Whiting Media Addendum No 2~1.pdf

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

June 3, 2019

TOWN OF NORTH ATTLEBOROUGH, MASSACHUSETTS

REMOVAL & INSTALLATION OF FILTER MEDIA and FILTER REHABILITATION

WATER DIVISION

ADDENDUM NO. 2

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. FILTER INTERIOR SURFACE PREPARATION AND REPAIR , Page 6; Request for Clarification:

The Town of North Attleboro does not require an ASME “Code Stamp” or a National Board “R Stamp”

2. REMOVAL OF MEDIA, GRAVEL AND RETAINING SCREENS, Page 6; 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. The gravel bed will be removed by the Contractor and unloaded on site to an area adjacent to the work site.

Addition: Equipment used in the transportation of the spent media must take the necessary precautions to prevent any media or residual from spilling while transportating to a disposal location.

3. REQUEST FOR STARTUP CLARIFICATION: The Town is responsible for activating Filter No. 1 into the water distribution system including blending the water with the two filters that are in service.

3. Page 10 AMMENDEND BID FORM – Acknowledgement of Addendum 1 and Addendum 2 added

AMMENDED BID FORM 2

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)

ACKNOWLEDGEMENT OF ADDENDUM

Addendum 1 __________________ Address

Addendum 2 ___________________ ____________________________________

Telephone Number

Fax Number