Prairie Crossing Concrete Replacement-2026

SECTION 01 00 00 - GENERAL
1. Proposal: Provide proposal on Contractor's standard form. Provide pricing to
remove and replace existing pavement shown on the attached Site List and Drawings.
Proposal shall reference this Request for Proposal document. Proposal should be
submitted by Thursday, September 24th, 2026, at 5:00 PM.
2. Review of Sites and Documents: Determine that the Work can be executed as
shown on the Drawings and in the Specifications. Notify the Architect immediately of
any discrepancies. If any errors or omissions are found in the Drawings or any other
documents during bidding or construction, the Contractor shall notify the Architect and
request clarification before proceeding with the Work. The Contractor shall field verify
the square-footages described in the site list prior to submitting a proposal.
3. Bonds: No bonds are required for this proposal, either Bid Bond or Performance
and Labor and Material Bond.
4. Insurance: Before LHA will issue a Purchase Order, the Contractor shall
furnish LHA with a certificate of insurance showing the minimum insurance coverage as
attached below is in force.
5. Payments to Contractor: An Invoice for payment shall be submitted to the Owner
at the completion of all work.
6. Contractors Responsibility for Work: The Contractor shall supervise and direct
the Work, using the Contractor's best skill and attention. The Contractor shall be solely
responsible for and have control over construction means, methods, techniques,
sequences and procedures, and for coordinating all portions of the Work under the
Contract, unless Contract Documents give other specific instructions concerning these
matters.
The Contractor shall enforce strict discipline and good order among the Contractor's
employees and other persons carrying out the Contract. The Contractor shall not permit
employment of unfit persons or persons not skilled in tasks assigned to them.
Protect the Work, adjoining property, and the public. The Contractor shall be
responsible for all damage or injury due to his acts or neglect. Furnish all such repair
work to rectify any damage at no extra cost to the Owner.
7. Tenant Notice: The Contractor shall notify affected tenants and the LHA Project
Coordinator (Corby Renard at 402-326-2916) at least 48 hours prior to the
commencement of the work at each site. LHA has preprinted notices available for the
Contractor to use in notifying the tenants.

Job Number CI-2027-20
8. Construction Schedule: Coordinate with Owner's representative to schedule
work. Complete in the least practical amount of time. All work is to be completed
prior to November 1st, 2026. LHA would like the work done as soon as possible.
9. Temporary Facilities & Controls: Provide all temporary utilities, (water &
electricity) as may be required. Provide barricades and signs as required to direct traffic
around work. Provide temporary sanitary facilities for the use of all workmen.
10. Cleaning: Keep the sites clean. Clean up and remove work related trash
immediately upon completion of each day's work. No debris shall be allowed to blow
about on the site or on adjacent property.
END OF SECTION
Prairie Crossing Concrete 2026, PAGE 2

Job Number CI-2027-20
SECTION 02 41 19 - SELECTIVE DEMOLITION
PART ONE - GENERAL
1.1 DESCRIPTION
1.1.1 Work included: Selective removal and subsequent off-site disposal of
existing construction including, but not necessarily limited to:
1) Removal of existing concrete curbs, drives, and other items to be replaced.
2) All other items which must be removed to complete work as described in the
Drawings and these Specifications.
1.2 JOB CONDITIONS
1.2.1 Occupancy: Owner's Tenants will occupy buildings immediately adjacent to
areas of selective demolition. Conduct selective demolition work in a manner that will
minimize the need for disruption of Owner's Tenant's normal operations. Coordinate
with Owner to schedule demolition activities.
1.2.2 Condition of Structures: Owner assumes no responsibility for actual condition
of items to be demolished. Conditions existing at the time of commencement of contract
will be maintained by Owner insofar as practicable; however, variations may occur.
1.2.3 Salvageable Items: All removed material shall be removed from the site for
disposal or Contractor's salvage. Contractor's storage or sale of removed items on site
will not be permitted.
1.2.4 Utility Services: Maintain existing utilities to remain. Keep in service and
protect against damage during demolition.
1.3 PRODUCT HANDLING
1.3.1 Protection: Provide temporary barricades and other forms of protection as
required to protect Owner's Tenants and general public from injury due to selective
demolition work. Use all means necessary to protect all items and construction to
remain, including but not limited to flagging and barricades. Do not allow water to stand
on subgrades where concrete has been removed.
1.3.2 Replacements: In the event of damage, immediately make all repairs and
replacements necessary to the approval of the Architect and at no additional cost to the
Owner.
PART TWO - PRODUCTS
Prairie Crossing Concrete 2026, PAGE 3

Job Number CI-2027-20
2.1 ENVIRONMENTAL CONTROLS
Comply with governing regulations pertaining to environmental protection.
PART THREE - EXECUTION
3.1 INSPECTION
Prior to all work of this Section, inspect areas in which work will be
performed. Photograph existing conditions of structure, surfaces, equipment, or
surrounding properties that could be misconstrued as damage resulting from selective
demolition work; file with Architect prior to starting work.
3.2 PREPARATION
3.2.2 Structural protection: Provide interior and exterior shoring, bracing, or
support to prevent movement settlement, or collapse of adjacent facilities to remain.
Cease operations and notify Architect immediately if safety of structures appears to be
endangered. Take precautions to support structure until determination is made for
continuing operations.
3.2.3 Barricades: Erect and maintain barricades as required to prevent persons
from entering and falling in areas where concrete is removed.
3.3 DEMOLITION
3.3.1 Scheduling: Coordinate removal and replacement to comply with
Supplementary Conditions Paragraphs "e" and "f".
3.3.2 Slabs on grade: Use removal methods that will not crack or structurally
disturb adjacent slabs. Use power saw where edge of removal does not fall at an
existing control joint and as otherwise required to remove concrete to clean straight (at
top) edges.
3.3.3 If unanticipated mechanical, electrical, or structural elements that conflict with
intended function or design are encountered, investigate and measure both nature and
extent of conflict. Submit report to Architect in written, accurate detail. Pending receipt
of directive from Architect, rearrange selective demolition schedule as necessary to
continue overall job progress without delay.
3.4 CLEANUP
3.4.1 Disposal of Demolished Materials: Remove debris, rubbish, and other
materials resulting from demolition operation from building site. Transport and legally
dispose off site. If hazardous materials are encountered during demolition operations,
comply with applicable regulations, laws, and ordinances concerning removal, handling,
and protection against exposure or environmental pollution. Burning of removed
materials is not permitted on project site.
Prairie Crossing Concrete 2026, PAGE 4

Job Number CI-2027-20
3.4.2 Final Cleanup: Upon completion of demolition work, remove tools,
equipment, and demolished materials from site.
END OF SECTION
SECTION 03 30 53 - MISCELANEOUS CAST-IN- PLACE CONCRETE
PART ONE - GENERAL
1.1 DESCRIPTION
Provide all formwork, reinforcement and cast-in-place concrete, complete, in
place, as indicated on the Drawings, specified herein and needed for a complete and
proper installation.
1.2 QUALITY ASSURANCE
1.2.1 Standards: Comply with the provisions of the latest edition of the following
standards, as specified in this Section. In case of conflict between the referenced
standards and these Specifications, the more stringent requirements shall govern.
1) ACI - American Concrete Institute
2) ASTM - American Society for Testing and Materials
3) Concrete Reinforcing Steel Institute's "Manual of Standard Practice"
1.2.2 Qualifications of installers: Throughout the progress of installation of the
work of this Section, provide at least one person who shall be thoroughly familiar with
the specified requirements, completely trained and experienced in the necessary skills,
and who shall be present at the site and shall direct all work performed under this
Section. In acceptance or rejection of work performed, the Architect will make no
allowance for lack of skill on the part of workmen.
1.2.3 Inspections: No concrete shall be poured until Contractor has provided not
less than 24 hours notice to allow forms, reinforcing, etc. to be observed and approved
by the Architect. Where noted on the Drawings, no concrete shall be poured until
Architect has approved the forms and subgrade.
PART TWO - PRODUCTS
2.1 FORMWORK
Construct formwork for sides and edges of concrete using wood or steel.
Furnish in sizes and of sufficient strength to resist movement during concrete placement
and to retain both horizontal and vertical alignment until removal. Use forms that are
straight and free of distortion and defects. Dress edges of wood forms as required for a
tight fit.
Prairie Crossing Concrete 2026, PAGE 5

Job Number CI-2027-20
2.2 REINFORCING MATERIALS
2.2.1 Reinforcing bars shall comply with ASTM A615, Grade 40, latest edition.
2.3 CONCRETE MATERIALS
2.3.1 Portland cement shall conform to the requirements of ASTM C 150, Type 1,
latest edition.
2.3.2 Concrete aggregates: All sand and gravel aggregates shall conform to
requirements of the State of Nebraska's Standard Specifications for Highway
Construction - Class 47B sand and gravel (latest edition). Crushed limestone
aggregates shall conform to ASTM C 33, latest edition.
2.3.3 Water used as an ingredient in concrete shall be clean, potable, and free
from injurious amounts of foreign matter.
2.3.4 Ready-mix concrete: Comply with the requirements of ASTM C 94, latest
edition. The Aggregate shall consist of a graded mixture as specified above. Furnish
minimum cement content as required to provide the specified strength. Furnish
admixtures as required to provide slump appropriate for placement conditions and
methods.
2.3.5 Slump: Slump shall be selected by the Contractor as required by placement
conditions and methods. Where high slump is required for proper placement of the
concrete, slump shall be achieved by use of appropriate admixtures and not by use of
additional water.
2.3.6 Mix designs and strengths:
1) All concrete shall be an L-4000 (47-B) mix design concrete which develops
a minimum compressive strength of 4000 PSI at the end of 28 days (70%
sand-gravel and 30% limestone mix). Water/cement ratio shall not exceed
0.52. Add an air entraining admixture as specified below.
2.3.7 Adding water: At the job site, water may be added to ready-mix concrete, but
only to bring the batch up to the allowable water/cement ratio. Any concrete taking its
initial set before placing shall be removed from the site.
2.3.9 Air entraining admixtures: Admixtures shall conform to ASTM C 260 for air
entraining of concrete. All exterior concrete shall be air entrained so that the range of air
content is 5% to 7%.
2.3.10 Water reducing admixtures: Admixtures shall conform to ASTM C 494, Type
A for water reducing and Type D for water reducing/set retarding use.
2.3.11 Calcium chloride: Do not use calcium chloride in any concrete.
2.4 OTHER MATERIALS
2.4.1 Granular fill under slabs on grade where noted shall be clean, washed Class
47-B gradation gravel and sand.
Prairie Crossing Concrete 2026, PAGE 6