Whiting Media Addendum No 1.pdf
PDF 202 KB Posted
- Solicitation number
- BD-19-1306-NADPW-NADPW-39297
- Issued by
- Bristol County, Massachusetts
About this file
This document is an addendum to the bid documents for the "Removal and Installation of Filter Media and Filter Rehabilitation" project issued by the Town of North Attleborough, Massachusetts Board of Public Works. The addendum revises the bid due date, provides clarification on the removal and disposal of the spent media, and includes additional bid items such as sandblasting and coating of the filter interior, filter media analyses, and a repair allowance. The project overview includes the removal of the existing spent media, transport and disposal of the spent media, welded pit filling, epoxy pit filling, seam welding as needed, recoating the filter interior, and installation of new filter media in one greensand filtration vessel. The amended bid form provides the various line items and quantities for the requested work.
The bid form includes pricing for the various tasks, including mobilization and demobilization, media removal, disposal of spent media, interior filter cleaning, seam welding, welded pit filling, epoxy pit filling, installation of media, 15% sodium hypochlorite, manway gaskets, sandblasting and coating of the filter interior, filter media lab analyses, and a $10,000 repair allowance per the direction of the Town. Bidders must acknowledge receipt of this Addendum No. 1 by submitting the amended bid form.
View the file
Other files
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
TOWN OF NORTH ATTLEBOROUGH, MASSACHUSETTS
BOARD OF PUBLIC WORKS
MICHAEL S. THOMPSON, CHAIRMAN 49 Whiting Street, North Attleborough, MA DONALD CERRONE, VICE CHAIRMAN Telephone: (508) 695-9621 JOAN MARCHITTO, MEMBER Fax: (508) 643-0568
MARK L. HOLLOWELL, DIRECTOR www.north-attleboro.ma.us
May 27, 2019
TOWN OF NORTH ATTLEBOROUGH, MASSACHUSETTS
REMOVAL & INSTALLATION OF FILTER MEDIA and FILTER REHABILITATION
WATER DIVISION
ADDENDUM NO. 1
The following addendum shall be considered as part of the Bid Documents for “REMOVAL AND
INSTALLATION OF FILTER MEDIA AND FILTER REHABILITATION” for the Town of North
Attleborough, Massachusetts:
1. INSTRUCTION TO BIDDERS OF DATE CHANGE page 2: Bids are due by Wednesday June 5, 2019 at
11:00 AM at which time the bids will be opened and read aloud.
2. REQUEST FOR CLARIFICATION Page 6 REMOVAL OF MEDIA, GRAVEL AND RETAINING
SCREENS which reads: “The Contractor shall remove the anthracite and greensand from the filter, transport and dispose of it in accordance with waste disposal regulations. The gravel bed retaining screens must be carefully removed from each of the three cells to the prevent damage to the screens. RESPONSE:
a. The Contractor shall be responsible for analyses of the spent media for compliance with disposal waste regulations; b. The filter screens needs to remain intact as they will be used for a template for the replacement screens ; c. The Water Superintendent will conduct an inspection of the underdrain system to determine if any additional work is required.
3. Page 10 AMMENDEND BID FORM – Submittal of the Ammended Bid Form shall be acknowledgement of receipt of Addendum 1.
Bid Form Additional Items Items added:
a. Sandblasting and Coating of the Filter Interior
b. Filter Media Analyses
c. Repair Allowance of $10,000 per dirction of the Town
AMMENDED BID FORM
Item No. Item Description and Unit Price Units Quantity Price per Unit Extended Total
1 Mobilization & Demobilization LS 1 $___________ $___________
2 Media Removal LS 1 $___________ $___________
3 Disposal of Spent Media LS 1 $___________ $___________
4 Interior Filter Cleaning LS 1 $___________ $___________
5 Seam Welding LF 10 $___________ $___________
6 Welded Pit Filling EA 30 $___________ $___________
7 Epoxy Pit Filling GAL 30 $___________ $___________
8. Installation of Media LS 1 $___________ $___________
9. 15% Sodium Hypochlorite GAL 100 $___________ $___________
10. Manway Gaskets EA 3 $___________ $___________
Sandblasting & Coating of the
Filter Interior
EA 1 $___________ $___________
12 Filter Media Lab Analyses EA 1 $___________ $___________
13 Repair Allowance – Allowance per direction of the Town $10,000 $ 10,000
TOTAL: $_________________
TOTAL IN WORDS
Signature of Authorized Representative Name of Firm (Please Print)
Address
Telephone Number
Fax Number
File details come from the government source that posted it. Updated .