csi_specs-fina-8-17l.doc

SUPPLEMENTAL CSI SPECIFICATIONS

FOR

PAWNEE BIRD TOUR

ARAPAHO ROOSEVELT N.F. & PAWNEE N.G.

No. of Pages

Division 1 - GENERAL REQUIREMENTS

Section 01010 - Summary of Work

Section 01025 - Definintion of Bid Items and Measurement and Payment

Section 01330 - Submittal Procedures

Section 01400 - Quality Requirements

Section 01660 - Product Handling and Storage

Section 01710 - Clean Up and Disposal

Section 01950 - Mobilization

Division 2 - SITE WORK Section 02100 – Clearing and Grubbing

Section 02111 – Removal of Structures and Obstructions

Section 02220 – Earthwork

Division 3 - CONCRETE Section 03100 - Concrete Formwork

Section 03200 – Concrete Reinforcement

Section 03300 – Cast-in-Place Concrete

Division 4 - MASONRY

Section 04220 - Native Stone Masonry 7 Division 5 - Metals

Section 05120 – Structural Steel

Section 05500 – Metal Fabrication

Division 6 - Wood

Section 06100 – Rough Carpentry

Division 7 – Thermal and Moisture Protection

Section 07400 – Metal Roofing

SECTION 01010

SUMMARY of work

PART 1 - GENERAL

1.1 summary

A. Work associated with these supplemental specifications and schedule of items includes but is not limited to the construction of 1 (qty) 3-Panel Kiosk, the relocation of 8 (qty) existing interpretive sign pedestals, the installation of 1 (qty) interpretive sign pedestal to be furnished by the Forest Service, the installation of 5 (qty) concrete curb stops, the construction of 2140 LF of drainage ditch around interpretive sites, the installation of 21 (qty) barrier rocks, the installation of 25 cubic yards of 8’’ cobble, the installation of 30 (qty) seating rocks at 10 sites, and all associated work to complete the project as SHOWN ON THE DRAWINGS.

All other items are covered under the main specifications and schedule of items.

location

This project is located on the Pawnee National Grasslands, 2 miles north of Briggsdale.

1.2 GENERAL SITE CONDITIONS AND WEATHER

Spec. Writer: EDIT paragraph below specific to the site.

A. The elevation of the site is approximately 5,000 feet above mean sea level. The construction site experiences intermitten snowfall and cold temperatures, with snow on the ground intermittently from mid-November through April.

Spec. Writer: edit paragraph below specific to the site. Coordinate blasting permission with section 02300.

B. In-depth soil surveys have not been performed; however, rocks at the ground surface are evident throughout the area. The Contractor should expect to encounter such rock during excavation and grubbing operations. Blasting of rocks will not be permitted without special permission.

C. In-depth water table surveys have not been performed; however, if water is encountered during excavation, the Contractor shall perform adequate dewatering to keep the excavation free from water and dispose of the water without damage to property.

01010 - 1

1.3 USE OF PREMISES

spec writer: Delete this Article if Owner places strict limitations on Contractor's use of premises, and use Division 1 Section "Work Restrictions" instead. Expand Article if Owner's restrictions are minor. See the Evaluations in Division 1 Section "Work Restrictions.”

spec writer: Retain paragraph below if Project is on a vacant site or in an unoccupied building being renovated and there are no Owner-occupancy requirements. Revise to suit Project.

A. General: Contractor shall have full use of premises for construction operations, including use of Project site, during construction period. Contractor's use of premises is limited only by the Government's right to perform work or to retain other contractors on portions of Project.

B. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public and employees. No closures will be permitted.

C. Confine storage of materials to areas as approved by the Contracting Officer (CO).

D. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas.

E. Preservation of Natural Features: Confine all operations to work limits of the project. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

F. Existing Utilities: Notify CO and utility companies of proposed locations and times for excavation.

1. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

2. Interruption of Existing Utility Service: Existing utilities may only be interrupted with prior written approval from the CO. Notify CO 48 hours in advance of any interruption.

spec writer Insert additional paragraphs to specify minor restrictions on Contractor's use of premises or to specify minor limitations because of Owner occupancy.

1.4 MEALS AND LODGING

A. Meals and lodging are commercially available in the City of Boulder within 10 miles of the construction site. Meals or lodging will not be available at Forest Service facilities.

1.5 camping

A. No camping will be permitted at the site.

1.6 construction sequence

A. There is no specified construction sequence or season for this project.

01010 - 2

1.7 Field verification

A. Field verify all new and existing dimensions affecting the work of this contract before ordering products.

1.8 permits

A. Special permits for electrical work or any other permits required by County, State, or Federal laws or regulations shall be obtained by the Contractor.

PART 2 – PRODUCTS

Not applicablePART 3 – EXECUTION

Not applicable

END OF SECTION

01010- 3

SECTION 01025

Definition of bid items and MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.1 summary

A. The intent of this section is to explain, in general; what is and what is not included in a bid item; the limits or cut-off points where one bid item ends and another begins; and method of measurements and basis of payment for work items listed in the Bid Item Schedule.

B. Work:

1. Furnishing all labor, materials, equipment, and other incidentals necessary to successfully complete the project or any portion of it, and carrying out all duties and obligations imposed by the contract on the Contractor.

C. Payment:

1. For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, as shown on the drawings, and as staked in the field.

2. Measurement and payment for contract work shall be made only for and under those pay items included in the Schedule of Items. All other work and materials shall be considered incidental or as included in the payment for items shown.

1.2 DETERMINATION OF QUANTITIES

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

B. Quantity Measurements:

1. The Contractor shall make all measurements for computation of quantities for all work items except those specified for payment by Designed Quantity (DQ) or Lump Sum Quantity (LSQ).

2. The contractor shall compute the quantities for periodic progress payments; the Contracting Officer shall compute the quantities for the final payment based on measurements taken by the Contractor.

3. All Contractor measurements are subject to verification.

4. The Contractor shall submit all field notes, calculation sheets, and other data used to determine quantities.

01025 - 1

5. The Contractor shall certify in writing as to the accuracy of the measurements and computations submitted.

C. The following measurements and calculations are used to determine contract quantities.

1. For individual construction items, longitudinal and lateral measurements for area computations shall be made horizontally or corrected to horizontal measurement unless otherwise specified. Measurements for geotextiles, netting and erosion control blankets shall be along slope lines.

2. The average end area method shall be used to compute volumes of excavation or embankment. However, if in the judgment of the Contracting Officer (CO), the average end area method is impractical, measurement shall be made by volume in hauling vehicles or by other three dimensional methods.

3. Structures shall be measured according to neat lines shown on the drawings or as altered by the CO, in writing, to fit field conditions.

4. For items that are measured by the linear foot, such as pipe culverts, fencing, guardrail, and underdrains, measurements shall be made parallel to the base or foundation upon which the structures are placed. Pipes shall be measured along center of invert.

5. For aggregates weighed for payment, the tonnage shall not be adjusted for moisture content, unless otherwise provided for.

6. For standard manufactured items--such as fence, wire, plates, rolled shapes, pipe conduits--identified by gauge, weight, section dimensions, and so forth, such identifications shall be considered the nominal weights or dimensions. Unless controlled by tolerances in cited specifications, manufacturer's tolerances shall be accepted.

1.3 UNITS OF MEASUREMENT

A. Payment shall be by units defined and determined according to U.S. Standard measure and by the following:

B. Cubic Yard: A measurement computed by one of the following methods:

1. Excavation, Embankment, or Borrow. The measurement computed by the average end area method from measurements made longitudinally along a centerline or reference line.

2. Material in Place or Stockpile. The measurement computed using the dimensions of the in-place material.

3. Material in the Delivery Vehicle. The measurement computed using measurements of material in the hauling vehicles at the point of delivery. Vehicles shall be loaded to at least their water level capacity. Leveling of the loads may be required when vehicles arrive at the delivery point.

01025 - 2

C. Each: One complete unit, which may consist of one or more parts.

D. Linear Foot: Linear feet measured horizontally.

PART 2 - products

1.4 METHOD OF MEASUREMENT

A. One of the following methods of measurement for determining final payment is designated on the Schedule of Items for each pay item:

B. ACTUAL QUANTITIES (AQ)

1. These estimated quantities which are determined from actual measurements of completed work.

C. LUMP SUM QUANTITIES (LSQ)

1. These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job. They shall not be measured.

PART 3 - EXECUTION

1.5 EARTHWORK TOLERANCES

A. Adjustments of horizontal or vertical alignment, within the tolerances specified in this contract, or shifts of balance points up to 100 feet shall be made by the contractor as necessary to produce the designed trail sections and to balance earthwork. Such adjustments shall not be considered as "Changes."

END OF SECTION

01025 - 3

SECTION 01330

SUBMITTAL PROCEDURES

part 1- GENERAL

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for submitting Shop Drawings, Product Data, Samples, and other miscellaneous submittals.

B. See Division 1 Section "Quality Requirements" for submitting test and inspection reports and Delegated-Design Submittals.

C. See Division 1 Section "Closeout Procedures" for submitting warranties Project Record Documents, operation and maintenance manuals and “as built” drawings.

1.2 DEFINITIONS

A. Action Submittals: Written and graphic information that requires CO responsive action.

B. Informational Submittals: Written information that does not require CO approval. Submittals may be rejected for not complying with requirements.

1.3 SUBMITTAL PROCEDURES

A. Coordination: Coordinate preparation and processing of submittals with performance of construction activities.

1. Coordinate transmittal of different types of submittals for related parts of the Work so processing will not be delayed because of need to review submittals concurrently for coordination.

a. CO reserves the right to withhold action on a submittal requiring coordination with other submittals until related submittals are received.

B. Processing Time: Allow enough time for submittal review, including time for resubmittals, as follows. Time for review shall commence on CO's receipt of submittal.

1. Initial Review: Allow 10 days for initial review of each submittal. Allow additional time if processing must be delayed to permit coordination with subsequent submittals. CO will advise Contractor when a submittal being processed must be delayed for coordination.

2. If intermediate submittal is necessary, process it in same manner as initial submittal.

01330 - 1

3. Allow 10 days for processing each resubmittal.

4. No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing.

C. Identification: Place a permanent label or title block on each submittal for identification.

1. Indicate name of firm or entity that prepared each submittal on label or title block.

2. Provide a space approximately 2 by 3 inches on label or beside title block to record Contractor's review and approval markings and action taken by CO.

3. Include the following information on label for processing and recording action taken:

a. Project name.

b. Date.

c. Name and address of Contractor.

d. Name of manufacturer.

e. Unique identifier, including revision number.

f. Number and title of appropriate Specification Section.

g. Drawing number and detail references, as appropriate.

h. Other necessary identification.

D. Deviations: Highlight, encircle, or otherwise identify deviations from the Contract Documents on submittals.

E. Additional Copies: Unless additional copies are required for final submittal, and unless CO observes noncompliance with provisions of the Contract Documents, initial submittal may serve as final submittal.

F. Use for Construction: Use only final submittals with mark indicating action taken by CO in connection with construction.

part 2 – PRODUCTS

1.4 ACTION SUBMITTALS

A. General: Prepare and submit Action Submittals required by individual Specification Sections.

1. Number of Copies: Submit three copies of each submittal, unless otherwise indicated. CO will return two copies. Mark up and retain one returned copy as a Project Record Document.

01330 - 2

B. Product Data: Collect information into a single submittal for each element of construction and type of product or equipment.

1. If information must be specially prepared for submittal because standard printed data are not suitable for use, submit as Shop Drawings, not as Product Data.

2. Mark each copy of each submittal to show which products and options are applicable.

3. Include the following information, as applicable:

a. Manufacturer's written recommendations.

b. Manufacturer's product specifications.

c. Manufacturer's installation instructions.

d. Manufacturer's catalog cuts.

e. Wiring diagrams showing factory-installed wiring.

f. Compliance with recognized trade association standards.

g. Compliance with recognized testing agency standards.

C. Shop Drawings: Prepare Project-specific information, drawn accurately to scale. Do not base Shop Drawings on reproductions of the Contract Documents or standard printed data.

1. Preparation: Include the following information, as applicable:

a. Dimensions.

b. Identification of products.

c. Fabrication and installation drawings.

d. Roughing-in and setting diagrams.

e. Wiring diagrams showing field-installed wiring, including power, signal, and control wiring.

f. Notation of dimensions established by field measurement.

2. Wiring Diagrams: Differentiate between manufacturer-installed and field-installed wiring.

D. Samples: Prepare physical units of materials or products, including the following:

1. Samples for Initial Selection: Submit manufacturer's color charts consisting of units or sections of units showing the full range of colors, textures, and patterns available.

1.5 INFORMATIONAL SUBMITTALS

A. General: Prepare and submit Informational Submittals required by other Specification Sections.

1. Number of Copies: Submit two copies of each submittal, unless otherwise indicated. CO will not return copies.

01330 - 3

2. Certificates and Certifications: Provide a notarized statement that includes signature of entity responsible for preparing certification. Certificates and certifications shall be signed by an officer or other individual authorized to sign documents on behalf of that entity.

3. Test and Inspection Reports: Comply with requirements in Division 1 Section "Quality Requirements."

B. Contractor's Construction Schedule:

1. The following submittal is required following award of contract for review and/or approval pursuant to contract provisions:

C. Material Test Reports: Prepare reports written by a qualified testing agency, on testing agency's standard form, indicating and interpreting test results of material for compliance with requirements.

D. Field Test Reports: Prepare reports written by a qualified testing agency, on testing agency's standard form, indicating and interpreting results of field tests performed either during installation of product or after product is installed in its final location, for compliance with requirements.

E. Maintenance Data: Prepare written and graphic instructions and procedures for operation and normal maintenance of products and equipment. Comply with requirements in Division 1 Section "Closeout Procedures."

F. Manufacturer's Instructions: Prepare written or published information that documents manufacturer's recommendations, guidelines, and procedures for installing or operating a product or equipment. Include name of product and name, address, and telephone number of manufacturer.

part 3 – EXECUTION

1.6 general

A. Review each submittal and check for compliance with the Contract Documents. Note corrections and field dimensions. Mark with approval stamp before submitting to CO.

01330 - 4

B. Approval Stamp: Stamp each submittal with a uniform, approval stamp. Include Project name and location, submittal number, Specification Section title and number, name of reviewer, date of Contractor's approval, and statement certifying that submittal has been reviewed, checked, and approved for compliance with the Contract Documents.

C. CO will not review submittals that do not bear Contractor's approval stamp and will return them without action.

D. Submittals not required by the Contract Documents will not be reviewed and may be discarded.

END OF SECTION

01330 - 5

SECTION 01400

QUALITY REQUIREMENTS

part 1 - GENERAL

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for quality assurance and quality control.

B. Testing and inspecting services are required to verify compliance with requirements specified or indicated. These services do not relieve Contractor of responsibility for compliance with the Contract Document requirements.

1. Specified tests, inspections, and related actions do not limit Contractor's quality-control procedures that facilitate compliance with the Contract Document requirements.

2. Requirements for Contractor to provide quality-control services required by CO, or authorities having jurisdiction are not limited by provisions of this Section.

C. See Divisions 2 through 16 Sections for specific test and inspection requirements.

1.2 DEFINITIONS

A. Quality-Assurance Services: Activities, actions, and procedures performed before and during execution of the Work to guard against defects and deficiencies and ensure that proposed construction complies with requirements.

B. Quality-Control Services: Tests, inspections, procedures, and related actions during and after execution of the Work to evaluate that completed construction complies with requirements. Services do not include contract enforcement activities performed by CO.

C. Testing Agency: An entity engaged to perform specific tests, inspections, or both. Testing laboratory shall mean the same as testing agency.

1.3 SUBMITTALS

A. Qualification Data: For testing agencies specified in "Quality Assurance" Article to demonstrate their capabilities and experience. Include proof of qualifications in the form of a recent report on the inspection of the testing agency by a recognized authority.

01400 - 1

B. Reports: Prepare and submit certified written reports that include the following:

SPEC WRITER: REVISE LIST BELOW TO SUIT PROJECT.

1. Date of issue.

2. Project title and number.

3. Name, address, and telephone number of testing agency.

4. Dates and locations of samples and tests or inspections.

5. Names of individuals making tests and inspections.

6. Description of the Work and test and inspection method.

7. Identification of product and Specification Section.

8. Complete test or inspection data.

9. Test and inspection results and an interpretation of test results.

10. Ambient conditions at time of sample taking and testing and inspecting.

11. Comments or professional opinion on whether tested or inspected Work complies with the Contract Document requirements.

12. Name and signature of laboratory inspector.

13. Recommendations on retesting and reinspecting.

C. Permits, Licenses, and Certificates: For CO’s records, submit copies of permits, licenses, certifications, inspection reports, releases, jurisdictional settlements, notices, receipts for fee payments, judgments, correspondence, records, and similar documents, established for compliance with standards and regulations bearing on performance of the Work.

1.4 QUALITY ASSURANCE

A. Fabricator Qualifications: A firm experienced in producing products similar to those indicated for this Project and with a record of successful in-service performance, as well as sufficient production capacity to produce required units.

B. Factory-Authorized Service Representative Qualifications: An authorized representative of manufacturer who is trained and approved by manufacturer to inspect installation of manufacturer's products that are similar in material, design, and extent to those indicated for this Project.

C. Installer Qualifications: A firm or individual experienced in installing, erecting, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

D. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of the system, assembly, or product that are similar to those indicated for this Project in material, design, and extent.

01400 - 2

E. Testing Agency Qualifications: An agency with the experience and capability to conduct testing and inspecting indicated, as documented by ASTM E 548, and that specializes in types of tests and inspections to be performed.

1.5 QUALITY CONTROL

A. Contractor Responsibilities: Unless otherwise indicated, provide quality-control services specified and required by authorities having jurisdiction.

1. Where services are indicated as Contractor's responsibility, engage a qualified testing agency to perform these quality-control services.

a. Contractor shall not employ the same entity engaged by the Government, unless agreed to in writing by CO.

2. Notify testing agencies at least 48 hours in advance of time when Work that requires testing or inspecting will be performed.

3. Where quality-control services are indicated as Contractor's responsibility, submit a certified written report, in duplicate, of each quality-control service.

4. Testing and inspecting requested by Contractor and not required by the Contract Documents are Contractor's responsibility.

5. Submit additional copies of each written report directly to authorities having jurisdiction, when they so direct.

B. Special Tests and Inspections: Contractor will engage a testing agency to conduct special tests and inspections required by authorities having jurisdiction as the responsibility of Contractor.

1. Testing agency will notify CO and Contractor promptly of irregularities and deficiencies observed in the Work during performance of its services.

2. Testing agency will submit a certified written report of each test, inspection, and similar quality-control service to CO with copy to Contractor and to authorities having jurisdiction.

3. Testing agency will submit a final report of special tests and inspections at Substantial Completion, which includes a list of unresolved deficiencies.

4. Testing agency will interpret tests and inspections and state in each report whether tested and inspected work complies with or deviates from the Contract Documents.

5. Testing agency will retest and reinspect corrected work.

C. Manufacturer's Field Services: Where indicated, engage a factory-authorized service representative to inspect field-assembled components and equipment installation, including service connections. Report results in writing.

01400 - 3

D. Retesting/Reinspecting: Regardless of whether original tests or inspections were Contractor's responsibility, provide quality-control services, including retesting and reinspecting, for construction that revised or replaced Work that failed to comply with requirements established by the Contract Documents.

E. Testing Agency Responsibilities: Cooperate with CO and Contractor in performance of duties. Provide qualified personnel to perform required tests and inspections.

1. Notify CO and Contractor promptly of irregularities or deficiencies observed in the Work during performance of its services.

2. Interpret tests and inspections and state in each report whether tested and inspected work complies with or deviates from requirements.

3. Submit a certified written report, in duplicate, of each test, inspection, and similar quality-control service through Contractor.

4. Do not release, revoke, alter, or increase requirements of the Contract Documents or approve or accept any portion of the Work.

5. Do not perform any duties of Contractor.

F. Associated Services: Cooperate with agencies performing required tests, inspections, and similar quality-control services, and provide reasonable auxiliary services as requested. Notify agency sufficiently in advance of operations to permit assignment of personnel. Provide the following:

1. Access to the Work.

2. Incidental labor and facilities necessary to facilitate tests and inspections.

3. Adequate quantities of representative samples of materials that require testing and inspecting. Assist agency in obtaining samples.

4. Facilities for storage and field-curing of test samples.

5. Preliminary design mix proposed for use for material mixes that require control by testing agency.

6. Security and protection for samples and for testing and inspecting equipment at Project site.

G. Coordination: Coordinate sequence of activities to accommodate required quality-assurance and quality-control services with a minimum of delay and to avoid necessity of removing and replacing construction to accommodate testing and inspecting.

1. Schedule times for tests, inspections, obtaining samples, and similar activities.

part 2 – PRODUCTS not applicable

01400 - 4 part 3 – EXECUTION

1.6 REPAIR AND PROTECTION

A. General: On completion of testing, inspecting, sample taking, and similar services, repair damaged construction and restore substrates and finishes.

1. Provide materials and comply with installation requirements specified in other Sections of these Specifications. Restore patched areas and extend restoration into adjoining areas in a manner that eliminates evidence of patching.

2. Comply with the Contract Document requirements for Division 1 Section "Cutting and Patching."

B. Protect construction exposed by or for quality-control service activities.

C. Repair and protection are Contractor's responsibility, regardless of the assignment of responsibility for quality-control services.

END OF SECTION

01400 - 5

SECTIOn 01660

Product handling and storage requirements Edit Section number above and the title of the section. Remove text enclosed in angle brackets <> and insert text appropriate for the Project. Revise as necessary to describe the Project accurately. Insert additional paragraphs as appropriate, detailing fully miscellaneous provisions. For better control on numbered paragraphs, click the Protect Form button on the Format toolbar and change to the Outline View. To insert additional paragraphs, place the cursor at the end of the line after which you want to add text. Press the Enter key to create a new paragraph. Press the TAB key to indent one level. (To move from a 1.1 level to a level A, press TAB twice). Press SHIFT+TAB to back out a level. Develop paragraphs to satisfy specific Project requirements. To hide these instructions, click the Show/Hide ¶ button on the Standard Toolbar.

PART 1 - GENERAL

1. List Level 1

1.1 summary

A. Work includes protecting products scheduled for use in the work by means including, but not necessarily limited to, those described in this section. Include within the Contractor's quality assurance program such procedures as are required to assure full protection of work and materials.

B. Equipment and supplies, approved by the CO and in storage, shall be installed in the same physical and mechanical condition as when approved by the CO.

1.2 testinglaboratory recomendations

A. Except as otherwise approved by the CO, determine and comply with testing Laboratory's recommendations on product handling, storage and protection.

1.3 packaging

A. Delivery of products to the job site:

1. Maintain packaged materials with seal unbroken and labels Intact until time of use.

2. Promptly remove damaged material and unsuitable Items from the job site, and promptly replace with material meeting the specified requirements, at no additional cost to the Government.

B. The CO will reject as non‑complying such material and products that do not bear Identification satisfactory to the CO as to grade, quality, and other pertinent information.

1.4 protection

A. Protect finished surfaces over which equipment and materials are handled.

B. Maintain finished surfaces suitably protected until accepted by the Government.

1.5 repairs and replacements

A. In event of damage, promptly make replacements and repairs to the item as directed and approved by the Contracting Officer and at no additional cost to the Government.

01660 - 1

B. Additional time required to secure replacements and to make repairs will not be considered by the Contracting Officer to justify an extension in the Contract Time of Completion.

PART 2 – PRODUCTS

2. List Level 2

PART 3 – EXECUTION

3. List Level 3

END OF SECTION

01660 – 2 SECTIOn 01950

MOBILIZATION

Edit Section number above and the title of the section. Remove text enclosed in angle brackets <> and insert text appropriate for the Project. Revise as necessary to describe the Project accurately. Insert additional paragraphs as appropriate, detailing fully miscellaneous provisions. For better control on numbered paragraphs, click the Protect Form button on the Format toolbar and change to the Outline View. To insert additional paragraphs, place the cursor at the end of the line after which you want to add text. Press the Enter key to create a new paragraph. Press the TAB key to indent one level. (To move from a 1.1 level to a level A, press TAB twice). Press SHIFT+TAB to back out a level. Develop paragraphs to satisfy specific Project requirements. To hide these instructions, click the Show/Hide ¶ button on the Standard Toolbar.

PART 1 - GENERAL

1. List Level 1

1.1 SUMMARY

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

1.2 Measurement and payment

A. The accepted quantities will be paid at the contract unit price for this pay item as shown in the Schedule of Items. The Government will pay to the Contractor the total premiums paid by the Contractor to obtain bonds in the first progress payment. This payment for bonding shall not be in addition to the contract price but will be included in the bid price for Mobilization.

PART 2 – PRODUCTS

NOT APPLICABLE

2. List Level 2

PART 3 - EXECUTION

3. List Level 3

3.1 progress payments

A. When five percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization (less bonding costs), or five percent of the original contract amount, whichever is less, will be paid in addition to the bonding costs.

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

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

D. The total of all payments shall not exceed the original contract amount for this item.

END OF SECTION

01950 – 1

SECTION 02100

CLEARING & GRUBBING

GENERAL

1.01 SCOPE: This specification applies to the clearing and grubbing of construction areas within the project areas. This specification also applies to the clearing and grubbing of construction areas for kiosk sites, walkways, parking lot, ditches and other areas. The areas to be cleared shall be kept to a minimum compatible with construction activities.

A. Work Included. Clearing and grubbing shall consist of clearing the areas of all brush and other vegetation, rubbish, and all other objectionable material within the roadway and building site and parking area and shall include grubbing stumps, roots, and matted roots and disposing of all spoils material resulting from the clearing and grubbing.

1.02 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work of this section. Work shall be considered incidental to construction of developed structures.

PRODUCTS

None

EXECUTION

3.01 CLEARING: The Contractor shall remove all vegetation, debris, organic matter, and otherwise objectionable material which is not suitable for use as fill or for support of structural loads or slabs from the site.

END OF SECTION

02100 - 1

SECTION 02111

REMOVAL OF STRUCTURES AND OBSTRUCTIONS

GENERAL

1.01 Scope: Includes removal of existing interpretive sign pedestals to be relocated AS SHOWN ON THE DRAWINGS.

PRODUCTS

2.01 Remove 8 (qty) interpretive sign bases, AS SHOWN ON THE DRAWINGS. The sign based will be stockpiled at construction site for reinstallation. Dispose of the concrete footing debris at the nearest approved sanitary landfill

2.02 The excavation shall be backfilled with waste excavation material from the interpretive site construction. The backfill shall be placed, consolidated, and compacted in accordance with Section 02220.

END OF SECTION

02111-1

SECTION 02220

EARTHWORK

GENERAL

1.01

DESCRIPTION OF WORK

A.

Extent of Earthwork:

As shown on the drawings and specified herein, includes, but is not limited to:

1.

Preparation of subgrade for all aggregate work.

2.

Base course for support of concrete work.

3.

Excavation, bedding, backfilling, and compaction.

B.

Definition:

1.

"Excavation" consists of removal of material encountered to necessary elevations and subsequent disposal of materials removed.

QUALITY ASSURANCE

Codes and Standards:

Perform excavation work in compliance with applicable requirements of governing authorities having jurisdiction.

Testing and Inspection Service:

1.

Government will perform soil testing and inspection services for quality control testing.

1.03

REFERENCE POINTS

Maintain all benchmarks, monuments, and other reference points.

1.04

USE OF EXPLOSIVES

A.

The use of explosives is permitted, with prior approval of the C.O. and in compliance with FSS 220.

02220 – 1

1.05

SUBMITTALS

The Contractor shall submit in accordance with Section 01300, evidence of the aggregate gradation specified.

PRODUCTS

2.01

SOIL MATERIAL

Definitions:

Satisfactory soil materials:

a.

Satisfactory soil materials are defined as those complying with

ASTM D2487 soil classification groups GW, GP, GM, SM, SW, and SP.

Unsatisfactory soil materials:

Unsatisfactory soil materials are defined as those complying with

ASTM D2487 soil classification groups GC, SC, ML, MH, CL, CH, OL, and PT.

General:

All fill material shall be approved by the C.O.

Satisfactory excavated soil materials from the site may be used.

C.

Borrow, backfill, and fill material:

Satisfactory soil materials free of clay, rock, or gravel not larger than 4" in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

02220-2

E.

Bed Course:

Aggregate shall be crushed stone, crushed slag, crushed gravel or natural gravel and shall conform to the following gradation:

Sieve

% Passing

3/4"

NO. 4

30-65

NO. 8

25-55

NO. 200

3-12

EXECUTION

3.01

EXCAVATION

Excavation is unclassified. Unclassified excavation shall consist of the excavation of all materials of whatever character required for the work.

Excavation for Structures & Trenching:

Construct excavation to dimensions and elevations to permit placing and removal of formwork, installation of services, other construction, and for inspection.

Trim bottoms to required lines and grades to leave a solid base to receive work.

Protection of Excavation:

Protect excavation from freezing. Excavation shall not be compacted while frozen.

Prevent accumulation of water in excavations. Saturated clay shall be compacted only after it has dried.

3.02

DEWATERING

A.

Prevent surface water and subsurface or ground-water from flowing into excavations and from flooding project site and surrounding area.

B.

Do not allow water to accumulate in excavations. Remove water to prevent softening of foundation bottoms, undercutting footings, and soil changes detrimental to stability of subgrades and foundations. Provide and maintain pumps, well points, sumps, suction and discharge lines, and other dewatering system components necessary to convey water away from excavations.

02220 – 3

3.03

BACKFILL AND FILL

Place approved material in 6 inch layers to required subgrade elevation for each area classification listed below.

In excavation - Use approved excavated material as specified in

2.01.

b.

Under on-grade slabs - Use 6 inches of drainage fill and bed course material, as SHOWN ON THE DRAWINGS.

c.

Fine grading use topsoil.

Placement and Compaction:

Place backfill and fill materials in layers not more than 6 inches in loose depth for material to be compacted.

Before compaction, the material shall be within plus or minus 2% of optimum moisture. It shall be the Contractor's responsibility to achieve optimum moisture.

3.

Place backfill and fill materials evenly adjacent to structures, piping, or conduit to required elevations. Prevent wedging action of backfill against structures or displacement of piping or conduit. Carry material uniformly around structure, piping, or conduit.

4.

The following compacted rates shall be obtained:

Percent

Test

Area

95%

T180

Slabs

Method D

90%

T99

All other areas 02220 - 4 3.04

GRADING

Uniformly grade areas within limits of grading under this section, including adjacent transition areas.

Grading Outside Building Lines:

Grade areas adjacent to building lines to drain away from structures and to prevent ponding. Slope grade away from structures as shown on the drawings and as determined in the field.

Finish surfaces free from irregular surface changes, and as follows:

Unpaved Areas: Finish areas to receive topsoil to within 0.10" above or below required subgrade elevations.

Grading Surface of Fill Under Ramp Slabs:

Grade smooth and even, free of voids, compacted as specified, and to required elevation.

Tolerance for final grades shall be 1/2" when tested with a 10' straight-edge.

3.05

CLEAN-UP AND DISPOSAL

Material determined unsuitable for use as fills or topsoil shall be disposed of in accordance with Section 01710.

02220 – 5

SECTION 03100

CONCRETE FORMWORK

GENERAL

SCOPE: This work shall consist of furnishing and placing all formwork, formwork supports, formwork coating and soaking, screeds and levels required. Work shall also include all formwork removal.

MEASUREMENT AND PAYMENT: No separate payment will be made for the work of this Section.

FORM COATINGS: Provide commercial formulation form coating compounds that will not bond with, stain, nor adversely affect concrete surface's bond or adhesion, nor impede the wetting of surfaces to be cured with water or curing compunds.

2.02 FORMS: Forms shall consist of plyform grade plywood, or approved equal, for exposed work; and boarding or plywood for concealed work.

2.03 WALERS, STUDS, AND BRACES: Support materials shall be of size and spacing to assure satisfactory alignment and strength of forms.

EXECUTION

INSTALLATION: All formwork shall be built accurately to the dimensions of the formed structure as shown on the Drawings. Forms shall be of sufficient strength to withstand any load during construction without undue deflection. Formwork shall be adjusted as required for the installation of work by others.

A. Form Coatings: Coatings shall be applied according to the manufacturer's recommendations.

B. Cleaning Forms: At the time concrete is placed in the forms, the surfaces of the forms shall be free from mortar or grout deposits or other foreign material.

C. Soaking: Forms shall be completely soaked until all joints are tight immedaitely before placement of concrete.

D. Approval of Work: All forms and foundations shall be approved by the Contracting Officer before placement of concrete.

03100 - 1

REMOVAL OF FORMS:

A. General: No form shall be removed until approval from the Contracting Officer is obtained.

B. Forms: Forms shall not be disturbed for at least seven days after the last concrete is placed, except as authorized by the Contracting Officer.

03100 – 2

SECTION 03200

CONCRETE REINFOCEMENT

SCOPE: The work of this Section consists of furnishing and placing the reinforcing steel required for this project As Shown On The Drawings or as specified herein.

QUALITY ASSURANCE: The fabrication and placement of the reinforcing steel shall be done in accordance with the following:

A. Uniform Building Code (UBC), 1997 edition.

B. Concrete Reinforcing Steel Institute's (CRSI) "Manual of Standard Practice."

C. CRSI "Placing Reinforcing Bars."

D. CRSI "Reinforcement Anchorages and Splices."

E. American Concrete Institute (ACI) "Building Code requirements for Reinforced Concrete" ACI 318-89.

F. ACI 315-89 "Manual of Standard Practice for Detailing Reinforced Concrete Structures."

SUBMITTALS: Data necessary to prove compliance with the Contract Documents shall be submitted in accordance with Section 01340.

1.04

PRODUCT HANDLING:

A. Comply with Section 01640.

B. Store reinforcing steel on timbers on the ground in such a manner as to prevent excessive rusting and to keep the steel free of mud dirt, grease, oil and other bond-reducing coatings.

C. Maintain bundle identification after bundles are broken.

1.05 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work specified in this Section.

03200 - 1

REINFORCING MATERIALS AND ACCESSORIES:

A. Bars: Provide deformed billet steel bars meeting the requirements of ASTM A 615-81a, Grade 40.

Steel Wire: Shall meet the requirements of ASTM A 82-79. The wire shall be No. 16 gauge minimum, black, soft-annealed steel.

Welded Wire Fabric (If Shown on The Drawings): Shall meet the requirements of ASTM A 185-79.

D. Bolsters, chairs, spacers and other devices for spacing, supporting, and fastening reinforcement in place: Shall be in accordance with CRSI recommendations.

FABRICATION: Fabricate reinforcing bars to the required shapes and dimensions AS SHOWN ON THE DRAWINGS or specified herein.

EXECUTION

INSTALLATION:

1. Comply with the specified standards for detail and method of placing reinforcement and supports, except as may be modified herein.

2. Clean reinforcement to remove loose rust and mill scale, earth, and other materials which reduce or destory bond with concrete.

3. Position, support, and secure reinforcement against displacement by formwork, construction, and concrete placing operations.

4. Locate and support reinforcement by metal chairs, runners, bolsters, spacers, and hangers as required.

5. Place reinforcement to obtain minimum coverages for concrete protection.

6. Arrange, space, and securely tie bars and bar supports together with the specified tie wire.

7. Set wire ties so twisted ends are directed away from exposed concrete surfaces.

03200 – 2

B. Install welded wire fabric in the longest lengths practicable, lapping adjoining pieces at least one full mesh.

C. Provide sufficient numbers of supports, and of sufficient strength to carry the reinforcement.

D. Do not place reinforcing bars more than two inches beyond last leg of any continuous bar support.

E. Do not use supports as bases for runways for concrete conveying equipment and similar construction loads.

SPLICES:

A. Lap Splices: Tie securely with the specified wire to prevent displacement of splices during placement of concrete.

Splice Devices:

1. Obtain the Contracting Officer's approval prior to using splice devices.

2. Install in accordance with manufacturer's written instructions.

3. Splice in a manner developing at least 125 percent of the yielding strength of the bar.

C. Do not splice bars except at locations Shown On The Drawings, except as otherwise specifically approved by the Contracting.

03200 – 3

SECTION 03300

CONCRETE

SCOPE: The work specified in this section is to install concrete flat work and footings. The work shall include but not be limited to excavation for slabs and footings; forming, reinforcing and installation of new concrete slabs and footings and installing embedded items and incidentals AS SHOWN ON THE DRAWINGS and herein specified.

1.02 QUALITY ASSURANCE:

A. The work shall be done in accordance with the following:

American Concrete Institute’s (ACI) Standards 318-89, ACI 117-90, ACI 305R-78, ACI 306R-78, ACI304-78, ACI 308-71, ACI 309-72, ACI “Slabs on Grade”.

Concrete Reinforcing Steel Institute’s (CRSI) Manual of Standard Practice #MSP-2-81.

Portland Cement Association’s Design and Control of Concrete Mixtures.

B. Provide test reports and mill certificates and other technical data showing cement provided meets the requirements AS SHOWN ON THE DRAWINGS and herein specified.

1.03 SUBMITTALS: Submit in accordance with Section 01340 a concrete mix design to be used for the concrete on the project for review and approval by the Contracting Officer. Mix design shall show maximum permissible job site addition of water. No concrete work shall start until such approval is granted.

1.04 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work of this section.

PRODUCTS

2.01 MATERIALS: Materials shall be AS SHOWN ON THE DRAWINGS or as specified herein.

2.02 PORTLAND CEMENT: Portland Cement shall meet the requirements of ASTM C150, Type I or II. Cement shall be same brand for all the work.

2.03 ADMIXTURES: Use only standard brand admixtures approved by the Contracting Officer.

2.04 AGGREGATES: Aggregates shall meet the requirements of ASTM C33.

03300 – 1

EXECUTION

3.01 MIXING: Ready-mix concrete shall be batched, mixed and transported in accordance with ASTM C94.

3.02 WATER ADDITION: Normally do not deliver concrete with total amount of permissible water already added. Withhold at least 2-1/2 gallons of water per cubic yard of concrete and add at the job site for proper workability and mix thoroughly for at least 5 minutes. Do not add water after the discharge of concrete has commenced. Do not exceed the maximum mix design’s water/cement ratio or maximum slump.

3.03 DELIVERY TIME: Concrete will be rejected if not discharged within 1-1/2 hours unless a mix design with retarder has been approved by the Contracting Officer.

3.04 QUALITY CONTROL: The concrete at the Contracting Officer’s discretion may be sampled and tested as follows:

A. ASTM C172 “Method of Sampling Fresh Concrete”

B. ASTM C143 “Slump”

C. ASTM C231 “Air Content”

D. ASTM C39 “Cylinders-Compression Test”

3.05 CONSOLIDATION: Concrete footings and slab shall be vibrated but care shall be taken to insure the concrete is not over vibrated. Do not use vibration to move the concrete.

3.06 PLACEMENT/FINISH: Place and finish concrete AS SHOWN ON THE DRAWINGS.

3.07 CLEAN UP: The Contractor shall thoroughly clean the project site of all debris, construction materials and the like prior to requesting final inspection and payment. All debris and the like resulting from the work shall be removed from Government property and properly disposed of in accordance with City and State regulations.

3.08 SAFETY: The contractor has sole responsibility for the safety of the workers and all other person who may be affected by the work.

03300 – 2

SECTION 04220

STONE MASONRY

PART 1 - GENERAL

1.01

RELATED WORK IN OTHER SECTIONS

A.

Concrete Work - Section 03300

1.2

DESCRIPTION OF WORK

A.

Extent of each type of masonry work is indicated on drawings and schedule.

B.

Types of masonry work required include:

1.

Native sandstone stone masonry.

2.

Mortar and grout material.

1.03

QUALITY ASSURANCE

A.

Single Source Responsibility for Native Stone:

1. Obtain exposed native stone of uniform texture and color, or a uniform blend within the ranges accepted for these characteristics, from one manufacturer/source for each different product required for each continuous surface or visually related surfaces. Native stone shall be of the type and characteristic of the surrounding ecosystem.

A.

Stone shall be “2-6” Colorado Buff 4” strip sandstone from Pioneer Stone, 6705 S. College, Ft Collins, CO , (970) 223-4505 OR APPROVED EQUAL.

B.

Cap stone shall be 2” thick Colorado Buff sandtone from Pioneer Stone, 6705 S. College, Ft Collins, CO , (970) 223-4505 OR APPROVED EQUAL.

B.

Single Source Responsibility for Mortar Materials:

1.

Obtain mortar…