HomeMy WebLinkAboutBID 8151318_Addendum 2CITY OF BOZEMAN, MONTANA
MUNICIPAL GROUNDWATER TEST WELLS
PROJECT: 8151318
ADDENDUM 2
Addendum 2, Item 1
The closing date & time for bids is extended by one week. The revised closing date &
time is Wednesday, April 13, 2022 at 2:00pm (Mountain Daylight Time). The
requirement that bids will only be received and accepted via the online, electronic bid
service, QuestCDN, remains.
Instructions to join the bid opening via WebEx have been updated as follows:
*** Please note that this WebEx link and phone numbers to join the bid opening
supersede the information provided in the Invitation for Bids and Item 7. Opening of
Bids, in the Instructions to Bidders ***
Join from the meeting link
https://cityofbozeman.webex.com/cityofbozeman/j.php?MTID=mcbef04cae9d875949d9fdc730c94d720
Join by meeting number
Meeting number (access code): 2569 764 0005
Meeting password: TestWells
Tap to join from a mobile device (attendees only)
+1-650-479-3208,,25697640005## Call-in toll number (US/Canada)
Join by phone
1-650-479-3208 Call-in toll number (US/Canada)
Join from a video system or application
Dial 25697640005@cityofbozeman.webex.com
You can also dial 173.243.2.68 and enter your meeting number.
Addendum 2, Item 2
Within the Project Description in the Invitation for Bids (page 1 of 4), strike the 2nd
sentence which states:
The Test Well will be drilled first followed by the Monitoring Well at locations on the site specified by the engineer.
Addendum 2, Item 3
Within the Bid Form, the Monitoring Well Bid Items #10, #11, and #13 have been
updated. The following bid table for the Monitoring Well is provided, and includes the
revised bid items (10, 11, and 13) as well as the items that remain unchanged (12, 14,
and 15). The updated bid items will be included within the vBid in QuestCDN.
ITEM DESCRIPTION EST. QUANTITY UNIT UNIT PRICE ($) TOTAL($)
10.
Air-rotary drill 6-inch-diameter
borehole to total depth of 500
feet.
500 LF
11. Furnish and install 4-inch-
diameter PVC well casing. 460 LF
12. Install grout seal from 175-foot
depth to surface. 175 LF
13. Furnish and install 4-inch-
diameter PVC well screen. 40 LF
14. Develop well screen using drill
rig. 4 HR
15.
Furnish and install locking steel
surface casing and cement
surface pad.
1 LS
Addendum 2, Item 4
Within Section 00500 – Agreement Form, Article 1. Work, replace 325 feet as the depth
to drill the monitoring well, with 500 feet.
Addendum 2, Item 5
Within Section 007000 – Special Provisions, 1. Scope of Work, 3rd sentence, replace
325 feet as the approximate depth of the monitoring well, with 500 feet.
Addendum 2, Item 6
Within Section 332124 Water Wells of the Supplemental Construction Specifications,
Part 1 – General, 1.01 Description, strike the 3rd sentence which states:
The Test Well will be drilled first followed by the Monitoring Well at locations on the site
specified by the Engineer. Within this same section, 1.11.D. Project Conditions, change approximate depth
of monitoring well from 325 feet to 500 feet
Addendum 2, Item 7
Within Section 332124 Water Wells of the Supplemental Construction Specifications,
Part 2 – Materials, 2.03.F Well Screens:
Change dimension of well screen from 20 feet to 40 feet.
Addendum 2, Item 8
Within Section 332124 Water Wells of the Supplemental Construction Specifications,
Part 3 – Execution, 3.06.B Well Drilling:
Change drilled and installed depth of monitoring well screen from 325 feet bgs to 500 feet bgs.
Addendum 2, Item 9
Within Section 332124 Water Wells of the Supplemental Construction Specifications,
Part 3 – Execution, 3.07.B Well Screens:
Change dimension of well screen from 20 feet to 40 feet.
Addendum 2, Item 10
On Sheet C-500 of the Construction Drawings:
Change entries for the Monitoring Well (Well B) in the Well Summary table as follows:
Well Depth (Ft): 500
Depth to Bottom of Casing (Ft): 500
Screened Length (Ft): 40