Attachment 1 - Bessey Recreation Complex Sidewalk Slab Repair Combined Specifications.pdf

Copyright 2018 AIA MasterSpec Full Length 12/18

SUMMARY 011000 - 1

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SECTION 011000 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Project information.

2. Work covered by Contract Documents.

3. Contractor's use of site and premises.

4. Coordination with occupants.

5. Work restrictions.

6. Specification and Drawing content.

B. Related Requirements:

1. Section 015000 "Temporary Facilities and Controls" for limitations and procedures governing temporary use of Forest Service facilities.

1.2 PROJECT INFORMATION

A. Project Identification: Bessey Complex Sidewalk Selective Demolition and Repair.

1. Project Location: Nebraska National Forests and Grasslands, Bessey Ranger District and Bessey Nursery, 40637 River Loop Road, PO Box 39, Halsey, Nebraska 69142.

a. See Drawings for specific work areas.

B. Owner: Assigned Contracting Officer (CO) to this project. Project area is managed by the Bessey Ranger District and Bessey Nursery.

1.3 WORK COVERED BY CONTRACT DOCUMENTS

A. The Work of Project is defined by the Contract Documents and includes, but is not limited to, the following:

1. Work for this project includes the following:

a. Selective demolition of designated concrete sidewalk and concrete road slab sections as shown on the Drawings and described in these Specifications.

b. Construction of new concrete sidewalks as shown on the Drawings and described in these Specifications.

c. Reconstruction of designated concrete sidewalk and concrete slab sections as shown on the Drawings and in these Specifications.

d. And other Work as indicated on the Drawings and these Specifications.

2. Designated work sections are shown on the Drawings and are as follows:

a. Day Use Area.

b. Office area.

SUMMARY 011000 - 2

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c. Bessey Nursery Distribution Building area.

B. Type of Contract:

1. Project will be constructed under a single prime contract.

1.4 CONTRACTOR'S USE OF SITE AND PREMISES

A. Limits on Use of Site: Limit use of Project site to Work in areas as indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits on Use of Site: Confine construction operations to Work areas as Shown on the Drawings.

2. Driveways, Walkways and Entrances: Keep driveways and entrances serving premises (that are not a part of the construction work), clear and available to public, Forest Service employees, and emergency vehicles at all times. Do not use these areas for parking or for storage of materials. Storage of materials shall be as approved by the CO.

B. Condition of Existing Grounds: Maintain portions of existing grounds, landscaping, and hardscaping affected by construction operations throughout construction period. Repair damage caused by construction operations.

1. Existing sidewalks and concrete slabs not part of this project.

2. Existing underground utilities and sprinkler systems

3. Existing vegetative trees and bushes

4. Existing campground items such as picnic tables and fire rings.

1.5 COORDINATION WITH OCCUPANTS

A. Full Owner Occupancy: Owner will occupy Project sites during entire construction period.

Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's day-to-day operations.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission and approval of CO.

2. Notify CO not less than 48 hours in advance of activities that will affect operations.

1.6 WORK RESTRICTIONS

A. Comply with restrictions on construction operations.

1. Comply with limitations on use of projects sites as approved by CO.

B. On-Site Work Hours: Limit work to between 7:00 a.m. to 6:00 p.m., Monday through Friday, unless otherwise approved. Work hours may be modified to meet Project requirements if approved by CO.

1. Weekend Hours: Only as approved by the CO.

2. Early Morning Hours: Only as approved by the CO.

SUMMARY 011000 - 3

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C. On-Site Work-Day Restrictions: Work may be restricted if the Bessey Ranger District has a previously scheduled event within the work areas. This will be discussed at the pre-work conference.

D. Controlled Substance Restrictions: Use of alcoholic beverages and any controlled substances on Owner's property is not permitted within the Project areas.

1.7 SPECIFICATION AND DRAWING CONTENT

A. Drawing Coordination: Requirements for materials and products identified on Drawings are described in detail in the Specifications. One or more of the following are used on Drawings to identify materials and products:

1. Terminology: Materials and products are identified by the typical generic terms used in the individual Specifications Sections.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011000

UNIT PRICES 012200 - 1

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SECTION 012200 - UNIT PRICES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements for unit prices.

1.3 DEFINITIONS

A. Unit price is a price per unit of measurement for materials, equipment, or services, or a portion of the Work, added to or deducted from the Contract Sum by appropriate modification, if the scope of Work or estimated quantities of Work required by the Contract Documents are increased or decreased.

1.4 PROCEDURES

A. Unit prices include all necessary material, plus cost for delivery, installation or demolition, insurance, applicable taxes, overhead, and profit.

B. Measurement and Payment:

1. Measurement: Lump Sum Quantities (LSQ).

a. These quantities denote one complete unit of work as required by or described in the contract, including all necessary materials, equipment, and labor to complete the job. They shall not be measured,

2. Payment: Lum Sum (LS).

a. This quantity is a single payment for work completed.

C. Owner reserves the right to reject Contractor's measurement of work-in-place that involves use of established unit prices. Length dimensions shown on the Drawings are approximate and it is the responsibility of the Contractor to verify prior to bidding the Work.

D. List of Unit Prices: A schedule of unit prices is included in Part 3. Specification Sections referenced in the Part 3 "Schedule of Unit Prices" Article contain requirements for materials described under each unit price.

UNIT PRICES 012200 - 2

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PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SCHEDULE OF BID ITEMS

A. Bid Item No. 1: Demolition of existing concrete stairs/sidewalk

1. Description: Designated as “1” on Sheet 2 of Drawings. This work involves demolition and removal of existing stairs and sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete with rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

B. Bid Item No. 2: Demolition of existing concrete sidewalk

1. Description: Designated as “2” on Sheet 2 of Drawings. This work involves demolition and removal of an existing sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete with rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

C. Bid Item No. 3: Installation of new concrete sidewalk

1. Description: Designated as “3” on Sheet 2 of Drawings. This work involves the installation of a new concrete sidewalk at location as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment.

New concrete sidewalk shall be 4 inches thick and 4 foot wide.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

D. Bid Item No. 4: Demolition of designated section of existing concrete sidewalk

1. Description: Designated as “4” on Sheet 2 of Drawings. This work involves demolition and removal of designated section of existing sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete with rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

E. Bid Item No. 5: Installation of designated section of new concrete sidewalk

1. Description: Designated as “5” on Sheet 2 of Drawings. This work involves installation of new concrete sidewalk as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment. The new concrete sidewalk shall be 4 inches thick and match the existing concrete sidewalk.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

UNIT PRICES 012200 - 3

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3. Unit of Payment: Lum Sum (LS)

F. Bid Item No. 6: Demolition of designated sections of existing concrete sidewalk

1. Description: Designated as “6” on Sheet 2 of Drawings. This work involves demolition and removal of a designated section existing concrete sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete with rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

G. Bid Item No. 7: Installation of designated sections of new concrete sidewalk

1. Description: Designated as “7” on Sheet 2 of Drawings. This work involves installation of a designated section of new concrete sidewalk (4 inches thick by 6 foot wide) as staked by the Government. The subbase material beneath the new concrete shall be compacted using mechanical equipment. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete with rebar or wire mesh from site. Included in this work is the installation of a trench drain and flexible drain outlet pipe.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

H. Bid Item No. 8: Demolition of existing designated sections of concrete sidewalk sections.

1. Description: Designated as “8” on Sheet 2 of Drawings. This work involves demolition and removal of designated sections of existing concrete sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete and rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

I. Bid Item No. 9: Installation of designated sections of new concrete sidewalk

1. Description: Designated as “9” on Sheet 2 of Drawings. This work involves installation of designated sections of new concrete sidewalk as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment. The new concrete sidewalk shall be 4 inches thick and width shall match existing sidewalk.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

J. Bid Item No 10: Demolition of designated sections of existing concrete sidewalk.

1. Description: Designated as “10” on Sheet 3 of Drawings. This work involves demolition and removal of designated sections of existing concrete sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete and rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

K. Bid Item No 11: Installation of designated sections of new concrete sidewalk.

UNIT PRICES 012200 - 4

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1. Description: Designated as “11” on Sheet 3 of Drawings. This work involves installation of designated sections of new concrete sidewalk as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment. The new concrete sidewalk shall be 4 inches thick and match the width of the existing sidewalk.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

L. Bid Item No 12: Demolition of designated sections of existing concrete sidewalk.

1. Description: Designated as “12” on Sheet 3 of Drawings. This work involves demolition and removal of designated sections of existing concrete sidewalk. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete and rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

M. Bid Item No 13: Installation of designated sections of existing concrete sidewalk.

1. Description: Designated as “13” on Sheet 3 of Drawings. This work involves installation of designated sections of new concrete sidewalk as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment. The new concrete sidewalk shall be 4 inches thick and match the width of the existing sidewalk.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

N. Bid Item No 14: Demolition of designated section of existing concrete road slab.

1. Description: Designated as “14” on Sheet 4 of Drawings. This work involves demolition and removal of designated sections of existing concrete road slab. Recycle all concrete that meets the requirements as described in Specification 024119. Remove remaining concrete and rebar or wire mesh from site.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

O. Bid Item No 15: Installation of designated section of new concrete road slab.

1. Description: Designated as “15” on Sheet 4 of Drawings. This work involves installation of designated sections of new concrete slab as staked by the Government. The base material beneath the new concrete shall be compacted using mechanical equipment. The new concrete road slab shall be six inches thick and match the existing concrete road slab.

2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

P. Option Item A: Demolition of designated gravel pad and Installation of new concrete slab.

1. Description: Designated as “A” on Sheet 4 of Drawings. This work involves demolition and removal of designated gravel pad and wood barriers. Install new 4 inch thick concrete slab in same location as Shown on the Drawings.

UNIT PRICES 012200 - 5

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2. Unit of Measurement: Lump Sum Quantities (LSQ).

3. Unit of Payment: Lum Sum (LS)

END OF SECTION 012200

SUBMITTAL PROCEDURES 013300 - 1

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SECTION 013300 - SUBMITTAL PROCEDURES

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Submittal schedule requirements.

2. Administrative and procedural requirements for submittals.

B. Related Requirements:

1. Section 017700 "Closeout Procedures" for submitting closeout submittals.

1.3 DEFINITIONS

A. Action Submittals: Written and graphic information that require Contracting Officer’s (CO) responsive action. Action submittals are those submittals indicated in individual Specification Sections as "action submittals." Submittals may be rejected for not complying with requirements.

B. Informational Submittals: Written and graphic information that do not require CO responsive action. Informational submittals are those submittals indicated in individual Specification Sections as "informational submittals."

1.4 SUBMITTAL SCHEDULE

A. Submittal Schedule: Submit the required information as described in Specification 033000, Action Submittals.

1. Format: Arrange the following information in a tabular format:

a. Date.

b. Specification Section number and title.

c. Submittal Category: Action; informational.

d. Name of subcontractor.

e. Description of the Work covered.

1.5 SUBMITTAL FORMATS

A. Submittal Information: Include the following information in each submittal:

1. Project name.

SUBMITTAL PROCEDURES 013300 - 2

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2. Date.

3. Name of Contractor.

4. Names of subcontractor, manufacturer, or supplier.

5. Drawing number and detail references, as appropriate.

6. Location(s) where product is to be installed, as appropriate.

7. Remarks.

8. Signature of transmitter.

B. Deviations and Additional Information: If there is any deviation to materials requirements, prepare a written statement describing the deviation and an optional material type requested for use.

C. Paper Submittals:

1. Action Submittals: Submit two paper copies of each submittal unless otherwise indicated.

CO will return one signed copy.

2. Informational Submittals: Submit two paper copies of each submittal unless otherwise indicated. CO will not return copies.

1.6 SUBMITTAL PROCEDURES

A. Prepare and submit submittals required by individual Specification Sections. Types of submittals are indicated in individual Specification Sections.

1. Email: Prepare submittals as PDF package and transmit to CO by sending via email.

Include PDF transmittal form. Include information in email subject line as requested by

CO.

a. CO will return annotated file. Annotate and retain one copy of file for Contractor’s record.

B. Coordination: Coordinate preparation and processing of submittals with performance of construction activities.

1. Submit for approval all submittals required prior to beginning of Work.

C. Processing Time: Allow 10 days for any review. Submittals shall be signed by the CO as approved prior to any Work beginning.

D. Use for Construction: Retain complete copies of submittals on Project site. Use only final action submittals that are marked as approved from CO.

1.7 SUBMITTAL REQUIREMENTS

A. Product Data: Collect information into a single submittal for each element of construction and type of product.

1. Mark each copy of each submittal to show which products and options are applicable.

2. Include the following information, as applicable:

a. Manufacturer's product specifications.

b. Statement of compliance with specified referenced standards.

c. Availability and delivery time information.

SUBMITTAL PROCEDURES 013300 - 3

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3. Submit Product Data.

a. Two (2) copies of each submittal. CO will retain one (1) copy; remainder will be returned.

4. Email Transmittal, if applicable: Provide PDF transmittal. Include digital image file illustrating Sample characteristics and identification information for record.

5. Paper Transmittal: Include paper transmittal, including complete submittal information indicated.

B. Product Schedule: As required in individual Specification Sections, prepare a written summary indicating types of products required for the Work and their intended location. Include the following information in tabular form:

1. Type of product. Include unique identifier for each product indicated in the Contract Documents or assigned by Contractor if none is indicated.

2. Manufacturer and product name.

3. Describe location as shown on the Drawings.

C. Certificates:

1. Product Certificates: Submit written statements on manufacturer's letterhead, certifying that product complies with requirements in the Contract Documents.

D. Test Reports, as required:

1. Material Test Reports: Submit reports written by a qualified testing agency, on testing agency's standard form, indicating and interpreting test results of material for compliance with requirements in the Contract Documents.

a. Submit concrete design mix.

1.8 CONTRACTING OFFICER’S REVIEW

A. Action Submittals: CO will review each submittal, indicate corrections or revisions required, and return.

1. PDF Submittals: CO will indicate, via markup on each submittal, the appropriate action.

2. Paper Submittals: CO will stamp (if applicable) each submittal appropriately to indicate action.

B. Informational Submittals: CO will review each submittal and will not return it unless it does not comply with requirements.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 013300

Copyright 2020 AIA MasterSpec Full Length 03/20

QUALITY REQUIREMENTS 014000 - 1

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SECTION 014000 - QUALITY REQUIREMENTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements for quality assurance and quality control.

B. Testing and inspection services are NOT required to verify compliance with requirements specified or indicated. However, this does not relieve Contractor of responsibility for compliance with the Contract Document requirements.

1. The Contractor shall obtain required documentation from the commercial source of the concrete that the delivered concrete mixture meets specifications found in Section 033000.

2. Specific quality-assurance and quality-control requirements for individual work results are specified in their respective Specification Sections. Requirements in individual Sections may also cover production of standard products.

3. Not requiring specified tests, inspections, and related actions do not limit Contractor's other quality-assurance and quality-control procedures that facilitate compliance with the Contract Document requirements.

1.3 DEFINITIONS

A. Preconstruction Testing: Tests performed specifically for Project before products and materials are incorporated into the Work, to verify performance or compliance with specified criteria.

Unless otherwise indicated, copies of reports of tests performed for other than the Project do not meet this definition.

B. Source Quality-Control Tests and Inspections: Tests and inspections that are performed at the source (e.g., plant, mill, factory, or shop).

C. Quality-Assurance Services: Activities, actions, and procedures performed before and during execution of the Work, to guard against defects and deficiencies and substantiate that proposed construction will comply with requirements.

D. Quality-Control Services: Tests, inspections, procedures, and related actions during and after execution of the Work, to evaluate actual products incorporated into the Work and completed construction comply with requirements.

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QUALITY REQUIREMENTS 014000 - 2

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1.4 REPORTS AND DOCUMENTS

A. Test and Inspection Reports: Prepare and submit written reports for the requirements as described in Section 033000 which include the following:

1. Project title.

2. Name, address, and telephone number of commercial source.

3. Materials used and ratios (as applicable).

1.5 QUALITY CONTROL

A. Contractor Responsibilities: Perform quality-control activities, whether specified or not, to verify and document that the Work complies with requirements.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 REPAIR AND PROTECTION

A. General: Repair and protection are Contractor's responsibility, regardless of the assignment of responsibility for quality-control services.

END OF SECTION 014000

Copyright 2016 AIA MasterSpec Full Length 09/16

CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL 017419 - 1

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SECTION 017419 - CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements for the following:

1. Recycling non-hazardous demolition waste.

2. Disposing of non-hazardous demolition waste.

B. Related Requirements:

1. Section 311000 "Site Clearing" for disposition of waste resulting from site clearing and removal of lawn materials from construction efforts.

1.3 DEFINITIONS

A. Demolition Waste: Concrete and other site materials (topsoil) resulting from demolition operations.

B. Disposal:

1. Removal of concrete chunks designated for recycling and stored on Forest Service property at a designated location as approved by the Contracting Officer (CO).

2. Removal of demolition waste not designated for recycle that become the Contractors’ property. This includes any concrete chunks with rebar or wire mesh embedded within that cannot be extracted from the concrete chunks.

3. Removal of excess lawn materials (topsoil, grasses, etc.) and material at the gravel pad area in front of the shelter house resulting from demolition/construction efforts to a designated location as approved by the CO.

C. Recycle: Recovery of approved concrete waste and lawn materials waste for subsequent processing in preparation for reuse. This material shall be stored on Forest Service property as designated by the CO.

1.4 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition and construction waste becomes the property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to

CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL 017419 - 2

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the Forest Service that may be uncovered during demolition remain the property of the Forest Service.

1. Immediately cease operations of any of the above items are discovered and notify the

CO.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. General: Approved concrete waste material shall be recycled to a designated site as approved by the CO. All recycled concrete demolition shall have all/any rebar or wire mesh reinforcing material removed if included in the recycling effort. All concrete materials with rebar and reinforcing mesh materials embedded shall become Contractor’s property and be properly disposed of according to local, state, or federal regulations for this type of application. All lumber involved in this work shall remain the Contractor’s property and removed from the site when work is completed.

1. Demolition Waste:

a. Concrete.

b. Concrete reinforcing steel and mesh.

c. Lawn materials (topsoil, etc.)

2. Construction Waste:

a. Concrete waste

b. Lumber (forming materials).

PART 3 - EXECUTION

3.1 IMPLEMENTATION

A. Site Access and Temporary Controls: Conduct concrete and lawn material removal operations to ensure minimum interference with roads, walks, walkways, and other adjacent occupied and used facilities.

3.2 RECYCLING DEMOLITION WASTE, GENERAL

A. General: Recycle designated concrete chunks to a location near the Day Use parking area as designated by the CO.

B. Preparation of Waste: All concrete chunks designated for recycle shall be free of rebar and wire mesh materials.

C. Procedures: Separate recyclable concrete waste from other waste materials, trash, and debris.

CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL 017419 - 3

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1. Recyclable concrete chunks shall be placed at a designated location as approved by the

CO.

2. Non-recyclable waste shall not be allowed to accumulate on-site for more than 48 hours unless approved by the CO.

3.3 RECYCLING DEMOLITION WASTE

A. Concrete: For concrete chunks to be recycled, remove reinforcement (rebar, wire mesh, and any other metals).

B. Lawn materials: For lawn materials that is removed to facilitate the installation for concrete form work shall be moved to a location, as approved by the CO. Any topsoil that is devoid of vegetative materials may be used as backfill material.

3.4 DISPOSAL OF WASTE

A. General: Except for concrete materials to be recycled, remove waste materials from Project site and legally dispose of them per local, state, or federal regulations for this type of application.

1. Except as otherwise approved, do not allow waste materials that are to be disposed of accumulate on-site for more than 48 hours.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

B. General: Remove lawn waste materials not needed for recycling and dispose at a site within 1 mile of the work area as designated by the CO.

END OF SECTION 017419

CLOSEOUT PROCEDURES 017700 - 1

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SECTION 017700 - CLOSEOUT PROCEDURES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements for Contract closeout, including, but not limited to, the following:

1. Final completion procedures.

2. Final cleaning.

1.3 FINAL COMPLETION PROCEDURES

A. Prior to Final Completion: Request final inspection for determining Final Completion of project.

B. Once the project is accepted as complete, then submit for final payment.

PART 2 - EXECUTION

2.1 FINAL CLEAN-UP

A. General: Perform final clean-up. Conduct waste-removal operations to comply with local, state, and Federal regulations.

1. Complete the following cleaning operations before requesting inspection for certification of Substantial Completion of Project:

a. Clean Project site of rubbish, waste material, litter, and other foreign substances.

Check adjacent lawn areas for concrete pieces.

b. Sweep concrete walks broom clean.

c. Provide a smooth backfill area next to new concrete construction.

d. Remove tools, equipment, machinery, and surplus materials from Project site.

B. Construction Waste Disposal: Comply with waste-disposal requirements in Section 017419 "Construction Waste Management and Disposal."

END OF SECTION 017700

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SELECTIVE DEMOLITION 024119 - 1

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SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Demolition and removal of designated portions of concrete sidewalk and road slab.

2. Demolition and removal of designated gravel pad and wood boundary posts (Option Item

A).

3. Salvage of designated concrete chunks to be recycled.

B. Related Requirements:

1. Section 011000 "Summary" for restrictions on use of the premises, Owner-occupancy requirements, and phasing requirements.

2. Section 311000 "Site Clearing" for site clearing and removal of above- and below-grade improvements not part of selective demolition.

1.2 DEFINITIONS

A. Remove: Detach items from existing construction and dispose of them off-site unless indicated to be recycled.

B. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or re-installed.

1.3 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to Owner that may be uncovered during demolition remain the property of Owner.

1. Stop work immediately and promptly notify the Contracting Officer (CO).

1.4 PRE-WORK MEETINGS

A. Pre-work meeting: Conduct meeting at Bessey Office at an agreed time.

1. Inspect and discuss condition of construction to be selectively demolished.

2. Review areas where existing construction is to remain and requires protection.

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1.5 INFORMATIONAL SUBMITTALS

A. Proposed Protection Measures: Submit report, including Drawings or sketches, that indicates the measures proposed for protecting individuals and property. Indicate proposed locations and construction of barriers.

B. Schedule of Selective Demolition Activities: Indicate the following:

1. Detailed sequence of selective demolition and removal work, with estimated starting and ending dates for each activity. Ensure Government recreational operations are uninterrupted.

2. Interruption of utility services. Indicate how long utility services will be interrupted, as applicable.

3. Coordination for shutoff, capping, and continuation of utility services, as applicable.

This includes underground lawn sprinkler service.

4. Coordination of Government continuing occupancy of the Day Use shelter house building with required work activities.

1.6 FIELD CONDITIONS

A. The majority of the work will occur in Day Use Area, which consists of a large lawn with concrete sidewalks, trees, shrubs, picnic tables, and fire grates. Work around the District/Nursery Office will affect how the public access the building. The road slab work near the Nursery Old Tree Processing building abuts a manhole accessing a site drainage system.

B. Conditions existing at time of inspection for bidding purpose will be maintained by the Government as far as practical.

C. Storage or sale of removed items or materials on-site is not permitted.

D. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

1.7 COORDINATION

A. Arrange selective demolition schedule with the Government so as not to interfere with recreational operations.

PART 2 - PRODUCTS - NA

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been located and marked before starting selective demolition operations. See Drawings and assist the Government in locating the lawn sprinkler heads and lines that may be affected.

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B. Review Documents of existing construction or other existing condition information provided by Government.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

1. The Government will shut off lawn sprinkler services if requested by Contractor.

2. If applicable, arrange to shut off utilities with utility companies.

3.3 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings, facilities, and existing concrete sidewalks and road slab to remain.

1. Provide protection to ensure safe passage of people around selective demolition areas.

B. Remove temporary barricades and protections, in agreement with the Government, at the industry standard time frame for this type of work. The new concrete must not be damaged or defaced prior to allowing the public access along the new sidewalks.

3.4 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Proceed with selective demolition systematically.

2. Neatly cut the designated sections of concrete sidewalk as to not damage the existing concrete sidewalk or road slab that is to remain.

B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities. This includes minimizing damage to lawn.

C. Removed and Recycled Items:

1. Concrete chunks to be recycled shall have any and all rebar and wire mesh material removed. If these materials can not be separated from the concrete chunks, the Contractor shall remove these concrete chunks from site.

2. Transport items to be recycled to a location in the Day Use Area parking lot as approved by the CO.

D. Existing Items to Remain:

1. Protect existing concrete sidewalks, concrete road slab, lawn sprinkler lines and heads, picnic tables, fire grates, buildings, trees, and shrubs from damage during transport to the approved location in Day Use Area parking area.

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3.5 SELECTIVE DEMOLITION PROCEDURES FOR SPECIFIC MATERIALS

A. Concrete: Demolish in sections. Cut concrete full depth at junctures with existing sidewalk construction to remain and then remove concrete between saw cuts.

B. Concrete Slabs-on-Grade: Saw-cut perimeter of area to be demolished and then break up and remove.

3.6 DISPOSAL OF DEMOLISHED MATERIALS

A. Remove demolition waste materials that are not to be recycled from Project site in a waste landfill site suitable for this material.

1. Do not allow demolished materials to accumulate on-site longer than 48 hours, unless approved by the CO.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

3. Comply with requirements specified in Section 017419 "Construction Waste Management and Disposal."

3.7 CLEANING

A. Clean adjacent structures and improvements of debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

END OF SECTION 024119

CAST-IN-PLACE CONCRETE 033000 - 1

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SECTION 033000 - CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Cast-in-place concrete, including concrete materials, mixture design, placement procedures, and finishes.

1.3 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash, slag cement, other pozzolans, and silica fume;

materials subject to compliance with requirements.

B. Water/Cement Ratio (w/cm): The ratio by weight of water to cementitious materials.

1.4 PRE-WORK MEETINGS

A. Pre-work meeting: Conduct meeting at Bessey District/Nursery Office.

1. Require representatives of the successful Contractor directly concerned with cast-in-place concrete to attend.

2. Review the following:

a. Contract Specifications and Drawings.

1.5 ACTION SUBMITTALS

A. Product Data: For each of the following.

1. Fiber reinforcement.

2. Joint fillers.

B. Design Mixtures: For each concrete mixture, include the following:

1. Mixture identification.

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2. Minimum 28-day compressive strength.

3. Slump limit.

4. Air content.

5. Nominal maximum aggregate size.

6. Fiber reinforcement content.

7. Synthetic micro-fiber content.

8. Intended placement method.

1.6 INFORMATIONAL SUBMITTALS

A. Minutes of pre-work meeting.

1.7 QUALITY ASSURANCE

A. Ready-Mixed Concrete Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C94/C94M requirements for production facilities and equipment.

1.8 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 301 (ACI 301M) and ACI 306.1 and as follows.

1. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

2. When average high and low temperature is expected to fall below 40 deg F (4.4 deg C) for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301 (ACI 301M).

3. Do not use frozen materials or materials containing ice or snow.

4. Do not place concrete in contact with surfaces less than 35 deg F (1.7 deg C), other than reinforcing steel.

5. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

B. Hot-Weather Placement: Comply with ACI 301 (ACI 301M) and ACI 305.1 (ACI 305.1M), and as follows:

1. Maintain concrete temperature at time of discharge to not exceed 95 deg F (35 deg C).

2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

PART 2 - PRODUCTS

2.1 CONCRETE, GENERAL

A. ACI Publications: Comply with ACI 301 (ACI 301M) unless modified by requirements in the Contract Documents.

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2.2 CONCRETE MATERIALS

A. Source Limitations:

1. Obtain all concrete mixtures from a single ready-mixed concrete manufacturer for entire Project.

2. Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant.

3. Obtain aggregate from single source.

4. Obtain each type of admixture from single source from single manufacturer.

B. Cementitious Materials:

1. Materials used in the mixture design shall meet Nebraska 47B design standards or as approved by the Contracting Officer (CO).

C. Air-Entraining Admixture: ASTM C260/C260M.

D. Chemical Admixtures: Not Applicable.

2.3 FIBER REINFORCEMENT

A. Contractor shall submit for approval the type of fiber reinforcement to be used on this project.

2.4 VAPOR RETARDERS

A. A vapor retarder is not required for this Work.

2.5 CURING MATERIALS

1. Not applicable for this Work.

2.6 RELATED MATERIALS

A. Contractor shall submit for approval the type of expansion joint that may be used for this Work.

2.7 CONCRETE MIXTURES, GENERAL

A. Contractor shall submit for approval the design mixture for Nebraska 47B or equal.

2.8 CONCRETE MIXTURES

A. Nebraska 47B normal-weight concrete used for sidewalks and road slabs.

1. Minimum Compressive Strength: 4,000 psi at 28 days.

2. Slump Limit: 4 inch.

3. Approved fiber reinforcement material at a rate typical for this type of work per normal industry standards.

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2.9 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete in accordance with ASTM C94/C94M and furnish batch ticket information.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verification of Conditions:

1. Before placing concrete, verify that installation of concrete forms, accessories, and reinforcement, and embedded items is complete and that required inspections have been performed.

2. Prior to placing concrete on the existing subbase material (sand), spray or otherwise wet the base material thoroughly to provide a stable surface for the concrete. It is advisable to wet the base material until there is very little visual displacement or as approved by the CO.

3. Compact existing base material (sand) by running mechanical compaction equipment on the surface to receive the concrete a minimum of 3 passes or until visual displacement is not seen.

4. Do not proceed until unsatisfactory conditions have been corrected and the CO has approved the site ready for concrete placement.

3.2 JOINTS

A. Construct joints true to line, with faces perpendicular to surface plane of concrete.

B. Construction Joints: Coordinate with concrete placement sequence.

1. Install so strength and appearance of concrete are not impaired, at locations indicated on Drawings or as approved by CO.

2. Place joints perpendicular to main reinforcement.

C. Control Joints: Form weakened-plane control joints, sectioning concrete sidewalks every four

(4) feet per industry standards for this type of work. For the 14’ by 60’ concrete slab near the Shelter House, form weakened-plane control joints as Shown on the Drawings. Construct control joints for a depth equal to at least one fourth of concrete thickness as follows:

1. Grooved Joints: Form control joints after initial floating by grooving and finishing each edge of joint to a radius of 1/8 inch. Repeat grooving of control joints after applying surface finishes. Eliminate groover tool marks on concrete surfaces.

2. Sawed Joints: Form control joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch-wide joints into concrete when cutting action does not tear, abrade, or otherwise damage surface and before concrete develops random cracks.

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3. Terminate full-width joint-filler strips not less than 1/2 inch or more than 1 inch below finished concrete surface, where joint sealants, specified in Section 079200 "Joint Sealants," are indicated.

D. Rebar Joints:

1. Concrete Sidewalks. Install 3-#4 rebar by eight (8) inches long at joints as indicated on Drawings. Rebar shall be inserted ½ length into the existing concrete at mid-point with remaining length to be embedded in new concrete.

a. Drill into existing concrete to install rebar as Shown on the Drawings and associated notes.

2. Concrete Road Slab. Install #4 rebars by eight (8) inches long every two (2) feet around the perimeter of the pour.