Attachment 2 - Forest Wide Restroom Site Improvements Specifications.pdf

SPECIFICATIONS

FOR

CORONADO NATIONAL FOREST

FOREST WIDE RESTROOM SITE IMPROVEMENTS

April 25, 2024 ii iii

TABLE OF CONTENTS

DIVISION 1 – GENERAL REQUIREMENTS

01010 - SCOPE OF WORK

1.1 – Definitions

1.2 – Description

1.3 – Location and Conditions

1.4 – Schedule

1.5 – Contract Administration

1.6 – Quality of Work

1.7 – Codes and Standards

1.8 – Special Construction Requirements

1.9 – Contract Closeout

01020 – MEASUREMENT & PAYMENT

1.1 – Measurement & Payment

01030 – CONSTRUCTION STAKING

1. 1 – Scope

3. 1 – General

01040 - MOBILIZATION

1.1 – Summary

01050 – SUBMITTALS

1.1 – General

2.1 – Description

2.2 – Products

01060 – QUALITY CONTROL

1.1 – General

DIVISION 2 – SITE WORK

02010 – DEMOLITION AND CLEARING

1.1 – Description

2.1 – Not Used

3.1 – Preparation iv

3.2 – Protection

3.3 – Clearing

3.4 – Removal

02020 – EARTHWORK

1.1 – Description

2.1 – Fill Materials

3.1 – Preparation

3.2 – Excess Water Control

3.3 – Compaction

3.4 – Finish Grading

02030 – SURFACING

1.1– Description

1.2 – Related Specifications

1.3 – Quality Assurance

1.4 – Submittals

1.5 – Dust Control

2.1 – Materials

3.1 – Preparation

3.2 – Clean Up

02040 – FINISH GRADING

1.1– Description

1.2 – Site Conditions

2.1 – Materials

3.1 – Preparation

3.2 – Excess Water Control

3.3 – Finish Grading

02050 – AGGREGATE BASE

1.1– Description

1.2 – Submittals

1.3 – Quality Assurance

2.1 – Aggregate

3.1 – Placing v

3.2 – Mixing

3.3 – Compaction

3.4 – Surface Finishing

3.5 – Material Acceptance Requirements

3.6 – Tolerances

3.7 – Maintenance

02055 – PADS AND PATHS

1.1– Description

1.2 – Quantities of Pads and Path

1.3 – Job Conditions

2.1 – Treated Lumber

2.2 – Reinforcing Bars

2.3 – Surface Material

2.4 – Borrow Material

2.5 – Fasteners

2.6 – Soil Stabilizer

3.1 – Site Clearing

3.2 – Treated Lumber

3.3 – Reinforcing Bars (re-bar)

3.4 – Surface Material

3.5 – Stockpiling

02060 – WATER DISTRIBUTION

1.1– Summary

1.2 – Submittals

1.3 – Quality Assurance

1.4 – System Performance Requirements

1.5 – Project Conditions

1.6 – Delivery, Storage and Handling

2.1 – General

2.2 – High Density Polyethylene (HDPE) Pipe

2.3 – Galvanized Steel Pipe (GSP)

2.4 – PVC, Schedule Pipe vi

2.5 – Couplings for Similar or Dissimilar Pipe

2.6 – Riprap at Daylight Drain and Wash Crossing

2.7 – Ball Valves

2.8 – Valve Boxes

2.9 – Underground Detection Tape

2.10 – Water Meter

2.11 – Backflow-Prevention Devices

3.1 – Pipe Alignment and Grade

3.2 – General

3.3 – Excavation, Trenching, and Bedding

3.4 – Cutting and Handling of Pipe

3.5 – Laying Pipe

3.6 – HDPE Installation

3.7 – PVC Pipe Installation

3.8 – Joint Construction (General)

3.9 – Joint Construction (Standards)

3.10 – Pipe Sleeve Installation

3.11 – Tracer Wire

3.12 – Branch Connections

3.13 – Ball Valve Installation

3.14 – Valve Box Installation

3.15 – Water Meter Installation

3.16 – Backflow Preventer Installation

3.17 – Daylight Drain

3.18 – Backfilling and Waterline Marking

3.19 – Final Pipe Cleaning and Flushing

3.20 – Pressure Testing Waterlines

3.21 – Disinfection of Waterlines

02070 – UTILITY LINE MARKING

1.1– Description

1.2 – Submittals

2.1 – Distributors vii

2.2 – Marking Tape

3.1 – Marking Tape

02080 – UTILITY TRENCHING AND BACKFILING

1.1– Summary

1.2 – Definition

1.3 – Quality Assurance

1.4 – Submittals

1.5 – Project Conditions

1.6 – Excavation Classification

2.1 – General

2.2 – Materials for Backfilling

2.3 – Utility Line Marking

3.1 – Trench Excavation

3.2 – Shoring and Sheeting

3.3 – Backfilling

3.4 – Repair/Restoration

DIVISION 3 – CONCRETE

03000 – PORTLAND CEMENT CONCRETE

1.1 - Summary

1.2 – References

1.3 – Submittals

1.4 – Quality Assurance

1.5 – Environmental Requirements

2.1 – Form Materials

2.2 – Concrete Materials

2.3 – Accessories

2.4 – Concrete Mix

3.1 – Examination

3.2 – Preparation

3.3 – Forming

3.4 – Placing Concrete

3.5 – Joints viii

3.6 – Finishing

3.7 – Tolerances

3.8 – Field Quality Control

3.9 – Protection

03010 –CONCRETE FORMWORK

1.1 - Summary

1.2 – References

1.3 – Design Requirements

1.4 – Quality Assurance

1.5 – Qualifications

1.6 – Regulatory Requirements

1.7 – Delivery, Storage, And Handling

1.8 – Coordination

2.1 – Wood Form Materials

2.2 – Prefabricated Forms

2.3 – Formwork Accessories

3.1 – Examination

3.2 – Erection Formwork

3.3 – Form Release Agent Application

3.4 – Inserts, Embedded Parts And Openings

3.5 – Form Cleaning

3.6 – Formwork Tolerances

3.7 – Field Quality Control

3.8 – Form Removal

03020 –CONCRETE REINFORCEMENT

1.1 - Summary

1.2 – References

1.3 – Submittals

1.4 – Quality Assurance

1.5 – Coordination

2.1 – Reinforcement

2.2 – Accessory Materials ix

2.3 – Fabrication

3.1 – Placement

03030 – CAST-IN-PLACE CONCRETE

1.1 - Summary

1.2 – Quality Assurance

1.3 – Submittals

2.1 –Materials

2.2 – Mixes

3.1 – Subgrade Preparation

3.2 – Preparation For Concrete Placement

3.3 – Formwork

3.4 – Reinforcement

3.5 – Accessory Materials

3.6 – Joints

3.7 – Placing Concrete

3.8 – Hot Weather Requirements

3.9 – Cold Weather Requirements

3.10 – Removal of Forms

3.11 – Finishing

3.12 – Cement Mortar

3.13 – Curing

3.14 – Defective Materials And Concrete

3.15 – Protection Of Completed Work

3.16 – Cleaning

DIVISION 4 – MASONRY

04000 – MORTAR

1.1 - Summary

1.2 – Submittals

1.3 – Delivery, Storage and Handling

1.4 – Project Conditions

2.1 – Materials

2.2 – Mortar Proportions (Measured by Volume) x

3.1 – Mixing General

3.2 – Mixing Pointing Mortar

3.3 – Mixing Setting Mortar

04010 – CONCRETE UNIT MASONRY ASSEMBLIES

1.1 - Summary

1.2 – Submittals

1.3 – Delivery, Storage and Handling

1.4 – Project Conditions

2.1 – Materials

3.1 – Installation

3.2 – Construction

DIVISION 10 – SPECIALTIES

10000 – PEDESTAL GRILL

1.1 – Summary

1.2 – Submittals

1.3 – Delivery, Storage, and Handling

2.1 – Pedestal Grill

3.1 – Installation

10005 – PICNIC TABLE

1.1 – Summary

1.2 – Submittals

1.3 – Delivery, Storage, and Handling

2.1 – Tables

3.1 – Installation

10010 – WATER HYDRANTS

1.1 – Summary

1.2 – Location

1.3 – Submittals

2.1 – Post

2.2 – Pipe and Fittings

2.3 –Water Faucet

2.4 – Hose Bibb xi

2.5 – Vacuum Breaker

2.6 – Concrete Hydrant Pad

2.7 – Washed Rock

3.1 – Water Hydrants

DIVISION 1 – GENERAL REQUIREMENTS

01010 - SCOPE OF WORK

PART 1 – GENERAL

1.1 – Definitions

Contractor – the successful bidder who is awarded the contract.

Government – the Contracting Officer (CO) or designated Contracting Officer’s Representative (COR) of the Coronado National Forest.

1.2 – Description

Contractor shall furnish all materials, equipment, transportation, labor, supervision, and other associated work necessary to complete work according to the Drawings and Specifications.

Work associated with this project shall consist of improving restroom sites at nine (9) locations around the Forest. The site improvements include reinforced concrete low water crossing, concrete block retaining wall, reinforced concrete sidewalks, decomposed granite pad and walking path, pedestal grills, picnic tables, and water hydrants with accompanying concrete pad and drain pit.

Scope of work includes:

1. Sabino Canyon Turnaround: Reinforced concrete low water crossing, concrete block retaining wall, reinforced concrete sidewalk, and water hydrant with accompanying concrete pad and drain pit.

2. Proctor: Reinforced concrete sidewalk, and water hydrant with accompanying concrete pad and drain pit.

3. Whitehouse: Reinforced concrete sidewalk, decomposed granite pad, one (1) picnic table, and one (1) pedestal grill.

4. Madera Trailhead: Reinforced concrete sidewalk, decomposed granite pad, one

(1) picnic table, and one (1) pedestal grill.

5. Parker Canyon Lake: Reinforced concrete sidewalk.

6. Cochise Stronghold: Reinforced concrete sidewalk.

7. Rustler Park: Decomposed granite walking path.

8. Upper Arcadia: Reinforced concrete sidewalk, and water hydrant with accompanying concrete pad and drain pit.

9. Noon Creek: Reinforced concrete sidewalk, decomposed granite pad, one (1) picnic table, and one (1) pedestal grill.

1.3 – Location and Conditions

Work will take place at nine (9) sites throughout the Coronado National Forest in Arizona.

1. Sabino Canyon Turnaround: Physical address 5700 N Sabino Canyon Rd., Tucson, AZ 85750. Restroom is located within the Sabino Canyon Recreation Area behind locked gate and is only accessible with a FS escort. Pima County. Township 13 South, Range 15 East & Section 9. Latitude: 32.313399°; Longitude: -110.812124°.

2. Proctor: From Tucson, Arizona, travel south on I-19 for approximately thirty-five

(35) miles to the Continental Road exit (Exit 63) in Green Valley, Arizona. Turn left (east) on Continental Road and go approximately one (1) mile to the junction with the Madera Canyon/White House Canyon Road. Turn right (southwest) and travel approximately eleven (11) miles to the entrance of the Proctor Picnic Area. Santa Cruz County. Township 19 South, Range 14 East & Section 35. Latitude:

31.7411409°; Longitude: -110.886831°.

3. Whitehouse: From Tucson, Arizona, travel south on I-19 for approximately thirty-five (35) miles to the Continental Road exit (Exit 63) in Green Valley, Arizona. Turn left (east) on Continental Road and go approximately one (1) mile to the junction with the Madera Canyon/White House Canyon Road. Turn right (southwest) and travel approximately twelve (12) miles to the Whitehouse Picnic Area. Santa Cruz County. Township 19 South, Range 14 East & Section 35. Latitude: 31.73347°;

Longitude: -110.882538°.

4. Madera Trailhead: From Tucson, Arizona, travel south on I-19 for approximately thirty-five (35) miles to the Continental Road exit (Exit 63) in Green Valley, Arizona. Turn left (east) on Continental Road and go approximately one (1) mile to the junction with the Madera Canyon/White House Canyon Road. Turn right (southwest) and travel approximately thirteen (13) miles to the Madera Picnic Area on left hand side. Santa Cruz County. Township 19 South, Range 14 East & Section 35. Latitude: 31.726888°; Longitude: -110.88040°.

5. Parker Canyon Lake: From Tucson, travel east on Interstate 10 to State Route 83 (exit 281) and turn south fifty (50) miles through Sonoita to Parker Canyon Lake.

Restroom is the one closest to the store. Cochise County. Township 23 South, Range 19 East & Section 18. Latitude: 31.424424°; Longitude: -110.448622°.

6. Cochise Stronghold: From Tucson, take 1-10 east for approximately seventy-two

(72) miles to US 191. Turn right (south) on US 191 and drive eighteen (18) miles to Ironwood Road. Turn right (west) on Ironwood Road and drive about nine (9) miles to the Cochise Stronghold Campground and the Cochise Trailhead.

Restroom is at end of campground. Cochise County. Township 17 South, Range 23 East & Section 26. Latitude: 31.9220098°; Longitude: -109.9675653°.

7. Rustler Park: From Tucson, take I-10 east eighty-one (81) miles. Turn right (south) on AZ 186 and continue for thirty-three (33) miles. Turn left (east) on AZ 181 toward Chiricahua National Monument and drive three (3) miles, then turn right (south) on Forest Road 42. Continue up FR 42 (Pinery Canyon) twelve (12) miles to Forest Road 42D. Turn right at Onion Saddle and drive approximately 2.5 miles to Rustler Park Campground. Restroom is located at the end of campground loop.

Cochise County. Township 17 South, Range 30 East & Section 33. Latitude:

31.9051°; Longitude: -109.27985°.

8. Upper Arcadia: From Tucson, Arizona: Take I-10 east for ninety (90) miles. Take exit 352 for US 191 and turn left toward Safford. Drive 26.3 miles north and turn left on AZ 366/Swift Trail. Turn left (southwest) onto AZ 366 and drive 11.6 miles.

Turn right on the road 0.1 mile past the entrance to Arcadia Campground.

Graham County. Township 9 South, Range 25 East & Section 18. Latitude:

32.6483762°; Longitude: -109.820315°.

9. Noon Creek: From Tucson, Arizona: Take I-10 east for ninety (90) miles. Take exit 352 for US 191 and turn left toward Safford. Drive 26.3 miles north and turn left on AZ 366/Swift Trail. Turn left (southwest) onto AZ 366 and drive approximately seven (7) miles. The picnic area is on the right-hand side of the road. Graham County. Township 9 South, Range 25 East & Section 9. Latitude: 32.6682°;

Longitude: - 109.79669°.

It will be the Contractor’s responsibility to familiarize themselves with the existing conditions and notify the Government of any discrepancies shown in these documents.

For delivery of materials and other construction-related items, the Contractor shall coordinate with Contracting Officers Representative (COR) and is advised to determine safe vehicle lengths and load limits for roads that access the site.

1.4 – Schedule

A pre-work meeting for clarification of the project will be held if needed or desired by either the contractor or the Government.

A schedule for all work must be submitted to and approved by the Government prior to construction beginning.

The Contractor shall notify the Forest Service three (3) days in advance of any survey work and seven (7) days in advance of any construction work.

All work shall be completed within 120 days of award.

1.5 – Contract Administration

The Contractor shall be fully responsible for seeing that construction activities conform to the approved final drawings and specifications and according to provisions of this contract.

The Government will provide timely reviews as requested by the Contractor and may periodically review work at any time.

Construction quality control shall include supplying all the personnel, equipment, and documentation necessary to ensure that construction is completed in compliance with the drawings and specifications and provisions of the contract.

The Contractor shall not disturb plants, soil, or other site features except within the areas necessary to complete the work. The Contractor shall clearly stake limits of construction and maintain marks throughout construction. The Government will review all staking.

1.6 – Quality of Work

The products listed in the specifications are preferred products chosen for building compatibility and quality. However, equal or better alternatives submitted by the Contractor will be considered and are encouraged.

Use recovered materials, recyclable materials, and environmentally preferable products and services where possible as per Executive Order 13423.

1.7 – Codes and Standards

Codes and standards of the following associations and listed publications will become part of this contract:

1. International Building Code (IBC)

2. American Concrete Institute (ACI)

3. National Electrical Code (NEC)

4. International Mechanical Code (IMC)

5. International Fire Code (IFC)

6. Americans with Disability Act Standards (ADA) for Accessible Design

7. Occupational Health and Safety Administration (OSHA) Standards

8. American Society for Testing and Materials (ASTM)

9. American National Standards Institute (ANSI)

10. Standardized Specifications for Paints and Coatings (SSPC)

11. International Organization for Standardization (ISO)

12. National Sanitary Foundation (NSF)

13. Arizona Department of Transportation Structures Section Standard Drawings (ADOT B-Standards)

All materials, workmanship, and designs shall meet specified requirements of the standards referenced in this section and other local or state codes, related to this type of work, whichever is more stringent.

If a particular item is not covered by a standard, it shall be proven by certified test by a reputable laboratory to be capable of performing satisfactorily, at no additional cost to the Government.

1.8 – Special Construction Requirements

Government shall flag all items for salvage: NO ITEMS TO BE SALVAGED.

Upon completion of the project, all demolished improvements and other construction materials shall be removed from Government land and disposed of in accordance with State and County standards.

All site features to remain shall be protected from damage during the project. Any damage to site features shall be repaired to their original condition at the cost of the Contractor.

Protect trees and large vegetation to remain. No live trees are to be cut unless designated on the drawings. Dead trees and stumps may be removed. Tree limbs may be trimmed as necessary.

Construction Access and Protection: The Contractor shall be responsible for securing the project area from the public and government personnel. This includes providing the necessary security for protection of the Contractor's materials, equipment, tools and work until final acceptance by the Government. The Contractor shall also provide sufficient signs, barriers, barricades, markers, etc. to warn of hazardous conditions and to protect people from injury.

Equipment and Material Storage: The Contractor shall obtain permission from the Government for equipment and material storage, and for other areas needed for construction.

Utilities: Electricity and water are NOT AVAILABLE on site.

Sanitation/Garbage: The Contractor may use existing Forest Service restrooms at nearby recreation sites. No garbage service is available for Contractor use. The Contractor shall keep the construction site free of loose garbage at all times.

1.9 – Contract Closeout

Remove temporary facilities and provide final cleaning and touch-up. Restore portions of buildings, site improvements, landscaping, and other items damaged by construction operations to the satisfaction of the Government at no additional expense to the Government.

*** END OF SPECIFICATION 01010 ***

01020 – MEASUREMENT & PAYMENT

1.1 – Measurement & Payment

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 the completion of the items shown and no separate payment will be made.

*** END OF SPECIFICATION 01020 ***

01030 – CONSTRUCTION STAKING

1. 1 – Scope

This section specifies construction staking required for all construction needs.

PART 2 – PRODUCTS

None.

PART 3 – EXECUTION

3. 1 – General

The Contractor shall set all flagging, stakes, nails and string lines etc. necessary to construct a complete project as SHOWN ON THE DRAWINGS. The Contractor is responsible for verifying any existing control points shown on the plans. The Contractor shall be responsible for maintaining all staking and for replacing any stakes lost or destroyed during their use period. Construction work shall not begin on an item until the staking for that item has been approved by the Government. This approval will not relieve the Contractor of the responsibility and the associated costs for correcting any errors, whether the errors are discovered during the performance of the survey or during subsequent phases of the project.

***END OF SPECIFICATION 01030***

01040 - MOBILIZATION

1.1 – Summary

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

***END OF SPECIFICATION 01040***

01050 – SUBMITTALS

PART 1 – REQUIREMENTS

1.1 – General

It will be the Contractor's responsibility to submit all items with such promptness as to cause no delay in the work. Approvals must be obtained before starting work which involves the item. Contractor shall allow 5 days for processing of submittals by the Government. Submittals may also be referred to as shop drawings.

PART 2 – MANUFACTURER’S LITERATURE AND SHOP DRAWINGS

2.1 – Description

The Contractor shall submit one copy of all submittals to the Government for approval on the items required herein. For each submittal, the Contractor must receive written approval from the Government to use the item before incorporating it into the project work. Literature must be marked or otherwise designated to show the exact model, size, etc. the Contractor proposes to use. Information must be adequate to determine compliance with the specifications. Approvals must be received for products differing from those described in the Government-supplied specifications.

Submittals will be waived if the Contractor furnishes the exact item used for design when the manufacturer's model, size, etc. are shown in the contract.

2.2 – Products

Certificates of compliance are required for the following:

1. Concrete.

2. Rebar.

3. Aggregate.

4. Decomposed granite.

5. Hydrant.

6. Pedestal grill.

7. Picnic table.

***END OF SPECIFICATION 01050***

01060 – QUALITY CONTROL

PART 1 – DESCRIPTION

1.1 – General

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. The contractor shall provide all personnel, equipment, tests, and reports necessary to meet the requirements of this specification.

PART 2 – CONSTRUCTION

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. The Contractor shall perform, or cause to be performed, the sampling, inspection, and testing required to substantiate that all supplies, services, and construction conform to the contract requirements.

A. Quality Control Plan

The Contractor shall submit the following in writing:

a. Authorities and responsibilities of inspection and testing personnel.

b. Experience and qualifications of inspection and testing personnel to be assigned and name and location of any (for hire) testing facility to be used.

B. Approval of Quality Control Plan

The Contractor's proposed quality control plan for all items requiring quality control shall be submitted to the Government for review prior to the Contractor commencing work. Within 5 days of receipt of plan, the Government shall notify the Contractor whether the plan adequately covers quality control requirements.

Construction work shall not be performed prior to Contractor's receipt of written approval of the proposed plan. The Contractor shall submit to the Government, in writing, any proposed changes in the approved quality control plan. Proposed changes shall not be put into effect until approved in writing by the Government.

The Contractor shall provide and maintain appropriate measuring and testing devices, equipment, and supplies to accomplish the required measurement, testing, and inspection in a timely manner. Tests, measurements, and certifications shall be made as required by the drawings and specifications. The Contractor shall take samples and perform inspections and tests necessary to achieve the quality of construction required by the contract.

C. Inspection and Tests

The Contractor shall maintain current records of all inspections and tests performed. The following format or one containing the following information will be acceptable to the Government:

Project Name Contract No Performed By

Item Test Date Location Standard Results Initials

D. As-Built Drawings

The Contractor shall maintain a set of the contract drawings depicting as-built conditions. These drawings shall be maintained in a current condition and shall be available for review. All variations from contract drawings shall be indicated in red on the drawings. Upon completion of the contract work, as-built drawings shall be submitted to the Government.

E. Frequencies for making approvals, inspecting, sampling and testing shall be as shown in Table 1400-1. Responsibilities shall be as shown in Table 1400-1. The following key refers to the abbreviations shown in Table 1400-1:

a. CC: Certification and/or inspection, sampling, and testing by Contractor, or Contractor's representative.

b. CL: Approvals, inspections, sampling, testing or measuring under the direction of and certification by a qualified employee of a certified lab or by a Registered Professional Engineer in the state of Arizona. The Contractor shall be responsible for furnishing the Professional services as shown in Table 1400-1.

TABLE 1400-1

QUALITY CONTROL, INSPECTION, SAMPLING, TESTING, AND MEASUREMENTS

Item

Approvals, inspections, sampling, minimum or tests required

Frequency

Certification

Fill Compaction test 1 total CL

Aggregate base Compaction test 1 total CL

Concrete Cylinder set 1 CL

Air entertainment test 1 CL

Slump 1 CL

***END OF SPECIFICATION 01060***

***END OF DIVISION 1***

DIVISION 2 – SITE WORK

02010 – DEMOLITION AND CLEARING

1.1 – Description

Comply with site-specific landscape and hardscape demolition requirements found in other sections and Drawings. The work shall consist of the following:

A. Removal of information kiosks.

B. Removal of surface debris and vegetation.

PART 2 – PRODUCTS

2.1 – Not Used

PART 3 – EXECUTION

3.1 – Preparation

A. Coordinate removal work with the Government.

B. Verify that existing plants designated to remain are identified and protected. Mark all trees to remain in a manner that indicates pre-demolition ground level and use marking system that does not damage trees to be so marked.

3.2 – Protection

A. Protect plants and features not required to be removed by construction activities.

B. Protect existing structures and features not required to be removed by construction from damage or displacement.

3.3 – Clearing

A. Do not remove any trees unless approved by the government.

B. If any archaeological artifacts or evidence is encountered, notify the Government and halt work in the area immediately.

3.4 – Removal

A. All construction debris, extracted plant life, facilities and materials scheduled for demolition must be completely removed off Government lands and disposed of legally by the Contractor.

B. The Contractor shall perform the work as shown on the drawings.

C. The Contractor shall be responsible for removal, equipment, containment, cleanup, and associated costs necessary for removing and salvaging items shown on the plans.

D. Fill all holes and restore grades wherever facilities or extracted plant life are removed.

E. Sawcut asphalt to be removed at joints as directed by Government: NO ASPHALT

TO BE REMOVED.

F. Restroom demolition shall be as follows: NO RESTROOMS TO BE DEMOLISHED.

***END OF SPECIFICATION 02010***

02020 – EARTHWORK

1.1 – Description

Supply and place fill material as required for finished grading at new picnic pads, new concrete low water crossing, and new concrete sidewalks around new restroom buildings.

Utilize site excavation prior to importing material for required fill operations.

PART 2 – PRODUCTS

2.1 – Fill Materials

A. Satisfactory Soils: ASTM D 2487 soil classification groups GW, GP, GM, SW, SP, and SM or a combination of these group symbols; free of rock or gravel larger than 3 inches in any dimension, debris, waste frozen materials, vegetation, and other deleterious matter.

B. Other acceptable fill material: Crushed aggregate, conforming to the requirements of AASHTO M147, Grade D.

3.1 – Preparation

A. The Contractor shall familiarize himself with all site conditions prior to the start of work and shall notify the Government of any discrepancies found between site conditions and the contract documents.

B. Scheduling:

a. Schedule all work in a careful manner with all necessary consideration for the public.

b. Avoid interference with the use of, and access to adjacent facilities.

3.2 – Excess Water Control

A. Finish grading operations shall be performed during dry weather. Soil shall not be in a wet condition.

B. All standing water shall be promptly removed. Finish grading shall not resume until conditions and approved by the Government.

C. The Contractor shall be responsible for positive drainage of all areas of work.

3.3 – Compaction

A. Compacted fill and backfill shall be placed with suitable equipment in horizontal layers not to exceed 9 inches in depth for rubber tired or vibratory rollers, 6 inches for tamping rollers and 4 inches when mechanical tampers are used.

B. Before placing fill material, surfaces to receive compacted fill shall be cleared of all existing obstructions and vegetation debris. All foundation surfaces to receive fill shall be smoothed, scarified and compacted to 95% of maximum density as determined in accordance with ASTM D 698 for a depth of at least 12 inches using approved compaction equipment.

C. Each layer of compacted fill shall be compacted to not less than 95 percent of maximum density when tested in accordance with ASTM D 698.

D. Aggregate shall be compacted a minimum of 95% of maximum density as determined by AASHTO T180-74 Method D.

3.4 – Finish Grading

A. Fine grade all areas, eliminating rough and low areas. Maintain levels, profiles, and contours to subgrades. Maintain positive drainage away from the structure.

B. Remove all stones, roots, grass, weeds, and other foreign material while finish grading. Remove and dispose legally of all debris.

***END OF SPECIFICATION 02020***

02030 – SURFACING

1.1– Description

Work as evident on drawings and specified herein or required to accomplish the removal, replacement and installation of miscellaneous surfacing materials as required to comply with the construction drawings.

1.2 – Related Specifications

A. Pima County/City of Tucson (PC/COT) Standard Specifications and Details for Public Improvements (2003 Edition), hereafter referenced as PC/COT.

B. Pima County Wastewater Management Department, Manual of Engineering Standards and Procedures.

C. Tucson Water's Standard Waterworks Specifications and Details.

1.3 – Quality Assurance

Codes, Standards: Standard Details and Materials Standards as referenced herein.

1.4 – Submittals

A. Mix Designs: The Contractor shall submit a mix design for the following materials to the Government for review and approval:

a. Portland Cement Concrete, one submittal for each class of concrete utilized.

b. Asphaltic Concrete, one submittal for each mix of asphaltic concrete utilized.

1.5 – Dust Control

The Contractor shall maintain adequate dust control at all times by sprinkling with water or other approved methods. Any and all claims for dust damage and nuisance to persons or property shall be borne solely by the Contractor

PART 2 – PRODUCTS

2.1 – Materials

A. Portland Cement Concrete (PCC) shall conform to PC/COT Standard Specification No. 1006 and the class specified.

B. Aggregate Base Course shall conform to PC/COT Standard Specification No. 303.

C. Joint Material shall conform to PC/COT Standard Specification 1011.

D. Hot Bituminous Mix shall conform to PC/COT Standard Spec 406 Residential #2.

PART 3 – EXECUTION

3.1 – Preparation

A. Subsurface shall be completed and approved by the COR before placing base or surface course.

3.2 – Clean Up

A. Clean all foreign material from finish surfaces.

B. Dispose of all debris, unsalvageable material and all other unsuitable material in accordance with all governing rules and regulations.

***END OF SPECIFICATION 02030***

02040 – FINISH GRADING

1.1– Description

Work included is this section entails soil preparation for raked areas, naturalizing grades where buildings and associated facilities are removed, and backfill along concrete slab edges.

1.2 – Site Conditions

Comply with all local regulations for dust control.

PART 2 – PRODUCTS

2.1 – Materials

Refer to other sections and plans.

PART 3 – EXECUTION

3.1 – Preparation

A. The Contractor shall familiarize himself with all site conditions prior to the start of work, and shall notify the Government of any discrepancies found between site conditions and the contract documents.

B. Scheduling:

a. Schedule all work in a careful manner with all necessary consideration for the public.

b. Avoid interference with the use of, and access to adjacent facilities.

3.2 – Excess Water Control

A. Finish grading operations shall be performed during dry weather. Soil shall not be in a wet condition.

B. All standing water shall be promptly removed. Finish grading shall not resume until conditions and approved by the Government.

C. The Contractor shall be responsible for positive drainage of all areas of work.

3.3 – Finish Grading

A. Fine grade all areas, eliminating rough and low areas. Maintain levels, profiles and contours to subgrades.

B. Remove all stones, roots, grass, weeds and other foreign material while finish grading. Remove and dispose legally of all debris.

C. Backfill along all concrete edges so that none protrude over 1/2" above surrounding grade. Fill slopes shall be 4:1 or flatter (unless shown otherwise on drawings) with a 1’ flat compacted aggregate shoulder adjacent to the pavement unless shown otherwise on the plans.

***END OF SPECIFICATION 02040***

02050 – AGGREGATE BASE

1.1– Description

The work of this section consists of furnishing and placing aggregate, and filler if required, on a prepared subgrade.

1.2 – Submittals

A. Two copies of certified weight tickets for each load of aggregate delivered to project site.

B. If materials are obtained from a commercial source, submit certification from the supplier certifying that aggregate base course meets the requirements of this section.

C. Submit all Material and Compaction Test results directly to both CO and COR from testing services, with copy to Contractor.

1.3 – Quality Assurance

A. Material Test and Compaction Test to be the responsibility of the Contractor.

PART 2 – PRODUCTS

2.1 – Aggregate

A. Clean, hard, durable fragments or particles of crushed stone, crushed slag, or crushed or natural gravel. Materials that break up due to freeze-thaw or wet-dry cycling shall not be used.

B. Coarse Aggregate: AASHTO T96- 77, percentage of wear of not more than 50.

C. Fraction passing No. 40 sieve shall have a liquid limit not to exceed 25 and a plasticity index of not more than six, as detained by AASHTO T89-81 and 0-81, respectively.

D. Material, inclusive of filler, shall meet following screen analysis requirements by weight:

SIEVE DESIGNATION PERCENT PASSING

1-½" 100

1" 80-100

No.4 35-75

No.40 10-30

No.200 0-10

3.1 – Placing

If the required compacted depth of the aggregate base course exceeds six inches, place course in two or more layers of approximately equal thickness. The maximum compacted thickness of anyone layer will not exceed six inches.

3.2 – Mixing

Mix the aggregate by anyone of the three following methods:

A. Stationary Plant Method: Mix aggregate base course and appropriate amount of water for compaction in an approved mixer. After mixing, transport aggregate to the job site while it contains the proper moisture content and place on the roadbed with an approved aggregate spreader. Before compaction, remove excess moisture.

B. Travel Plant Method: After the material for each layer has been placed through an aggregate spreader or windrow-sizing device, it shall be uniformly mixed by a traveling mixing plant.

C. Road Mix Method: After placing each layer, mix materials at optimum moisture content using motor graders or other approved equipment until the moisture is uniform throughout.

3.3 – Compaction

Compact each layer to a density of not less than 95 percent of the maximum density, as determined by AASHTO T180- 74, Method D. Test density in-place, in accordance with AASHTO T191-61, T205-64, or other recognized method. Density tests to be performed at the rate of one test per lift per 2,500 square feet.

3.4 – Surface Finishing

A. Use a smooth steel wheel roller for the final rolling of top surface base course.

Water surface and evenly spread loose stones before final rolling. Make minimum of two complete passes over area to embed stones. Correct soft spots developed during rolling.

B. Compacted base course surface shall be smooth and free from waves and other irregularities. Unsatisfactory portions of base course shall be tom up, reworked, re-laid, and re-rolled, at no additional expense to Government.

3.5 – Material Acceptance Requirements

Acceptance will be based on periodic samples and tests taken following mixing and before laying/placing.

3.6 – Tolerances

A. Surface: Contractor will test finished surface of the base course with a 10-foot straightedge or other device. The variation between any two contacts with the surface shall not exceed one-half inch. Any areas not complying with these tolerances shall be reworked to obtain conformity.

B. Width: Plan dimension, plus or minus two inches.

C. Thickness: Plan dimension, plus or minus one-half inch.

3.7 – Maintenance

Maintain base course in a satisfactory condition until surfaced or until final acceptance.

***END OF SPECIFICATION 02050***

02055 – PADS AND PATHS

1.1– Description

This work shall consist of construction of pads and paths. It includes furnishing the treated lumber, surfacing material, clearing, excavation and constructing the pads in accordance with these specifications and details as SHOWN IN THE DRAWINGS.

1.2 – Quantities of Pads and Path

A. Pads:

a. Whitehouse: one (1) pad.

b. Madera Trailhead: one (1) pad.

c. Noon Creek: one (1) pad.

B. Path:

a. Rustler Park: one (1) path.

1.3 – Job Conditions

A. Traffic:

a. Conduct site clearing operations to ensure minimum interference with roads and other adjacent occupied or used facilities.

b. Do not close or obstruct streets, walks or other occupied or used facilities without permission from authorities having jurisdiction.

B. Protection of Existing Improvements:

a. Provide protection necessary to prevent damage to existing improvements indicated to remain in place.

C. Protection of Existing Trees and Vegetation:

a. Protect existing trees and other vegetation indicated to remain in place, against unnecessary cutting, breaking or skinning of roots, skinning and bruising of bark, smothering of trees by stockpiling construction materials or excavated materials within drip line, excess foot or vehicular traffic, or parking of vehicles within drip line.

b. Provide temporary guards to protect trees and vegetation to be left standing.

c. Where any trees are damaged, or where limbs are required to be trimmed or removed because of operations under this contract, or because of interference with new construction, any cutting or removal of limbs or branches shall be done only with prior approval of the Contracting Officer

(CO).

d. Solvents, oils, and other material, which may be harmful to plant life, shall be disposed of in containers and removed from the site. At the completion of the work, any contaminated soil shall be removed and replaced with topsoil.

PART 2 – PRODUCTS

2.1 – Treated Lumber

A. Treated lumber shall be rough-sawn, pre-cut and pre-drilled Douglas Fir No. 2 Grade or Hem Fir No. 2 Grade, as grade by WWPA.

a. Size:

1. Border Edge - 6" x 6".

2. Cross Brace - 2" x 8".

2.2 – Reinforcing Bars

A. ASTM A 615, grade 40 unless other grade indicated on the drawings.

B. Size:

a. AS SHOWN ON DRAWINGS.

2.3 – Surface Material

A. Source:

a. Materials shall be obtained from a commercial source, the contractor shall submit test results for aggregate gradation and a Certificate of Compliance that states gradation meets contract requirements.

b. Sampling and testing of the material before incorporation into the work shall be in accordance with AASHTO requirements and shall occur as follows:

i. For commercially produced aggregates: at the producer's plant or stockpile.

ii. These test results shall not preclude later sampling and testing for final acceptance after final processing of the material.

iii. Crushing, screening, and mixing plants shall be equipped with sampling devices.

iv. The contractor shall take additional samples as required to validate the certification.

B. Decomposed Granite

a. Decomposed granite shall be any granitoid igneous rock which has been weathered in place and which has as principal constituents granular fragments of quartz and feldspar.

i. It may also contain fragments of granitic rock not yet broken down into the component minerals.

ii. This material shall remain stable when saturated with water.

iii. Particles larger than 3 inches, which will not be broken in the process of rolling and tamping during construction, shall be used.

b. Decomposed granite shall conform to the following requirements:

i. 100% shall pass the 1/2" sieve.

ii. Not more than 20% shall pass the No. 200 sieve.

iii. The P.I. of the material passing the No. 200 sieve shall not be less than 3 nor greater than 10.

2.4 – Borrow Material

A. Any borrow material necessary may be obtained from designated Government source.

B. Borrow material shall consist of organic free soil that contains rock less than 2 inches in maximum dimension.

2.5 – Fasteners

A. Hot dip galvanized fasteners for exterior application to comply with ASTM A 153.

B. Nails:

a. Use type 304 and 316 stainless steel fasteners for all below grade applications.

b. Fasten 2 x 8 pressure treated cross brace with 8d nail.

2.6 – Soil Stabilizer

A. Install stabilizer per manufacturer recommendations. Contractor shall adhere to installation requirements as directed for the product. Stabilizer shall only be applied on paths and areas adjacent to equipment at sites. It is not to be used for tent pads.

PART 3 – EXECUTION

3.1 – Site Clearing

A. General:

a. Remove trees, shrubs, grass and other vegetation, improvements, or obstructions interfering with installation of new construction.

b. Remove such items elsewhere on site or premises as specifically indicated.

c. Removal includes digging out stumps and roots.

d. Carefully and cleanly cut roots and branches of trees indicated to be left standing, where such roots and branches obstruct new construction.

e. Clearing shall be kept to a minimum within the specified working limits and care exercised to not damage the root system of adjacent trees or shrubbery.

B. Topsoil:

a. Topsoil is defined as friable clay loam surface soil found in a depth of not less than 4". Satisfactory topsoil is reasonably free of subsoil, clay lumps, stones, and other objects over 2" in diameter, and without weeds, roots, and other objectionable material.

b. Strip topsoil to whatever depths encountered in a manner to prevent intermingling with underlying subsoil or other objectionable material.

c. Where trees are indicated to be left standing, stop topsoil stripping a sufficient distance to prevent damage to main root system.

d. Stockpile topsoil in storage piles in areas shown, or where approved.

e. Construct storage piles to freely drain surface water.

f. Dispose of unsuitable or excess topsoil same as waste material, herein specified.

C. Clearing and Grubbing:

a. Clear site of trees, shrubs and other vegetation, except for those indicated to be left standing.

b. Completely remove stumps, roots, and other debris protruding through ground surface.

c. Use only hand methods for grubbing inside drip line of trees indicated to be left standing.

d. Fill depressions caused by clearing and grubbing operations with satisfactory soil material, unless further excavation or earthwork is indicated.

i. Place fill material in horizontal layers not exceeding 6" loose depth, and thoroughly compact to a density equal to adjacent original ground.

D. Removal of Improvements: Remove existing above-grade and below-grade improvements necessary to permit construction, and other work as indicated.

3.2 – Treated Lumber

A. Timber to be laid on a continuous solid soil surface.

B. All timbers will be of full length (no splicing).

C. All timber length, lap joints and holes will be cut and drilled, and then C.C.A.

treated.

D. All joints shall be lapped and pinned.

E. All timber corners shall be cross-braced.

F. If pad is located directly adjacent to the campground unit, the common timber border shall be eliminated.

3.3 – Reinforcing Bars (re-bar)

A. All re-bar pins shall be placed 3 inches minimum from edge of timbers.

B. Predrilled holes for re-bar.

3.4 – Surface Material

A. After treated lumber edge is complete, the area inside the treated lumber shall be constructed with surface material and compacted to the density.

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

C. Removing all debris and material not utilized shall clean up the area.

3.5 – Stockpiling

A. If one of the contractors elects to produce and aggregates prior to placement, the aggregates shall be handled and stockpiled in accordance with the requirements shown below.

B. Stockpile sites shall be at locations or approved by the CO.

a. All materials shall be transported and handled to preserve their quality and fitness for the work.

b. Aggregates shall be stockpiled, loaded, and transported in a manner that will preserve specified gradation and avoid contamination. Stockpiles of aggregate having different gradations shall not be intermingled.

***END OF SPECIFICATION 02055***

02060 – WATER DISTRIBUTION

1.1– Summary

The work under this section shall consist of furnishing all labor, tools, and equipment to install and reroute waterlines including trench excavation, pipe bedding, valve boxes, valves, and backfill in accordance with the details shown on the plans and the requirements of these specifications. Contractor shall locate existing water lines and reroute lines and install hydrants as specified on drawings. Contractor shall provide water lines and connections to the new locations as required and as shown on the plans. This section also includes flushing, testing, and disinfecting waterlines. Contractor shall complete DES required pressure testing per AWWA. All costs associated to this specification shall be included in the unit price bid per linear foot of water pipe furnished and installed.

1.2 – Submittals

A. A. Product Data for the following:

a. Pipe and fittings.

b. Compression couplings for similar and dissimilar pipes.

c. Ball Valve, Gate Valve and Box.

d. Air and Vacuum Valve.

e. Method for disposing water used in testing and disinfection of waterlines.

f. Water meters and accessories.

g. Backflow preventers and assemblies.

h. Hydrants.

B. Operation and Maintenance Data for the following:

a. Ball and Air Release Valves.

b. Water meters.

c. Valves.

d. Backflow preventers.

e. Hydrants.

1.3 – Quality Assurance

A. Comply with standards of authorities having jurisdiction for potable-water-service piping, including materials, installation, testing, and disinfection.

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

C. NSF Compliance:

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

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

1.4 – System Performance Requirements

The following are minimum pressure requirements for piping and specialties, unless otherwise indicated - Potable-Water Service: 160 psig.

1.5 – Project Conditions

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

A. Notify CO and COR not less than two days in advance have proposed utility interruptions.

B. Do not proceed with utility interruptions without CO or COR permission.

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 flanges, fittings, and specialties from moisture and dirt.

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

PART 2 – PRODUCTS

2.1 – General

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 and detailed in these specifications.

All plastic waterlines shall be installed with marking tape.

2.2 – High Density Polyethylene (HDPE) Pipe

A. Pipe

a. HDPE plastic pipe shall be PE-3408 as defined in ASTM D1248, with a minimum cell classification of 345464C in accordance with ASTM D3350.

The pipe shall be SDR11, 160 psig minimum pressure rating and comply dimensionally with ASTM D3035.

b. Pipe shall be manufactured in accordance with AWWA C901 for sizes ½” through 3”.

c. HDPE pipe larger than 2” diameter shall be provided in 40-foot lengths rather than rolls. HDPE pipe 2” and smaller shall be provided in rolls.

d. The joining method shall be butt-fusion method and shall be performed in strict 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. Ribbed steel inserts with stainless steel clamps are not approved for HDPE pipe.

B. Fittings

a. HDPE fittings shall be made from material meeting the same requirements as the pipe.

b. Molded fittings shall be manufactured in accordance with either ASTM D2683 for socket fused or ASTM D3261 for butt fused and shall be so marked.

c. All HDPE fittings shall have the same or higher-pressure rating and compositions.

2.3 – Galvanized Steel Pipe (GSP)

A. Pipe

a. ASTM A53 for pipe 4-inch diameter and smaller. Schedule 40.

b. Plain ends for joining with standard manufactured couplings.

c. Threaded ends shall meet requirements of ASME B1.20.1.

B. Fittings

a. ASTM A53. Schedule 40.

b. For threaded ends use Teflon thread sealing tape.

2.4 – PVC, Schedule Pipe

A. PVC, Schedule 40 Pipe

a. ASTM D 1785.

b. PVC, Schedule 40 Socket Fittings: ASTM D 2466.

B. PVC, Schedule 80 Pipe

a. ASTM D 1785.

b. PVC, Schedule 80 Socket Fittings: ASTM D 2467.

2.5 – Couplings for Similar or Dissimilar Pipe

Compression type transition fittings for making connections between like and dissimilar pipe materials shall be designed to enable a variety of connections between polyethylene pipe to various pipes. Fittings shall be Cepex performance series compression fittings as manufactured by Cepex Holding, S.A. and distributed by The Lateral Connection Corp., Sparks, NV 89434 (775) 626-6777 or approved equal and supplied by Ferguson Waterworks, Denver, CO, (303) 571-4444 or approved equal.

2.6 – Riprap at Daylight Drain and Wash Crossing

Riprap shall consist of hard, dense, durable stone, angular in shape and resistant to weathering. Rounded stone or boulders will not be accepted as riprap material. Individual stones shall have dimensions of 6” to 12”. Source of stone shall be from rocks uncovered on site during construction operations or from an approved off-site source.

2.7 – Ball Valves

Valves as indicated on the Drawings shall be NSF-certified drinking water brass or stainless steel full-port ball valves sized…