SOW - 1204T020Q0026.pdf

CASTLE ROCK PICNIC SHELTER

HEBO RANGER DISTRICT

SIUSLAW NATIONAL FOREST

STATEMENT OF WORK

1. PART 1 - GENERAL

1.01 SUMMARY

1. The work of this Contract includes all labor and materials required to provide and construct one new log picnic shelter at the Castle Rock group campground site located on the Siuslaw National Forest. This project will include relocating existing picnic tables and fire pits, site grading for the structure, concrete footings and floor and aggregate surfaced accessible paths, providing structural shop drawings for the manufactured picnic shelter structure, after review and acceptance delivering picnic shelter materials to the project site and construction of the picnic shelter and gravel accessible paths.

2. Project will be similar in style and construction to the Detroit Ranger Station picnic shelter shown, above, and detailed in #4 thru #11 attached

02/20/2020 Castle Rock Picnic Shelter Page 2 of 21 photos (included for reference only). Latitude: 45.179926° and Longitude: -123.817967°

3. Contractors are strongly encouraged to visit the project site prior to submitting their offer to verify the details of the scope of work, including the location of the project and proposed improvements, existing conditions, actual distances, feasibility of the work as described, etc.

Coordinate site visits with USFS Hebo Ranger District Contact: Luke Haworth: (503) 392-5141. Questions to be directed to Craig Evans:541- 750-7083.

1.02 PROJECT LOCATION

1. All field work will take place at Castle Rock Campground Site. From Hebo, Oregon travel south on Highway 22 for approximately 4.2 miles, the location is on the right.

2. Historical weather conditions from Hebo, Oregon are shown below:

1.03 CURRENT CONDITIONS

1. The following photos are included only to give a general idea of the existing conditions. Contractors are strongly encouraged to visit the project site prior to submitting their offer.

2. There are no utilities available at project site. However, there was previously underground electrical utilities that need to be located and protected for the work of this project.

3. Project site is next to a river. No sediment or erosion shall be allowed to enter the water as part of this project.

4. Soils are typical of area. Refer to USDA National Cooperative Soil Survey (NCSS) for soil survey information available online http://websoilsurvey.sc.egov.usda.gov . No specific site geotechnical reports available.

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5. Refer to International Building Code (IBC) for bearing capacity values of soils, available online https://codes.iccsafe.org/content/IBC2015/chapter- 18-soils-and-foundations?site_type=public.

Photo # 1: Driving off the Highway 22, entrance of project site.

Picnic shelter location

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Photo #2: Proposed location where the new picnic shelter will be constructed.

Photo #3: Existing tables located on west side of site.

REFERENCES

1. International Building Code (IBC) (2018).

2. Standard Specifications for the Construction of Roads and Bridges on Federal

Highway Projects (FP-03).

3. Attached Plan and Detail Sheets 1 through 5.

4. Detroit Ranger Station Picnic Shelter.

Existing picnic shelters and fence

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Photo #4: Detroit Picnic Shelter side view round hand railings. (for reference only).

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Photo #5: Detroit Picnic Shelter back view elevation (for reference only).

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Photo #6: Detroit Picnic Shelter of side back view along with log rails (for reference only).

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Photo #7: Detroit Picnic Shelter roof interior (for reference only).

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Photo #8: Detroit Picnic Shelter benches (for reference only).

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Photo # 9: Detroit Picnic Shelter columns connections and footing (for reference only).

Note: Top of column base shown is not correct and shall be 6” above finished perimeter grade.

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Photo #10: Detroit Picnic Shelter side rail (for reference only).

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Photo # 11: Detroit Picnic Shelter Peeled Wood untreated log surface, but it will be debarked treated to the new shelter (for reference only).

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1.04 SUBMITTALS

1. Work Schedule

a. Submit a proposed work schedule detailing the work in enough detail to show the approximate days that significant work items and limited/ no public access days (i.e. mobilization, footing excavation, site clearing, construction, etc.).

b. Total Contract Time for this project is 120 calendar days, but on-site work will be restricted to the dates from September 8, 2020 to November 6, 2020. The additional 60 (approx..) calendar days are allowed for the Contractor to complete, submit and obtain approval of Shop Drawings and other submittals, gather materials, and mobilize to the project site.

c. Contractors shall submit shop drawings in pdf format from picnic shelter manufacturer detailing the structure in enough detail to show plan, profile, layout dimensions, connections, footings, etc to verify compliance with SOW. (Note: A Structural Professional Engineer (PE) is required to design and stamp the shop drawings).

d. Campground will be closed for construction from September 8, 2020 through November 6, 2020.

2. Product Information

a. Submit manufacturer's product information and installation recommendations for the materials and equipment proposed for use in this Contract.

b. Submit to the Contracting Officer’s Representative (COR) two (2) sets of product data/catalog cut sheets in hard copy or submit a single electronic (pdf) copy of clean, easy to read product sheets. Product submittals shall include the material data for the product and the manufacturer's installation, operating, and maintenance instructions for all material and equipment that is proposed to be used for this work.

c. Allow seven (7) working days for Government review of submittals.

If resubmittals are necessary, allow seven (7) working days for review of the resubmittals, and so on.

d. Obtain written approval for the above submittals prior to construction, assembly, and delivery.

e. Furnish complete material submittals where possible. Partial submittals will be considered only to allow timely ordering of equipment.

f. Submittals shall have enough detail to determine if ratings, characteristics, and physical construction are equivalent to those specified.

g. Where manufacturer's catalog sheets are used, indicate the specific items to be supplied in ink either by arrow, encircled on the sheet, or the inapplicable portion blocked out. List manufacturer's name, 02/20/2020 Castle Rock Picnic Shelter Page 14 of 21 contract, section and drawing sheet reference number on each catalog sheet. Identify where equipment is to be used.

h. Submittals shall show any changes to be made resulting from proposed substitution of equipment or materials for those that are specified.

1.05 PROTECTION OF EXISTING FACILITIES

1. The Contractor shall be responsible for locating and protecting existing structures, trees, electrical posts, and utilities that are not designated for removal during construction operations. In the event of damage to existing structures, trees, or electrical post/utilities, stop all work associated with the damage, and immediately notify the COR. Repair the damage as directed by the COR at the Contractor’s expense.

2. Prior to any excavation, call “Dig Safely Oregon” 1-800-332-2344, or go online: https://digsafelyoregon.com/ to request a locate for the public utilities in the vicinity of this work. The Contractor shall also then hire a private locating service to locate utilities on the Forest Service property side of the meter. Locating and protecting of all utilities within the project site, including power lines not currently in use, is the responsibility of the contractor. Provide the ticket number for the locate to the Contracting Officer CO.

3. Contractor shall be given access to the project site for the portions of work identified on work schedule. Gates, doors and panels shall remain locked when contactor is not present.

4. Vehicles shall remain on roadways.

5. Migrations (Executive Order 13112) to reduce this risk includes:

a. Reduce ground disturbance to the minimum necessary to complete project.

b. All heavy equipment (excluding passenger vehicles) shall be clean and free of soil, vegetative matter, or other debris that may contain or hold weed seeds prior to entering National Forest System lands.

1.06 ACCESSIBILITY

1. Contractor shall ensure that the accessible route (paths) from the parking lot to the new picnic shelter are in compliance with Americans with Disabilities (ADA) and Architectural Barriers Act (ABA) requirements.

1.07 QUALITY ASSURANCE

1. Provide and install all materials in accordance with the product manufacturer’s recommendations; Federal, State, and local building/plumbing/electrical codes; and industry standards.

2. Coordinate inspections with CO. Contractor shall obtain approval of concrete footings, reinforcement, and forms prior to concrete pour.

1.08 SAFETY

1. All work shall be done in accordance with all Oregon OSHA requirements.

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1.09 UTILITIES

1. The Contractor will not have access to electricity or water on site.

1.10 WARRANTY

1. Contractor shall provide a minimum one-year warranty on all materials and labor for this project. Contractor shall be responsible for assembling all applicable warranty information and delivering to the CO prior to final payment.

2. PART 2 – PRODUCTS

2.01 GENERAL

1. Structure specified is available from:

Romtec Inc: 18240 N Bank Rd, Roseburg, OR 97470, Travis Olson, Telephone: 541-496-3541.

2. Alternate products and/or suppliers are acceptable if shown to be equivalent or superior to those specified.

3. Provide submittals as specified in Section 1.04.

4. If proposing to use alternate materials, the submittals shall clearly indicate any differences in the salient characteristics between the specified and proposed alternate product(s).

5. Contractor shall be responsible for assuring compatibility between products from different manufacturers.

6. Prior to fabrication, submit complete shop drawings for approval of the log structure bearing the seal of an active Professional Engineer that is registered in the State of Oregon.

7. Prior to fabrication, submit color samples of standing seam metal roofing and powder coated metal work.

8. Contractor shall deliver structure to project site.

9. Project Conditions:

a. Snow Load: 32.0 psf

b. Wind Load: 100mph

c. Soil Classification: D

2.02 SOIL CLASSIFICATION

1. Excavation shall be unclassified as to materials and shall include all materials that are encountered in the required excavation.

2.03 BACKFILL MATERIAL

1. Backfill material shall be sandy clay, sand, gravel, soft shale, or other suitable material free from brush, organic material, dirt clods, stone or boulders larger than six inches in greatest dimension or frozen material.

2. Backfill material shall be excavated material whenever it meets specification requirements. Whenever excavated material contains less than 10 percent of oversized material, the Contractor shall remove boulders larger than 6” from the excavated material. Whenever material meeting the specification requirements is not available from excavation, 02/20/2020 Castle Rock Picnic Shelter Page 16 of 21 the Contractor shall import material from a designated or approved commercial source.

3. Purchased material (if needed).

a) Material free from frozen or organic material, and rocks larger than 2 inches.

2.04 AGGREGATE BASE / FILL

1. Crushed Aggregate shall " 0 for the floor foundation, as illustrated on plans. It shall comply with the requirements from the FP-14 Standard Specifications for material and compaction process.

2.05 LOG STRUCTURE

1. Logs

a. Species: Douglas Fir

b. Grade: Logs shall be graded Rustic, as standardized by Timber

Products Inspection, Inc., Log Grading Program Design Values, or approved equivalent product.

2. Columns: Shall be no less than 16” in diameter, and no more than 24” in diameter.

3. Design the railings, rafters, ridge pole, etc. and size all materials appropriately to provide adequate strength and robust appearance for the structure.

4. Roof Decking: 2X6 or 2X8 tongue and groove.

a) Grade: Dimension Lumber shall meet or exceed #2 Douglas Fir as set forth by the most current standards of the West Coast Lumber Inspections Bureau (WCLIB) or the Western Wood Products Association (WWPA).

5. Wood Preservative: Klear Gard 25 with Tru-Core Technology, or approved equivalent product.

6. Roofing:

1. Interlock ® Lifetime Roofing Systems standing seam metal roofing or approved equal, resistant to coastal weather and corrosion.

2. Provide minimum 30lbs felt, or approved equivalent moisture barrier to fully cover the roof when installed as per manufacturer’s recommendations.

7. Connections: Design and type shall be left to the discretion of the manufacturer. All metal plates, beams, connectors, etc., work shall be black powder coated. All fasteners shall be galvanized steel or stainless steel.

2.06 CONCRETE FOOTINGS

1. Footings: All footings shall be designed in accordance with Chapter 18 of the 2018 IBC.

2. Design footings for structure to include concrete compressive strength and placement of steel reinforcement.

02/20/2020 Castle Rock Picnic Shelter Page 17 of 21 a). Include concrete footings in the shop drawings.

3. Submit mix design used, along with trip tickets, to CO.

2.07 CONCRETE FLOOR

a.) The footings shall be poured monolithically.

b.) Shall have a minimum compressive strength of 4,000 psi in 28 days.

c.) Submit mix design used, along with trip tickets, to CO.

2.08 PICNIC TABLES

1. Picnic tables within the picnic shelter shall be provided and installed by

USFS. (NOT PART OF THIS PROJECT.)

PART 3 – EXECUTION

3.01 GENERAL

1. Contractor shall provide and install all products, materials, and appurtenances with labor needed to complete the picnic structure and work described in accordance with this SOW, Technical Specifications (As Applicable) and/or the manufacturer’s recommendations; Federal, State, and local building codes; and industry standards. In the event of discrepancies between these requirements, the most stringent requirements shall apply, unless otherwise approved in writing by the

CO.

2. Aggregate base subgrade shall be approved by CO.

3. Submit a standard batch mix design for the concrete mix, and trip tickets from plant showing design compressive strength of at least 4,000 psi.

4. Wet weather construction requires erosion and sediment control.

Contractor shall comply with Oregon DEQ 1200-C permit requirements if applicable.

3.02 MOBILIZATION

1. This work shall consist of preparatory work and operations necessary for the movement of personnel, equipment, supplies, labor, and incidentals to the project site, and for bonding costs and all other work and operations that must be performed or that cause costs to be incurred prior to beginning work on the various items on the project site.

3.03 DEMOLITION

1. Relocate all onsite existing picnic tables and fire pit, directed by CO.

3.04 SITE PREPARATION

1. The Contractor shall verify the existing site conditions, including indicated dimensions, elevations, prior to ordering materials or beginning construction.

2. Coordinate sizes and locations of all work to ensure that the finished product looks and functions properly.

3. Locate and protect all underground utilities that are not designated to be replaced.

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4. Contractor shall provide and maintain construction staking for project.

Stake and mark structure corners and clearing limits for CO approval prior to construction.

5. Provide, erect, and maintain orange safety fencing and other security measures, including traffic controls, as necessary to minimize potential safety hazards created by construction activities. The Contractor shall be responsible for maintaining safety measures at all times during the contract.

3.05 SAFETY AND PROTECTION

1. The Contractor shall meet Oregon OSHA safety rules and regulations.

2. All existing improvements shall be fully protected from damage.

3. All excavations left open overnight shall be fenced with wire mesh or plastic mesh fence secured to steel posts all around the excavation. To prevent unauthorized or unintentional access to the project site.

a.) The bottom of the fence shall follow the contour of the ground.

b.) Maximum spacing of the steel posts shall be 10 feet.

c.) Minimum height of the fence shall be 47 inches.

3.06 EXCAVATION AND BACKFILL

1. Topsoil.

a.) All topsoil, it shall be removed from the area to be excavated.

Topsoil shall be kept separate from excavated material. Topsoil shall be spread on those area that were or have been disturbed during construction activities. Excess topsoil shall be spread and disposed onsite located by CO.

2. Excavation.

a.) Excavation shall not begin until all clearing and grubbing work is completed except for final debris disposal. Operations shall be in compliance with the requirements of OR-OSHA.

3. Wet Excavation.

a.) If water is encountered during trench excavation, provide adequate pumping equipment and piping to keep trench free from water and dispose of the water without damage to adjacent property. Separate payment will not be made for pumping of water from trenches or for excavation of material rendered unsuitable as a result of water encountered.

4. Footing Excavation.

a.) Excavate areas for footings as designed and shown on the Shop

Drawings. Remove all loose materials from excavation. Bottom of footings shall be undisturbed approval soil. Obtain inspection and approval from CO to confirm suitable material surrounding footing.

b.) Provide compacted Crushed Aggregate base where required by plans or manufacturer or in over-excavated areas.

5. Unsuitable Material.

02/20/2020 Castle Rock Picnic Shelter Page 19 of 21 a.) Where unsuitable material is encountered in the trench bottom, as determined by the CO, over-excavate the trench below grade to the depth specified by the CO at no additional cost to Government.

6. Excavated Material.

a.) Pile excavated material at the side the trench where it will give the best protection for the work. Leave adequate space between the toe of the spoil pile and edge of trench to prevent material from falling into the trench.

7. Backfill.

a.) Before compacting backfill other than rock or sand, prepare material to a water content that will permit proper compaction by either aerating the material if it is too wet, or spraying the material with water if it’s too dry. Thoroughly mix each lift before compaction to assure uniform distribution of water content.

b.) Compact each lift with a minimum of 3 passes of a mechanical vibrating plate compactor over the entire layer.

8. Select Material.

a.) Place the material in layers, that when compacted, do not exceed 6 inches in thickness. For the material fill the voids around the rock in each layer with earth or other fine material. Compact each layer, full width until there is no visible evidence of further consolidation.

3.07 CONSTRUCTION.

1. General.

a.) Grade around building providing uniform slope into existing contours. Slope ground away from building at a 10% slope – a vertical change of 6 inches over a horizontal distance of five feet – to facilitate drainage away from the foundation.

b.) Hand rake areas within the excavated areas. Remove all roots, brush, weeds and stones larger than 2 inches from the finish grade surface.

2. General Excess Material.

a.) Remove and legally deposit off the project site all excess material that is not required for finish grading.

3. Concrete Footings.

a.) Provide and install concrete reinforcement and anchors as specified by the building designer / manufacturer and shown in the Shop Drawings. Top of footings shall be 6 inches above surrounding soil & grade.

b.) Provide and install concrete forms for footings as specified by the building designer / manufacturer and shown in the Shop Drawings.

Obtain approval from CO of reinforcement and forms prior to pouring concrete.

4. Log Structure.

a.) Assemble log structure in accordance with approved Shop Drawings and manufacturer’s specifications and requirements.

02/20/2020 Castle Rock Picnic Shelter Page 20 of 21 b.) Apply a minimum of two coats of Klear Gard 25 wood preservative to all visible wood on the picnic shelter, according to the manufacturer’s recommendations.

5. Concrete Floor.

a). Form 6-inch-thick concrete slab floor over 3-inch minimum depth of compacted ¾”-minus aggregate base.

b). Construct “TOOLED” contraction joints in a grid – not cut in after the concrete sets – every six feet (maximum) in both directions.

c). Finish concrete with a brushed finish, for appearance and traction.

3.08 ACCESSIBLE PATHS.

a.) Excavate, then place and compact aggregate over geotextile fabric to construct the ABA-compliant paths, as shown on Sheet 5 of the Drawings.

b.) Place two layers of aggregate (1-1/2”-minus base topped with ¼”-minus surface rock), and form into a crown. between 1%- 2% sloping away from the center of the pathway.

c.) Finished surface slope to drain 4H:1, typical.

d.) Longitudinal slope of 5% max and cross slope 2% max e.) 4” compacted subbase must be approved before installing 3” compacted lift of ¼”-minus lift of compacted surface rock.

3.09 FINISH GRADING AND CLEANUP.

1. Regrade and restore all areas of excavations and other ground disturbance to approximately match conditions in the immediate vicinity, except as otherwise specified to promote drainage away from improvements.

2. Contractor shall import approximately 20 cubic yards of topsoil, suitable for planting grass, and spread evenly across the disturbed areas of the project site. Provide 4-inches (minimum) depth of topsoil. The Forest Service will be responsible for planting new grass following the work of this project.

3. Dispose of all construction debris legally off Forest Service land.

4. Leave the work site in a safe, clean condition at the end of each workday.

3.10 CONTRACT CLOSEOUT.

1. Prior to final payment, the Contractor shall notify CO in writing that the new picnic shelter is complete and is ready for use by the public.

2. Prior to final payment, the Contractor shall submit to the CO maintenance manuals, warranties, and as-built shop drawings.

PART 4 – MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT.

1. The method of measurement shall be the Lump Sum Quantity (LSQ) for Pay Items 1-4, and Design Quantity (DQ) for Items 5 and 6. Furnish all materials, labor, and miscellaneous items needed to produce a complete and accepted structure according to the SOW, Drawings, etc.

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4.02 BASIS OF PAYMENT.

1. Payment will be made under:

PAY ITEM DESCRIPTION PAY UNIT

1. Manufacture and delivery of

Log Structure materials to project site Lump Sum

2. Mobilization Lump Sum

3. Site Preparation Lump Sum

4. Construction of structure Lump Sum

5. Concrete Floor Slab SF

6. Gravel Accessible paths LF

END OF STATEMENT OF WORK