A2 Gunflint and Tofte Tree Cooler Installation SOW.pdf

2/2/2023

TOFTE AND GUNFLINT RANGER DISTRICT

Project Statement of Work (SOW)

1.0 PROJECT INTRODUCTION

Project Name: East Zone Tree Cooler Installation

1.1 PROJECT BACKGROUND

The goal of this project is to supply and install a free-standing outdoor tree cooler to the Tofte and Gunflint Ranger Districts. The work on this project includes structure excavation, pouring of concrete slab (sized accordingly to manufacturers specifications) placement of free-standing outdoor tree cooler (contractor supplied), and the running and connecting of power to the tree coolers.

1.2 PROJECT SCOPE

In accordance with the terms and conditions of the Contract, the Contractor shall perform the work of this Statement of Work (SOW) for the USDA-Forest Service (FS) as described below.

The Contractor shall perform inspection, design, and construction services in accordance with the requirements within the contract.

The Contractor shall perform all services necessary to produce a complete and usable project in accordance with the project goals and design intent stated herein.

1.3 PROJECT LOCATION

Tofte Ranger District Gunflint Ranger District 7355 W. Highway 61 2020 W. Highway 61 Tofte, MN 55615 Grand Marais, MN 55604 218-663-8060 218-387-1750

1.4 PROJECT SCHEDULE

All work shall be completed by September 15, 2023.

U . S . D E P A R T M E N T O F A G R I C U L T U R E

R E G I O N 9

S U P E R I O R N A T I O N A L F O R E S T

E N G I N E E R I N G

1.5 WORK HOUR RESTRICTIONS

All work and deliveries shall be limited to the weekday hours of 7:00 am to 6:00 pm unless otherwise approved by the COR. No work shall occur on Federal holidays or weekends without prior approval.

1.6 QUALITY CONTROL

The quality of all work shall be the responsibility of the Contractor. Inspect and test all work as needed to ensure that the quality of materials, workmanship, construction, finish, and functional performance follows applicable specifications and drawings.

Failure to provide adequate quality control will result in retention and other contract actions.

1.7 APPLICABLE CODES

All work in this contract shall be done, when applicable, in accordance with the following in their most current edition:

1. National Fire Protection Association (NFPA)

2. OSHA – Occupational Safety and Health Act

3. IBC 2018 – International Building Codes 2018 Edition

4. NEC 2017 – National Electric Code 2017 Edition

5. ABAAS – Architectural Barriers Act Accessibility Standard

6. ADA – Americans with Disabilities Act

7. Forest Service Outdoor Recreation Accessibility Guide (FSORAG)

8. All local safety and fire regulations

9. All manufacturer installation instructions.

10. All other codes and standards referenced in the specifications.

1.8 PERMITS AND LOCATING

Contractor will be responsible for locating electrical and communication cable prior to excavation.

2.0 GENERAL REQUIREMENT BY WORK ITEM

The contractor shall be responsible for the conditions and proper relation of their work to the site conditions and will familiarize themselves with all details of the work and working conditions. The contractor shall verify all dimensions in the field and generate their own quantities for work provided. Any, and all, incidental items not specifically listed in this contract are to be included in the bid to provide to the government a finished operating end product.

2.1 STRUCTURE EXCAVATION-

Excavate area according to required depth and dimensions necessary for the accomplishment of the project. Oversize the excavation a minimum of 12-inches on all sides of the concrete slab’s footprint. All removal debris shall become property of the contractor for legal disposal away from the project site. See Tree Cooler Concrete drawing for excavation specifications. Refer to the FP-14, Forest Service Supplemental Specifications and Tree Cooler Concrete drawing for further specifications.

Some landscape restorations will be needed to blend the excavated area in with the surrounding landscape and to backfill around the slab.

2.2 AGGREGATE BASE BACKFILL MATERIAL

MNDOT Type II Geotextile fabric will be required under the aggregate base. Prepare the subgrade by using a MNDOT Class 5 Aggregate Base. Fill material is to be approved by the COR and compacted in 2-inch lifts. Compact each layer with at least three passes of a lightweight mechanical tamper, roller, or vibrating system. Refer to the FP-14, Forest Service Supplemental Specifications and Tree Cooler Concrete drawing for further specifications.

2.3 CONCRETE WORK

Tofte tree Cooler This work consists of constructing a 5” depth, reinforced concrete slab on the prepared subgrade with a broomed finish. Concrete slab should be sized to the tree cooler manufacturer’s suggested specifications. Concrete Slab Shall be sloped toward the Cooler door for drainage. Refer to the FP-14, Forest Service Supplemental Specifications and Tree Cooler Concrete drawing for further specifications.

Gunflint tree cooler This work consists of constructing a 5” depth, reinforced concrete slab on the prepared subgrade with a broomed finish. Concrete slab should be sized to the tree cooler manufacturer’s suggested specifications with a 5‘ apron to transition from cooler pad to the existing sidewalk. Concrete Slab Shall be sloped toward the Cooler door for drainage. Refer to the FP-14, Forest Service Supplemental Specifications and Tree Cooler Concrete drawing for further specifications.

2.4 TREE COOLER

Tofte The contactor will be responsible for supplying a 16ft x 30ft tree cooler for the project.

The Polar King International, Inc. Model H1630 Cooler 35°F, with the following specifications, and options, has been preapproved for this project. If the contractor chooses to use an “or equal” product, product data sheets must be submitted a minimum of two weeks prior to start of work period for review and approval. Please see cooler drawing. Final product to be approved by COR prior to construction of cooler.

Polar King International:

Model: H1630 Cooler 35°F

25 Year Insulation Warranty

12 Year Structural Warranty

5 Year Compressor Warranty 208-230/1/60 Refrigeration System Anti-Microbial Interior Finish

Condensate Line

Crowned Roof

Defrost Timer

Door Closer/Door Sweep Seal Exterior Hasp Lock

Heated Relief Port on Freezer Heated Door on -10° Freezer Interior Lighting

Lockable Door Latch

Low Ambient Pressure Controls Magnetic Gasket/Heated Door Jamb Pre-charged Refrigerant

Rain Cap Above Exterior Doors Seamless Fiberglass Interior/Exterior

Single Point Electrical Connection

Beige in Color

Include the following options:

Vinyl Strip Door

Aluminum Diamond Tread Kick Plate

60" Door Upgrade

64 Linear Feet - Pallet Bumper Guard

Extra Heavy-Duty Floor (for electric pallet jacks)

60-inch pallet duty ramp

2- 115 volt outlets, surface mounted

Extra LED light

Exterior Flood Light

Gunflint The contactor will be responsible for supplying a 16ft x 30ft tree cooler for the project.

The Polar King International, Inc. Model H1630 Cooler 35°F, with the following specifications, and options, has been preapproved for this project. If the contractor chooses to use an “or equal” product, product data sheets must be submitted a minimum of two weeks prior to start of work period for review and approval. Please see cooler drawing. Final product to be approved by COR prior to construction of cooler.

Polar King International:

Model: H1630 Cooler 35°F

25 Year Insulation Warranty

12 Year Structural Warranty

5 Year Compressor Warranty 208-230/1/60 Refrigeration System Anti-Microbial Interior Finish

Condensate Line

Crowned Roof

Defrost Timer

Door Closer/Door Sweep Seal Exterior Hasp Lock

Heated Relief Port on Freezer Heated Door on -10° Freezer Interior Lighting

Lockable Door Latch

Low Ambient Pressure Controls Magnetic Gasket/Heated Door Jamb Pre-charged Refrigerant

Rain Cap Above Exterior Doors Seamless Fiberglass Interior/Exterior

Single Point Electrical Connection

Beige in Color

Include the following options:

Vinyl Strip Door

Aluminum Diamond Tread Kick Plate

60" Door Upgrade

84 Linear Feet - Pallet Bumper Guard

Extra Heavy-Duty Floor (for electric pallet jacks)

60-inch pallet duty ramp

2- 115 volt outlets, surface mounted

Extra LED light

Exterior Flood Light

Floor Drain

3x3 frame

Shelf mount refrigeration

Evap Freeze protection

2.5 ELECTRICAL CONNECTION

Contractor is responsible for running and connecting electrical power to the tree cooler after delivery. The contractor shall follow the manufacturer’s specifications for the connection of power. Electrical power is currently located approximately 30ft from the cooler’s final location. No excavation of concrete or pavement is expected for power installation.

3.0 CONSTRUCTION SPECIFICATIONS

The Forest Service, US Department of Agriculture has adopted the Standard

Specifications for Construction of Roads and Bridges on Federal Highway

Projects, FP-14, U.S. Customary Units for construction of National Forest System

Roads and other projects.

The full provisions of the FP-14 shall apply as applicable on this contract, unless modified by the Special Project Specifications.

An electronic version of the FP-14 can be found at the following web address:

http://flh.fhwa.dot.gov/resources/pse/specs/

4.0 SPECIAL PROJECT SPECIFICATIONS

Forest Service Supplemental Specifications

East Zone Tree Cooler Site Work

Tofte and Gunflint Ranger District

Superior National Forest

Cook County, Minnesota

Table of Contents

Table of Contents

Preface

STANDARD SPECIFICATION SECTIONS

SUPPLEMENTAL SPECIFICATIONS

101 - Terms, Format, and Definitions

102 - Bid, Award, and Execution of Contract

102 Bid, Award, and Execution of Contract

103 - Scope of Work

Deletions

104 - Control of Work

Deletions

104.06 Use of Roads by Contractor

106 - Acceptance of Work

106.07 Delete

107 - Legal Relations and Responsibility to the Public

107.05 Responsibility for Damage Claims

107.06 Contractor’s Responsibility for Work

http://flh.fhwa.dot.gov/resources/pse/specs/

107.09 Legal Relationship of the Parties

107.10 Environmental Protection

108 - Prosecution and Progress

108 Delete

109 - Measurement and Payment

109 Deletions

109.02 Measurement Terms and Definitions

151 - Mobilization

155 - Schedules for Construction Contracts

155 Delete

203 – Removal of Structures and Obstructions

601 - Minor Concrete

Table 601-2. Sampling and Testing Requirements

615 – Tree Cooler Concrete Slab

Preface

Preface_wo_03_15_2004_m

Delete all but the first paragraph and add the following:

The Forest Service, US Department of Agriculture has adopted the Standard Specifications for

Construction of Roads and Bridges on Federal Highway Projects, FP-14, U.S. Customary Units

(FP-14) for construction of National Forest System Roads and other projects.

The full provisions of FP-14 shall apply as applicable on this contract, unless modified by the

Special Project Specifications.

STANDARD SPECIFICATIONS FOR CONSTRUCTION OF ROADS AND BRIDGES ON

FEDERAL HIGHWAY PROJECTS, FP-14, AS MODIFIED BY U.S. FOREST SERVICE

SPECIAL PROJECT SPECIFICATIONS

STANDARD SPECIFICATION SECTIONS

Applicable Standard Specification Sections include but are not limited to the following:

SECTION 101 TERMS, FORMAT AND DEFINITIONS

SECTION 104 CONTROL OF WORK

SECTION 105 CONTROL OF MATERIAL

SECTION 106 ACCEPTANCE OF WORK

SECTION 107 LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC

SECTION 109 MEASUREMENT AND PAYMENT

SECTION 154 CONTRACTOR SAMPLING AND TESTING

SECTION 207 EARTHWORK GEOTEXTILES

SECTION 209 STRUCTURE EXCAVATION AND BACKFILL

SECTION 404 MINOR HOT ASPHALT CONCRETE

SECTION 552 STRUCTURAL CONCRETE

SECTION 624 TOPSOIL

SECTION 627 SOD

SECTION 713 ROADSIDE IMPROVEMENT MATERIAL

SUPPLEMENTAL SPECIFICATIONS

101 - Terms, Format, and Definitions

101.00_nat_us_07_25_2005

101.01_nat_us_01_22_2009

101.01 Meaning of Terms

Delete all references to the TAR (Transportation Acquisition Regulations) in the specifications.

101.03_nat_us_06_16_2006

101.03 Abbreviations.

Add the following to (a) Acronyms:

AFPA

MSHA

NIST

NESC

WCLIB

American Forest and Paper Association

Mine Safety and Health Administration

National Institute of Standards and Technology

National Electrical Safety Code

West Coast Lumber Inspection Bureau

Add the following to (b) SI symbols:

mp Milepost ppm Part Per Million

101.04_nat_us_03_29_2007

101.04 Definitions.

Delete the following definitions and substitute the following:

Bid Schedule--The Schedule of Items.

Bridge--No definition.

http://www.nist.gov/

Contractor--The individual or legal entity contracting with the Government for performance of prescribed work. In a timber sale contract, the contractor is the “purchaser”.

Culvert--No definition.

Right-of-Way--A general term denoting (1) the privilege to pass over land in some particular line (including easement, lease, permit, or license to occupy, use, or traverse public or private lands), or (2) Real property necessary for the project, including roadway, buffer areas, access, and drainage areas.

Add the following:

Adjustment in Contract Price--“Equitable adjustment,” as used in the Federal Acquisition

Regulations, or “construction cost adjustment,” as used in the Timber Sale Contract, as applicable.

Change--“Change” means “change order” as used in the Federal Acquisition Regulations, or

“design change” as used in the Timber Sale Contract.

Design Quantity--“Design quantity” is a Forest Service method of measurement from the FS-96

Forest Service Specifications for the Construction of Roads and Bridges. Under these FP specifications this term is replaced by the term “Contract Quantities”.

Forest Service--The United States of America, acting through the Forest Service, U.S.

Department of Agriculture.

Neat Line--A line defining the proposed or specified limits of an excavation or structure.

Schedule of Items--A schedule in the contract that contains a listing and description of construction items, quantities, units of measure, unit price, and amount.

102 - Bid, Award, and Execution of Contract

102.00_nat_us_02_16_2005

102 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 - Scope of Work

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Deletions

Delete all but subsection 103.01 Intent of Contract.

104 - Control of Work

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Deletions

Delete Sections 104.01, 104.02, and 104.04.

104.06_nat_us_02_17_2005

Add the following subsection:

104.06 Use of Roads by Contractor

The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to the limitations and authorizations designated in the Road Order(s) or described in the contract, when such use will not damage the roads or national forest resources, and when traffic can be accommodated safely.

106 - Acceptance of Work

106.07_nat_us_05_11_2004

106.07 Delete

Delete subsection 106.07.

107 - Legal Relations and Responsibility to the Public

107.05_nat_us_05_11_2004

107.05 Responsibility for Damage Claims.

Delete the entire subsection.

107.06_nat_us_06_16_2006

107.06 Contractor’s Responsibility for Work.

Delete the following from the first paragraph.

“except as provided in Subsection 106.07”.

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107.09 Legal Relationship of the Parties.

Delete the entire subsection.

107.10_nat_us_06_16_2006

107.10 Environmental Protection.

Add the following:

Design and locate equipment repair shops, stationary refueling sites, or other facilities to minimize the potential and impacts of hazardous material spills on Government land.

Immediately notify the CO of all hazardous material spills. Provide a written narrative report form no later than 24 hours after the initial report and include the following:

• Description of the item spilled (including identity, quantity, manifest number, and other identifying information).

• Whether amount spilled is EPA or state reportable, and if so whether it was reported, and to whom.

• Exact time and location of spill including a description of the area involved.

• Containment procedures.

• Summary of any communications the Contractor had with news media, Federal, state and local regulatory agencies and officials, or Forest Service officials.

• Description of clean-up procedures employed or to be employed at the site including final disposition and disposal location of spill residue.

When available provide copies of all spill related clean up and closure documentation and correspondence from regulatory agencies.

The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. Clean up spills or leaks to the satisfaction of the CO and in a manner that complies with Federal, state, and local laws and regulations.

108 - Prosecution and Progress

108.00_nat_us_02_16_2005

108 Delete.

Delete Section 108 in its entirety.

109 - Measurement and Payment

109.00_nat_us_02_17_2005

109 Deletions

Delete the following entire subsections:

109.06 Pricing of Adjustments.

109.07 Eliminated Work.

109.08 Progress Payments.

109.09 Final Payment.

109.02_nat_us_06_16_2006

109.02 Measurement Terms and Definitions.

(b) Contract quantity.

Add the following:

Contract quantities will be adjusted only when there are errors in the original design of 15% or more.

Change the following:

“(b) Cubic yard” to “(c) Cubic yard”.

151 - Mobilization

151.03_nat_us_08_05_2005

151.03 Payment

Delete the entire subsection and add the following:

151.03 Payment

Mobilization is considered an indirect cost of this contract and will not be compensated as a separate work item.

155 - Schedules for Construction Contracts

155.00_nat_us_05_11_2004

155 Delete.

Delete Section 155 in its entirety.

203 – Removal of Structures and Obstructions

Description

203.01 This work consists of removing and disposing of excavated soils and other obstructions.

Material

203.02 Conform to the following Section and Subsection:

Backfill material 615

Concrete 601

Construction Requirements

203.03 Removing Material.

Construct structurally adequate debris shields to contain debris within the construction limits. Do not permit debris to enter waterways, travel lanes open to public traffic, or areas designated not to be disturbed.

Remove all obstructions interfering with the work and not designated to remain.

203.04 Disposing of Material. Dispose of debris and unsuitable and excess material as follows:

(a) Remove from project. Recycle or dispose of material legally off the project.

203.05 Acceptance. Removal of structures and obstructions will be evaluated under Subsection

106.02.

Measurement

203.07 Measure the Section 203 items listed in the bid schedule according to Subsection 109.02.

Payment

203.08 The accepted quantities will be paid at the contract price per unit of measurement for the

Section 203 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

601 - Minor Concrete

601.00_nat_us_02_27_2007

Delete the entire specification and replace it with the following:

601.01 This work consists of constructing minor concrete structures.

Material

601.02 Conform to the following Subsections:

Air-entraining admixtures 711.02

Chemical admixtures 711.03

Coarse aggregate 703.02

Curing material 711.01

Fine aggregate 703.01

Fly ash 725.04

Hydraulic Cement 701.01

Joint fillers

Reinforcing Steel

702.01

709.01

Water 725.01

601.03 Concrete Composition. Use the designated concrete composition:

(a) Method A. Submit a mix design showing the proposed masses of aggregate, water, and cement per cubic yard of concrete a minimum of 7 days prior to beginning placement. Proportion the cement, aggregate, and water to obtain concrete with good workability.

Composition of Minor Structure Concrete

Property Specification Test Method

Cement Content 590 pounds per CY minimum

Water/Cement ratio 0.50 maximum

Slump 2-inch min. to 4-inch max. AASHTO T 119

Air content 6.0 % plus or minus 1.5% AASHTO T 152 or T 196

Size of Coarse Aggregate 100% passing the 1.5-inch sieve AASHTO M 43

28-day compressive strength 3900 psi AASHTO T 23 and T 22

Construction Requirements

601.04 General. Perform excavation and backfill work according to Section 209. When concrete is cracked, spalling, or scaling, remove concrete to the nearest joint or to a designated saw cut location.

Design and construct forms that conform to the lines of the original design requirements and allow for removal without injuring the concrete. When concrete contains a retarding admixture, fly ash, or other pozzolan replacement for cement, design the forms for a lateral pressure equal to that exerted by a fluid with a mass of 2.5 ton per cubic yard.

Use wood, metal, or other suitable material for forms. Keep forms clean and coat with a form release agent or form oil before placing concrete.

(a) Reinforcing Steel

Reinforcing bars. Furnish deformed, grade 60 bars conforming to AASHTO M 31, M 42, or

M 53.

Placing and fastening. Place and fasten reinforcing steel in accordance with the following:

Support the bars on precast concrete blocks or metal supports according to the CRSI Manual of

Standard Practice. Attach concrete block supports to the supported bar with wire cast in the center of each block. Use class 1 (plastic protected) or class 2, type B (stainless steel protected) metal supports in contact with exposed concrete surfaces. Use stainless steel conforming to ASTM A 493, type 430.

Coat chairs, tie wires, and other devices used to support, position, or fasten epoxy-coated reinforcement with a dielectric material. Do not use plastic supports.

Space slab bar supports no more than 4 feet apart transversely or longitudinally. Do not use bar supports either directly or indirectly to support runways for concrete buggies or other similar construction loads.

Space parallel bars within 1½ inches of the required location. Do not cumulate spacing variations. The average of any two adjacent spaces shall not exceed the required spacing.

Provide 2 inches clear cover for all reinforcement except as otherwise shown on the plans.

Do not place concrete in any member until the placement of the reinforcement is approved.

Splices. Splicing, except as shown on the plans, is not permitted without approval. Provide lap lengths shown on the plans. Splice reinforcing bars only were shown on the plans or accepted drawings. Do not place slab bar mechanical splices adjacent to each other.

Make lapped splices by placing the reinforcing bars in contact and wiring them together to maintain the alignment and position of the bars.

601.05 Placing Concrete. Do not place concrete until the grading and forms have been inspected and approved by the CO. Provide 24 hour written notice prior to placement of any concrete. Moisten the forms and foundation immediately before placing concrete.

Discharge all concrete prepared into the forms within the time limits shown in table 601-1. These time limits are based on jobsite ambient air temperature, cement type, and admixture used. Begin counting time from when the cement is introduced into the aggregate. Do not re-temper concrete.

When required cement must be added to the mixer at the jobsite. Do not mix or place concrete when the temperature is, or is expected to be, less than 40 °F unless adequate provisions are made to protect the concrete.

Place concrete to avoid segregation. Use high-frequency internal vibrators for consolidating concrete in the forms. Operate vibrators to produce concrete free of voids, but do not hold them in one place long enough to result in segregation or formation of laitance on the surface.

Do not use aluminum pipe, conduit, or troughs for transporting concrete. When concrete is pumped, take samples from the discharge stream at the point of placement. Do not apply water to plastic concrete surfaces during finishing operations.

Table 601-1 Concrete discharge time limits.

Cement Type With and Without Admixtures Time limit (hour)

< 85 oF1 >85 oF1

Type I, IA, II, or IIA 2.0 1.5

Type I, IA, II, or IIA with water reducing or retarding admixture

3.0 2.0

Type III 1.5 1.0

Type III with water reducing or retarding admixture 2.0 1.5

1 Ambient air temperature.

601.06 Curing Concrete. Cure concrete a minimum of 7 days before loading. Cure according to

Subsection 552.15. Finish exposed concrete surfaces according to Subsection 552.16(b).

601.07 Acceptance. See Table 601-2 for Contractor Quality Control sampling and testing requirements.

Sampling and testing of the concrete for Quality Assurance may also be conducted by the Forest

Service at the Governments expense.

Material for minor concrete structures including reinforcing steel, will be evaluated under

Subsections 106.02 and 106.03.

The concrete mixture's slump, air content, compressive strength, unit mass, and temperature will be evaluated under Subsections 106.02 and 106.04.

Excavation and backfill will be evaluated under Section 209.

Construction of minor concrete structures will be evaluated under Subsections 106.02 and

106.04.

601.02_nat_us_03_02_2005

Table 601-2. Sampling and Testing Requirements.

Material or

Product

Type of

Acceptance

(Subsection)

Characteristic Category Test Methods

Specifications

Sampling

Frequency

Point of

Sampling

Split

Sample

Reporting

Time

Concrete Measured and tested for conformance

(106.04)

Unit Mass - AASHTO T 121 One set per

32 cubic yards but not less than one per day

Point of discharge

- Upon completion of project

Air content - AASHTO T 152 or AASHTO T

Slump - AASHTO T 119 “ “ - “

Temperature - Field Measured “ “ - “

Compressive strength

- AASHTO T 22 &

AASHTO T 23

“ Discharge stream at point of placement

615 – Tree Cooler Concrete Slab

615.01 This work consists of constructing 5” depth concrete slab on a prepared subgrade., with a 5’ apron to match sidewalk. Work covered by this section includes furnishing and placing geotextile under the aggregate base, base aggregate, and concrete slab.

Material

615.02 Conform to the following Sections and Subsections:

Concrete 601

Base Aggregate 703.05

Curing material 711.01

Geotextile 714.01

615.03 Base Aggregate. Furnish Base Aggregate Grading Designation E in accordance with Specification

Section 703.05. (MnDOT Class 5 Aggregate Gradation is an acceptable alternate specification)

(a) Gradation E Table 703-2

(b) Liquid limit, AASHTO T 89 25 max.

Table 703-2

Base Aggregate Gradation

Sieve Size

Percent by Mass Passing

Designated Sieve

(AASHTO T 27 & T 11)

3/4 inch 100

3/8 inch 62-90

No. 4 36-74

No. 40 12-26

No. 200 4-7

615.04 Geotextile. Furnish Type II-B Separation Geotextile under the base aggregate material. Install in accordance with Specification Section 207.

615.05 Bituminous Patching. Bituminous Patching along the front edge of the concrete slab will be in accordance with Specification Section 404 – Minor Hot Asphalt Concrete.

Construction Requirements

615.06 General. Excavate and backfill according to Section 209. Place aggregate material in layers not exceeding 6 inches in compacted thickness. Compact each layer with at least three passes of a lightweight mechanical tamper, roller, or vibratory system.

615.07 Concrete Tree Cooler Slab. Perform the work according to Section 601. Use forms that extend for the full depth of the concrete.

(a) Finishes. Provide a Class 2 Rubbed Finish in accordance with Subsection 552.16(b). Edge outside edges of slab with a 1/4-inch radius edging tool.

Cure the concrete for at least 72 hours with liquid membrane curing compound. Protect the work from pedestrian traffic for 72 hours and from heavier loading for 7 days.

615.08 Acceptance. See Table 601-2 for Quality Control sampling and testing requirements (by the Contractor).

Reinforcing steel will be evaluated under Subsections 106.02 and 106.03.

Bed course material will be evaluated under Subsections 106.02 and 106.04.

Construction of concrete slabs will be evaluated under Subsections 106.02 and 106.04.

Excavation and backfill will be evaluated under Section 209.

Concrete will be evaluated under Section 601.

Measurement

615.09 Measure the Section 615 items listed in the bid schedule according to Subsection 109.02. Geotextile is considered incidental to other items in the contract and will not be measured for payment.

Payment

615.10 The accepted quantities will be paid at the contract price per unit of measurement for the Section 615 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See

Subsection 109.05.

Gunflint Tree Cooler Location

Tofte Tree Cooler Location jtstrezishar Pencil