Pepperhill Road Drainage_SPECS.pdf

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Pepperhill Road Drainage
Solicitation number
83623
Issued by
Clifton Forge Town, Virginia

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This file contains Special Conditions and Technical Specifications prepared by the Commonwealth of Virginia Department of Energy, Mined Land Repurposing, Abandoned Mine Land Section for the Pepperhill Road Drainage Project located at 5821 Pepperhill Road in Coeburn, Virginia. The project involves installing temporary and permanent drainage structures and revegetating disturbed areas, with specific work including installation of erosion control matting, armoring areas with designated aggregate, replacing a 15-inch diameter culvert (20 feet in length) buried under a gravel driveway, repairing any driveway damage, and revegetating all disturbed areas. The work must be completed within 45 calendar days.

The project payment terms specify that mobilization costs cannot exceed 10% of the base bid amount, with 50% paid on the first invoice and 50% on the final invoice. Key materials include VDOT No. 21B stone, VDOT Gabion stone, VDOT No. 3 stone, VDOT No. 57 stone, erosion control straw blanket, and a 15-inch HDPE drainpipe. Measurement and payment terms are detailed for each component, with some items paid on a lump sum basis and others paid per unit (tons, square yards, or linear feet). The contractor must comply with all Department of Environmental Quality requirements and obtain necessary permits from the Army Corps of Engineers.

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SPECIAL CONDITIONS AND TECHNICAL SPECIFICATIONS

FOR

PEPPERHILL ROAD DRAINAGE PROJECT

5821 PEPPERHILL ROAD, COEBURN, VA

WISE COUNTY, VIRGINIA

PREPARED BY:

COMMONWEALTH OF VIRGINIA

DEPARTMENT OF ENERGY

MINED LAND REPURPOSING

ABANDONED MINE LAND SECTION

December 3, 2024

Table of Contents

SPECIAL CONDITIONS

TECHNICAL SPECIFICATIONS

1. MOBILIZATION

2. SITE PREPARATION

3. AGGREGATE

4. EROSION CONTROL

5. CULVERT

6. CULVERT CLEAN OUT

7. REVEGETATION

8. CLEAN UP AND REPAIR OF DAMAGE

9. QUALITY CONTROL

10. SAFETY PRECAUTIONS

11. FUGITIVE DUST CONTROL

SPECIAL CONDITIONS

Section 1.

All of the following parts considered as a whole shall comprise the complete specifications. They are complementary and anything called for by one and not the others shall be considered binding as though called for by all.

1.1 Bid Package (General Clauses, General Conditions, Notice and Instructions to Bidders, etc.).

1.2 Special Conditions (Pages 3 - 6) and Construction Specifications (Pages 7-20)

1.3 Construction Drawings (Sheets 1-6).

Section 2. DEFINITIONS

2.1 The word “Agency” shall mean the Commonwealth of Virginia, Department of Energy, Mined Land Repurposing, Abandoned Mine Land Section.

2.2 Where the word “Contract” is used, it shall be understood to refer either to a purchase order placed by the Agency and accepted by the Contractor together with this specification and all other documents referred to in such purchase order; or to a formal contract executed by the Agency and the Contractor, together with this specification and other documents referred to in such formal contract.

2.3 The word “Contractor” means the person, firm, or corporation named as such in the contract and includes the plural number and the feminine gender when such are named in the contract as the Contractor.

2.4 The word “Subcontractor” means only those having a direct contract with the Contractor and it includes one who furnishes material worked to a special design but does not include one who merely furnishes material not so worked.

2.5 Where the word “Work” is used, it shall be understood to mean and include any and all labor, supervision, services, materials, machinery, equipment, tools, supplies and facilities called for by, and to complete, the Contract.

2.6 “Project Inspector” means any representative of the Agency and includes one who inspects the work and assesses compliance with the plans and specifications.

Section 3. SCOPE OF WORK

3.1 The work performed under the terms of this Specification consists of the installation of temporary and permanent drainage structures according to these plans and specifications, and revegetation all disturbed areas on the site known as Pepperhill

Road Drainage Project for the Commonwealth of Virginia. The job site is located at 5821 PEPPERHILL ROAD, COEBURN, VIRGINA.

3.2 The intent of this Specification is to prescribe the complete work of the project. The specification permits and directs the work conducted by the selected Contractor. If there are any contradictions between the Specifications and Drawings, the

Contractor shall bring these facts to the attention of the Agency and obtain the Agency’s decision as to the true meaning and intention.

3.2.1 The Contractor remains responsible for timely identifying any conflicts found to the attention of the agency.

3.2.2 In the absence of a formal written response from the agency, or in the event the Contractor fails to bring such to the attention of the agency, the Contractor is responsible to ensure compliance with the most stringent requirement.

Section 4. TIME SCHEDULE

4.1 The Work shall be executed with sufficient personnel, equipment and material to complete the work in a period of 45 calendar days.

Section 5. WORK BY CONTRACTOR

The Contractor shall:

5.1 Furnish all supervision, labor, materials, tools and equipment necessary to perform all work. The work shall consist principally of the following:

5.1.1 Install erosion control matting and armor specified area with designated aggregate.

5.1.2 Replace a 15” diameter culvert 20’ in length buried under gravel driveway.

5.1.3 Repair any damage to the gravel driveway due to construction activities.

5.1.4 Revegetate all disturbed areas.

5.2 Be responsible for receiving, unloading, storing, protecting and handling all materials and equipment furnished by the

Contractor or the Agency for the execution of all work under this Specification.

5.3 Be responsible for demurrage or claims incurred because of negligence in expediting the unloading of materials or equipment.

5.4 Replace any defective material furnished by the Contractor or any defective work performed by the Contractor’s forces at the

Contractor’s own expense.

5.5 Furnish to the Agency for approval before start of work, a Schedule of Work and procedure for construction of the work covered by the contract.

5.6 Be responsible for scheduling, expediting, directing, inspecting and coordinating the work to complete the work in the agreed upon time. The Contractor shall immediately notify the Agency of any impending problems, which could delay the completion of the work.

5.7 Before starting the work, contact the Agency for proper clearance and be governed by the Agency’s instructions.

5.8 Be responsible for locating, relocating and protecting from damage existing underground and overhead utilities when such utilities are clearly visible. Be responsible for verifying the location of all utilities, pipes, etc. before initiating the work.

5.9 Confine all workers to the construction area.

5.10 Provide drinking water and containers.

5.11 Provide watchmen, safety barricades, lights, signs and other items necessary for layout and installation of the work.

5.12 Furnish all labor, stakes, templates and tools and perform all field surveying and engineering to establish construction quantities and the lines and grades necessary for layout and installation of the work.

5.13 Be completely familiar with the location and accessibility of various construction and storage sites to determine the best material and equipment handling methods for the orderly completion of the work.

5.14 Have on the work site during construction a competent superintendent, duly authorized to represent and act for the Contractor in all matters pertaining to the work covered by this Specification.

5.15 Not perform any additional or temporary work for the Agency’s account unless on specified written orders, signed by the

Agency’s authorized representative and Contractor and only in the amounts of the various types of work specified in said orders.

5.16 Work in close cooperation with the Agency and others engaged in the project so that the work will be completed with dispatch and in an orderly manner.

5.17 Continuously maintain adequate weather and fire protection of the Contractor’s work from damage and shall protect property from damage or loss arising in connection with this contract. The Contractor shall make good any such damage or loss.

5.18 Comply with the provisions of the “Occupational Safety and Health Act of 1970, Public Law 91-596”, 29 CFR and 30 CFR;

and the Safety Codes Commission of the Commonwealth of Virginia, issued by the Department of Labor and Industry under

Title 40.1 of the Code of Virginia (1950), as amended. The Contractor shall be held liable to the Agency for any health and/or safety infractions, on the Contractor’s part, which cause the Agency or surface owner to receive a citation and/or fine from any local, state or federal agency. Actual costs involved will require satisfaction, by the Contractor, to the Agency or surface owner.

5.19 Maintain the site of work in an orderly manner. The Contractor shall provide personnel and supervision to continuously clean up the construction area under this jurisdiction. Should the Contractor refuse or fail to clean up or remove debris when requested by the Agency, it is understood that the Agency may employ others to do this work, and without further authority withhold the cost thereof from any payment due the Contractor.

5.20 Dispose of all debris and waste resulting from work at a disposal site approved by the Agency. The Contractor shall comply with all Department of Environmental Quality requirements concerning the use, handling, and disposal of petroleum products, working in or near streams and wetlands, burning or releasing emissions into the air, and disposal of solid waste and hazardous or toxic waste. The Contractor shall not put or spill any materials into any drainage system that would pollute area streams or waterways. The Contractor shall be liable for any pollution caused directly or indirectly by the Contractor’s employees or those of any subcontractors.

5.21 Furnish all special apparatus, welding machines, air compressors, hoisting equipment, tools, implements, cartage, scaffolding, ladders, planks, acetylene gas, oxygen gas, expendable materials, temporary light and heat, construction materials, shims, and all other materials that may be required for the proper completion of the work.

5.22 Furnish electrical power, gas, compressed air, and any other utilities required for use during construction. The Contractor shall remove all temporary wiring, switches, lights, piping, and connections to service facilities used during construction.

Such connections shall not be made without approval of the Agency.

5.23 Provide temporary supports as may be required during construction including those necessary to ensure the stability of the proposed excavation or working under mine roofs.

5.24 Not be permitted to drive any crawler type equipment or rollers on any paved roads except on rubber tire floats or similar vehicles. The Contractor shall protect pavement when it is necessary to move such type equipment across any paved roadway.

5.25 Not be permitted to keep within buildings or structures any stock of gasoline, kerosene, diesel fuel or similar flammable material. Any such flammables shall be stored in areas arranged by the Contractor, in a manner approved by the Agency and in compliance with the Department of Environmental Quality’s AST Regulations.

5.26 Be responsible for shoring as required to prevent damage to any adjacent structures, utilities or property.

5.27 Repair to the satisfaction of the Agency, at the Contractor’s own expense, any damage to adjacent structures, utilities or property.

5.28 Allow and provide the Agency access to the work for inspection whenever it is in preparation or progress, and provide proper facilities for such access and inspection.

5.29 The drawings and specifications illustrate the general character and scope of the work. Any additional detail and other information deemed necessary by the Agency will be furnished to the Contractor when and as required by the work.

5.30 Where the word “similar” appears on the drawings, it shall be interpreted in its general sense and not as meaning identical, and all details shall be worked out in relation to their location and their connection with other parts of the work.

5.31 The specifications are divided into several parts for convenience only, since the entire specifications must be considered as a whole. The divisions of the specifications are not intended to control the Contractor in dividing the work among subcontractors or to limit the work performed by any trade. The Contractor shall be responsible for the coordination of the trades, subcontractors, and venders engaged upon this work.

5.32 The Contractor shall verify measurements or dimensions shown on the drawings at the site. Where there are discrepancies, the Agency shall be consulted.

5.33 The Contractor shall maintain at the site one copy of all drawings, specifications, addenda, change orders and other modifications, in good order and marked to record all changes made during construction.

5.34 Before performing any excavation, contact Miss Utility, (800) 810-7197, to confirm the location of any below ground utility lines in the work area. The affected utility companies will mark the location of the underground lines within 48 hours after being notified. If the work is to continue more than 15 days, they will return to remark the utility lines as requested. Further details about the Miss Utility program and its requirements are available at the website www.missutilityofvirginia.com.

5.35 The Contractor shall comply with all regulations governing storm water discharges from construction activities. The contractor shall implement an erosion and sediment control plan throughout the duration of construction activities.

5.36 The Contractor shall certify that all materials meet the requirements of these specifications and governing authorities.

5.37 The Contractor shall comply with permits issued by the Army Corps of Engineers and any other permits required to complete construction for this project.

Section 6. WORK BY AGENCY

The Agency will:

6.1 Furnish the site in an “as is” condition.

6.2 Provide limited area, not necessarily adjacent to the site, for storage purposes and for the Contractor’s offices, change houses, sanitary stations, and tool and storage sheds. The Contractor shall make and maintain access to the facilities.

6.3 Furnish all design and detail drawings necessary to complete the specified work. One set of Plans and Specifications will be sold to interested bidders. Additional sets of Plans and Specifications will be issued to the selected Contractor as needed.

6.4 Designate in the field the manner in which the work is to be performed, as conditions warrant, if not detailed in the

Specifications or shown on the Drawings.

6.5 Inspect the work during its progress. No work will be considered completed until approved by the Agency.

6.6 Obtain right of entry.

TECHNICAL SPECIFICATIONS

FOR

1. MOBILIZATION

1.A SCOPE

This item shall consist of the mobilization and demobilization of the Contractor’s forces and equipment necessary for performing the work required to complete the Contract.

1.B PROCEDURE

1.B.i It shall include the purchase of contract bonds (if applicable), eVA fees, insurance, transportation of personnel, equipment and operating supplies to the site, and other preparatory work at the site. It shall also include making necessary repairs to any access roads.

1.B.ii It shall not include mobilization for any specific item of work for which payment for mobilization is provided elsewhere in the Contract.

1.B.iii This item covers mobilization for work required by the Contract at the time of award. If additional mobilization costs are incurred during performance of the contract as a result of changed or added items of work for which the

Contractor is entitled to an adjustment in contract price, compensation for such costs will be included in the price adjustment for the items of work changed or added.

1.C MEASUREMENT AND PAYMENT

1.C.i Measurement: Measurement for MOBILIZATION shall be Lump Sum for the job as shown in the project Scope of

Work.

1.C.ii Payment: Total payment for MOBILIZATION shall not exceed 10% of the Base Bid amount. Exceeding this limit may be basis for rejection of the bid as non-responsive. The Base Bid amount shall be the total of all sub-items on the Bid Schedule, less the amount for Mobilization.

Payment for MOBILIZATION shall be the Lump Sum amount listed on the Bid Schedule and shall constitute full compensation for all labor, equipment, materials and incidentals necessary to complete the work.

Payment for MOBILIZATION shall be made on the basis of 50% of the Lump Sum amount on the first invoice submitted and the remaining 50% on the final invoice.

2. SITE PREPARATION

2.A SCOPE

This item shall include any clearing, grubbing, site access, and general site preparation work on any areas affected by the project. The work may consist of the grubbing and disposal of trees, tree stumps, brush, snags, logs, and debris as directed by the Project Inspector or Project Manager. Obtain approval of the Project Inspector or Project Manager prior to removing any trees.

2.B MATERIAL

2.B.i Coarse Aggregate: VDOT No. 21B as specified in Section 203 of the VDOT Road and Bridge Specifications to be used for road bedding material to transport equipment and material to access the project site.

2.C CLEARING/ GRUB WORK

Remove all materials that may be cleared, grubbed, stripped or otherwise included as part of this work from the site to the approved disposal area as specified on the Construction Drawings. Site preparation shall be strictly limited to the areas shown on the drawings, unless otherwise directed by the Project Inspector. The Contractor shall incorporate any adjacent areas reasonably necessary to perform the work when directed to do so by the Project Inspector.

2.D ACCESS ROADS

2.D.i Alignment: The Drawings show the approximate routes of the construction access roads (existing and proposed). In general, these routes have been chosen over existing trails or alignments that normally display good drainage. These routes have also been selected to minimize the length of road that must be constructed. Care must be exercised to avoid disturbance to any historically, archeologically or environmentally significant features associated with the site;

these include old roadbeds, spoil piles, building foundations, rubble, structures, mounds and wetlands.

During access road construction, the Contractor shall select the route that results in the removal of the fewest trees possible. No trees larger than 12 inches in diameter shall be damaged or cut without permission from the Agency.

All access road routes must be walked with the Project Inspector prior to construction and trees that must be removed shall be flagged prior to the walk.

2.D.ii Construction: Access roads shall be graded to remove humps, ridges and holes and shall be ditched to convey storm runoff away from roads. At locations where a road crosses a drainage swale, coarse aggregate base material shall be used to stabilize the soft area. Temporary culvert pipe(s) shall be placed along the swale and covered with coarse aggregate to promote/maintain drainage and minimize erosion.

2.D.iii Maintenance: Access roads shall be maintained at all times during construction. Areas that show excessive rutting shall be graded and additional stone shall be placed as directed by the Project Inspector. Roads shall be maintained to prevent excessive amounts of mud and debris from being picked up by construction vehicles and deposited on surrounding public streets.

2.E MEASUREMENT AND PAYMENT

2.E.i Measurement: Measurement for SITE PREPARATION shall be on a per job basis for all work accepted and approved by the Agency.

2.E.ii Payment: SITE PREPARATION shall be based upon the Lump Sum amount on the Bid Schedule. Payment as specified shall be full compensation for all labor, materials, equipment and incidentals necessary to complete the work. Payment for the AGGREGATE used in the SITE PREPARATION shall be included in Section 3–

AGGREGATE for the actual quantity accepted and approved by the Agency.

3. AGGREGATE

3.A SCOPE

This item shall consist of the preparation, haulage, and placement of aggregate stone on the site.

3.B MATERIAL

3.B.i VDOT Gabion Stone as specified in Section 204 of the VDOT Road and Bridge Specifications shall be added as needed around the existing buttress.

3.B.ii VDOT No. 21B Stone as specified in Section 208 of the VDOT Road and Bridge Specifications to be used in culvert installation and driveway repair.

3.B.iii VDOT No. 3 Stone as specified in Section 203 of the VDOT Road and Bridge Specifications shall be used to armor loose soil around the portal discharge area.

3.B.iv VDOT No. 57 Stone as specified in Section 203 of the VDOT Road and Bridge Specifications shall be used to fill gullies that have been cut into slide area.

3.C PROCEDURE

3.C.i Aggregate shall be transported and handled to prevent dirt and debris from entering the stone; and to prevent spalling and breakage of the stone.

3.C.ii Aggregate shall be placed according to Construction Drawings and as directed by the Project Inspector.

3.D MEASUREMENT AND PAYMENT

3.D.i Measurement: Measurement for AGGREGATE shall be on a per Ton basis for the type and amount of aggregate delivered and installed. Weight tickets shall be submitted as documentation for payment. Tickets shall include the total weight of the truck empty and loaded and the net stone weight, the name of the project, date, and type of stone.

3.D.ii Payment: Payment for AGGREGATE shall be on a Unit Cost basis for the type and amount of aggregate delivered and accepted by the Agency and the Unit Price listed on the Bid Schedule. Payment shall be full compensation for all labor, equipment, materials and incidentals required to perform the work.

4. EROSION CONTROL

4.A SCOPE

This item shall consist of the stabilization of the labeled slide area by grading and installing Erosion Control Straw Blanket according to specifications as recommended by the manufacturer. Also listed is the aggregate that will be used to armor the area around the top of rip-rap channel.

4.B PREPARATION

Slopes to be stabilized shall be cleared and grubbed of all vegetation and organic matter to allow removal of loose and unstable material. See Section 2 – Site Preparation for further details.

4.C MATERIAL

4.C.i Erosion Control Straw Blanket: The erosion control blanket shall consist of a weed free agricultural straw matrix mechanically bonded on to a 2-ply synthetic, photodegradable net along with fasteners which hold the matting in place. The blanket thickness shall be consistent and evenly distributed over the entire area of the blanket. Acceptable products for this application shall be Western Green - Excel SS-2 - Straw Double Net matting or equivalent products. Any material used shall be approved by the Agency prior to application and installation.

4.C.ii VDOT No. 3 Stone as specified in Section 203 of the VDOT Road and Bridge Specifications.

4.C.iii VDOT Gabion Stone as specified in Section 204 of the VDOT Road and Bridge Specifications

4.C.iv VDOT No. 57 Stone as specified in Section 203 of the VDOT Road and Bridge Specifications shall be used to fill gullies that have been cut into slide area.

4.D PROCEDURE

4.D.i VDOT No. 57 Stone should be used to fill any gullies or trenches in the face of the slide to make the face as uniform as possible. Stone quantity and placement will be at the discretion of the Project Inspector.

4.D.ii Start laying the Erosion Control Straw Blanket from the top of slope and unroll down-grade. Allow to lay loosely on soil - do not stretch. Upslope ends of the protective covering should be buried in an anchor slot no less than 6-inches deep and 6 inches wide. Insert material in the trench according to the manufacture’s recommendations and staple blanket in trench every 18 inches minimum. Backfill and tamp earth firmly over the material.

Staple the material at a minimum of every 18 inches across the top end. Edges of the material shall be stapled every

2.5 feet. Where multiple widths are laid side by side, the adjacent edges shall be overlapped a minimum of 4-6 inches and stapled together. Staples shall be placed down the center, staggered with the edges at 2.5-foot intervals.

At the point at which the material is discontinued, fold 4 inches of the material underneath and staple every 18 inches.

Staples should provide a minimum of 20 lbs. of pullout resistance. Typically, 6 inch by 1 inch, 11 gauge staples are adequate. If soil is loose, longer staples may be needed.

4.D.iii VDOT No. 3 Stone will be placed in designated area on Detail Construction Drawings to armor loose soil around culvert discharge area to the satisfaction of Project Inspector.

4.D.iv VDOT Gabion Stone may be placed around the existing buttress or where needed at the discretion if the Project

Inspector.

4.E MEASUREMENT AND PAYMENT

4.E.i Measurement: Measurement for the Erosion Control Straw Blanket shall be on a Square Yard basis for the slope area of the intended hillside.

4.E.ii Payment: Payment for the Erosion Control Straw Blanket shall be on a Unit Cost basis for the type and area of matting installed and accepted by the Agency and the Unit Price listed on the Bid Schedule. Payment shall be full compensation for all labor, equipment, materials and incidentals required to perform the work. Payment for the AGGREGATE shall be included in Section 3– AGGREGATE for the actual quantity accepted and approved by the Agency.

5. CULVERT

5.A SCOPE

This item covers the furnishing of all labor, equipment, and material for the removal of the specified 20 foot drainpipe and replacing with the approved drainpipe as shown on the Construction Drawings.

5.B MATERIALS

5.B.i VDOT No. 21B Stone as specified in Section 208 of the VDOT Road and Bridge Specifications.

5.B.ii HDPE Drainpipe: 15” diameter 20’ length of corrugated, double-wall, flexible high-density polyethylene (HDPE) pipe meeting ASTM F2648 specification. An example being ADS N-12® WT IB PIPE or equivalent.

5.C PROCEDURE

5.C.i Excavate and remove the existing drainpipe at the driveway culvert location. Take all removed drainpipe material offsite and dispose in an approved landfill.

5.C.ii Trench excavation for CULVERT shall be completed to a sufficient length and width to allow for forms, bracing and supports, if necessary to prevent sidewall collapse. The Contractor shall furnish and place such supports, should they be required by subsurface conditions, depth, inclement weather, etc., and subsequently remove such support material.

5.C.iii Excavation beyond the required lines and grades shall be corrected at the Contractor’s expense by filling any resulting voids with compacted soil or compacted VDOT No. 21B stone (crusher run).

5.C.iv Excavate the trench according to the Detail Construction Drawings. Following excavation of the trench, the trench bottom shall be hand worked to a smooth and even surface, free of depressions or high spots, with a uniform gradient conforming to the notations on the Drawings. Spread and compact a minimum 3” layer of

VDOT No. 21B stone along the bottom of the trench. Lay the culvert pipe along the stone layer, connecting segments as per the manufacture’s recommendations. Fill and compact the excavated soil back into the trench.

Revegetate any disturbed ground as specified in Section 8 – Revegetation.

5.D MEASUREMENT AND PAYMENT

5.D.i Measurement: Measurement for CULVERT REPLACEMENT shall be on the basis of linear foot of pipe where culvert pipe is installed and accepted by the Agency.

5.D.ii Payment: CULVERT REPLACEMENT shall be based upon Linear Foot amount on the Bid Schedule.

Payment as specified shall be full compensation for all labor, materials, equipment and incidentals necessary to complete the work. Payment for the AGGREGATE shall be included in Section 3– AGGREGATE for the actual quantity accepted and approved by the Agency.

6. CULVERT CLEAN OUT

6.A SCOPE

This item covers the furnishing of all labor, equipment, and material of the clearing and cleaning of sediment deposits from the existing culvert pipes as directed in the Construction Drawings.

6.B PROCEDURE

6.B.i Sediment Removal: The Contractor shall remove sediment deposits from the interior of the specified culvert pipes.

Minimal impact means, methods, and equipment shall be used in the removal of sediment. The Contractor shall use care and caution with the use of any equipment inserted into the pipe to remove sediment by a mechanical means.

The extent to which proper culvert clean out is acceptable shall be determined upon examination and review of the

Project Inspector.

All sediment removed from the pipe interior shall be disposed of onsite as approved by the Project Inspector.

6.C MEASUREMENT AND PAYMENT

6.C.i Measurement: Measurement for CULVERT CLEANOUT shall be on a per job basis for all work accepted and approved by the Agency.

6.C.ii Payment: CULVERT CLEANOUT shall be based upon the Lump Sum amount on the Bid Schedule. Payment as specified shall be full compensation for all labor, materials, equipment and incidentals necessary to complete the work.

7. REVEGETATION

7.A SCOPE

This item covers the furnishing of all labor, equipment and material for preparing the seedbed, liming, fertilizing, tilling, seeding and mulching on the designated areas. Designated areas encompass all areas and access roads within the project limits.

7.B CERTIFICATION

The Contractor shall certify that all seed, soil amendments and mulch to be used in vegetation operations meet the requirements of these specifications and governing authorities.

7.C MATERIALS

7.C.i Lime: Lime material shall be ground agricultural limestone and shall conform to the minimum Calcium Carbonate

Equivalent (C.C.E.) guaranteed by the supplier and approved by the Project Inspector.

a) Application: Lime shall be applied as directed by the Project Inspector prior to final grading (tracking) for incorporation into the soil.

b) Lime Rate: Lime shall be spread at two (2) tons per acre.

c) Lime Analysis: Agricultural limestone applied for seeding shall have a minimum C.C.E. of ninety percent

(90%). The supplier shall certify this analysis.

7.D SEEDING

All seeding work shall be performed by the Contractor or licensed subcontractor, approved by the Agency, with demonstrated experience and who has the necessary equipment to complete all operations required. Seeding may be accomplished by the use of a hydroseeder or other methods as approved by the Agency.

7.D.i Seeding Schedule

Upon completion of grading and liming operations, the areas shall be seeded. Areas eroded by rainfall or crusted over shall be repaired prior to seeding.

The Project Inspector shall approve all seeding operation time schedules. It is recommended that the seeding operations be confined between February 15th to June 15th, and September 1st to November 1st to obtain satisfactory results.

There may be some occasions such as during winter or summer months, when some areas may require temporary seeding. The Project Inspector may require these operations when deemed necessary to prevent erosion and sedimentation. Temporary seed mixtures and rates shall be applied during these periods.

7.D.ii Permanent Seed Mixture

Permanent seed mixture and rates are specified below. The Project Inspector shall approve any substitution or adjustments.

Permanent Seed

Name Lbs. /Acre

Orchard Grass 25

Annual Ryegrass 10

Red Clover 5

Ladino Clover 5

Birdsfoot Trefoil 5

Redtop grass 3

TOTAL 53

7.D.iii Temporary Seeding

Temporary seeding mixtures and rates are specified below. The Project Inspector shall approve any substitution or

Summer Mixture

German Foxtail Millet 40

Annual Ryegrass 20

TOTAL 60

Winter Mixture

Annual Ryegrass 20

Cereal Rye 40

TOTAL 60

Permanent seed mixtures shall be applied at the first available seeding period on all temporary seeded areas.

7.E FERTILIZER

7.E.i Type / Rate

Fertilizer shall be standard commercial product. The rate of fertilizer applied shall be 300 pounds per acre of 16-27-

14 or equivalent. Fertilizer may be applied by mechanical spreader or hydraulically by a hydroseeder. Fertilizer and seed may be applied at the same time with a hydroseeder. Water used in a hydroseeder shall have a pH between 6.0 and 9.0.

7.E.ii Inoculant

All leguminous seed shall be inoculated with inoculant specified for use on that particular seed. The Manufacturer’s directions for inoculating seed shall be followed. Inoculants shall be applied at double the manufacturer’s rate.

Inoculant shall be mixed with legume seed prior to mixing with other seeds. Pre-inoculated legume seed from a supplier may be used.

7.F MULCHING

7.F.i Wood Cellulose or Paper Fiber

Wood cellulose or paper fiber mulch for use with a hydroseeder shall be applied at the rate of 1,000 pounds per acre.

This mulch shall be applied along with seed and fertilizer mixtures.

7.F.ii Straw or Hay Mulch

Material for mulching shall consist of dry straw or hay, free of noxious weeds. The mulch shall be reasonably bright in color and shall not be musty, moldy, caked, decayed or very dusty. The application rate for hay or straw shall be

1,000 pounds per acre. Erosion control blanket may be substituted for straw or hay mulch.

7.G LAWN SEED MIXTURE

Lawn seed mixture and rates are specified below. The Project Inspector shall approve any substitution or

Permanent Seed

Kentucky Bluegrass 20

Perennial Ryegrass 10

Ladino Clover 5

Red Fescue 15

TOTAL 50

7.H MAINTENANCE

Areas reseeded or replanted shall also include construction maintenance areas where vegetation is destroyed due to repair work. Progressive seeding of small project areas shall be required during the complete project. Maintenance work for revegetation shall be reviewed prior to each seeding operation throughout the project and corrective action on prior seeded/planted areas may be required.

The Contractor at his/her cost shall complete revegetation maintenance.

The Agency’s Project Inspector shall be required to sample and test the soil on any areas, which fail to support vegetation after one reseeding/replanting by the Contractor or at the end of the guarantee period, whichever is later.

7.I MEASUREMENT AND PAYMENT

7.I.i Measurement: REVEGETATION will be measured in units of Acres.

7.I.ii Payment: REVEGETATION shall be the product of the number of acres seeded and the Unit Price per acre listed on the Bid Schedule. The Unit Price shall include all labor, seed, lime, fertilizer, mulch, equipment and apparatus necessary to complete the work.

7.J REPAIRS

Other provisions of these Contract Documents notwithstanding, disturbances outside the project limits caused by the

Contractor shall be seeded in accordance with these specifications at the Contractors expense, under the direction of the

Project Inspector.

8. CLEAN UP AND REPAIR OF DAMAGE

8.A SCOPE

This item shall consist of cleaning up the site prior to demobilization, repairing damage and guarantee of workmanship.

8.B CLEANING UP

After all construction work is complete, prior to final payment, all exposed areas shall be cleaned and left in an acceptable condition. All unused material shall be removed from the site or otherwise disposed of as directed by the Agency. Any bare areas shall be seeded and treated in accordance with the applicable specification.

8.C REPAIRING DAMAGE

Any damage done to structures, fill, or other areas shall be repaired at the Contractors expense before final payment is made.

In the event such damage occurs as a result of instructions from the Agency, payment will be made at the price agreed to by the Contractor and Agency.

Contractor should locate any buried power line, buried water line, buried drain pipe and buried septic lines located in the work area and exercise care in and around these lines. Replacement of any destroyed, functioning power, water or septic line shall be at the contractor’s expense.

8.D GUARANTEE

The Contractor shall assume responsibility for all workmanship and materials for a period of time as described in the General

Conditions.

8.E MEASUREMENT AND PAYMENT

No separate measurement and payment will be made for CLEANUP AND REPAIR OF DAMAGE. This work shall be considered incidental to Mobilization.

9. QUALITY CONTROL

9.A SCOPE

This item shall consist of testing for verification that the materials supplied, and the work performed is in accordance with these specifications.

9.B PROCEDURE

An Affidavit of Payment of Claims and Certification of Materials (DMLR-AML-314) form certifying that all materials meet or exceed the specifications of the Contract shall be completed and submitted with the final Application of Payment.

First-class materials conforming to the specifications shall be incorporated into the work. All materials shall be new unless otherwise specified.

9.C PAYMENT

Payment: Payment for QUALITY CONTROL shall be included in the payment for SITE PREPARATION. Payment shall be full compensation for all materials, equipment, labor and incidentals necessary to complete the work.

10. SAFETY PRECAUTIONS

10.A SCOPE

This item consists of the procedures and protocol to be followed to ensure the safety of the public and workers in or around the construction site.

10.B PROCEDURE

10.B.i It shall be the Contractors’ responsibility to provide protective clothing and equipment, emergency breathing apparatus, medical supplies and instrumentation for monitoring potentially unhealthy working conditions encountered during construction.

10.B.ii The Contractor shall train all equipment operators, laborers and other personnel of the hazardous or unhealthy conditions which may be encountered during the work, and possible courses of action to be implemented to avoid an accident as required by applicable OSHA and MSHA regulations.

10.B.iii The Contractor shall examine all areas within and adjacent to the project sites for unstable rock, debris, and any other hazards to safety.

10.B.iv In the event of an injury or fatality (from the project’s activities), proper notification shall be immediately made to

MLR and, as applicable, to the appropriate office of the Virginia Department of Labor and Industry – Occupational

Safety and Health Compliance (OSHA), the Mine Safety and Health Administration (MSHA), and/or the State Fire

Marshall.

10.B.v HAZARDOUS AND TOXIC MATERIALS

If hazardous or toxic materials (i.e. PCB’s, Asbestos Containing Material (ACM), lead-acid batteries, etc.) are encountered during the work, the Contractor shall immediately notify the Agency. The Department of

Environmental Quality guidelines for handling and cleaning up the site shall be followed.

10.C MEASUREMENT AND PAYMENT

There will be no separate payment for this item. If necessary, in the event that the required action will not be incidental to existing pay items, appropriate change orders shall be executed.

11. FUGITIVE DUST CONTROL

11.A SCOPE

This item shall address the requirements of the Virginia Department of Environmental Quality, Air Division that pertain to fugitive dust control.

11.B PROCEDURE

11.B.i The Contractor shall comply with all provisions and requirements of Regulations 120-04-0101 through 120-04-0107 for fugitive dust.

11.B.ii The Contractor shall water the roads as necessary to control fugitive dust. Watering the roads can be reduced by surfacing the roads with durable stone, reducing the speed of vehicles and equipment and application of commercial dust palliatives; but use of any method shall not relieve the Contractor of the responsibility to adequately control dust.

11.B.iii Brush and small trees cleared as a part of site preparation may be windrowed as described in Site Preparation or hauled to an approved disposal site.

11.C MEASUREMENT AND PAYMENT

No payment shall be made for FUGITIVE DUST CONTROL. Compliance with this section shall be considered incidental to the work.

2024-12-06T14:01:26-0500
Holly F White

File details come from the government source that posted it. Updated .