Attachment_1_-_Plans_and_Specs_1.pdf

GENERAL INFORMATION AND REQUIREMENTS

11/01

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01009 -1

SECTION 01009

PART 1: GENERAL

1.1 SUMMARY

A. Description of Work: Furnishing labor, equipment, supplies, and materials, except for salvaged Government-furnished property, to improve an existing road and parking area, construct a timber OHV Loading Ramp, and replace wood poles on an existing fence.

B. Location: Work under this Contract is in Mesa County, Colorado. The work locations are shown on the drawings.

1.2 REFERENCES

A. Referenced Specifications/Standards with Abbreviations and/or Acronyms:

Wherever the following acronyms are used in these specifications or on the drawings, they are to be construed the same as the respective expressions represented. Copies of the referenced specifications/standards referred to herein may be procured by the Contractor, from the following:

AASHTO American Association of State Highway and Transportation

Officials 444 North Capitol Street, N.W., Suite 249 Washington, DC 20001

AASHTO M 147-65 Materials for Aggregate and Soil

Aggregate Subbase, Base and Surface Courses (R1993)

1.3 DEFINITIONS

A. Approvals: Approval of the submittals is an indication that the Contractor's submittals have been reviewed and that there are no objections, except as noted. Approval of deviations shall apply only to those deviations or omissions from the requirements of the drawings and specifications brought to the Contracting Officer's attention in writing.

After approval of an item, submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project.

1.4 SUBMITTALS

A. Scope: Submittals include materials compliance for the aggregate surfacing and treated timbers and a copy of the construction stakeout plan.

1.5 QUALITY ASSURANCE

A. Codes and Standards: The work shall comply with codes and standards applicable to each type of work and as listed in the individual sections of these specifications. This Contract incorporates materials, GAOA Rabbit Valley Rec and Parking

01009 -2 applications, and tests by reference, with the same force and effect as when they were given in full text.

B. Conflict: Where a conflict occurs between reference documents and project specifications, the project specifications shall govern.

C. Measurements: Where approved manufacturer's diagrams and shop drawings give specific measurements or rough-in dimensions for equipment, these dimensions shall take precedence over dimensions indicated on the drawings.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Protect products incorporated into the work from damage while in transit to the site.

B. Handling: Load and unload products protecting them from damage.

1.7 PROJECT/SITE CONDITIONS

A. Access to the Work: As per Federal Acquisitions Regulations Clause 52.236-10. Access to work locations within the sites shall be limited to existing roads only.

B. Environmental Considerations: As per Federal Acquisitions Regulations

Clause 52.236-9 and 52.236-10.

1.8 SEQUENCING AND SCHEDULING

A. Construction Period Window: Work shall not start prior to July 1 2022 and shall be completed no later that September 1, 2022.

B. Work Schedule: The schedule shall be submitted within 5 calendar days after signing the Notice to Proceed and as per Federal Acquisitions Regulations Clause 52.236-15. When requested, submit an updated schedule. At a minimum, the schedule will state the estimated timeframes for the work to be performed.

PART 2: PRODUCTS

(There are no applicable requirements.)

PART 3: EXECUTION

3.1 PROJECT MEETINGS

A. Pre-Work Conference:

1. Will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date and place. The purpose will be to review required work, project drawings and specifications, construction schedules, payroll and payments, and administrative provisions of the Contract.

2. The Contractor, subcontractors and the persons responsible for coordination of the work shall be present at the meeting.

3. Be prepared to summarize and explain procedures planned for the project and present the submittals requested in the specifications.

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B. Progress Meetings:

1. To be held at the project site, or as determined by the Contracting Officer.

2. May be called by either the Contracting Officer or the Contractor.

Request shall state who should attend and include an agenda.

C. Final Inspection:

1. To be held at the project site, or as determined by the Contracting Officer.

2. Notify the Contracting Officer in writing at least 5 working days before the completion date so the Government can schedule final inspection.

3. The superintendent shall be present during this inspection.

3.2 PREPARATION

A. Work Layout: The coordinates used for creating the layouts are site un-corrected Datum. The construction drawing was created in AutoCAD Civil 3D, version 2018.

The contractor shall be responsible for developing the stakeout plan and for the installation of construction staking along the road sections 0+00

– 5+86 and for the parking area re-construction, including the locations of the OHV Loading Ramp and Steel Parking Delineators. The contractor shall be given an electronic copy (CAD drawing) of the construction drawing for the development of the stakeout plan, or upon request given an electronic “txt” or “csv” file containing the coordinates and elevations of the finished design in place of the electronic construction drawings. Submit an electronic copy and paper printout of the completed stakeout plan for review a minimum of 5 working days prior to starting work.

B. Work Limits and Control Points: Will be established by the Contracting

Officer.

3.3 SALVAGEABLE ITEMS

A. Requirements: Salvageable items consisting of 6 steel parking delineators shall become the property of the Contractor until being re-installed.

Remove and store items designated as salvage at within the general work area at a location approved by the Contracting Officer. Repair damages to delineators caused during removal prior to re-installation if applicable.

3.4 DISPOSAL OF DEBRIS

A. Requirements: Items or debris not designated as salvage shall become the property of the Contractor. Disposal of materials in a legal manner and payment of fees required is the Contractor's responsibility.

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PART 4: MEASUREMENT AND PAYMENT

4.1 METHOD OF MEASUREMENT

A. Units: The work described in this section will not be measured for payment.

4.2 BASIS OF PAYMENT

A. Payment: No direct payment for the work described under this section will be made. Consideration for this item shall be included in the bid price for other items of the Contract.

END OF SECTION

SITE DEMOLITION

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SECTION 02223

A. Section Includes: The removal and disposal of a timber framed earth filled OHV Loading Ramp, wood corral poles from an existing fence, and concrete parking stops. Work also consists of the removal and temporary storage of steel parking delineators.

1.2 SUBMITTALS

A. General: Submittals shall be according to Section 01009 - General Information and Requirements.

(There are no applicable requirements.)

3.1 PREPARATION:

A. Landscape Preservation: Protect vegetation that is outside the work limits from injury.

3.2 DEMOLITION

A. Removal of OHV Loading Ramp: Remove and dispose of all timbers and hardware associated with the loading ramp. Earthen/aggregate fill material located within the existing loading ramp shall be reused as fill material within the proposed parking area.

B. Removal Concrete Parking Stops: Remove and dispose 14 each concrete parking stops and rebar anchor pins.

C. Removal of Wood Poles: Remove the top poles from the fence surrounding the OHV Track. Wood poles average size is 16’ long x 5” diameter and are attached to the posts with ½” all-thread, nuts, and washers. Salvage hardware to be used in the installation of the new poles unless damaged.

D. Removal and salvage of Steel Parking Delineators: Remove 6 steel parking delineators as shown on the drawings. The rebar anchor pins are welded to the delineators, remove rebar from.

3.3 DISPOSAL OF DEBRIS

A. Requirements: Items or debris not designated as salvage for the Government shall become the property of the Contractor. Remove and dispose of such materials in a legal manner.

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02223 - 2 be made. Consideration for this item shall be included in the bid price for other items of the Contract.

EXCAVATION AND FILL

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SECTION 02315

A. Section Includes: Excavation and placement of materials as shown on the drawings.

1.2 DEFINITIONS

A. Unclassified Excavation: Consists of the material excavation and placement regardless of its nature.

B. Common Excavation: Removal of materials which can be excavated using a rear-mounted, heavy-duty, single-tooth ripping attachment mounted on a crawler tractor with a power rating of 140 net horsepower or less shall be considered common excavation.

C. Rock Excavation: Removal of material is rock excavation when it consists of igneous, metamorphic, and sedimentary rock which cannot be excavated with the use of a tractor having a power rating in excess of 170 net horsepower, with a rear-mounted, heavy-duty, single-tooth, ripping attachment.

D. Fill Material: Shall be mineral soil free from peat, frozen material, brush, trees, roots over 2 inches in diameter and rocks over 6 inches in greatest diameter obtained from site during excavation.

2.1 MATERIALS

A. Volumes: Earthwork volume totals of Cut/Fill Material are determined by using the Grading Group Properties in Civil 3D, 2018. Volumes are measured between existing ground and finished subgrade surface. Aggregate volumes are not included. Shrink/swell of materials was not considered. Volumes of materials are shown on the drawings.

B. Fill Material: Shall be obtained from the common excavation. Material from excavation shall be used unless it contains ice or frozen earth, debris, high moisture content, or is specified in other sections to be replaced.

3.1 PREPARATION

A. Clearing and Grubbing: Areas within the proposed design area limits that contain vegetation shall be thoroughly cleared and stripped of vegetative matter, rocks, and other objectionable materials.

02315 - 2

B. Grades: When not otherwise indicated shall be level, or uniform slopes.

Abrupt change in slopes shall be rounded. Grades shall slope away from structures. At intersections to existing roads or parking, grade uniformly to blend into the adjacent existing grades and/or slopes.

C. Preparation for Grading of Parking Area: The existing parking area has loose aggregate throughout surface of the parking area. Prior to construction of the proposed parking area, mix the loose aggregate into the native subgrade material before placing the material as fill material. Continue mixing loose aggregate and native soils until the aggregate is fully incorporated with the native soils and the mixed material is approved by the Contracting Officer.

3.2 INSTALLATION

A. Fill Material: Shall be spread over the full width of the cross section to a maximum loose thickness of 8 inches and shall be compacted as specified in paragraphs 3.3 A below, before the next layer is spread. The in-place materials shall be free of lenses, pockets, streaks, or layers of materials differing substantially in texture or gradation from the surrounding materials.

B. Frozen Material: Shall not be placed, nor be placed upon a frozen surface.

3.3 FIELD QUALITY CONTROL

A. Compaction: Immediately following final spreading and smoothing, each layer shall be compacted full width. Compaction shall be accomplished by means of a vibratory roller compactor, minimum 48-inch drum width, and minimum 10,000 centrifugal force. A minimum of three passes shall be made over the entire width of the area, and until the material visible stops compacting. Add or remove water when necessary to obtain compaction.

A. Units: The work described in this section will be measured and paid for on a lump sum basis.

A. Payment: Prices and payment will be full compensation for the mixing of existing loose aggregate with subbase material from the parking area, and the reshaping of the parking area as shown on the drawings. Payment will be made under.

Pay Item Pay Unit

02315(1) Parking Lot Grading. . . . . . . . . . . . . . . . . .Lump Sum

EXCAVATION AND FILL FOR STRUCTURES

02322 - 1

SECTION 02322

EXCAVATION AND FILL FOR STRUCTURES

A. Section Includes: Excavating, backfilling, and compacting for structures.

A. Loading Ramp Fill Material: Fill Material for the loading ramp shall be Class 6 aggregate as described in Section 02730.

3.1 INSTALLATION

A. Loading Ramp: Place fill material in horizontal layers full area of the interior of the loading ramp to a maximum loose thickness of 8 inches.

Compact each lift as per 3.2 A. Compact the final course as per Section 02315,

3.3 A.

3.2 COMPACTION

A. General: Immediately following final spreading and smoothing, each lift shall be compacted full length and width. Compaction shall be accomplished with the use of a mechanical rammer compacter (Jumping Jack). Compact a minimum of three passes over the entire area of the lift, and/or until the material visible stops compacting. Add or remove water as needed to achieve optimum compaction.

Costs associated with this will have to be included within the bid price of other bid items.

be made.

AGGREGATE SURFACING

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SECTION 02730

A. Section Includes: This work shall consist of placing and compacting contractor furnished crushed aggregate surfacing material on a prepared road and parking area.

PART 2: MATERIALS

2.1 GENERAL REQUIREMENTS

A. Imported Crushed Aggregate: Aggregate shall consist of hard, durable articles or fragments of stone or gravel, crushed to the size and of the quality requirements for crushed aggregate materials normally used locally in the construction and maintenance of highways by Federal or State agencies and shall be according to AASHTO M 147. The aggregates comply with Colorado Department of Transportation (CDOT) Class 6.

B. General: A materials compliance submittal verifying the aggregate meets CDOT Class 6 shall be supplied prior to placing any material.

Aggregate shall be supplied from a commercially operated sand and gravel supplier and shall meet the Class 6 requirements from existing stockpiled material. Mixing of additional material(s) by the contractor to bring out of specified material into compliance shall not be allowed. Weighing of material shall be performed by an employee of the sand and gravel supply company. Weight tickets shall include the company supplier name, ticket number, project name, gross weight, tare weight, net weight, and time and date at time(s) of weighing for each truck load of material. Tare weight(s) of trucks shall be required on every load of aggregate supplied.

3.1 CONSTRUCTION REQUIREMENTS

A. Preparation: Prior to placing aggregate, the existing roadbed and parking area shall be bladed and shaped to reasonably close conformity with the line, grade, and cross sections for subgrade as shown on the plans or established by the Contracting Officer. At intersections, the roadbeds of side roads shall be treated similarly, as governed by the grading performed, to provide for proper joining of the proposed and existing riding surfaces.

B. Placing: The material shall be placed on the prepared surface in a single layer and spread and compacted to a 6” finished depth, except along the thickened road sections between STA 0+00 and STA 5+86 of the road as shown on the drawings.

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1. Placing shall be from vehicles equipped to distribute the material in a uniform layer or windrow. The layer or windrow shall be such size that when spread and compacted, the layer shall have the required thickness.

2. When hauling is done over previously placed material, hauling equipment shall be routed as uniformly as possible over the entire width of previously constructed layers.

C. Compacting: Immediately following final spreading and smoothing, each layer shall be compacted full width. Compaction shall be accomplished by means of a smooth drum vibratory roller compactor, minimum 48-inch drum width, and minimum 10,000 centrifugal force. A minimum of three passes shall be made over the entire width of the area, and until the material visible stops compacting. Apply water as necessary to obtain maximum compaction.

D. Thickness Requirements: The thickness of the completed course shall not vary more than 1/2-inch.

4.1 METHODS OF MEASUREMENT

A. Method: The quantity to be paid for will be the number of tons of material placed within the specified work area, compacted, and accepted in the completed course. Weighing of material shall be at Contractor's expense. A weight receipt for each load of material shall be furnished by the Contractor. Aggregate used as fill material within the Loading Ramp is not included in the total volume of Imported Aggregate Surfacing Material.

A. General: Prices and payment will be full compensation for the work described in this section. Payment will be made under:

PAYMENT WILL BE MADE UNDER:

02730(1) Imported Aggregate Surfacing . . . . . . . . TON

WOOD FENCES AND GATES

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SECTION 02825

1.1 SUMMARY:

A. Section Includes: Furnishing and installing new wood poles onto an existing wood posts.

1.2 SUBMITTALS:

A. General: Submittals shall be according to Section 01009 - General

Information and Requirements.

1.3 PROJECT/SITE CONDITIONS:

A. Requirements: Access roads shall not be constructed along fence lines.

2.1 CONTRACTOR-FURNISHED MATERIALS:

A. Wood Poles: Shall be round, and of the size(s) as shown on the drawings.

The following species are acceptable when preservative-treated for the full length: ponderosa pine, southern pine, lodgepole pine, western hemlock, western larch, Douglas-fir and tamarack. Poles shall be stripped of all bark and shall not taper greater than 1-inch per 10-foot span.

1. Estimated Pole Quantity: Contractor to verify lengths and quantity prior to ordering materials.

a. 16-foot x 5” diameter – 85 Each

b. 10-foot x 5” diameter – 3 each.

B. Hardware for Attaching Poles: Reuse the salvaged hardware, all thread, nuts, and washers, from the removal of the original poles, unless hardware is damaged or missing. Notify the Contracting Officers Representative of damaged or missing hardware prior to removal of hardware. If damaged or missing, replace with like items.

3.1 INSTALLATION:

A. Wood Poles: Attach to posts as shown on the drawings. Poles attached to the existing posts shall be cut to the length(s) as the existing applicable poles they are replacing, and/or as directed by the Contracting Officer.

Install poles with the “crown” or “bow” facing upward to prevent sagging.

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4.1 METHOD OF MEASUREMENT:

on a lump sum basis.

4.2 BASIS OF PAYMENT:

A. Payment: Prices and payment will be full compensation for the removal of the existing wood poles and the installation of the new poles, installed and accepted. Payment will be made under:

02825(1) Pole Replacement. . . . . . . . . . . . . . . . . . .Lump Sum

ROUGH CARPENTRY

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SECTION 06100

A. Section Includes: Furnishing and installing treated lumber to construct an OHV Loading Ramp as shown on the drawings.

2.1 LUMBER

A. Timbers: Shall be Douglas Fir-Larch, Hem Fir, Yellow Pine or as approved by the Contracting Officer. Timbers shall be #2 grade or better and at the length as shown on the drawings.

B. Treatment Type: Treated timbers shall be rated for “Ground Contact” and shall be pressure treated with Copper Azole (CA-C), Micronized Copper Azole (MCA-C) or similar approved treatment method as approved by the American Wood Protection Association (AWPA).

C. Preservative Treatment-Spot Applications: Commercial preservative wood treatment manufactured for wood and ground contact, similar in color to the timbers existing color.

2.2 INSTALLATION MATERIALS

A. Requirements: Furnish connection items required or shown on the drawings for joining framing members to each other.

B. Nails: 10” Galvanized Spikes.

C. Backfill: Crushed aggregate according to Section 02730.

3.1 GENERAL INSTALLATION

A. Construct Loading Ramps as shown on the drawings.

B. Apply a commercial preservative wood treatment on all cut ends of the timbers where the original treatment has been removed. Use a treatment that is manufactured for wood in contact with the ground.

Apply as instructed by the manufacturer.

B. Set to required levels and lines, with members plumb, true to line, cut, and fitted.

C. Backfill: As described in Section 02322, Excavation and Fill for Structures, Part 3: Execution.

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A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:

06100(1) Loading Ramp . . . . . . . . . . . . . . . . . . . . Each

MISCELLANEOUS SPECIALITIES

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SECTION 10990

A. Section Includes: Furnishing and installing existing, salvaged, steel parking delineators and contractor furnished concrete wheel stops.

A. Steel Parking Delineators: Existing Steel delineators are as shown on the drawings and as described in Section 02223.

B. Concrete Curb Stops: Shall be as shown on the drawings.

3.1 INSTALLATION

A. Steel Parking Delineators: Install the steel delineators at the locations as shown on the drawings and as staked in the field.

Distances between items shall be symmetrical. Elevations of delineators/stops shall be installed on a uniform grade throughout the parking area. Install new rebar anchor pins and weld to delineators as shown on the drawings.

B. Concrete Wheel Stops: Set at the locations as shown on the. Set level on the finished compacted aggregate surface. Concrete wheel stops in multiple car parking areas shall be set in a straight line along the entire length of the parking areas and on a uniform grade as shown on the drawing. Anchor stops as shown on the drawing.

A. Units: The work described will be measured and paid for on a lump sum basis for all Steel Parking Delineator and Concrete Wheel Stop installed and accepted.

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10990-2

4.2 BASIS OF PAYMENT:

A. Payment: Prices and payment will be full compensation for the work described in this section. Consideration for items of work not listed shall be included in the bid price of other items. Payment will be made under:

10990(1) Miscellaneous Specialties . . . . . . . . . . . LS