COMMONWEALTH OF KENTUCKY

DEPARTMENT FOR FACILITIES AND SUPPORT SERVICES

DIVISION OF ENGINEERING AND CONTRACT ADMINISTRATION

INVITATION TO BID NO: RFB-26-25

FOR: Clay Co New District 11 Office

KY Transportation Cabinet Manchester, Kentucky

DATE: July 30, 2024

RFB-785-2500000010

ADDENDUM NO. Two (2)

BIDDER SHALL CONFORM TO THE FOLLOWING CHANGES AS SAME SHALL BECOME BINDING

UPON THE CONTRACT TO BE ISSUED IN RESPONSE TO THIS INVITATION TO BID.

Item 1:

Item 2:

Change Official Bid Opening date to August 13, 2024 at 1:30 PM ET

Refer to addendum to be distributed by Lynn Imaging for all additions, deletions, and/or changes to specifications and/or drawings.

END OF ADDENDUM

Invitation to Bid No. RFB-26-25 For: Clay Co New District 11 Office

KY Transportation Cabinet Manchester, Kentucky

Kristi Sharp, Statewide Procurement Manager Division of Engineering and Contract Administration

KYTC – Clay County District Office ADDENDUM TWO DECA # 609-C91E-Z001-A26 July 30, 2024

RFB 26-25

THJA 2310 Page 1 of 5

ADDENDUM NUMBER TWO

The Contractor shall conform to the following changes as same shall become binding upon the Contract.

SITE

ITEM 1 Add attached DRAWING C6.0 LANDSCAPE PLAN (missing from Drawing set).

ITEM 2 Replace DRAWING C6.1 LANDSCAPE PLAN with attached.

STRUCTURAL

ITEM 3 Replace all structural specification sections with revised attached specifications:

014110 STRUCTURAL SPECIAL INSPECTION

30300 STRUCTURAL EXCAVATION AND BACKFILL

033000 CAST IN PLACE CONCRETE

051000 STRUCTURAL ANCHORS

051200 STRUCTURAL STEEL FRAMING

053100 STEEL DECKING

054000 COLD FORMED METAL FRAMING – STRUCTURAL

054100 SHEET STEEL SHEAR PANELS

054753 SHOP FABRICATED COLD FORMED STEEL TRUSSES

316329 DRILLED CONCRETE PIERS AND SHAFTS

ARCHITECTURAL

ITEM 4 SPECIFICATION SECTION 074113 - METAL ROOF PANELS

Provided the products meet the specified requirements, add to the list of acceptable manufacturers the following:

1. Drexel Metals

2. Roofing & Exterior Products Services (REPS)

ITEM 5 SPECIFICATION SECTION 074113 - METAL ROOF PANELS

Provide snow guards at the entire roof perimeter per manufacturer’s instructions.

ITEM 6 SPECIFICATION SECTION 085113 – ALUMINUM WINDOWS and DRAWING A-5.00

WINDOW TYPES

1. Aluminum Window Types “AW1” and “AW2” are incorrectly shown as casement windows. All windows on the project shall be fixed. There are no casement windows on the project.

2. Delete Section 085113-1.4-A-Items 2-9.

3. Revise 085113-1.4-B-Items 1 to read: “The system shall be designed to withstand the wind loads identified on drawing S1.1.”

4. Delete Section 085113-3.6-A.

5. Delete Section 085113-2.2-E-a and b. Subsills and subsill extensions are not required.

6. Reference head/sill detail 3/A-5.01 and jamb detail 5/A-5.01. These detail are applicable to both aluminum storefront and aluminum windows. The details show aluminum storefront. Aluminum windows shall be placed 3” from the face of brick.

Gypsum shall continue to interior face of window at jamb, head and sill to cover wood blocking in cavity.

THJA 2310 Page 2 of 5

ITEM 7 SPECIFICATION SECTION 088000 – GLAZING

1. Delete Section 088000-1.4-G.

2. Reference Section 088000-2.3-C. U-Factor Winter shall be .29 maximum. U-Factor

Summer shall be .27 maximum.

3. Delete Section 088000-2.1-D and 088000-2.3-D. Glass will be clear, not tinted.

ITEM 8 SPECIFICATION SECTION 087100 – DOOR HARDWARE and DRAWING A-5.00 - DOOR

SCHEDULE.

1. Door Hardware sets listed in Door Schedule are incomplete and should be ignored.

Refer to spec.

2. Replace Door Hardware Index at front of Specification with attached Revised Door

Hardware Index.

3. Reference Door Hardware sets at back of Specification.

a. Add Door #100b.1 to Hardware Group No. 01.

b. Add Door #100b.2 to Hardware Group No. 02.

c. Add Door #101B to Hardware Group No. 06.

d. Add Door #206A to Hardware Group No. 08.

ITEM 9 SPECIFICATION SECTION 092116 – GYPSUM BOARD ASSEMBLIES and DRAWING A-1.00 OVERALL FIRST FLOOR PLAN and DRAWING A-4.10 OVERALL

FURNITURE PLAN sheet notes: “WALL TYPES - EXTERIOR WALLS”

1. Delete all references to abuse resistant gypsum. All gypsum on vertical and horizontal surfaces shall be standard gypsum board. Abuse resistant gypsum will not be used in this project.

ITEM 10 SPECIFICATION SECTION 101400 – BUILDING SIGNAGE and

DRAWING 8/A-4.11

1. Reference Specification 101400 – Building Signage and Drawing 8/A-4.11. Provide 4-digit sign for address. Match properties (size, font, materials, etc.) as Building Signage shown.

ITEM 11 DRAWING A-4.10 OVERALL FURNITURE PLAN

1. Add charging station casework to Storage 312 and Storage 313. Base cabinet and countertop shall be 18” deep. See attached Elevation 10/A-4.10.

ITEM 12 DRAWING A-5.00 DOOR SCHEDULE

1. Change Door Type to “D1” for the following doors:

102, 103.1, 103.2, 104, 105, 107, 108, 110, 111a, 111b, 111c, 111d, 111e, 114.1, 117, 118, 119, 120, 121, 122, 123, 125, 201a, 201b, 201c, 201d, 201e, 203a, 203b, 203c, 203d, 203e, 203f, 203g, 203h, 203j, 203k, 204, 205, 302, 304, 305, 306, 307, 308, 309, 310, 311, 314, 315, 316, 317.

2. Change Door Type to “D2” for the following doors:

112, 116, 201.2

3. Clarification: Door 114.1 shall be a Hollow Metal Frame (Frame Type “SF2”) and a wood door (Door Type “D3”). Details shall reference head detail 1/A-5.01 and jamb detail 2/A-5.01.

THJA 2310 Page 3 of 5

PLUMBING:

ITEM 13 Specifications:

1. Remove specifications: 22 1413 - Storm Drainage Piping and 22 1423 - Storm Drainage

Specialties entirely. All storm related scope shall reference Division 33 specifications.

ITEM 14 Questions from Contractors:

1. PVC allowed below slab for DWV?

Answer: YES.

PVC Pipe: ASTM D1785 Sch 40, joints solvent welded, with ASTM2665 solvent cement.

2. PVC allowed above slab for DWV?

Answer: YES.

3. Exterior water service is PVC allowed?

PVC AWWA C900

4. Exterior Sanitary sewer is Sch 40 or SDR-35 allowed?

PVC Pipe: ASTM D2665 or ASTM D3034 , joints solvent welded, with ASTM D2564 solvent cement.

FIRE PROTECTION:

ITEM 15 Questions from Contractors:

1. Drawing F0.1 general notes 10 provides a flow test. Please provide locations on the fire hydrants used for the test.

Answer: See attached information.

File = “23-0474 04-23-2024 Fire Suppression Design Criteria Form.pdf”

File = “District Office Water Sewer Plans with Standards updated 03-13-2024.pdf”

2. Drawing M1.0 please confirm where the fire protection contractor is to start work.

During the pre-bid we discussed the FP contractor starting at the tap. Drawing M1.0 keynote 1 indicates Manchester Water will provide tap and run 8” to the vault referenced by keynote 4. The 6” FP line tees off 15 feet prior to entering the domestic water meter vault.

Answer: Manchester Water will provide tap to vault. FP contractor responsible as shown on drawings. FP contractor responsible from vault to the building. FP contractor responsible for new fire hydrant installation prior to entering the domestic water meter vault.

HVAC:

ITEM 16 Specifications:

1. Refer to specification 23 0900 – Add acceptable controls contractors to include “Core

Controls”.

THJA 2310 Page 4 of 5

ITEM 17 Drawings:

1. Sheet M3.1 Mezzanine Hydronic Plan: Add 3-way, 24v, L-port bypass valve. See M3.9 for reference.

2. Sheet M3.9 Enlarged Hydronic Plan: Show CTS / CTR piping down to pumps. Add 3-way, 24v, L-port bypass valve.

3. Sheet M6.3 Flow Diagram: Show added 3-way, 24v, L-Port, bypass valve.

Miscellaneous flow gpm’s , sequences, and Cv information.

ITEM 18 Questions from Contractors:

1. Condensation is PVC allowed?

Answer: YES.

2. Heating EWT Schedule: 60F vs Notes: 32F

a. Assume the 32F is incorrect as I see a fluid cooler and boiler on the project

Answer: Heating EWT shall be 60F.

3. Notes 6 through 8:

a. Based on the voltage values, I believe the everything less than 1.5-tons is single stage and 1.5-ton, 2-ton and 3-ton units are 2-stage. No variable capacity compressors that range from 25% to 100%.

Answer: No variable compressors. Single stage up to 1.5-tons. Two-stage for 2-tons and up.

4. Note 5: Hot Gas Reheat

a. Which units does this apply to?

Answer: All units.

5. Note 9: Filter size – is the intent a single filter size like 24x24 or 20x20 racks or are you looking for any filter size based on airflow

Answer: Single size 24x24x1 disposable

6. Note 12: Waterside Economizer – generally not required for this size of unit

Answer: No waterside economizer’s required.

ELECTRICAL:

ITEM 19 Questions from Contractors:

1. According to the bid document for this project it states that CommScope only for horizontal cabling and Corning only for fiber backbone. Are substitutions allowed?

Answer: The Commonwealth Office of Technology (COT) Kentucky Information

Technology Standards (KITS) requires the manufacturers listed in the specifications for the project horizontal cabling and fiber to be installed in Commonwealth of Kentucky facilities. Please refer to EAS Codes 3100 and 3110 in the document below on the COT website requiring CommsScope and Corning products.

https://technology.ky.gov/about-the-agency/Documents/KITS_Report.pdf https://technology.ky.gov/about-the-agency/Documents/KITS_Report.pdf

THJA 2310 Page 5 of 5

2. Are transfer switches provided by Owner as part of generator Pre-Purchase package?

Answer: Transfer switch ATS-EQ to be Owner Furnished, Contractor Installed as part of generator pre-purchase. ATS-LS to be provided by Contractor.

ITEM 20 Drawings:

1. Sheet E1.2 – ELECTRICAL SITE PLAN:

a. Coded Note 4 revised to clarify electric utility ductbank requirements.

b. Coded Note 11 revised to clarify telecommunications utility ductbank requirements.

c. Coded Note 22 added to clarify KU provided pull box for electric utility ductbank.

d. Electric utility ductbank pull box location added to plan.

e. Text note for Owner Furnished, Contractor Installed emergency generator added for clarification.

2. Sheet E3.1 – FIRST FLOOR POWER PLAN:

a. Above counter receptacles added to STOR 312 and STOR 313.

b. Clarification for radio communications tower grounding added to plan. Coded notes

8 thru 10 added for additional information on tower grounding.

3. Sheet E5.0 – ENLARGED ELECTRICAL PLANS

a. Coded Note 13 added to clarify Owner Furnished, Contractor Installed ATS.

4. Sheet E6.1 – ELECTRICAL SINGLE LINE DIAGRAM

a. Text notes added to clarify Owner Furnished, Contractor Installed generator and

ATS.

Attachments:

Specification 014110 STRUCTURAL SPECIAL INSPECTION Specification 030300 STRUCTURAL EXCAVATION AND BACKFILL Specification 033000 CAST IN PLACE CONCRETE Specification 051000 STRUCTURAL ANCHORS Specification 051200 STRUCTURAL STEEL FRAMING Specification 053100 STEEL DECKING Specification 054000 COLD FORMED METAL FRAMING – STRUCTURAL Specification 054100 SHEET STEEL SHEAR PANELS Specification 054753 SHOP FABRICATED COLD FORMED STEEL TRUSSES Specification 316329 DRILLED CONCRETE PIERS AND SHAFTS Fire Suppression Design Criteria Form 04023-2024 Drawing 10/A-4.10 INTERIOR ELEVATION Drawing C6.0 LANDSCAPE PLAN Drawing C6.1 LANDSCAPE PLAN District Office Water Sewer Plans with Standards updated 03-13-2024 (12 pages)

DRAWING M3-1 MEZZANINE HYDRONIC PLAN

DRAWING M3-9 ENLARGED HYDRONIC PLANS

DRAWING M6-3 FLOW DIAGRAM

DRAWING E1-2 ELECTRICAL SITE PLAN

DRAWING E3-1 FIRST FLOOR POWER PLAN

DRAWING E5-0 ENLARGED ELECTRICAL PLAN

DRAWING E6-1 ELECTRICAL SINGLE LINE DIAGRAM

END OF ADDENDUM TWO

KYTC – Clay County District Office SECTION 014110

DECA # 609-C91E-Z001-A26 STRUCTURAL SPECIAL INSPECTION

THJA-2310 014110- 1

SECTION 014110 – STRUCTURAL SPECIAL INSPECTION

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B. General Conditions of the Construction Contract Inspection of Work / Defective or Incomplete Work / Special Inspections shall apply in its entirety to this project. Where any conflict exists between this Specification Section and the General Conditions, the General Conditions provisions shall supersede in all aspects.

1.2 SUMMARY

A. Special Inspections as defined in Section 1704 of The Kentucky Building Code are required.

B. The Risk Category, Seismic Design Category, and Basic Wind Speed for the structure are shown in the General Notes section of the structural drawings.

C. Special inspections per Kentucky Building Code Sections 1704 and 1705 are required for the following materials and work:

1. Inspection of Fabricators per Section 1704.2.5 of the Kentucky Building Code.

2. Steel Construction per Section 1705.2 of the Kentucky Building Code.

3. Concrete Construction per Section 1705.3 of the Kentucky Building Code.

4. Cast-in-Place Deep Foundations per Section 1705.8 of the Kentucky Building Code.

5. Additional materials and work as/if indicated on the Construction Drawings.

D. The structural special inspections required on this project are further defined in the Special Inspections section of the structural drawings. Other, non-structural special inspections may be required and are specified elsewhere if applicable.

1.3 SCOPE

A. The scope of the construction work to be inspected / tested / observed is that structural and foundation work shown on the structural construction drawings (S- sheets).

B. All inspections and tests performed shall be documented by report including, but not limited to, inspections for grout and concrete placement, reinforcing inspection, curing, fabricators, deck attachment, etc.

1.4 DEFINITIONS

A. In accordance with the intent of the Building Code, inspection work specified to be “continuous” shall be inspected the full, uninterrupted time that the Contractor is performing said construction work. Work specified to be “periodic” may be inspected as convenient to the Inspector, except that all work must be inspected prior to being covered by other work, during the working hours of the Contractor, and in a fashion that does not delay the Contractor. Regardless as to whether inspections are performed in “continuous” or “periodic” fashion, 100% of the construction work shall be inspected, unless noted otherwise.

THJA-2310 014110- 2

1.5 SELECTION AND PAYMENT

A. The Inspection Agency shall be retained by the Owner. Costs for reinspection and retesting, should discrepancies be found, will be paid for by the Owner, except where rework is due to negligence or omission deemed excessive by the Owner.

1. In case of excessive rework, such retesting and reinspection shall be paid for by the Owner as an additional service of the Inspection Agency, but will be backcharged by deductive change order to the Contractor’s contract.

2. In case of excessive waste/lost time of the Special Inspector due to inadequate scheduling by the General Contractor, such time shall be paid for by the Owner as an additional service of the Inspection Agency but will be backcharged by deductive change order to the Contractor’s contract.

B. Special Inspections are additional to testing and inspection requirements shown elsewhere in the specifications and on the drawings, which is to be paid for by the Contractor. The Contractor shall also pay for additional structural testing and inspection required for their convenience. Inspection work not part of the Structural Special Inspections may be performed by an Inspection Agency of the Contractor’s choosing, unless noted otherwise.

1.6 INFORMATIONAL SUBMITTALS

A. General: Furnish submittals in quantity, format, and other Conditions of the Contract and as specified in Division 1 of the Project Manual.

B. Fabricator certificate of current good standing with Qualified Certification Program.

C. Fabricators exempt from special inspection shall submit a Certificate of Compliance to the structural engineer of record at the completion of fabrication stating that all work was completed in accordance with the approved construction documents.

1.7 QUALITY ASSURANCE

A. Qualified Certification Authorities: Subject to compliance with Kentucky Building Code Requirements, Qualified Certification Authorities providing certification which may be applicable to Project include:

1. American Concrete Institute (ACI).

2. American Institute of Steel Construction (AISC).

3. American Society of Nondestructive Testing (ASNT).

4. American Welding Society (AWS).

5. Cold Formed Steel Engineers Institute (CFSEI).

6. International Code Council (ICC).

7. National Institute of Certified Engineering Technology (NICET).

PART 2 – EXECUTION

2.1 PROGRESS MEETINGS

A. The Special Inspector’s designated Project Manager is to attend any pre-construction meetings which may be conducted at the construction site by the Structural Engineer to discuss quality issues.

THJA-2310 014110- 3

B. The Special Inspector’s designated Project Manager is to attend construction progress meetings which will be held at the construction site by the Architect, Engineer, and General Contractor.

2.2 CONTRACTOR’S RESPONSIBILITIES

A. Provide a complete copy of all structural shop drawings to the Structural Testing/Inspection Agency.

B. Coordinate with the Project Manager, Design Professional, and Using Agency to initiate a Pre-Installation Meeting, to be held at the construction site. Arrange and require relevant project managers and site foremen from the Subcontractors to attend the meeting to discuss quality issues.

C. Notify the Structural Testing/Inspection Agency sufficiently in advance of operations to allow assignment of personnel and scheduling of tests.

D. Cooperate with Structural Testing/Inspection Agency and provide access, including equipment with operator, to work. Access equipment includes, but is not limited to, man lifts, excavation equipment, etc.

E. Provide samples of materials to be tested in required quantities.

F. Provide storage space for Structural Testing/Inspection Agency's exclusive use, such as for storing and curing concrete testing samples. If required by Special Inspector, General Contractor shall provide cure box with electricity, water, and blankets for curing concrete specimens.

G. Provide labor to assist the Structural Testing/Inspection Agency in performing tests/inspections.

H. Construction and work for which Special Inspection is required shall remain accessible and exposed for special inspection purposes until the completion of the inspections and tests.

I. All parties who are to receive inspection and testing reports shall maintain an active email account, and ECOMM registration to receive reports by.

J. General Contractor shall create and maintain a discrepancy log on site. Log shall list each discrepancy documented by the Special Inspector; state the date of discovery and Special Inspector’s report number; and provide room for the Special Inspector to sign and date when said discrepancy is corrected. No work containing discrepancy shall be covered prior to having reinspection and approval by the Special Inspector.

K. Neither the observation of the Architect/Structural Engineer in the administration of the contract, nor tests/inspections by the Testing/Inspection Agency, nor approvals by any other person(s) shall relieve the Contractor from their obligation to perform the work in accordance with the Contract Documents.

2.3 SPECIAL INSPECTOR’S RESPONSIBILITIES

A. Cooperate with the Contractor and provide timely service.

B. Notify Contractor of minimum advance notice for each type of inspection/test.

C. Upon arriving at the construction site, sign in and notify the Contractor of presence.

THJA-2310 014110- 4

D. Select the representative samples that are to be tested/inspected.

E. Perform tests/inspections as outlined in the Contract Documents, the applicable codes, and as directed by the Structural Engineer.

F. Keep records of all inspections.

G. Furnish inspection reports to the Architect, Structural Engineer, and General Contractor weekly as construction progresses.

1. Each report shall include photographs of the project status and the typical work inspected and documented in that subject report. These general photographs are in addition to the required photograph at discrepancies.

2. Format of report deliverables shall be Special Inspection Report (PDF), Project Photographs (JPG), and Related Supporting Documentation (PDF).

H. Inform General Contractor and / or Fabricator of all discrepancies immediately for correction.

1. Document in writing correction of discrepancies.

2. Highlight discrepancies within the report.

a. The report shall include a text description of each discrepancy. Description shall convey the discrepancy location on the project and the issue.

b. The report shall include a photograph of each discrepancy observed in the field and/or in the shop. Photograph shall be labeled to convey location on project and the issue shown. (Photographs of material strength tests for concrete and/or masonry are not required, unless otherwise instructed.)

c. The report shall document the date that each discrepancy was initially discovered.

d. Inspection related discrepancies shall be reinspected by the Special Inspector along the course of the project and prior to concealment by other work.

Subsequent reports shall document date that prior discrepancy was confirmed to be corrected.

3. If discrepancies are not corrected, the discrepancies shall be brought to the attention of the Code Official and the Structural Engineer prior to the completion of that phase of the work.

I. Leave copies of field notes with the Contractor prior to leaving the construction site. Field notes shall include the message given to the Contractor, date, time of message, name of Contractor's representative informed, type and location of work or materials tested/inspected, whether the work or materials complies with Contract Documents and name of the Structural Testing/Inspection Agency's representative.

J. Immediately notify General Contractor, Architect, and Structural Engineer by separate letter if work yet to be inspected is found on site that is either being covered by other work or was to receive continuous inspection.

K. Structural Testing/Inspection Agency shall not alter requirements of Contract Documents, approve or reject any portion of the work, or perform duties of the Contractor.

L. Submit a final report of inspections documenting completion of all required Special Inspections and correction of any discrepancies noted in inspections to the Structural Engineer. Final report shall be prepared by, sealed, and signed by the Special Inspector

THJA-2310 014110- 5

and shall include a complete list of materials and work inspected during the course of the project. One copy of said report is to be provided to the Contractor for their record.

END OF SECTION 014110

KYTC – Clay County District Office SECTION 030300

DECA # 609-C91E-Z001-A26 STRUCTURAL EXCAVATION AND BACKFILL

STRUCTURAL EXCAVATION AND BACKFILL 030300 - 1

SECTION 030300 – STRUCTURAL EXCAVATION AND BACKFILL

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Structural Excavation and Backfill includes:

1. Excavating and backfilling for building foundations from subgrade.

2. Subsurface drainage backfill for foundation walls.

3. Slab subbase.

B. Related Sections: The following Sections contain requirements that relate to this Section:

1. Division 1 Section “Structural Special Inspection.”

2. Division 3 Section "Cast-in-Place Concrete."

1.3 DEFINITIONS

A. Backfill: Soil material or controlled low-strength material (flowable fill) used to fill an excavation.

B. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

C. Drainage Course: Free-draining aggregate layer supporting the slab-on-grade that also minimizes upward capillary flow of pore water.

D. Excavation: Removal of material encountered above bearing elevations and to lines and dimensions indicated.

1. Bulk (Mass) Excavation: Excavation more than 10 feet in width and more than 30 feet in length.

2. Unauthorized Excavation: Excavation below bearing elevations or beyond indicated lines and dimensions without direction by Architect. Unauthorized excavation, as well as remedial work directed by Architect, shall be without additional compensation.

E. Fill: Soil materials used to raise existing grades.

F. Rock: Rock material in beds, ledges, unstratified masses, conglomerate deposits, and boulders of rock material that exceed 3/4 cu. yd. for footing excavation that cannot be removed by rock excavating equipment equivalent to the following in size and performance ratings, without systematic drilling, ram hammering, ripping, or blasting, when permitted:

1. Excavation of Footings: Late-model, track-mounted hydraulic excavator; equipped with a 42-inch- wide, maximum, short-tip-radius rock bucket; rated at not less than 138-hp flywheel power with bucket-curling force of not less than 28,700 lbf and stick-crowd force of not less than 18,400 lbf with extra-long reach boom; measured according to SAE J- 1179.

STRUCTURAL EXCAVATION AND BACKFILL 030300 - 2

G. Structures: Buildings, footings, foundations, retaining walls, slabs, or other man-made stationary features constructed above or below the ground surface as shown on the structural drawings.

H. Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill immediately below subbase, drainage fill, drainage course, or topsoil materials.

I. Utilities: On-site underground pipes, conduits, ducts, and cables, as well as underground services within buildings.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: Soil Classification Groups GW, GP, GM, GC, SW, SP, SM, SC, CH, and CL according to ASTM D 2487, or a combination of these groups; free of rock or gravel larger than 3 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter. No concentration of large fragments is permitted unless approved by Geotechnical Engineer and Architect.

1. Plasticity Index: Less than 30.

2. Liquid Limit: Less than 50.

3. Swell potential: Less than 50 psf.

4. Maximum dry density of at least 100 pounds per cubic foot.

C. Unsatisfactory Soils: Soil Classification Groups ML, OL, MH, OH, and PT according to ASTM D 2487, or a combination of these groups.

1. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of optimum moisture content at time of compaction.

2. Shot rock, asphalt, and coal fragments.

3. Organics content shall be less than 5%. Limit total depth of soil fills with organic contents over 4% to 24”.

D. Subbase Material (Dense Graded Aggregate): Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; meeting Kentucky Transportation Cabinet Standard Specification for dense graded aggregate; with at ¾” maximum nominal size aggregate and not more than 13 percent passing a No. 200 sieve.

E. Wall Backfill (Crushed Stone): Narrowly graded mixture of crushed stone, or crushed or uncrushed gravel; meeting Kentucky Transportation Cabinet Standard Specification for #57 stone; ASTM D 448; coarse-aggregate grading Size 57; with 100 percent passing a 1-1/2-inch sieve and 0 to 5 percent passing a No. 8 sieve.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earth moving operations.

STRUCTURAL EXCAVATION AND BACKFILL 030300 - 3

B. Protect and maintain erosion and sedimentation controls during earth moving operations.

C. Protect subgrades and foundation soils from freezing temperatures and frost. Remove temporary protection before placing subsequent materials.

3.2 DEWATERING

A. Prevent surface water and ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area.

B. Protect subgrades from softening, undermining, washout, and damage by rain or water accumulation.

1. Reroute surface water runoff away from excavated areas. Do not allow water to accumulate in excavations. Do not use excavated trenches as temporary drainage ditches.

C. All undercut and engineered backfill remedial work recommended by the Special Inspector and caused by inadequate dewatering and drainage practices during construction shall be provided at no additional cost to Owner.

3.3 EXCAVATION, GENERAL

A. Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface and subsurface conditions encountered. Unclassified excavated materials may include rock, soil materials, and obstructions. No changes in the Contract Sum or the Contract Time will be authorized for rock excavation or removal of obstructions.

1. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials.

2. Remove rock to lines and grades indicated to permit installation of permanent construction without exceeding the following dimensions:

a. 24 inches outside of concrete forms other than at footings.

b. 12 inches outside of concrete forms at footings.

c. 6 inches outside of minimum required dimensions of concrete cast against grade.

d. 6 inches beneath bottom of concrete slabs-on-grade.

3.4 STRUCTURAL EXCAVATION

A. Excavate to indicated elevations and dimensions within a tolerance of plus or minus 1 inch. If applicable, extend excavations a sufficient distance from structures for placing and removing concrete formwork, for installing services and other construction, and for inspections.

1. Excavations for footings and foundations: Do not disturb bottom of excavation. Excavate by hand to final grade just before placing concrete reinforcement. Trim bottoms to required lines and grades to leave solid base to receive other work.

2. Remove loose soil, debris, and excess surface water from the bearing surface prior to concrete placement.

3.5 UNAUTHORIZED EXCAVATION

A. Fill unauthorized excavation under foundations or wall footings by extending bottom elevation of concrete foundation or footing to excavation bottom, without altering top elevation. Lean

STRUCTURAL EXCAVATION AND BACKFILL 030300 - 4

concrete fill, with 28-day compressive strength of 1500 psi, may be used when approved by Architect.

1. Fill unauthorized excavations under other construction, pipe, or conduit as directed by Architect.

3.6 STORAGE OF SOIL MATERIALS

A. Stockpile borrow soil materials and excavated satisfactory soil materials without intermixing.

Place, grade, and shape stockpiles to drain surface water. Cover to prevent windblown dust.

1. Stockpile soil materials away from edge of excavations. Do not store within drip line of remaining trees.

3.7 BACKFILL, GENERAL

A. Place and compact backfill in excavations promptly, but not before completing the following:

1. Construction below finish grade including, where applicable, subdrainage, dampproofing, waterproofing, and perimeter insulation.

2. Surveying locations of underground utilities for Record Documents.

3. Testing and inspecting underground utilities.

4. Removing concrete formwork.

5. Removing trash and debris.

B. Place backfill on subgrades free of mud, frost, snow, or ice.

3.8 SOIL FILL

A. Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal so fill material will bond with existing material.

B. Place and compact engineered fill material in layers to required elevation.

C. Place fill on subgrades free of mud, frost, snow, or ice.

3.9 SOIL/GRAVEL BACKFILLS AND FILLS

A. Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Place backfill gravel (KYTC #57 stone) in layers not more than 8 inches in loose depth and tamp in place. Use hand-operated tampers (plate compactors) where grade differential, at time of tamping, is more than 12-inches on each side of wall or where backfill area extent or accessibility does not facilitate the use of heavy compaction equipment.

C. Place backfill gravel and fill soil materials evenly on all sides of structures to required elevations, and uniformly along the full length of each structure.

3.10 GRADING

A. General: Uniformly grade areas to a smooth surface, free of irregular surface changes. Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

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1. Provide a smooth transition between adjacent existing grades and new grades.

2. Cut out soft spots, fill low spots, and trim high spots to comply with required surface tolerances.

B. Grading inside Building Lines: Finish subgrade to a tolerance of 1/2 inch when tested with a 10-foot straightedge.

3.11 SUBBASE UNDER CONCRETE SLABS-ON-GRADE

A. Place subbase on subgrades free of mud, frost, snow, or ice.

B. On prepared subgrade, place and compact subbase under cast-in-place concrete slabs-on-grade as follows:

1. Place subbase 6 inches or less in compacted thickness in a single layer.

2. Place subbase that exceeds 6 inches in compacted thickness in layers of equal thickness, with no compacted layer more than 6 inches thick or less than 3 inches thick.

3. Compact each layer of subbase to required cross sections and thicknesses to not less than 98 percent of maximum dry unit weight according to ASTM D 698.

3.12 FIELD QUALITY CONTROL

A. General: The Owner will employ a testing agency that meets the requirements of ASTM E329 to perform tests and to submit test reports. Failure to detect any defective materials shall not prevent later rejection when such defect is discovered or obligate the Architect or Owner for final acceptance.

1. See Section 014110 – Structural Special Inspections and Contract Drawings for testing and inspection to be performed.

2. Test results will be reported in writing to the Architect, Engineer, and General Contractor within 24 hours after tests.

B. Allow testing agency to inspect and test subgrades and each fill or backfill layer. Proceed with subsequent backfill or foundation placement only after test results for previously completed work comply with requirements.

C. When testing agency reports that subgrades, fills, or backfills have not achieved degree of compaction specified, scarify and moisten or aerate, or remove and replace soil materials to depth required; recompact and retest until specified compaction is obtained.

3.13 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Remove surplus satisfactory soil and waste materials, including unsatisfactory soil, trash, and debris, and legally dispose of them off Owner's property.

END OF SECTION 030300

KYTC – Clay County District Office SECTION 033000

DECA # 609-C91E-Z001-A26 CAST-IN-PLACE CONCRETE

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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 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section specifies cast-in-place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes. This section applies to concrete work shown on the structural drawings. See Division 32 for site concrete.

B. Cast-in-place concrete includes the following:

1. Lean concrete backfill and mudmats.

2. Drilled piers.

3. Foundations and footings.

4. Grade beams.

5. Structural slabs-on-grade.

6. Foundation walls.

7. Equipment pads and bases.

8. Grout below column base and bearing plates.

C. Related Sections: The following Sections contain requirements that relate to this Section:

1. Division 1 Section “Structural Special Inspection.”

2. Division 1 Section “Sustainable Design and LEED Requirements”.

3. Division 3 Section “Structural Excavation and Backfill” for preparation and excavation of foundations and stone drainage fill.

4. Division 5 Section “Structural Anchors.”

5. Division 7 Section “Thermal and Moisture Protection.”

D. Sustainable Design Intent: Comply with project requirements intended to achieve sustainable design, measured and documented according to the LEED Green Building Rating System, of the US Green Building Council.

E. Coordination: Unless other satisfactory agreements are specifically entered into by contractors concerned, all miscellaneous iron and steel, sleeves, anchors, etc., required by work of other contractors, will be furnished and installed by such other contractors with the cooperation of this contractor.

1.3 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement and fly ash; materials subject to compliance with requirements.

B. W/C Ratio: The ratio by weight of water to cementitious materials.

1.4 ACTION SUBMITTALS

A. General: Furnish submittals in quantity, format, and other Conditions of the Contract and as specified in Division 1 of the Project Manual.

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B. LEED Submittals and Building Product Disclosure Requirements: To encourage the use of building products that are working to minimize their environmental and health impacts, provide the following information:

1. Environmental Product Declarations.

2. Material Ingredients Documentation demonstrating the chemical inventory of the product to at least 0.1% (1000ppm).

3. Certifications.

a. Manufacturer Inventory.

b. Cradle to Cradle (C2C) certifications.

c. Health Product Declarations HPD.

d. Declare product labels.

e. GreenScreenv1.2 Benchmark.

4. Product Data: For paints and coatings indicating compliance with General Emissions evaluation and VOC content requirements.

5. Product Data: For adhesives and sealants indicating compliance with General Emissions evaluation and VOC content requirements.

6. For wet-applied products, track and submit volume used.

7. Include documentation for regional materials, indicating location and distance from

Project of material manufacturer and point of extraction, harvest, or recovery for each raw material and costs of regional materials.

8. Product data and certification letter from product manufacturers, indicating percentages by weight of postconsumer and pre-consumer recycled content for products having recycled content. Include statement of costs.

9. EQp2/EQc3/EQc4, Indoor Air Quality: Comply with submittal requirements of Section "Indoor Air Quality Management."

C. Design Mixtures: For each concrete mixture with laboratory test reports for the following data. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

1. Method used to determine the proposed mix design (per ACI 301, Section 4).

2. Gradation and quantity of fine and coarse aggregates.

3. Proportions of all ingredients including all admixtures added either at the time of batching or at the job site. Indicate amounts of mixing water to be withheld for later addition at Project site.

4. Water/cement ratio and water/cementitious ratio.

5. Slump – ASTM C143.

6. Certification and test results of the total water-soluble chloride ion content of the design mix – FHWA RD-77 or AASHTO T 260-84.

7. Air content of freshly mixed concrete by the pressure method, ASTM C231, or the volumetric method, ASTM C173.

8. Unit weight of concrete – ASTM C138.

9. Strength at 7- and 28-days for structural concrete– ASTM C39. Document strength on basis of previous field experience or trial mixtures, per ACI 301 Section 4. Submit strength test records, mix design materials, conditions, and proportions for concrete used for record of tests, standard calculation, and determination of required average compressive strength.

10. Complete and include Structural Engineer’s standard mix design submittal form for each mix. A blank copy is included at the end of this section.

D. Steel Reinforcement Shop Drawings: Fabrication and placing drawings for reinforcement detailing, fabricating, bending, and placing concrete reinforcement. Comply with ACI SP- 066(04) “ACI Detailing Manual” showing bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical

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connections, tie spacing, hoop spacing, and supports for concrete reinforcement. Include special reinforcing required for openings through concrete structures.

1. Computer generated electronic structural construction document files (ACAD) will be made available to the Contractor. The Contractor will be required to sign the Engineer’s standard release of liability form prior to receiving the drawing files. Rules for use of said files shall be as defined in the CRSI “Code of Standard Practice” Sections 4.19 and 6.4.1.

2. Shop drawing resubmittals are reviewed for conformance with review marks only.

Any changes or questions originating on a resubmittal shall be clearly clouded.

E. Product Data: For proprietary materials and items, including reinforcement and forming accessories, admixtures, patching compounds, vapor retarder, mechanical reinforcing splice couplers, curing compounds, and others if requested by Architect.

F. Drawings showing proposed construction and/or contraction joint locations if Contractor proposes to vary from construction documents.

1.5 INFORMATIONAL SUBMITTALS

A. General: Furnish submittals in quantity, format, and other Conditions of the Contract and as specified in Division 1 of the Project Manual.

B. Laboratory test reports for concrete materials or material certificates in lieu of material laboratory test reports. Material certificates shall be signed by Manufacturer and Contractor, certifying that each material item complies with or exceeds specified requirements. Provide certification from admixture manufacturers that chloride content complies with specification requirements.

C. Survey of the as-built locations of column anchor rods shall be submitted to the Architect, Engineer, and General Contractor.

D. Written notification that the concrete in the grade beams, piers, or other bearing support has attained, on the basis of an appropriate ASTM standard test method of field-cured samples, a minimum of 75% of the intended minimum compressive design strength.

1.6 QUALITY ASSURANCE

A. Codes and Standards: Comply with provisions of the following codes, specifications, and standards, except where more stringent requirements are shown or specified. Each contractor having reference to ACI Documents shall maintain copies of same on project site.

AMERICAN CONCRETE INSTITUTE

1. ACI 117-10 – Specifications for Tolerances for Concrete Construction and Materials.

2. ACI 211.1-91 – Standard Practice for Selecting Proportions Normal, Heavyweight and

Mass Concrete (Reapproved 2009).

3. ACI 301-10 – Specification for Structural Concrete.

4. ACI 302.1R-04 – Guide for Concrete Floor and Slab Construction.

5. ACI 304.2R-96 – Placing Concrete by Pumping Methods (Reapproved 2008).

6. ACI 305R-10 – Guide to Hot Weather Concreting.

7. ACI 306R-10 – Guide to Cold Weather Concreting.

8. ACI 308R-01 – Guide to Curing Concrete (Reapproved 2008).

9. ACI 309R-05 – Guide for Consolidation of Concrete.

10. ACI 311.1R-07 – ACI Manual of Concrete Inspection.

11. ACI 318-14 – Building Code Requirements for Structural Concrete and Commentary.

12. ACI 347-04 – Guide to Formwork for Concrete.

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13. SP-66 – ACI Detailing Manual.

CONCRETE REINFORCING STEEL INSTITUTE (CRSI):

1. CRSI – Manual of Standard Practice.

2. CRSI RB4.1 – Supports for Reinforcement Used in Concrete (2014a)

3. CRSI – Placing Reinforcing Bars (2011)

B. Qualifications of Workers: Use adequate numbers of skilled workers who are thoroughly trained and experienced in the necessary crafts and who are completely familiar with the specified requirements and the methods needed for proper execution of the work required by this Division.

C. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C 94 requirements for production facilities and equipment.

D. Preinstallation Conference: Conduct conference at Project site to comply with requirements of Division 1 Section “Project Meetings” and the following:

1. At least 35 days prior to start of the concrete construction schedule, the contractor shall conduct a meeting to review the proposed mix designs and to discuss the required methods and procedures to achieve the required concrete construction.

2. The contractor shall require responsible representatives of every party who are concerned with the concrete work to attend the conference, including but not limited to, the following:

a. Contractor’s superintendent – Laboratory responsible for the concrete design mix – Laboratory responsible for field quality control – Concrete subcontractor – Ready-mix concrete producer – Admixture manufacturer(s) – Concrete pumping contractor – Special Inspector.

3. The Architect and the Owner’s Representative may be present at the conference. The Contractor/Construction Manager shall notify the Architect at least five days prior to the scheduled date of the conference.

4. Minutes of the meeting shall be recorded, typed and printed by the Contractor and distributed by them to all parties concerned within five days of the meeting. One copy of the minutes shall also be transmitted to the following for information purposes:

Owner’s representative – Resident engineer – Consultant engineer.

E. Contractor shall be responsible for conducting a survey of the as-built locations of anchor rods, foundation bolts, and other embedded items. Survey to include embed placement, bolt projection, and top of foundation elevation. Survey to be conducted by a Professional Land Surveyor.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver steel reinforcement and concrete to Project site in such quantities and at such times to ensure continuity of installation.

B. Store materials to permit easy access for inspection and identification. Keep steel reinforcement off ground by using pallets, platforms, dunnage, or other supports and spacers.

C. Do not store materials on structure in a manner that might cause distortion, damage, or overload to members or supporting structures. Repair or replace damaged materials or structures as directed.

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D. Store waterstops and packaged materials in sealed containers with manufacturer's labels intact. Place under cover to protect from moisture, sunlight, dirt, oil, and other contaminants.

PART 2 - PRODUCTS

2.1 GENERAL

A. Low-emitting Requirements For Paints and Coatings, Adhesives and Sealants, Liquid Floor Treatment Products, and any Insulation Products internal to the weatherproofing envelope.

1. General Emissions Evaluation: Paints and Coatings must be tested and determined compliant in accordance with California Department of Public Health (CDPH) Standard Method v1.1–2010, using the applicable exposure scenario.

2. Show compliance with VOC limits as detailed in Section 01 8116 “VOC Limits for Adhesives, Sealants, Paints, and Coatings.”

3. VOC Content Requirements for Wet Applied Products: All paints and coatings wet-applied on site must meet the applicable VOC limits of the California Air Resources Board (CARB) 2007, Suggested Control Measure (SCM) for Architectural Coatings, or the South Coast Air Quality Management District (SCAQMD) Rule 1113, effective February 5, 2016.

4. Methylene chloride and perchloroethylene shall not be intentionally added in paints, coatings, adhesives, or sealants.

5. Do not use adhesives that contain urea formaldehyde.

6. Free of Formaldehyde: Insulation manufactured with 100 percent acrylic binders and no formaldehyde.

B. Recycled Content of Steel Products: Provide products with an average recycled content of steel products so postconsumer recycled content plus one-half of preconsumer recycled content is not less than the following:

1. Rebar: 90 percent.

2.2 FORM MATERIALS

A. Forms for Exposed (Smooth) Finish Concrete: Exterior-grade high-density overlay (Class 1 or better), medium-density overlay (Class 1 or better with mill-release agent treated and edge sealed), or Structural1 or Class 1 (B-B or better, mill oiled and edge sealed) plywood panels complying with DOC PS1; or new metal-framed and metal faced panels; or other acceptable panel-type materials to provide continuous, straight, and smooth exposed surfaces. Furnish in largest practicable sizes to minimize number of joints.

B. Forms for Unexposed, Rough-Formed Finish Concrete: Plywood, lumber, metal or another acceptable material. Provide lumber dressed on at least two edges and one side for tight fit.

C. Chamfer Strips: Non-staining dressed wood, metal, PVC, or rubber strips; ¾ by ¾ inch, minimum, and as shown on Drawings; in longest practical lengths.

D. Form-Release Agent: Commercially formulated form-release agent with maximum volatile organic compounds (VOCs) not to exceed those allowable by jurisdictional regulations that will not bond with, stain, or adversely affect concrete surfaces and will not impair subsequent treatments of concrete surfaces.

1. Formulate form-release agent with rust inhibitor for steel form-facing materials.

E. Form Ties (Standard): Factory-fabricated, adjustable-length, removable or snap-off glass-fiber-reinforced plastic or metal form ties designed to resist lateral pressure of plastic

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concrete on forms, prevent form deflection, and to prevent spalling of concrete upon removal.

1. Furnish units that leave no corrodible metal closer than 1 inch to the plane of the exposed concrete surface.

2. Furnish ties that, when removed, leave holes no larger than 1 inch in diameter in concrete surface.

3. Furnish ties with integral water-barrier plates to walls indicated to receive dampproofing or waterproofing.

F. Form Joint Tape: Compressible foam tape; pressure sensitive; AAMA800, “Specification 810.1, Expanded Cellular Glazing Tape”; minimum ¼ inch thick.

G. Form Joint Sealant: Elastomeric sealant complying with ASTM C920, Type M or S, Grade NS, that adheres to form joint substrates.

2.3 REINFORCING MATERIALS

A. Reinforcing Bars: ASTM A 615, Grade 60,…