels to eliminate the starters in the two(2) panels that are onsite. Once the re-design is complete,we will have our electrician perform the work,and have EG approve the wiring to ensure warranty compliance remains. LEM authorizes Pump&Power to proceed with this work for an additional$2,400.00($1,200.00/ea)to the original P.O. I actually may have another Idea for the Effluent Pump panel to run by you and EG if it will be acceptable. Please call me when you get a chance. Micah Allison Project Manager LEE Construction Coo, Inc. 10949 Onghurst,Ste.150 Houston,Texas 77099 281.495-9SS0 PH 281.495-999S FAX a lisp a co ctia .co From: Roberti.Reeves[maiitn:meeves@pwnppower com] Sent:Fiiday,May 18,201211:56 AM To:malfimn@lemmnstructlon.com Su acb Baybwn Electrical Re-Work Here is the down and dirty drawing that we spoke about We can provide better drawings when we are released to do the work. Thank you, Robert J.Reeves Principal 713-783-8530- Office 713-783-1221 -Fax 979-292-9919 - Cell WWW�mpnower.com 1 tJ cc re os$� 2 � � A r Y & & ad -w ti -� CI r�tl u —^ �t-,Eid:.l kid ■ �:+ii iJ ii ii L','i:i u uLlii LI1,11r u re - -{ - 1 - purr �•� �� i 31i11 ., r v 7 4 T r � x , i i� cnsnl+b lompt ' �1=--• j � ea a r I ; F. .mod ® �r'i— :T•' ': �---- I �i 1 r. A {►as i r I kto Mrs ,.:rt p� :ems..--'T.}}'• � ® SH d" A®E R MEOW ® ENGINEERING ELECTRICAL • MECHANICAL • INFORMATION TECHNOLOGY REQUEST FOR INFORMATION(RFI)/CLARIFICATION RESPONSE FORM Date: October 9,2012 SEI Project No. 3271-UA RFI/CR: Influent Lift Station Control Panel Relocation Project: City of Baytown—West District WWTP Expansion (UA#E024-0520-903) Comments: 1. Influent lift station control panel will be moved from the MCC-2 building to the influent lift station. Control and wiring diagrams for relocation are attached. a. Remove unused starters and related 480V devices and wiring from Digi Gage control panel as shown in attached markups. b. Install control relays to replace motor starters in lift station control panel. c. Route 1 inch conduit with 2410 conductors plus ground from relocated Digi Gage control panel to MCC-2. d. Route 11/2 inch conduit with 22414 conductors plus ground from relocated Digi Gage control panel to MCC-2. e. Route 1 inch conduit with 22414 conductors plus ground from MCC-2 to the autodialer. 4 Response By: Date: October 09,2012 ackson Keating, E.I. . 800 Town and Country Blvd. I Suite 430 1 Houston,TX 77024-4562 1 www.shrader.net 1 0: 713.467.9961 1 F: 713.465.6502 MCC-2 BUILDING PROPOSED 1 1/2 IN. I I C, W/22-#14+ GND I AUTODIALER RELOCATED DIGITAL GAGE INFLUENT LIFT STATION I PROPOSED t IN. CONTROL PANEL W/22414+GND v � z v PROPOSED 1 IN. C, W/2410+ GND 480V TO DIGI GAGE EXISTING LVP-TRANSFORMER PRIMARY I CIRCUIT BREAKER. INSTALL NEW 15A, 2 POLE 480 VOLT I CIRCUIT BREAKER IN MCC 2 SPARE SPACE 4V OR 5V. m N g NOTES: 1. USE EMPTY SPACE IN MCC-2. Md O .•1 DIGI GAGE CONTROL PANEL 1 1/2 IN. C, W/22414+ GND ^MCC-2 RUM 008 AUTO I CR 007A START I RUN2 008 1-02 CR T AUTO I 007A.1 START RUNS 008 LP3 AUTO CR ( I 007A j START I RUN4 008 LP4 AUTO I CR - 007A START I RUN5 008 LP5 AUTO I I CR 007AI START I I RUN6 008 LP6 I AUTO I CR 007A START I RUNT 008 LP7 I I CR 007A AUTO S ART I RUN8 1 008 LP8 I AUTO CR 007A START I I DG I I HI T NOTES. LEVEL ( 1. ALL WIRING IS, DG PROPOSED LO LEVEL I UNLESS NOTED I OTHERWISE I FLOATHI T I $ LEVEL GND GND - DIGI GAGE - - 11 N. C, W/2410+ GND 15A MCC-2 I CONTROL I 4V OR 5V I PANEL 480V � I I � _ GND - _ - - - - - -GND � � _ _j � O I G t7 O I Is o la z TT TT TT TT TT.. TT TT TT TT T T I I I � I Z I I I I I of 00 0 0 CC3 I I I " O O 0 O O O O I I � I o I I zoowm J I _ Wz _ I w .. 3ILr w WW-Zt I a LL amo I n0 vJ OW aW ! F- c� c oilull z Baal OE�ve�oi Paz r- -vs�u�-sower a�w,-u - - - - - 01• SHQRr =ff Cua>+W RATING 1 4�LA A n oon®ai ilt, OfflUg{t 3W" u 13NP 4"K 43FU a MAMMIu e+oa+a4G N � i IMEA G 04• Cg MCN PER G G. } 11 ® TM 20L MO 0� KXP N0. CEvx4► a wo oral 0i- 3'� f ® 3M 3 m 0a 313 N0.3 IMP 313 124 FU (1�1 s 10. 49M AWO tM 40L 41 Et411A3i1 1 P1RtPN0.4 tOpNP ' 41U3 IN FLA 12- / 6 13• SUCP ` IAA® S Ot 511 Musa 14 WMRClWPRDTECM PLUMS ® WAMMMA 100NP PAOLOCKA81£NA9P 0 673 114 FLA f�I 15- • l�4 �1orE: G 18- fSi 1�RU41S161{PPCYAND iNBTALLBRANCHC{RCUIT 6Ao(3' FOA�9=�W F...^— aCL .m aFUlEfrf ACCO OFTH MATI1M43fNRHii � PIRMP ti- �li�l40P1NENAf1C11A1. � s00HP BAM=CME on In FLA W (6m4) G 19- SC T1Ci1lAGAAIVIfCOM'01 EG Controls,Ina ]acksanvW4:,FL DATE 2 23.11 REMMDRAWING NU>t�E1� 284614 &REEF: 13 OF 48 01• u � AWDs ® T m wum 03. PJAIP M 1Do u4 046 NOIOHCQiQDTPROTBETTOR PADLOCXNU WISP g sum 6i1 Bd. AM a6• HO.1 Im � it4 t4A CS=4) OUR 08- lie tFvpt1D11 as. s PPAM —o3 1a MCC —a 6 TR MSFORM1t CBM 12- L PA 13 Aoki 1CPT:3WA 'yy"' 4wtmvoLT SCB xU► gqO� "— s' xt 1 t9 14 114 4t0 10 — * AVWMG AW6 AM AWG ^ 15- 1SANPGMOUAL47tIG#P?AtIE (( xz 16• P71kamuwumg RYRDH FLIICRMCFMUMff Ia1V >Q 17• team wes DOOR MOSED) 16- G= ff*T CH t� Q{9DOPB4ttilBl COOR CtA6ED� _r SCHEMATIC DIABRAM MONM X2 t X1A EG Controls,Inc. 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ALODRBMASSOCfA EDALWHF83AY. to Is. t t� tnecR at _ � ; B 7`% VELUM 1T (S�ItDiE 9 1a INFLUENT PUMP CONTROL CHANGES ° (TYP I CAL) SH RAD ER =sPeamm; ENGINEERING ELECTRICAL • MECHANICAL • INFORMATION TECHNOLOGY REQUEST FOR INFORMATION(RFI)/CLARIFICATION RESPONSE FORM Date: October 15,2012 SEI Project No. 3271-UA RFI/CR: Effluent Lift Station Control Panel Relocation Project: City of Baytown—West District WWTP Expansion (UA#E024-0520-903) Comments: 1. Effluent lift station control panel-will be relocated from the MCC-3 building to the effluent lift station. Control and wiring diagrams for relocation are attached. a. Remove unused starters and related 480V devices and wiring from Digi Gauge control panel as shown in attached markups. b. Install control relays to replace motor starters in lift station control panel. c. Use existing conduit FLT100 to route 60414 control conductors plus ground from Digi Gauge control panel to MCC-3. d. Use existing conduit XDR100 to route 2410 power conductors plus ground from Digi Gauge control panel transformer breaker to MCC-3. Add 15A breaker at MCC-3 to supply 480V power. e. Route 1 in.conduit with 2410 conductors from pump junction box at effluent lift station to relocated Digi-Guage panel. f. Route 2 in.conduit with 60414 conductors from pump junction box at effluent lift station to relocated Digi-Guage panel. g. Route 1 in.conduit with 24414 conductors from pump junction box at effluent lift station to relocated Digi-Guage panel. h. Route 1 in.conduit with transducer cable from float transducer junction box at effluent lift station to relocated Digi-Guage panel. i. Route 2 in.conduit with 19414 conductors from float transducer junction box at effluent lift station to relocated Digi-Guage panel. Response By: Date: October 15,2012 ackson Keating, E.I.Y. 800 Town and Country Blvd. I Suite 430 I Houston,TX 77024-4562 1 www.shrader.net 1 0: 713.467.9961 1 F: 713.465.6502 J. ., oe. ILI w O ry ♦ w �'; ' O z ;• x O .,� U i - W- 2 W� 6 Mz� tox I 1 o d' W v o z '". CL �� O 6 W �E5 00 cn �3 t; V V A CL la. 1 1 LL- 1.. Ji W a I CD o Z oC �- I � � I Im Lv I z I � I p z Q I o I m Iz I Q a iN I � l ,n.'OorYmfor.�ctroaatn.wm: �w,moo„ar,�ua�ae-�aratoirrr�aa�ao �ATD 2 BUILDING ( F-MCG3— — — FLT100 DIGI GAUGE RUN1CR I l I I 1 1 I I I Maml 120V I ETM I ALM100 I I I I TYPICAL FOR I I I I I PUMPS I THRU 6 OVERTEMPII I I I I I OVER I ILO-1 OURRENTII I SEAL I FAILI I I I I I I I ( I OVERF—cl+ 120V I I ( CURRENTI n1 I I I I l I CR I I I I I I I I I I I I DIGI GAUGE I HI LEVEL I DIGI GAUGE I I I I I I I Low LEVEL I I I I I I I I FLOAT HIGH I I LEVEL I I I I I I 1 — GND_ GNO� y 1—M6C,3 15A XDR100 DIGI GAUGE 1480V ILi I I l I GND EFFLUENT LIF T FT STATION PANEL RELOCATION sf;tfarrFtOW In i 04 1 KWWM `��AUM m am I I ` NCH 1<t 1 XOD F TAL PAR FBAY i1B8TALLOFPAM E _ WAFM R1C8 4 MM lN• 1• 8 8 4 � OOX � RSgACEY0IQASTAF1181iV1it1 C011iftd FMV l� e + e w• 11A 1 � �f.�trvu�+taf t UMM 14 G 11- 171�11 6 7 1� a s fs __ for _ fntxn 8 7 YELLM 9 N f(} to 1 X'! EFFLUENT PUMP CONTROL CHANGES GS (TYPICAL) o1. au:rw. a 10 to tA1LT3Q1A1 1tACP Ll A O tt1 t�Ftuexr VOLT ]PHASE ONE U in 4ffC) N 04• Awe n ® w 20Lam • sax O& PRdiroL7lVE az SG 1� 0 40 s 07- Atac � ® ' sn EfFLlfBdf KW Ha a 3t2 4SIP 60 Fu as• / s to• � ma 10. T 4m ko.4 p.�-. 16W ti 18 RA 12- G 13- 66iCP 14- ® WINOMEMUP �tN18 PARO7ECIOR AYJO � � SOt P1111P Na b PAROCKA11 KASP GQ'� 75W SS FLA 16• R'�) �• G 1B- '"""IO]tiRi4TSUPPLYAND p1S MOPAMCOt= SYCP CVBWXfaW POli BW AlM 0�1 , SN S OL ACCOUARCBtYI1 IUMUMU 6 IT- EMONOFTtEBIiI MAX 672 HP Ei.ECMAL000L 03 SO A O�q 18• e 10• l2 U SC}{ DIAGM EG Controls,Inc. Jacksonville,FL DAM 3.29.11 MY ON: OMY"H mmk 205 sHM. 13 of Is o�• L, to 03. 04- 05. 07• oa• n: 09- Avg lox s. HUY t4• 4 y Awe AMC- TRU9FGRMPRMAFrf WE"IN 03 IQ of i3 ICFT.MA CONTROLFOM Ca'OWMAN �IIi0t{OLT i t811� W,clu m- n4 n0 n0 a JL AWO AWO Awe AWG _ 15• amiumum 18 ,SAII�6FCIOilFLDCRFH COON WOMWKEW WAM FL MREK LMW 79 70 IT- COCK CLUED) 1A- COON gwm:4 • pN3uoFa�t� am CLOBE� X,A SCHEMATIC DKORAM ICOHPD) Xi EG Controls,Inc. JacksonviUc,FL am-.Vail REVISION: J DM%I?QNttWM aws SHEEN: 14 of <B 1 X1A U Ot• � � FL0�11'OACI:UP61fSiB1PONf8t 7801 412 AWS OS ALARM CIRtxlit P09Y6t 04• O O72 cur Awe as. 08 x1 dli AM 01- 03 H18 lF4�R to- 1 IC XI s4tR tz � 1S• . 1M � 1St6CR 1a MAN u . erPAssm to ooHrRolPoweRaN 11• A 1a � Pl AM 19• R S{HBMM DlAGtAM MONrM X2 EG Controls,be.Jacksmvi7p1%FL DATA"11-11 1 RMIION MAWNG NU4A M 5616 1 &HM 11 01 48 ATTACHMENT J a � W _ � t � �� P � d � � F Y M +eE S� $ gg g � g g gp g 1 m � � � d � � � � � 3 r3 a � � a � � � � � m air � �a� � l 3 � � � 3� �� f d a wean e �N ��S a s=� 14 all as 4mCD z > As IL � z � � � M ggd 0 rp 1 t J Md pl F 6 00 $G pppp Q O pq M d 1 e! O `' W. o I: LEM Construction Company, Inc. 10849 lOnghurst.Subs 150 A. �j - a� Houston,TX 77029 Ph:281.495.9550 ' Fes:281.495.9995 RFJ To: Dominick Trupla RFI#:87 Was Date: 101302012 1250 Wood Branch Perk Drive Job:2011-02 Baytown West District WWrP Exp Suite 300 Phone: Houston,TX 77079 Ph:(281)529.4273 Fax(281)493-1047 CC: Subject: Additlonal Low Voltage Panel&XFRMa In MCC 01&MCC#2 Drawing: N/A Spec Section: Costlmpaet» None Schedule Impact: None Request: Date Required: In partial response to RFI#82,the Enginear stated that there was limited Information to correctly answer the rsst?ing on an additional panel for the MCC#2 bldg. We feel strarely that an additional panel Is required both here,and also In the MCC#1 Bldg as well. The A1C Units approved and delivered are low voltage 230v feeds,and the existing XFRM and Penal Is too crowded already to accept the amperage of the new A/C Units. We propane to add an additional 125 AMP panel and 30 INA single phase Transformer next to the existing panel and XFRM to accomodate the loads needed to power the A/C units. Additionally,there are fluid detection systems for the Moyno pumps needed In order to operate the pumps per the menufachuem guidance. These Instruments mclulre 115v power. Wb propose to add an addillonal 200 AMP penal and 45 KVA XFRM in the MCC 02 room to sceomodate the power to time instruments,the power feeders for the SCUM&WAS Pumps as answered in RFI#82,and to also lighten the amperage loads we suspect Is already in question In this Wdling. Please advise. Requested by: MicahAlllson LIEN Constructlon Co,Inc. Response: Install an additional 3 phase,480:208/120,45KVA transformer and a 3 phase,208/120, 125A panel near the existing panel in the MCC-2 building. This additional transformer should be sized to accommodate all additional loads required by this RFI. This includes the SCUM and WAS pump control panels,the Moyno fluid detection systems and the additional security lighting. The MCC-2 building AC circuits may also be routed to this panel. MCC-1 room panel will be addressed in Thursday's meeting after existing panel load is measured. Answered by Chal W.Shrader,P.E. Shrader Engineering Inc. 11/8/12 Company Date Page 1 of 1 ATTACHMENT K S r l t Q 4d � CI In �- -1 r• �� $ op _8zo r 1 8 LEM Construction Company, Inc. 108491Qnghurst.Suite 150 } a Houston, TX 9 9099 fl ?,i't 550 Fax:281.495-9995 RFI To: Domtnldc Trupia RFI M B3 Alldns Date: 10/1012012 1250 Wood Branch Park Drive Job: 2011-02 Baytown West District WWrP Exp Suite 300 Phone: Houston,TX 77079 Ph:(281)5294273 Fax:(281)493-1047 CC: Subject: OCP for Scrawpactor Panel at Headvxrks Drawing: Spec Section: Cost Impact: None Schedule Impact: None Request: Date Required: See the attached question from our Electrical Subcontractor regarding the need for Over Current Protection. The electrical drawings do not indicate that there two(2)CP's on top of the headworks structure. However,the equipment supplier has suppled one panel for the Sarscreen,and one panel for the Screwpactor as part of the original bid pricing. There Is no OCP indicated for this additional Screwpactor panel,however,it must be installed to complete the working system. Please mveiw,and Indicate how the Engineer wishes to Include the feeders for this additional panel with the current MCC gear. Please advise. Requested by: Micah Allison LEM Construction Co,Ina Response: Route new lin.conduit with 246 conductors plus ground from Bar Screen Panel to Screwpactor panel. Connect Screwpactor panel circuit breaker in parallel with Bar Screen panel circuit breaker. Jackson Keating,E.I.T. b Shrader Engineering, Inc. October 15, 2012 Company Date Page 1 of 1 j I . i ATTACHMENT L , �.f t � w Jill lim-11 1111111111111 4, 111 ,111111mmi ls � � � 8 $ g a $ nww Rik ��n� iri X G 2 Jab MW-BOOM G*dar Pump taedera p Job 0-SwAUM Gztndar pump teedere 1 VfiM210:W.10 AM ,.'tlb 1 pdm Sumftulfy value % Abnm .a �l 517a01L Qambaae Mabaw 1.8H1.03 51.286 _.. OMO INDUBTRIAL uMNmmm MatuM T0l 4 1.M.03 61.286 _ $OONML%INC. DkW Labor Bwdm&FdMea 2" &M KOUI Mf4,TWB 7M8 hWhaodLabor 10.88 0.332 7184W7888 bashed Labor&mien a 1.31 0.040 FAX 7188"98 leborTabW 932.08 2M36 pfteppgt _ _ 2,893A8 79.710 g' ToW Owmhead M 31 'Sim P—K j,�SY'L. �/ilk P Cob lm",Pifr� 11et ODd -- Z,62 m 88.288 Total PMFA 361.20 10114 gdft pie 3.2T A 100= _^. t�arEi�Raea95 100.o0a � iJ'�S, oW Labar Haws _ 20A Aymap LebartatpwHour 31•70 �?Pas, UP*4•S � N }'ICL� 1rntlZl�Cti a��y - V5 q LEM Construction Company, Inc. ISO 1084910nghurst,SuRe 160 Houston,TX 77M Ph:201.4954MO Fax 281-495.9995 RR -� To: Dominick Tnrpla RFl 9.86 Atkins Date: 100l2012 1250 Wood Branch Park Drive Job: 2011-02 Baytown West District WWrP Exp SuRe 300 Phone: Houston,TX 77079 Ph:(281)529�4273 Fax+(281)493-1047 CC: Subject Grinder Panels Drawing: E-24 Spec Soction: Cotltimpact: None Schedule Impact:None Roqueft Onto Roqulred: There are no Grinder control panels called for on the contract dmWrtgs,yet the approved submrttai shows three(3)spedtic contort panels far each of the grindere requiring 480v power. The MCC gear was approved end delivered with VFD starters for those grinders. However,the vendorwisheslouse their owns control panel and starters forwarranty purposes rather than the starters In tha MCC gear. Please see atiachad RFI from otm electrical subconimctor identifying the Isus and a path forward. To avoid warranty Issues,LBA wishes to be approved to remove ilhe VFD sections horn the gear,Install beink sections,and pmvtde circhrt breakers to provide 480v power to the control panels for the Grinders. Please advise. Requested by: Micah Afton LEM Construction Co,Inc. Response: The proposed action described is an acceptable solution. Answered by Chal W.Shrader,P.E. Shrader Engineering,Inc. 11/8/12 Company Date Pago 1 of 1 ATTACHMENT M LEM Construction Company, Inc. 10849 IGnghurst,Suite 150 Houston,TX 77099 Ph:281-495-9550 Fax 281-495-9995 Change Request To: Dominick Trupia Number. 14 Atkins Date: 9121112 1250 Wood Branch Parts Drive Job: 2011-02 Baytown West District WWTP Eqr Suite 300 Phone: Houston,TX 77079 Ph:(281)529.4273 Fax:(281)493-1047 Description: Sidewalk Between Existing Blower Building and Existing Treatment Unit We are pleased to offer the following pricing to make the following changes: This proposal is to construct approx.1,485sgft of sidewalk per the following scope of work and specifications: 1)Excavate the spotis from the site area and remove one(1)8'x 13'concrete pad 2)Concrete spoils will be hauled of the site and all soils will be spread on site 3)Redwood joints will be placed along all perimeter concrete to establish an expansion between the new proposed surface and the existing 4)Dowels will be set in all adjoining concrete paving and sidewalk using 94 rebar®18"O.C. 5)2"of bedding sand will be placed prior to installing the mat steel 6)A rebar mat will be placed using 03 rebar secured 18"O.C.E.W. 7)Cast a 3,000 psi mix design concrete throughout the space and finish with a medium broom The total amount to provide this work is.................................................................................................. $16,309.50 (Please refer to attached sheet for details.) The schedule is not affected by this change. If you have any questions,please contact me at 281-495-9550. Submitted by., Hunter Howard Approved try: LEM Construction Co.Inc. Date: Cc: Page 1 of 2 L.EM Construction Company, Inc. 10849 Ianghurst,Suite 150 Houston,TX 77099 Ph:281-495-9550 Fax.281.495-9995 Change Request 14 Price Breakdown Continuation Sheet Description: Sidewalk Between Exsdng Blower Building and Existing Treatment Unit Description Units Labor Material Equipment Subcontract Other Price Install approx.1485 SF of 4" Ills $14,365.00 $14.365.00 concrete sidewalk Subtotal: $14.365.00 Labor Burden $0.00 Eqpt Service&Repair 50.00 GC Overhead&Profit 50.00 GC Profit on Subs $14,365.00 5.00% $718.25 Bonds&Insurance $15,083.25 1.50% 5226.25 Total: $16,309.50 Page 2 of 2 T T .1. & Construction 204 PRESTON�. PASADENkTEXA9 T7603 CONCRETE CONTRACTORS 713 4n4MM Proposed Change Order Lem Construction September 13,2012 10849 l{inghurst suite 150 Houston,TX,77099 Phone:281495-9550 Fax:281-495-9995 Email:hhowardMemconstruction.com Attention:Hunter Howard Reference:Proposed Change Order City of Baytown WWTP (West District)Sidewalks We are pleased to provide the following quote and scope of work for the Proposed Change Order City of Baytown WWI?(West District) Sidewalks in Baytown,Texas.This proposed change order makes provisions for material,labor,equipment,insurance, and supervision to construct and or perform the following,per your request and the scope of work listed below. Sidewalk Installation **To construct approx.1,485sgft of sidewalk per the following scope of work and specifications: ➢ Excavate the spoils from the site area and remove one(1)8'x 13'concrete pad ➢ Concrete spoils will be hauled of the site and all soils will be spread on site ➢ Redwood joints will be placed along all perimeter concrete to establish an expansion between the new proposed surface and the existing ➢ Dowels will be set in all adjoining concrete using#4 rebar @ 18"O.C. ➢ 2"of bedding sand will be placed prior to installing the mat steel ➢ A rebar mat will be placed using#3 rebar secured 18"O.C.E.W. ➢ Cast a 3,000psi mix design concrete throughout the space and finish with a medium broom ALL FOR THE SUM OF.............................................. $14A65.00 Team:EnUMslve draws—by the 25* Notes: 1. This quote is good for 30 days. 2. Sales tax has been cLduM from this quotation. 3. T&T Construction vM supply all material 4. To de owner supplied steel=ADD$13,M.00(rod busting labor). S. Contractor's responsibility,liability,and duty to clean up and otherwise respond to any release into the environment of pollutants,hazardous substances,and/or hazardous wastes shall be limited to cheraicals,fuels,lubricants,motor oils,pipe dope,paint, solvents,ballast,bilge and garbage,debris,other fluids,or any other substances,that are brought onto the site by Contractor and are wholly under Contractor's control,or origination from Contractor's Equipment & Construction 204 PR TESTON R0. PASADENA,TEXAS 775M CONCRETE CONTRACTORS 713.477 g660 Exclusions: ➢ Plans,permits or surveying ➢ Sales tax ➢ Off site hauling or job site trash or dirt ➢ Storm water pollution prevention,compliancy or devices ➢ Excavation and or backfill for other trades ➢ Unforeseen underground obstructions ➢ Material or lab testing ➢ Embedded items other than rebar ➢ Underground conduits ➢ Curbing ➢ Landscaping fill material,irrigation sleeves,or sod work ➢ Joint sealing,signage,striping,or car stops ➢ Concrete sealers,stains,and colorings ➢ Any or all items not specifically listed in the above quote and scope Should you have any questions or comments about the above listed quote,please contact me at your convenience. Thank you for this opportunity and I look forward to working with you in the very near future. Respectfully Yours, Bryan Collins "Generations of Strong Foundations" ACCEPTED BY DATE CITY OF BAYTOWN Change Order No. 5 West District WWTP Expansion BAYTOM December 3, 2012 Brief Description of Changes: [See Attachment A. Add or Delete Items: Item Description Unit Quantity Unit Price Total 1 20"BFV in Header LS 1 $14,168.82 $14,168.82 2 Belt Press Controls LS 1 $47,293.23 $47,293.23 3 Add Pol mer Pump Installation LS 1 $8,019.58 $8,019.58 4 Add Site Lighting&Blower Wall Packs LS 1 $208,186.60 $208,186.60 5 Sample Station LS 1 7,592.911 $47,592.91 6 Drain Lines LS 1 $144,920.27 $144,920.27 7 Scum Controls, Power, &Space Heaters LS 1 $12,187.68 $12,187.68 8 Move US&Eff P/S Panels LS 1 $89,913.29 $89,913.29 9 Add LV Panels&XFRMS LS 1 $35,741.97 $35,741.97 10 Screwpactor Panel Power LS 1 1 $4,162.48 $4,162.48 11 Grinder Starters Removal LS 1 $5,167.321 $5,167.32 12 Concrete Btwn Blower Bld &Treatment Unit LS 1 15,309.50 $15,309.50 Total $ 632,663.64 Contract Summary: Original Contract Price $18,893,900.00 Previous Change Orders $456,569.39 This Change Order $632,663.64 Revised Contract Price $19,983,133.03 Original Contract Duration-Calendar Days 730 Previous Time Extensions 30 This Change Order Revised Contract Duration-Calendar Days 907 �&44� dLL*0'4 1,9�L Z-D Cc I Z' LE I{�r'uction'Co„ Projec Manager Date ector Engineering Date 2-1 JJ �j Director of Finance Date 4ity Manager Date Atkins, Project Manager Date