Specifications_-_Starr_Springs.pdf

STARR SPRINGS

CAMPGROUND IMPROVEMENTS

TABLE OF CONTENTS

Section Number Description .

01009 General Requirements 01019 Government Furnished Property 01505 Mobilization 02211 Water Distribution 02224 Selective Demolition 02231 Clearing & Grubbing 02300 Earthwork 02310 Site Grading 02321 Trenching 02372 Riprap 02640 Culvert 02730 Aggregate Surfacing 03300 Cast-in-Place Concrete 04860 Stone Masonry 06062 Reinforced Plastic Composite Lumber 06102 Wood Treatment

GENERAL INFORMAITON AND REQUIREMENTS

Starr Springs Camp Ground Improvements 04/15

01009-1

SECTION 01009

GENERAL INFORMATION AND REQUIREMENTS

PART 1: GENERAL

1.1 SUMMARY

A. Description of Work: Furnishing all labor, equipment, supplies, and materials, to reshape existing site road, masonry sign base, small bridge structure, culverts, concrete sidewalks, & concrete parking areas, rock barricades, rock drains, sumps, and slope stabilization, and other miscellaneous improvements. Furnishing all labor, equipment, supplies and materials to install Government furnished road base on all site roads & parking areas, concrete benches, concrete picnic tables, kiosk, fee tubes, registry, grills, & fire rings. The project will also consist of demolition of existing campsites amenities, site signage, culverts, kiosk, parking barriers, gravel pave, toilet building including associated vaults, & other misc. items.

B. Location: Work under this Contract is located in Garfield County, Utah. The work site is at the

Starr Springs Camp Ground, off of SR-276, approximately 10 miles North of Ticaboo, Utah.

1.2 DEFINITIONS

A. Approvals: Approval of the submittals is an indication that the Contractor's submittals have been reviewed and that there are no objections, except as noted. Approval of deviations shall apply only to those deviations or omissions from the requirements of the drawings and specifications brought to the Contracting Officer's attention in writing. After approval of an item, submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project.

1.3 SUBMITTALS

A. Scope: Submittals include design computations, shop drawings, manufacturers' literature, as-built drawings, samples, and maintenance manuals.

B. Requirements: Refer to specifications for submittals required. Allow at least 5 working days for review. Submittals shall be delivered to the Contracting Officer Representative:

David Barfuss 150 East 900 North Richfield, Utah 84701

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.

01009-2

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.

1.4 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.

1.5 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.

1.6 PROJECT/SITE CONDITIONS

A. Access to the site is via state highway 276 & rural county road.

B. When working in the roadway and shoulder areas of the highway, UDOT traffic required control measures shall be implemented.

1.7 SEQUENCING AND SCHEDULING

A. Work Schedule: The schedule shall be submitted at the pre-work conference. When requested, submit an updated schedule within 3 calendar days. As a minimum, the estimated start and completion dates shall be shown in the estimate.

1.8 PERMITS

A. Encroachment Permit: The contractor is required to obtain any permit that may be required from UDOT prior to beginning any work on site. More information can be found at:

http://www.udot.utah.gov or by calling the Region 4 Office in Richfield, Utah at: (435) 893-4799.

01009-3

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 3 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: As shown on the drawings. The government will provide control points and AutoCAD drawings from which the contractor is responsible for layout of all work.

3.3 PROJECT MONUMENT

A. Requirements: None.

3.4 SALVAGEABLE ITEMS

3.5 DISPOSAL OF DEBRIS

A. Requirements: Demolition material shall become the property of the Contractor. Disposal of materials in a legal manner and payment of fees required is the Contractor's responsibility.

B. Contractor shall collect all construction generated trash as it accumulates and remove it from site daily. Plastic, paper and other material that is blown from the work area shall be collected immediately.

01009-4

3.6 PROJECT IDENTIFICATION

3.7 AS-BUILT DRAWINGS

A. General Requirements: A complete set of full-sized prints, furnished by the Contracting Officer for this purpose only, shall be kept at the site. As the job progresses, continuously maintain as-built drawings of the work. The changes shall be noted legibly in red pencil or red ink. These drawings shall be submitted to the Contracting Officer prior to final inspection.

B. Installation Changes: Records shall be maintained of actual installations where at variance with the work shown, where changed, or where not otherwise located by dimension, elevation or other reference on the Contract drawings. Actual locations and elevations of equipment and components (such as pipe, conduits and ducts) occurring within concealed areas shall be recorded by actual dimensions referenced from readily accessible and permanent structures or monuments.

3.8 WARRANTY

A. Requirements: Materials and equipment furnished under this Contract shall be covered by the most favorable commercial warranties given to customers for such materials or equipment. The rights or remedies provided herein are in addition to and do not limit rights afforded to the Government by other clauses of this Contract. With respect to warranties, expressed or implied, from manufacturers or suppliers for materials or equipment furnished under the Contract the Contractor shall:

1. Obtain warranties that would be given in normal commercial practices.

2. Require warranties to be executed, in writing, for the benefit of the Government.

3. Submit warranties to the Contracting Officer prior to the final inspection.

PART 4: MEASUREMENT AND PAYMENT

4.1 METHOD OF MESUREMENT

A. Units: There will be no separate measurements for individual items of work done under this contract. The work described in this section will not be measured for payment.

4.2 METHOD OF PAYMENT

A. Payment: Payment will be made at the contract price as indicated in the Bid Schedule, and will include full compensation for work described in the contract. Payment will be made under:

Pay Item Pay Unit

01009(01) Starr Springs Camp Ground Improvements Lump Sum

END OF SECTION

GOVERNMENT FURNISHED PROPERTY

01019-1

SECTION 01019

GOVERNMENT-FURNISHED PROPERTY

1.1 SUMMARY:

A. Section Includes: Materials to be furnished by the Government and their locations.

1.2 DELIVERY, STORAGE, AND HANDLING:

A. Location: The Government furnished property will be provided by the Bureau of Land Management at the Henry Mountains Field Station 380 South 100 West, Hanksville, UT 84734.

B. Location: Road base is stock piled approximately 3 miles SE of the site just off of the Starr Springs Road.

C. Time: Property will be available Monday through Friday, 8:00 AM to 4:30 PM except on holidays.

D. Return of Unused Property: Return unused material to the Henry Mountains Field Station 380 South 100 West, Hanksville, UT 84734.

E. Loading, Offloading and Transporting Property: The Contractor shall be responsible for providing the necessary material-handling equipment to load and offload materials. The Contractor shall load and transport materials to work sites. Special loading & unloading requirements may be required when handling concrete products. Obtain manufactures recommendations prior to handling any materials. Any material lost or damaged while loading, offloading, or transporting will be replaced by the Contactor at the Contractor’s expense.

PART 2: PRODUCTS

2.1 MATERIALS:

A. Materials to be furnished by the Government:

Specification Materials Estimated Section Description Quantity Unit Concrete Tables 15 each 03300 Concrete Benches (36”) 3 each 03300 Concrete Benches (72”) 5 each 03300 ADA standard Fire Rings 1 each 03300 Group Fire Ring 1 each 03300 Group Grill 1 each 03300 Standard Grills 11 each 04860 Site Sign 1 each 02730 Road Base Aprox. 850 CY Valve Box 5 each

MOBILIZATION

01505-1

SECTION 01505

MOBILIZATION

A. Section Includes: Preparatory work and operations, including those necessary for the movement of personnel, equipment, supplies and incidentals to the project site, for other work and operations which must be performed, or for costs incurred prior to beginning work on the various items on the project site. This specification does not include moves between project sites.

(There are no applicable requirements.)

(There are no applicable requirements.)

WATER DISTRIBUTION SYSTEM

02211-1

SECTION 02211

WATER DISTRIBUTION SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section shall consist of furnishing and installing the following:

1. Potable water distribution pipe and fittings.

2. Drains.

B. This Section shall also include the flushing, testing and disinfection of waterlines.

C. Related Sections include the following:

1. Section 02321 “Trenching”

1.2 DEFINITIONS

A. GSP: Galvanized Steel Pipe.

B. HDPE: High Density Polyethylene plastic.

C. PVC: Polyvinyl chloride plastic.

1.3 SUBMITTALS

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

1. Pipe and fittings.

2. Drain and vent screens.

B. Plan for disposal of water used for testing and disinfection of waterlines.

1.4 QUALITY ASSURANCE

A. All work is to be completed according to applicable Federal, State and Local codes. This work includes, but is not limited to, materials, installation, testing and disinfection

B. Piping materials shall bear label, stamp, or other markings of specified testing agency.

C. NSF Compliance:

02211-2

1. Comply with NSF 14 for plastic potable-water-service piping. Include marking "NSF-pw" on piping.

2. Comply with NSF 61 for materials for water-service piping and specialties for domestic water.

1.5 MINIMUM SYSTEM REQUIREMENTS

A. Unless otherwise noted, the minimum working pressure for piping and specialties shall be 160 psig.

1.6 DELIVERY, STORAGE AND HANDLING

A. Deliver piping with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe-end damage and to prevent entrance of dirt, debris, and moisture.

B. Protect stored piping from moisture and dirt. Elevate above grade.

C. Protect flanges, fittings, and specialties from moisture and dirt.

D. Store plastic piping protected from direct sunlight. Support to prevent sagging and bending.

1.7 PROJECT CONDITIONS

A. Existing Utilities: Do not interrupt utilities serving facilities occupied by the Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify the Contracting Officer not less than two days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without the Contracting Officer’s written permission.

1.8 COORDINATION

A. Coordinate connection to existing waterlines with Contracting Officer.

B. Verify piping materials, sizes, entry locations and pressure requirements are compatible with connection point.

PART 2 - PRODUCTS

2.1 GENERAL

A. All waterlines, pipes, and fittings shall be new and unused, of the type, pressure rating or class, and size specified and as shown on the Drawings.

02211-3

2.2 PIPES AND FITTINGS

A. HDPE:

1. Pipe, AWWA C901:

a. Material Designation: PE 3408 resin

b. Material Classification: ASTM D1248

c. Minimum Cell Classification: ASTM D 3350, 345434C

d. Dimension Ratio and Minimum Pressure Rating: DR11, 160 psig

2. Fittings:

a. Molded HDPE Fittings: ASTM D 3350, PE 3408 resin, butt-fusion type, made to match HDPE pipe dimensions and class.

b. Insert Fittings: Not allowed.

c. Transition Fittings to non-HDPE Pipe: Approved by HDPE pipe manufacturer.

Compression-type fittings are not allowed.

3. Pipe Larger than 2-inch Diameter: Provide in 40-foot lengths rather than in rolls.

4. Pipe and Fittings 4-inch Diameter and Larger: Conform to AWWA C906 in addition to above requirements.

B. Galvanized Steel: ASTM A53, Schedule 40, threaded ends meeting ASME B1.20.1.

1. Fittings: Threaded, ASTM A 338.

PART 3 - EXECUTION

3.1 TRENCHING

A. Refer to section 02321-Trenching

3.2 PIPING INSTALLATION

A. Construct the water system to the lines and grades shown or established in the field.

B. Stake locations of waterlines as shown on the Drawings. Waterline location shall be approved by the Contracting Officer before installation.

C. All waterlines shall be graded to drain where indicated on the drawings.

D. All waterlines shall be designed to be able to be blown out or drained.

E. All pipe, fittings, and appurtenances shall be handled and installed in strict conformance to the manufacturer’s recommendations.

02211-4

F. Valves, and other regulating and controlling devices shall be installed in the line where called for on the drawings.

G. The interior of all pipe, fittings, and other accessories shall be kept as free as possible from dirt and foreign matter at all times. Each piece of line as it is laid shall be cleaned of all debris.

When the pipeline has become dirty on the inside during shipment or storage, it shall be swabbed out by drawing a damp swab through the line before placing in trench. Care shall be exercised to keep all joining surfaces clean. Any pipe with contaminated or damaged joining surfaces, which cannot be satisfactorily cleaned or repaired, shall be discarded. Under no circumstances shall pipe be installed in water, and no pipe shall be installed when trench conditions or the weather is unsuitable for such work. At all times when work is not in progress, all open ends of the pipe and fittings shall be securely closed to the satisfaction of the Contracting Officer so that no trench water, rodents, earth, or other substance will enter the pipe or fittings.

H. Any section of pipe already installed and found to be defective shall be removed and replaced with new pipe at the Contractor’s expense.

I. Culvert Crossings: Where waterline crosses a road culvert, adjust grade of waterline to provide a minimum of 12 inches of separation between the waterline and culvert, maintaining slope of waterline to drain.

J. A minimum of one-foot separation shall be maintained between electric and waterlines in the same trench. Unless the electric conductors are in conduit the waterline shall be a minimum of one foot below the electric conductors.

K. Cutting and Handling of Pipe

1. Cutting of pipe for closure pieces or for other reasons shall be done in a neat manner by methods, which will not damage the pipe. The pipe and fittings shall be handled in such a manner as to insure delivery and final placement in good, undamaged condition.

Particular care shall be exercised not to injure the pipe surfaces or coatings. Damaged pipe shall not be used in the work and shall be replaced at the Contractors expense.

L. Laying Pipe

1. No pipe shall be placed in the trench until the Contracting Officer has approved the trench and bedding.

2. Pipes shall be placed true to the lines and grades shown on the Drawings and as specified.

Complete water system shall be constructed to drain by gravity to drains for seasonal shutdown. Waterlines shall be constructed to drain at a minimum grade of 1%.

Waterlines not meeting this requirement shall be removed by the Contactor and replaced at no cost to the Government.

3. Each section of the pipe shall rest upon the pipe bed for the full length of its barrel.

4. Backfill the pipe within 24 hours after installing the pipe in the trench, leaving the joints and one foot of pipe on each side of each joint exposed until testing is complete.

5. When work is not in progress, securely close open ends of pipe and fittings.

6. When high density polyethylene or solvent weld joint pipe is used, it shall be weaved in the trench to provide horizontal slack in the line for expansion and contraction.

02211-5

7. High density polyethylene pipe shall be allowed to cool to within 20ºF of the shaded trench bottom temperature before backfilling.

8. When pipes are installed in a structure or utility box, they shall be adequately supported.

9. Use proper fittings in order to follow the required line and grades and to avoid excessive curvature. Deflections from a straight line or grade, as required by vertical curves, horizontal curves, or offsets, shall not exceed the manufacturer's recommended maximum joint deflection or curvature for their pipe.

10. When more than one pipeline is in the same trench, the pipes shall be separated by at least eight horizontal inches, or as shown on the Drawings.

11. Bends that result in joint tension or permanent pipe deformation are prohibited.

12. Pipelines may be relocated slightly, if necessary, to avoid existing obstacles. However, the required slopes must be maintained.

M. Branch Connections

1. Branch connections to the main shall be made with tees.

2. Horizontal tees for waterline laterals shall not be permitted. The branch side of tees shall be up when drainage is toward the tee, and down when drainage is away from the tee.

3. Waterline tees shall be the same diameter as the largest pipe connected to the tee.

N. Pipe Joints

1. Joints shall be made, using jointing materials and applied with the proper accessories, in accordance with the manufacturer's instructions. Completed joints shall be watertight, and capable of passing the required hydrostatic testing. If pipe and fittings are assembled with a lubricant, it must be nontoxic.

2. Dissimilar Joints: Connections between two dissimilar pipes or fittings shall be installed in manner recommended by the pipe manufacturer and approved by the Contracting Officer. Use adapters compatible with each piping material, outer diameters and system working pressure.

a. For HDPE pipelines:

1) Use HDPE/GSP transition fittings for connections to galvanized steel pipe.

2) Use HDPE/PVC transition fittings for connections to PVC pipe.

b. For other situations, use fittings to suit the actual conditions.

c. Compression-type fittings are not allowed.

3. Threaded Metal Joints:

a. Thread pipes with tapered pipe threads according to ASME B1.20.1, apply tape or joint compound, and apply wrench to fitting and valve ends into which pipes are being threaded.

b. Exposed threaded pipe joints on galvanized steel pipe shall be painted with mastic following the manufacturer’s application procedures.

c. Field cut ends shall be squared off by grinding or filing; ends shall be reamed with all chips and flakes removed.

02211-6

d. Field cut threads or machined joints shall be made with sharp tools to sharp finished ends.

4. HDPE Heat-Fusion Joints

a. According to ASTM D 2657 and piping manufacturer's written instructions.

b. The joining method shall be butt fusion method and shall be performed in accordance with the pipe manufacturer's recommendations. Butt fusion equipment used in the joining procedures shall be capable of meeting all conditions recommended by the pipe manufacturer, including but not limited to, temperature requirements, alignment, and fusion pressures.

c. Personnel trained in butt fusion techniques by the manufacturer of the pipe, shall supervise or perform butt fusion operations.

d. Butt fusion shall be performed between pipe ends or pipe ends and fitting and valve outlets, of like outside diameter and wall thickness, SDR or DR. Butt fusion joining between same diameters but unlike wall thickness shall not be permitted.

Transitions between unlike wall thickness shall be made with a transition nipple (a short length of the heavier wall pipe with one end machined to the lighter wall) or by mechanical means.

e. Branch connections to the main shall be made with polyethylene fittings, and butt fused.

f. Bent Strap Test: On each day that butt fusions are to be made, perform a “Bent Strap Test.” The first fusion of the day shall be a trial fusion. The trial fusion shall be allowed to cool completely, and then fusion test straps shall be cut out. The test strap shall be 12" (min) or 30 times the wall thickness in length with the fusion in the center, and 1" (min) or 1.5 times the wall thickness in width. Bend the test strap until the ends of the strap touch. If the fusion fails at the joint, a new trial fusion shall be made, cooled completely and tested. Butt fusion of pipe to be installed shall not commence until a trial fusion has passed the bent strap test.

5. Plastic Piping Solvent-Cemented Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

a. PVC Pressure Piping: Join schedule number ASTM D 1785, PVC pipe and PVC socket fittings according to ASTM D 2672. Join other-than-schedule-number PVC pipe and socket fittings according to ASTM D 2855.

3.3 IDENTIFICATION

A. Use detectable warning tape over piping.

B. End Seals

1. The annular space between the sleeve or casing and the installed pipe shall be plugged with an end seal to provide a positive seal against a hydrostatic head and prevent soil from entering the space.

02211-7

3.4 HYDROSTATIC TESTING

A. General

1. The Contractor shall conduct pressure and leakage tests on all newly constructed portions of the water system, including water mains, service lines, fittings, valves, and hydrants.

New waterlines that are extensions or modifications of an existing water system shall be tested at the test pressure specified here unless the Contracting Officer specifies another pressure. Pneumatic testing will not be allowed.

2. The contractor shall ensure that any appurtenance attached to the pipeline at the time of testing is rated to withstand the pressures that will exist during testing.

3. Conduct piping tests before joints are covered and after thrust blocks, if required, have hardened sufficiently. Joints shall remain uncovered until testing is completed satisfactorily.

4. The Contractor shall furnish the pump, pipe, gauge, measuring device, connections, and all other necessary equipment, and shall furnish the necessary personnel to conduct the tests. All equipment, gauges, and attachments shall be subject to approval by the Contracting Officer.

5. The Contracting Officer shall be present during the testing period.

6. Waterlines shall be tested in sections not to exceed 2,600 ft in length or a maximum pressure differential of 30 psi in the test section.

7. No paints, asphalts, tars, enamels, or other types of pipe compounds shall be used to eliminate leaks.

B. Pressure and Leakage Test

1. The test pressure shall:

a. Equal at least 125% of the normal working pressure at the highest elevation of the test but not exceed 120 psi at any point being tested.

b. Not exceed the thrust restraint design pressures.

c. Not vary by more than +/- 5 psi from the established test pressure.

d. Not exceed twice the rated pressure of valves when the test section includes closed valves.

e. Be not less than 100 psi for all piping within buildings.

2. Pressure Test Procedure

a. Equipment: The test pressure shall be applied by means of a pump connected to the pipe in a manner satisfactory to the Contracting Officer.

b. Preparation: Fill pipeline 24 hours before testing. Use only potable water. Each valved section of pipeline shall be slowly filled with water and all air shall be expelled from the pipeline. Apply test pressure to stabilize system.

c. Pressurization:

1) Increase pressure at a rate of 50-psig and inspect each joint between increments.

2) Hold at test pressure for 1 hour.

3) Decrease to 0 psig.

02211-8

4) Slowly increase again to test pressure and hold for 1 more hour. If the test pressure cannot be sustained within +/- 5 psi during this time, then the system will be determined to have leakage.

5) Leakage shall be verified by the Contractor and the Contracting Officer.

6) Locate and repair leaking joints with new materials and repeat test until leakage is within allowed limits. All visible leaks are to be repaired regardless of the amount of leakage.

d. Examination: All exposed pipe, fittings, valves, and joints shall be carefully examined. Any cracked or defective pipe, fitting, or valve discovered shall be repaired or replaced by the Contractor at his own expense with new material and the test repeated until satisfactory to the Contracting Officer.

3. Results

a. The Contractor shall furnish a written report to the Contracting Officer describing the results of each test. The report must identify the specific portions of the pipeline tested, the pressure, the duration of the tests, and the amount of leakage.

3.5 CLEANING AND DISINFECTION

a. Shall be done by the Government.

SELECTIVE DEMOLITION

02224-1

SECTION 02224

PART 1 GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of demolition, removal, and disposal of all concrete tables and bases, wood / concrete barricades, kiosk, gravel pave, hydrant sumps, and south toilet building with associated vaults. Works also consists of demolition, removal and disposal of grills, fire rings, sign bases, and culverts as identified on demolition plan.

1 .2 RELATED WORK

A. Section 01009 – General Information and Requirements

1 .3 SUBMITTALS

A. As specified in Section 01009.

B. Submit schedule showing sequence of work and methods of demolition.

1 .4 QUALITY ASSURANCE

A. Comply with safety requirements for demolition, ANSI A10 .6-90.

1 .5 PROJECT CONDITIONS

A. Keep dust and dirt pollution to a minimum.

B. Ensure safety of persons in demolition area. Provide temporary barricades as required.

C. Provide adequate fire protection. Keep area clear of hazardous substances and debris.

D. Protect surrounding structures form damage.

1 .6 SCHEDULING

A. Complete demolition that might damage new construction before starting new work.

PART 2 PRODUCTS

(NOT USED).

PART 3 EXECUTION

3 .1 PREPARATION

02224-2

A. Provide temporary supports and protection for structures or materials to remain or be relocated.

Protect nearby structures and vegetation as necessary.

B. Cap existing sewer and water until new plumbing has been run.

3 .2 DEMOLITION

A. Work systematically from beginning to end of the site roads.

B. Site shall be closed during all phases of construction including demolition. All labor, material and signage required to close the site is the responsibility of the contractor.

3 .3 SALVAGE

A. Items to be Salvaged: Any item identified by the Contractor as salvage material shall become the property of the Contractor and the Contractor’s responsibility for removal and disposal. All expenses for disposal of materials shall be the responsibility of the Contractor.

B. Items to be Reused: Selected fire rings, grills, and hydrants.

3 .4 RESTORATION AND CLEAN-UP

A. Repair and clean adjacent surfaces damaged or soiled by demolition work.

B. Restore culinary water to normal operation.

C. Remove equipment, temporary protection and barriers, and debris.

CLEARNING AND GRUBBING

02231-1

SECTION 02231

CLEARING AND GRUBBING

A. Section Includes: Clearing of vegetation, and debris; disposal of unutilized materials; and other incidental work related to preparing the site for later use.

B. Related Sections: General Information and Requirements Section 01009

A. Clearing: Clearing shall consist of the felling, trimming, and cutting of obstructions such as brush into sections and the satisfactory disposal of the brush and other surface vegetation designated for removal, including down brush, and rubbish occurring in the areas to be cleared.

B. Grubbing: Grubbing shall consist of the removal and disposal of below-surface roots larger than

3-inches (75 millimeters) in diameter, and matted roots from the designated grubbing areas.

1.3 PROJECT/SITE CONDITIONS

A. Work Limits: Work limits will be staked and control points established by the Government as specified in the drawing, as stated in these specs, or as approved by the Contracting Officer.

B. Scalping of topsoil during clearing operations will not be permitted.

C. Burning of Slash: Shall not be permitted.

D. Landscape Preservation: Protect vegetation outside the work limits from injury. Existing trees and shrubs shall not be disturbed or damaged.

2.1 EQUIPMENT

A. Spark Arresters: Shall meet the requirements of the U.S. Forest Service Spark Arrester Guide, Volume 2, dated 1993.

3.1 PROTECTION

A. Utility Lines: It is the Contractor’s responsibility to identify and protect existing utility / water lines in the area of work. Notify the Contracting Officer immediately of damage to, or an encounter with, an unknown existing utility line. The Contractor shall be responsible for the repairs of damage to existing utility lines / water lines.

CLEARNING AND GRUBBING

02231-2

3.2 CLEARING

A. Requirements: Clear roots, brush, and other vegetation in areas to be graded; Clearing shall also include the removal and disposal of existing obstructions that obtrude, encroach upon, or otherwise obstruct the work. Care is to be done in a fashion not to disturb any unnecessary vegetation.

3.3 GRUBBING

A. Requirements: Material to be grubbed, together with logs and other organic or metallic debris not suitable for foundation purposes shall be removed. Depressions made by grubbing shall be filled with suitable material and compacted to make the surface conform to the original adjacent surface of the ground.

3.4 DISPOSAL

A. Requirements: Excess material shall be disposed of by the Contractor in a legal manner.

EARTH WORK

02300-1

SECTION 02300

EARTHWORK

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Unauthorized excavation consists of excavation below subgrade elevations or beyond indicated lines and dimensions without direction by the Contracting Officer. Unauthorized excavation, as well as remedial work directed by the Contracting Officer, shall be without additional compensation.

B. Submittals: Samples for fill and rip rap.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Satisfactory Soil: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, and SM;

free of rock or gravel larger than 4 inches in any dimension, debris, waste, frozen materials, vegetation, or other deleterious matter.

B. Unsatisfactory Soil: ASTM D 2487 Soil Classification Groups GC, SC, ML, MH, CL, CH, OL, OH, and PT.

C. Backfill and Fill: Satisfactory soil materials.

D. Engineered Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; with at least 90 percent passing a 3-inch sieve and not more than 12 percent passing a No. 200 sieve. Some native soils from excavated areas may be used upon approval by the government. See plans for possible locations.

E. Base Course: See section 01019 Government Furnished Property and Section 02730 Aggregate Surfacing.

F. Rip-Rap: Narrowly graded mixture of crushed stone, or crushed or uncrushed gravel. D50=10” with largest stone 1.5 times D50. Color shall be similar to the base course and surrounding stone.

EARTH WORK

02300-2

PART 3 - EXECUTION

3.1 EARTHWORK

A. Protect and maintain erosion and sedimentation controls during earth moving operations.

B. Protect subgrades and foundation soils from freezing temperatures and frost. Remove temporary protection before placing subsequent materials.

C. Prevent surface water and ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area.

D. Excavate to subgrade elevations regardless of character of materials and obstructions encountered.

E. Plow strip or break up sloped surfaces steeper than 1 vertical to 4 horizontal to receive fill.

F. When subgrade or existing ground surface to receive fill has a density less than that required for fill, break up ground surface, pulverize, moisture-condition or aerate soil, and recompact.

G. Place backfill and fill in layers not more than 8 inches in loose depth at optimum moisture content. Compact each layer under walkways to 95 percent of maximum dry unit weight according to ASTM D 698; elsewhere to 85 percent.

H. Grade areas to a smooth surface to cross sections, lines, and elevations indicated. Grade walkways, and unpaved subgrades to tolerances of plus or minus ½ inch.

I. Under walkways, place base course material on prepared subgrades and compact at optimum moisture content to required grades, lines, cross sections, and thicknesses.

J. Allow testing agency to inspect and test each subgrade and each fill or backfill layer and verify compliance with requirements.

K. Remove surplus satisfactory soil and waste materials, including unsatisfactory soil, trash, and debris, and legally dispose of them off site.

END OF SECTION 02300

SITE GRADING

02310-1

SECTION 02310

A. Section Includes: excavating, filling, grading, and other related work to prepare the site.

A. 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 145 kW (195 net horsepower) or less shall be considered common excavation.

B. Muck Excavation: Shall consist of the removal and disposal of deposits of saturated or unsaturated mixtures of soils and organic matter not suitable for foundation material regardless of moisture content.

C. 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 QUALITY ASSURANCE

A. Failure Criteria: Not limited to the following:

1. Formation of pools of moisture where positive drainage is indicated on the drawings.

2. Settlement of fill.

1.4 PROJECT/SITE CONDITIONS

A. Work Limits: Work limits will be staked and control points established by the Government as stated in these specs or as approved by the Contracting Officer unless otherwise noted on the drawings.

B. Environmental Conditions: Do not attempt to grade frozen or saturated material. Wet down dry material to prevent dust.

See section 1019: Government-Furnished Materials.

3.1 EXAMINATION

02310-2

A. Verification of Conditions: Verify the grade elevations existing on the site. Notify the Contracting Officer immediately when adjustments are required to provide finish elevations indicated. Site drainage shall be considered of prime importance.

3.2 PREPARATION

A. Clearing: Section 02231 - Clearing and Grubbing.

3.3 INSTALLATION

A. Grades: When not otherwise indicated shall be level, or uniform slopes between points or between such points and existing finished grades. Abrupt change in slopes shall be rounded.

B. Compaction Methods: Fill material shall be spread over the full area of the cross section of the fill to an approximate layer thickness of 12 inches at the group site, site 6, 8, 10, and 11 and small area at other sites not noted on drawings. During placing and compacting of the fill material, the optimum moisture content shall be maintained by wetting or drying as required.

C. Frozen Material: Fill shall not be placed when either the material or the surface on which it is to be placed is frozen.

D. Homogeneous Mass: Successive loads of material shall be dumped on the earth-fill to produce the best practicable distribution of the material. 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.

3.4 FIELD QUALITY CONTROL

A. Testing: The contractor shall furnish necessary equipment, labor, and materials to conduct and document necessary quality testing.

B. Compaction: Fill material shall be compacted to a minimum density of 90 percent of the maximum dry density obtained by AASHTO T 99, Method C.

TRENCHING

02321-1

SECTION 02321

A. Section Includes: Trenching, backfilling, and compacting for the installation of utility lines.

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 hp or less shall be considered common excavation.

1.3 QUALITY ASSURANCE

A. Failure Criteria: Not limited to the following:

1. Settlement of backfill below natural ground surface.

2. Evidence of leakage of the piping.

3. Malfunctioning of buried electrical or piping systems.

1.4 PROJECT AND SITE CONDITIONS

A. Environmental Conditions:

1. Excavate areas that have become saturated with oil, gasoline, or bituminous products to a depth of 12 inches (300 mm) beyond contaminated materials; backfill with approved material.

2. The final surface shall be similar to a surface obtained and shall blend with the adjacent terrain.

2.1 MATERIALS

A. General: Material excavated shall be considered unclassified.

B. Fill Material: Shall be approved before use. Material from excavations 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 for backfill. Backfill shall not contain rock larger than 24 inches in diameter.

C. Bedding: Shall be sand, gravel, or other fine-grained and free-draining soil. Bedding will be

3/4-inch (19 mm) minus crushed or pit-run aggregate as shown on the drawings. Excavated material approved by the Contracting Officer, with a general size under 3/4 an inch (19 mm), should be used.

02321-2

3.1 PREPARATION

A. Clearing: Clearing and grubbing shall be according to Section 02231 - Clearing and Grubbing.

B. Utilities: Before starting excavation, it is the Contractor’s responsibility to contact the utility location services and establish the location and extent of underground utilities in the work area.

Protect active utility services uncovered by excavation. Notify the Contracting Officer immediately if utilities are damaged. Damage to utilities shall be repaired or replaced at the Contractor's expense.

C. Cutting Pavement: Make cuts with parallel, straight lines, no wider than necessary for project.

3.2 INSTALLATION

A. General:

1. Restore disturbed areas of existing bituminous pavements.

2. Restore disturbed areas of existing concrete structures.

3. Do not install bedding material above water systems until system testing is completed and approval granted by the Contracting Officer.

B. Trench Excavation: Shall be as shown on the drawings. Pipe shall be 3 feet (1500 mm) below natural ground except drainpipes which are daylighted or indicated otherwise on the drawings.

Excavate trenches in rock to a depth of at least 4 inches (100 mm), but not exceeding 12 inches, (300 mm) below pipe bottom.

1. When over-excavation occurs, repair the area by backfilling with approved bedding material and compacting.

2. When soil becomes saturated above the optimum moisture content, compact after it has dried, or remove soil down to firm material and place backfill before construction proceeds.

C. The use of explosives is prohibited.

D. Bedding: Shall be placed as shown on the drawings

E. Trench Backfill: After testing and approval of interconnected piping system, the trench backfilling shall be completed. Where shown on the drawings, six inches of 3/4-inch minus backfill, shall be placed without compaction. Puddling or flooding of trench for consolidation of backfill or use of wheel rolling by construction equipment will not be permitted.

1. Provide uniform and continuous support for each section of pipe. Place backfill in

8-inch maximum loose lifts to a depth of 3 feet (300 mm) over the top of the pipe.

Compact to 95 percent maximum dry density as determined by AASHTO T 99, Method C. Prevent lateral displacement during compaction.

02321-3

F. Utility Line Marking: Shall be the Contractor’s responsibility. .

3.3 FIELD QUALITY CONTROL

A. Furnish necessary equipment, labor, and materials to conduct the testing. Testing shall be conducted in the presence of the Contracting Officer, who shall be given 48 hours notice before any test is to be conducted.

B. Testing of Pipe Lines: Shall be done according to Section 02518 - Testing of Piping Systems.

RIPRAP

02372-1

SECTION 02372

A. The work of this section consists of furnishing and placing stone riprap for embankment protection.

1 .2 SUBMITTALS

A. As specified in Section 01009.

B. One sample of stone proposed for use.

C. Manufacturer's installation instructions for geotextile fabric.

PART 2 PRODUCTS

2 .1 GEOTEXTILE FABRIC:

A. Permeable synthetic material, having the following properties:

PROPERTY TEST METHOD VALUES

Grab tensile strength, pounds ASTM D1682-64 120 minimum

Grab elongation, percent ASTM D1682-64 25

Burst strength, psi ASTM D751-79 200 minimum

B. Provide securing pins recommended by fabric manufacturer.

2 .2 RIPRAP

A. Well-graded quarry stones, sound and hard, resistant to water and weathering. Stones shall be a minimum of 0.5 cubic foot; 75 percent shall be 0.75 cubic foot or larger. Maximum size shall be

1.0 cubic feet.

B. Color: Shall be selected by government. Target color to be a gray stone similar to the native granite in area or approved equal.

PART 3 EXECUTION

3 .1 EXCAVATION

02372-2

A. Excavate foundation as shown and as specified in Section 02318. Obtain Contracting Officer's approval of foundation before placing geotextile fabric or riprap. Repair or replace fabric that has been damaged due to stone placement. Re-lay fabric that becomes displaced during stone placement.

3 .2 GEOTEXTILE FABRIC

A. Place on smooth, uniform slope, loosely enough to conform to minor surface irregularities.

Follow manufacturer's recommendations for making laps and for fastening and securing.

3 .3 LOOSE RIPRAP

A. Dump stones into place to form the cross section shown. The exposed surface of riprap shall be reasonably uniform and free from bulges, humps, or cavities.

3 .4 HANDLAID RIPRAP

A. Place largest rocks at bottom of slope. Arrange by hand to interlock and form a substantial bond.

Use spalls to fill voids.

CULVERT

02640-1

SECTION 02640

1.01 SUMMARY:

Section Includes:

A. Furnishing and installing High Density Polyethylene (HDPE) corrugated culverts.

B. Related Sections:

General Information and Requirements Section 01009

1.02 REFERENCES:

A. American Society for Testing and Materials

1. ASTM D 2321, “Standard Practice for Underground Installation of Thermoplastic Pipe for

Sewers and Other Gravity Flow Applications”.

2. ASTM 2306 Type S Corrugated and Smooth Lined Pipe & Fittings

B. American Association of State Highway and Transportation Officials.

1.03 SUBMITTALS:

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

B. Manufacturer's Literature: Submit 3 copies of the manufacturer's descriptive data including design data for HDPE Culverts.

1.04 QUALITY ASSURANCE:

A. HDPE pipe shall conform to ASTM F 2306 latest edition.

2.01 MATERIALS:

A. High Density Polyethylene (HDPE) Corrugated and Smooth Lined Pipe & Fittings shall be manufactured in accordance with requirements of ASTM F 2306, latest edition. Type S: This pipe shall have a full circular cross section, with an outer corrugated pipe wall and a smooth inner wall.

B. High Density Polyethylene (HDPE) Corrugated and Smooth Lined Pipe shall be manufactured from virgin PE compounds which conform with the requirements of cell class 435400C as defined and described in ASTM D 3350.

02640-2

C. Minimum Pipe Stiffness (PS) at five percent deflection shall be as described in ASTM F 2306, Section 6.3 when tested in accordance with ASTM D 2412.

D. All HDPE Corrugated and Smooth Lined Pipe shall be certified through the AASHTO National

Transportation Product Evaluation Program (NTPEP) 3 rd

Party Certification program.

2.02 SOURCE QUALITY CONTROL:

A. HDPE Culvert shall be model N-12 HP ST IB soil tight corrugated and smooth lined pipe by ADS.

B. Material Marking: Material to be used in the fabrication process shall be labeled, marked, or otherwise segregated from differing material.

3.01 PREPARATION:

A. Clearing: Shall be according to Section 02231 - Clearing and Grubbing.

B. Excavation and Backfill: Initial excavation for corrugated culvert may be made with power equipment, but over excavation shall be avoided. Over-excavated areas shall be backfilled. Place backfill in layers not exceeding 6 inches thickness, and mechanically or manually compact each layer before placing the new layer.

3.02 INSTALLATION:

A. Pipe shall be placed in the bed starting at the downstream end. Trenches shall be excavated in such a manner as to insure that the trench sidewalls will be stable under all working conditions. Trench walls shall be sloped or supported in conformance with generally accepted safety standards.

Trench details, including foundation, bedding, initial backfill, and final backfill are shown on drawings.

B. Trench width shall be in accordance with ASTM D2321 and shall be sufficient to ensure working room to properly and safely place and compact backfill materials. Minimum trench width shall not be less than 1.25 times the pipe outside diameter plus 12 inches, (1.25 x O.D. + 12”).

C. Bedding material shall meet the requirements of ASTM D2321 Class I or Class II material. A minimum of 4” of bedding shall be provided prior to placement and shall be loosely compacted.

Bedding material size shall be 1½” maximum granular material. Initial backfill material shall meet the same requirements as the bedding material and shall extend to 6 inches above the top of the pipe. Native material may be used for bedding and back fill material if it meets the above requirements.

D. Back Fill Material shall be placed in 6 inch lifts and compacted to a minimum 90% Standard

02640-3

Proctor Density. The descriptions for Class I, II and III material are as shown below:

Class I - Angular crushed stone or rock, dense or open graded with little or no fines (1/4 inch to 1 1/2 inches in size)

Class II - Clean, coarse-grained material, such as gravel, coarse sands and gravel/sand mixtures (1 1/2 inches maximum in size).

E. In areas not supporting a complete roadbed section, the final backfill material may consist of the natural topsoil and / or other natural material originally excavated from the site. In these areas, the backfill shall be placed in uniform layers and compacted to meet the density requirements as shown in the plans. Backfill material with large lumps or material that cannot be spread evenly may be rejected.

F. Minimum cover is 18 inches below the top of the finished grade Extreme care should be taken when heavy construction equipment loads cross the pipe trench during construction. If the passage of construction equipment over an installed pipeline is necessary during construction, compacted fill in the form of a ramp shall be constructed to a minimum elevation of three (3.0’) feet over the top of the pipe. Any damaged pipe shall be replaced at the contractor’s expense. Joints shall be installed such that the connection of pipe sections will form a continuous line free from irregularities in the flow line.

AGGREGATE SURFACING

02730-1

SECTION 02730

A. Section Includes: This work shall consist of furnishing, placing and compacting Government furnished crushed stone courses on a prepared roadbed in accordance with these specifications and in reasonably close conformity with the lines, grades, thickness, and typical cross section shown on the plans or established by the Contracting Officer.

PART 2: MATERIALS

2.1 GENERAL REQUIREMENTS

A. Crushed Aggregate: See section 01019 Government Furnished Property.

2.2 SPECIFIC REQUIREMENTS

A. Surface and Base Aggregates: See attached certification of Government Furnished Base Course.

B. Quality Control: The Contracting Officer may conduct quality control reviews to determine the reliability of the certifications. If the reviews indicate that the certifications are not reliable, acceptance by certification will be discontinued.