Amendment 2.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

The purpose of this amendment is to add the (1) Plumbing Insulation 22 07 00 specs and the (2) Terracon Geotechnical Report dated 9/17/2021. Please see the following pages for these items.

General Services Administration Public Buildings Service Region 5 - Acquisition Management Division

47PF0024R0080

1 1

08/09/2024

07/18/2024

Basement Slab Void Fill Wall Replacement PBS Region 5

Kinneary U.S. Courthouse, Columbus, OH PCN: ROH11313

INSULATION FOR PLUMBING PIPING 220700-1

PROPERTY OF THE UNITED STATES GOVERNMENT

FOR OFFICIAL USE ONLY

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SECTION 220700 - INSULATION FOR PLUMBING PIPING

PART 1 - GENERAL

1.1 DESCRIPTION

A. The General Conditions, Special Conditions and Division 1 through Division 32 as set forth in these specifications are hereby incorporated into and shall become a part of the specifications for work under this Section.

1.2 SUMMARY

A. This Section includes pre-formed, rigid and flexible pipe insulation; insulating cements; field-applied jackets; accessories and attachments; and sealing compounds.

1.3 SUBMITTALS

A. Product Data: Identify thermal conductivity, thickness and jackets (both factory and field applied, if any) for each type of product indicated.

B. Shop Drawings: Show fabrication and installation details for the following:

1. Application of protective shields, saddles and inserts at pipe hangers for each type of insulation and hanger.

2. Insulation application at elbows, fittings, flanges, valves and specialties for each type of insulation.

3. Removable insulation at piping specialties and equipment connections.

4. Application of field-applied jackets.

1.4 QUALITY ASSURANCE

A. Installer: Company specializing in performing work of this Section with minimum three years documented experience.

B. Fire-Test-Response Characteristics: As determined by testing materials identical to those specified in this Section according to ASTM E 84, by a testing and inspecting agency acceptable to authorities having jurisdiction. Factory label insulation and jacket materials and sealer and cement material containers with appropriate markings of applicable testing and inspecting agency.

1. Insulation Installed Indoors: Flame-spread rating of 25 or less; and smoke-developed rating of

50 or less.

C. ASHRAE Standards: Comply with performance efficiencies prescribed for ASHRAE 90.1, "Energy

Efficient Design for New Buildings, Except Low Rise Residential Buildings" for pipe insulation.

D. No damaged or water soaked insulation shall be used.

INSULATION FOR PLUMBING PIPING 220700-2

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1.5 DELIVERY, STORAGE AND HANDLING

A. Packaging: Ship insulation materials in containers marked by manufacturer with appropriate ASTM specification designation, type and grade and maximum use temperature.

1.6 COORDINATION

A. Coordinate size and location of supports, hangers and insulation shields.

B. Coordinate clearance requirements with piping installer for insulation application.

1.7 SCHEDULING

A. Schedule insulation application after testing piping systems. Insulation application may begin on segments of piping that have satisfactory test results.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one (1) of the manufacturers specified.

1. Glass Fiber Insulation:

a. CertainTeed Manson.

b. Johns Manville.

c. Knauf Fiberglass GmbH.

d. Owens-Corning Fiberglass Corp.

3. Unless noted otherwise, none of the manufacturers listed for products under this Section shall be considered Basis-of-Design.

2.2 INSULATION MATERIALS

A. Glass Fiber Insulation w/ ASA jacket: Glass fibers bonded with a thermosetting resin complying with the following:

1. Preformed Pipe Insulation: Comply with ASTM C 547, Type 1, with factory-applied, all-purpose, vapor-retarder jacket.

2. Fire-Resistant Adhesive: Comply with MIL-A-3316C in the following classes and grades:

a. Class 1, Grade A for bonding glass cloth and tape to unfaced glass-fiber insulation, for sealing edges of glass-fiber insulation, and for bonding lagging cloth to unfaced glass-fiber insulation.

b. Class 2, Grade A for bonding glass-fiber insulation to metal surfaces.

3. Vapor-Retarder Mastics: Fire- and water-resistant, vapor-retarder mastic for indoor

INSULATION FOR PLUMBING PIPING 220700-3

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Properly destroy documents when no longer needed applications. Comply with MIL-C-19565C, Type II.

4. Glass Fiber Insulating Cements: Comply with ASTM C 195.

5. Glass Fiber, Hydraulic-Setting Insulating and Finishing Cement: Comply with ASTM C 449.

B. Prefabricated Thermal Insulating Fitting Covers: Comply with ASTM C 450 for dimensions used in performing insulation to cover valves.

2.3 FIELD-APPLIED JACKETS.

A. General: ASTM C 921, Type 1, unless otherwise indicated.

B. Standard PVC Fitting Covers for all interior insulated fittings: Factory-fabricated fitting covers manufactured from 20-mil thick, high-impact, ultraviolet-resistant PVC.

1. Shapes: 45- and 90-degree, short- and long-radius elbows, tees, valves, flanges, reducers, end caps, soil-pipe hubs, traps and mechanical joints.

2. Cover fittings with insulation prior to fitting cover installation.

3. Adhesive: As recommended by insulation material manufacturer.

4. Rated for 25/50 fire smoke spread if used in return air ceiling plenums.

C. Aluminum Jacket: Aluminum roll stock, ready for shop or field cutting and forming to indicated sizes for all exterior insulation. Comply with ASTM B 209, 3003 alloy, H-14 temper.

1. Finish and Thickness: Stucco-embossed finish, 0.020-inch thick.

2. Cover fittings with insulation prior to fitting cover installation

3. Moisture Barrier: 1-mil thick, heat-bonded polyethylene and kraft paper.

4. Elbows: Preformed, 45- and 90-degree, short- and long-radius elbows; same material, finish and thickness as jacket.

D. Glass Cloth Covering: Self-adhesive, mastic impregnated, rewettable cloth on exposed insulation and fittings in all occupied areas.

1. Thickness: 0.028 inches

2. Maximum Service Temperature: 450 degrees F.

3. Density: 14.3 oz/sq yd

4. Surface Burning Characteristic: 25/50 per ASTM E84

2.4 ACCESSORIES AND ATTACHMENTS

A. Bands: 3/4 inch wide, in 0.007 inch thick aluminum.

B. Wire: 0.080 inch, nickel-copper alloy; 0.062 inch, soft-annealed, stainless steel; or 0.062 inch soft-annealed, galvanized steel.

C. Glass Cloth and Tape: Comply with MIL-C-20079H, Type I for cloth and Type II for tape. Woven glass-fiber fabrics, plain weave pre-sized a minimum of 14.3 oz/sq. yd. Tape width shall be continuous and a minimum of 4 inches.

INSULATION FOR PLUMBING PIPING 220700-4

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2.5 VAPOR RETARDERS

A. Mastics: Materials recommended by insulation material manufacturer that are compatible with insulation materials, jackets and substrates.

PART 3 – EXECUTION

3.1 EXAMINATION

A. Examine substrates and conditions for compliance with requirements for installation and other conditions affecting performance of insulation application.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Surface Preparation: Clean and dry pipe and fitting surfaces. Remove materials that will adversely affect insulation application.

3.3 GENERAL APPLICATION REQUIREMENTS

A. Apply insulation materials, accessories, and finishes according to the manufacturer's written instructions; with smooth, straight, and even surfaces; free of voids throughout the length of piping, including fittings, valves and specialties.

B. Refer to schedules at the end of this Section for materials, forms, jackets and thicknesses required for each piping system.

C. Use accessories compatible with insulation materials and suitable for the service. Use accessories that do not corrode, soften, or otherwise attack insulation or jacket in either wet or dry state.

D. Apply insulation with longitudinal seams at top and bottom of horizontal pipe runs.

E. Apply multiple layers of insulation with longitudinal and end seams staggered.

F. Do not weld brackets, clips, or other attachment devices to piping, fittings, and specialties.

G. Seal joints and seams with vapor-retarder mastic on insulation indicated to receive a vapor retarder.

H. Keep insulation materials dry during application and finishing. Should insulating materials become wet during application and finishing, they shall be removed, discarded and replaced with new material at the Contractor’s expense.

I. Apply insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive recommended by the insulation material manufacturer.

J. Apply insulation with the least number of joints practical.

INSULATION FOR PLUMBING PIPING 220700-5

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K. Apply insulation over fittings, valves, and specialties, with continuous thermal and vapor-retarder integrity, unless otherwise indicated. Refer to special instructions for applying insulation over fittings, valves and specialties.

L. Hangers and Anchors:

1. Apply insulation continuously through hangers and around anchor attachments.

2. For insulation application where vapor retarders are indicated, extend insulation on anchor legs at least 12 inches from point of attachment to pipe and taper insulation ends. Seal tapered ends with a compound recommended by the insulation material manufacturer to maintain vapor retarder.

3. Install insert materials and apply insulation to tightly join the insert. Seal insulation to insulation inserts with adhesive or sealing compound recommended by the insulation material manufacturer.

4. Cover inserts with jacket material matching adjacent pipe insulation. Install shields over jacket, arranged to protect the jacket from tear or puncture by the hanger, support and shield.

M. Insulation Terminations: For insulation application where vapor retarders are indicated, taper insulation ends. Seal tapered ends with a compound recommended by the insulation material manufacturer to maintain vapor retarder.

N. Apply adhesives and mastics at the manufacturer's recommended coverage rate.

O. Apply insulation with integral jackets as follows:

1. Pull jacket tight and smooth.

2. Circumferential Joints: Cover with 3-inch wide strips, of same material as insulation jacket.

Secure strips with adhesive and outward clinching staples along both edges of strip and spaced 4 inches o.c.

3. Longitudinal Seams: Overlap jacket seams at least 1-1/2 inches. Apply insulation with longitudinal seams at bottom of pipe. Clean and dry surface to receive self-sealing lap.

Staple laps with outward clinching staples along edge at 4 inches o.c.

a. EXCEPTION: Do not staple longitudinal laps on insulation having a vapor retarder.

4. Vapor-Retarder Mastics: Where vapor retarders are indicated, apply mastic on seams and joints and at ends adjacent to flanges, unions, valves, and fittings.

5. At penetrations in jackets for thermometers and pressure gages, fill and seal voids with vapor-retarder mastic.

P. Exterior Wall Penetrations: For penetrations of below-grade exterior walls, terminate insulation flush with mechanical sleeve seal. Seal terminations with vapor-retarder mastic.

Q. Interior Wall and Partition Penetrations: Apply insulation continuously through walls and floors.

R. Fire-Rated Wall and Partition Penetrations: Apply insulation continuously through penetrations of fire-rated walls and partitions. Firestopping and fire-resistive joint sealers are specified in

Division 7 Section "Fire Stopping."

INSULATION FOR PLUMBING PIPING 220700-6

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S. Floor Penetrations: Apply insulation continuously through floor assembly. For insulation with vapor retarders, seal insulation with vapor-retarder mastic where floor supports penetrate vapor retarder.

3.4 MINERAL FIBER INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows:

1. Secure each layer of preformed pipe insulation to pipe with wire, tape, or bands without deforming insulation materials.

2. Where vapor retarders are indicated, seal longitudinal seams and end joints with vapor-retarder mastic. Apply vapor retarder to ends of insulation at intervals of 15 to 20 feet to form a vapor retarder between pipe insulation segments.

3. For insulation with factory-applied jackets, secure laps with outward clinched staples at 6 inches on center.

4. For insulation with factory-applied jackets with vapor retarders, do not staple longitudinal tabs but secure tabs with additional adhesive as recommended by the insulation material manufacturer and seal with vapor-retarder mastic.

5. All exposed ends for mineral fiber insulation shall be neatly trimmed and beveled. All exposed insulation material shall be covered with mastic.

B. Apply insulation to flanges as follows:

1. Apply preformed pipe insulation to outer diameter of pipe flange.

2. Make width of insulation segment the same as overall width of the flange and bolts, plus twice the thickness of the pipe insulation.

3. Fill voids between inner circumference of flange insulation and outer circumference of adjacent straight pipe segments with mineral-fiber blanket insulation.

4. Apply canvas jacket material with manufacturer's recommended adhesive, overlapping seams at least 1 inch and seal joints with vapor-retarder mastic.

C. Apply insulation to fittings and elbows as follows:

1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when available. Secure according to manufacturer's written instructions and cover with insulating cement troweled smooth.

2. When premolded insulation elbows and fittings are not available, apply mitered sections of pipe insulation, or glass-fiber blanket insulation, to a thickness equal to adjoining pipe insulation. Secure insulation materials with tape and cover with insulating cement troweled smooth.

3. Cover fittings with standard PVC fitting covers.

D. Apply insulation to valves and specialties as follows:

1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when available. Secure according to manufacturer's written instructions.

2. When premolded insulation sections are not available, apply glass-fiber blanket insulation to valve body. Arrange insulation to permit access to packing and to allow valve operation without disturbing insulation. For check valves, arrange insulation for access to strainer

INSULATION FOR PLUMBING PIPING 220700-7

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3.5 GLASS FIBER INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows:

1. Secure each layer of insulation to pipe with wire, tape, or bands without deforming insulation materials.

2. Where vapor retarders are indicated, seal longitudinal seams and end joints with vapor-retarder mastic.

3. For insulation with factory-applied jackets, secure laps with outward clinched staples at 6 inches o.c.

4. For insulation with factory-applied jackets with vapor retarders, do not staple longitudinal tabs but secure tabs with additional adhesive as recommended by the insulation material manufacturer and seal with vapor-retarder mastic.

5. All exposed ends for cellular-glass insulation shall be neatly trimmed and beveled. All exposed insulation material shall be covered with mastic.

3.6 FIELD-APPLIED JACKET APPLICATION

A. Apply aluminum metal jacket for all exterior water piping, with 2-inch overlap at longitudinal seams and end joints. Overlap longitudinal seams arranged to shed water. Seal joints with weatherproof sealant recommended by insulation cover manufacturer. Secure jacket with stainless-steel bands 12 inches o.c. and at end joints.

B. Glass Cloth Covering: Self-adhesive, mastic impregnated, rewettable cloth on exposed insulated pipe and fitting covering in all occupied areas.

C. Aluminum Jacket: Aluminum roll stock, ready for shop or field cutting and forming to pipe sizes on insulated pipe and fitting covering in all exterior exposed areas.

3.7 PIPING SYSTEM APPLICATIONS

A. Piping Systems, materials and thicknesses are specified in Schedules within this section.

B. Items Not Insulated: Unless indicated otherwise, do not apply insulation to the following systems, materials and equipment:

1. Below-grade piping.

2. Chrome-plated piping and fittings, unless potential for personnel injury.

3. Valves and specialties.

4. Flexible connectors and vibration-control devices.

5. Fire-suppression piping.

INSULATION FOR PLUMBING PIPING 220700-8

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C. MINIMUM INSULATION THICKNESS FOR PIPING SYSTEMS AND PIPE SIZES

GLASS FIBER INSULATION SCHEDULE

Piping System Fluid Temperature Pipe sizes

1½” or Less 2” or More

Domestic Cold Water All ½” 1”

Domestic Hot Water All ½” 1”

Domestic Hot Water Return All ½” 1”

NOTE: The minimum listed thickness is based on a minimum R valve of 4.6. The thickness may vary if the insulation R value is different than 4.6. The minimum thickness shall be increased as required to meet ASHRAE 90.1-Table 6.8.3.

D. Insulation at fire walls: All insulated piping penetrating walls with a fire resistive rating shall be insulated with molded foamglass; ASJ-SSL covering with a dual purpose fireproof, kraft aluminum foil, laminated white jacket. Insulation to be of same thickness as adjoining insulation.

E. PIPE INSULATING SUPPORT

1. On insulated piping with pipe supports around outside of covering provide galvanized steel formed bearing plates. Plates to be lined with length of foam glass insulation.

a. 8" and smaller pipe: 12" long, 12-gauge plate

b. 10" and larger pipe: 24" long, 10-gauge plate

3.8 FIELD QUALITY CONTROL

A. Insulation applications will be considered defective if sample inspection reveals noncompliance with requirements. Remove defective Work and replace with new materials according to these Specifications.

END OF SECTION 220700

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C-5

C-1

C-1

C-4

C-2

C-3

C-7

C-8

C-6

C-5

EXAMPLE

SENSITIVE BUT UNCLASSIFIED (SBU) PROPERTY OF THE UNITED STATES GOVERNMENT FOR OFFICIAL USE ONLY Do not remove this notice Properly destroy or return documents when no longer needed

OH0046 B1

LEGEND

DENOTES TERRACON CORE LOCATION

AND NUMBER (TYPICAL)

Terracon Consultants Core Location Plan J.P. Kinneary Courthouse Settlement Investigation Terracon Project No. N4205200 - September 2021

Terracon Consultants Coring Location Photographs J P Kinneary Courthouse Interior Settlement Investigation – Columbus, OH Terracon Project No. N4205200

Photo 1: Core No. 1 Location Room B-07 – 2” +/- void under slab. Note settlement cracking in adjacent wall section.

Photo 2: Location C-1 Room B-07 – Slab 0.75” out of level over 4’.

Photo 3: Core C-1 Room B-07 – 8.5” +/- thick SOG w/ No. 3 resteel mat. Sandy Lean Clay w/ gravel and cobbles subgrade material w/ 2” +/- void under slab.

Photo 4: Core 2 Location Room B-11 No voids under 6.5” +/- slab. No. 3 resteel mat in bottom third of slab. Subgrade Lean Clay w/ gravel, sand and cobbles.

Photo 5: Core C-2 Room B-11- Slab 0.25” +/- out of level over 4’.

Photo 6: Core C-3 Location Room B-17 under Stairwell. 1” +/- void space under slab. 1.75” topping mix over 5.75” +/- base slab w/ No. 3 resteel mat mid-slab.

Photo 7: Core C-3 Location – Topping mix over No. 3 resteel reinforced base slab. Medium stiff to soft fine to coarse sand and gravel w/ cobbles as SG.

Photo 8: Core C-3 Stairwell Room B-17 – Slab 0.125” out of level in 4’ +/-

Photo 9: Core C-4 Location Room B-04F Marshal Storage 7” +/- thick slab w/ No. 3 resteel mat. No void space under slab. Note significant crack in upper wall area.

Photo 10: Core C-4 Room B-04F – Sandy Lean Clay and Clayey Gravel w/ sand fill.

Photo 11: Core C-4 Room B-04F – Slab 0.125” +/- out of level in 4’ toward wall.

Photo 12: Core 5 Location Room B-18 Maintenance Shop – 7 to 8” slab w/ No. 3 resteel mat.

Photo 13: Core 5 Room B-18 – Sandy Lean Clay to Clayey Sand w/ gravel and cobbles Fill.

Photo 14: Core C-6 Room B-25D Woodshop Entry – 7.25” slab w/ No. 3 resteel mat w/ 1” void below slab. Catwalk along Boiler Room staircase at opposite side wall.

Photo 15: Core C-6 Room 25-D just inside foyer to Woodshop – Slab sloped 0.5” in 4’ toward wall.

Photo 16: Core C-6 location Room B-25D Woodshop Entry – Settlement crack in adjacent separation wall to Boiler Room just below structural deck framing.

Photo 17: Core C-7 Location Room B-25D Rear of Woodshop – 7.5” slab w/ No. 3 resteel mat. 1 to

1.25” void below slab. Brown Clayey Sand and Sandy Lean Clay w/ gravel and brick fragments Fill.

Photo 18: Core C-7 Room B-25D Rear of Woodshop – Slab 1” out of level in 4’.

Photo 19: Core C-8 Location Room B-27 Boiler Room at base of metal stairs – 8” thick Slab w/ No.

5 resteel mat at center of slab. No sampling at direction of client due to waterproofing membrane.

Photo 20: Core C-8 Room B-27 Boiler Room at base metal stairs. Note waterproofing membrane w/ bituminous sealer and No. 5 reinforcing steel on brick chair. No void space under slab.

Core Location: C- 1 in Room B-07 Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

8 ½ in. ±

VOID SPACE DETECTED:

2 in. ±

SOG REINFORCING:

Single mat No. 3 reinforcing steel in bottom third of slab

Depth

DCP

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 7 5 0 to 24”± below subgrade surface

8 0.67 22 16 Fill: Sandy lean clay (CL) w/ gravel and cobbles: brown, contains brick fragments, moist. Refusal at 24” due to cobbles prohibiting advancement with hand tools.

12 1.00 26 19 Medium stiff to stiff then soft; Medium stiff at 10.5 to 11 ft.

16 1.33 7 5

20 1.67 2 2

24 2.00 2 2

28 2.33 3 2

32 2.67 3 2

36 3.00 2 2

40 3.33 2 2

44 3.67 1 2

48 4.00 5 4

52 4.33 4 3

56 4.67 3 2

60 5.00 2 2

64 5.33 2 2

68 5.67 2 2

72 6.00 3 2

76 6.33 3 2

80 6.67 3 2

84 7.00 2 2

88 7.33 1 2

92 7.67 2 2

96 8.00 3 2

100 8.33 3 2

104 8.67 2 2

108 9.00 2 2

112 9.33 2 2

116 9.67 3 2

120 10.00 6 2

124 10.33 5 4

128 10.67 7 5

132 11.00 65+ 50+

Terminated due to refusal on top of column footing at 11’0” ±.

136 11.33

140 11.67

144 12.00

Slab Coring, Dynamic Cone Penetrometer (DCP) and Hand Sampling

Date: 2/ 17 /2021 Operators: HNW, JMP, CVD Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ by ¾” plywood plate.

Notes: 2” void under slab. Subgrade consisted of sand and gravel w/ cobbles. Sampling refusal at 24”± below top of subgrade. Slab was sloped ¾in. ± over 4 ft. at coring location.

Core Location: C- 2 in Room B-11 Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

6 ½ in.±

VOID SPACE DETECTED:

0 in.

SOG REINFORCING:

Double matted No. 3 reinforcing steel in bottom third of slab

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 11 8 0 to 18 in.± below subgrade surface:

8 0.67 14 11 Fill: Lean clay w/ gravel and sand ; Clayey sand (SC): brown, contains brick fragments, moist. Overall profile - Medium stiff to stiff, soft zone at 12 ft. +/-

12 1.00 10 8

16 1.33 15 11

20 1.67 11 8

24 2.00 12 9

28 2.33 8 6

32 2.67 7 5

36 3.00 9 7

40 3.33 17 13

44 3.67 6 5

48 4.00 9 7

52 4.33 11 8

56 4.67 10 8

60 5.00 5 4

64 5.33 10 8

68 5.67 19 15

72 6.00 7 5

76 6.33 3 2

80 6.67 10 8

84 7.00 17 13

88 7.33 17 13

92 7.67 6 5

96 8.00 16 12

100 8.33 7 5

104 8.67 14 11

108 9.00 8 6

112 9.33 7 5

116 9.67 8 6

120 10.00 11 8

124 10.33 12 9

128 10.67 8 6

132 11.00 9 7

136 11.33 6 5

140 11.67 5 4

144 12.00 4 3

148 12.33 4 3

152 12.67 6 5

156 13.00 5 4

160 13.33 6 5

164 13.67 6 5

168 14.00 6 5

172 14.33 8 6

176 14.67 16 12

180 15.00 9 7

184 15.33 10 8

188 15.67 14 11

192 16.00 34 26

196 16.33 14 11

Terminated at 208 in. due to refusal of DCP on footing or boulder 200 16.67 12 9

204 17.00 56 43

208 17.33 100+ 77+

212 17.67

216 18.00

220 18.33

224 18.67

228 19.00

232 19.33

236 19.67

240 20.00

Date: 2/17/2021 Operators: HNW, JMP, CVD Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: Zero void under slab, assumed slab settled w/ fill material or native soil mass.

Encountered bank run under slab. Slab was sloped ¼ in. ± over 4 ft. at coring location.

Core Location: C-3 in Room B-17 Stairwell Page 1 of 1

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

7 in. ± (1 ¾ topping over 5 ¼ inch base)

VOID SPACE DETECTED:

1 in. ±

SOG REINFORCING:

Single mat No. 3 reinforcing steel mid-point of base slab.

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 7 5 0 to 12 in.± below subgrade surface:

Fill: Fine to coarse sand and gravel w/ cobbles; Medium stiff to soft until refusal.

8 0.67 6 5

12 1.00 4 3

16 1.33 3 2 Terminated at 28 in. ± due to refusal on assumed top of footing.

20 1.67 3 2

24 2.00 65 50

28 2.33 100+ 77+

32 2.67

36 3.00

Date: 2/17/2021 Operators: HNW, JMP, CVD Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: 1 ¾ inch Topping slab over 5 ¾ inch thick base slab.

Sand and gravel base aggregate encountered under slab.

Sampling of subgrade material not required per client (Matt King with Elevar) Slab was sloped 1/8 in. ± over 4 ft. at coring location.

Core Location: C- 4 in Room B-04F US Marshal Storage Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

7 in. ±

VOID SPACE DETECTED:

0 in.

SOG REINFORCING:

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 6 5 0 to 24” below subgrade surface - Fill: Sandy lean clay w/ gravel (CL): brown, contains brick fragments, moist then Clayey gravel (GC) w/ sand: brownish red, with brick fragments, moist ; Stiff to very stiff to 6 ft., medium stiff 6 to 8 ft., dense/hard zone 8 to 9.5 ft., medium stiff 9.5 to 15.5 ft., very stiff to hard 15.5

ft. to refusal.

8 0.67 15 11

12 1.00 12 9

16 1.33 10 8

20 1.67 28 21

24 2.00 46 35

28 2.33 9 7

32 2.67 22 17

36 3.00 58 44

40 3.33 16 12

44 3.67 13 10

48 4.00 17 13

52 4.33 13 10

56 4.67 12 9

60 5.00 11 8

64 5.33 12 9

68 5.67 9 7

72 6.00 10 8

76 6.33 8 6

80 6.67 7 5

84 7.00 7 5

88 7.33 7 5

92 7.67 8 6

96 8.00 85 65

100 8.33 85 65

104 8.67 47 36

108 9.00 22 17

112 9.33 29 22

116 9.67 12 9

120 10.00 10 8

124 10.33 9 7

128 10.67 8 6

132 11.00 9 7

136 11.33 8 6

140 11.67 11 8

144 12.00 10 7

148 12.33 12 9

152 12.67 9 7

156 13.00 9 7

160 13.33 9 7

164 13.67 6 5

168 14.00 8 6

172 14.33 7 5

176 14.67 8 6

180 15.00 11 8

184 15.33 12 9

188 15.67 22 17

192 16.00 25 19

196 16.33 33 25

200 16.67 44 34

204 17.00 45 34

208 17.33 54 50

212 17.67 43 33

216 18.00 18 14

220 18.33 26 20

224 18.67 31 24

228 19.00 100+ 77+

Terminated at 228 in. (19 ft. ±) due to refusal condition 232 19.33

236 19.67

240 20.00

Date: 2/18/2021 Operators: HNW, JMP, CVD Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: Bank run encountered under slab. Zero void under slab, assumed slab settled with fill and or native soil. Slab was sloped 1/8 in. ± over 4 ft. at coring location.

Core Location: C- 5 in Room B-18 Maintenance Shop Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

7 in. to 8 in. ±

VOID SPACE DETECTED:

0 in.

SOG REINFORCING:

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 14 11 0 in to 12 in.± below subgrade surface:

Fill: Sandy lean clay w/ gravel (CL) to Clayey sand (SC) w/ gravel and cobbles:

brown, moist – Medium dense to dense to 2 ft., generally medium dense or medium stiff to stiff 2 ft. to refusal depth at 9 ft.

8 0.67 64 49

12 1.00 39 30

16 1.33 26 20

20 1.67 18 14

24 2.00 11 8

28 2.33 12 9

32 2.67 7 5

36 3.00 14 11

40 3.33 16 12

44 3.67 17 13

48 4.00 17 13

52 4.33 12 9

56 4.67 12 9

60 5.00 15 11

64 5.33 16 12

68 5.67 9 7

72 6.00 9 7

76 6.33 5 4

84 7.00 4 3

88 7.33 19 15

92 7.67 16 12

96 8.00 13 10

100 8.33 12 9

Terminated at 108 in. (9.0 ft.) ± due to refusal condition. 104 8.67 7 5

108 9.00 100+ 77+

Equipment DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: No void detected, assumed slab settled with fill. Slab was sloped ¼ in.± over 4 ft.

at coring location. Clayey sand and gravel aggregate encountered under slab.

Core Location: C-6 in Room B-25D Wood Shop Entrance Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

7 ¼ in. ±

VOID SPACE DETECTED:

1 in. ±

SOG REINFORCING:

Single mat of No. 3 reinforcing steel at mid-point of slab

Value s (Blow s per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 14 11 0 in. to 6 in.± below subgrade surface:

8 0.67 14 11 Fill: Sandy lean clay (CL) w/ gravel: brown, moist - stiff

12 1.00 10 8 6 in. to 30 in.± below subgrade surface:

16 1.33 8 6 Fill: Clayey sand (SC) and gravel: brown, moist – medium stiff to stiff;

20 1.67 11 8

General profile 2.5 to 7.5 ft. soft to medium stiff, 7.5 to 10.5 ft. stiff, 10.5 ft. to refusal – soft to medium stiff.

24 2.00 14 11

28 2.33 13 10

32 2.67 12 9

36 3.00 7 5

40 3.33 5 4

44 3.67 4 3

48 4.00 5 4

52 4.33 5 4

56 4.67 5 4

60 5.00 5 4

64 5.33 9 7

68 5.67 5 4

72 6.00 5 4

76 6.33 4 3

84 7.00 9 7

88 7.33 10 8

92 7.67 18 14

96 8.00 13 10

100 8.33 14 11

104 8.67 15 11

108 9.00 10 8

112 9.33 22 17

116 9.67 20 15

120 10.00 15 11

124 10.33 10 8

128 10.67 7 5

132 11.00 5 4

136 11.33 4 3

140 11.67 4 3

144 12.00 5 4

148 12.33 21 16

152 12.67 12 9

156 13.00 3 2

160 13.33 5 4

164 13.67 100+ 77+ Terminated at 164 in. (13.5 ft.) ± due to refusal condition on possible Boiler Room subbasement wall top of footing. 168 14.00

Date: 2/19/2021 Operators: HNW, JMP, CVD

Equipment:

DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: Sand and gravel aggregate encountered under slab.

Slab was sloped ½ in. ± over 4 ft. at coring location.

Core Location: C- 7 in Room B-25D Rear of Wood Shop Page 1 of 2

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

7 ½ in.±

VOID SPACE DETECTED:

1 to 1¼ in. ±

SOG REINFORCING:

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 6 5 Fill: Clayey sand (SC) w/ gravel: brown, moist from 0 to 1.5 ft. then Fill: Sandy lean clay (CL) w/ gravel: brown, contains brick fragments, moist from 1.5 to 3 ft.

General profile soft to medium stiff w/ some thin stiff layers.

8 0.67 7 5

12 1.00 18 14

16 1.33 12 9

20 1.67 9 7

24 2.00 7 5

28 2.33 7 5

32 2.67 6 5

36 3.00 5 4

40 3.33 7 5

44 3.67 5 4

48 4.00 4 3

52 4.33 4 3

56 4.67 10 8

60 5.00 4 3

64 5.33 3 2

68 5.67 5 4

72 6.00 9 7

76 6.33 9 7

80 6.67 15 11

84 7.00 13 10

88 7.33 9 7

92 7.67 6 5

96 8.00 13 10

100 8.33 12 9

104 8.67 6 5

108 9.00 6 5

112 9.33 4 3

116 9.67 22 17

120 10.00 11 8

124 10.33 7 5

128 10.67 6 5

132 11.00 6 5

136 11.33 6 5

140 11.67 5 4

144 12.00 6 5

148 12.33 5 4

152 12.67 6 5

156 13.00 3 2

160 13.33 3 2

164 13.67 3 2 Terminated at 168 in. (14 ft.) ± due to refusal condition on possible top of footing. 168 14.00 100+

Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: Slab was sloped 1 in. ± over 4 ft. at coring location.

Silty clayey sand with gravel encountered after approx. 1 in. to 1 ¼ in. void under slab.

Core Location: C- 8 in Room B-27 Boiler Room at base of stairs Page 1 of 1

Client: Elevar Design Group Project: J P Kinneary Court House Settlement Investigation Location: 85 Marconi Blvd. – Columbus, OH Terracon Project No.: N4205200

SOG THICKNESS:

8 in. ±

VOID SPACE DETECTED:

No void. Waterproofing membrane present.

SOG REINFORCING:

Single mat No. 5 reinforcing steel on brick chairs at midpoint of slab

Values (Blows per 4”)

Correlated N- Value (.766 x DCP Value)

Below Slab Material Description

In. Ft.

4 0.33 No subgrade sampling performed. Waterproofing membrane encountered immediately below bottom of slab.

8 0.67

12 1.00

16 1.33

Slab Coring, Dynamic Cone Penetrometer (DCP) and Hand Sampling

Date: 2/19/2021 Operators: HNW, JMP, CVD Equipment: DCP: Pagani DPM 30 Unit Core Penetration covered with anchored 2’ by 2’ ¾” plywood plate.

Notes: Coring of SOG only. Waterproofing membrane encountered below slab. Investigation terminated at direction of client. DCP and sampling not performed based on drawing review and location of underground sewers. Slab was level at core location.

C-1 1-1.5 SILTY SAND with GRAVEL(SM)

13.0 NP NP NP 31.0 37.8 17.8 13.4

C-2 0-0.5

CLAYEY SAND(SC)

16.0 28 14 14 9.3 43.1 26.7 20.9

C-4 0.5-1

SANDY LEAN CLAY

28.0 4.9 38.5 23.4 33.2

C-5 0-0.5

SANDY LEAN CLAY(CL)

22.0 36 14 22 4.6 34.7 26.6 34.2

C-6 1.5-2 SILTY,CLAYEY SAND with gravel

8.0 19.4 44.0 21.2 15.4

C-7 1.5-2 LEAN CLAY with SAND(CL)

19.0 34 15 19 10.1 18.4 38.4 33.1

C-7 2.5-3 LEAN CLAY with SAND(CL)

21.0 37 15 22 1.0 20.8 41.2 37.0

PAGE 1 OF 1SUMMARY OF LABORATORY RESULTS

PROJECT: J.P. Kinneary US Courthouse Settlement Investigation PROJECT NUMBER: N4205200

CLIENT: Elevar Design Group Cincinnati, OH

SITE: 85 Marconi Boulevard Columbus, OH

PH. 614-863-3113 FAX. 614-863-0475

800 Morrison Rd Gahanna, OH

EXHIBIT:

T H

IS

B

O R

IN

G

L O

G

IS

N O

T V

A

LI

D

IF

S E

P A

R A

T E

D F

R O

M O

R

IG

IN

A

L R

E P

O R

T

S M

A R

T L

A B

S U

M M

A R

Y -L

A N

D S

C A

P E

_A N

J.

P

. K

IN

N E

A R

Y U

S .G

P J

T E

R R

A C

O N

_D A

T A

T E

M P

LA

T

E .G

D T

/1

5/

BORING

ID

Soil Classification

USCS

Depth (Ft.) Liquid Limit % Gravel % Sand % Silt % ClayWater

Content (%) Plastic Limit

Plasticity Index

0.0010.010.1110100

30 40 501.5 2006 810 1441 3/4 1/2 60

GRAIN SIZE IN MILLIMETERS

P E

R C

E N

T F

IN

E

R B

Y W

E

IG

H T

HYDROMETERU.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS

4 3/8 3 100 1403 2

GRAIN SIZE DISTRIBUTION

ASTM D422 / ASTM C136

6 16 20

PROJECT NUMBER: N4205200

PROJECT: J.P. Kinneary US Courthouse

Settlement Investigation

SITE: 85 Marconi Boulevard Columbus, OH

CLIENT: Elevar Design Group Cincinnati, OH

EXHIBIT:

800 Morrison Rd Gahanna, OH

LA

B

O R

A T

O R

Y T

E S

T S

A R

E N

O T

V A

LI

D

IF

S

E P

A R

A T

E D

F R

O M

O R

IG

IN

A L

R E

P O

R T

G R

A

IN

S

IZ

E : U

S C

S -2

N

J.

P . K

IN

N

E A

R Y

U S

.G P

J T

E R

R A

C O

N _D

A T

A T

E M

P

LA

T E

.G D

T

/1

/2

C-2

C-5

C-7

C-7

LL PL PI

finefine

SILT OR CLAY

%Sand%Gravel

COBBLES

GRAVEL SAND

coarse medium

%Clay%Silt %Fines

USCS Classification WC (%)

Boring ID Depth

Boring ID Depth CuCc coarse

NP

SILTY SAND with GRAVEL (SM)

CLAYEY SAND (SC)

SANDY LEAN CLAY (CL)

LEAN CLAY with SAND (CL)

LEAN CLAY with SAND (CL)

NP

NP

1 - 1.5

0 - 0.5

0 - 0.5

1.5 - 2

2.5 - 3

13.4

20.9

34.2

33.1

37.0

17.8

26.7

26.6

38.4

41.2

C-1

C-2

C-5

C-7

C-7

31.0

9.3

4.6

10.1

1.0

1 - 1.5

0 - 0.5

0 - 0.5

1.5 - 2

2.5 - 3

37.8

43.1

34.7

18.4

20.8

37.5

9.5

1.671

0.204

0.067

0.031

0.023

0.061

0.015

0.004

0.0

0.0

0.0

0.0

0.0

13.0

16.0

22.0

19.0

21.0

%CobblesD100 D60 D30 D10

0 20 40 60 80 100

CH

o r

OH

CL

o r

OL

ML or OL

MH or OH

"U " L ine

"A " L ine

ATTERBERG LIMITS RESULTS

ASTM D4318

P L A S T I C I T Y

I N D E X

LIQUID LIMIT

PROJECT NUMBER: N4205200

PROJECT: J.P. Kinneary US Courthouse

Settlement Investigation

SITE: 85 Marconi Boulevard Columbus, OH

CLIENT: Elevar Design Group Cincinnati, OH

EXHIBIT:

800 Morrison Rd Gahanna, OH

LA

B

O R

A T

O R

Y T

E S

T S

A R

E N

O T

V A

LI

D

IF

S

E P

A R

A T

E D

F R

O M

O R

IG

IN

A L

R E

P O

R

A

T E

R B

E R

G L

IM

IT

S N

J.

P

. K

IN

N E

A R

Y U

S .G

P J

T E

R R

A C

O N

_D A

T A

T E

M P

LA

T

E .G

D T

/1

5/

C-1

C-2

C-5

C-7

C-7

LL

NP

NP

NP

Boring ID Depth

PIPL

1 - 1.5

0 - 0.5

0 - 0.5

1.5 - 2

2.5 - 3

SM

SC

CL

CL

CL

SILTY SAND with GRAVEL

CLAYEY SAND

SANDY LEAN CLAY

LEAN CLAY with SAND

LEAN CLAY with SAND

DescriptionUSCSFines

31.2

47.6

60.8

71.5

78.2

CL-ML