WCC L22WC154 Addendum 02 2024-07-26.pdf

ENGINEERS ARCHITECTS SURVEYORS

T&L 726 Auburn Avenue Radford, Virginia 24141 tel: 540.633.1897 fax: 540.633.1896 www.T-L.com

ADDENDUM NO. 002

TO: All Plan Holders

RE: Wytheville Community College (WCC) Overhead Lineman Yard Project Code: L22WC154

IFB: 71038

T&L Project No. 16811

DATE: July 26, 2024

BIDS RECEIVED DATE: August 6, 2024, 2:00 PM BIDS OPEN DATE: August 7, 2024, 2:00 PM

This Addendum forms a part of the Contract Documents and modifies the original Bidding Documents dated March 8, 2024 as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification.

This Addendum consists of 29 pages.

CLARIFICATIONS AND ANSWERS TO PRE-BID QUESTIONS:

1. Mulch type, clean pine chips, as indicated on drawings. Mulch is not required to be kiln dried.

2. Chain link fencing is not part of the contractor’s scope.

3. Temporary fencing shall be installed by the contractor to maintain a safe and secure construction area.

4. At-Risk Builders Insurance is required by the General Conditions.

5. Specification has been added for ADA paint striping.

6. Unit costs have been provided for asphalt trail repair and rock removal.

7. No herbicide shall be used on this project due to proximity of the existing stream.

8. Special inspections are not required. Contractor shall be responsible to provide concrete strength testing as part of their quality control.

CHANGES TO THE SPECIFICATIONS:

1. DGS-30-220 Standard Bod Form

a. REPLACE Bid Form in its entirety with the revised Bid Form.

2. Section 31 1000

a. REPLACE Section 31 1000 in its entirety.

3. Section 31 2200

a. REPLACE Section 31 2200 in its entirety.

4. Section 31 2316.26

Addendum No. 002

WCC Overhead Lineman Yard

July 26, 2024

T&L www.T-L.com

a. ADD Section 31 2316.26.

5. Section 32 1123

a. REPLACE Section 32 1123 in its entirety.

6. Section 32 1216

a. ADD Section 32 1216.

7. Section 32 1723.13

a. ADD Section 32 1723.13.

8. Section 32 9219

a. REPLACE Section 32 9219 in its entirety.

CHANGES TO THE DRAWINGS:

1. Sheet C100:

a. REPLACE Sheet C100 in its entirety.

Enclosures: Bid Form, 4 Sheets

Specification Sections, 22 Sheets

Section 31 1000

Section 31 2200

Section 31 2316.26

Section 32 1123

Section 32 1216

Section 32 1723.13

Section 32 9219

Drawing Sheets, 1 Sheet

C100

All other general terms, conditions, and specifications shall remain the same.

END OF ADDENDUM #2

Standard Bid Form Format Page 1 of 4

DGS-30-220 Standard Bid Form Format (Rev. 07/22)

BID FORM

DATE:

PROJECT: Wytheville Community College

Overhead Lineman Yard

Wytheville, Virginia

Project Code: L22WC154

To: Virginia Community College System

300 Arboretum Place

Suite 200

Richmond, VA 23236

In compliance with and subject to your Invitation for Bids and the documents therein specified, all of which are incorporated herein by reference, the undersigned bidder proposes to furnish all labor, equipment, and materials and perform all work necessary for construction of this project, in accordance with the Plans and Specifications dated March 8, 2024, and the Addenda noted below, as prepared by

Thompson and Litton, Inc 726 Auburn Avenue, Radford, Virginia 24141 for the consideration of the following amount:

BASE BID:

PART A.

Lump sum price for the development and installation of the Overhead Lineman Yard, complete, and in accordance with the Plans and Specifications:

PART A = ________________________________________ Dollars ($ ).

Base Bids for PARTS B and C shall be based on the estimated quantities indicated to be provided complete and in accordance with the applicable portions of the plans and specifications. Payment amounts for each of these items will be based on the actual quantities authorized, provided and approved times the unit prices indicated by the bidder. The final contract amount shall be adjusted upward or downward based on the actual payment amounts versus the bid amounts for PARTS B and C.

PART B. - EXCAVATION OF ROCK MATERIAL – UNIT PRICE

Excavation of ROCK material, where authorized or directed, and proper disposal off-site of excess material, complete per specifications. (Price per cubic yard) Final amount shall be adjusted upward or downward based on actual quantity authorized.

Estimated quantity of 20 Cubic Yards (cy) @ $ _____________ per cy = ___________

PART B = _________________________________________Dollars ($ )

Standard Bid Form Format Page 2 of 4

PART C. – PAVED WALK REPAIR – UNIT COST

Paved Walk Repair, where authorized or directed, repair paved walk damaged during construction. Repair to include 6” aggregate and 2” VDOT STD. SM-9.5A per detail on drawings and Section 32 1216 Asphalt Paving to match existing walk construction. (Price per square foot) Final amount shall be adjusted upward or downward based on actual quantity authorized.

Estimated quantity of 2,000 Square Feet (sf) @ $ _____________ per sf = ___________

PART C = _________________________________________Dollars ($ )

TOTAL BASE BID AMOUNT (Sum of PARTS A, B, & C) IS:

_______________________________________________________ DOLLARS ($ )

Contract award will be based on the TOTAL BASE BID AMOUNT shown above (including any properly submitted bid modifications) plus as many Additive Bid Items taken in sequence as the Owner in its discretion decides to award.

The bidder has relied upon the following public historical climatological records:

NOAA.GOV for Wytheville, VA.

Code of Virginia, § 2.2-4376.2 shall be applicable to the Work of the Contract.

The undersigned understands that time is of the essence and agrees that the time for Substantial

Completion of the entire project shall be 60 consecutive calendar days from the date of commencement of the Work as specified in the Notice to Proceed, and Final Completion shall be achieved within 30 consecutive calendar days after the date of Substantial Completion as determined by the A/E.

Acknowledgment is made of receipt of the following Addenda:

If notice of acceptance of this bid is given to the undersigned within 30 days after the date of opening of bids, or any time thereafter before this bid is withdrawn, the undersigned will execute and deliver a contract in the prescribed form (Commonwealth of Virginia Contract Between Owner and Contractor, Form CO-9) within 10 days after the contract has been presented to him for signature. The required payment and performance bonds, on the forms prescribed, shall be delivered to the Owner along with the signed Contract.

Immigration Reform and Control Act of 1986: The undersigned certifies that it does not and shall not during the performance of the Contract for this project violate the provisions of the Federal

Immigration Reform and Control Act of 1986, which prohibits employment of illegal aliens, or knowingly employ an unauthorized alien as defined in the Federal Immigration Reform and Control

Act of 1986.

Standard Bid Form Format Page 3 of 4

DISQUALIFICATION OF CONTRACTORS: By signing this bid or proposal, the undersigned certifies that this Bidder or any officer, director, partner or owner is not currently barred from bidding on contracts by any Agency of the Commonwealth of Virginia, or any public body or agency of another state, or any agency of the federal government, nor is this Bidder a subsidiary or affiliate of any firm/corporation that is currently barred from bidding on contracts by any of the same. We have attached an explanation of any previous disbarment(s) and copies of notice(s) of reinstatement(s).

Either the undersigned or one of the following individuals, if any, is authorized to modify this bid prior to the deadline for receipt of bids by writing the modification and signing his name on the face of the bid, on the envelope in which it is enclosed, on a separate document, or on a document which is telefaxed to the Owner:

I certify that the firm name given below is the true and complete name of the bidder and that the bidder is legally qualified and licensed by the Virginia Department of Professional and Occupational Regulation, Board for Contractors, to perform all Work included in the scope of the Contract.

Virginia License No.: ______________ Bidder: ______________________________ (Name of Firm)

Contractor Class: ________________ By:___________________________________ (Signature)

Specialty: _______________________ Valid until: ______________________

FEIN/SSN: _____________________ Title: _______________________________

If General Partnership (List Partners' Names)

Business Address:

Telephone # ________________________

FAX # _______________________________

If Corporation, affix Corporate Seal & list State of Incorporation

Standard Bid Form Format Page 4 of 4

State: _____________________________

(Affix Seal)

Virginia State Corporation Commission ID No.: _______________; or

If Contractor is a foreign business entity not required to be authorized to transact business in the

Commonwealth under Titles 13.1 or 50 of the Code of Virginia, or as otherwise required by law, please provide an explanation as to why such entity is not required to be so authorized: ____________________

[Agency Small Business Participation Requirement:] % [Agency insert percentage]

(optional)

Contractor’s Proposed Small Business Participation: % [Contractor insert percentage]

(required)

Project Code - L22WC154

Site Clearing 16811 31 1000/1 of 2

SECTION 31 1000 - SITE CLEARING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Clearing and protection of vegetation.

B. Removal of debris.

1.2 RELATED REQUIREMENTS

A. Section 01 5000 - Temporary Facilities and Controls: Site fences, security, protective barriers, and waste removal.

B. Section 01 7000 - Execution and Closeout Requirements: Project conditions; protection of bench marks, survey control points, and existing construction to remain; reinstallation of removed products.

C. Section 31 2200 - Grading: Topsoil removal.

1.3 QUALITY ASSURANCE

A. Conform to applicable code for environmental requirements, disposal of debris, burning debris on site, and use of herbicides.

PART 2 PRODUCTS

2.1 MATERIALS

PART 3 EXECUTION

3.1 PREPARATION

A. Call Local Utility Line Information service at number shown on Drawings not less than three working days before performing Work.

1. Request underground utilities to be located and marked within and surrounding construction areas.

3.2 SITE CLEARING

A. Comply with other requirements specified in Section 01 7000.

B. Minimize production of dust due to clearing operations; do not use water if that will result in ice, flooding, sedimentation of public waterways or storm sewers, or other pollution.

3.3 EXISTING UTILITIES AND BUILT ELEMENTS

A. Coordinate Work with utility companies; notify before starting Work and comply with their requirements; obtain required permits.

B. Protect existing utilities to remain from damage.

Site Clearing 16811 31 1000/2 of 2

C. Do not disrupt public utilities without permit from authority having jurisdiction.

3.4 VEGETATION

A. Do not remove or damage vegetation beyond the limits of disturbance indicated on the Drawings.

B. Install substantial, highly visible fences at least 3 feet high to prevent inadvertent damage to vegetation to remain:

1. At vegetation removal limits.

C. In areas where vegetation must be removed but no construction will occur other than pervious paving, remove vegetation with minimum disturbance of the subsoil.

D. Vegetation Removed: Do not burn, bury, landfill, or leave on site, except as indicated.

1. Chip, grind, crush, or shred vegetation for mulching, composting, or other purposes;

preference should be given to on-site uses.

2. Trees: Sell if marketable; if not, treat as specified for other vegetation removed; remove stumps and roots to depth of 18 inches.

3. Sod: Re-use on site if possible; otherwise sell if marketable, and if not, treat as specified for other vegetation removed.

E. Restoration: If vegetation outside removal limits or within specified protective fences is damaged or destroyed due to subsequent construction operations, replace at no cost to Owner.

3.5 DEBRIS

A. Remove debris, rock, extracted plant life, junk, and trash from site.

B. Leave site in clean condition, ready for subsequent work.

C. Clean up spillage and wind-blown debris from public and private lands.

END OF SECTION

Grading 16811 31 2200/1 of 2

SECTION 31 2200 - GRADING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Removal and storage of topsoil.

B. Rough grading the site.

1.2 RELATED REQUIREMENTS

A. Section 31 1000 - Site Clearing.

PART 2 PRODUCTS

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that survey bench mark and intended elevations for the Work are as indicated.

3.2 PREPARATION

A. Identify required lines, levels, contours, and datum.

B. Stake and flag locations of known utilities.

3.3 ROUGH GRADING

A. Remove topsoil from areas to be further excavated, re-landscaped, or re-graded, without mixing with foreign materials.

B. Do not remove topsoil when wet.

C. Remove subsoil from areas to be further excavated, re-landscaped, or re-graded.

D. Do not remove wet subsoil, unless it is subsequently processed to obtain optimum moisture content.

E. When excavating through roots, perform work by hand and cut roots with sharp axe.

F. Stability: Replace damaged or displaced subsoil to same requirements as for specified fill.

3.4 REPAIR AND RESTORATION

A. Existing Facilities, Utilities, and Site Features to Remain: If damaged due to this work, repair or replace to original condition.

B. Trees to Remain: If damaged due to this work, trim broken branches and repair bark wounds;

if root damage has occurred, obtain instructions from Architect/Engineer as to remedy.

3.5 CLEANING

Grading 16811 31 2200/2 of 2

A. Leave site clean and raked, ready to receive landscaping.

Rock Removal 16811 31 2316.26/1 of 2

SECTION 31 2316.26 - ROCK REMOVAL

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Removal of identified rock during excavation.

1.2 PRICE AND PAYMENT PROCEDURES

A. See Section 01 2200 - Unit Prices, for additional unit price requirements.

B. Site Rock Removal:

1. Basis of Measurement: By the cubic yard measured before disintegration. Includes preparation of rock for removal, explosive disintegration of rock, removal from position, loading and removing from site. For over excavation, payment will not be made for over excavated work nor for replacement materials.

C. Trench Rock Removal:

1.3 DEFINITIONS

A. Site Rock: Solid mineral material with a volume in excess of 1/3 cubic yard or solid material that cannot be removed with a 3/4 cubic yard capacity excavator without drilling or blasting.

1.4 REFERENCE STANDARDS

A. NFPA 495 - Explosive Materials Code; 2018.

1.5 QUALITY ASSURANCE

A. Perform Work in accordance with NFPA 495 and all applicable Federal, State, and local regulations.

1.6 PROJECT CONDITIONS

A. Conduct survey and document conditions of buildings near locations of rock removal prior to blasting, and photograph existing conditions identifying existing irregularities.

B. Advise owners of adjacent buildings or structures in writing prior to executing seismographic survey. Explain planned blasting and seismic operations.

1.7 SCHEDULING

A. Schedule Work to avoid disruption to occupied buildings nearby.

PART 3 EXECUTION

2.1 EXAMINATION

A. Verify site conditions and note subsurface irregularities affecting Work of this Section.

Rock Removal 16811 31 2316.26/2 of 2

2.2 PREPARATION

A. Identify required lines, levels, contours, and datum.

2.3 ROCK REMOVAL

A. Excavate and remove rock by mechanical methods only; use of explosives is prohibited.

B. Mechanical Methods: Drill holes and utilize expansive tools to fracture rock.

C. If rock is uncovered requiring the explosives method for rock disintegration, notify the Architect/Engineer.

D. Form level bearing at bottom of excavations.

E. Remove shaled layers to provide sound and unshattered base for footings and foundations.

F. In utility trenches, excavate to 6 inches below invert elevation of pipe and 24 inches wider than pipe diameter.

G. Remove excavated materials from site.

2.4 FIELD QUALITY CONTROL

A. Independent agency field inspection will be provided under provisions of Section 01 4000 - Quality Requirements.

Aggregate Base Courses 16811 32 1123/1 of 3

SECTION 32 1123 - AGGREGATE BASE COURSES

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Aggregate base course.

B. Paving aggregates.

1.2 REFERENCE STANDARDS

A. AASHTO M 147 - Standard Specification for Materials for Aggregate and Soil-Aggregate Subbase, Base and Surface Courses; 2017.

B. AASHTO T 180 - Standard Specification for Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18 in.) Drop; 2017.

C. ASTM C136/C136M - Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates;

2014.

D. ASTM D2487 - Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System); 2011.

E. ASTM D698 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft3 (600 kN-m/m3)); 2012, with Editorial Revision (2015).

F. ASTM D1556/D1556M - Standard Test Method for Density and Unit Weight of Soil in Place by Sand-Cone Method; 2015, with Editorial Revision (2016).

G. ASTM D1557 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN m/m3)); 2012, with Editorial Revision (2015).

H. ASTM D2167 - Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method; 2015.

I. ASTM D4318 - Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils; 2017.

J. ASTM D6938 - Standard Test Methods for In-Place Density and Water Content of Soil and Soil- Aggregate by Nuclear Methods (Shallow Depth); 2017.

K. VDOT Road and Bridge Specifications 2020 - Road and Bridge Specifications; 2020.

1.3 SUBMITTALS

A. Materials Sources: Submit name of imported materials source.

B. Aggregate Composition Test Reports: Results of laboratory tests on proposed and actual materials used.

C. Compaction Density Test Reports.

Aggregate Base Courses 16811 32 1123/2 of 3

1.4 DELIVERY, STORAGE, AND HANDLING

A. When necessary, store materials on site in advance of need.

B. When aggregate materials need to be stored on site, locate where directed by Owner.

C. Aggregate Storage, General:

1. Prevent contamination.

2. Protect stockpiles from erosion and deterioration of materials.

3. VDOT Road and Bridge Standards

PART 2 PRODUCTS

2.1 MATERIALS

A. Subbase and Aggregate Base Material: Coarse aggregate type as indicated on Drawings conforming to Section 208 of the VDOT Road and Bridge Specifications 2020 .

B. Coarse Aggregate: Coarse aggregate type as indicated on Drawings conforming to Section 203 of the VDOT Road and Bridge Specifications.

C. Geotextile Fabric: Non-biodegradable, type as indicated on the Drawings conforming to Section 245 of the VDOT Road and Bridge Specifications.

2.2 SOURCE QUALITY CONTROL

A. Where aggregate materials are specified using ASTM D2487 classification, test and analyze samples for compliance before delivery to site.

B. If tests indicate materials do not meet specified requirements, change material and retest.

C. Use sources approved by VDOT.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that survey bench marks and intended elevations for the work are as indicated.

B. Verify substrate has been inspected, gradients and elevations are correct, and is dry.

3.2 PREPARATION

A. Correct irregularities in substrate gradient and elevation by scarifying, reshaping, and re-compacting.

B. Do not place aggregate on soft, muddy, or frozen surfaces.

3.3 INSTALLATION

Aggregate Base Courses 16811 32 1123/3 of 3

A. Place aggregate in minimum 3-inch and maximum 6-inch layers and roller compact to specified density. When total thickness is 6 inches or less, place in one layer. When total thickness is greater than 6 inches, place in two equal layers.

B. Have each layer of material compacted and approved prior to placing succeeding layers.

C. Level and contour surfaces to elevations and gradients indicated on Drawings.

D. Add small quantities of fine aggregate to coarse aggregate when required to assist compaction.

3.4 TOLERANCES

A. Flatness: Maximum variation of 1/2-inch measured with 10 foot straight edge.

B. Scheduled Compacted Thickness: Within 1/2-inch.

C. Variation From Design Elevation: Within 1/2-inch.

3.5 FIELD QUALITY CONTROL

A. Perform compaction density testing on compacted aggregate base course in accordance with

ASTM D1556.

B. Evaluate results in relation to compaction curve determined by testing uncompacted material in accordance with ASTM D698 ("Standard Proctor").

C. If tests indicate work does not meet specified requirements, remove work, replace and retest.

D. Proof roll compacted aggregate at surfaces that will be under slabs-on-grade, pavers, and paving.

3.6 CLEANING

A. Remove unused stockpiled materials, leave area in a clean and neat condition. Grade stockpile area to prevent standing surface water.

Asphalt Paving 16811 32 1216/1 of 3

SECTION 32 1216 - ASPHALT PAVING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Aggregate base course.

B. Single course bituminous concrete paving.

1.2 RELATED REQUIREMENTS

A. Section 32 1123 - Aggregate Base Courses: Aggregate base course.

1.3 REFERENCE STANDARDS

A. AI MS-2 - Asphalt Mix Design Methods; 2015.

B. AI MS-19 - A Basic Asphalt Emulsion Manual; Fourth Edition.

C. ASTM D946 - Standard Specification for Penetration-Graded Asphalt Cement for Use in Pavement Construction; 2009a.

D. VDOT Road and Bridge Specifications - Virginia Department of Transportation Road and Bridge Specifications; 2016.

1.4 SUBMITTALS

A. Product Data:

1. Submit product information for asphalt and aggregate materials.

2. Submit mix design with laboratory test results supporting design.

B. Manufacturer's Certification: Certify products are produced at a plant approved by VDOT and meet or exceed specified requirements.

1.5 QUALITY ASSURANCE

A. Perform Work in accordance with Section 315 of the VDOT Road and Bridge Specifications.

B. Maintain one copy of document on site.

C. Obtain materials from the same source throughout.

D. Use sources and mixing plant approved by VDOT.

1.6 FIELD CONDITIONS

A. Do not place asphalt base course or intermediate course when ambient air or road surface temperature is less than 40 degrees F for Mix Designation A; 50 degrees F for Mix Designations D, E, M, and S; or if surface is wet or frozen.

Asphalt Paving 16811 32 1216/2 of 3

PART 2 PRODUCTS

2.1 MATERIALS

A. Asphalt Concrete Materials: Conform to Section 211 of VDOT Road and Bridge Specifications.

2.2 ASPHALT PAVING MIXES AND MIX DESIGN

A. Use dry material to avoid foaming. Mix uniformly.

B. Submit proposed mix design of each class of mix for review prior to beginning of Work.

2.3 SOURCE QUALITY CONTROL

A. Obtain materials from plant approved by VDOT.

B. Test plant samples and mix design in accordance with Section 211 of the VDOT Road and Bridge Specifications.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify utilities indicated under paving are installed with excavations and trenches backfilled and compacted.

B. Verify compacted subgrade and aggregate base is dry and ready to support paving and imposed loads.

C. Verify gradients and elevations of base are correct.

D. Verify utility structure frames and lids are installed in correct position and elevation.

3.2 BASE COURSE

A. Place and compact base course.

B. Section 32 1123 - Aggregate Base Courses.

3.3 PLACING ASPHALT PAVEMENT - SINGLE COURSE

A. Install Work in accordance with Section 315 of the VDOT Road and Bridge Specifications.

B. Place asphalt within 24 hours of applying primer or tack coat.

C. Place to thickness identified on the Drawings.

D. Compact pavement by rolling to specified density. Do not displace or extrude pavement from position. Hand compact in areas inaccessible to rolling equipment.

E. Perform rolling with consecutive passes to achieve even and smooth finish without roller marks.

Asphalt Paving 16811 32 1216/3 of 3

3.4 JOINTS

A. Transverse Joints

1. When Work is suspended long enough to allow mixture to chill, construct transverse joint.

2. Use butt joint when traffic will not pass over pavement.

3. Use sloped wedge ahead of the end of pavement when traffic will pass over pavement.

Place paper parting strip to removal of wedge.

4. Tack coat edge of pavement prior to placing adjoining pavement.

B. Longitudinal Joints

1. Tack the edge of longitudinal joints prior to placing adjoining pavement.

2. Pinch joint by rolling immediately behind the paver.

3. Offset longitudinal joints in each layer by approximately 6 inches.

3.5 TOLERANCES

A. Flatness: Maximum variation of 1/4 inch measured with 10 foot straight edge.

B. Compacted Thickness: Shall be in accordance with Section 315 of the VDOT Road and Bridge Specifications.

C. Variation from True Elevation: Within 1/2 inch.

3.6 FIELD QUALITY CONTROL

A. See Section 01 4000 - Quality Requirements, for general requirements for quality control.

B. Perform Contractor Quality Control Program in accordance with Section 315 of VDOT Road and Bridge Specifications.

C. When tests indicate Work does not meet specified requirements, remove Work, replace, and retest.

3.7 PROTECTION

A. Immediately after placement, protect pavement from mechanical injury for 7 days or until surface temperature is less than 140 degrees F.

Painted Pavement Markings 16811 32 1723.13/1 of 4

SECTION 32 1723.13 - PAINTED PAVEMENT MARKINGS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Parking lot markings, including parking bays, crosswalks, arrows, handicapped symbols, and curb markings.

1.2 REFERENCE STANDARDS

A. VDOT Road and Bridge Specifications 2020 - Road and Bridge Specifications; 2020.

B. VDOT Road and Bridge Standards - Virginia Department of Transportation Road and Bridge Standards; 2016.

1.3 QUALITY ASSURANCE

A. Perform Work in accordance with Section 704 of VDOT Road and Bridge Specifications 2020 .

B. Maintain one copy of document on site.

C. VDOT Road and Bridge Standards

1.4 DELIVERY, STORAGE, AND HANDLING

A. Deliver paint in containers of at least 5 gallons accompanied by batch certificate.

B. Store products in manufacturer's unopened packaging until ready for installation.

C. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

1.5 FIELD CONDITIONS

A. Do not install products under environmental conditions outside manufacturer's absolute limits.

B. Do not apply materials when surface and ambient temperatures are outside temperature ranges required by paint product manufacturer or:

1. Waterborne Paint: Apply when ambient air temperature and surface temperature is minimum 50 degrees F and rising and at a maximum of 160 degrees F.

2. Thermoplastic: Do not apply until ambient air temperature and temperature of pavement is 50 degrees F or higher.

C. Do not apply materials during rain or snow when relative humidity is outside humidity ranges, or moisture content of surfaces exceed those required by paint product manufacturer.

D. Volatile Organic Content (VOC): Do not exceed State or Environmental Protection Agency maximum VOC on traffic paint.

Painted Pavement Markings 16811 32 1723.13/2 of 4

PART 2 PRODUCTS

2.1 MATERIALS

A. Line and Zone Marking Paint:

1. Roadway Markings: As required by authorities having jurisdiction.

2. Waterborne Paint: Ready mixed, fast dry waterborne traffic paints, lead-free, non-toxic, suitable for roadway or parking lots.

2.2 EQUIPMENT

A. For application of crosswalks, intersections, stop lines, legends, and other miscellaneous items by walk behind stripers, hand spray, or stencil trucks, apply with equipment meeting requirements of this Section. Do not use hand brushes or rollers. Optionally apply glass beads by hand.

PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

3.2 PREPARATION

A. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

3.3 INSTALLATION

A. Begin pavement marking as soon as practicable after surface has been cleaned and dried.

B. Do not apply paint if temperature of surface to be painted or the atmosphere is less than 50 degrees F or more than 95 degrees F.

C. Apply in accordance with manufacturer's instructions using an experienced technician that is thoroughly familiar with equipment, materials, and marking layouts.

D. Apply uniformly painted markings of color(s), lengths, and widths as indicated on the drawings true, sharp edges and ends.

1. Apply paint in one coat only.

2. Wet Film Thickness: 0.015 inch.

3. Length Tolerance: Plus or minus 3 inches.

4. Width Tolerance: Plus or minus 1/8 inch.

E. Parking Lots: Apply parking space lines, entrance and exit arrows, painted curbs, and other markings indicated on drawings.

Painted Pavement Markings 16811 32 1723.13/3 of 4

1. Mark the International Handicapped Symbol at indicated parking spaces.

2. Hand application by pneumatic spray is acceptable.

F. Symbols: Use a suitable template that will provide a pavement marking with true, sharp edges and ends, of the design and size indicated.

3.4 APPLICATION TOLERANCES

A. Maximum Variation from Wet Film Thickness: 1 mil.

B. Maximum Variation from Wet Paint Line Width: Plus or minus 1/8-inch.

C. Maximum Variation from Specified Application Temperature: Plus or minus 5 degrees F.

3.5 DRYING, PROTECTION, AND REPLACEMENT

A. Protect newly painted markings so that paint is not picked up by tires, smeared, or tracked.

B. Provide barricades, warning signs, and flags as necessary to prevent traffic crossing newly painted markings.

C. Allow paint to dry at least the minimum time specified by the applicable paint standard and not less than that recommended by the manufacturer.

D. Repair lines and markings, which after application and curing do not meet following criteria:

1. Incorrect Location: Remove and replace incorrectly placed patterns.

2. Insufficient Thickness, Line Width, Paint Coverage, or Glass Bead Coverage (where required): Prepare defective material by acceptably grinding or blast cleaning to remove substantial amount of beads and to roughen marking surface. Remove loose particles and debris. Apply new markings on cleaned surface in accordance with this Section.

3. Uncured or Discolored Material, Insufficient Bonding: Remove defective markings in accordance with this Section and clean pavement surface one foot beyond affected area.

Apply new markings on cleaned surface in accordance with this Section.

E. Replace failed or defective markings in entire section of defective markings within 30 days after notification when any of the following exists during warranty period:

1. Marking is discolored or exhibits pigment loss, and is determined to be unacceptable by visual comparison with beaded color plates.

F. Remove and replace markings that are applied at less than minimum material rates; deviate from true alignment; exceed length and width tolerances; or show light spots, smears, or other deficiencies or irregularities.

1. Remove markings in manner to avoid damage to the surface to which the marking was applied, using carefully controlled sand blasting, approved grinding equipment, or other approved method.

Painted Pavement Markings 16811 32 1723.13/4 of 4

2. Replace removed markings at no additional cost to Owner.

Seeding 16811 32 9219/1 of 6

SECTION 32 9219 - SEEDING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Preparation of subsoil.

B. Placing topsoil.

C. Hydroseeding , mulching and fertilizer .

D. Maintenance.

1.2 RELATED REQUIREMENTS

A. Section 31 2200 - Grading: Preparation of subsoil and placement of topsoil in preparation for the Work of this Section.

B. Section 31 2323 - Fill: Topsoil material.

C. Section 32 1125 - Turf Surfaced Aggregate Base Course: Additional seeding requirements.

1.3 PRICE AND PAYMENT PROCEDURES

A. See Section 01 2200 - Unit Prices, for additional unit price requirements.

B. Topsoil:

1. Basis of Measurement: By the cubic yard.

2. Basis of Payment: Includes topsoil, placing topsoil.

3. Basis of Measurement: Shall not be measured or paid for as a separate pay item. The cost thereof shall be included in the bid price for the item to which it pertains.

C. Grassed Areas:

1. Basis of Measurement: By the acre.

2. Basis of Payment: Includes seeding, watering and maintenance to specified time limit.

3. Basis of Measurement: Shall not be measured or paid for as a separate pay item. The cost thereof shall be included in the bid price for the item to which it pertains.

1.4 REFERENCE STANDARDS

A. ASTM D977 - Standard Specification for Emulsified Asphalt; 13e1.

1.5 DEFINITIONS

A. Weeds: Include Dandelion, Jimsonweed, Quackgrass, Horsetail, Morning Glory, Rush Grass, Mustard, Lambsquarter, Chickweed, Cress, Crabgrass, Canadian Thistle, Nutgrass, Poison Oak, Seeding 16811 32 9219/2 of 6

Blackberry, Tansy Ragwort, Bermuda Grass, Johnson Grass, Poison Ivy, Nut Sedge, Nimble Will, Bindweed, Bent Grass, Wild Garlic, Perennial Sorrel, Brome Grass, and any vegetative species other than specified species to be established in given area.

1.6 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Submit data for seed mix, fertilizer, mulch, and other accessories.

C. Test Reports: Indicate topsoil nutrient and pH levels with recommended soil supplements and application rates.

D. Manufacturer's Certificate: Certify products meet or exceed specified requirements.

E. Maintenance Data: Include maintenance instructions, cutting method and maximum grass height; types, application frequency, and recommended coverage of fertilizer.

1.7 REGULATORY REQUIREMENTS

A. Comply with regulatory agencies for fertilizer and herbicide composition.

B. Provide certificate of compliance from authority having jurisdiction indicating approval of seed mixture.

C. Perform Work in accordance with the Virginia Erosion and Sediment Control Handbook.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver grass seed mixture in sealed containers. Seed in damaged packaging is not acceptable.

Deliver seed mixture in containers showing percentage of seed mix, year of production, net weight, date of packaging, and location of packaging.

B. Deliver fertilizer in waterproof bags showing weight, chemical analysis, and name of manufacturer.

PART 2 PRODUCTS

2.1 SEED MIXTURE

A. Permanent Seeding

SPECIES MINIMUM

WEIGHT

MINIMUM

PURITY

MINIMUM

GERMINATION

SEEDING

RATE

(LBS. PER

ACRE)

KENTUCKY 31 OR TURF TYPE

TALL FESCUE

90% 97% 85% 225

KENTUCKY BLUEGRASS 10% 97% 85% 25

B. Permanent Seeding (AML Projects):

SPECIES MINIMUM MINIMUM MINIMUM SEEDING

Seeding 16811 32 9219/3 of 6

WEIGHT PURITY GERMINATION RATE (LBS.

PER ACRE)

MAX Q TALL FESCUE 50% 98% 85% 125

PERENNIAL RYE GRASS 40% 98% 90% 100

KENTUCKY BLUEGRASS 10% 85% 75% 25

C. Temporary Seeding:

SEEDING

DATE

SPECIES MINIMUM

WEIGHT

MINIMUM

PURITY

MINIMUM

GERMINATION

SEEDING

RATE (LBS.

PER ACRE)

02/16-04/30 ANNUAL

RYEGRASS

100% 97% 90% 100

05/01-08/31 GERMAN

MILLET

100% 98% 85% 50

09/01-02/15 50/50 MIX OF

ANNUAL

RYEGRASS &

CEREAL RYE

100% 97% 90% 100

2.2 SOIL MATERIALS

A. Topsoil: Fertile, agricultural soil, typical for locality, capable of sustaining vigorous plant growth, taken from drained site; free of subsoil, clay or impurities, plants, large stones, waste, debris, contamination, weeds and roots; pH value of minimum 5.5 and maximum 7.5.

B. Topsoil: Excavated from site and free of weeds.

2.3 ACCESSORIES

A. Mulching Material:

1. Type I mulch shall be Curlex Blanket Erosion Control Fabric manufactured by American Excelsior Company. The fabric shall be manufactured of materials which degrade in 6 to 8 months under outdoor exposure.

2. Type II mulch composed of threshed straw of cereal grain, pine needles, or wood fiber shall be free of objectionable weed seeds or other harmful material.

B. Mulch Binder:

1. Asphalt adhesive for use with Type II mulch shall be emulsified asphalt meeting meeting requirements of ASTM D977, Grade SS-1.

2. Synthetic Mulch Binder for Use with Type II Mulch: Curasol, DCA-70, Petroset, or Terra Tack.

C. Fertilizer: Commercial grade; recommended for grass, with fifty percent of the elements derived from organic sources; of proportion necessary to eliminate any deficiencies of topsoil, as indicated by analysis. When test is not available, use mixture to the following proportions:

Seeding 16811 32 9219/4 of 6

1. Nitrogen: 10 percent.

2. Phosphoric Acid: 20 percent.

3. Soluble Potash: 10 percent.

D. Water: Clean, fresh and free of substances or matter that could inhibit vigorous growth of grass.

E. Erosion Fabric: EC-2 or EC-3 matting, open weave.

F. Herbicide: As required to combat type of weeds encountered.

G. Stakes: Softwood lumber, chisel pointed.

H. String: Inorganic fiber.

I. Lime: Lime shall be ground agricultural grade limestone. Fineness shall be such that 100 percent will pass a No. 20 sieve, and not less than 50 percent will pass a No. 100 sieve. Lime shall be as required by soil testing.

2.4 TESTS

A. Provide analysis of topsoil fill under provisions of Section 01 4000.

B. Analyze to ascertain percentage of nitrogen, phosphorus, potash, soluble salt content, organic matter content, and pH value.

C. Testing is not required if recent tests are available for imported topsoil. Submit these test results to the testing laboratory for approval. Indicate, by test results, information necessary to determine suitability.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that prepared soil base is ready to receive the work of this Section.

3.2 PREPARATION

A. Prepare subgrade in accordance with Section 31 2200.

B. Place topsoil in accordance with Section 31 2200.

3.3 FERTILIZING

A. Apply fertilizer in accordance with manufacturer's instructions or at a rate recommended by soil analysis.

B. Apply after smooth raking of topsoil and prior to roller compaction.

C. Do not apply fertilizer at same time or with same machine as will be used to apply seed.

Seeding 16811 32 9219/5 of 6

D. Mix thoroughly into upper 3 inches of topsoil.

E. Lightly water to aid the dissipation of fertilizer. Irrigate top level of soil uniformly.

3.4 SEEDING

A. Apply seed at a rate evenly in two intersecting directions. Rake in lightly.

B. Do not seed areas in excess of that which can be mulched on same day.

C. Do not sow immediately following rain, when ground is too dry, or during windy periods when winds are over 12 mph.

D. Immediately following seeding, apply mulch at a rate of 4,500 lbs./acre or 2 bales per 1,000 square feet. Remove straw clumps from seeded area. Maintain clear of shrubs and trees.

E. Apply water with a fine spray immediately after each area has been mulched. Saturate to 4 inches of soil.

F. Following germination, immediately re-seed areas without germinated seeds that are larger than 8 by 8 inches.

3.5 HYDROSEEDING

A. Apply fertilizer, mulch, and seeded slurry with a hydraulic seeder at a rate of 6 lbs per 1000 sq ft evenly in two intersecting directions.

B. Apply water with a fine spray immediately after each area has been hydroseeded. Saturate to 4 inches of soil and maintain moisture levels 2 to 4 inches.

C. Following germination, immediately re-seed areas without germinated seeds that are larger than 8 by 8 inches.

3.6 PROTECTION

A. Identify seeded areas with stakes and string around area periphery. Set string height to 12 inches. Space stakes at 5 feet on center.

B. Cover seeded slopes where grade is 3H:1V or greater with erosion fabric. Roll fabric onto slopes without stretching or pulling.

C. Lay fabric smoothly on surface, bury top end of each section in 6 inch deep excavated topsoil trench. Provide 12 inch overlap of adjacent rolls. Backfill trench and rake smooth, level with adjacent soil.

D. Secure outside edges and overlaps at 36 inch intervals with stakes.

E. Lightly dress slopes with topsoil to ensure close contact between fabric and soil.

F. At sides of ditches, lay fabric laps in direction of water flow. Lap ends and edges minimum 6 inches.

Seeding 16811 32 9219/6 of 6

3.7 MAINTENANCE

A. Warranty all seeded areas within 1 year from date of acceptance.

B. Maintain seeded areas immediately after placement until grass is well established and exhibits a vigorous growing condition. In the event that growth is not established by final project inspection, continue the specified attention until acceptance by Owner.

C. Mow grass at regular intervals to maintain at a maximum height of 2-1/2 inches. Do not cut more than 1/3 of grass blade at any one mowing.

D. Neatly trim edges and hand clip where necessary.

E. Immediately remove clippings after mowing and trimming.

F. Water to prevent grass and soil from drying out.

G. Roll surface to remove minor depressions or irregularities.

H. Control growth of weeds. Apply herbicides in accordance with manufacturer's instructions.

Remedy damage resulting from improper use of herbicides.

I. Immediately reseed areas that show bare spots.

J. Protect seeded areas with warning signs during maintenance period.

S

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OHU

OHU

OHU

OHU

OHU

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OHU

OHU

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OHU

OHU

OHU

OHU

OHU

OHU

OHU

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DISTORM

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+/- 420' TO CASSELL RD.

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GRASS AREA

GRASS AREA

GRASS AREA

SCATTERED TREES

AND BRUSH

SCATTERED TREES

AND BRUSH

CONC. WALK

" H

DP

E

24" HDPE

24" HDPE

24" HDPE

CREEKCREEK

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LOD

LO

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LOD LOD LOD

X X

X X

X X X X X

X X X

X

1" =

( IN FEET )

GRAPHIC SCALE

040' 40' 80'

40'

20'

NOTES:

1) CONTRACTOR SHALL BRUSH HOG AND MOW THE AREA TO BE MULCHED TO A LENGTH OF LESS THEN 1" PRIOR TO

PLACEMENT OF GEOTEXTILE .

2) CONTRACTOR SHALL REMOVE DEBRIS SUCH AS ROCKS, TREE LIMBS, AND ANY OTHER MATERIAL THAT COULD

COMPROMISE THE INTERGRITY OF THE GEOTEXTILE.

3) KEY IN GEOTEXTILE FABRIC AT THE PERIMETER OF THE LINEMAN YARD.

4) GEOTEXTILE FABRIC SHALL BE OVERLAPPED A MINIMUM OF 6" AT EDGES AND 12" AT ENDS.

5) STAPLES SHALL BE UTILIZED TO SECURE GEOTEXTILE IN PLACE PRIOR TO MULCH PLACEMENT.

6) ENGINEER SHALL PROVIDE DWG FILE TO CONTRACTOR FOR STAKING.

7) NO ADDITIONAL PARKING IS BEING CREATED.

8) PROPOSED EXPANSION OF GRAVEL AREA IS FOR STORAGE

9) STRIPING SHOULD BE DONE IN ACCORDANCE TO VDOT STANDARDS.

10) PAVED WALK TO BE REPLACED AT THE COMPLETION OF THE PROJECT IF THE WALK IS DAMAGED BY CONSTRUCTION

ACTIVITIES. SEE UNIT COST.

CONTOUR INTERVAL = 1'

SI

TE

P

LA

N

03-08-2024

16811

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8-

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TYPICAL DETAIL - GRAVEL AREA

CONTOUR2228

LOD

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LEGEND

NEW DESCRIPTIONEXISTING

CONCRETE

STORM PIPE

STORM STRUCTURE

OVERHEAD ELECTRICAL

ELECTRICAL BOX/HANDHOLE

LIMITS OF DISTURBANCE

MULCH

SEWER PIPE

SEWER STRUCTURE

S

LIGHT POLE

GRAVEL

TYPICAL DETAIL - MULCH AREA

OHU OVERHEAD UTILITY

NOTES:

1) PRIOR TO PLACEMENT OF AGGREGATE CONTRACTOR SHALL STRIP TOPSOIL AND REMOVE FROM THE SITE.

2) CONTRACTOR IS RESPONSIBLE TO PROVIDE CONCRETE STRENGTH LAB TESTING FOR 7 DAY BREAK, 28 DAY

BREAK, AND 56 DAY BREAK IF STRENGTH IS NOT ACHIEVED AT 28 DAY BREAK AND RESULTS.

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SILT FENCE

18"

12"

8.5"

MIN.

2" C

LR

#4@12 EW, BOT.2#4 (TYP.)

#4@12 EW, TOP

ASTM-A615

CONCRETE SLAB-ON-GRADE

5,000 PSI CONCRETE @ 28 DAYS

TYPICAL SECTION - CONCRETE PAD

NOT TO SCALE

TYPICAL HANDICAP PARKING STALL LAYOUT

TYPICAL DETAIL - CURB STOP

X X

Sheet No.

Designed

Drawn

Checked

Date

Project No.

N o.

Da te

Pu rp os e of D oc um en t I ss ue

Seal

STATE BUILDING OFFICIAL APPROVAL STAMP

TYPICAL DETAIL - PAVED WALK CROSS SECTION

-2

6-

A

DD

EN

DU

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THOMPSON

& LITTON

SealSealSeal

STMH

" H

DP

E

TYPICAL DETAIL - MULCH AREA

2024-07-26_Final Set_16811_Add 2