IFB-2013-052-220B Addendum No 1 - Loudoun Water

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REQUIRED UNDER THIS CONTRACT FOR THE DURATION OF THISCONTRACT.”3. Drawings G-I-C65 and G-I-C163 to G-I-C170. Change the sanitary force main from 12”Ductile Iron (DI) to 12”-PVC except the following locations to remain 12”-DI withrestrained transition pieces to adapt to PVC on each end: stations 0 to 15+00, 21+00 to28+80 , 60+00 to 66+00, 80 to 83+00 and 105+00 to 106+00.4. Drawing G-I-C85, Detail D. Add two columns for 11.25 degree bends, with samereinforcing and concrete as shown for 22.5 degree bends.5. Drawing G-I-C87, Note 3. Insert the following at the end of Note 3:“CATHODIC PROTECTION IS ALSO REQUIRED ON ALL DUCTILE IRONPORTIONS OF THE SANITARY FORCE MAIN (SHEETS G-I-C65 AND G-I-C163TO G-I-C170) WHERE NOT CONCRETE/GROUT ENCASED.”6. Drawing G-I-L3. Near position C-1.6 on the sheet, replace “FLAGPOLE (BYOTHERS)” with:“FLAGPOLE (TYP 3, PER SPEC 10350)”.7. Drawing O-I-M25, Note 1. Replace “UNDER BID ALTERNATE “A”. THESE ITEMSSHALL BE REPLACED BY 36” SPOOL PIECE PIPE SEGMENTS UNDER ADDALTERNATE “2A”. REFER TO THE BID FORM” with“UNDER THE BASE BID” since UV is NOT a bid alternate.8. Drawings O-I-E28 and O-I-E29. Delete all references to “BID ALT” and“ALTERNATE BID ITEM” in two places on each sheet. The UV Equipment System isto be included in the base bid. It is not a bid alternate.9. Drawing O-I-E38. Near position F-3 on the sheet, delete the photovoltaic panels andconnected inverter and data logger. Also delete the Note 2 about the photovoltaic panelsnear position H-1 on the sheet. The Solar Photovoltaic Equipment System has beenremoved from the bidding documents altogether.10. Drawings W-I-M3, W-I-M4, and W-I-M5. Insert the following note:“SEE W-I-M1 FOR GUARDRAIL REQUIRED AROUND ENTIRE TANKPERIMETER.”11. Drawing O-I-E9, add the following Note:“CONTRACTOR SHALL PROVIDE TWO, DUPLEX NETWORK OUTLETS WITHJACKS IN THE OZONE GENERATION ROOM BY THE NORTH AND SOUTHENTRANCES, USING ¾” CONDUIT AND 2 CAT-6 CABLES PER OUTLET TO
CONNECT EACH PORT TO THE FIBER COMMUNICATIONS ENCLOSURE FCE-O LOCATED IN THE ELECTRICAL ROOM IN THE FILTER BUILDING.”12. Drawing G-I-E42. Add two, duplex network outlet connections to the OperationsBuilding for the Ozone Generation Room. The outlets shall be connected to the FiberCommunications Enclosure FCE-O using ¾” conduit and 2-Cat-6 cable per outlet.13. Drawing G-I-E10: Provide a duplex network outlet with jacks in the Ozone GenerationRoom by the north entrance. Outlet shall be connected back to the Fiber CommunicationsEnclosure FCE-O located in the electrical room in the filter building.14. Drawing G-I-E11: Provide a duplex network outlet with jacks in the Ozone GenerationRoom by the south entrance. Outlet shall be connected back to the Fiber CommunicationsEnclosure FCE-O located in the electrical room in the Filter Building.15. Drawing G-I-C70. Route 4”-PW-DI on east side of Pre-Ozone Building into building.Route water line out of building to ORW wyes.16. Drawing C-I-M1. Re-label CATS Pump No. 1 as:“FUTURE CATS PUMP NO. 1” and show as dashed line.17. Drawing C-I-M1. Extend hatching for Wet Pipe Protection System, Ordinary Hazard,Group 2 over Fire/Water Room in northwest corner of Chemical Building.18. Drawing P-I-S1. Align lift hooks over pipe centerlines.F. PART 6 – INFORMATIONAL ITEMS1. The Pre-Bid Conference will include a site visit (meeting at Loudoun Water ASF from 9-10 AM followed by a site visit from 10 AM – 12 PM.2. The Solar Photovoltaic System has been removed from the bidding documents altogether.3. The UV Equipment System is now part of the base bid.4. Electronic version of documents are available at the following link:http://www.loudounwater.org/Business-Customers-and-Partners/Bids/Open-Bids/5. Question No. 1: We are interested in bidding these two projects for Division 28, accesscontrol and video surveillance, but can’t find any specifications in the bid package. Isthis scope of work released for bidding?Answer: The Water Treatment Plant and Finished Water Transmission - Phase I project,IFB 2013-052-220B, does not have a division 28 specification. The video surveillancesystem for the WTP security will be specified and added at a later date using the SecuritySurveillance System allowance in the bid form.
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Page 3: 9. Section 02616 (Ductile Iron Pipe

IFB-2013-052-220B Addendum No 1 - Loudoun Water

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