Attachment C - Project Manual.pdf

PROJECT MANUAL

SPOTSYLVANIA COUNTY

CALHOUN DRIVE SANITARY SEWER IMPROVEMENTS

IFB # 24-26-TS

September 18, 2023

PREPARED BY

Sullivan, Donahoe & Ingalls, PC

FOR

Spotsylvania County Utilities / Public Works

600 Hudgins Road Fredericksburg, VA 22408

TABLE OF CONTENTS

Bid Forms & Technical Specifications

Calhoun Drive Sanitary Sewer Improvements

Attachment B Bid Forms

Section 01130 Measurement and Payment

Section 011000 Summary

Section 013233 Photographic Documentation

Section 015000 Temporary Facilities and Controls

Section 015639 Temporary Tree and Plant Protection

Section 015723 Temporary Storm Water Pollution Control

Section 221313 Facility Sanitary Sewers

Section 311000 Site Clearing

Section 312000 Earth Moving

Section 323113 Fences and Gates

Section 323223 Segmental Retaining Walls

Section 329200 Turfs and Grasses

Section 329300 Plants

Calhoun Drive Sanitary Sewer Improvements Spotsylvania County, VA September 2023

MEASUREMENT AND PAYMENT 01130 - 1

SECTION 01130 – 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 01130 - 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

Payments during the course of the Work will be made on the basis of actual amount of the Work item installed at the end of the pay period. Determination of the amount of the Work item installed shall be made by the Contractor and reviewed and approved by the Owner.

Payments during the course of the Work for lump sum items will be made on the basis of percentage of completion of the Work items listed in the Schedule of Values for each lump sum item.

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.

MEASUREMENT AND PAYMENT 01130 - 3

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, recording pre-construction conditions of the project site, progress photographs, project sign, permits, shop drawings, access gates and signage, Contractor’s test pits, and other 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: Clearing & Grubbing

1. Payment for site clearing and grubbing shall be made at the lump sum bid for Clearing & Grubbing.

2. No measurement shall be made for this item.

3. The lump sum price bid for clearing and grubbing shall include all labor, materials, tools, equipment, and services including the stake out of the clearing limits, the lawful disposal of clearing & grubbing operations, and all else necessary to clear the project site for the proper function and maintenance of the construction site.

C. Items No. 3 and 4: 8” and 12” Dia. SDR-35 PVC Gravity Sewer

1. Payment for furnishing and installing SDR-35 PVC Gravity Sewer, at all depths of unclassified excavation, of the specified diameter [either 8-inch or 12-inch diameter] shall be made at the unit price provided 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. No deductions will be made in the measured length for manholes.

3. The unit price provided per linear foot shall include all labor, materials, tools, equipment and services for furnishing and installing the specified diameter [either 8-inch or 12-inch] SDR- 35 PVC sanitary sewer pipe including, but not limited to, traffic control, pavement removal, excavation including rock if required, removal and disposal of the existing pipe, all temporary bypass pumping operations, laying of the pipe, including pipe bedding and backfill (No. 57 stone per County Utilities Manual Standards), trench support, dewatering, making of joint connections, temporary blocking, cleanup, removal and disposal of all unsuitable and excess material, backfill and surface materials, and site restoration. Topsoil, fertilize, and seeding shall be paid under Item 17 – Permanent and Temporary Seeding. Any items and/or appurtenances necessary for the proper operation of the sewer line shall be included in Items 3 and 4.

D. Items No. 5 through 8: 4’ and 5’ Dia. Sanitary Sewer Manholes

1. Payment for pre-cast concrete sanitary sewer manholes of the specified diameter and height with watertight frame and cover (or standard frame and cover where specified), (and with

MEASUREMENT AND PAYMENT 01130 - 4

inside drop where specified), (and with Vent where specified) shall be made at the unit price provided per manhole, actually installed, complete in place.

2. No measurements shall be made for these items.

3. The unit price provided per each manhole shall include all labor, materials, tools, equipment and services for furnishing and installing the specified [4’-0” or 5’-0”] diameter pre-cast concrete manholes of the specified height including, but not limited to; traffic control, unclassified excavation and pavement removal, excavation including rock if required, trench support, dewatering, handling and placing of manhole sections, watertight frames and covers (where specified), outside coating, flexible pipe connections, steps, making connections, temporary blocking, stone bedding (No. 57 stone per County Utilities Manual Standards), testing, cleanup, removal and disposal of all unsuitable and excess material, 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 manholes.

E. Item No. 9 Sewer Lateral Connection

1. Payment for furnishing and installing sewer lateral connections shall be made at the unit price provided per each connection actually installed, complete in place.

2. No measurement shall be made for this item.

3. The unit price provided per each connection shall include all labor, materials, tools, equipment and services for furnishing and installing connections including, but not limited to; new sanitary sewer cleanouts, additional lengths of sanitary sewer laterals, excavation including rock if required, including bedding (No. 57 stone per County Utilities Manual Standards), trench support, dewatering, making of joints connections, temporary blocking, 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 installation of the sanitary sewer connection.

F. Items No. 10 and 11 Abandon Existing Manhole and Plug Sewer Line

1. Payment for the abandonment of sanitary sewer manholes and sections of sewer lines shall be made at the unit price provided per each actually constructed, complete in place.

2. No measurement shall be made for these items. Payment shall not be made until the new construction is in place and accepted and the identified sanitary sewer manholes and sections of sewer lines have been abandoned, plugged, and watertight seals created.

3. The unit price provided per each shall include all labor, materials, tools, equipment and services for removal and delivery of all salvageable components including, but not limited to frames and covers, furnishing and installing non-shrink grout seals of all openings, furnishing and installing plugs on sanitary sewer lines to be abandoned in place, traffic control, excavation including rock if required, removal and disposal of non-salvageable components, pumping and removal of all sewerage, grease, and debris within structures, temporary bypass pumping operations if required, cleanup, removal and disposal of all

MEASUREMENT AND PAYMENT 01130 - 5

unsuitable material, 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 abandonment of the sanitary sewer manholes and pipe sections.

G. Item No. 12: Temporary 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.

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. This item will be paid at 90 percent of the unit price provided at installation, and the remainder of the unit price (10 percent) will be paid upon removal and proper restoration of the area.

H. Items No. 13 through 15: Silt Fence, Super Silt Fence, and Orange Safety Fence

1. Payment for furnishing, installing, maintaining and removing silt, super silt, and orange 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.

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.

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. The Contractor shall not exceed the quantity stated in the Schedule of Values without authorization from the Owner.

I. Item No. 16: Stream Crossing

1. Payment for furnishing, installing, maintaining and removing the stream crossing 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 installing and maintaining the stream crossing, coffer dams, and any other

MEASUREMENT AND PAYMENT 01130 - 6

measures that may be necessary, as detailed on the Plans and in accordance with County and VDEQ standards including, but not limited to, any items required for the proper function and maintenance of the stream crossing and all restoration required to restore disturbed areas to a condition equal to or better than pre-construction conditions. This item will be paid at 90 percent of the unit price provided at installation, and the remainder of the unit price (10 percent) will be paid upon removal, proper disposal of materials, and proper restoration of the area.

J. Item No. 17: Temporary and Permanent Seeding, Fertilizing, and Mulch & Tack

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 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 seeding, fertilizing, and mulch & tack shall include all labor, materials, tools, equipment, and services for furnishing and installing seeding, fertilizing, and mulch & tack including, but not limited to; handling and placing of backfill, topsoil, fine 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.

K. Items No. 18 and 19: Riprap (Class I) and Gabion Basket/Stone (both with Filter Cloth)

1. Payment for furnishing and installing riprap stone (Class I) with filter cloth and furnishing and installing gabion baskets/stone with filter cloth to make stream and/or channel stabilization repairs where indicated shall be made at the respective unit prices for these stream bank stabilization items within the Schedule of Values per cubic yard installed, complete in place.

2. Field measurements will be made for this item; the Contractor shall not exceed the quantity stated in the Schedule of Values without authorization from the Owner.

3. The unit price bid for these stream bank stabilization items within the Schedule of Values shall include all labor, materials, tools, equipment, and services necessary for installing a complete stabilized embankment as detailed on the Plans and in accordance with DEQ, USACE, and Spotsylvania County standards including, but not limited to; temporary coffer dams, dewatering, restoration of any areas impacted by said installation, and other incidental items required for the proper function of the stream embankment.

L. Item No. 20: TM 22B ((2)) 63 Removal & Replacement Fence and Trees

1. Payment for the removal and replacement of existing fencing in the rear yard and the removal and replacement of trees and re-establishment of landscape buffer as recommended by arborist, all located on TM 22B ((2)) 63, shall be made at the lump sum price within the Schedule of Values.

2. No measurement shall be made for this item.

MEASUREMENT AND PAYMENT 01130 - 7

3. On TM 22B ((2)) 63, there is existing fencing that needs to be removed to allow for the construction of the sanitary sewer and stream bank stabilization; the property owner has elected to have the replacement fencing placed along the sanitary sewer easement as shown on the Plans. The new fencing shall be of similar type, material, and height.

4. On TM 22B ((2)) 63, there are two (2) trees which have been designated for removal by cutting their stumps 2” below ground. As compensation of the loss of landscape buffer in the area between the 20-foot easement and the stream embankment, the Contractor shall install four (4) trees from the following species list: Betula nigra, Acer pensylvanicum, Cercis canadensis, or Amelanchier canadensis. Contractor may select species from the list which are locally available and appropriate, but Owner must approve size/caliper. Additionally, Contractor shall plant Arctostaphylos uva-ursi (kinnikinnick) treated cuttings 2-feet on center in disturbed area.

5. This item will be paid at 50 percent of the unit price provided upon removal and proper disposal of materials, and the remainder of the unit price (50 percent) will be paid upon proper installation, successful planting, and proper restoration of the area.

M. Item No. 21: Over-Excavation and Removal of Unsuitable Subgrade and Furnish/ Install Additional Gravel Bedding (#57 Stone Aggregate) for Sanitary Sewer in Excess of Normal Requirements -

CONTINGENT ITEM

1. Payment for over-excavating, removal, and disposal of unsuitable material below the trench subgrade and furnishing and backfilling with 12 inches of VDOT No. 57 stone wrapped in geotextile will be made at the unit price bid per ton. Measurement shall be made for compacted material, in-place where ordered in writing by the Owner, actually installed, complete in place.

2. Measurement will be made in the field and witnessed by the Owner; Contractor will not be compensated for unwitnessed measurements.

3. The unit price bid per ton shall include all labor, materials, tools, equipment and services for furnishing and placing select borrow material including, but not limited to, disposal of unsuitable material, transportation, trench support, placing of select material, compaction, dewatering, and any other incidental item required for proper installation, function and maintenance of the sewer line.

4. Payment will not be made for select borrow material placed beyond the limits directed by the Owner.

N. Item No. 22: Allowance - Testing and Inspecting

1. Payment for Testing and Inspecting Services shall be made up to the $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

MEASUREMENT AND PAYMENT 01130 - 8

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 sewer line.

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 90 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 rest with the 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.

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. Allowances as determined and directed by the Owner.

END OF SECTION 01130

SUMMARY 011000 - 1

SECTION 011000 - 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 a replacement sanitary sewer main including connecting sewer laterals and abutting stream bank stabilization and other Work in accordance with Spotsylvania County Water and Sewer Design & Construction standards and as indicated in the Contract Documents.

1.3 PHASED CONSTRUCTION

A. The proposed sewer 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. Division 00 Contracting Requirements: General provisions of the Contract, including General and Supplementary Conditions, apply to all Sections of the Specifications.

C. Division 01 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

PHOTOGRAPHIC DOCUMENTATION 013233 - 1

SECTION 013233 - PHOTOGRAPHIC DOCUMENTATION

1.1 SUMMARY

A. Section includes administrative and procedural requirements for the following:

1. Preconstruction photographs.

2. Periodic construction photographs.

3. Final completion construction photographs.

1.2 INFORMATIONAL SUBMITTALS

A. Digital Photographs: Submit image files to Owner within three days of taking photographs.

1. Submit photos via email.

2. Identification: Provide the following information with each image description:

a. Name of Project.

b. Name of Contractor.

c. Date photograph was taken.

d. Description of location, vantage point, and direction.

e. Unique sequential identifier keyed to accompanying key plan.

1.3 FORMATS AND MEDIA

A. Digital Photographs: Provide color images in JPG format, produced by a high resolution digital camera or smartphone. Use flash in low light levels or backlit conditions.

B. Digital Images: Submit digital media as originally recorded, without alteration, manipulation, editing, or modifications using image-editing software.

1.4 CONSTRUCTION PHOTOGRAPHS

A. General: Take photographs with maximum depth of field and in focus.

1. Maintain log with each set of construction photographs that identifies each photographic location.

B. Preconstruction Photographs: Before starting construction, take photographs of Project site and surrounding properties, including existing items to remain during construction, from different vantage points.

PHOTOGRAPHIC DOCUMENTATION 013233 - 2

C. Periodic Construction Photographs: Take photographs monthly coinciding with the cutoff date associated with each Application for Payment. Select vantage points to show status of construction and progress since last photographs were taken.

D. Final Completion Construction Photographs: Take photographs after date of Substantial Completion for submission as Project Record Documents.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 013233

TEMPORARY FACILITIES AND CONTROLS 015000 - 1

SECTION 015000 - TEMPORARY FACILITIES AND CONTROLS

1.1 SUMMARY

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

B. Related Requirements:

1. Section 011000 "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

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 015000

TEMPORARY TREE AND PLANT PROTECTION 015639 - 1

SECTION 015639 - TEMPORARY TREE AND PLANT PROTECTION

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.

a. Height: 48 inches.

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 015639

TEMPORARY STORM WATER POLLUTION CONTROL 015723 - 1

SECTION 015723 - TEMPORARY STORM WATER POLLUTION CONTROL

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 015723

SANITARY SEWERS 221313 - 1

SECTION 221313 - SANITARY SEWERS

1.1 SUMMARY

A. Section Includes:

1. Nonpressure-type transition couplings.

2. Cleanouts.

3. Manholes.

4. Concrete.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings: For manholes. Include plans, elevations, sections, details, and frames and covers.

1.3 INFORMATIONAL SUBMITTALS

A. Coordination Drawings:

1. Show system piping in profile. Draw profiles to horizontal scale of not less than 1 inch equals 50 feet (1:500) and to vertical scale of not less than 1 inch equals 5 feet (1:50).

Indicate manholes and piping. Show types, sizes, materials, and elevations of other utilities crossing system piping.

B. Product Certificates: For each type of pipe and fitting.

C. Field quality-control reports.

PART 2 - PRODUCTS

2.1 PVC PIPE AND FITTINGS

A. PVC Type PSM Sewer Piping:

1. Pipe: ASTM D 3034, SDR 35, PVC Type PSM sewer pipe with bell-and-spigot ends for gasketed joints.

2. Fittings: ASTM D 3034, PVC with bell ends.

3. Gaskets: ASTM F 477, elastomeric seals.

SANITARY SEWERS 221313 - 2

2.2 NONPRESSURE-TYPE TRANSITION COUPLINGS

A. Comply with ASTM C 1173, elastomeric, sleeve-type, reducing or transition coupling; for joining underground nonpressure piping. Include ends of same sizes as piping to be joined and include corrosion-resistant-metal tension band and tightening mechanism on each end.

B. Sleeve Materials:

1. For Cast-Iron Soil Pipes: ASTM C 564, rubber.

2. For Plastic Pipes: ASTM F 477, elastomeric seal or ASTM D 5926, PVC.

3. For Dissimilar Pipes: ASTM D 5926, PVC or other material compatible with pipe materials being joined.

C. Unshielded, Flexible Couplings:

1. Description: Elastomeric sleeve with stainless-steel shear ring and corrosion-resistant-metal tension band and tightening mechanism on each end.

D. Ring-Type, Flexible Couplings:

1. Description: Elastomeric compression seal with dimensions to fit inside bell of larger pipe and for spigot of smaller pipe to fit inside ring.

E. Nonpressure-Type, Rigid Couplings:

1. Description: ASTM C 1461, sleeve-type, reducing- or transition-type mechanical coupling; molded from ASTM C 1440, TPE material; with corrosion-resistant-metal tension band and tightening mechanism on each end.

2.3 CLEANOUTS

A. Cast-Iron Cleanouts:

1. Description: ASME A112.36.2M, round, gray-iron housing with clamping device and round, secured, scoriated, gray-iron cover. Include gray-iron ferrule with inside calk or spigot connection and countersunk, tapered-thread, brass closure plug.

2. Top-Loading Classification(s): Heavy Duty.

3. Sewer Pipe Fitting and Riser to Cleanout: ASTM A 74, Service class, cast-iron soil pipe and fittings.

2.4 MANHOLES

A. Standard Precast Concrete Manholes:

1. Description: ASTM C 478 (ASTM C 478M), precast, reinforced concrete, of depth indicated, with provision for sealant joints.

2. Diameter: 48 inches (1200 mm) minimum unless otherwise indicated.

3. Ballast: Increase thickness of precast concrete sections or add concrete to base section, as required to prevent flotation.

SANITARY SEWERS 221313 - 3

4. Base Section: 6-inch (150-mm) minimum thickness for floor slab and 4-inch (100-mm) minimum thickness for walls and base riser section; with separate base slab or base section with integral floor.

5. Riser Sections: 4-inch (100-mm) minimum thickness, of length to provide depth indicated.

6. Top Section: Eccentric-cone type unless concentric-cone or flat-slab-top type is indicated; with top of cone of size that matches grade rings.

7. Joint Sealant: ASTM C 990 (ASTM C 990M), bitumen or butyl rubber.

8. Resilient Pipe Connectors: ASTM C 923 (ASTM C 923M), cast or fitted into manhole walls, for each pipe connection.

9. Steps: ASTM A 615/A 615M, deformed, 1/2-inch (13-mm) steel reinforcing rods encased in ASTM D 4101, PP; wide enough to allow worker to place both feet on one step and designed to prevent lateral slippage off step. Cast or anchor steps into sidewalls at 12- to 16-inch (300- to 400-mm) intervals. Omit steps if total depth from floor of manhole to finished grade is less than 60 inches (1500 mm).

10. Adjusting Rings: Interlocking HDPE rings, with level or sloped edge in thickness and diameter matching manhole frame and cover, and with height as required to adjust manhole frame and cover to indicated elevation and slope. Include sealant recommended by ring manufacturer.

11. Grade Rings: Reinforced-concrete rings, 6- to 9-inch (150- to 225-mm) total thickness, with diameter matching manhole frame and cover, and with height as required to adjust manhole frame and cover to indicated elevation and slope.

B. Manhole Frames and Covers:

1. Description: Ferrous; 24-inch (610-mm) ID by 7- to 9-inch (175- to 225-mm) riser, with 4-inch- (100-mm-) minimum-width flange and 26-inch- (660-mm-) diameter cover.

Include indented top design with lettering cast into cover, using wording equivalent to

"SANITARY SEWER."

2. Material: ASTM A 48/A 48M, Class 35 gray iron unless otherwise indicated.

2.5 CONCRETE

A. General: Cast-in-place concrete complying with ACI 318, ACI 350 (ACI 350M), and the following:

1. Cement: ASTM C 150/C 150M, Type II.

2. Fine Aggregate: ASTM C 33/C 33M, sand.

3. Coarse Aggregate: ASTM C 33/C 33M, crushed gravel.

4. Water: Potable.

B. Portland Cement Design Mix: 4000 psi (27.6 MPa) minimum, with 0.45 maximum water/cementitious materials ratio.

1. Reinforcing Fabric: ASTM A 1064/A 1064M, steel, welded wire fabric, plain.

2. Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (420-MPa) deformed steel.

C. Manhole Channels and Benches: Factory or field formed from concrete. Portland cement design mix, 4000 psi (27.6 MPa) minimum, with 0.45 maximum water/cementitious materials ratio.

Include channels and benches in manholes.

SANITARY SEWERS 221313 - 4

1. Channels: Concrete invert, formed to same width as connected piping, with height of vertical sides to three-fourths of pipe diameter. Form curved channels with smooth, uniform radius and slope.

a. Invert Slope: 1 percent through manhole.

2. Benches: Concrete, sloped to drain into channel.

PART 3 - EXECUTION

3.1 EARTHWORK

A. Excavating, trenching, and backfilling are specified in Section 312000 "Earth Moving."

3.2 PIPING INSTALLATION

A. General Locations and Arrangements: Drawing plans and details to indicate general location and arrangement of underground sanitary sewer piping. Location and arrangement of piping layout take into account design considerations. Install piping as indicated, to extent practical.

Where specific installation is not indicated, follow piping manufacturer's written instructions.

B. Install piping beginning at low point, true to grades and alignment indicated with unbroken continuity of invert. Place bell ends of piping facing upstream.