FLOOD05300

• County: Alamosa
• Community: Alamosa County
• Stream Name: Rio Grande River
• Basin: Rio Grande
• Title: Contract documents for Rio Grande Levee Improvements, Phase I
• Date: 7/1/1986
• Prepared For: Alamosa County
• Prepared By: Muller Engineering Company, Inc.
• Floodplain - Doc Type: Project

ADDENDUM FORM

CITY OF ALAMOSA

Name

425 Fourth Street

Address

Alamosa, CO 81101
Addendum No. 2
Addendum Date August 21, 1986

PROJECT NAME:

RIO GRANDE LEVEE IMPROVEMENTS - PHASE I

The following revisions shall be incorporated into the Drawings and Specifications
for the project:

1. Pages VIII-H-1 through VIII-H-8 of the General Conditions in the specification book
are out of order and are located between pages VIII-K-3 and VIII-L-I.

2. The logs of the borrow area exploratory holes are shown on Sheet 9 of the Drawings.
The Contractor will not be expected to excavate below groundwater level in the
borrow area. The borrow area will be expanded in size, if necessary, in order to
accommodate the required amount of excavation.

3. The balance of soil materials on the project (not including stripping and placing
of topsoil) is as follows:

Total of excavation items 8, 9, 10, 47, 48, 49
Plus: Underdrain excavation (not paid separately)
Plus: Topsoil excess (items 7-13 + 46-52)

- 55,800 CY
1,600 CY
1,200 CY

TOTAL

58,600 CY

- 54,455 CY
4,300 CY

Total of fill items 10, !1, 12, 49, 50, 51
Shrinkage (10% of 95% compaction items 11, 12, 50, 51)

TOTAL

58,755 CY

A summary of the totals including stripping and topsoil is:

Total
Total
Total

Excavation
Fill (without shrinkage)
Fill (including 10% shrinkage of 95% compaction

- 63,400 CY
- 59,255 CY
items) - 63,555 CY

All other terms and conditions of the Drawings and Specifications shall remain
unchanged. All Bidders must acknowledge receipt of this Addenda in the space
provided on page VIII-E-1 of the Bid. Form. Failure to acknowledge receipt of an
Addenda may be cause for rejection of the Bid.

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