Exhibit B - Technical Specifications.pdf

A

TECHNICAL

SPECIFICATIONS

Benedict Park Trail Stairs

Prepared for:

Town of Snowmass Village

130 Kearns Rd Snowmass Village, CO

81615

Prepared by:

DJ&A, P.C.

11526 Cole Blvd Suite 360 Lakewood, CO 80401

August 20, 2025

Table of Contents

01340 Shop Drawings, Product Data, and Samples

01400 Quality Control

01 3223 Construction Surveying and Staking

03 2000 Concrete Reinforcing

03 3000 Cast-In-Place Concrete

05 5119 Metal Grating Stairs

31 1000 Site Clearing

31 2000 Earth Moving

31 2512 Erosion and Sediment Control

32 9113 Soil Preparation

32 9200 Turf and Grasses

01340 - 1 2025.08.20 Benedict Park Trail Stairs SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES Final Construction Documents

SECTION 01340

SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Submission of all shop Drawings and product data as required by the Contract Documents for all equipment and materials to be furnished under this contract unless specifically indicated otherwise

1.2 RELATED SECTIONS

A. Section 01310—Construction Schedules

B. Section 01370—Schedule of Values

C. Section 01400—Quality Control

D. Section 01630—Product Options and Substitutions

E. Section 01700—Contract Closeout

F. Sections for Divisions 1 through 33—Required Submittals

1.3 SUBMITTALS

A. Shop Drawings—Drawings shall be presented in a clear and thorough manner:

1. Identify details by reference to sheet and detail, schedule as shown on Contract Drawings

2. Identify materials by reference to equipment name and tag number shown on Contract Drawings

3. Scale and Measurements: Make drawings accurate to a scale with sufficient detail to show the kind, size, arrangement and function of component materials and devices

4. Minimum sheet size: 8-1/2 inch by 11 inch

5. Fabrication drawing size: 11 inch by 17 inch or 24 inch by 36 inch

B. Product Data—Preparation:

1. Clearly mark each copy to identify pertinent materials submitted for review

2. Show dimensions and clearances required for installation and maintenance

3. Show external connections, anchorages, and supports required

C. "Certificate of Compliance":

1. Provided by manufacturer or supplier in lieu of submittal data required

2. Certifies that product data or item identified in certificate is in total compliance with Contract

Document requirements

3. Specifically identifies project name and that there is no deviation from Contract Documents

4. Identify materials by reference to equipment name and tag number

5. Identify limits of equipment, materials or work provided

6. Provide for specific product data or item only as indicated herein

D. Construction Schedule: Designate in the construction schedule, or in a separate coordinated shop drawing schedule, the dates for submission and the dates that reviewed Shop Drawings and Product

Data will be needed

E. Samples—Office samples shall be of sufficient size and quantity to clearly illustrate:

1. Functional characteristics of the product, with integrally related parts and attachment devices

2. Full range of color, texture and pattern

3. Comply with requirements identified in individual specification sections

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1.4 CONTRACTOR RESPONSIBILITIES

A. Review shop drawings and product data prior to submission for accuracy and completeness of each submission

B. Approve and stamp each submission before submitting it.

C. Determine and verify:

1. Field measurements

2. Field construction criteria

3. Conformance with specifications

D. Prior to each submission, carefully review and coordinate all aspects of each item being submitted

E. Verify that each item and the submittal for it conform in all respects with specified requirements of the Work and of the Contract Documents with respect to means, methods, techniques, sequences, and operations of construction, and safety precautions and programs incidental thereto.

F. Make submissions promptly in accordance with Construction Schedule, and in such sequence as to cause no delay in the Work or in the work of any other contractor

G. Limit requirements for expedited submittal review by Engineer to no more than 10 percent of total number of submittals:

1. Expedited submittal review period: Less than 7 calendar days

H. Notify Engineer in writing, at time of submission, of any deviations in the submittals from Contract

Document requirements:

1. Identify and tabulate all deviations in transmittal letter

2. Indicate essential details of all changes proposed, including modifications to other facilities that may be a result of the deviation

3. Include required piping and wiring diagrams

I. Provide resubmissions within 7 calendar days following return of reviewed submissions for submittal items with disposition of either “Rejected” or “Revise and Resubmit”. Promptly address noted Contract Document requirements, unresolved issues and all other comments of Engineer prior to final review and approval by Engineer of resubmissions. Contractor will be notified by

Engineer of any deficient submittal items after the specified number of calendar days required for resubmissions has expired.

1.5 SUBMISSION REQUIREMENTS

A. Make submissions far enough in advance of scheduled dates for installation to provide time required for reviews, for securing necessary approvals, for possible revisions and resubmissions, and for placing orders and securing delivery

B. In scheduling, allow a minimum of 7 calendar days for review by Engineer following receipt of submission in Engineer's office:

1. Time required to mail submissions or resubmissions is not considered part of review period

C. Consecutively number all submissions:

1. Assign unique number to include all shop Drawings, product data and other information required for individual specification sections

2. Each specification section may still have more than one submittal number for later submissions

D. Number of Submittals Required:

1. Shop Drawings and Product Data: Submit a maximum of 2 copies for Contractor's use, plus a maximum of 2 copies which will be distributed by Engineer when approved, 1 copy for

Engineer's subconsultant. Do not submit more than 5 copies

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2. Samples: Submit 3 of each office sample unless specified otherwise in individual specification section

E. Accompany each submission with letter of transmittal showing all information required for identification and checking. Submittals shall contain:

1. Submittal number

2. Date of submission and dates of any previous submissions

3. Project title and number

4. Owner Contract identification number if applicable 5. The names of:

a. Contractor

b. Supplier

c. Manufacturer

6. Identification of the product, with specification section number

7. Field dimensions, clearly identified as such

8. Relation to adjacent or critical features of the Work or materials 9. Applicable standards, such as

ASTM or Federal Specification numbers 10. Identification of deviations from Contract Documents:

a. If Contractor proposes to provide material or equipment of work which deviates from the

Contract Documents, indicate so under “deviations” on the transmittal form accompanying the submittal copies

b. Identify all requested deviations as specified and on copies of Specifications and

Drawings

c. If deviations from specifications are indicated and, therefore requested by Contractor, the submittal shall be accompanied by a detailed, written justification for each deviation

d. Failure to include a copy of marked-up specification sections, along with justification for any requested deviations to specification requirements, with the submittal shall be cause for rejection of the entire submittal with no further consideration by Engineer

11. Confirmation of compliance with Contract Documents:

a. Unless a Certificate of Compliance is permitted for material or equipment where specified, provide the following documents to demonstrate compliance with the

Contract Documents:

1) Copy of relevant Drawings with all addendum updates that apply to equipment in

Divisions 2-33 marked to show specific changes necessary for equipment proposed in Contractor’s submittal:

a) If no changes are required, Drawing(s) shall be marked “no changes required”

b) Failure to include copies of relevant drawings with submittal, whether changes are required or not, shall be cause for rejection of entire submittal with no further review by Engineer

2) A copy of each pertinent specification section in Divisions 2-33 with all addendum updates included, and all referenced and applicable specification sections, with their respective addendum updates included, with each paragraph check-marked to indicate specification compliance. Otherwise mark to indicate requested deviations from specification requirements per paragraph 1.5.E.10

12. Identification of revisions on resubmissions

13. An 8 inch by 4 inch blank space for Contractor's and Engineer's stamps

14. Stamp cover sheet of each submittal as identified in letter of transmittal

15. Contractor's stamp: Initialed or signed, certifying review and approval of submittal, verification of products, field measurements and field construction criteria, and coordination of the information within the submittal with requirements of the Work and of Contract Documents.

F. Submittal Log:

1. Maintain an accurate submittal log for duration of the Work showing current status of all submissions

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2. Show submittal number, section number, section title, submittal description dates and disposition of submittal

3. Make submittal log available to Engineer for Engineer's review upon request

G. Unless specified otherwise, make submissions in groups to facilitate efficient review and approval:

1. Include all associated items from individual specification sections to assure that all information is available for checking each item when it is received

2. Submit a complete initial submittal including all components when an item consists of components from several sources

3. Partial submittals may be rejected as not complying with provisions of the Contract

4. Engineer will not be held liable for delays due to poorly organized or incomplete submissions

5. Do not include items from more than one specification section for any one submittal number

H. Contractor may require subcontractors to provide drawings, setting diagrams and similar information to help coordinate the Work, but such data shall remain between Contractor and his subcontractors and will not be reviewed by Engineer unless specifically called for within the Contract Documents

1.6 DISPOSITION OF SHOP DRAWINGS AND PRODUCT DATA

A. "Approved As Submitted": Approved with No Exceptions Noted:

1. One copy sent to Owner

2. One copy sent to Resident Project Representative

3. One copy retained in Engineer's file

4. Remaining copies returned to Contractor for his use:

a. One copy to be kept on file at Contractor's office at job site

b. Remaining copies for Contractor's office file, suppliers, or subcontractors

5. No corrections or comments noted on submittal or in transmittal letter

6. Issues or miscellaneous comments pertaining to other related items of the Work may be included in transmittal letter 7. Resubmission not required

B. "Exceptions Noted": Approved with Corrections Noted:

1. One copy sent to Owner

2. One copy sent to Resident Project Representative

3. One copy retained in Engineer's file

4. Remaining copies returned to Contractor for his use:

a. One copy to be kept on file at Contractor's office at job site

b. Remaining copies for Contractor's office file, suppliers or subcontractors

c. Copies of submittal data in operation and maintenance manuals to be revised according to corrections

5. Comply with corrections or comments as noted on submittal and in transmittal letter

6. Resubmission not required

C. "Revise And Resubmit": Incorrect or Specific Information Still Required:

1. One copy sent to Resident Project Representative

2. One copy retained in Engineer's file

3. All remaining copies returned to Contractor for revision and resubmittal

4. Copy of transmittal letter sent to Owner. An "Approved As Submitted" or "Exceptions Noted" submittal will be forwarded to Owner upon resubmission and review per above disposition requirements

5. Submittal is either: incorrectly annotated; specific comments need to be addressed and incorporated in resubmittal; and/or additional information may be required as noted in transmittal letter

6. Submitted information may not include or address specific item required per the specification as identified in transmittal letter

7. Specific information related to identified item may be required for final approval of submittal

01340 - 5 2025.08.20

8. Resubmission of entire submittal may be required or resubmission of specific item may be required as identified in transmittal letter

D. "Rejected": Returned for Correction:

1. One copy sent to Resident Project Representative

2. One copy retained in Engineer's file

3. All remaining copies returned to Contractor

4. Copy of transmittal letter sent to Owner

5. Contractor required to resubmit complete submittal package in accordance with Contract

Documents

6. Submittal does not comply with provisions of Contract Documents as noted in transmittal letter

7. Resubmission required

E. "Receipt Acknowledged": For Reference Purposes Only or for Record Copy:

1. One copy sent to Resident Project Representative

2. One copy retained in Engineer's file

3. One copy returned to Contractor

4. Copy of transmittal letter sent to Owner

5. Remaining submittal copies destroyed

6. Detailed review and comment by Engineer not required

7. Resubmission not required

1.7 DISPOSITION OF SAMPLES

A. "Approved As Submitted": Approved with No Exceptions Noted:

1. One sample sent to Owner

2. One sample sent to Resident Project Representative

3. One sample retained in Engineer's file

4. Acknowledgment: Copy of transmittal letter sent to Contractor

5. Resubmission not required

B. "Exceptions Noted": Approved with Corrections Noted:

1. One sample sent to Owner

2. One sample sent to Resident Project Representative

3. One sample retained in Engineer's file

4. Acknowledgment: Copy of transmittal letter sent to Contractor

5. Work performed or products furnished to comply with exceptions noted in acknowledgment

6. Resubmission not required

C. "Rejected": Returned for Correction:

1. One sample retained in Engineer's file

2. Remaining samples sent to Contractor for resubmittal and compliance with the Contract

Documents as noted in transmittal letter

3. Copy of transmittal letter sent to Owner

4. Resubmission required

1.8 RESUBMISSION REQUIREMENTS

A. Make any corrections or changes in submittals required by Engineer and resubmit until approved

B. Transmit each resubmission under new letter of transmittal. Use number of original submittal followed directly by a capital letter corresponding to the number of times a submittal is resubmitted (i.e., 1, 1A, 1B, etc.)

C. Shop Drawings and Product Data:

1. Revise initial Drawings or data and resubmit as specified for the initial submittal

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2. Indicate any changes which have been made other than those requested by Engineer D.

Samples: Submit new samples as required for initial submittal

1.9 ENGINEER'S DUTIES

A. Review submittals with reasonable promptness and in accord with approved submission schedule provided that each submittal has been called for by the Contract Documents and is stamped by

Contractor as indicated above:

1. In the event that Engineer will require more than 7 calendar days to perform an expedited submittal review as requested by Contractor, Engineer shall so notify Contractor or indicate so on the submission schedule

2. No extensions of time are allowed due to Engineer’s delay in reviewing submittals unless all the following criteria are met:

a. Contractor has notified Engineer in writing that an expedited review of particular submittal in question is critical to the progress of the Work and Contractor has identified the requested submittal return date

b. Engineer has failed to return submittal within 7 days of receipt of the submittal or receipt of said notice, whichever is later

c. Contractor demonstrates that delay in progress of the Work was directly attributable to

Engineer’s failure to return submittal within 7 days

3. No extensions of time are allowed due to delays in progress of the Work caused by rejection and subsequent resubmission of data, including multiple resubmissions

B. Review drawings and data submitted only for general conformity with Contract Documents:

1. Engineer’s review of drawings and data returned marked “Approved As Submitted” or

“Exceptions Noted” does not indicate a thorough review of all dimensions, quantities, and details of material, equipment device or items shown

2. Engineer’s review does not relieve Contractor of responsibility for errors, omissions or deviations nor responsibility for compliance with the Contract Documents

3. Engineer’s review shall not extend to means, methods, techniques, sequences, operations of construction, and safety precautions and programs incidental thereto. No information regarding these items will be reviewed whether or not included in submittals

C. Assume that no shop Drawing or related submittal comprises a deviation to the Contract Documents unless Contractor advises Engineer otherwise in writing which is acknowledged by Engineer in writing:

1. Consider and review only those deviations from the Contract Documents clearly identified as such in submittal and tabulated in the Letter of Transmittal

2. At the discretion of the Engineer, notify Contractor that review of specific deviations will be reviewed under provisions of Section 01630

D. Return submittals to Contractor for distribution or for resubmission

E. Transmit, unreviewed, to Contractor all copies of submittals received directly from suppliers, manufacturers and subcontractors

F. Transmit, unreviewed, to Contractor all copies of submittals not called for by the Contract Documents or which have not been approved by Contractor

G. Engineer will not review uncalled-for shop drawings or product data except by special arrangement

1.10 SUBMITTAL SCHEDULE

A. Unless indicated otherwise, provide all submittals required by individual sections of the Contract

Documents to establish compliance with the specified requirements

B. Contractor may provide “Certificate of Compliance” in lieu of product data submittal as required above for the following sections:

01340 - 7 2025.08.20

Section Number Section Title Product Data or Item

STEEL

REINFORCEMENT, BAR SUPPORTS, SHOP

03 2000 Concrete Reinforcing DRAWINGS

CONCRETE MIX

03 3000 Cast-In-Place Concrete DESIGN

05 5119 Metal Grating Stairs SHOP DRAWINGS

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION

01400 - 1 2025.08.20 Benedict Park Trail Stairs QUALITY CONTROL Final Construction Documents

SECTION 01400

QUALITY CONTROL

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Quality assurance and control of installation

B. Field samples and mock-up

C. Inspection and testing laboratory services and qualifications

D. Laboratory duties and limitations of authority of testing laboratory

E. Contractor's responsibilities

F. Manufacturer's field services and reports

G. Shop testing

H. Field testing

I. Testing and services schedule

1.2 RELATED SECTIONS

A. Section 01340—Shop Drawings, Product Data, and Samples

B. Section 013223 – Construction Surveying and Staking

C. Section 032000 – Concrete Reinforcing

D. Section 033000—Cast-In-Place Concrete

E. Section 055119 - Metal Grating Stairs

F. Section 310000—Site Clearing

G. Section 312000—Earth Moving

H. Section 312512—Erosion and Sediment Control

I. Section 099300—Soil Preparation

J. Section 329200—Turf and Grasses

1.3 REFERENCES

A. Conform to reference standard by date of issue current on date of Contract Documents

B. Obtain copies of standards when required by Contract Documents

C. Where specified reference standards conflict with Contract Documents, request clarification from

Engineer before proceeding

D. The contractual relationship of the parties to the Contract shall not be altered from the Contract

Documents by mention or inference otherwise in any reference document

1.4 SUBMITTALS

A. Submit under provisions of Section 01340

01400 - 2 2025.08.20

B. Provide copies of written reports for materials, equipment or systems as scheduled at the end of this section. Reference each report by respective section number

C. Laboratory qualifications—Provide statement of qualifications from testing firm and testing firm personnel for review and acceptance by Engineer

D. Field personnel qualifications—Provide statement of qualifications for review and acceptance by

Engineer for the following:

1. Independent special inspector and testing as specified

E. Laboratory test reports—Provide written reports of each test and inspection to Engineer. Each report shall include:

1. Date issued

2. Project title and number

3. Testing laboratory name, address and telephone number

4. Name and signature of laboratory inspector

5. Date and time of sampling or inspection

6. Record of temperature and weather conditions

7. Date of test

8. Identification of product and specification section

9. Location of sample or test in the Project

10. Type of inspection or test

11. Results of tests and compliance with Contract Documents

12. Interpretation of test results when requested by Engineer

F. Shop test reports: Provide reports detailing results of tests and certification from manufacturer to verify compliance with specifications

G. Field test reports: Provide reports detailing results of the tests. Indicate compliance or noncompliance with Contract Documents. Identify corrective action for materials and equipment which fails to pass field tests

H. Manufacturer's field services:

1. Provide qualifications of observer to Engineer 30 days in advance of required observations.

Observer subject to acceptance of Engineer/Owner

2. Provide reports to Engineer through Contractor certifying that:

a. Equipment is properly installed and lubricated

b. Equipment is in accurate alignment

c. Equipment is free from any undue stress imposed by connecting piping and anchor bolts

d. Equipment has operated satisfactorily under full load conditions

1.5 QUALITY ASSURANCE/CONTROL OF INSTALLATION

A. Monitor quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce Work of specified quality

B. Comply fully with manufacturer's instructions, including each step in sequence

C. Should manufacturer's instructions conflict with Contract Documents, request clarification from

Engineer before proceeding

D. Comply with specified standards as a minimum quality for the Work except when more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship

E. Secure Products in place with positive anchorage devices designed and sized to withstand stresses, vibration, physical distortion or disfigurement

01400 - 3 2025.08.20

F. Inspections and testing required by laws, ordinances, rules, regulations, orders or approvals of public authorities: Conditions of the Contract

G. Certification of products: Respective sections of specifications

H. Testing, adjusting and balancing of equipment: Respective sections of specifications

I. Laboratory tests required and standards for testing: Respective sections of specifications

1.6 INSPECTION AND TESTING LABORATORY SERVICES

A. Owner will employ and pay for the services of an independent testing laboratory to perform specified laboratory testing of materials where the technical specifications specifically obligate the

Owner to provide the services:

1. Contractor shall cooperate with the laboratory to facilitate the execution of its required services

2. Employment of the laboratory shall in no way relieve Contractor's obligations to perform the

Work of the Contract

B. Owner shall employ and pay for the services of an independent testing laboratory to perform all specified services and testing not specifically identified in the technical specifications to be provided by Owner related to the design of mixes, products and equipment, to Engineer's review of proposed materials and equipment before, during and after incorporation in the Work and to retest materials and equipment which fail original tests:

1. Employment of the laboratory shall in no way relieve Contractor's obligations to perform the

Work of the Contract

C. Retesting required because of non-conformance to specified requirements shall be performed by the same independent firm on instructions by the Engineer. Payment for retesting will be charged to the Contractor by deducting inspection or testing charges from the Contract Sum/Price

1.7 QUALIFICATION OF LABORATORY

A. Perform all tests to determine compliance with Contract Documents by an independent commercial testing firm acceptable to Engineer

B. Testing firm’s laboratory: Staffed with experienced technicians, properly equipped and fully qualified to perform tests in accordance with specified standards

C. Meet basic requirements of ASTM E 329, "Standards of Recommended Practice for Inspection and Testing Agencies for Concrete and Steel as Used in Construction" as applicable D.

Authorized to operate in the State in which the Project is located

E. Testing equipment:

1. Calibrated at reasonable intervals by devices of accuracy traceable to either:

a. National Bureau of Standards

b. Accepted values of natural physical constants

1.8 LABORATORY DUTIES

A. Cooperate with Engineer and Contractor; provide qualified personnel after due notice

B. Perform specified inspections, sampling, and testing of materials and methods of construction:

1. Comply with specified standards

2. Ascertain compliance of materials with requirements of Contract Documents

C. Promptly notify Engineer and Contractor of observed irregularities or deficiencies of work or products

1.9 LIMITATIONS OF AUTHORITY OF TESTING LABORATORY

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A. Laboratory is not authorized to:

1. Release, revoke, alter or enlarge on requirements of Contract Documents

2. Approve or accept any portion of the Work

3. Owner employed laboratory shall not perform any duties of the Contractor

1.10 CONTRACTOR'S RESPONSIBILITIES

A. Cooperate with field testing personnel and provide access to Work

B. Secure and deliver to the laboratory adequate quantities of representative samples of materials proposed to be used and which require testing

C. Provide to the laboratory the preliminary design mix proposed to be used for concrete and other material mixes which require control by the testing laboratory D. Furnish copies of product test reports as required

E. Furnish incidental labor and facilities:

1. To provide access to Work to be tested

2. To obtain and handle samples at the project site or at the source of the product to be tested

3. To facilitate inspections and tests

4. For storage and curing of test samples

F. Cooperate with independent firm; furnish samples of materials, design mix, equipment, tools, storage and assistance as requested:

1. Notify Engineer and independent firm 24 hours prior to expected time for operations requiring services to allow for scheduling of tests and laboratory assignment of personnel

2. Make arrangements with independent firm and pay for additional samples and tests required for Contractor's use

G. Contractor shall pay all costs for repeated observations, re-inspection or retesting by testing

Agency due to non-conforming work

H. Additional tests, inspections and related services: Contractor shall be charged costs for additional tests, inspections and related services due to the following:

1. Work is not ready to inspect when testing agency arrives.

2. Failure to properly schedule or notify testing agency or authorities having jurisdiction.

3. Changes in sources, lots or suppliers of materials after original tests.

4. Changes in means, methods, techniques sequences and procedures of construction that necessitate additional testing, inspection and related services.

5. Changes in mix designs for concrete after review and acceptance of submitted mix design.

6. Fabrication and installation errors.

1.11 MANUFACTURER'S FIELD SERVICES

A. Contractor shall coordinate and pay for the services of manufacturers' representatives to perform the specified services.

B. When specified in individual specification Sections, require material or Product suppliers or manufacturers to provide qualified staff personnel to observe site conditions, conditions of surfaces and installation, quality of workmanship, startup of equipment, testing, adjusting and balancing of equipment and, as applicable, to initiate instructions when necessary

C. Individuals to report observations and site decisions or instructions given to applicators or installers that are supplemental or contrary to manufacturer's written instructions

01400 - 5 2025.08.20

D. Qualification of Manufacturer's Representative: Authorized representative of the manufacturer;

experienced in the application and installation of the subject equipment

E. Inspect, check and adjust equipment as required and approve installation

F. Be present when equipment is placed in operation

G. Revisit the site as often as required to correct all problems and until equipment installation and operation are acceptable to Engineer

H. Instruct Owner's personnel in operation and maintenance of the equipment in accordance with

Section 01730 and respective sections of specifications

1.12 SHOP TESTS

A. Contractor shall coordinate and pay all costs associated with specified shop tests of equipment, including retesting of items which fail original tests specifically identified in the technical specifications

B. Where the specifications call for a shop test to be witnessed by a representative of the Engineer, notify Engineer not less than 7 days prior to the scheduled test date:

1. Owner is to pay for all costs of Engineer's first visit

2. When subsequent visits by Engineer are required because of incomplete tests, retesting or subsequent tests, Contractor shall reimburse Owner for all costs of the subsequent visits

1.13 FIELD TESTING

A. Owner shall pay all costs associated with field testing of materials as required in respective sections of the specification

B. Provide all required materials, labor, equipment, water, and power required for testing

C. Perform all tests in presence of Engineer and provide one copy of field test results to Engineer and Owner same day of tests

D. Repair with no additional compensation all materials and equipment which fail during testing

1.14 TESTING AND SERVICES SCHEDULE

A. Testing laboratory services shall be provided for, but shall not be limited to, the following:

Specification Type of Material, Equipment

Section or System

Section 03 3000 Concrete: Mix Design, Cement, Compressive Strength, Admixtures

1.15 SHOP TESTING

A. Shop testing shall be provided for the following:

Specification Type of Material, Equipment

Section or System

1.16 MANUFACTURER'S FIELD SERVICES

A. Manufacturer's field services shall be provided for, but shall not be limited to, the following:

01400 - 6 2025.08.20

Specification Type of Material, Equipment

Section or System

1.17 FIELD TESTING

A. Field testing shall be provided for, but shall not be limited to, the following:

Specification Type of Material, Equipment

Section or System

Section 03 3000 Temperature, slump, air content, unit weight, and compression test specimens.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

SECTION 01 3223

CONSTRUCTION SURVEYING AND STAKING

PART 1 – GENERAL

1.1 SECTION INCLUDES

A. Surveyor shall provide all materials, items, operations or methods specified, listed or scheduled in

Specifications and Drawings, including all materials, labor, equipment and incidentals necessary and required to conduct proper surveys required to stake and layout the Work.

B. Owner will identify existing site reference points and baselines as shown on the Drawings.

C. Surveyor shall perform all surveys for the Work including checking existing survey control reference point locations and elevations; reestablishing construction control, resetting of stakes and monuments, measurement for payment of completed work, and performing surveys needed for restoration of public and private improvements that have been damaged, destroyed, or relocated by Contractor.

D. All surveys and staking shall be performed under the direction of a land surveyor licensed in the

State of Colorado.

E. The cost to the Contractor of all work and delays occasioned by giving lines and grades, or making other necessary measurements, will be considered as having been included in the unit and lump sum prices for items of Work.

1.2 RELATED SECTIONS A. Not Used.

1.3 SUBMITTALS

A. Surveyor: The surveyor performing the on site construction staking shall have a minimum of 5 years of construction staking experience. A resume detailing the experience level of the licensed land surveyor shall be submitted to Engineer for review 10 days prior to the start of any staking activities.

B. Survey Records: Contractor shall use the control points established and shown on the Drawings.

As the work progresses, all subsequent changes to the survey control plan shall be submitted.

C. A certificate signed by the land surveyor, stating that the elevations and locations of the Work are in conformance with Contract Documents shall be submitted at Contract closeout.

1.4 PROJECT PRIMARY SURVEY CONTROL

A. Horizontal and vertical primary survey control to be provided by the owner.

B. Contractor shall be responsible for checking the position of the reference points comprising the project control prior to starting site work and shall notify Engineer of discrepancies found between actual and record measurements.

C. Protection of monuments and stakes shall be the responsibility of Contractor. Replacement of damaged control and reference points shall be at Contractor’s expense.

1.5 SECONDARY CONTROL

A. From the primary reference control established by the Contractor, the Contractor shall establish secondary control points necessary for the construction of the Work. Secondary control shall consist of sufficient permanent points to establish the lines and grades for the various Work either directly

01 3223 - 1 2025.08.20

01 3223 - 1 2025.08.20 Benedict Park Trail Stairs CONSTRUCTION SURVEYING AND STAKING Final Construction Documents or by offset. Layout lines for use in construction of the Work shall be established by the

Contractor and taken directly from either the primary or secondary controls.

B. Secondary control shall be tied to and closed upon the primary control

1.6 ACCURACY OF SURVEYS

A. Points for cross sections shall be located to the nearest 0.05 foot horizontally and vertically.

B. Vertical elevation surveys shall close within 0.05 foot times the square root of the length of the circuit in miles.

C. All grade stakes shall be set to 0.02 foot.

D. Alignment of tangents and curves shall be within 0.01 foot.

E. Points for structures shall be set to the nearest 0.02 foot, except where operational function of special features require closer tolerances.

F. Survey movement monuments shall be surveyed within an accuracy of 0.01 foot vertical and 0.01 foot horizontal.

G. Tolerances for all other Work shall be as shown or specified in the Contract Documents.

H. Survey instruments shall be accurate and shall be subject to inspection by Engineer for proper operation.

1. Electronic distance measuring (EDM) instruments used by Contractor on the Site shall be checked for calibration a minimum of once per month on an established base line approved by Engineer. Calibration results shall be kept in a log book, available for Engineer’s review, showing the date and distances measured on the base line. An EDM shall not be used if it does not meet the minimum advertised accuracy published by the manufacturer of the EDM.

2. Defective instruments shall be promptly replaced, repaired, or adjusted to operate within the tolerances of the instrument manufacturer.

I. All work not performed with the methods and equipment as submitted by Contractor and accepted by Engineer shall be removed and replaced by Contractor at its own expense.

1.7 PROTECTION OF MONUMENTS, STAKES, AND MARKS

A. Contractor shall preserve and protect all survey monuments and related marks. When removal is necessary, Contractor shall accurately reference the monuments or related marks, subject to the approval of Engineer.

1. All survey stakes, control points, monuments, benchmark, or reference stakes disturbed or destroyed during the work shall be replaced and reset to the satisfaction of Engineer at

Contractor’s expense.

2. Primary or secondary control monuments removed shall be reset by Contractor as soon as the Work requiring the removal is complete. Alternatively, other control points may be set so as to reestablish the control network.

3. The position of monuments, control points, or other marks that are subject to movement due to the passage of equipment or other forces shall be rechecked at regular intervals, but not less than monthly.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION (NOT USED)

200-23493-21001 01 3223 - 2 2021.09.30 Brush Creek Road Stairs CONSTRUCTION SURVEYING AND STAKING Final Construction Documents

03 2000 - 1 2025.08.20 Benedict Park Trail Stairs CONCRETE REINFORCING Final Construction Documents

SECTION 03 2000

CONCRETE REINFORCING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Steel reinforcement bars.

1.2 ACTION SUBMITTALS

A. Product Data: For the following:

1. Each type of steel reinforcement.

2. Bar supports.

B. Shop Drawings: Comply with ACI SP-066:

1. Include placing drawings that detail fabrication, bending, and placement.

2. Include bar sizes, lengths, materials, grades, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, location of splices, lengths of lap splices, details of mechanical splice couplers, details of welding splices, tie spacing, hoop spacing, and supports for concrete reinforcement.

1.3 INFORMATIONAL SUBMITTALS

A. Material Test Reports: For the following, from a qualified testing agency:

1. Steel Reinforcement.

2. Mechanical splice couplers.

PART 2 - PRODUCTS

2.1 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A615/A615M, Grade 60, deformed.

B. Low-Alloy Steel Reinforcing Bars: ASTM A706/A706M, deformed.

2.2 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place.

03 2000 - 2 2025.08.20

1. Manufacture bar supports from steel wire, plastic, or precast concrete in accordance with

CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows:

a. For concrete surfaces exposed to view, where legs of wire bar supports contact forms, use CRSI Class 1 plastic-protected steel wire, all-plastic bar supports, or

CRSI Class 2 stainless steel bar supports.

B. Steel Tie Wire: ASTM A1064/A1064M, annealed steel, not less than 0.0508 inch in diameter.

1. Finish: Plain.

2.3 FABRICATING REINFORCEMENT

A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice."

PART 3 - EXECUTION

3.1 PREPARATION

A. Protection of In-Place Conditions:

1. Do not cut or puncture vapor retarder.

2. Repair damage and reseal vapor retarder before placing concrete.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that reduce bond to concrete.

3.2 INSTALLATION OF STEEL REINFORCEMENT

A. Comply with CRSI's "Manual of Standard Practice" for placing and supporting reinforcement.

B. Accurately position, support, and secure reinforcement against displacement.

1. Locate and support reinforcement with bar supports to maintain minimum concrete cover.

2. Do not tack weld crossing reinforcing bars.

C. Preserve clearance between bars of not less than 1 inch, not less than one bar diameter, or not less than 1-1/3 times size of large aggregate, whichever is greater. D. Provide concrete coverage in accordance with ACI 318.

E. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

F. Splices: Lap splices as indicated on Drawings.

1. Bars indicated to be continuous, and all vertical bars to be lapped not less than 36 bar diameters at splices, or 24 inches, whichever is greater.

03 2000 - 3 2025.08.20

2. Stagger splices in accordance with ACI 318.

3.3 INSTALLATION TOLERANCES

A. Comply with ACI 117.

03 3000 - 1 2025.08.20 Benedict Park Trail Stairs CAST-IN-PLACE CONCRETE Final Construction Documents

SECTION 03 3000

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Cast-in-place concrete, including concrete materials, mixture design, placement procedures, and finishes.

B. Related Requirements:

1. Section 032000 "Concrete Reinforcing" for steel reinforcing bars and welded-wire reinforcement.

1.2 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash, slag cement, and other pozzolans materials subject to compliance with requirements.

B. Water/Cement Ratio (w/cm): The ratio by weight of water to cementitious materials.

1.3 ACTION SUBMITTALS

A. Product Data: For each of the following.

1. Portland cement.

2. Fly ash.

3. Slag cement.

4. Aggregates.

5. Admixtures:

a. Include limitations of use, including restrictions on cementitious materials, supplementary cementitious materials, air entrainment, aggregates, temperature at time of concrete placement, relative humidity at time of concrete placement, curing conditions, and use of other admixtures.

6. Curing materials.

B. Design Mixtures: For each concrete mixture, include the following:

1. Mixture identification.

2. Minimum 28-day compressive strength.

3. Durability exposure class.

4. Maximum w/cm.

5. Calculated equilibrium unit weight, for lightweight concrete.

6. Slump limit.

7. Air content.

03 3000 - 2 2025.08.20

8. Nominal maximum aggregate size.

9. Indicate amounts of mixing water to be withheld for later addition at Project site if permitted.

10. Intended placement method.

11. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

1.4 INFORMATIONAL SUBMITTALS

A. Material Certificates: For each of the following, signed by manufacturers:

1. Cementitious materials.

2. Admixtures.

3. Curing compounds.

B. Material Test Reports: For the following, from a qualified testing agency:

1. Portland cement.

2. Fly ash.

3. Slag cement.

4. Aggregates.

5. Admixtures:

C. Research Reports: For concrete admixtures in accordance with ICC's Acceptance Criteria

AC198.

D. Field quality-control reports.

1.5 QUALITY ASSURANCE

A. Ready-Mixed Concrete Manufacturer Qualifications: A firm experienced in manufacturing readymixed concrete products and that complies with ASTM C94/C94M requirements for production facilities and equipment.

1. Manufacturer certified in accordance with NRMCA's "Certification of Ready Mixed Concrete

Production Facilities."

1.6 DELIVERY, STORAGE, AND HANDLING

A. Comply with ASTM C94/C94M and ACI 301.

1.7 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 301 and ACI 306.1.

B. Hot-Weather Placement: Comply with ACI 301 and ACI 305.1.

PART 2 - PRODUCTS

2.1 CONCRETE, GENERAL

03 3000 - 3 2025.08.20

A. ACI Publications: Comply with ACI 301 unless modified by requirements in the Contract

Documents.

2.2 CONCRETE MATERIALS

A. Cementitious Materials:

1. Portland Cement: ASTM C150/C150M, Type II,

2. Fly Ash: ASTM C618, Class C or F.

3. Slag Cement: ASTM C989/C989M, Grade 100 or 120.

B. Normal-Weight Aggregates: ASTM C33/C33M, Class 3S coarse aggregate or better, graded.

Provide aggregates from a single source.

1. Maximum Coarse-Aggregate Size: 1-1/2 inches nominal.

2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

C. Air-Entraining Admixture: ASTM C260/C260M.

D. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures that do not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride in steel-reinforced concrete.

1. Water-Reducing Admixture: ASTM C494/C494M, Type A.

2. Retarding Admixture: ASTM C494/C494M, Type B.

3. Water-Reducing and -Retarding Admixture: ASTM C494/C494M, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C494/C494M, Type F.

5. High-Range, Water-Reducing and -Retarding Admixture: ASTM C494/C494M, Type G.

6. Plasticizing and Retarding Admixture: ASTM C1017/C1017M, Type II.

E. Water and Water Used to Make Ice: ASTM C94/C94M, potable

2.3 CURING MATERIALS

A. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry.

B. Moisture-Retaining Cover: ASTM C171, polyethylene film burlap-polyethylene sheet.

1. Color:

a. Ambient Temperature Below 50 deg F: Black.

b. Ambient Temperature between 50 deg F and 85 deg F: Any color.

c. Ambient Temperature Above 85 deg F: White. C. Water: Potable or complying with ASTM C1602/C1602M.

D. Clear, Waterborne, Membrane-Forming, Dissipating Curing Compound: ASTM C309, Type 1, Class B.

E. Clear, Waterborne, Membrane-Forming, Nondissipating Curing Compound: ASTM C309, Type

1, Class B.

03 3000 - 4 2025.08.20

F. Clear, Waterborne, Membrane-Forming, Curing and Sealing Compound: ASTM C1315, Type 1, Class A.

2.4 CONCRETE MIXTURES, GENERAL

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, in accordance with ACI 301.

1. Use a qualified testing agency for preparing and reporting proposed mixture designs, based on laboratory trial mixtures.

B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland cement in concrete as follows:

1. Fly Ash or Other Pozzolans: 25 percent by mass.

2. Slag Cement: 50 percent by mass.

3. Total of Fly Ash or Other Pozzolans, Slag Cement: 50 percent by mass, with fly ash or pozzolans not exceeding 25 percent by mass.

4. Total of Fly Ash or Other Pozzolans: 35 percent by mass with fly ash or pozzolans not exceeding 25 percent by mass.

C. Admixtures: Use admixtures in accordance with manufacturer's written instructions.

1. Use water-reducing high-range water-reducing or plasticizingadmixture in concrete, as required, for placement and workability.

2. Use water-reducing and -retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

3. Use water-reducing admixture in pumped concrete,.

2.5 CONCRETE MIXTURES

A. Class A: Normal-weight concrete used for drilled shafts.

1. Exposure Class: ACI 318 F3S0W1C0.

2. Minimum Compressive Strength: 4500 psi at 28 days.

3. Maximum w/cm: 0.50.

4. Slump Limit: 8 inches, plus or minus 1 inch for concrete with verified slump of 3 inches plus or minus 1 inch before adding high-range water-reducing admixture or plasticizing admixture at Project site.

5. Air Content:

a. Exposure Classes F2 and F3: 6 percent, plus or minus 1.5 percent at point of delivery for concrete containing 3/4-inch nominal maximum aggregate size.

2.6 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete in accordance with ASTM

C94/C94M, and furnish batch ticket information.

B. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete in accordance with ASTM C94/C94M. Mix concrete materials in appropriate drum-type batch machine mixer.

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

03 3000 - 5 2025.08.20

2. For mixer capacity larger than 1 cu. yd., increase mixing time by 15 seconds for each additional 1 cu. yd..

3. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mixture type, mixture time, quantity, and amount of water added. Record approximate location of final deposit in structure.

PART 3 - EXECUTION

3.1 INSTALLATION OF EMBEDDED ITEMS

A. Place and secure anchorage devices and other embedded items required for adjoining Work that is attached to or supported by cast-in-place concrete.

1. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

2. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section 7.5 of ANSI/AISC 303.

3.2 CONCRETE PLACEMENT

A. Before placing concrete, verify that installation of formwork, reinforcement, embedded items, and vapor retarder is complete and that required inspections are completed.

B. Notify Engineer and testing and inspection agencies 24 hours prior to commencement of concrete placement.

C. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Engineer in writing, but not to exceed the amount indicated on the concrete delivery ticket.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

D. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301, but not to exceed the amount indicated on the concrete delivery ticket.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

E. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness.

1. If a section cannot be placed continuously, provide construction joints as indicated.

2. Deposit concrete to avoid segregation.

3. Deposit concrete in horizontal layers of depth not to exceed formwork design pressures and in a manner to avoid inclined construction joints.

4. Consolidate placed concrete with mechanical vibrating equipment in accordance with ACI

301.

a. Do not use vibrators to transport concrete inside forms.

03 3000 - 6 2025.08.20

b. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6 inches into preceding layer.

c. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity.

d. At each insertion, limit duration of vibration to time necessary to consolidate concrete, and complete embedment of…