Attachment_2_-_Specifications.pdf

United States Department of the Interior Bureau of Land Management

Grand Junction Field Office Colorado

18 Road Recreation Area Improvements

SPECIFICATIONS

PROJECT TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

01 11 00 SUMMARY OF WORK

01 20 00 PRICE AND PAYMENT PROCEDURES

01 32 01 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 46 00 QUALITY CONTROL

01 57 60 SUPPLEMENTAL ENVIRONMENTAL CONTROLS

01 80 00 PHOTOGRAPHIC DOCUMENTATION

DI VI SI ON 02 - EXI STI NG CONDI TI ONS

02 20 00 SURVEY AND PROJECT STAKEOUT

02 41 00 DEMOLITION

DI VI SI ON 03 - CONCRETE

03 30 00 CAST-IN-PLACE CONCRETE

DI VI SI ON 05 - METALS

05 50 20 GAZEBO

DI VI SI ON 12 - FURNI SHI NGS

12 60 00 PRECAST CONCRETE TOILET BUILDING

12 93 00 SITE FURNISHINGS

DI VI SI ON 31 - EARTHWORK

31 00 00 EARTHWORK

31 11 00 CLEARING AND GRUBBING

DI VI SI ON 32 - EXTERI OR I MPROVEMENTS

32 90 20 SEEDING

DI VI SI ON 33 - UTI LI TI ES

33 40 00 STORM DRAINAGE UTILITIES

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 1

SECTION 01 11 00

SUMMARY OF WORK

PART 1 GENERAL

1.1 PROJECT DESCRIPTION

The work includes, but is not limited to; site work, road and parking area construction, precast concrete toilet installation, gazebo installation, and campsite construction.

1.2 LOCATION

The project is located approximately 12 miles north of the city of Fruita, CO. From Fruita, Colorado, travel north on 18 Road until you get to the existing BLM North Fruita Desert trailhead. The project location can also be found by searching "North Fruita Desert" in google maps.

1.3 WORK SCHEDULE

Work is not allowed from April 15 to July 15 to protect wildlife.

Work is not allowed September 19-22 and October 3-6. There are large race events scheduled at the project site those dates.

Work shall occur Monday - Friday, excluding federal holidays.

Work shall be completed within 150 days of the Notice to Proceed.

1.4 PUBLIC SAFETY

The project site is a busy recreation area. The project site will remain open to the public during the work. Contractor shall take precautions, as necessary, to protect the public from construction hazards.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

-- End of Section --

SECTION 01 11 00 Page 2

SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

PART 1 GENERAL

Payment items for the work of this contract for which contract payments will be made are listed in the SCHEDULE and described below. All costs for items of work, which are not specifically mentioned to be included in a particular job are included in the listed job item most closely associated with the work involved. The price and payment made for each item listed constitutes full compensation for furnishing all labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.1 MOBILIZATION AND DEMOBILIZATION

1.1.1 Payment

Payment will be made for costs associated with mobilization and demobilization.

When 5% of the original Contract amount is earned from other bid items, 50% of the amount bid for mobilization or 5% of the original Contract amount, whichever is lesser, will be paid.

When 15% of the original Contract amount is earned from other bid items, 100% of the amount bid for mobilization or 8% of the original Contract amount, whichever is lesser, will be paid.

Upon completion of work for the project, payment of the amount bid for mobilization in excess of 8% of the original Contract amount, will be paid.

1.1.2 Unit of Measure

Unit of measure: job.

1.2 PROJECT STAKEOUT

1.2.1 Payment

Payment will be made for all costs associated with surveying and staking out the work.

1.2.2 Unit of Measure

Unit of measure: Job.

SECTION 01 20 00 Page 3

1.3 DEMOLITION

1.3.1 Payment

Payment will be made for all costs associated with demolition. Including transportation and disposal.

1.3.2 Unit of Measure

Unit of measure: job.

1.4 CLEARING AND GRUBBING

1.4.1 Payment

Payment will be made for all costs associated with clearing and grubbing.

Including transportation and disposal of materials.

1.4.2 Unit of Measure

Unit of measure: Job.

1.5 SITE GRADING

1.5.1 Payment

Payment will be made for all costs associated with site grading, including moisture conditioning, and compaction.

1.5.2 Unit of Measure

Unit of measure: Job.

1.6 PRECAST CONCRETE TOILET BUILDING

1.6.1 Payment

Payment will be made for all costs associated with providing a precast concrete toilet building. Including preparation, transportation, bedding material, installation, and backfill compaction.

1.6.2 Unit of Measure

Unit of measure: Each.

1.7 AGGREGATE BASE COURSE

1.7.1 Payment

Payment will be made for all costs associated with providing aggregate base course. Including preparation, transportation, placement, moisture

SECTION 01 20 00 Page 4 conditioning, and compaction. Submit weight tickets.

1.7.2 Unit of Measure

Unit of measure: ton.

1.8 CONCRETE PARKING STOP

1.8.1 Payment

Payment will be made for all costs associated with providing parking stops.

1.8.2 Unit of Measure

Unit of measure: Each.

1.9 FIRE RING

1.9.1 Payment

Payment will be made for all costs associated with providing fire rings.

Including foundation, gravel, and site preparation.

1.9.2 Unit of Measure

Unit of measure: Each.

1.10 ACCESSIBLE FIRE RING

1.10.1 Payment

Payment will be made for all costs associated with providing accessible fire rings. Including foundation, gravel, and site preparation.

1.10.2 Unit of Measure

Unit of measure: Each.

1.11 PICNIC TABLE

1.11.1 Payment

Payment will be made for all costs associated with providing picnic tables. Including grading and aggregate surfacing around picnic tables.

1.11.2 Unit of Measure

Unit of measure: Each.

SECTION 01 20 00 Page 5

1.12 SIGN POSTS - CAMPSITE IDENTIFICATION

1.12.1 Payment

Payment will be made for all costs associated with providing sign posts.

1.12.2 Unit of Measure

Unit of measure: Each.

1.13 GAZEBO

1.13.1 Payment

Payment will be made for all costs associated with providing a gazebo.

Including preparation, grading, foundation, erection, and aggregate.

1.13.2 Unit of Measure

Unit of measure: Each.

1.14 CORRUGATED METAL PIPE CULVERT

Payment will be made for all costs associated with providing corrugated metal pipe culverts, including bedding material, earthwork, and compaction.

1.14.1 Unit of Measure

Unit of measure: linear foot

1.15 SEEDING

1.15.1 Payment

Payment will be made for all costs associated with seeding.

1.15.2 Unit of Measure

Unit of measure: Job.

SECTION 01 20 00 Page 6

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

Not Used

SECTION 01 20 00 Page 7

SECTION 01 32 01

PROJECT SCHEDULE

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Initial Project Schedule ; G

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.1 GENERAL REQUIREMENTS

Prepare for approval a Project Schedule, as specified herein, and pursuant to FAR Clause 52.236-15 Schedules for Construction Contracts. Show in the schedule the proposed sequence to perform the work and dates contemplated for starting and completing all schedule activities. The scheduling of the entire project is required.

3.2 PROJECT SCHEDULE DETAILED REQUIREMENTS

3.2.1 Level of Detail Required

Develop the Project Schedule to the appropriate level of detail to address major milestones and to allow for satisfactory project planning and execution.

3.2.2 Mandatory Tasks

Include the following activities/tasks in the initial project schedule and all updates.

a. Submission, review and acceptance of submittals.

b. Long procurement activities

c. Contractor's pre-final inspection.

d. Government's pre-final inspection.

e. Final inspection.

SECTION 01 32 01 Page 8

3.2.3 Government Activities

Include Government activities that could impact progress. These activities include, but are not limited to: Government inspections of work, Government approval of submittals.

3.3 WEEKLY PROGRESS MEETINGS

Conduct a weekly meeting with the Government for the purpose of jointly reviewing the actual progress of the project as compared to the as planned progress and to review planned activities.

3.4 FAILURE TO ACHIEVE PROGRESS

Should the progress fall behind the approved project schedule, the Contracting Officer may require provision of a written recovery plan for approval. The plan must detail how progress will be made-up to include which activities will be accelerated by adding additional crews, longer work hours, extra work days, etc.

3.4.1 Failure to Perform

Failure to perform work and maintain progress in accordance with the supplemental recovery plan may result in an interim and final unsatisfactory performance rating and may result in corrective action directed by the Contracting Officer pursuant to FAR 52.236-15 Schedules for Construction Contracts, FAR 52.249-10 Default (Fixed-Price Construction), and other contract provisions.

3.4.2 Recovery Schedule

Should the Contracting Officer find it necessary, submit a recovery schedule pursuant to FAR 52.236-15 Schedules for Construction Contracts.

SECTION 01 32 01 Page 9

SECTION 01 33 00

SUBMITTAL PROCEDURES

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only.

1.2 INFORMATION ONLY SUBMITTALS

Normally submittals for information only will not be returned. Approval of the Contracting Officer's Representative is not required on information only submittals. The Government reserves the right to require the Contractor to resubmit any item found not to comply with the contract.

This does not relieve the Contractor from the obligation to furnish material conforming to the plans and specifications; will not prevent the Contracting Officer from requiring removal and replacement of nonconforming material incorporated in the work; and does not relieve the Contractor of the requirement to furnish samples for testing by the Government.

1.3 GOVERNMENT APPROVING AUTHORITY

The Contracting Officer's Representative will:

a. Note the date on which the submittal was received.

b. Review submittals for approval within 10 days of receipt.

c. Identify returned submittals with one of the actions defined in paragraph REVIEW NOTATIONS and with markings appropriate for action indicated.

Upon completion of review of submittals requiring Government approval, one copy of the submittal will be retained by the Contracting Officer's Representative and one copy of the submittal will be returned to the Contractor.

1.3.1 Review Notations

Submittals will be returned to the Contractor with the following notations:

a. Submittals marked "approved" or "accepted" authorize the Contractor to proceed with the work covered.

b. Submittals marked "approved as noted" or "approved, except as noted, resubmittal not required," authorize the Contractor to proceed with the work covered provided the Contractor takes no exception to the corrections.

c. Submittals marked "not approved" or "disapproved," or "revise and resubmit," indicate noncompliance with the contract requirements or design concept, or that submittal is incomplete. Resubmit with appropriate changes. No work shall proceed for this item until

SECTION 01 33 00 Page 10 resubmittal is approved.

d. Submittals marked "not reviewed" will indicate submittal has been previously reviewed and approved, is not required, does not have evidence of being reviewed and approved by Contractor, or is not complete. A submittal marked "not reviewed" will be returned with an explanation of the reason it is not reviewed. Resubmit submittals returned for lack of review by Contractor or for being incomplete, with appropriate action, coordination, or change.

e. Submittals marked "receipt acknowledged" indicate that submittals have been received by the Government. This applies only to "information-only submittals" as previously defined.

1.4 DISAPPROVED SUBMITTALS

Make corrections required by the Contracting Officer's Representative. If the Contractor considers any correction or notation on the returned submittals to constitute a change to the contract drawings or specifications; notice as required under the FAR clause entitled CHANGES, is to be given to the Contracting Officer.

If changes are necessary to submittals, make such revisions and submission of the submittals in accordance with the procedures above. No item of work requiring a submittal change is to be accomplished until the changed submittals are approved.

1.5 APPROVED SUBMITTALS

The Contracting Officer's approval of submittals is not to be construed as a complete check.

Approval or acceptance will not relieve the Contractor of the responsibility for any error which may exist, as the Contractor under the Contractor Quality Control (CQC) requirements of this contract is responsible for.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

Not Used

SECTION 01 33 00 Page 11

SUBMITTAL FORM,Jan 96 PREVIOUS EDITION IS OBSOLETE PAGE 1 OF 2 PAGES

18 Road Recreation Area Improvements, Phase 3

01 32 01 SD-01 Preconstruction Submittals

GInitial Project Schedule

01 46 00 SD-01 Preconstruction Submittals

1.2 GQuality Control (QC) Manager

01 57 60 SD-01 Preconstruction Submittals

3.6 GSpill Prevention And Cleanup

Plan

3.1 GRainfall Erosivity Waiver

Exclusion Permit

3.2 GState Of Colorado Stormwater

Discharge Permit

SD-11 Closeout Submittals

3.5 GPhotographic Documentation

03 30 00 SD-03 Product Data

2.3 GStructural Macro Synthetic

Reinforcing Fibers

05 50 20 SD-01 Preconstruction Submittals

2.1 GGazebo

3.3 GInstallation Instructions

SD-11 Closeout Submittals

3.2 GPhotographic Documentation

12 60 00 SD-03 Product Data

2.1 GPrecast Toilet Building

3.1 GManufacturer's Product

Specifications and installation instructions

SUBMITTAL REGISTER

CONTRACT NO.

TITLE AND LOCATION CONTRACTOR

CONTRACTOR:

SCHEDULE DATES

CONTRACTOR

ACTION

APPROVING AUTHORITY

A C T I V I T Y

N O

T R A N S M I T T A L

N O

S P E C

S E C T

DESCRIPTION

ITEM SUBMITTED

P A R A G R A P H

C L A S S I F I C A T I O N

G O V T

O R

A E

R E V W

R SUBMIT

APPROVAL

NEEDED

BY

MATERIAL

NEEDED

BY

A C T I O N

C O D E

DATE

OF

ACTION

DATE FWD

TO APPR

AUTH/

DATE RCD

FROM

CONTR

DATE FWD

TO OTHER

REVIEWER

DATE RCD

FROM OTH

REVIEWER

A C T I O N

C O D E

DATE

OF

ACTION

MAILED

TO

CONTR/

DATE RCD

FRM APPR

AUTH REMARKS

(a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) (o) (p) (q) (r)

SUBMITTAL FORM,Jan 96 PREVIOUS EDITION IS OBSOLETE PAGE 2 OF 2 PAGES

18 Road Recreation Area Improvements, Phase 3

12 93 00 SD-03 Product Data

2.2 GPicnic Tables

2.1 GFire Rings

2.4 GParking Stops

31 00 00 SD-03 Product Data

2.1 GAggregate Base Course

SD-07 Certificates

3.8Aggregate Weight Tickets

32 90 20 SD-03 Product Data

2.1 GSeed Mixture

SD-07 Certificates

3.1 GSeed Certification

33 40 00 SD-03 Product Data

2.1 GCorrugated Steel Pipe

2.2 GJoint

SD-11 Closeout Submittals

3.3 GPhotographic Documentation

SUBMITTAL REGISTER

CONTRACT NO.

TITLE AND LOCATION CONTRACTOR

CONTRACTOR:

SCHEDULE DATES

CONTRACTOR

ACTION

APPROVING AUTHORITY

A C T I V I T Y

N O

T R A N S M I T T A L

N O

S P E C

S E C T

DESCRIPTION

ITEM SUBMITTED

P A R A G R A P H

C L A S S I F I C A T I O N

G O V T

O R

A E

R E V W

R SUBMIT

APPROVAL

NEEDED

BY

MATERIAL

NEEDED

BY

A C T I O N

C O D E

DATE

OF

ACTION

DATE FWD

TO APPR

AUTH/

DATE RCD

FROM

CONTR

DATE FWD

TO OTHER

REVIEWER

DATE RCD

FROM OTH

REVIEWER

A C T I O N

C O D E

DATE

OF

ACTION

MAILED

TO

CONTR/

DATE RCD

FRM APPR

AUTH REMARKS

(a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) (o) (p) (q) (r)

SECTION 01 46 00

QUALITY CONTROL

PART 1 GENERAL

1.1 QUALITY CONTROL

Contractor shall establish and maintain an effective quality control (QC) system that complies with FAR 52.246-12 Inspection of Construction.

Quality control (QC) is comprised of plans, procedures, and organization necessary to produce an end product that complies with the contract requirements.

1.2 QUALITY CONTROL MANAGER

Provide a quality control (QC) manager at the work site to implement and manage the QC program. The QC Manager may also be the project superintendent.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Quality Control (QC) Manager ; G

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 QUALITY CONTROL

Contractor shall ensure that the construction complies with the requirements of the contract. At a minimum, perform the following prior to beginning work on each definable feature of work:

Review each paragraph of the applicable specification sections.

Review the contract drawings.

Verify that appropriate submittals have been approved.

Verify that the required preliminary work has been completed and complies with the contract.

Do not build upon nor conceal non-conforming work.

SECTION 01 46 00 Page 12

SECTION 01 57 60

SUPPLEMENTAL ENVIRONMENTAL CONTROLS

PART 1 GENERAL

1.1 DEFINITIONS

Equipment: for the purpose of this specification, equipment shall include, but isn't limited to; dozers, backhoes, trackhoes, trailers, graders, compactors, or any other construction equipment used to accomplish the work. Passenger vehicles are not considered equipment.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Spill Prevention And Cleanup Plan ; G

Rainfall Erosivity Waiver Exclusion Permit ; G

State Of Colorado Stormwater Discharge Permit ; G

SD-11 Closeout Submittals

Photographic Documentation ; G

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 STATE OF COLORADO STORMWATER DISCHARGE PERMIT - RAINFALL EROSIVITY

WAIVER EXCLUSION FROM STORMWATER PERMITTING

The contractor shall be responsible for all aspects of obtaining a State of Colorado rainfall erosivity waiver exclusion permit. The contractor shall submit the approved rainfall erosivity waiver exclusion permit prior to completing any work on site.

The contractor shall complete all ground disturbance work withing the timeline specified in the rainfall erosivity waiver exclusion permit. If the contractor exceeds the timeline specified in the permit, then all ground disturbance work shall stop and shall not restart until the contractor obtains an approved State of Colorado, stormwater discharge permit.

If the contractor can not obtain an approved rainfall erosivity waiver exclusion, then the contractor shall obtain a State of Colorado stormwater discharge permit.

SECTION 01 57 60 Page 13

3.1.1 GROUND DISTURBANCE AREA

The ground disturbance area for this project is 4.3 acres.

3.2 STATE OF COLORADO STORMWATER DISCHARGE PERMIT

A State of Colorado stormwater discharge permit is only required if the contractor can not obtain a rainfall erosivity waiver exclusion permit, or exceeds the time limitations of the rainfall erosivity waiver exclusion permit.

The contractor shall be responsible for all aspects of obtaining the stormwater discharge permit. The BLM will sign the application only after the contractor has fully completed the permit application.

The contractor shall be responsible for ensuring compliance with all terms and conditions of the permit including, and not limited to; completion and implementation of the Stormwater Management Plan (SWMP), providing a qualified stormwater manager, site inspections, inspection reports, monitoring and monitoring records.

The contractor shall submit the approved stormwater discharge permit, issued by the state of Colorado, prior to completing any work on site.

3.3 EROSION CONTROL

In addition to the requirements of the State of Colorado stormwater permits, contractor shall take measures, as necessary to control erosion. Contractor shall inspect site after rain (or melt) events and mitigate areas where erosion or sediment runoff is occurring. Erosion includes wind. Contractor shall water exposed soils, as necessary, to prevent wind erosion.

3.4 FIRE PREVENTION

All equipment shall have a spark arrester installed. The Contractor shall have a fire extinguisher and shovel readily available to contain and extinguish fires.

3.5 EQUIPMENT CLEANING AND MAINTENANCE

Equipment shall be cleaned prior to arriving on site. Equipment shall arrive on site free from dirt, debris, weeds, and seeds. All equipment shall be inspected by the Contracting Officer's Representative, on site, and prior to unloading. Notify the Contracting Officer's Representative at least 7 days prior to equipment delivery to coordinate inspection. If equipment leaves the jobsite, and returns at a later date, then equipment shall be re-inspected before reentering the work site.

Equipment maintenance will not be allowed on site. Equipment leaking fluids shall be removed from site.

Provide photographic documentation in accordance with section 01 80 00 .

Provide pictures demonstrating equipment is clean while the equipment is onsite, and prior to unloading.

SECTION 01 57 60 Page 14

3.6 SPILL PREVENTION

The Contractor shall submit a spill prevention and cleanup plan. The spill prevention and cleanup plan shall identify foreseeable accidents, including spills while adding fluids to equipment, and identify an action plan to rapidly clean all accidents. Cleanup materials and equipment shall be on site during work.

3.7 WASTE CONTROL

All waste generated by the work shall be contained and removed from the site and disposed of in a legal manor.

SECTION 01 57 60 Page 15

SECTION 01 80 00

PHOTOGRAPHIC DOCUMENTATION

PART 1 GENERAL

1.1 SUMMARY OF WORK

Document that the work is in compliance with contract requirements.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 PHOTOGRAPHS

Provide photographs in sufficient detail and quantity to demonstrate compliance with contract requirements. Submit electronic photographs via email. Photographs sent via text message will not be accepted.

Photographs do not negate requirements for Contracting Officer's Representative's inspections and approvals on specified items of work.

SECTION 01 80 00 Page 16

SECTION 02 20 00

SURVEY AND PROJECT STAKEOUT

PART 1 GENERAL

Not Used.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 PROJECT STAKEOUT

The contractor shall stake out the project as detailed on the drawings, and as required for construction.

3.2 STAKEOUT REVIEW

The Contracting Officer's Representative and the Contractor shall review the layout, as staked, together. The Contractor shall build 15 working days into the project schedule for coordination of a meeting date that works for both the Contractor and the Contracting Officer's Representative.

The Contracting Officer's Representative may make minor modifications to the layout in order to minimize the damage to existing vegetation, or for constructability. The contractor shall receive approval of the stakeout prior to clearing and grubbing, or other earth disturbing activities.

SECTION 02 20 00 Page 17

SECTION 02 41 00

DEMOLITION

PART 1 GENERAL

Remove approximately 70 feet of existing post and cable fencing. Exact fence removal extents will be flagged by the Contracting Officer's Representative during the survey stakeout review.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 POST AND CABLE FENCING

Cut the wire rope, relocate the end post, and reconnect the wire rope to the relocated end fence post in the same manor that it was connected before relocation.

3.2 DISPOSAL OF REMOVED MATERIALS

All materials removed, shall become the property of the Contractor and shall be removed from Government property and disposed of in a legal manor.

SECTION 02 41 00 Page 18

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this section to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN CONCRETE INSTITUTE (ACI)

ACI 301 (2016) Specifications for Structural Concrete

ACI 305.1 (2014) Specification for Hot Weather Concreting

ACI 306.1 (1990; R 2002) Standard Specification for Cold Weather Concreting

ASTM INTERNATIONAL (ASTM)

ASTM A615/A615M (2020) Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

ASTM C387/C387M (2017) Standard Specification for Packaged, Dry, Combined Materials for Concrete and High Strength Mortar

NATIONAL READY MIXED CONCRETE ASSOCIATION (NRMCA)

NRMCA QC 3 (2015) Quality Control Manual: Section 3, Plant Certifications Checklist:

Certification of Ready Mixed Concrete Production Facilities

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-03 Product Data

Structural Macro Synthetic Reinforcing Fibers ; G

PART 2 PRODUCTS

2.1 CONCRETE

Provide concrete composed of portland cement, aggregates, water, and admixtures as specified.

SECTION 03 30 00 Page 19

2.1.1 STRENGTH

Compressive strength (f'c) shall be 3500 psi at 28 days.

2.1.2 Air Entrainment

Attain air content at point of placement between 4 and 6 percent.

2.1.3 SLUMP

Slump of the concrete, at the point of placement, shall be 4 inches or less.

2.1.4 PORTLAND CEMENT

ASTM C150/C150M, Type II.

2.2 STEEL REINFORCEMENT BARS (REBAR)

Steel reinforcement shall comply with ACI 301 and ASTM A615/A615M , Grade60;

2.3 STRUCTURAL MACRO SYNTHETIC REINFORCING FIBERS

Structural macro synthetic reinforcing fibers shall be Sika Fibermesh 650, or approved equal. Structural macro synthetic reinforcing fibers shall have a diameter greater than 0.3 mm and a length between 1 inch and 3 inches.

2.4 PREPACKAGED CONCRETE MIXTURE

Prepackaged concrete mix shall be identified as conforming to

ASTM C387/C387M

2.5 READY MIXTURE

Ready-mix plant equipment and facilities must be certified in accordance with NRMCA QC 3.

PART 3 EXECUTION

3.1 STRUCTURAL MACRO SYNTHETIC REINFORCING FIBERS

Provide 4 pounds of reinforcing fibers per cubic yard of concrete.

Incorporate into concrete mix as recommended by the manufacturer.

3.2 STEEL REINFORCEMENT BARS (REBAR)

Provide as shown on the drawings.

3.3 PREPACKAGED CONCRETE MIXTURE

Use the minimum amount of water to make the mixture. Adding too much water to the mixture will greatly reduce the overall compressive strength. Average slump shall be between 2" to 4".

3.4 FOOTINGS

Concrete for footings may be placed in excavations without forms.

SECTION 03 30 00 Page 20

Excavation width must be a minimum of 2 inches greater than indicated if forms are not used.

3.5 CONCRETE CONSOLIDATION

Concrete shall be adequately vibrated, rodded, or spaded into place to fill voids. The gazebo footings shall be vibrated.

3.6 COLD WEATHER REQUIREMENTS

Perform cold weather concreting in accordance with ACI 306.1 . Use special protection measures if freezing temperatures are anticipated before the expiration of the specified curing period. The ambient temperature of the air where concrete is to be placed and the temperature of surfaces to receive concrete must be not less than 40 degrees F. The temperature of the concrete when placed must be not less than 50 degrees F nor more than 75 degrees F. Heat the mixing water or aggregates to regulate the concrete placing temperature. Materials entering the mixer must be free from ice, snow, or frozen lumps. Do not incorporate salt, chemicals or other materials in the concrete to prevent freezing.

3.7 HOT WEATHER REQUIREMENTS

When job-site conditions are present or anticipated that accelerate the rate of moisture loss or rate of cement hydration of freshly mixed concrete, including an ambient temperature of 80 degrees F or higher, and an evaporation rate that exceeds 0.2 lb/ft2/h, conform concrete work to all requirements of ACI 305.1 .

SECTION 03 30 00 Page 21

SECTION 05 50 20

GAZEBO

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation;

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Gazebo; G

Installation Instructions ; G

SD-11 Closeout Submittals

Photographic Documentation ; G

PART 2 PRODUCTS

2.1 GAZEBO

Gazebo shall be, 20' x 20' Mesa, HR-36, as manufactured by Classic Recreation Systems Inc.

Roofing shall be 24 gauge, HR-36 panels, factory coated with Kynar500 finish. Steel shall be factory powder coated. Submit gazebo details and color samples for approval.

http://shadesun.com/

(928) 775-3307 11875 E. Berry Drive Dewey AZ 86327

PART 3 EXECUTION

3.1 LOCATION

Gazebo location shown on the drawings is approximate. Exact location will be staked by the Contracting Officer's Representative.

3.2 FOUNDATION

Verify the exact dimensions of the gazebo prior to constructing the foundation. The gazebo columns shall align with the center of the foundations. Secure the columns to the foundation. Provide anchor bolt, washer, and nuts.

Provide photographic documentation in accordance with section 01 80 00 PHOTOGRAPHIC DOCUMENTATION. Provide pictures demonstrating the foundation and rebar comply with requirements.

SECTION 05 50 20 Page 22

3.3 ERECTION

Erect the gazebo in accordance with the manufacturer's installation instructions. Submit the manufacturer's installation instructions .

SECTION 05 50 20 Page 23

SECTION 12 60 00

PRECAST CONCRETE TOILET BUILDING

PART 1 GENERAL

1.1 SCOPE

This specification covers the installation of a precast toilet building as produced by CXT Incorporated.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-03 Product Data

Precast Toilet Building ; G

Manufacturer's Product Specifications and installation instructions ; G

PART 2 PRODUCTS

2.1 PRECAST TOILET BUILDING

The precast toilet building shall be manufactured by CXT Incorporated.

CXT Incorporated Spokane Industrial Park 3808 North Sullivan Road, Building 7 Spokane, WA 99216 Phone 800-696-5766

2.1.1 MODEL

Tioga Special, double vault.

2.1.2 TEXTURES AND COLORS

Ext er i or Locat i on Texture Color

Walls Barnwood Sand Beige

Roof Cedar Shake Granite Rock

2.1.3 WALL VENT LOCATION

The wall vents shall be on the back wall, upon entering the door.

SECTION 12 60 00 Page 24

2.1.4 ADDITIONAL BUILDING REQUIREMENTS

Supply (2) 3 roll paper holders, for a total of 6 rolls. Note: (1) 3 roll holder is standard, (2) 3 roll paper holders will require additional coordination with the manufacturer.

Install solar vent fan for each vent.

Install unisex signage.

2.2 PRODUCT REQUIREMENTS

The precast toilet building shall meet the following criteria.

2.2.1 Manufacturer Criteria

The manufacturer supplying the precast concrete vault toilet must meet the following:

A. Manufacturer must be ISO 9001 certified.

B. Manufacturing plant must be PCI certified.

C. Manufacturer must provide stamped, engineered drawings prior to acceptance.

D. Manufacturer must show four (4) examples of Sweet Smelling Technology designed precast concrete vault toilet facilities produced, installed, and in use as an example of their ability to perform.

E. Manufacture shall provide a twenty (20) year warranty.

F. UL 752 Bullet Resistance on 4" thick concrete samples.

2.2.2 Design Criteria

2.2.2.1 Roof Snow Load

Vault buildings are designed to withstand a 350 pounds per square foot snow load.

2.2.2.2 Floor Load

Vault buildings are designed to withstand 400 pounds per square foot floor load.

2.2.2.3 Wind Load

Vault buildings shall withstand the effects of 150 miles per hour (3-second gust) wind exposure C.

2.2.2.4 Earthquake

Vault buildings will withstand the effects of a seismic design category E earthquake.

2.2.2.5 Sweet Smelling Technology (SST)

Vault buildings shall incorporate design aspects of SST as outlined by Briar Cook for the U.S. Forest Service. All wall to floor interior surface seams shall have a minimum 1" radius coving made of high strength grout. The vault shall have a bottom slope of 1" per foot from under the toilet riser out to the outside cleanout area. The vault shall have a 24"

SECTION 12 60 00 Page 25 diameter (minimum) lightweight manhole cover installed to the rear or side of the building. The manhole cover should be raised, with the surrounding concrete sloped away using a minimum slope of ½" per foot. The depth of the vault shall be no deeper than 4½' to 5'. A 12" diameter round pipe will be installed to vent the vault and the pipe shall be raised a minimum of 3' above the highest point of the roof. Vent pipe shall be straight up from the vault. There shall be only one vent opening in the building.

2.2.2.6 Additional Design Standards

Single vault buildings shall be an all concrete design with a minimum 7/12 roof pitch. Vault buildings shall have a minimum 4" wall, 4½" roof, and 5" floor thickness. Vault buildings shall have a one-piece floor unit to prevent panels that migrate in different directions during periods of freeze/thaw stress. Vault buildings shall have a one-piece full length and width vault unit to support the building, screen area, and snow loads evenly.

2.2.2.7 Concrete - Colored

The roof panels, building walls, and screen panels shall be colored concrete. Color shall match the existing concrete toilet building on site.

2.2.2.8 Doors - Steel

Doors are flush panel type 1¾" thick, minimum 16-gauge galvanized steel, top painted with DTM ALKYD.

Door frames are knockdown or welded type, single rabbet, minimum 16-gauge prime coated steel top painted with DTM ALKYD, width to suit wall thickness. Three (3) rubber door silencers are provided on latch side of frame. Three hinges (3) per door with dull chrome plating 4½" x 4½", adjustable tension, and automatic closing for each door. Dome style doorstop stop meeting ANSI 156.16. Provide door sweep at the bottom of door with an adjustable brush.

2.2.2.9 Grab Bars

Grab ars shall be 18-gauge, type 304 stainless steel with 1½" clearance.

Able to withstand 300-pound top loading.

2.2.2.10 Riser

Riser shall meet ADA standards, be constructed of molded one-piece HDPE polyethylene, and have a smooth surface and have high impact resistance at extremely cold temperatures.

2.2.2.11 Toilet Paper Dispenser

Toilet Paper Dispenser shall be constructed of ¼" thick, type 304 stainless steel, hold three (3) standard rolls of toilet paper.

Fastening system able to withstand 300-pound top loading.

2.2.2.12 Polyethylene Vault Liner

Polyethylene Vault Liner shall be made of a Roto molded 8460 polyethylene. Hold up to 1,000 gallons of waste. Minimum thickness .100.

SECTION 12 60 00 Page 26

2.3 CONTRACTOR PROPOSED SUBSITUTIONS

Contractor proposed substitutions to the precast toilet building specified shall be submitted with the bid. If proposed substitution doesn't meet the specifications, the bid will not be considered. If a bid is submitted without a proposed substitution, then the contractor shall install the precast toilet building specified.

PART 3 EXECUTION

3.1 INSTALLATION

Install the precast toilet building in accordance with the manufacturer's product specifications. The entire manufacturer's specification will be incorporated, including the excavation, elevation, backfill, compaction, and material requirements. A sand or aggregate bedding material shall be installed. Submit the manufacturer's product specifications and installation instructions , which will supplement this specification section.

3.1.1 Finish Floor Elevation and Slope

The finish floor elevation will be provided by the BLM. The contractor shall install the precast toilet building within 0.05 feet of the elevation provided. The precast toilet building shall be sloped between 1% and 1.5% to allow water to drain out of the interior of the building, through the door.

3.1.2 Backfill and Compaction

Backfill and compact in accordance with the manufacturer's product specifications. In addition to the compaction specified in the manufacturer's product specifications:

Backfill adjacent to the precast toilet building shall be placed in 8 inch, maximum, lifts and compacted with a whacker-type mechanical tamper or equivalent.

SECTION 12 60 00 Page 27

SECTION 12 93 00

SITE FURNISHINGS

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-03 Product Data

Picnic Tables ; G

Fire Rings ; G

Parking Stops ; G

PART 2 PRODUCTS

2.1 FIRE RINGS

2.1.1 Accessible Fire Rings

Accessible fire rings shall be compliant with the American with Disability Act (ADA). Accessible fire rings shall be as manufactured by Pilot Rock or approved equal. Note: Jamestown Advanced Products will NOT be approved as an "or equal".

Pilot Rock Fire Ring Model: M-32/17/PA

2.1.2 Fire Rings

Fire rings shall be as manufactured by Pilot Rock or approved equal.

Note: Jamestown Advanced Products will NOT be approved as an "or equal".

Pilot Rock Fire Ring Model: FSW-30/9/PA

2.1.3 Anchors

Fire rings shall be anchored with three steel pins and encased in concrete as shown on the drawings.

2.2 PICNIC TABLES

Picnic tables shall be "one piece" reinforced concrete as manufactured by Outdoor Creations Inc. or approved equal, with the Bureau of Land Management (BLM) logo cast into both sides of the table.

Outdoor Creations Inc. Model 100S.

2.3 SIGN POSTS - CAMPSITE IDENTIFICATION

U-Channel sign posts shall be steel, 6 foot total length, have a 1-3/8"

SECTION 12 93 00 Page 28 channel depth, 3/8" holes on 1" centers, and be painted brown.

2.4 CONCRETE PARKING STOPS

Parking stops shall be reinforced concrete. With minimum dimensions of;

six foot length, eight inch width, and 5 inch height.

PART 3 EXECUTION

3.1 SIGN POSTS - CAMPSITE IDENTIFICATION

Install sign posts plumb. Drive the posts 2 feet into the ground. When rock prevents driving, excavate or drill a hole, place post in hole, and grout post securely in position with cement grout or mortar. Install at locations staked by the Contracting Officer.

The contractor is not required to obtain signs for the sign posts.

3.2 PICNIC TABLES

Grade the ground surface level prior to placing picnic tables. Place aggregate under the picnic tables as shown on the drawings. Picnic tables shall be placed in locations staked by the Contracting Officer. Location shown on the drawings is approximate.

3.3 FIRE RINGS

Grade the ground surface level prior to placing fire rings. Fire rings shall be placed in locations staked by the Contracting Officer. Location shown on the drawings is approximate.

3.4 CONCRETE PARKING STOPS

Each parking stop shall be held in place with two (2) #4 rebars, 24 inches long.

SECTION 12 93 00 Page 29

SECTION 31 00 00

EARTHWORK

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-03 Product Data

Aggregate Base Course ; G

SD-07 Certificates

Aggregate Weight Tickets

PART 2 PRODUCTS

2.1 AGGREGATE BASE COURSE

Aggregate base course shall meet the requirements of Colorado Department of Transportation Standard Specifications for Road and Bridge Construction 2022, section 703 AGGREGATES. Aggregate base course gradation shall meet the gradation shown in Table 703-2, Class 6.

PART 3 EXECUTION

3.1 UNDERGROUND UTILITIES

The Contractor is responsible for locating underground utilities prior to construction. The Government is not aware of any underground utilities, however the Contractor shall verify the presence or absence prior to construction.

3.2 GENERAL EXCAVATION

Perform excavation of every type of material encountered to the lines, grades, and elevations indicated and as specified. Perform excavation and fill in a manner and sequence that will provide proper drainage at all times, including during construction.

3.3 GROUND SURFACE PREPARATION

Clear and grub in accordance with section 31 11 00 . Do not perform construction when surfaces are frozen or muddy. Prepare the subgrade to a smooth and compact surface in accordance with the lines, grades, and cross sections or elevations shown. Shape subgrade to drain.

SECTION 31 00 00 Page 30

3.4 EARTHWORK QUANTITIES

Location Cut (Cubic Yards) Fill (Cubic Yards) Net (Cubic Yards)

Grading Area #1 640 60 580

Grading Area #2 480 10 470

Grading Area #3 110 10 100

Grading Area #4 130 10 120

Grading Area #5 1080 1910 -830

Net 440

3.5 CAMPSITE GRADING AREAS

Grade camping areas relatively flat, with slopes not exceeding 2 percent.

3.6 VIBRATORY COMPACTION EQUIPMENT

Vibratory compaction equipment shall have a minimum of 10,000 pounds impact per vibration and a minimum frequency of 1,000 vibrations per minute.

3.7 AGGREGATE PLACEMENT LOCATIONS

3.7.1 Subgrade

Contractor shall prepare the subgrade to the lines and grades shown on the plans.

3.7.2 Subgrade Compaction

Moisten material as necessary to achieve compaction. Compact the subgrade by operating vibratory compaction equipment over the full width. Continue compaction until a firm surface is achieved, without any soft areas, and a minimum of 3 passes over the entire width.

3.7.3 Aggregate Base Course

Contractor shall receive approval of the subgrade prior to placing aggregate base course. Place base course aggregate to the lines and grades shown on the plans.

3.7.4 Aggregate Base Course Compaction

Moisten material as necessary to achieve compaction. Compact the base course aggregate by operating vibratory compaction equipment over the full width. Continue compaction until a firm surface is achieved, without any soft areas, and a minimum of 3 passes over the entire width.

3.8 AGGREGATE WEIGHT TICKETS

Submit aggregate weight tickets . Weight tickets are required prior to

SECTION 31 00 00 Page 31 payment.

3.9 EXCESS MATERIAL DISPOSAL

Move excess material from grading areas 1 through 4 to grading area 5.

Excess cut material shall be placed uniformly on site, at designated locations. Excess cut material shall not be removed from the work site.

Excess material disposed within 20 feet of the gazebo foundations, in all directions, shall be moisture conditioned and compacted in accordance with the subgrade requirements.

3.10 FINISHING

Finish the surfaces to a smooth and compact surface in accordance with the lines, grades, and cross sections or elevations shown. Provide the degree of finish for graded areas within 0.5 foot of the elevations indicated.

Finish surfaces in a manner that will result in effective drainage, regardless of tolerance.

3.10.1 STAKEOUT POINTS - SUBGRADE ELEVATIONS

There is a 0.5 foot tolerance on the subgrade elevations provided. The finish elevations may be altered to aid the earthwork. However, finish slopes shall generally match the slopes shown and never exceed the slopes shown.

3.11 TOILET AREA GRADING

The finish grade slopes from the toilet to the 4 parking spaces adjacent to the toilet shall be less than 2 percent.

SECTION 31 00 00 Page 32

SECTION 31 11 00

CLEARING AND GRUBBING

PART 1 GENERAL

Not Used.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

3.1 SURVEY STAKE OUT

Prior to clearing and grubbing, the contractor shall stake out the project stakeout points, as detailed on the drawings, in accordance with 02 20 00 SURVEY AND PROJECT STAKEOUT. The Contracting Officer's Representative will review the layout as staked and may make minor modifications to the layout in order to minimize the damage to existing vegetation. The contractor shall receive approval of the stakeout prior to clearing and grubbing.

3.2 CLEARING AND GRUBBING LIMITS

Clearing and grubbing limits shall be within the proposed; camping areas, road, parking areas, and ditches.

3.3 PROTECTION

Protect trees and vegetation from damage incident to clearing, grubbing, and construction operations.

3.4 CLEARING

Clearing shall consist of the felling, trimming, and cutting of trees into sections and the satisfactory disposal of the trees and other vegetation designated for removal, including downed timber, snags, brush, and rubbish occurring within the areas to be cleared. Trees, stumps, roots, brush, and other vegetation in areas to be cleared shall be cut off flush with or below the original ground surface.

3.5 GRUBBING

Grubbing consists of the removal and disposal of stumps, roots larger than 3 inches in diameter, and matted roots from the designated grubbing areas.

Remove material to be grubbed, together with logs and other organic or metallic debris not suitable for foundation purposes, to a depth of not less than 12 inches below the original surface level of the ground in the area of new road construction. Fill depressions made by grubbing with suitable material and compact to make the surface conform with the original adjacent surface of the ground.

SECTION 31 11 00 Page 33

3.6 DISPOSAL OF CLEARING AND GRUBBING VEGETATION

Dispose of clearing and grubbing material in locations designated. Logs, stumps, roots, brush, rotten wood, and other organic material resulting from the clearing and grubbing operations, shall be uniformly scattered on site in piles less than 18 inches off the ground. Process, mulch, cut, or limb material as necessary to comply with disposal pile requirements.

SECTION 31 11 00 Page 34

SECTION 32 90 20

SEEDING

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-03 Product Data

Seed Mixture ; G

SD-07 Certificates

Seed Certification ; G

PART 2 PRODUCTS

2.1 SEED MIXTURE

Common Name Scientific Name

Variety Form Pounds per Acre

Total pounds required

Lewis/Blue flax

Linum lewisii Maple Grove Forb 0.5 1.0

Western yarrow Achillea millefolium

UP, Dry Fork Forb 0.3 0.6

Annual sunflower

Helianthus annuus

UP Forb 0.5 1.0

Western Wheatgrass

Pascopyrum [Agropyron] smithii

Uncompahgre Project* (UP), Native Colorado or Utah variety, if available.

If not, then: Rosana, Recovery, Rodan (not Arriba)

Sod-forming 2.5 5

SECTION 32 90 20 Page 35

Thickspike Wheatgrass

Elymus lanceolatus ssp.lanceolatus, Agropyron dasystachyum

Critana, Bannock,Schwendimar

Sod-forming 3.0 6.0

Indian Ricegrass

Oryzopsis] hymenoides

White River, Paloma, Rimrock

Bunch 2.5 5.0

Slender Wheat Elymus trachycaulus, Agropyron trachycaulum

White River, San Luis

Bunch 2.5 5.0

Squirrel tail Elymus elymoides, Sitanion hystrix

Fish Creek, Toe Jam, Wapiti

Bunch 0.5 1.0

Four wing Atriplex canescens

Shrub 1.0 2.0

Submit seed mixture for approval.

Two acres of seeding is required.

PART 3 EXECUTION

3.1 SEED CERTIFICATION

Seed shall be tested by an official state seed analysis laboratory. Seed shall meet the following requirements. Submit seed certification.

Germination Rate 80% minimum

Purity 90% minimum

Noxious Weed Seeds 0.0%

Weed Seeds 0.5% maximum

3.2 SEEDING

Uniformly broadcast seed on disturbed ground after all grading and earthwork is complete.

3.3 SEEDING TIMING RESTRICTIONS

Seed between November and February. If the project is completed outside of the specified time period, then provide the seed to the BLM, and the BLM will seed the ground at the appropriate time.

SECTION 32 90 20 Page 36

SECTION 33 40 00

STORM DRAINAGE UTILITIES

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this section to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM A760/A760M (2015) Standard Specification for Corrugated Steel Pipe, Metallic-Coated for Sewers and Drains

ASTM A929/A929M (2018) Standard Specification for Steel Sheet, Metallic-Coated by the Hot-Dip Process for Corrugated Steel Pipe

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Corrugated Steel Pipe ; G

Joint ; G

SD-11 Closeout Submittals

Photographic Documentation ; G

PART 2 PRODUCTS

2.1 CORRUGATED STEEL PIPE CULVERT

ASTM A929/A929M Aluminum-coated, type 2 (Aluminized Type 2) coated pipe:

a. ASTM A760/A760M Type I (circular) pipe with helical 2-2/3 by 1/2 inch corrugations.

b. 14 gage (0.079 inches).

c. 24 inch diameter.

2.1.1 CULVERT QUANTITIES

Six culverts are required.

SECTION 33 40 00 Page 37

Quantity Each Culvert Length (feet)

4 40

2 50

2.2 JOINT

ASTM A929/A929M Aluminum-coated, type 2 (Aluminized Type 2) coated joint.

ASTM A760/A760M , soil tight joint.

2.3 BEDDING MATERIAL

Bedding material shall meet the following gradation:

Sieve Size Percent passing

1 inch 100%

Number 4 20% - 65%

Number 200 0% - 10%

PART 3 EXECUTION

3.1 TRENCHING

The width of trenches at any point below the top of the pipe shall not be less than the outside diameter of the pipe plus 24 inches to permit thorough tamping of the bedding material under and around the pipe.

3.2 BEDDING

Provide bedding material. The bedding surface for the pipe shall provide a firm foundation of uniform density throughout the entire length of the pipe.

3.3 JOINTING

Install joint in accordance with manufacturer's recommendations. Provide a soil tight joint.

Provide photographic documentation in accordance with section 01 80 00 PHOTOGRAPHIC DOCUMENTATION. Provide pictures demonstrating the joint is properly installed and bedded.

3.4 BACKFILLING

After the pipe has been properly bedded, selected material from excavation or borrow, at a moisture content that will facilitate compaction, shall be placed along both sides of pipe in layers not exceeding 6 inches in compacted depth. The backfill shall be brought up evenly on both sides of

SECTION 33 40 00 Page 38 pipe for the full length of pipe. The fill shall be thoroughly compacted under the haunches of the pipe. Each layer shall be thoroughly compacted with mechanical tampers or rammers.

3.4.1 Backfill Material

Backfill material, within 12 inches of the culvert, shall be free of rocks or particles larger than 2 inches in diameter.

SECTION 33 40 00 Page 39