Attachment 3 Specifications - 1240LU23R0021 Forest-wide toilet rehabilitation.docx

GENERAL REQUIREMENTS

01010 – PROJECT LOCATION

A. The project work will be located at campgrounds and trailheads across the Nez Perce – Clearwater National Forest. The following sites will be included in the work:

Salmon River Ranger District Florence Cemetery (1) – Located approximately 42 miles south of Grangeville on the FSR 221.

Blackerby (1) Double – Located approximately 8 miles south-east of Grangeville on the Hwy 14 Corral Creek CG (1) – Located approximately 27 miles south of Grangeville on the FSR 309 Spring Bar (3) – Located approximately 56 miles south of Grangeville on road 1614 (starts at Riggins and heads east) Slate Lake TH (1) – Located approximately 36 miles south of Grangeville on the FSR 444

Red River Ranger District Five Mile Pond (1) –This area is located approximately 49 miles southeast of Grangeville, Idaho on Crooked River Road 233.

Lochsa - Powell Ranger District Johnson Bar Campground (3) – Located at milepost 4.5 of Selway River Road #223.

Race Creek Campground (1) - Located approximately 20 miles up Selway River Road #223 Three Devils Picnic Area (2) – Located approximately 18 miles east of Kooskia of Highway 12.

Devoto Grove Interpretive Site (1) - Located at milepost 165 of U.S. Highway 12.

Weir Trailhead (1) – Located approximately 67 miles east of Kooskia of U.S. Highway 12.

Moose Creek Ranger District Fenn Pond (1) – Located 5 miles up the Selway River Road #223 from the Hwy 12/ #223 junction.

O’Hara Camp (1) - Located 7 miles up the Selway River Road #223 from the Hwy 12/ #223 and is found at the #223/ #651 junction.

Selway (1) – Located 18 miles up the Selway River Road #223 and 1 mile past the #223/ #443 junction on the #443 road.

Slims Camp (1) - Located 18 miles up the Selway River Road #223 and 1 ¼ mile past the #223/ #290 junction on the #290 road.

Palouse Ranger District Giant White Pine Campground (4) – Located at milepost 19.5 of State Highway 6.

Laird Park Campground (8) – Located on the 447 road off highway 6. The Junction of Hwy 6 and 447 Rd is approximately 2 miles past the town of Harvard.

Little Boulder Campground (5) – Located 3 miles up Park Rd. #1963. The Junction of Hwy 8 and Park Rd #1963 is in Helmer, ID.

North Fork Ranger District Jazz Creek Camp (1) – Located 61 miles from Orofino on FS Road 250, South of Bungalow.

Riviera Camp (1) - Located 71 miles from Orofino on FS Road 247, South of Canyon WC.

Flat Creek (1) – Located 80 miles from Orofino on FS Road 247, South of Canyon WC.

Pine Creek Camp – Located 60 miles from Orofino on FS Road 250, South of Bungalow.

SEAT

Salmon River Ranger District

Lochsa – Powell Ranger Districts

Moose Creek Ranger District

Palouse Ranger District

(Women’s)

North Fork Ranger District

Item Totals

01011 – SUMMARY OF WORK

A. General

1. Project work would include the following: prepare existing concrete toilet walls, floors and metal surfaces for painting, including removing old paint or other finishes and repairing marred or chipped surfaces; prime and paint concrete toilet surfaces including interior walls, doors frames, door panels and windows frames; and repair or replace interior and exterior caulking as needed. Surface preparation shall comply with manufacturer’s instructions. As indicated in the above listing additional items such as door replacements, window replacements, toilet paper holder replacements, and installation of concrete entrance pads may be required.

01012 – START WORK

It is estimated that work will begin approximately July 1, 2023 for most sites. However, some sites may not be accessible due to high elevation and snow load.

01013 – CONTRACT TIME

It is anticipated that work will begin on July 1, 2023 and contract time will end October 31, 2024.

01016 – CONTRACTOR’S USE OF THE WORK SITE

Contractor will be allowed to camp at or adjacent to project sites in designated camp areas. The Contractor will not be allowed to camp in fee campgrounds but may camp at dispersed sites. The Contractor must have a camping permit from the district in order to camp near the project site.

01017 – SCHEDULES

A. Furnish three copies each of the following items after award of contract for review and/or approval pursuant to the contract:

1. Proposed progress schedule showing starting and completion dates of the various phases of work prior to starting work on the contract.

2. List of proposed subcontractors must have Contracting Officer’s written approval prior to work on the project.

01031 – GRADES LINES AND LEVELS

Contractor shall verify all quantities, volumes, and lengths.

01050 – COORDINATION

Recreation sites will not be closed during work activities. Limited portions of the site may be closed to the public during work, but the overall site must remain open for use. The contractor shall be responsible for protection of the work and barricading of the site to prevent entry of the public while the paint is curing.

01300 – SUBMITTALS

A. Shop Drawings and Product Data

1. The Contractor shall provide the following submittals to the COR before final acceptance – three copies each where pertinent. Approvals must be obtained before starting work which involves the item.

2. Manufacturer’s literature shall be marked or otherwise designated to indicate the exact model, size, etc. which the Contractor proposes to use. Information shall be adequate to determine compliance with the specifications without additional research by the CO. One copy of approved submittals will be returned to the Contractor.

3. Provide manufacturer’s literature on the following:

a. Material Safety Data Sheets of all chemicals used.

b. Primer and Paint used for toilet rehabilitation work.

c. Toilet paper holder

d. Door design.

01400 – QUALITY CONTROL AND QUANTITY MEASUREMENT

A. General:

Description. This work shall consist of providing quality control in conformance with the Inspection of Construction provisions of this contract to ensure compliance with the drawings, specifications, and provisions of the contract, and measuring the quantities of completed work in conformance with the provisions of the applicable specification. The Contractor shall provide all personnel and reports necessary to meet the requirements of this specification.

B. Execution:

1. Quality control and Quantity measurement system. The Contractor shall provide and maintain a quality control system that will ensure that all services, supplies, and construction required under this contract conform to the contract requirements.

2. The Contractor shall also perform, or cause to be performed, all measurement of quantities of materials incorporated into the work or work processes that are to be measured under the provisions of the contract.

C. Measurement and Payment

1. Method. There will be no separate measurement for this section.

2. Quality control and quantity measurement shall be incidental to other specified work.

01500 – TEMPORARY FACILITIES

A. Temporary Electricity

1. Power is not available at any of the sites.

B. Temporary Water

1. There is potable water available at some sites, but not all. Contractor will be responsible for providing water at sites that do not have potable water available.

C. Temporary Sanitary Facilities

1. Contractor shall provide approved temporary sanitation facilities for workers on project site if the toilet to be rehabilitated is the only unit at the site.

2. For sites where the toilet being repaired is the only sanitation facility, the contractor shall provide a temporary sanitary facility (portable toilet) for the public.

01530 – BARRIERS

A. Contractor will erect adequate barriers around all work sites for the protection of visitors who may be in the area and allow no access to facility while under construction and curing. Barriers should remain in place through the complete curing of any painted surfaces or concrete entrance pads.

01550 – ACCESS ROADS AND PARKING AREAS

A. Access:

1. Contractor shall be responsible for constructing, maintaining, and restoring access ways to and at the work site. If damage occurs to the existing roadways, as a result of the Contractor’s actions, the Contractor shall restore the roadways to the condition prior to the start of work.

B. Parking

1. Parking is available at the construction site at designated areas.

C. Camping

1. Industrial camping is allowed within the local area. An industrial camping permit will be required to use dispersed sites within the local area.

01551 – STORAGE OF MATERIALS

A. The Contractor will be allowed to store materials at the project site under construction. Coordinate the location of the storage area with the C.O.R. Materials subject to damage from the weather shall be adequately protected by the Contractor. The Contractor will be solely responsible for the loss of or damage to materials stored at the job site.

01700 – PROJECT CLOSEOUT

A. Cleaning

1. In addition to keeping trash around the work areas picked up daily, Contractor(s) shall pick up and remove all trash from in and around the work areas before final acceptance.

2. All areas that have been painted must be cleaned if any spillage occurs.

01800 – MEASUREMENT AND PAYMENT

A. Description – Measurement and payment for contract work will be made only for and under those pay items included in the Schedule of Items. All other work and materials will be considered incidental to and included in the payment of the pay items in the Schedule of Items.

B. Method of Measurement – The following methods of measurement are used to determine contract quantities for payment.

1. Structures will be measured according to neat lines shown on the Drawings or as altered by the Contracting Officer (CO) in writing to fit field conditions.

C. Units of Measurements – Payment will be units defined and determined according to US Standard Measure and by the following:

1. Each – One complete unit which may consist of one or more parts.

D. Payment – One of the following methods of measurement for determining final payment is designated on the Schedule of Items for each pay item.

1. Actual Quantities (AQ) – These quantities are determined from measurements of completed work.

2. Lump Sum Quantities (LSQ) – These quantities denote one complete unit of work as required by or described in the contract, including, necessary materials, equipment, and labor to complete the job. They will not be measured.

DIVISION 2 – SITE WORK

02000 – MOBILIZATION

A. General: Description – This work shall consist of preparatory work and operations for the movement of personnel, equipment, supplies, and incidentals to the project sites, 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 sites.

B. Products – Not used.

C. Execution – Not used.

D. Measurement and Payment

1. Method – The method of measurement, as described in Section 01800, will be designated in the Schedule of Items.

2. Basis – Mobilization will be paid for at the contract unit price for the item as shown in the Schedule of Items.

3. Progress payment will be made as follows:

a. When 5 percent of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

b. When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

c. Upon completion of all work on the project, any unpaid amount for mobilization will be paid.

d. The total of all payments, including bonding, shall not exceed the original contract amount for this item.

Payment will be made under:

02222 – STRUCTURAL EXCAVATION, BACKFILL, AND COMPACTION

A. General:

1. Contractor shall provide all labor, tools, and equipment necessary to excavate for toilet installation and compaction under slabs.

2. All surplus excavation shall be disposed of in accordance with Section 02135 or as designated by the COR.

3. Contractor shall remove all unsuitable material under the slab and toilets including materials not meeting compaction requirements below and backfill with suitable material.

4. Contractor shall supply any additional suitable backfill and/or topsoil necessary from sources approved by COR.

5. Borrow material can be used that is conserved from toilet excavation if approved by the COR.

B. Materials

1. Remove the upper four to eight inches of topsoil from the area to be occupied by the buildings and stockpile in location approved by the COR.

2. Fill Material –

a. The material for the interior and exterior fills shall consist of a mixture of soil, gravel, disintegrated granite, or other suitable material.

b. The material shall be free from organic vegetative matter.

c. The maximum size of any particle shall not be greater than three inches in diameter.

d. Oversize material may either be removed or broken down to the specified dimensions by any method which accomplishes reduction to that size.

e. The removal or the breakdown of oversize material to the specified size shall be done at the material source.

f. Contractor shall furnish any additional suitable material to backfill under the slab and shape around the finished structure and the stockpiled topsoil can be reused.

g. Crushed aggregate, 3/4-inch minus.

C. Execution:

1. Strip all vegetation and deposit large material as specified in Section 02130 and 02135. The upper four to eight inches of the topsoil from the area to be occupied by the building shall be stockpiled near the construction site for use in final grading.

2. The Contractor shall supply all additional fill material suitable for backfill under the slab and vault toilet to shape around the finished structure as shown on the drawings.

3. Excavation shall produce surfaces to line and grade shown on drawings. All excavated areas shall drain when weather is such that water may collect in holes and ditches.

4. The root structure of all existing trees that are to be trimmed back to the edge of the excavation. No excavated or fill material shall be piled under the drip line of any trees.

5. Exterior fills shall be constructed to sections and elevations indicated. Exterior fills shall drain.

6. Compacted earth fills under concrete slabs and toilet shall be placed in approximately six-inch lifts and compacted with three complete passes with a whacker-type mechanical compactor or equal approved by the COR. (Recommend use of 3/4-inch minus crushed aggregate around tanks and up under slab for ease of compaction.) See Specification 13800. Comply with manufacturer’s recommendations for compaction around tanks.

7. When all exterior earthwork is completed, the Contractor shall give the entire site a final dressing to assure that all surfaces are in accordance with the elevations indicated on the drawings.

a. Finish grades adjacent to the building shall be sloped to provide surface drainage away from the building walls in all directions.

b. Use the topsoil previously stripped from the site for the upper layer of fill for finish grades.

c. Rake and shape the backfill and prepare site for seeding.

D. Measurement and Payment:

1. There shall be no separate payment for work required under this section. Payment is incidental to and included in the payment of other items of work.

02229 – PATHS AND AGGREGATE APRONS

A. General –

1. Construction of all aggregate paths and aggregate aprons shall be as shown on drawings, staked on the ground, and described in the Specifications. Aggregate aprons include aprons around toilet buildings and adjacent to concrete entranct pads. Includes furnishing all labor, equipment, tools and services necessary for the completion of this work.

2. Related Specifications – Section 02611 Crushed Aggregate.

B. Products -

1. Aggregate for path and toilet apron construction ¾ - inch minus from a commercial source.

C. Execution –

1. Clearing and Grubbing – Clearing and grubbing shall shall include removal of all organic materials over ½ inch. Care shall be taken to remain within clearing limits so as not to damage or destroy vegetation outside the clearing limits.

D. Measurement and Payment:

1. There shall be no separate payment for work required under this section. Payment is incidental to and included in the payment of other items of work.

02611 – CRUSHED AGGREGATE

A. General:

1. Contractor shall provide labor, materials, and equipment necessary for hauling and placement of crushed aggregate around vault toilets and paths.

B. Materials:

1. Contractor shall provide ¾ - inch crushed aggregate from commercial source.

2. Aggregate shall be moistened or dried to uniform moisture content suitable for compaction.

3. The aggregate shall be spread in a uniform layer, with no segregation of size, and to a loose depth that shall have the required thickness when compacted.

4. Aggregate shall be compacted using a hand held compactor for pathways and adjacent to vault toilets, campfire rings and picnic tables. Compaction equipment shall be operated over the full width of each layer until visual displacement ceases, but not less than three complete passes.

C. Measurement and Payment:

1. There shall be no separate payment for work required under this section. Payment is incidental to and included in the payment of other items of work.

DIVISION 3 – CONCRETE

03200 – CONCRETE REINFORCEMENT

A. General

1. Description - This section specifies furnishing and installing concrete reinforcement.

2. Related Work Specified Elsewhere - Ready-Mix Concrete – Section 03300

B. Materials

1. Steel Reinforcing

a. All reinforcement shall be new, free from dirt, oil, paint, grease, loose mill scale, and loose or thick rust when placed.

b. Store on blocks or other supports to prevent bending, rusting, and accumulation of dirt or soil. Bundle and tag reinforcement with grades and suitable identification marks for checking, sorting, and placing. Tags and marks shall be waterproof and left on the steel until it is placed.

c. Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420), deformed.

d. Plain-Steel Wire: ASTM A 82.

C. Execution

1. Installation –

a. Install reinforcement as shown on the drawings and specified herein.

b. Reinforcing details not shown on the drawings or specified, shall meet the requirements of the latest edition of the ACI Code.

2. Placing - Accurately place and adequately support reinforcement with concrete, metal or other chairs, spacers, or ties approved by the COR and secure against displacement within the permitted tolerances.

D. Measurement and Payment:

1. There shall be no separate payment for work required under this section. Payment is incidental to and included in the payment of other items of work.

03300 - CAST-IN-PLACE CONCRETE

A. General

1. This Section includes cast-in-place concrete, including reinforcement, concrete materials, mix design, placement procedures, and finishes to construct concrete entrance pads.

B. Submittals

1. Product Data: For each manufactured material and product indicated.

2. Design Mixes: For each concrete mix indicated.

3. Shop Drawings: Include details of steel reinforcement placement including material, grade, bar schedules, stirrup spacing, bent bar diagrams, arrangement, and supports.

C. Quality Assurance

1. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products complying with ASTM C 94 requirements for production facilities and equipment.

2. Comply with ACI 301, "Specification for Structural Concrete," including the following, unless modified by the requirements of the Contract Documents.

a. General requirements, including submittals, quality assurance, acceptance of structure, and protection of in-place concrete.

b. Formwork and form accessories.

c. Steel reinforcement and supports.

d. Concrete mixtures.

e. Handling, placing, and constructing concrete.

f. Lightweight concrete.

D. Materials

1. Formwork: Furnish formwork and form accessories according to ACI 301.

2. Concrete Materials

a. Portland Cement: ASTM C 150, Type I or II or I/II, use one brand of cement throughout project.

b. Normal-Weight Aggregate: ASTM C 33, uniformly graded, not exceeding 1-1/2-inch (38-mm) nominal size.

c. Lightweight Aggregate: ASTM C 330.

d. Water: Complying with ASTM C 94.

3. Admixtures

a. Air-Entraining Admixture: ASTM C 260.

b. Water-Reducing Admixture: ASTM C 494, Type A.

c. High-Range, Water-Reducing Admixture: ASTM C 494, Type F.

d. Water-Reducing and Accelerating Admixture: ASTM C 494, Type E.

e. Water-Reducing and Retarding Admixture: ASTM C 494, Type D.

4. Vapor Retarder: Multi-ply reinforced polyethylene sheet, ASTM E 1745, Class C, not less than 7.8 mils (0.18 mm) thick; or polyethylene sheet, ASTM D 4397, not less than 10 mils (0.25 mm) thick.

a. Fine-Graded Granular Material: Clean mixture of crushed stone, crushed gravel, and manufactured or natural sand; ASTM D 448, Size 10, with 100 percent passing a No. 4 (4.75-mm) sieve and 10 to 30 percent passing a No. 100 (0.15-mm) sieve; complying with deleterious substance limits of ASTM C 33 for fine aggregates.

5. Joint-Filler Strips: ASTM D 1751, asphalt-saturated cellulosic fiber.

6. Curing Materials

a. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.

b. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf.

c. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.

d. Water: Potable.

e. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B.

f. Clear, Waterborne, Membrane-Forming Curing and Sealing Compound: ASTM C 1315, Type 1, Class A.

E. Concrete Mixes

1. Comply with ACI 301 requirements for concrete mixtures.

2. Prepare design mixes, proportioned according to ACI 301, for normal-weight concrete determined by either laboratory trial mix or field test data bases, as follows:

a. Compressive Strength (28 Days): 3500 psi (24.1 MPa)

b. Slump: 4 inches (100 mm).

i. Slump Limit for Concrete Containing High-Range Water-Reducing Admixture: Not more than 8 inches (200 mm) after adding admixture to plant- or site-verified, 2- to 3-inch (50- to 75-mm) slump.

3. Add air-entraining admixture at manufacturer's prescribed rate to result in concrete at point of placement having an air content of 4.0 to 6.0 percent within a tolerance of plus 1.0 or minus 1.5 percent.

a. Air content of trowel-finished interior concrete floors shall not exceed 3.0 percent.

F. Concrete Mixing

1. Ready-Mixed Concrete: Comply with ASTM C 94 and ASTM C 1116.

a. When air temperature is between 85 and 90 deg F (30 and 32 deg C), reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F (32 deg C), reduce mixing and delivery time to 60 minutes.

2. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete according to ASTM C 94. Mix concrete materials in appropriate drum-type batch machine mixer.

a. For mixer capacity of 1 cu. yd. (0.76 cu. m) or smaller, continue mixing at least 1-1/2 minutes, but not more than 5 minutes after ingredients are in mixer, before any part of batch is released.

b. For mixer capacity larger than 1 cu. yd. (0.76 cu. m), increase mixing time by 15 seconds for each additional 1 cu. yd. (0.76 cu. m).

G. Execution

1. General installation

a. Formwork: Design, construct, erect, shore, brace, and maintain formwork according to ACI 301.

b. Vapor Retarder: Install, protect, and repair vapor-retarder sheets according to ASTM E 1643; place sheets in position with longest dimension parallel with direction of pour.

i. Lap joints 6 inches (150 mm) and seal with manufacturer's recommended tape.

ii. Cover vapor retarder with fine-graded granular material, moisten, and compact with mechanical equipment to elevation tolerances of plus 0 inch (0 mm) or minus 3/4 inch (19 mm).

c. Steel Reinforcement: Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement.

i. Do not cut or puncture vapor retarder. Repair damage and reseal vapor retarder before placing concrete.

d. Joints: Construct joints true to line with faces perpendicular to surface plane of concrete.

e. Construction Joints: Locate and install so as not to impair strength or appearance of concrete, at locations indicated or as approved by Architect.

f. Isolation Joints: Install joint-filler strips at junctions with slabs-on-grade and vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated.

i. Extend joint fillers full width and depth of joint, terminating flush with finished concrete surface, unless otherwise indicated.

g. Contraction Joints in Slabs-on-Grade: Form weakened-plane contraction joints, sectioning concrete into areas as indicated. Construct contraction joints for a depth equal to at least one-fourth of the concrete thickness, as follows:

i. Grooved Joints: Form contraction joints after initial floating by grooving and finishing each edge of joint with groover tool to a radius of 1/8 inch (3 mm). Repeat grooving of contraction joints after applying surface finishes. Eliminate groover marks on concrete surfaces.

ii. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch- (3-mm-) wide joints into concrete when cutting action will not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks.

h. Tolerances: Comply with ACI 117, "Specifications for Tolerances for Concrete Construction and Materials.”

2. Concrete Placement

a. Comply with recommendations in ACI 304R for measuring, mixing, transporting, and placing concrete.

b. Do not add water to concrete during delivery, at Project site, or during placement.

c. Consolidate concrete with mechanical vibrating equipment.

d. Cold Weather Placing:

i. Protect concrete work from physical damage or reduced strength which could be caused by frost, freezing actions, or low temperatures, in compliance with ACI 306 and as herein specified.

ii. When air temperature has fallen to or is expected to fall below 40 F (4 C), uniformly heat water and aggregates before mixing to obtain a concrete mixture temperature of not less 50 (10 C), and not more than 80 F (27 C) at point of placement.

iii. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or subgrade containing frozen materials.

iv. Do not use calcium chloride, salt or other materials containing antifreeze agents or chemical accelerators, unless otherwise accepted in mix designs.

e. Hot Weather Placing:

i. When hot weather conditions exist that would seriously impair quality and strength of concrete, place concrete in compliance with ACI 305 and as herein specified.

ii. Cool ingredients before mixing to maintain concrete temperature at time of placement below 90 F (32 C).

iii. Mixing water may be chilled or chopped ice may be used to control temperature provided water equivalent of ice is calculated to total amount of mixing water.

3. Finishing Formed Surfaces

a. Rough-Formed Finish: As-cast concrete texture imparted by form-facing material with tie holes and defective areas repaired and patched, and fins and other projections exceeding 1/4 inch (6 mm) in height rubbed down or chipped off.

b. Apply to concrete surfaces not exposed to public view

c. Smooth-Formed Finish: As-cast concrete texture imparted by form-facing material, arranged in an orderly and symmetrical manner with a minimum of seams. Repair and patch tie holes and defective areas. Completely remove fins and other projections.

i. Apply to concrete surfaces exposed to public view or to be covered with a coating or covering material applied directly to concrete, such as waterproofing, damp proofing, veneer plaster, or painting.

d. Related Unformed Surfaces: At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a texture matching adjacent formed surfaces. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces, unless otherwise indicated.

4. Finished Uniform Surfaces

a. General: Comply with ACI 302.1R for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

b. Nonslip Broom Finish: Apply a nonslip broom finish to surfaces indicated and to exterior concrete platforms, steps, and ramps. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route.

5. Concrete Protection and Curing

a. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and follow recommendations in ACI 305R for hot-weather protection during curing.

b. Evaporation Retarder: Apply evaporation retarder to concrete surfaces if hot, dry, or windy conditions occur before and during finishing operations. Apply according to manufacturer's written instructions after placing, screeding, and bull floating or darbying concrete, but before float finishing.

c. Begin curing after finishing concrete, but not before free water has disappeared from concrete surface.

d. Cure formed and unformed concrete for at least seven days as follows:

i. Moisture Curing: Keep surfaces continuously moist with absorptive cover, water saturated and kept continuously wet.

ii. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches (300 mm), and sealed by waterproof tape or adhesive. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

iii. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Maintain continuity of coating and repair damage during curing period.

6. Field Quality Control

a. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to sample materials, perform tests, and submit test reports during concrete placement. Tests will be performed according to ACI 301.

i. Testing Frequency: One composite sample for each day's pour of each concrete mix exceeding 5 cu. yd. (4 cu. m), but less than 25 cu. yd. (19 cu. m), plus one set for each additional 50 cu. yd. (38 cu. m) or fraction thereof.

ii. Testing Frequency: At least one composite sample for each 100 cu. yd. (76 cu. m) or fraction thereof of each concrete mix placed each day.

H. Measurement and Payment

1. Measurement – The method of measurement described in Section 01800, will be designated in the Schedule of Items.

2. Payment – The accepted quantities will be paid for at the contract unit price for each pay item shown in the Schedule of Items.

3. Payment will be made under:

DIVISION 9 - FINISHES

09900 - PAINTING

A. General:

Exterior Painting

1. Contractor shall supply all labor, materials, tools and equipment to paint concrete walls and floors; metal frames for doors and window and door panels; and caulking all joints inside and outside toilet buildings.

B. Materials:

1. Metal Trim and Doors –

a. Prime all metal with two coats of #769 Damp-Proof Red Primer by Rust-Oleum, or equal.

b. Sherman Williams Direct – to – Metal Enamel B55 Series Alkyd Coating, Brown or Sage Green per unit color, or equal.

c. Follow all guidelines for paint application per manufacturer's recommendations.

2. Interior Wall Paint –

a. Composite Concrete Paint as manufactured by United Paint Manufacturing, CXT Replacement Part #RM40615, or equal.

b. Follow all guidelines for paint application per manufacturer's recommendations.

3. Floor Paint –

a. ArmorSeal Heavy Duty Floor Coatings, Rexthane 1 Concrete Paint, Gray, or equal.

b. Follow all guidelines for paint application per manufacturer's recommendations.

4. Interior Caulking (White) –

a. Scotch – Seal Polyurethane Adhesive Sealant, White, or equal.

b. Follow all guidelines for caulk application per manufacturer's recommendations. Used for sealing interior walls.

5. Exterior Caulking (Black) -

a. Henry Wet Patch Exterior Roof Leak Repair, Black, or equal.

b. Follow all guidelines for paint application per manufacturer’s recommendations. Used for sealing around vent stack and any roof leaks.

6. Exterior Caulking (Gray) –

a. 3M 540 Polyurethane Sealant, Gray, or equal.

b. Follow all guidelines for caulk applications per manufacturer’s recommendations. Used for sealing exterior walls.

C. Execution:

1. Metal Trim and Doors –

a. Remove rust, damaged paint and dirt from all surfaces to be painted and clean prior to painting.

b. Apply two coats of primer.

c. Apply two coats of paint specified for use on metal surfaces.

d. Follow all guidelines for paint application per manufacturer’s recommendations.

2. Interior Paint –

a. Remove damaged paint and dirt from all surfaces to be painted and clean prior to painting.

b. Apply two coats of paint specified for use on interior wall surfaces.

c. Follow all guidelines for paint application per manufacturer’s recommendations. Use epoxy hardener and thinner recommended by paint manufacturer

3. Floor Paint –

a. Remove damaged paint and dirt from all surfaces to be painted and clean prior to painting.

b. Apply two coats of paint specified for use on interior floor surfaces.

c. Follow all guidelines for paint application per manufacturer’s recommendations.

4. Caulking –

a. Remove all old or damaged caulking and clean surface before reapplying new caulk to either interior or exterior surfaces.

D. Measurement and Payment -

1. There shall be no separate payment for work required under this section. Payment is incidental to and included in the payment of other items of work.

09910 – CONCRETE TOILET REHABILIATION

A. General: Provide best quality grade of various types of coatings as regularly manufactured by acceptable paint and caulking material manufacturers. Material not diplaying manufacturer’s identification as a standard, best-grade product will not be acceptable. List of materials is found in Section 09900.

1. All finishes will be applied in strict adherence with the manufacturer’s recommendations for temperature and moisture limits.

2. Concrete vaults were manufactured by Missoula Concrete Construction, P.O. Box 3326, Missoula, MT 59806, Phone 406-549-9682, or CXT Precast Products Division, P.O. Box 14757, Spokane, Washington 99214-0757, Phone 800-696-5766. Refer to reference drawings for general dimensions of the surfaces. There will be some minor differences in square footage of the units due to differences in products. All quantities should be checked in the field to verify quantity of surfaces to be treated.

B. Products:

1. See Section 09900 for list of individual products and finishes for rehabilitation work.

Doors – CXT SKU: RM30815 or Missoula Concrete Equal Toilet Paper Holder - CXT SKU: RM54141 or Missoula Concrete Equal Windows - CXT SKU: RM34040 or Missoula Concrete Equal Riser - CXT SKU: RM54390 or Missoula Concrete Equal Riser Seat with Lid – CXT SKU; RM54286 or Missoula Concrete Equal Placards - CXT SKU: RM33001 or Missoula Concrete Equal CXT SKU: RM33064 or Missoula Concrete Equal Door Stop – Global Industrial Item # WRB667535 or Equal

C. Execution:

1. Caulking, Grout, Adhesive and Sealer

a. All caulking will remain flexible and non sag at temperature from 50 to 140 degrees Fahrenheit.

b. Interior joints will be caulked with white. Interior joints will be caulked after interior walls are painted. Exterior joints can be caulked at any time. No painting is specified on exterior surfaces.

2. Paint

a. Paint and accessory materials shall conform to Federal Specifications or be similar "top-of-the-line" products. The Government reserves the right to reject "top-of-the-line" products which, in its opinion, are not comparable to the Federal Specification requirements.

b. Furnish and lay drop cloths in all areas where painting is being done to protect floors and other work from damage.

c. Prepare all surfaces properly to receive finish.

d. Metal surfaces both inside and out, including doors, window frames, cleanout covers must be cleaned of all rust and debris before painting.

e. Interior concrete surfaces must all be cleaned and peeling or chipping paint removed.

i. If needed to ensure uniform application, prepare concrete surface for application of paints by acid etching with a 30 percent solution of hydrochloric acid. Flush with water and allow to thoroughly dry.

ii. Repair any concrete or metal surfaces prior to painting. This includes but is not limited to removal of all rust, filling of any holes or depressions, removal of dark graffiti or markings that may show through light paint, removal of all cracked or peeling paint, and removal of all old caulking or other surface impediments.

iii. Surface preparations must be reviewed and approved by the COR prior to painting.

f. Painting shall NOT be done under the following conditions:

i. The weather conditions do not meet the specifications outlined for each product in the product literature.

ii. Outside in cold, frosty, foggy, or damp weather.

iii. In winter, unless temperature is 50oF or over and surfaces are dry and hard.

iv. In dusty areas.

g. Apply coats, additional to those shown in Section 09900 - Products, when undercoats or other conditions show through final coat of paint, until paint film is of uniform finish, color, and appearance.

h. Gray concrete enamel on floor shall also cover the cove at the junction between wall and floor. The line between the grey floor enamel and the white wall enamel shall be straight and parallel to the floor.

i. Cleanup: Repair all defects and remove all paint spatters, etc.

j. Protect interior painted surfaces from direct exposure to sunlight and weather during manufacture, assembly, and installation. The Contractor is responsible for keeping the unit closed to the public while the finishes are curing.

D. Measurement and Payment

1. Measurement – The method of measurement described in Section 01800, will be designated in the Schedule of Items.

2. Payment – The accepted quantities will be paid for at the contract unit price for each pay item shown in the Schedule of Items.

3. Payment will be made under:

SECTION H--SPECIAL CONTRACT REQUIREMENTS

FAR 52.236-4 Physical Data (APR 1984)

Data and information furnished or referred to below is for the Contractor's information. The Government shall not be responsible for any interpretation of or conclusion drawn from the data or information by the Contractor.

(a) The indications of physical conditions on the drawings and in the specifications are the result of site investigations by Forest Service specialists making physical determination based on surface observations.

(b) Weather Conditions. Normal snow conditions indicate a work season from approximately May 1 to October 31.

(c) Transportation Facilities. For the Lochsa/Powell project sites the project area can be accessed from U.S. Highway 12 and the Selway Road #223. Both are paved access roads. For the Palouse projects the sites are accessed by State Highway 6 and 9.

BARRICADES, WARNING SIGNS, AND OTHER DEVICES

The Contractor shall provide, erect, and maintain all necessary barricades, suitable and sufficient lights, danger signals, signs, and other traffic control devices, and shall take all necessary precautions for the protection of the work and safety of the public. Roads closed to traffic shall be protected by effective barricades, and obstructions shall be illuminated during the hours of darkness. Suitable warning signs shall be provided to properly control and direct traffic.

The Contractor shall erect warning signs in advance to any place on the project where operations may interfere with the use of the road or trail by traffic and at all intermediate points where the new work crosses or coincides with an existing road or trail. All road barricades, warning signs, lights, temporary signals, flagmen and pilot car operators and equipment, and other protective devices, except for special devices, shall conform with Part VI of the Manual on Uniform Traffic Control Devices for Streets and Highways, published by the Federal Highway Administration and applicable safety codes.

As a minimum, it is anticipated that the following type and number of signs will be required:

Location

Designation

Quantity

Either side of any areas where men are working.

Wet Paint

ENVIRONMENTAL PROTECTION

Prevention of Oil Spills. The contractor is required to have a spill plan. When storage facilities for oil or oil products are on site, appropriate preventive measures shall be taken to insure that any spill of such oil or oil products does not enter any stream, wetland, or any other body of water. If a spill of petroleum product should occur in water, immediately notify the Contracting Officer and appropriate state agencies.

Service all equipment only in the areas approved by the Contracting Officer. If the total oil or oil products storage exceeds 1320 gallons or if any single container exceeds a capacity of 660 gallons, prepare a Spill Prevention Control and Countermeasures (SPCC) Plan. Meet all applicable EPA requirements (40 CFR 112) including certification by a registered professional engineer.

Contractor shall ensure that all personnel involved in handling and packaging the hazardous materials are trained for the level of expertise required for the proper performance of the task and, in particular, in the areas of chemical incompatibility, general first aid procedures, and spills. Provide handling and personal protective equipment appropriate to ensure safe handling of the hazardous material according to 29 CFR 1910.120). Notify the Forest Service in writing of all hazardous material that may be brought onto the National Forest.

The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. The contractor must clean up spills or leaks in a manner that complies with Federal, state, and local laws and regulations and to the satisfaction of the CO. When necessary provide copies of all spill related clean up and closure documentation and correspondence from regulatory agencies.

FIRE CONTROL

Any employees and equipment furnished will be relieved from fire fighting as soon as the Forest Service finds that it is practicable to employ other labor and equipment adequate for the protection of the area. An equitable adjustment in contract time may be made for this period.