IFB 24-31-SD Attachment C - Specifications.pdf

PROJECT MANUAL

SPOTSYLVANIA COUNTY

GORDON ROAD – NI RESERVOIR DRAINAGE IMPROVEMENTS

IFB # 24-31-SD

October 26, 2023

PREPARED BY

Sullivan, Donahoe & Ingalls, PC

FOR

Spotsylvania County Utilities / Public Works

600 Hudgins Road Fredericksburg, VA 22408

TABLE OF CONTENTS

Technical Specifications

Gordon Road – Ni Reservoir Drainage Repairs

Section 01 10 00 Summary

Section 01 13 00 Measurement and Payment

Section 01 50 00 Temporary Facilities and Controls

Section 01 56 39 Temporary Tree and Plant Protection

Section 01 57 23 Temporary Storm Water Pollution Control

Section 22 14 13 Facility Storm Drainage Piping

Section 31 10 00 Site Clearing

Section 31 20 00 Earth Moving

Section 31 23 23 Flowable Fill

Section 31 24 01 Smooth Wall Steel Pipe Boring

Section 32 92 00 Turfs and Grasses

Gordon Road – Ni Reservoir Drainage Repairs Spotsylvania County, VA October 2023

SUMMARY 011000 - 1

SECTION 01 10 00 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Work covered by Contract Documents.

2. Phased construction.

3. Contractor's use of site and premises.

4. Coordination with occupants.

5. Work restrictions.

6. Specification and Drawing conventions.

B. Related Requirements:

1. Spotsylvania County Water & Sewer Design & Construction Standards (DSM), current version.

2. Virginia Department of Transportation Road and Bridge Standards, current version.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. The Work of Project is defined by the Contract Documents and consists of the following:

1. Installation of 24-inch, 22-inch, and 16-inch drainage piping and other Work in accordance with Spotsylvania County Water and Sewer Design & Construction standards, Virginia Department of Transportation standards, and as indicated in the Contract Documents.

1.3 PHASED CONSTRUCTION

A. The proposed storm drainage lines shall be installed, tested and accepted prior to final acceptance and completion of the proposed work.

1.4 CONTRACTOR'S USE OF SITE AND PREMISES

A. Limits on Use of Site: Limit use of Project site to Work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits on Use of Site: Confine construction operations to areas described on the Construction Drawings.

2. Driveways, Walkways, and Entrances: Keep driveways, and loading areas, and entrances serving premises clear and available to Owner, Owner's employees, and emergency vehicles at all times. Do not use these areas for parking or for storage of materials.

SUMMARY 011000 - 2

3. Contractor to notify impacted property owners three days prior to construction starting.

B. Condition of Existing Grounds: Maintain portions of existing grounds, landscaping, and hardscaping affected by construction operations throughout construction period. Repair damage caused by construction operations.

1.5 COORDINATION WITH OCCUPANTS

A. Partial Owner Occupancy: Owner will occupy the premises during entire construction period, with the exception of areas under construction. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's operations. Maintain existing exits unless otherwise indicated.

1.6 WORK RESTRICTIONS

A. Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets, work on public streets, rights of way, and other requirements of authorities having jurisdiction.

B. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

1. Notify Owner not less than five days in advance of proposed utility interruptions.

2. Obtain Owner’s written permission before proceeding with utility interruptions.

C. Smoking and Controlled Substance Restrictions: Use of tobacco products, alcoholic beverages, and other controlled substances on Project site is not permitted.

1.7 SPECIFICATION AND DRAWING CONVENTIONS

A. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations.

These conventions are as follows:

1. Imperative mood and streamlined language are generally used in the Specifications. The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase.

2. Text Color: Text used in the Specifications, including units of measure, manufacturer and product names, and other text may appear in multiple colors or underlined as part of a hyperlink; no emphasis is implied by text with these characteristics.

3. Hypertext: Text used in the Specifications may contain hyperlinks. Hyperlinks may allow for access to linked information that is not residing in the Specifications. Unless otherwise indicated, linked information is not part of the Contract Documents.

4. Specification requirements are to be performed by Contractor unless specifically stated otherwise.

SUMMARY 011000 - 3

B. Contracting Requirements: General provisions of the Contract, including General Conditions, apply to all Sections of the Specifications.

C. General Requirements: Requirements of Sections in Division 01 apply to the Work of all Sections in the Specifications.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011000

MEASUREMENT AND PAYMENT 011300 - 1

SECTION 01 13 00 – MEASUREMENT AND PAYMENT

PART 1 – GENERAL

1.1 GENERAL

A. The Contractor shall receive and accept the compensation provided in the Bid and the Contract as full payment for furnishing all labor, materials, tools, equipment and services for performing all operations necessary to complete the Work under the Contract, and also in full payment for all loss or damages arising from the nature of the Work, or from any discrepancy between the actual quantities of Work and the quantities herein estimated by the Owner, or from action of the elements or from any unforeseen difficulties which may be encountered during the prosecution of the Work until the final acceptance by the Owner.

B. The lump sum price stated in the Bid includes all costs and expenses for taxes, labor, equipment, materials, commissions, transportation, patent fees and royalties, labor for handling materials during inspection, together with any and all other costs and expenses for performing and completing the Work as shown on the Contract Drawings and as specified herein. The basis of progress payments of said lump shall be broken down and detailed in the Schedule of Values in accordance with the description of the respective items in this section.

C. The Contractor’s attention is called to the fact that the quotations for the various items of the work are intended to establish a total price for completing the work in its entirety. Should the Contractor feel that the cost for any item of work has not been defined by a Bid Form, he must bring this to the attention of the Owner during the bid question period. If the Owner finds the request to be valid, it may be added to the bid form. If the request is found to be incidental, the contractor shall include the cost for that work in some other applicable bid item, so that his proposal for the work reflects his total price for completing the work in its entirety.

D. Items listed as “CONTINGENT ITEM” on the Bid Form are to be used and will be paid for only at the written direction and authorization of the Owner. Payment under this section will be made for materials furnished and placed in addition to those shown or beyond the limits indicated or reasonably inferred by the Contract Documents. Measurement and payment will be in accordance with the Schedule of Values and will include, but not necessarily be limited to, furnishing, hauling, placing and installing of materials and the furnishing of such manpower and equipment as required to accomplish the Work as directed in writing by the Owner.

E. Changes and Modifications in the Work by the Owner

1. The Owner reserves the right to change the alignment, grade, form, length, dimensions or material of the Work under the Contract, whenever conditions or obstructions are met that render the changes desirable or necessary. All such alterations shall be paid for under the total lump sum bid or at a unit price bid for these items of Work, except as follows:

a. In cases where such alterations reduce the total Contract amount, a Change Order shall be executed to reduce the total Contract amount and the Contractor shall have no claim

MEASUREMENT AND PAYMENT 011300 - 2

on this account for damages or for anticipated profits on the Work that may be dispensed with.

b. In cases where such alterations increase the total Contract amount a Change Order shall be executed to increase the total Contract amount.

c. Any additions or subtractions to the contract prices shall be proposed by the Contractor and then reviewed and approved by the Owner.

d. In case the quantity of work in individual unit price items of work increases or decreases greater than 25 percent of the bid quantity, unit prices may be renegotiated.

F. Owner May Increase or Decrease Quantities

1. The Owner reserves the right to increase or decrease the quantity of material to be furnished or work to be done under the Contract whenever he deems it advisable or necessary. Such increase or decrease shall in no way violate or invalidate the Contract.

2. For the unit price items included in the bid, the Contractor will be paid for the actual amount of the authorized work done or material furnished under each item of the proposal, at the unit price bid for that item. In case the quantity of any item is increased, the Contractor shall not be entitled to compensation over and above the unit bid for each item.

In case the quantity is decreased, the Contractor shall have no claim for damages on account of loss of anticipated profits because of such decrease.

3. For the contingency items, the Contractor shall be paid for actual quantities installed or services provided, on written order of the Owner.

1.2 MEASUREMENT

A. The quantities for payment under this Contract shall be determined by actual measurement of the completed items, in place and accepted by the Owner, in accordance with the General Conditions. A representative of the Contractor shall witness all field measurements.

1.3 PAYMENT

A. Please see Attachment D – General Terms and Conditions, Article 15.

1.4 BID ITEMS

A. Item No. 1: Mobilization

1. Payment for mobilization shall be made at the lump sum provided in the Schedule of Values for mobilization, upon completion.

2. No measurement shall be made for this item.

3. Lump sum cost for mobilization shall include such items as bonds, insurance, stakeout, equipment and labor mobilization, field office, if necessary, progress photographs, project sign, permits, shop drawings, access gates and signage, Contractor’s test pits, and other

MEASUREMENT AND PAYMENT 011300 - 3

incidental items, including the safe relocation and protection of personal property located within the water line easement required prior to commencement of construction.

Mobilization shall not exceed 5.0 percent of the total price bid. Application for maximum 50 percent payment of mobilization may be made on the first Request for Payment, maximum 40 percent payment on the second Request for Payment, and 10 percent on the final Request for Payment.

B. Item No. 2 Subsurface Utility Coordination, Test Pits, and Site Clearing

1. Payment for subsurface utility coordination, test pits, and site clearing shall be made at the lump sum provided in the Schedule of Values for this item, upon completion.

2. No measurement shall be made for this item.

3. Lump sum cost for subsurface utility coordination, test pits, and site clearing shall include such items as coordination with public and private utilities, stakeout, equipment and labor necessary to identify potential utility conflicts, pot holing to confirm location of subsurface utilities, and other incidental items necessary to confirm horizontal and vertical alignment of proposed drainage and existing subsurface utilities within the construction work zone.

C. Item No. 3 Temporary Traffic Control

1. Payment for Temporary Traffic Control shall be made at the lump sum provided in the Schedule of Values for temporary traffic control, including the removal of all signage and traffic control devices, upon completion.

2. No measurement shall be made for this item.

3. Lump sum cost for temporary traffic control shall include such items as temporary construction signage, drums, barricades, steel plates, flaggers, and other incidental items, in accordance with the Virginia Work Zone manual. Application for maximum 50 percent payment of mobilization may be made on the first Request for Payment, and a minimum 10 percent on the final Request for Payment.

D. Items No. 4 through 6: Steel Casing Pipe (Installed via Jack & Bore or Microtunneling)

1. Payment for installation of steel casing pipe of the specified diameter shall be made at the unit price provided in the Schedule of Values per linear foot for the lengths of pipe actually installed, complete in place.

2. Measurements of lengths will be made horizontally, along the centerline of the pipe with a representative of the Owner present.

3. The unit price provided per linear foot shall include all labor, materials, tools, jacking and boring equipment and services for installing the specified diameter steel casing pipe including, but not limited to; welding pipe watertight, traffic control, excavation including rock if required, laying of the casing pipe, excavation support, dewatering, testing, cleanup, pavement removal and replacement if required, storage and reuse of excavated materials, offsite disposal of unsuitable and excess excavated material, making of joints, temporary blocking, backfill and surface restoration.

MEASUREMENT AND PAYMENT 011300 - 4

E. Items No. 7 through 9: Drainage Pipe Fitting and Appurtenances

1. Payment for installing drainage pipe fittings and appurtenances of the various sizes, materials, and pressure rating called for on the Construction Drawing meeting County standards shall be made at the unit prices provided in the Schedule of Values per each actually installed, complete in place.

2. No measurements shall be made for these items.

3. The unit price provided per each shall include all labor, materials, tools, equipment and services for installation of the proposed drainage pipe fittings including, but not limited to;

thrust blocks where required, traffic control, excavation, pavement removal, excavation including rock if required, testing, cleanup, removal and disposal of all unsuitable and excess material, replacement of grass, sod, shrubs, backfill and surface materials, including the replacement of gravel, asphalt, and concrete driveways, and seeding and mulching and all restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions, and other incidental items required for the proper operation of the drainage pipe.

F. Item No. 10: Riprap

1. Payment for furnishing and installing, riprap shall be made at the unit price provided per ton of riprap actually installed, complete in place.

2. Measurement shall be made for this item; Contractor shall provide delivery tickets to confirm tonnage.

3. The unit price provided per ton shall include all labor, materials, tools, equipment and services for furnishing, installing, and maintaining riprap.

G. Items No. 11 and 12: Silt Fence and Safety Fence

1. Payment for furnishing, installing, maintaining and removing silt and safety fencing meeting County standards shall be made at the respective unit price provided in the Schedule of Values per linear foot of fencing actually installed and removed.

2. Measurement lengths shall be made horizontally, along the center of the fence with a representative of the Owner present. The actual length of the fence installed will be paid at 90 percent of the unit price provided, the remainder of the unit price (10 percent) will be paid upon removal and proper disposal of the fence.

3. The unit price provided per each linear foot of fence shall include all labor, materials, tools, equipment, and services for installing, as well as removal and proper disposal of the fence including, but not limited to; excavation including rock if required, storage of excavated materials, backfill, installation of posts, installation of fence mesh, maintenance, replacement as required and any other incidental items required for the proper operation of the fencing.

H. Item No. 13: Construction Entrance

1. Payment for furnishing, installing, maintaining and removing construction entrances meeting County standards shall be made at the respective unit price provided in the Schedule of Values per each actually installed and removed.

MEASUREMENT AND PAYMENT 011300 - 5

2. No measurement shall be made for this item.

3. The unit price provided per each shall include all labor, materials, tools, equipment and services for furnishing and installing the construction entrances as detailed on the Plans and in accordance with VDOT and VDEQ standards including, but not limited to, traffic control, excavation including rock if required, testing, cleanup, removal and disposal of all unsuitable and excess material, and all restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions, and other incidental items required for the proper operation of the curb and gutter.

I. Item No. 14: Culvert Inlet Protection

1. Payment for installing Culvert Inlet Protection meeting County standards shall be made at the unit price provided in the Schedule of Values.

2. No measurement shall be made for this item.

3. The unit price provided per each Culvert Inlet Protection shall include all labor, materials, tools, equipment and services for installing, maintaining, and removing the Culvert Inlet Protection, including all restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions.

J. Item No. 15: Construction Road Stabilization

1. Payment for furnishing, installing, and maintaining construction road stabilization meeting County standards shall be made at the respective unit price provided in the Schedule of Values per each actually installed and removed.

2. No measurement shall be made for this item.

3. The unit price provided per each shall include all labor, materials, tools, equipment and services for furnishing and installing the construction road stabilization as detailed on the Plans and in accordance with VDOT and VDEQ standards including, but not limited to, traffic control, excavation including rock if required, testing, cleanup, removal and disposal of all unsuitable and excess material, and all restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions.

K. Item No. 16: Blankets and Matting

1. Payment for furnishing and installing erosion control blankets and matting shall be made at the unit price provided per square yard of permanent erosion control blankets and matting installed, complete in place.

2. Measurement shall be made in the field.

3. The unit price provided for each square yard of erosion control blankets and matting shall include all labor, materials, tools, equipment, and services for furnishing and installing erosion control blankets and matting including, but not limited to; handling and placing of erosion control blankets and matting as required to stabilize designated disturbed areas and any other incidental items required for proper erosion control.

L. Item No. 17: Permanent Seeding, Fertilizing, Mulch, Tack & Fine Grading

MEASUREMENT AND PAYMENT 011300 - 6

1. Payment for furnishing and installing seeding, fertilizing, and mulch & tack meeting County standards shall be made at the unit price provided in the Schedule of Values per acre of permanent seeding, fertilizing, and mulch & tack installed, complete in place.

2. No measurement shall be made for this item unless requested by the Contractor.

3. The unit price provided for each acre of permanent seeding, fertilizing, and mulch, tack and fine grading shall include all labor, materials, tools, equipment, and services for furnishing and installing permanent seeding, fertilizing, and mulch & tack including, but not limited to;

handling and placing of backfill, rough grading, handling and placing of permanent seed, temporary seeding as required to stabilize disturbed areas, handling and placing of mulch and wetland seeding, handling and placing of fertilizer and lime, watering, testing and any other incidental items required for proper growth in the seeded area.

M. Item No. 18: Allowance - Testing and Inspecting

1. Payment for Testing and Inspecting Services shall be made up to $10,000 allowance for Testing and Inspecting actually performed.

2. No measurement shall be made for this item.

3. The allowance for testing and lab testing performed shall include all labor, materials, tools, equipment and services for performing field compaction test and associated lab testing including, but not limited to; testing, cleanup, removal and disposal of all unsuitable material, replacement of sod, shrubs, backfill and surface materials, including the replacement of gravel, asphalt and concrete driveways, including restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions, and other incidental items required for the proper function and maintenance of the waterline.

1.5 PAYMENT FOR MATERIALS NOT INCORPORATED INTO THE WORK

A. Storage of Materials

1. Payment for equipment and materials stored on the site, or elsewhere as specified in the General Conditions, and not actually incorporated in the Work will be made on the basis of 95 percent of the amount of paid invoices submitted to the Owner for incorporation in the monthly estimate.

B. Authorization for Payment

1. Payment will be authorized after the delivery to the construction site or other approved location and after being certified by the Owner as being stored in conformation with the manufacturer’s recommendations and satisfactory evidence is provided that the items are as specified.

2. Title to all items of equipment and materials upon which payment has been made shall be vested in Owner and documents transferring title shall be executed by the Contractor.

Transfer of ownership shall not relieve the Contractor of continuing insurance coverage and of protecting stored items against damage, deterioration, theft or loss of any kind.

MEASUREMENT AND PAYMENT 011300 - 7

3. Should materials or equipment become damaged or be stored improperly or contrary to the manufacturer’s recommendations, being therefore subject to later damage, then the Owner will reduce the next following monthly payment by an amount sufficient to repair or replace such units.

4. To initiate a request for partial payment the Contractor shall submit his request in writing to the Owner with all necessary evidence.

5. Items of material or equipment to which partial payment applies includes and is limited to the following:

a. Pipes, valves, and fittings are allowed for stored materials.

END OF SECTION 01 13 00

Gordon River – Ni Reservoir Drainage Repairs Spotsylvania County, VA

TEMPORARY FACILITIES AND CONTROLS 015000 - 1

SECTION 01 50 00 - TEMPORARY FACILITIES AND CONTROLS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes requirements for temporary utilities, support facilities, and security and protection facilities.

B. Related Requirements:

1. Section 01 10 00 "Summary" for work restrictions and limitations on utility interruptions.

1.2 USE CHARGES

A. Water and Sewer Service from Existing System: Water from Owner's existing water system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

B. Electric Power Service from Existing System: Electric power from Owner's existing system is not available for use; contractor shall be responsible for all electrical connections and extensions of services as required for construction operations.

1.3 INFORMATIONAL SUBMITTALS

A. Site Utilization Plan: Show temporary facilities, temporary utility lines and connections, staging areas, construction site entrances, vehicle circulation, and parking areas for construction personnel.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SUPPORT FACILITIES INSTALLATION

A. Traffic Controls: Comply with requirements of authorities having jurisdiction.

1. Protect existing site improvements to remain including curbs, pavement, and utilities.

2. Maintain access for fire-fighting equipment and access to fire hydrants.

B. Parking: Project Site has limited area for parking areas for construction personnel.

C. Storage and Staging: Project site has limited area for storage and staging needs.

TEMPORARY FACILITIES AND CONTROLS 015000 - 2

D. Dewatering Facilities and Drains: Comply with requirements of authorities having jurisdiction.

Maintain Project site, excavations, and construction free of water.

1. Dispose of rainwater in a lawful manner that will not result in flooding Project or adjoining properties or endanger permanent Work or temporary facilities.

2. Remove snow and ice as required to minimize accumulations.

E. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations.

3.2 SECURITY AND PROTECTION FACILITIES INSTALLATION

A. Protection of Existing Facilities: Protect existing vegetation, equipment, structures, utilities, and other improvements at Project site and on adjacent properties, except those indicated to be removed or altered. Repair damage to existing facilities.

1. Where access to adjacent properties is required in order to effect protection of existing facilities, obtain written permission from adjacent property owner to access property for that purpose.

B. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction as required to comply with environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

C. Temporary Erosion and Sediment Control: Comply with requirements of EPA Construction General Permit or authorities having jurisdiction, whichever is more stringent and requirements specified in Section 311000 "Site Clearing."

D. Temporary Erosion and Sediment Control: Provide measures to prevent soil erosion and discharge of soil-bearing water runoff and airborne dust to undisturbed areas and to adjacent properties and walkways, according to erosion and sediment control drawings.

1. Verify that flows of water redirected from construction areas or generated by construction activity do not enter or cross tree- or plant-protection zones.

2. Inspect, repair, and maintain erosion and sediment control measures during construction until permanent vegetation has been established.

3. Clean, repair, and restore adjoining properties and roads affected by erosion and sediment from Project site during the course of Project.

4. Remove erosion and sediment controls and restore and stabilize areas disturbed during removal.

E. Stormwater Control: Comply with requirements of authorities having jurisdiction. Provide barriers in and around excavations and subgrade construction to prevent flooding by runoff of stormwater from heavy rains.

F. Tree and Plant Protection: Install temporary fencing located as indicated or outside the drip line of trees to protect vegetation from damage from construction operations. Protect tree root systems from damage, flooding, and erosion.

TEMPORARY FACILITIES AND CONTROLS 015000 - 3

G. Site Protection: Ensure that there are no open excavations that are not covered by steel plates during non-construction hours.

H. Barricades, Warning Signs, and Lights: Comply with requirements of authorities having jurisdiction for erecting structurally adequate barricades, including warning signs and lighting.

I. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities.

END OF SECTION 01 50 00

TEMPORARY TREE AND PLANT PROTECTION 015639 - 1

SECTION 01 56 39 - TEMPORARY TREE AND PLANT PROTECTION

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes general protection and pruning of existing trees and plants that are affected by execution of the Work, whether temporary or permanent construction.

1.2 DEFINITIONS

A. Plant Protection Zone: Area surrounding individual trees, groups of trees, shrubs, or other vegetation to be protected during construction and indicated on drawings.

1.3 PREINSTALLATION MEETINGS

A. Pre-installation Conference: Conduct conference at Project site.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Tree Pruning Schedule: Written schedule detailing scope and extent of pruning of trees to remain that interfere with or are affected by construction.

1.5 INFORMATIONAL SUBMITTALS

A. Certification: From arborist, certifying that trees indicated to remain have been protected during construction according to recognized standards and that trees were promptly and properly treated and repaired when damaged.

B. Maintenance Recommendations: From arborist, for care and protection of trees affected by construction during and after completing the Work.

C. Existing Conditions: Documentation of existing trees and plantings indicated to remain, which establishes preconstruction conditions that might be misconstrued as damage caused by construction activities.

1.6 QUALITY ASSURANCE

A. Arborist Qualifications: Certified Arborist as certified by ISA, licensed arborist in jurisdiction where Project is located, current member of ASCA, or registered Consulting Arborist as designated by ASCA.

TEMPORARY TREE AND PLANT PROTECTION 015639 - 2

1.7 FIELD CONDITIONS

A. The following practices are prohibited within protection zones:

1. Storage of construction materials, debris, or excavated material.

2. Moving or parking vehicles or equipment.

3. Foot traffic.

4. Erection of sheds or structures.

5. Impoundment of water.

6. Excavation or other digging unless otherwise indicated.

7. Attachment of signs to or wrapping materials around trees or plants unless otherwise indicated.

B. Do not direct vehicle or equipment exhaust toward protection zones.

C. Prohibit heat sources, flames, ignition sources, and smoking within or near protection zones and organic mulch.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Protection Zone Fencing: Fencing fixed in position and meeting the following requirements:

1. Plastic Protection Zone Fencing: Plastic construction fencing constructed of high-density extruded and stretched polyethylene fabric with 2-inch (50-mm) maximum opening in pattern and supported by tubular or T-shape galvanized-steel posts spaced not more than 96 inches (2400 mm) apart. High-visibility orange color with a minimum height of 48-inches (1143mm).

PART 3 - EXECUTION

3.1 EXAMINATION

A. Erosion and Sediment Control: Examine the site to verify that temporary erosion and sediment control measures are in place. Verify that flows of water redirected from construction areas or generated by construction activity do not enter or cross protection zones.

3.2 PREPARATION

A. Protect tree root systems from damage caused by runoff or spillage of noxious materials while mixing, placing, or storing construction materials. Protect root systems from ponding, eroding, or excessive wetting caused by dewatering operations.

TEMPORARY TREE AND PLANT PROTECTION 015639 - 3

3.3 PROTECTION ZONES

A. Protection Zone Fencing: Install protection zone fencing along edges of protection zones in a manner that will prevent people from easily entering protected areas except by entrance gates.

3.4 EXCAVATION

A. General: Excavate at edge of protection zones and for trenches indicated within protection zones according to requirements in Section 312000 "Earth Moving" unless otherwise indicated.

B. Trenching within Protection Zones: Where utility trenches are required within protection zones, excavate under or around tree roots by hand or with air spade, or tunnel under the roots by drilling, auger boring, or pipe jacking. Do not cut main lateral tree roots or taproots; cut only smaller roots that interfere with installation of utilities. Cut roots as required for root pruning.

C. Do not allow exposed roots to dry out before placing permanent backfill.

3.5 FIELD QUALITY CONTROL

A. Inspections: Engage a qualified arborist to direct plant protection measures in the vicinity of trees, shrubs, and other vegetation indicated to remain and to prepare inspection reports.

3.6 REPAIR AND REPLACEMENT

A. General: Repair or replace trees, shrubs, and other vegetation indicated to remain or to be relocated that are damaged by construction operations, in a manner approved by Spotsylvania County.

1. Perform repairs of damaged trunks, branches, and roots within 24 hours according to arborist's written instructions.

2. Replace trees and other plants that cannot be repaired and restored to full-growth status, as determined by Spotsylvania County.

3.7 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Disposal: Remove excess excavated material, displaced trees, trash, and debris and legally dispose of them off Owner's property.

END OF SECTION 01 56 39

TEMPORARY STORM WATER POLLUTION CONTROL 015723 - 1

SECTION 01 57 23 - TEMPORARY STORM WATER POLLUTION CONTROL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

Temporary stormwater pollution controls.

1.2 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.3 INFORMATIONAL SUBMITTALS

A. Stormwater Pollution Prevention Plan (SWPPP) must be prepared and submitted in accordance with all state and local regulations.

B. Inspection reports must be prepared and submitted in accordance with all state and local regulations.

1.4 QUALITY ASSURANCE

A. Stormwater Pollution Prevention Plan (SWPPP) Coordinator: Experienced individual or firm with a record of successful water pollution control management coordination of projects with similar requirements.

1. SWPPP Coordinator shall complete and finalize the SWPPP form.

2. SWPPP Coordinator shall be responsible for inspections and maintenance of all requirements of the SWPPP.

B. Installers: Trained as indicated in the SWPPP.

PART 2 - PRODUCTS

2.1 TEMPORARY STORMWATER POLLUTION CONTROLS

A. Provide temporary stormwater pollution controls as shown on the Plans and required by the

SWPPP.

TEMPORARY STORM WATER POLLUTION CONTROL 015723 - 2

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with all best management practices, general requirements, performance requirements, reporting requirements, and all other requirements included in the SWPPP.

B. Locate stormwater pollution controls in accordance with the SWPPP.

C. Conduct construction as required to comply with the SWPPP and minimize possible contamination or pollution or other undesirable effects.

1. Inspect, repair, and maintain SWPPP controls during construction.

a. Inspect all SWPPP controls not less than every four business days, and after each occurrence of a rain event, as outlined in the SWPPP.

D. Remove SWPPP controls at completion of construction and restore and stabilize areas disturbed during construction.

END OF SECTION 01 57 23

October 2023 Spotsylvania County, VA

FACILITY STORM DRAINAGE PIPING 221413 - 1

SECTION 22 14 13 - FACILITY STORM DRAINAGE PIPING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Smooth Wall Steel Pipe and fittings.

2. Riprap.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

1.3 INFORMATIONAL SUBMITTALS

A. Coordination Drawings: Detail storm drainage piping. Show support locations, type of support, weight on each support, required clearances, and other details, drawn to scale, and coordinated with each other, using input from installers of the items involved.

B. Field quality-control reports.

1.4 QUALITY ASSURANCE

A. Piping materials shall bear label, stamp, or other markings of specified testing agency.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. See Plans for performance requirements.

2.2 SMOOTH WALL STEEL PIPE AND FITTINGS

A. See Section 312401 “Smooth Wall Steel Pipe Boring” for additional information and requirements.

FACILITY STORM DRAINAGE PIPING 221413 - 2

2.3 RIPRAP

A. See Section 204 of the Virginia Department of Transportation Road and Bridge Specifications for additional information.

PART 3 - EXECUTION

3.1 EARTH MOVING

A. Comply with requirements for excavating, trenching, and backfilling specified in Section 312000 "Earth Moving."

3.2 PIPING INSTALLATION

A. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems.

1. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations.

2. Install piping as indicated unless deviations from layout are approved on coordination drawings.

B. Install piping to permit valve servicing.

C. Install piping at indicated slopes.

D. Install piping free of sags and bends.

3.3 VALVE INSTALLATION

A. General

1. See Plans for details and additional specifications and requirements.

3.4 CONNECTIONS

A. Drawings indicate general arrangement of piping, fittings, and specialties.

1. Comply with manufacturer’s recommendations.

3.5 RIPRAP

A. See Section 414 of the Virginia Department of Transportation Road and Bridge Specifications for additional information and requirements.

FACILITY STORM DRAINAGE PIPING 221413 - 3

3.6 FIELD QUALITY CONTROL

A. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be made. Perform tests specified below in presence of authorities having jurisdiction.

1. Roughing-in Inspection: Arrange for inspection of piping before concealing or closing-in after roughing-in.

2. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests specified below and to ensure compliance with requirements.

B. Test storm drainage piping according to procedures of authorities having jurisdiction or, in absence of published procedures, as follows:

1. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or repaired.

a. If testing is performed in segments, submit separate report for each test, complete with diagram of portion of piping tested.

2. Leave uncovered and unconcealed new, altered, extended, or replaced storm drainage piping until it has been tested and approved.

a. Expose work that was covered or concealed before it was tested.

3. Test Procedure:

a. Test storm drainage piping on completion of roughing-in.

b. Inspect joints for leaks.

4. Repair leaks and defects with new materials and retest piping, or portion thereof, until satisfactory results are obtained.

5. Prepare reports for tests and required corrective action.

C. Piping will be considered defective if it does not pass tests and inspections.

D. Prepare test and inspection reports.

3.7 CLEANING AND PROTECTION

A. Clean interior of piping. Remove dirt and debris as work progresses.

B. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work.

C. Place plugs in ends of uncompleted piping at end of day and when work stops.

3.8 PIPING SCHEDULE

A. As shown on the Plans.

FACILITY STORM DRAINAGE PIPING 221413 - 4

END OF SECTION 22 14 13

SITE CLEARING 311000 - 1

SECTION 31 10 00 - SITE CLEARING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Protecting existing vegetation to remain.

2. Removing existing vegetation.

3. Clearing and grubbing.

4. Stripping and stockpiling topsoil.

5. Removing above- and below-grade site improvements.

6. Disconnecting, capping, or sealing site utilities.

7. Temporary erosion and sediment control.

1.2 PREINSTALLATION MEETINGS

A. Pre-installation Conference: Conduct conference at Project site.

1.3 MATERIAL OWNERSHIP

A. Except for materials indicated to be stockpiled or otherwise remain Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site.

1.4 FIELD CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations.

1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction.

2. Provide alternate routes around closed or obstructed traffic-ways if required by Owner or authorities having jurisdiction.

B. Salvageable Improvements: Carefully remove items indicated to be salvaged and store on Owner's premises.

C. Utility Locator Service: Notify utility locator service for area where Project is located before site clearing.

D. Do not commence site clearing operations until temporary erosion and sediment control and tree and plant protection measures are in place.

E. Tree and Plant Protection Zones: Protect according to requirements in Section 01 56 39 "Temporary Tree and Plant Protection."

SITE CLEARING 311000 - 2

PART 2 - PRODUCTS

2.1 MATERIALS

A. Satisfactory Soil Material: Requirements for satisfactory soil material are specified in Section 31 20 00 "Earth Moving."

1. Obtain approved borrow soil material off-site when satisfactory soil material is not available on-site.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect and maintain benchmarks and survey control points from disturbance during construction.

B. Verify that trees, shrubs, and other vegetation to remain or to be relocated have been flagged and that protection zones have been identified.

C. Protect and maintain existing site improvements from disturbance and damage during construction.

1. Restore damaged improvements to their original condition, as acceptable to Owner.

3.2 TEMPORARY EROSION AND SEDIMENTATION CONTROL

A. Provide temporary erosion and sediment control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways, according to erosion and sediment control drawings and requirements of authorities having jurisdiction.

B. Verify that flows of water redirected from construction areas or generated by construction activity do not enter or cross protection zones.

C. Inspect, maintain, and repair erosion and sediment control measures during construction until permanent vegetation has been established.

D. Remove erosion and sediment controls, and restore and stabilize areas disturbed during removal.

3.3 TREE AND PLANT PROTECTION

A. Protect trees and plants remaining on-site.

B. Repair or replace trees, shrubs, and other vegetation indicated to remain.

SITE CLEARING 311000 - 3

3.4 EXISTING UTILITIES

A. Locate, identify, disconnect, and seal or cap utilities indicated to be removed or abandoned in place.

1. Arrange with utility companies to shut off indicated utilities.

B. Interrupting Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others, unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify Owner/Spotsylvania County not less than five days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Owner’s written permission.

3.5 TOPSOIL STRIPPING

A. Remove sod and grass before stripping topsoil.

B. Strip topsoil to depth of 6 inches in a manner to prevent intermingling with underlying subsoil or other waste materials.

C. Stockpile topsoil away from edge of excavations without intermixing with subsoil or other materials. Grade and shape stockpiles to drain surface water. Cover to prevent windblown dust and erosion by water.

3.6 SITE IMPROVEMENTS

A. Remove existing above- and below-grade improvements as indicated and necessary to facilitate new construction.

3.7 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off Owner's property.

B. Separate recyclable materials produced during site clearing from other non-recyclable materials.

Store or stockpile without intermixing with other materials and transport them to recycling facilities. Do not interfere with other Project work.

END OF SECTION 31 10 00

EARTH MOVING 312000 - 1

SECTION 31 20 00 - EARTH MOVING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Excavating and backfilling for structures.

2. Excavating and backfilling trenches for utilities and pits for buried utility structures.

1.2 DEFINITIONS

A. Backfill: Soil material used to fill an excavation.

1. Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to support sides of pipe.

2. Final Backfill: Backfill placed over initial backfill to fill a trench.

B. Base Course: Aggregate layer placed between the subbase course and hot-mix asphalt paving.

C. Bedding Course: Aggregate layer [VDOT #57 Stone] placed over the excavated subgrade in a trench before laying pipe.

D. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

E. Drainage Course: Aggregate layer supporting the slab-on-grade that also minimizes upward capillary flow of pore water.

F. Excavation: Removal of material encountered above subgrade elevations and to lines and dimensions indicated.

1. Authorized Additional Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions as directed by Owner. Authorized additional excavation and replacement material will be paid for according to Contract provisions for changes in the Work.

2. Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions without direction by Owner. Unauthorized excavation, as well as remedial work directed by Owner, shall be without additional compensation.

G. Fill: Soil materials used to raise existing grades.

H. Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below the ground surface.

I. Subbase Course: Aggregate layer placed between the subgrade and base course for hot-mix asphalt pavement, or aggregate layer placed between the subgrade and a cement concrete pavement or a cement concrete or hot-mix asphalt walk.

EARTH MOVING 312000 - 2

J. Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill immediately below subbase, drainage fill, drainage course, or topsoil materials.

K. Utilities: On-site underground pipes, conduits, ducts, and cables as well as underground services within buildings.

1.3 PREINSTALLATION MEETINGS

A. Pre-installation Conference: Conduct pre-excavation conference at Project site.

1.4 INFORMATIONAL SUBMITTALS

A. Material test reports.

1.5 FIELD CONDITIONS

A. Utility Locator Service: Notify utility locator service for area where Project is located before beginning earth-moving operations.

B. Do not commence earth moving operations until tree and plant protection measures specified in Section 01 56 39 "Temporary Tree and Plant Protection" are in place.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: Soil Classification Groups SC or SM according to ASTM D 2487, or a combination of these groups; free of rock or gravel larger than 2 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils: Soil Classification Groups GC, SC, CL, ML, OL, CH, MH, OH, and PT according to ASTM D 2487, or a combination of these groups.

1. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of optimum moisture content at time of compaction.

D. Subbase Material: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940/D 2940M; with at least 90 percent passing a 1-1/2-inch (37.5-mm) sieve and not more than 12 percent passing a No. 200 (0.075-mm) sieve.

E. Base Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 294/D 2940M 0; with at least 95 percent passing a 1-1/2-inch (37.5-mm) sieve and not more than 8 percent passing a No. 200 (0.075-mm) sieve.

EARTH MOVING 312000 - 3

F. Engineered Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940/D 2940M; with at least 90 percent passing a 1-1/2-inch (37.5-mm) sieve and not more than 12 percent passing a No. 200 (0.075-mm) sieve.

G. Bedding Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940/D 2940M; except with 100 percent passing a 1-inch (25-mm) sieve and not more than 8 percent passing a No. 200 (0.075-mm) sieve.

2.2 ACCESSORIES

A. Warning Tape: Acid and alkali resistant, polyethylene film warning tape manufactured for marking and identifying underground utilities, 6 inches (150 mm) wide and 4 mils (0.1 mm) thick, continuously inscribed with a description of the utility; colored to comply with local practice or requirements of authorities having jurisdiction.

B. Detectable Warning Tape: Acid and alkali resistant, polyethylene film warning tape manufactured for marking and identifying underground utilities, a minimum of 6 inches (150

mm) wide and 4 mils (0.1 mm) thick, continuously inscribed with a description of the utility, with metallic core encased in a protective jacket for corrosion protection, detectable by metal detector when tape is buried up to 30 inches (750 mm) deep; colored to comply with…