W Jefferson Ave/Trosper Blvd Drainage Improvements Project - Addendum No. 1

Agency: Alton city
State: Texas
Type of Government: State & Local
NAICS Category:
  • 237110 - Water and Sewer Line and Related Structures Construction
  • 237310 - Highway, Street, and Bridge Construction
  • 237990 - Other Heavy and Civil Engineering Construction
Posted Date: Feb 9, 2026
Due Date: Feb 11, 2026
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Description Opening Date/Time Closing Date/Time


W Jefferson Ave/Trosper Blvd Drainage Improvements Project - Addendum No. 1



January 23, 2026
8:00
AM



February 11, 2026
3:00
PM

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ADDENDUM
Document 00900
ADDENDUM NO.1
Date of Addendum: February 9, 2026
PROJECT NAME: City of Alton –108 W. Jefferson Ave. – Trosper Blvd. Drainage Improvements Project
PROJECT NO: P557
BID DATE: February 11, 2026
FROM:
HCEngineering
3540 East Broad Street
Suite 120, #251
Mansfield, Texas 76063
TO: Prospective Bidders
This Addendum forms a part of the Bidding Documents and will be incorporated into Contract
Documents, as applicable. Insofar as the original Project Manual and Drawings are inconsistent, this
Addendum governs. Acknowledge receipt of the Addendum by inserting its number in Document 00310 -
Form of Proposal. FAILURE TO DO SO MAY SUBJECT BIDDER TO
DISQUALIFICATION.
BIDDING REQUIREMENTS
CONTRACT FORMS
[3. Section 00405 Schedule of Unit Price Work
Section revised to add items No. 3-11 and 3-12. Items allowed for payable item of water line
adjustments.
END OF ADDENDUM NO.1
Hilario Ortiz, Jr.
DATED: February 9, 2026
END OF DOCUMENT
00900- 1 of 1
SCHEDULE OF UNIT PRICE WORK
(Addendum No. 1)
Document 00405
SCHEDULE OF UNIT PRICE WORK
This Document, constitutes a Supplement to Document 00310 - Form of Proposal.
When a Contract is awarded, this Document becomes a supplement to the CONTRACT Between Owner and
Contractor.
ITEM
NO.
ITEM DESCRIPTION
UNI UNIT
T QTY.
UNIT PRICE
IN
FIGURES (1)
General Project
1-1 Mobilization, Bonds and Insurance (not to
LS
1
exceed 3% of Total Bid).
1-2 Traffic control plan signed and sealed by a
LS
1
professional engineer licensed in the State of
Texas.
1-3 Installation and maintenance of barricades, signs LS
1
and traffic handling per approved Traffic Control
Plan.
Total General Project
TOTAL FIGURES
Pavement Improvements
2-1 Sawcut, remove and replace existing concrete
SY 10
pavement driveways and base material, all spoil
material to be hauled to location designated by
the City, according to the plans and
specifications; complete in place.
2-2 Sawcut, remove, and replace existing asphalt
SY 56
pavement and base material, according to the
plans and specifications; complete in place.
2-3 Demolish, remove, and replace existing caliche SY
9
driveways, according to the plans and
specifications; complete in place.
2-4 Sawcut, remove and replace existing concrete
LF
10
curb and gutter and base material, all spoil
material to be hauled to location designated by
the City, according to the plans and
specifications; complete in place.
2-5 Demolish, remove, and replace existing concrete SY 193
sidewalk, according to the plans and
specifications; complete in place.
Total Pavement Improvements
Storm Drainage Improvements
3-1 Furnish and Install 24” RCP (CLASS III)
LF
85
according to the plans and specifications;
complete in place.
3-2 Furnish and Install 30” RCP (CLASS III)
LF 325
according to the plans and specifications;
complete in place.
3-3 Furnish and Install 36” RCP (CLASS III)
LF 216
according to the plans and specifications;
complete in place.
00405-1 of 2
SCHEDULE OF UNIT PRICE WORK
(Addendum No. 1)
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
ADD
NO. 1
3-12
ADD
NO. 1
Furnish and Install 3’x3’ Drop Inlet according to EA
2
the plans and specifications; complete in place
Furnish and Install 4’ Storm Drain Manhole
EA
2
according to the plans and specifications;
complete in place.
Furnish and Install 5’ Storm Drain Manhole
EA
1
according to the plans and specifications;
complete in place.
Furnish and Install 36” Sloping headwall
EA
1
according to the plans and specifications,
complete in place
Furnish and Install 5’ Type F Curb Inlet with 5’
EA
2
Extension according to the plans and
specifications; complete in place
Furnish and Install and silt fence along pipe
LF 640
alignment during trenching operations, according
to the plans and specifications; complete in place
Furnish and Install trench safety as per OSHA
LF 640
Safety and Health Standards, according to plans
and specifications; complete in place
Furnish and Install 8-inch PVC DR18 Water Line EA
2
Adjustment per Sharyland Water Supply
Corporation specifications; complete in place
Furnish and Install 6-inch PVC DR18 Water Line LF
1
(Fire Hydrant Lead); complete in place
Total Storm Drain Improvements
GRAND TOTAL
TOTAL BID PRICE (Total Unit Prices Plus Cash Allowance, if any)
$__________________________
Notes:
(1) United States Dollars. In the event of a discrepancy, this column shall govern.
Project:
Project No.
Company:
Date:
Bidder's Signature:
Name:
Title:
END OF DOCUMENT
00405-2 of 2
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