Oak Ridge Meadows Lift Station Refurb - Addendum #1.pdf
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- Attached to
- Oak Ridge Meadows Lift Station Refurbishment
- Solicitation number
- #ITB-WW-24-03
- Issued by
- Livingston County, Michigan
About this file
This document is an Addendum No. 1 issued by the City of Brighton Wastewater Division for the Oak Ridge Meadows Lift Station Refurbishment project (ITB-WW-24-03). The addendum supplements the original bid documents and introduces two key modifications: the requirement to replace the 100 amp main disconnect switch and a project completion deadline of June 30, 2025. The addendum also indicates that additional specifications and drawings have been included with this update, which bidders must incorporate into their proposals.
The addendum is part of a formal invitation to bid process for a wastewater infrastructure rehabilitation project. While specific pricing details are not provided in this document, the addendum suggests that contractors should review and integrate the new requirements into their existing bid proposals. The document is dated September 16, 2024, and provides technical clarifications to ensure potential contractors have the most up-to-date information for preparing their submissions for the lift station refurbishment project in Brighton, Michigan.
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| File | Type | Posted |
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| Oak Ridge Meadows Lift Station Refurb - Bid.pdf |
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Text version
420 S. Third St., Brighton, MI 48116 l 810-225-8001
City of Brighton
WASTEWATER DIVISION
September 16, 2024
OAK RIDGE MEADOWS LIFT STATION REFURBISHMENT
#ITB-WW-24-03
ADDENDUM NO. 1
It is understood and accepted that the work of this Addendum shall supplement and form a part of the original Specifications, Drawings, General Conditions, Special Conditions, Instructions to Bidders, and all stipulations thereof.
This Addendum is issued prior to the receipt of bids and the intent thereof is to record and insert certain changes, additions, and clarifications of the contract documents. All items shall be considered in connection with the various Contractors’ Proposals.
The following shall be added to the “DETAILED SCOPE OF WORK” and “ADDITIONAL CONTRACT
REQUIREMENTS” beginning on Page 16 of the original bid.
Replace 100 amp main disconnect switch.
The project must be substan ally completed by 6/30/25.
The addendum also includes addi onal specifica ons and drawings.
,,,ENGINEERING ORDER
Serial No. 97-4839-A
Dare: 5/12/97 DJ Revisions: 7/21/97 rp
GORMAN-RUPP ENGINEERED SYSTEMS EQUIPMENT
PUMP DATA
PUMP PERFORMANCE APPLIES TO EACH PUMP EXCEPT WHERE NOTED:
Design Characteristics (G.P.M.@ T.D.H.): ........ . .. .... ..... . . . ....... . ........ . . ...... 398 @62' Priming Lift: .................................. . ..... . ... . .......... : . ..... ... .. ... .. . ... 18. 7' Total Dynamic Suction Lift: ......... .. . . . .. . . . ... . : .......... . • .. ... ... . . ... ... ... .. • .. .. . . 21.4' N.P.S.H. Required: ............... . .... . ... . ...... . ...... . .. . .. . ... .. ... . .. .... ....... .. ... . 5' Excess N.P.S.H. Available, With 3' Safety Factor: ..... . . . . .. • : .... • ...... . . . ... .. •• ........... . . 3.2 ' Pump Model No.: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T6A3-B Impeller Diameter: ..... : .. . ... .. ... . .. . . .. • .. . . .. ... . .. . . . . . •. ...... • . ..... , .. .. . . .... 12-318 • Impeller Speed: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 180 RPM
MOTOR NAME PLATE DATA
PUMP MOTOR DATA APPLIES TO EACH PUMP MOTOR EXCEPT WHERE NOTED:
Horsepower:
Motor Wired: Phase/Hertz/Volts: ... • . .. ... . .... ..... .... . . . . ... . • . .. . . . ........ • .. .. . . . . 3/60/460 Service Factor: .•. . .................. . ... _ ... . . ... . ...... .. ... . ....... ••. ........ . .. . . . ... 1.15 Locked Rotor Code: . .. . . . . .. . . .. . .. . .. .. . . . .. . . . . .. . . . . .. . .. . . .. . . . . .. .. .. . . .. . . . . . .. . . .. . . G Frame Size: . . .... . . . ....... . .... . ... .. ... .. .... .. . . . . : . ........ . ...... . . . . _ .. . . ......... . 256T Enclosure Type: ......... .. . • .. . .. • .... • . . ...... .. . . .. . . ... . ... • ............ . ...... . ..... ODP Insulation Class: ... . . . . .. . . . ... . .. .. ... ... . ... .. ... ... ... • . .. .......... • ........ . ........... F Manufacrurer: . . .. ... .. . .... ... . .... ....... . . ..... .. . .... .. .. .. : .. . . .. . ...... . .. GORMAN RUPP Ambient Rating: ....... . .... . .... . ... . . . . ... . ....... .. .. ..• .. .. ..... . . . . . ... .. ....... .. .. 40°C
Note: A supplement sheet will be provided in the O&M Manual with the following data:
PumpS/N's MotorS/N's
Motor Full Load Amps
Motor Full Load R.P.M.
Motor Overload Heater Elements Engine SIN (When Applicable)
FOR PUMP/MOTOR MODIFICATIONS & OPTIONS, REFER TO SECTION TITLED: MODIFICATIONS & OPTIONS
Gonruin-Rupp Enainoered Systems Th<: Oonnan-Rupp Company, P.O. Box 1217, Mansfield, Ohio44901
419 7SS- I0II
REP.AIMING LIFTS
55-
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Imp. Ola. 123/,"
RPM VARIOUS •
"O m :0
120 .._ .._ IIP4r ,tOCH, I
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650 rpm 8 feet - 750 ,pm 9 feet . 850 rpm 12 feet - 950 1pm 14 feet IOSO•pm 181eel- lt50,pm21 leet 1250 rpm 21 feet - 1350 rpm 22 fool 1450 rpm 23 feet - 1550 rpm 2S feel Figure NPSH required prk>r to using above tabl1t. 00 NOT uae H avallabto Suction lllO. ~---------
/ -~o , ----------------------
Max. Solids 3" ~
1($f PEAFORMANCE ,o• f ci.11 ••1tr •t H• k'fll ◄ .S foot hOtliontM olhet with
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