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Bid Number: DWSP 2010-04
Bid Title: Addendum No. 1 Mokuhau Well 503
Category: Goods - All non vehicle goods
Status: Closed

Description:

ADDENDUM NO. 1
IFB # DWSP 2011-04

FURNISH OF LABOR, TOOLS, MATERIALS, EQUIPMENT NECESSARY TO REMOVE ONE (1) PRODUCT LUBRICATED PUMPING UNIT, ALL LINE SHAFT BEARINGS, DISCHARGE HEAD, SOLE PLATE ELECTRIC MOTOR, AND ASSOCIATED COMPONENTS FOR MOKUHAU WELL 503, LOCATED IN WAILUKU, MAUI, (STATE WELL ID# 5330-11) FOR THE DEPARTMENT OF WATER SUPPLY, COUNTY OF MAUI

September 30, 2010

TO ALL BIDDERS:
The following is a clarification to the Bid Proposal of the document. Bidders are required to incorporate all necessary changes, additions, or deductions in their proposal.

THE FOLLOWING CHANGE:
3.1 Purchase and deliver one (1) new pumping unit, discharge head sole plate, including premium efficiency motor (Refer to Section ORDERING OF PUMPING UNITS, DRAWINGS AND DATA SHEETS” and “PUMP ASSEMBLY”)

8.2.8 Horsepower 500HP (existing)

9. PUMP ASSEMBLY

The pumping unit shall be designed for pumping potable drinking water. The pumping unit shall be manufactured by Layne 5K6328, Floway or approved equal. The pump shall be engineered and manufactured in its entirety under the certification of ISO-9001:2000 and ISO 14001. The pump shall be furnished by and be the product of one manufacturer.

9.9 Column Pipe: The column pipe shall be seamless and furnished in sections not exceeding a nominal length of 10 ft and shall be connected by threaded-sleeve couplings compatible and interchangeable to existing installation. The pipes shall be Schedule 10 steel conforming with ASTM Designation A53 grade B steel pipe coated with zinc inside and out by the hot-dip process, or as approved by the Department. The inside diameter of the pipe shall be such that the head losses shall not be more than 6 feet per 100 feet of pipe based on rated flow of the pump.

CHANGE TO:
3.1 Purchase and deliver one (1) new pumping unit, discharge head, sole plate, including premium efficiency motor (Refer to Section ORDERING OF PUMPING UNITS, DRAWINGS AND DATA SHEETS” and “PUMP ASSEMBLY”) See attached drawing.

8.2.8 Horsepower 600HP (existing)

9. PUMP ASSEMBLY

The pumping unit shall be designed for pumping potable drinking water. The pumping unit shall be manufactured by Layne 5K6328, Floway or pre-approved equal. The pump shall be engineered and manufactured in its entirety under the certification of ISO-9001:2000. The pump shall be furnished by and be the product of one manufacturer.

9.9 Column Pipe: The column pipe shall be furnished in sections not exceeding a nominal length of 10 ft and shall be connected by threaded-sleeve couplings compatible and interchangeable to existing installation. The pipes shall be Schedule 40 steel and conform to ASTM Designation A53 Grade B Type E with tensile strength of 60K PSI minimum and yield strength of 35K PSI minimum. It shall be steel pipe coated with zinc inside and out by the hot-dip process, or as approved by the Department. The inside diameter of the pipe shall be such that the head losses shall not be more than 6 feet per 100 feet of pipe based on rated flow of the pump.

Publication Date/Time:
10/1/2010 7:45 AM
Closing Date/Time:
10/13/2010 10:00 AM
Addendum Date/Time:
October 1, 2010
Contact Person:
Ken Bissen Jr
Business Hours:
7:45 am to 4:00pm
Fax Number:
808-270-7136
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