A06_REVISED_SPECS_ZAPATA_FALLS_CAMPGROUND.pdf
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- 140L1725R0005
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These are technical specifications for the Zapata Falls Day Use to Campground Conversion - Phase 1 - 2025 project. The project involves converting existing day use picnic sites at Zapata Falls Campground in Alamosa County, Colorado into full campgrounds with mostly back-in parking spaces. Specific work includes excavation and placement of earthen materials, rock retention walls, demolition of existing day use areas, installation of precast concrete ADA-compliant picnic tables and fire rings, installation of bear-proof trash cans, scarifying disturbed areas, and importing and placing aggregate surfacing material.
The technical specifications detail comprehensive requirements for each phase of the project, including preparation, materials, installation, and quality control. Key specifications include using CDOT Class 6 aggregate, compacting surfaces with vibratory rollers, installing government-furnished fire rings and trash cans, and ensuring ADA compliance. The project is scheduled for August 1, 2025 to December 15, 2025, with work to be performed Monday through Friday during daylight hours. The site will remain open to visitors, with work areas requiring safety roping and signage. Payment will be on a lump sum basis, with costs to be included in various bid line items.
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GENERAL INFORMATION AND REQUIREMENTS
Zapata Falls Day Use to Campground Conversion – Phase 1 – 2025 01009 - 1
SECTION 01009
PART 1: GENERAL
1.1 SUMMARY
A. Description of Work: Furnishing labor, equipment, supplies, and materials, to convert existing Day Use Picnic Sites at Zapata Falls Campground into full campgrounds with mostly back in parking spaces. Work includes excavation and placement of earthen materials, placement of rock retention walls, demolition of existing day use areas, installation of tables and fire rings, installation of bear-proof trash cans, scarifying existing disturbed areas, and importing and placing aggregate surfacing material.
B. Location: Work under this Contract is performed at Zapata Falls Recreation Site, located in Alamosa County, Colorado. The project location is at latitude:
37°37'17.85"N, longitude: 105°33'34.48"W and is approximately 29 miles North and West of Alamosa along CO-150 N. The work locations are shown on the drawings and attached maps.
C. Hours of Operation: Monday – Friday, during daylight hours. Recreation site will still be open to visitors and must be roped off and signed for safety. Day use loop road can be closed by the contractor provided the public still has access to the main parking and toilet and trailhead facilities.
D. Period of Performance: August 1, 2025 - December 15, 2025.
E. Pre-bid tour to take place at the site on June 17th, 2025. Please note, questions arose at the prebid tour where clarifications were needed in the specs. All updates after 6/17/25 are annoted in the specs by underlining.
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
01009 - 2 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 material compliance, manufacturers' literature, samples, and maintenance manuals.
B. Requirements: Refer to specifications for submittals required. Allow at least 5 working days for review. Submittals shall be delivered electronically in PDF format to mvasquezogle@blm.gov.
C. Identification of Submittals: Completely identify each submittal by showing at least the following information:
1. Name and address of submitter, plus name and telephone number of the individual to contact for further information.
2. Name of project as it appears in these specifications.
3. Contract number, drawing number, and specification section number to which the submittal applies.
4. Whether this is an original submittal or resubmittal.
5. Each item shall clearly note the manufacturer's name and address, trade name, product, lot, style, color, catalog designation or model number, and locations of use.
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, 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.
D. Equipment: Prior to ordering equipment, verify dimensions and functions of equipment proposed for use including the electrical service requirements.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Delivery: Protect products incorporated into the work from damage while in transit to the site. Products must be delivered in original unopened containers with manufacturer's name, brand designation, and contents legibly indicated.
B. Storage: Provide temporary storage facilities for products. Storage shall comply with the manufacturer's instructions. The storage area shall permit access for inspection and handling.
C. Handling: Load and unload products protecting them from damage.
01009 - 3
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. 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.
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 CO83-SF. The construction drawing was created in AutoCAD Civil 3D, version 2022.
01009 - 4
The contractor shall be responsible for developing the construction stakeout plan for construction staking/marking for the installation and construction of all items listed in the specifications and drawings. The stakeout plan shall show the locations, and elevations if applicable, of the road and parking areas, edges of aggregate surfacing, location and elevations of precast concrete tables, fire rings, and boulders. The contractor shall be given an electronic copy (CAD drawing) of the construction drawing for the development of the stakeout plan.
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 SALVAGABLE ITEMS
A. Requirements: Existing picnic tables shall be salvaged for use at another site. The
BLM will provide a truck and trailer to be loaded by the contractor with old picnic tables. Any concrete anchors will be removed from tables and disposed of.
3.4 DISPOSAL OF DEBRIS
A. Requirements: All other items of materials or debris, if applicable, shall become the property of the Contractor. Dispose of materials in a legal manner and all payment of fees required for disposal is the Contractor's responsibility.
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
GOVERNMENT-FURNISHED PROPERTY
01019 - 1
SECTION 01019
GOVERNMENT-FURNISHED PROPERTY
1.1 SUMMARY:
A. Section Includes: Fire Rings and Bear Proof Trash Cans are to be furnished by the
Government.
1.2 DELIVERY, STORAGE, AND HANDLING:
A. Location: The ADA Accessible Fire Rings and Bear Proof Trash Cans are located at the
Bureau of Land Management, San Luis Valley Field Office 1313 US-160, Monte Vista, CO
81144.
B. Time: Property will be available Monday through Friday,8:00 A.M. – 4:30 P.M. except on holidays. Notify the Contracting Officers Representative a minimum of 72 hours of the estimated day and time(s) for removal.
C. Loading, Offloading and Transporting Property: The Contractor shall be responsible for providing the necessary material-handling equipment to load, offload, and transport the building, vault, and all accessories.
2.1 MATERIALS:
A. Materials to be Furnished by the Government:
a. ADA Accessible Fire Rings – qty 14.
b. Bear Proof Trash Cans – qty 2.
3.1 HANDLING OF MATERIALS:
A. Handling Instructions: Load, offload, and install according to manufacturer’s instructions.
4.1 METHOD OF MEASUREMENT:
4.2 BASIS OF PAYMENT:
A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other items of the Contract.
MOBILIZATION
01505-1
SECTION 01505
MOBILIZATION
A. Section Includes: Preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and incidentals to the project site; and for other work and operations which must be performed or costs incurred prior to beginning work on the various items on the project site.
4.1 METHOD OF MEASUREMENT:
A. Units: Progress payments will be made as follows:
1. 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 total Contract amount, whichever is lesser, will be paid. Upon completion of work for the project, when all equipment and materials have been removed from the work site and the site has been approved by the Contracting Officer, the remaining Contract amount for mobilization/demobilization may be invoiced.
2. The total sum of all payments shall not exceed the original Contract a mount bid for mobilization, regardless of the fact that the
Contractor may have shut down the work on the project or moved equipment away from the project and then back again.
A. Payment: Payment will be made under:
Pay Item Pay Unit
01505(1) Mobilization
Lump Sum
SITE DEMOLITION
02223- 1
SECTION 02223
A. Section Includes: The removal, disposal, and salvage of identified items. Work includes removal of BBQ grills, fire rings, culverts, picnic tables, tree debris and other miscellaneous items as shown on the drawings, and backfilling cavities left after removal is complete. Work also includes salvaging existing picnic tables.
(No products are required in this section.)
3.1 PREPARATION
A. Materials designated for salvage shall be placed onsite at a location designated by the Contracting Officer until removed from the site by the Government. The Contractor shall supply equipment and labor to load the salvaged items onto a Government trailer.
The Government shall be responsible for securing the items once loaded. The picnic tables are the only item to be salvaged by the government.
3.2 DEMOLITION
A. Miscellaneous Removal of Items: Remove and salvage existing items within the campground that are not listed above. Do not remove signs except as necessary to prevent damage. Reinstall signs upon completion of the project. Remove and dispose of concrete footings for items if applicable. Unused existing site trails will be demolished. Scrape existing gravel to eliminate appearance of a trail, then scarify (updated 6-18-25).
3.3 SALVAGE
A. Placement After Removal: Store items removed as salvage at a location onsite as determined by the Contracting Officer. Place items in a manner that will not cause damage and will allow access for future loading and removal from the worksite by the Government.
3.4 DISPOSAL OF DEBRIS
A. Requirements: Items or debris not designated as salvage for the Government shall become the property of the Contractor. Remove such materials from the site and dispose of in a legal manner.
A. Units: Demolition will be measured and paid for on a lump sum basis.
02223- 2
A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:
02223(1) Day Use Demolition . . . . . . . . . . . . . . . Lump Sum
CLEARING AND GRUBBING
Zapata Falls Day Use to Campground Conversion – Phase 1 - 2025
02231 - 1
SECTION 02231
A. Section Includes: Clearing of vegetation, and grubbing of stumps, roots, and debris; and other incidental work related to preparing the site for later use.
Cutting of trees shall be minimized to the extent possible to preserve the character of the campground area and maximize privacy between sites.
1.2 DEFINITIONS
A. Clearing: Clearing shall consist of the felling, trimming, and cutting of obstructions such as trees into sections and the satisfactory disposal of the trees and other surface vegetation designated for removal.
B. Grubbing: Grubbing shall consist of the removal and disposal of below-surface stumps, roots larger than 3-inches in diameter.
1.3 PROJECT/SITE CONDITIONS
A. Burning of Slash: Shall not be permitted.
B. Landscape Preservation: Protect vegetation outside the work limits from injury.
Existing trees and shrubs shall not be disturbed or damaged.
3.1 CLEARING
A. Requirements: Clear trees, stumps, roots, brush, and other vegetation in areas to be graded or fall within the footprint of the proposed work. Limbs and branches that interfere with the proposed work shall be cut and removed as needed to prevent breaking of the limbs during construction.
3.2 SALVAGE
A. Trees and Limbs: 6-inch diameter and larger shall be cut into 2-3 foot lengths and stockpiled for firewood for campers at a location(s) designated by the Contracting
Officer. Trees larger in diameter than 6” in diameter shall be removed to a depth of not less than 18 inches below the original ground surface.
B. Trees and Limbs: Smaller than 6-inches in diameter shall be removed from the site and disposed of in a legal manner. Scatter shall not be allowed due to the risk of fire hazard in the area.
Zapata Falls Day Use to Campground Conversion – Phase 1 - 2025
02231 - 2
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.
EXCAVATION AND FILL
02315 - 1
SECTION 02315
A. Section Includes: Excavation and placement materials as shown on the drawings.
A. Unclassified Excavation: Consists of the material excavation and placement regardless of its nature.
C. 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 195 net horsepower or less shall be considered common excavation.
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.
1.3 PROJECT/SITE CONDITIONS
A. Excess Material: Excess material, if applicable, shall distributed within the campsite areas and used in the leveling of the campsite items and/or at locations within the worksite as directed by the COR. Excess materials shall be spread evenly and graded to match adjacent existing grades as directed by the COR.
2.1 MATERIALS
A. General: See definitions.
B. Fill Material: 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.
Materials removed in clearing and grubbing shall not be used.
A. Clearing and Grubbing: The area to be excavated and the surface area to be covered by fill material, shall be thoroughly cleared and stripped of vegetative matter, brush, trees, stumps, roots, loose rocks, and other objectionable materials. Grubbing shall consist of the removal of below-surface stumps, roots larger than 4” in diameter. All materials collected from the clearing and grubbing shall be disposed of as described in 02231-1 Clearing and Grubbing (updated 6/18/25).
3.2 INSTALLATION
A. Excavation: Excavate on a straight grade as shown on the drawings unless staked otherwise.
02315 - 2
B. Subgrade Compaction: In areas where fill material will be placed, the subgrade shall be scarified and then compacted as specified in paragraphs 3.3A below, prior to placement of fill material.
C. Fill Material: Shall be spread over the full width of the excavation to a maximum loose thickness of 6-8 inches, and shall be compacted as specified in paragraphs 3.3A 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.
D. Frozen Material: Shall not be placed, nor be placed upon a frozen surface.
3.3 FIELD QUALITY CONTROL
A. Compaction-Fill Material: 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, or with the use of a mechanical rammer compacter (Jumping Jack) if work limits prevent the larger compactor from achieving the desired compaction. 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: Payment will be made under:
02315(1) Earthworks . . . . . . . . . . . . . . . . . . Lump Sum
EXCAVATION AND FILL FOR STRUCTURES
02322 - 1
SECTION 02322
A. Section Includes: Excavating, backfilling, and compacting for structures.
A. General: As per Section 02315 Excavation and Fill, 1.2 Definitions.
1.3 QUALITY ASSURANCE
A. Failure Criteria: Not limited to the following:
1. Settlement of backfill which would allow moisture to pond against the foundation or within a horizontal distance from the foundation equal to its design depth.
A. Fill Material: Material from excavations/borrow material shall be used unless it contains ice or frozen earth, debris, earth with high moisture content, or is specified in other sections to be replaced.
B. Bedding:
1. Concrete Fire Rings Anchors: Shall be 6 inches of class 6 aggregate compacted in accordance with 3.2 B or according to manufacturer’s instructions.
2. Concrete Slabs: Compacted Class 6 Aggregate as per Section 02315 3.2 A.
3. Culverts: Shal be prepared and compacted native soils. Remove all debrief or rocks larger than 3 inches in diameter which would be in contact with the culvert.
Material and compaction shall adhere to Common Excavation as described in Section
02640.
C. Backfill
1. Fire Rings: Shall be fill material defined in Common Excavation Section 02315.
2. Concrete Slabs: Shall be fill material defined in Common Excavation Section 02315.
3. Culverts: Shall be fill material defined in Common Excavation Section 02315.
3.1 INSTALLATION
A. Bedding
1. Fire Rings: Ensure that the fire rings are anchored and leveled.
2. Concrete Flatwork: Crushed aggregate as shown on the drawings.
3. Corrugated Metal Pipe(CMP): Prepare the subgrade under the CMP for the entire length and width of the CMP. Provide uniform slope with continuous support for each section of CMP. Compact the approved subgrade under the pipe prior to installing the pipe taking care as to keep the grade uniform. Rock greater than
2 inch diameter shall not be permitted in bedding material.
02322 - 2
B. Backfilling
1. General: Items shall be placed on approved bedding material prior to backfilling.
Place fill material in horizontal layers not more than 8-inches thick loose.
Place in a manner as to prevent wedging action or eccentric loading upon or against the structures. Rocks over 3 inches maximum diameter shall not be placed within
8-inches of foundations.
2. CMP: Culverts shall be backfilled to a minimum recommended cover of 12 inches or one-half the diameter, whichever is greater. Compliance with manufacturer’s recommendations for cover over various culvert materials is necessary.
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.
B. Concrete Flatwork: Foundation of fire rings. Compaction to subgrade/bedding shall be accomplished as per Section 02315, 3.3, C, A. Compaction and/or with the use of a mechanical vibratory place compactor with a minimum centrifugal force of 2250 pounds.
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.
C. Corrugated Metal Pipe: As per Section 02640.
A. Units: The work described in this section will not be measured for payment. Costs associated with this will have to be included within the bid price of other bid items.
A. Payment: No direct payment for the work described under this section will be made.
CULVERTS
02640 - 1
SECTION 02640
A. Section Includes: Installing Contractor-furnished culverts.
1.2 SUBMITTALS
A. General: Submittals shall be according to Section 01009 - General Information and Requirements.
A. Failure Criteria: Not limited to the following:
1. Breaks in outer coating or spelter.
2. Deformed, broken, or chipped culvert pipe.
A. Corrugated Steel Pipe: Manufactured in accordance with ASTM A 760, minimum 16 GA thickness. Minimum width of coupling bands shall be 12 inches. Flared end sections shall be at minimum of the same gauge as the conduit to which they are joined.
B. Connecting Bands/Hardware: Nuts and Bolts: The type, size, and sheet thickness of band shall be as recommended by the pipe manufacturer for the size(s) of pipe to be installed.
C. Standard Galvanized Steel End Sections: use ESCSP-8 flared steel end section or similar appr.
D. Bedding: As per Section 02322
A. Excavation: Section 02322 - Excavation and Fill for Structures.
B. Remove and dispose of existing culverts.
3.2 INSTALLATION
A. General: Install culverts at the locations and at the approximate elevations as shown on the drawings or as determined in the field. Culverts shall remain in contact with the bedding material throughout the installation. Install culverts in a straight line when two or more sections are joined. See drawings for additional installation instructions.
02640 - 2
B. Approach Conduit: Section 02322 - Excavation and Fill for Structures.
C. Laying Conduit: Pipe shall be in contact with the bedding for the required depth throughout its full length.
D. Joining Conduits: Use the manufacturer's recommended method of joining conduit sections, ensuring that the ends are fully entered, and inner surfaces are flush and even. Pipe sections shall be straight horizontally and vertically after joining. No backfill shall be placed prior to approval of the Contracting Officer.
E. End Sections: Following manufacturer’s instructions use a flat strap connector to secure the end section.
F. Bedding/Backfill: Section 02322 - Excavation and Fill for Structures.
A. Units: The two culverts will be measured and paid for linear feet of culvert installed, and accepted, including but not limited to the bedding material, ditch work, and compaction.
A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:
02640(1) 24” Corrugated Metal Pipe w/end sections . . . . . LF
AGGREGATE SURFACING
02730 - 1
SECTION 02730
A. Section Includes: This work shall consist of furnishing, placing and compacting a crushed aggregate surfacing material on a prepared surface.
PART 2: MATERIALS
2.1 GENERAL REQUIREMENTS
A. 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.
3.1 CONSTRUCTION REQUIREMENTS
A. Preparation: Shall be completed as per Section 02315.
B. Placing: The material shall be placed on the prepared surface in a single layer and spread and compacted to a 6” finished depth.
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 a lump sum for the material placed within the specified work area, compacted and accepted in the completed course.
Aggregate used for bedding material will not be included in weight total for the
02730 - 2 aggregate surfacing. Costs associated with bedding material will be included in the bid prices of other bid items.
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) Aggregate Hauling . . . . . . . . . . . . . . . LS
MINOR CONCRETE
03306 - 1
SECTION 03306
A. Section Includes: Furnishing and placing cast-in-place concrete, including formwork and reinforcement.
1.2 SUBMITTALS
A. General: Submittals shall be according to Section 01009 - General Information and
Requirements.
A. General: Forming, installing steel reinforcement as specified, placing, and concrete anchors for the fire rings.
B. Causes for Rejection: Concrete may be rejected for, but not limited to, the following reasons:
1. Freezing within the first 3 days of placement
2. Excessive or inadequate slump
3. Segregation of aggregate or over-vibration resulting in excessive water in the surface of the concrete
4. Honeycomb over 25% of the surface
5. Voids larger than 2 inches across
6. Exposed reinforcing steel
7. Misalignment of concrete
8. Substandard aggregate in the mix
9. Failure to apply cure/sealer within 24 hours after completion of pour.
A. Sack Concrete Mix: Shall be designed for a 28-day compressive strength of 4000 psi, and a slump of 4 inches as determined by ASTM C 143.
B. Water: Potable water shall be used for mixing concrete.
A. Subbase Preparation: Subbase and earth walls to be in contact with concrete shall be undisturbed or compacted according to Section 02322 - Excavation and Fill for
Structures.
B. Form Construction: ACI 347R. Construct forms to the sizes, shapes, lines, and dimensions shown on the drawings. The Contractor shall provide construction aids and imbedded items such as shown on the drawings. Fabricate forms for easy removal without
03306 - 2 hammering or prying against the concrete surfaces. Form oil may be applied to facilitate removal of forms. Forms and subbase shall be wet before placement of concrete.
C. Form Inspection: Notify the Contracting Officer 48 hours in advance of concrete placement to allow for inspection of forming and placement of items to be imbedded in the concrete. Excess water shall be removed from the forms before concrete placement.
3.2 CONCRETE PLACEMENT
A. Placement and Consolidation: Concrete shall be deposited as nearly as practical to its final position to avoid flow causing segregation of the aggregate. Concrete shall not be dropped more than 5 feet vertically without the use of a tremie or similar device.
B. Concrete Placement under Adverse Conditions: During hot weather, refer to ACI 305R.
During cold weather, refer to ACI 306R. Materials required for protection shall be on the jobsite before concrete work is started. Do not place concrete on a frozen subgrade or against surfaces having deposits of frost, snow, or ice.
3.3 PROTECTION
A. Requirements: During the curing period, protect concrete from load stresses, shock loads, or vibration. Do not allow vehicles or equipment onto concrete for a minimum of 7 days after completion of the pour.
A. Units: The work described in this section will not be paid for separately but is a part of the payment for camp sites. See drawings for dimensions and surface area of concrete to be placed within fire rings.
A. 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.
MISCELLANEOUS SPECIALITIES
10990-1
SECTION 10990
A. Section Includes: Furnishing and installing, precast concrete picnic tables, fire rings, and scarifying existing disturbed areas.
A. Precast Concrete Tables: Tables shall be the ADA compliant Model 100S, as manufactured by Outdoor Creations, Inc. P.O. Box 50 Round Mountain, CA 96084, (530)
337-6774. Tables and benches shall be one continuous pour with BLM Stencil.
Color of tables shall be “#641 Pebble”.
B. Fire Rings (Government Furnished): ADA compliant, 31 5/8” diameter x 17 3/8” height, with draft holes. 3/16” steel wall thickness and a formed 1” steel flange, cooking grate made of ½” diameter A36 steel bars, 270 sq. in. of cooking area, with pin anchors installed in concrete option for installation, black powder coat finish. Product #FS-30 Series as manufactured by Pilot Rock, RJ Thomas Mfg. Co., 800-762-5002, https://www.pilotrock.com/.
C. Scarify Areas: Scarify areas shown on the drawing as stated in Section 02923.
Once areas are scarified distribute vegetation collected from clearing and grubbing and distribute as per section 02315, 3.1, A Clearing and Grubbing.
3.1 INSTALLATION
A. Precast Concrete Tables: Install at locations as shown on the drawings and as designated by the COR. Set tables using equipment recommended by the table manufacturer. Set tables level and as instructed by the manufacturer.
B. Fire Rings (ADA): Install fire rings flush on the compacted level finished ground or aggregate surface. Ensure the pin anchors securely in the ground. Install as instructed by the manufacturer. After installation, fill fire ring with aggregate
(road base or equivalent) from finished ground to and level with the bottom of the draft(weep) holes.
C. Miscellaneous Sitework: Sitework includes the final cleanup of construction, included but not limited to grading of materials adjacent to structures, parking stops, boulders, and leveling of minor berms from constructions operations.
Removing and disposing of all debris created during the construction of the project.
A. Units: Payment will be measured and paid for by each picnic table and fire ring.
https://www.pilotrock.com/
10990-2
The scarifying and miscellaneous sitework shall not be measured for payment, the
Contractor shall include expenses associated with this work within other line items of the contract.
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) Picnic Table . . . . . . . . . . . . . . . . . . Each
10990(2) Fire Ring . . . . . . . . . . . . . . . . . . . Each
| 01009 General Requirements - updated 6-23-25 |
| 01019 Govt Furnished Material.doc |
| 01505 Mobilization |
| 02223 Day Use Demolition - updated 6-18-25 |
| 02231 Clearing and Grubbing |
| 02315 Ex & Fill - updated 6-18-25 |
| 02322 Ex&Fill Structures |
| 02640 Culverts- updated 6-23-25 |
| 02730 Agg. Surfacing |
| 03306 Concrete.doc |
| 10990 MiscSpec |
File details come from the government source that posted it. Updated .