Attch_1_Fairbank_Trail_Project_Specifications.pdf

Specifications for

Fairbank Trail ADA Maintenance and Improvements

Bureau of Land Management Tucson

Field Office

PREFACE

These Standard Specifications are issued primarily for outdoor regular maintenance of roads, recreation sites and administrative facilities on Bureau of Land Management (BLM) property. These specifications are cited as "FP-14" indicating "Federal Project" Standard Specifications issued in 2014.

Construction contracts of the BLM are also governed by the following regulations:

Federal Acquisition Regulation (FAR), Title 48, Code of Federal Regulations, Chapter 1

The FAR regulations are not included in the FP-14. A complete copy of the FAR is available from the Superintendent of Documents, Congressional Sales Office, U.S. Government Printing Office, Washington, DC 20402.

TABLE OF CONTENTS

Sec�on 103. — SCOPE OF WORK

103.01 The project includes, but not limited to, the following work

103.02 Loca�on of Project

103.03 Performance of the Work

103.04 Work Site Condi�ons:

Sec�on 106. — ACCEPTANCE OF WORK

106.1 Conformance with Contract Requirements

106.2 Visual Inspec�on

106.3 Cer�fica�ons

106.4 Measurement

106.5 Par�al and Final Acceptance

106.6 Maintenance of completed work

106.7 Contractor caused damage

109.00 Trail segment table:

DIVISION 150 PROJECT REQUIREMENTS

Sec�on 151. — MOBILIZATION

151.01 Descrip�on

151.02 Units:

151.03 Payment:

Sec�on 156. — TRAFFIC CONTROL

156.01 Descrip�on:

156.02 Materials

156.03 General

156.04 Traffic Control Plan

156.05 Maintaining Public Access During Work

156.06 Maintaining Access During Non-Work Periods

DIVISION 200 EARTHWORK

Sec�on 201. — CLEARING AND GRUBBING

201.1 Descrip�on

201.2 Vegeta�on protec�on

201.3 Clearing

DIVISION 700 MATERIAL

Sec�on 701. — AGGREGATE

701.01 Descrip�on

701.02 Materials

Table 703-3

701.03 Tes�ng:

701.04 Subgrade Prepara�on:

701.05 Surfacing Material Placement:

701.06 Moisture Protec�on Plan:

701.07 Finishing Surfacing:

Section 103. — SCOPE OF WORK

103.01 The project includes, but not limited to, the following work.

Summary: This project includes trail improvements of approximately 7,925 feet of the Fairbank Trail Way at a proscribe resurfacing width of eight foot (see segment table) with an additional two-foot side slope see Figure 5 for clearing and drainage purposes. The non-motorized recreational trail is used for hiking, equestrians, and mountain biking. The material to be used for all proposed maintenance and improvements will be ABC 1" crushed rock aggregate and achieve 90% compaction with proper slopes to ensure drainage is adequate.

Water may be provided from multiple water hydrants located throughout Town Site at the permission and ownership of

BLM.

Description of Work: Furnish all transportation, labor, equipment, materials, supplies and traffic control. Prepare the subgrade and install aggregate resurfacing of existing trail system as described in the specifications and shown on the Maps and Drawings. Work will include but not limited to the installation of proposed aggregate in one lift until the proposed 6-inch total resurfacing is achieved. Standard size and conventional equipment may not be suitable since the dense vegetation growth throughout the trail may require the use of compact earth moving equipment instead.

Fairbank Trail ADA Maintenance KMZ file: It is recommended that potential solicitors to this project request the KMZ file that pacifically outlines work to be done. To open the KMZ file the solicitor will need to have Google Earth pro software to be able to view the map and use all its functions to better understand the entire scope of work. Only upon request the Contracting Officer (CO) shall provide the KMZ file.

Important Note: “No work shall be performed during the March 1 – August 31 breeding bird period to avoid potential impacts to yellow-billed cuckoo and Southwestern willow flycatcher.”

103.02 Location of Project

The project is on federal lands administered by the Bureau of Land Management in the San Pedro Riparian National Conservation Area in the vicinity of the Fairbank Historic Townsite.

The project area is generally situated in T. 20 S. R 21 E. Section 2, and T. 19 S. R 21 E. Section 34 of the Gila and Salt River Principal Meridian, Cochise County, Arizona.

The beginning of the project is at Latitude 31.723176° and Longitude -110.186949° as shown on the Maps and Drawings.

103.03 Performance of the Work

• Perform work to the lines, grades, cross-sections, dimensions, and processes or materials required in the specifications.

• Codes and Standards: References to standard documents and test methods of AASHTO, ASTM, GSA, and other recognized standard authorities refer to the documents and methods in effect on the date of the Invitation for Bids (IFB) or Request for Proposal (RFP). Where a conflict occurs between reference documents and project specifications, the specifications govern.

• All work shall be conducted in a safe and expedient manner and in conformance with the specifications.

• All work shall be conducted by personnel fully qualified to perform the tasks assigned and shall be supervised by a designated Contractor’s Representative.

• Measurement: The length and width of the trail maintained will be measured.

• Coordination: The Contractor shall coordinate the work through the Contracting Officer and the project designated Contracting Officer’s Representative.

103.04 Work Site Conditions:

• Pre-Bid Meeting: A pre-bid site visit will be scheduled to help potential bidders understand the bid documents, scope of work, specifications and requirements, and the worksite conditions.

• Access to worksite: Public access to the site is available from State Highway 82 from the Fairbank Historic Site parking lot and trailhead during daylight hours.

• Public use of the site: The project area is in a developed recreation area open to public use. The work shall be performed with a traffic plan to protect public users from temporary hazards created by the work.

• Existing trail conditions: The work site includes existing trail grades with narrow width and clearance not suitable for aggregate material hauling trucks.

• Utilities available: A water system is available on site and may be used to perform the work. A public toilet is available on site and may be used by work crews.

• Environmental considerations: Fuel or oil spills occurring during the work shall be reported to the Contracting Officer, and contaminated material shall be excavated to a depth of 12 inches beyond the contaminated material and removed from the work site and properly disposed of.

• Temporary work camps: Work camps will not be allowed for performance of the work under this contract.

• Terrain, topography: The elevation ranges from 3,400 to 3,800 ft above sea level, and the project site is river valley flat to rolling topography.

• Vegetation: The project area includes mesquite trees, desert shrubs, grasses and forbs.

• Climate: The area is prone to winter rains and summer monsoon storms.

• Sensitive wildlife species may be present in the work site, including reptiles, birds, and mammals. BLM will furnish Contractor information on species which may be encountered. Work shall be conducted to avoid injury or death of any wildlife that may be encountered.

Section 106. — ACCEPTANCE OF WORK

106.1 Conformance with Contract Requirements.

Follow the requirements of FAR Clause 52.246-12 Inspection of Construction.

The Government may inspect, sample, or test work before final acceptance of the project. If the Government tests work, copies of test reports shall be furnished to the Contractor upon request.

Acceptable work conforming to the contract will be paid for at the contract unit bid price.

Four methods of determining conformance with the specifications and accepting work are described in Subsections

106.02 through 106.05. The primary method of acceptance is specified in each Section of work, but work may be rejected if it is found not to comply with the contract.

Work rejected that does not conform to contract requirements shall be reworked, removed or replaced at no additional cost to the Government.

The Contractor may submit a written request for rejected work to:

(a) Have the work accepted at a reduced price; or

(b) Perform corrective measures to bring the work into conformance with the requirements.

The request shall include supporting rationale and documentation, including basis for justification (test results, effect on service life, value of material or work, quality, aesthetics, or other tangible reason). The government will determine disposition of the nonconforming work.

106.2 Visual Inspection.

Acceptance shall be based on visual inspection of the work for conformance with contract requirements.

106.3 Certifications.

Certification that the aggregate material meets the specifications based on testing shall be submitted for review and acceptance before delivery. Scale tickets indicating the weight of aggregate material delivered shall be submitted at the time of delivery.

• Material accepted under a certification may be sampled and tested by the Government. If material is determined not to conform with the specifications, the material will be rejected whether in place or not.

106.4 Measurement.

The work will be measured to ensure conformance with the specifications.

106.5 Partial and Final Acceptance.

Partial payment requests may be submitted for completed work.

106.6 Maintenance of completed work.

The contractor shall maintain the work in a condition conforming with the requirements until the work is accepted.

106.7 Contractor caused damage.

The Contractor shall repair at no cost to the Government any damage to completed and accepted work caused by the Contractor before final acceptance of the entire project. See FAR Clause 52.236-11 Use and Possession Prior to Completion.

(a) Partial acceptance.

Partial payment requests for completed work will be inspected upon request by the

Contractor and accepted by the Government if the work conforms with the specifications. Acceptance of the work by the Government shall relieve the Contractor of further responsibility for maintaining the completed work, subject to Section 106.08.

(b) Final acceptance.

The Contractor shall notify the Government when the entire project is complete to schedule a final inspection.

The work shall be accepted if in conformance with the specifications. The Contractor will be notified in writing of final acceptance as of the date of the final inspection. Final acceptance shall relieve the Contractor of further responsibility for the maintenance of the completed work.

If the inspection discloses unsatisfactory work, the government will provide the Contractor a list of the work that is incomplete or requires correction. Immediately complete or correct the work. Submit notification when the work has been completed as provided above.

109.00 Trail segment table:

Trail segment table to be used with attachments figure 1.

Trail Segment

Description Resurfacing Trail Width

Feet

Shoulder Width Feet

Length Feet

Surfacing Depth (Feet)

Bid Price

1A Resurface 8 2 1,382 0.5

1B New Surface 8 2 4,963 0.5

2 Resurface 8 2 1,580 0.5

DIVISION 150 PROJECT REQUIREMENTS

Sec�on 151. — MOBILIZATION

151.01 Description

This work consists of moving personnel, equipment, material, and incidentals to the project worksite and performing preparations necessary before beginning work, and demobilization after the work is completed. This work also includes obtaining permits, insurance, and bonds.

151.02 Units:

The work described under this section will not be measured for payment.

151.03 Payment:

No direct payment for the work under this section will be made. Consideration for this item shall be included in the bid price for other items.

Sec�on 156. — TRAFFIC CONTROL

156.01 Description:

Work under this section includes traffic control to protect public visitors from temporary hazards created by the work.

156.02 Materials

Signs and markers shall conform to the MUTCD most current edition.

156.03 General.

At the pre-bid meeting traffic control requirements will be discussed to determine what Contractor controls will be necessary so the Contractor can assign a cost to this item. At the prework the Contractor and government will agree on the timing and accepted method.

156.04 Traffic Control Plan.

The Contractor shall submit a traffic control plan according to the MUTCD.

Perform work in a manner that ensures the safety and convenience of the public and protects public visitors and resources adjacent to the project. Accommodate public traffic on the main parking area and trails until the project is accepted.

156.05 Maintaining Public Access During Work

Maintain access as discussed with the government at the prework meeting utilizing temporary facilities/controls as outlined in the scope of week for the task order. Maintain any temporary controls in a safe and acceptable condition.

If corrective action is requested and the corrective action is not taken immediately, the condition may be corrected, and the cost of the corrective action deducted from monies due the Contractor.

156.06 Maintaining Access During Non-Work Periods

Maintain access and traffic control for public traffic during periods when work is not in progress. Snow removal to provide public access is the responsibility of the maintaining agency.

DIVISION 200 EARTHWORK

Sec�on 201. — CLEARING AND GRUBBING

201.1 Description

Work described in this Section includes clearing and grubbing vegetation within the clearing limits as indicated in the specifications, Maps and Drawings.

Clearing and Pruning: Mesquite trees and brush would be trimmed/pruned along the trail within the 10foot horizontal and vertical clearance limits for multi-use trails (10’x10’, up to 14’ in wider sections).

Grubbing, Stump and Root Removal: Stumps and root balls of woody vegetation (trees, shrubs) within the clearing limits shall be dug up and removed to a minimum depth of 12 inches. Pits from root ball removal shall be filled to the subgrade elevation with suitable mineral soil material and compacted prior to placing surfacing material.

Slash Disposal: Material that is not salvaged shall be lopped and scattered along the trail. Useable wood material 4 to 6 inches in diameter shall be cut to fence 6.5-foot post lengths and set aside for future use by others.

201.2 Vegetation protection

Do not damage vegetation designated to remain. If damage occurs, repair or replace the vegetation in an acceptable manner.

201.3 Clearing

Within the clearing limits clear trees, brush, downed timber, and other vegetation as follows:

(a) Cut trees so they fall within the clearing limits.

(b) In areas of cut slope rounding, cut stumps flush with or below the final ground-line.

(c) In areas outside the excavation, embankment, and slope rounding limits, cut stumps to within 6 inches (150 millimeters) of the ground; and

(d) Trim tree branches that extend over the road surface and shoulders to attain a clear height of 20 feet (6 meters). If required, remove other branches to present a balanced appearance. Trim according to accepted tree pruning practices. Treat pruning cuts on trees with dressing.

DIVISION 700 MATERIAL

Sec�on 701. — AGGREGATE

701.01 Description

Work under this section includes subgrade preparation and placement of AB crushed rock surfacing on the work site.

701.02 Materials

1. Surface Course Aggregate.

2. General. Furnish hard, durable particles or fragments of crushed stone, crushed slag, or crushed gravel conforming the following:

a. Los Angeles abrasion, AASHTO T 96 50 percent max.

b. Soundness of aggregate using sodium sulfate, 12 percent loss max.

AASHTO T 104 (5 cycles)

c. Durability index (coarse), AASHTO T 210 35 min.

d. Durability index (fine), AASHTO T 210 35 min.

e. Fractured faces, ASTM D5821 50 percent min.

f. Without organic matter and lumps or balls of clay.

Surface course aggregate. In addition to Subsection 703.05(a), conform to the following:

g. Gradation Table 703-3

h. Liquid limit, AASHTO T 89, Method A 35 max.

i. Plasticity index, AASHTO T 90 10±3 Do not furnish material that contains asbestos fibers.

Table 703-3 Target Value Ranges for Surface Course Gradations

Sieve Size Percent by Mass Passing Designate Sieve (AASHTO T

27 & AASHTO T 11)

1 inch (25 mm) 100(1)

1) ½ inch (12.5 mm) i) 70 – 80 (5) No. 4 (4.75 mm) 40 – 50 (7) No. 10 (2.0 mm) 25 – 40 (6) No. 40 (425 µm) 15 – 25 (5) No. 200 (75 µm) 8.0 – 14.0 (4)

i. Statistical procedures do not apply.

() The value in the parentheses is the allowable deviation (±) from the target values.

j. Crushed Aggregate. Furnish hard, durable particles or fragments of crushed stone or gravel conforming to the size and quality requirements for crushed aggregate material normally used locally in the construction and maintenance of highways by Federal or state agencies. Furnish crushed aggregate with a maximum size of 1 inch (25 millimeters) as determined by AASHTO T 27 and AASHTO T 11. Furnish crushed aggregate uniformly graded from coarse to fine and free of organic matter, lumps or balls of clay, and other deleterious material.

701.03 Testing:

Contractor shall engage a qualified geotechnical engineering testing agency to perform required tests such as material and compaction tests.

701.04 Subgrade Preparation:

The existing surface shall be prepared to provide a firm and uniform subgrade for placement of surfacing material.

701.05 Surfacing Material Placement:

1. AB crushed rock shall be clean and free of foreign materials before installation.

2. Installation should start from one end and proceed forward over the undisturbed laying course.

3. Work shall be level and true to line and grade; shall be installed properly to coincide and align with adjacent work and elevations.

4. All proposed material shall be rolled into one six-inch lift vibratory rolled and compacted, with each layered lift compacted at 90 percent of the maximum laboratory dry density as determined by the Standard Proctor Test to achieve 6” inch of new surface.

5. Minimum cross slope shall be 2%.

701.06 Moisture Protection Plan:

A. Describe procedures and controls for protecting materials and construction from water absorption and damage.

B. Dust Control Plan: Submit coordination drawing and narrative that indicates the dust control measures proposed for use, proposed locations, and proposed time frame for their operation. Include the following:

1. Waste-handling procedures.

2. Other dust-control measures.

701.07 Finishing Surfacing:

Finished surface of pathway shall be smooth, uniform, and solid. There shall be no evidence of chipping or cracking.

Cured and compacted pathway shall be firm throughout profile with no spongy areas. Loose material will not be present on the surface after installation but may appear after use and according to environmental conditions. Pathway should remain stable underneath. It is a “natural” looking pathway, yet stable throughout. Any significant irregularities in path surface shall be repaired to the uniformity of entire installation. See Fig. 4.