10-Appendix A1 - Project Specifications.doc

Contract Scope Of Services and Special Provisions

Contractor shall meet the following requirements:

· Construction:

· All work must comply with the standards and specifications in Pennsylvania Department of Transportation Publication Number 408 (Pub 408).

· Drawings:

· The Plans and Details, included as Exhibit B, are hereby incorporated by reference into this Invitation for Bid.

ITEM NO. 4601-0312

15” THERMOPLASTIC PIPE, GROUP I, 15’-1.5’ FILL

In accordance with Section 601 and in accordance with Capital Region Water Standards. CRW Standard Specifications and Construction Details are available in Appendix D and at: https://capitalregionwater.com/wp-content/uploads/2024/10/2024-10-01-CRW-Standard-Contruction-Details-current_Update_.pdf

END OF ITEM

ITEM NO. 4605-2401

MANHOLE FRAME AND COVER (INCLUDES GRADE ADJUSTMENT RING)

In accordance with Section 605 and as follows:

I. DESCRIPTION – This work consists of furnishing and installing manhole frames and covers, including grade adjustment rings, in accordance with the requirements of PennDOT Publication 408, Capital Region Water (CRW) Standard Specifications and Construction Details, and as shown on the Contract Drawings.

CRW Standard Specifications and Construction Details are available in Appendix D and at: https://capitalregionwater.com/wp-content/uploads/2024/10/2024-10-01-CRW-Standard-Contruction-Details-current_Update_.pdf

II. MATERIAL –

(g) Grade Adjustment Ring. Section 606.2(a). Manhole frames and covers shall be those approved by CRW and as indicated on the Contract Drawings.

III. CONSTRUCTION –

Install manhole frames and covers with grade adjustment rings, if necessary, in accordance with Section 605 of PennDOT Publication 408, CRW Standard Specifications and Construction Details, and as shown on the Contract Drawings. The total height of the grade adjustment rings shall be no more than 12 inches.

Set frames to the required finished grade. Install grade adjustment rings such that the bottom of the lowest adjustment ring extends below the bottom of the adjacent concrete curb, where applicable.

IV. MEASUREMENT AND PAYMENT – Each.

Grade Adjustment Rings are considered incidental to this item.

END OF ITEM

ITEM NO. 4605-3111

TYPE 4 MANHOLE, SANITARY SEWER, HEIGHT >5' AND < /= 10' (INCLUDES PIPE CONNECTION) I. DESCRIPTION – This work consists of constructing a new storm sewer manhole and connecting existing storm sewer pipes to the new structure in accordance with PennDOT Publication 408, Capital Region Water (CRW) Standard Specifications and Construction Details, and the Contract Drawings.

CRW Standard Specifications and Construction Details are available at: https://capitalregionwater.com/wp-content/uploads/2024/10/2024-10-01-CRW-Standard-Contruction-Details-current_Update_.pdf

II. MATERIAL –

(g) PVC Pipe. Section 601.

· For Existing 6” PVC Pipe: Match existing material, size, and wall thickness.

· For Existing 15” Vitrified Clay Pipe (VCP): New pipe shall be 15-inch PVC conforming to Section 601, sized and placed to match existing alignment, slope, and invert elevations.

(h) Pipe Fitting/Connection. Flexible, watertight pipe-to-pipe coupler (e.g., Fernco or approved equal) suitable for connecting PVC pipe to vitrified clay pipe, with full-length stainless steel bands and corrosion-resistant fasteners.

(i) Flowable Backfill. Type C Flowable Fill.

III. CONSTRUCTION –

Construct the new manhole in accordance with PennDOT Publication 408 and CRW requirements.

Where the existing pipe approaches the new manhole, terminate the existing pipe at a location beyond the outside wall of the manhole.

Install a section of new PVC pipe between the manhole structure and the existing pipe. Align to maintain the horizontal alignment, slope, and invert elevations.

Connect the pipes using a flexible pipe-to-pipe coupling. Install the coupling in strict accordance with the manufacturer’s recommendations to provide a watertight, shear-resistant joint. Connections shall be located outside the manhole structure, at a sufficient distance to allow proper pipe alignment and coupling installation.

Place Type C flowable backfill around the pipe connection as required to provide full support and prevent settlement/movement.

IV. MEASUREMENT AND PAYMENT – Each.

Includes all labor, equipment, materials, excavation, pipe removal, installation of new piping, pipe couplings, backfill, and all incidental work necessary to complete the manhole and associated pipe connections.

END OF ITEM

ITEM NO. 0901-0001

MAINTENANCE AND PROTECTION OF TRAFFIC DURING CONSTRUCTION

In accordance with Section 901 and as follows:

Maintain bi-directional traffic on North 6th Street using Pub. 213 PATA 101-A or 107 unless approved in writing by the City of Harrisburg a minimum of two (2) weeks in advance of restriction. Provide the approval to the Inspector-In-Charge (IIC) two (2) weeks prior to restriction. Parking Lane closures on N. 6th are permitted. Coordinate with the City of Harrisburg all temporary parking restrictions one week prior to posting. Notify residents and businesses three (3) days in advance by posting “NO PARKING” signs in the immediate area prior to the actual parking restrictions. Contractor may need to pay for parking temporarily impacted during construction based upon the contractor’s means and methods, the resulting number of spaces impacted and the duration of the impact. Payment for parking is incidental to Item 0901-0001 Maintenance and Protection of Traffic During Construction. No closures are permitted on North 6th Street on the following days:

Independence Day:

- July 2, 2027 at 6 am until July 5, 2027 at 9 pm

Labor Day:

- September 3, 2027 at 6 am until September 7, 2027 at 9 pm

Winter Shutdown:

- Nov. 6, 2026 to March 25, 2027

The Contractor is to coordinate the scheduling of construction activities with the City of Harrisburg during special local events.

Maintain directional traffic on Fulton Street and North 5th Street using Pub. 213 PATA: 101-A, 102, or 109-A unless approved in writing by the City of Harrisburg a minimum of two (2) weeks in advance of restriction. Provide the approval to the IIC two (2) weeks prior to restriction.

Contractor to coordinate with property owner 1500 N. 6th Street and City of Harrisburg Public Works Department (refuse service provider) to either maintain access to or temporarily relocate refuse container located under 1500 N. 6th Street.

Property owner contact info: H. Ralph Vartan, Vartan Group, Inc. 717-657-0100 Refuse Service Provider contact info: David West, 717-412-4320 For temporary closure of N. 5th Street to install raised crosswalk, submit a traffic control plan to the IIC two (2) weeks in advance that provides continuous access to businesses and residences located along N. 5th Street, including the parking garage located under 1500 N. 6th Street.

Coordinate restrictions with the City of Harrisburg via phone (717-590-1428) and email (streetcuts@harrisburgpa.gov).

Two (2) weeks prior to implementing traffic control pattern changes, contact the following:

Police: 311

Fire: 311

Post Office: 717-234-0952

Dauphin County Emergency Control: 717-558-6800

Harrisburg SD Transportation Coordinator: 717-703-4055

Notify the IIC a minimum of two (2) weeks (excluding holidays) prior to any significant traffic control, traffic pattern changes and/or for Route/Bridge Restrictions. The IIC is to notify the City of Harrisburg Coordinator at (717) 787-1428 prior to any significant traffic control and/or traffic pattern change.

Notify the IIC three (3) days in advance of any proposed roadway restriction/closure. Also, notify the IIC thirty (30) minutes prior to placement of traffic control devices. The IIC, in turn, will notify the City of Harrisburg two (2) days in advance of any roadway restriction/closure and fifteen (15) minutes prior to the start of work. The ICC will notify the City of Harrisburg when the roadway is restored to normal operation.

Provide ingress and egress for businesses and dwellings within the project limits, unless prearranged with the property owner a minimum of two (2) business days in advance and the IIC is informed of the arrangement. Also, maintain access to all side roads, emergency service driveways, alleys and fire hydrants. As required, provide temporary locations and continuous access for U.S. mail delivery to effected residents and businesses along the corridor. Permanent relocation of mailboxes shall be the responsibility of the property owner.

Conduct periodic reviews of the traffic control signing and replace or correct any missing, damaged ineffective or misaligned signs or devices to the satisfaction of the Engineer.

Maintain traffic during hours of construction and at all other times in accordance with the methods indicated on this document and the following:

· Special Provisions of the contract.

· FHWA – Manual on Uniform Traffic Control Devices (MUTCD).

· PennDOT Publications:

35 – Approved Construction Materials (Bulletin 15)

111 – Traffic Control Pavement Markings & Signing Standards.

212 § E – Official Traffic Control Devices.

213 – Temporary Traffic Control Guidelines.

236 – Handbook of Approved Signs.

408 – Specifications, 2020 (Let Date Version).

IV. MEASUREMENT AND PAYMENT – Lump Sum. In accordance with Section 901.4 and as follows:

Includes all labor, equipment, and materials mentioned necessary for the proper completion of the work specified for this item.

Any materials or work not specifically mentioned but required for this item are considered incidental.

END OF ITEM

ITEM NO. 4962-1005

4 INCH YELLOW WATERBORNE PAVEMENT MARKINGS (MODIFIED)

In accordance with Section 962, modified as follows:

I. DESCRIPTION – This work consists of furnishing all labor, materials, equipment, and incidentals necessary to paint curbs at the Boyd Street and N 6th Street intersection to visibly denote no-parking areas in accordance with 75 Pa.C.S. Section 3353, Parking Prohibitions in Specified Places. The work includes extending the painted curb a minimum of 20 feet beyond the limits of marked and unmarked crosswalks or a minimum of 15 feet of fire hydrants (whichever is greater) or as directed by the City’s representative. The curb painting is intended solely to supplement and reinforce the statutory parking restrictions.

II. SURFACE PREPARATION –

· The curb surface to be painted shall be clean, dry, and free of dirt, oil, loose material, vegetation, or other contaminants.

· Cleaning methods may include brushing, air blasting, or washing, provided the surface is allowed to dry prior to paint application.

III. APPLICATION –

· Paint shall be applied by brush, roller, or spray equipment in a neat and uniform manner.

· Apply paint as necessary to produce a solid, opaque, and uniform color without runs, drips, or thin spots.

· Painted surfaces shall be protected from traffic and pedestrian contact until sufficiently dry.

IV. MEASUREMENT AND PAYMENT – LINEAR FOOT

Paint both faces of curb. Each linear foot of curb painted shall receive a total of four coats of paint, consisting of two coats on each face.

END OF ITEM

ITEM NO. 9000-0001

REPLACE EXISTING FIRE HYDRANT

I. DESCRIPTION – This work consists of the removal of an existing fire hydrant and the complete furnishing and installation of a new fire hydrant, including all excavation, hydrant lateral exposure, insertion valve installation, ductile iron pipe and fittings, restraints, testing, and disinfection, in accordance with Capital Region Water (CRW) Standard Specifications and Construction Details, and as indicated on the Contract Drawings.

CRW Standard Specifications and Construction Details are available in Appendix D and at: https://capitalregionwater.com/wp-content/uploads/2024/10/2024-10-01-CRW-Standard-Contruction-Details-current_Update_.pdf

II. MATERIAL –

All materials shall conform to Capital Region Water standard specifications and approved products, unless otherwise approved in writing by CRW.

(a) Fire Hydrant. Complete with all nozzles, caps, operating nut, and factory-applied coating.

(b) Hydrant Branch and Lateral Piping. Ductile iron pipe conforming to AWWA C151

(c) Fittings. Mechanical joint or flanged ductile iron fittings conforming to AWWA C110 or C153.

(d) Insertion Valve/Auxiliary Gate Valve. Resilient wedge gate valve conforming to AWWA C509 or AWWA C515.

(e) Valve Box. Adjustable cast iron valve box suitable for roadway installation.

(f) Joint Restraint System. Mechanical joint restraint system or thrust blocking.

(g) Hydrant Drain Stone. AASHTO No. 8 Aggregate. Section 703.2

(h) Paint. Factory-applied coating unless otherwise specified by CRW. Yellow in color.

III. CONSTRUCTION –

(a) Coordination.

1. The Contractor shall be fully responsible for all fire hydrant work, including street cuts, excavation, hydrant lateral exposure, pipe preparation, insertion valve work, installation of ductile iron pipe and fittings, hydrant installation, testing, disinfection, and final restoration.

2. Shop drawings and product submittals shall be submitted in accordance with Section 105.02(d) and shall receive approval from CRW and the Department prior to installation.

3. The Contractor shall not begin any work on water pipes without providing a minimum of three (3) calendar days prior notification to CRW.

4. The Contractor shall coordinate all necessary service interruptions directly with Capital Region Water. The Contractor shall also notify the local fire department as directed by CRW.

5. At no time shall the Contractor operate, adjust, or turn any valves connected to the water distribution system. All valve operations shall be performed exclusively by CRW personnel.

(b) Removal.

1. Excavate as required to fully expose the existing hydrant and hydrant lateral.

2. Disconnect and remove the existing hydrant and associated appurtenances.

3. If directed by CRW, the removed hydrant shall be salvaged and delivered to a CRW-designated facility. Otherwise, the hydrant shall be legally disposed of by the Contractor.

(c) Installation.

1. Install the new fire hydrant, hydrant branch piping, fittings, restraints, and insertion valve in strict accordance with CRW Standard Specifications and Construction Details.

2. The hydrant shall be set plumb and at the proper elevation, with the pumper nozzle oriented toward the roadway unless otherwise approved by CRW.

3. All excavated areas shall be backfilled and compacted in accordance with CRW requirements. Unsuitable materials shall be removed and disposed of by the Contractor.

(d) Testing and Disinfection.

1. The Contractor shall perform all required pressure testing, leakage testing, flushing, and disinfection in accordance with CRW testing and disinfection requirements and under CRW observation.

1. The fire hydrant shall not be placed into service until all testing and disinfection results have been accepted by CRW.

IV. MEASUREMENT AND PAYMENT – Each.

The price shall include all labor, materials, coordination, notification, testing, disinfection, excavation, restoration, and incidentals necessary to complete the work in full compliance with PennDOT and Capital Region Water requirements.

END OF ITEM

ITEM NO. 9000-0002

TRENCH DRAIN

I. DESCRIPTION – This work is the furnishing and installation of trench drain system connecting to a proposed manhole.

This work consists of furnishing and installing a trench drain system, including a drain/catch basin (if indicated), outlet piping, and appurtenances, connecting to a proposed manhole, as shown on the Contract Drawings.

II. MATERIAL –

(a) Trench Drain. Capable of conveying a minimum design flow of 2.0 cubic feet per second (cfs).

Trench drain shall be one of the following or an approved equal:

· ACO, Inc | 12” Wide KlassikDrain K300/KS300 Series

· Jay R Smith | 12” Wide Zip Trench 9960 Series

· SwiftDrain | 12” Wide 300 Series

(b) Trench Drain Grate. ADA Compliant.

(c) 10” Outlet Pipe. Section 610.2(a)4. Compatible with trench drain system.

(d) Cleanout. Provide a drain/catch basin equal or similar to ADS Nyloplast® 12-inch or 15-inch Drain Basin, meeting the following minimum requirements:

· Minimum 6-inch sump depth.

· Capable of accepting trench drain outlet pipe connection.

· Surface grate (solid or ADA compliant) and access.

The cleanout shall be installed to receive flow from the trench drain system and convey runoff to the outlet pipe leading to the manhole.

(e) Class AA Cement Concrete. Section 704 and in accordance with trench drain manufacturer recommendations.

III. CONSTRUCTION – Prior to furnishing submit shop drawings and/or manufacturer cut sheets in accordance with Section 105.02(d) for review approval by the Department.

Install the trench drain, cleanout, and associated components in accordance with the manufacturer’s recommendations, the Contract Drawings, and applicable PennDOT specifications.

Install the trench drain to line and grade, cap both ends of the trench drain. Connect the outlet pipe to the proposed manhole or cleanout, as indicated on the Contract Drawings. Ensure proper cover over pipe and manhole clearances in accordance with PennDOT Standard Drawings.

Install outlet and connecting pipes in accordance with Section 615.3.

Protect the trench drain system, cleanout, and grates from damage during construction operations, including excavation, paving, compaction, and movement of construction equipment. Any damaged components shall be repaired or replaced at no additional cost to the City.

IV. MEASUREMENT AND PAYMENT – Linear Feet.

Measurement does not include the outlet pipe length. All excavation, backfill, trench drain and cleanout components, outlet pipe, and all other materials/components/labor/equipment necessary are considered incidental to this item.

END OF ITEM

ITEM NO. 9000-0003

MILL & OVERLAY (AS-DIRECTED)

I. DESCRIPTION – This work is the milling of the existing pavement surface and the placement of asphalt at locations directed by the City.

II. MATERIAL –

(a) Asphalt Mixture. Item 0413-0195

(b) Tack Coat. Item 0460-0001

III. CONSTRUCTION – Prior to performing the work, the City will mark locations in the field.

Perform milling operations in accordance with Section 491.3 to a depth of 1.5 inches. The removed material will be retained by the contractor.

Apply tack coat in accordance with Section 460.3.

Perform paving operations in accordance with Section 413.3.

IV. MEASUREMENT AND PAYMENT – Square Yard.

Includes all milling, disposal of material, cleaning of the surface, tack coat application, and the placement and compaction of the asphalt mixture.

END OF ITEM

ITEM NO. 9000-0004

SPEED SLOT

I. DESCRIPTION – This work consists of constructing asphalt Speed Slots in existing pavement at the locations shown on the plans, in accordance with these Special Provisions, the applicable provisions of PennDOT Publication 408, the latest edition of the MUTCD, and the approved Speed Slot Detail.

II. MATERIAL –

(a) Asphalt. Provide Superpave asphalt mixture design meeting the requirements of Publication 408, Surface Course, unless otherwise directed by the City Engineer.

(b) Tack Coat. Provide asphalt emulsion meeting the requirements of Publication 408, Section 460.

(c) Pavement Markings. Provide white pavement marking material meeting the requirements of Publication 408, Section 962.

(d) Signs. Provide signs and sign supports meeting the requirements of Publication 408, Sections 901 and 902, and the MUTCD.

III. CONSTRUCTION –

(a) General. Construct Speed Slots in existing asphalt pavement at the locations and dimensions shown on the plans and standard details. Ensure all work conforms to the approved Speed Slot Detail.

(b) Layout. Center the Speed Slot within the travel lane as shown on the plans. Maintain a maximum spacing from the face of curb, ensure slot spacing, overall width, and configuration conform to the standard detail. Do not place raised asphalt pavement surfaces in marked or unmarked crosswalks, over manholes, water or sewer valves or other irregularities in the roadway. Notify the City representative if the raised Speed Slot cannot be placed. Obtain concurrence on the location from the City representative prior to installation.

(c) Saw Cutting and Milling. Saw cut the pavement to neat lines at the limits shown on the plans. Perform milling to achieve a 2-inch taper at the leading and trailing edges at a slope of 1 Vertical to 4 Horizontal (1V:4H). Mill to the depth necessary to achieve a finished Speed Slot height of approximately 3 inches ± ½ inch.

(d) Surface Preparation. Clean all saw-cut and milled surfaces of dust, debris, and loose material. Apply tack coat to all exposed vertical and horizontal surfaces prior to asphalt placement, in accordance with Section 460.

(e) Asphalt Placement. Place Superpave asphalt in lifts sufficient to achieve the required profile and compaction.

Compact asphalt in accordance with the applicable requirements of Publication 408.

Ensure the finished Speed Slot has a flat top section as shown on the detail, smooth transitions at tapers, and no cracking, segregation, or surface irregularities

(f) Pavement Markings. Install 12-inch-wide white pavement markings in advance of and across each Speed Slot as shown on the plans. Install markings in accordance with Section 962 after the asphalt surface has cooled and cured.

(g) Signing. Install W17-1 (Speed Hump) warning signs in advance of each Speed Slot location.

Install signs in accordance with the latest edition of the MUTCD and Publication 408.

IV. MEASUREMENT AND PAYMENT – EACH.

Includes saw cutting, removal of the existing asphalt surface, milling, surface preparation, tack coat application, asphalt placement, compaction, pavement markings, signing, traffic control, and all labor, materials, equipment, and incidentals necessary to install one speed slot as specified.

Each speed slot will be measured and paid for separately. Where speed slots are required in both directions of travel, each speed slot constitutes a separate unit for payment.

Also incidental to this item is the removal of all existing speed slots and associated signs within the project limits. Removed signs shall be salvaged and delivered to the City of Harrisburg at 1002 N. 7th Street, Harrisburg. No separate payment will be made for this work.

END OF ITEM

ITEM NO. 9000-0005

LIGHTING – SUPPLY MATERIALS & EQUIPMENT

I. DESCRIPTION – This work consists of furnishing and supplying all materials and equipment necessary for the removal of existing lighting materials and fixtures and for the installation of new lighting materials and fixtures as shown on the plans or as directed by the Engineer. The work includes supplying materials compatible with existing lighting poles, brackets, and appurtenances designated for reuse. Existing lighting materials and fixtures not designated for reuse shall become the property of the Contractor upon removal. Installation of all lighting materials and equipment will be performed by the City.

II. MATERIAL – Materials shall be as indicated and specified on the Trail Lighting Plans, the Contract Documents, and as approved by the Engineer. The materials include, but are not limited to, the following:

(a) 3 - 6-Foot Bracket Arm.

(b) 300 feet - AWG 8 Above Ground Cable, Copper, 1 Conductor. Wire size and type to be confirmed by PPL prior to purchase.

(c) 190 feet - AWG 10 Above Ground Cable, Copper, 1 Conductor.

(d) 4 - 125W LED Luminaire, Arm Mount.

· White LED color temperature of 3200 degrees Kelvin

· Type I distribution

· Minimum initial lumen output: 18,995 lumens

· Cobra head type fixture manufactured by Eaton Streetworks, VERD Verdeon, Model No. VERD-G-CA2-120-740-U-T1, or equivalent

· 7-pin twist-lock photocell receptacle

· Finish: Color sample to be provided to city during shop drawing review

(e) 4 - In-line Fuse Kit for Phase Lead.

(f) 4 - Photocell Sensor.

(g) 4 - Ground Rod – ¾” Diameter, 10” Long.

III. CONTRACTOR RESPONSIBILITIES –

The Contractor shall be responsible for acquiring, furnishing, and supplying all materials and equipment required for the lighting work shown on the plans or as directed by the Engineer. The Contractor shall ensure that all supplied materials and equipment are compatible with existing lighting poles, brackets, and appurtenances designated for reuse and are in accordance with Section 1100 of Publication 408.

All construction, installation, mounting, wiring, and testing of lighting materials and equipment will be performed by the City. The Contractor shall not perform construction or installation activities under this Special Provision. Existing lighting materials and equipment not designated for reuse shall become the property of the Contractor upon removal. The Contractor shall assume ownership of such materials and equipment and shall have no claim against the City for their condition, quantity, or value.

IV. MEASUREMENT AND PAYMENT – Lump Sum.

The supplied materials and equipment will be measured on a lump sum basis. No separate measurement will be made for individual materials, components, or quantities furnished. The lump sum quantity shall include furnishing all materials and equipment required for the lighting work shown on the plans or as directed by the Engineer.

The lump sum price bid shall constitute full compensation for furnishing all labor, materials, equipment, tools, transportation, storage, and incidentals necessary to complete the work, including but not limited to:

· Furnishing all new lighting materials, fixtures, components, hardware, and equipment required for the project

· Procuring, transporting, storing, and handling all required materials and equipment

· Supplying compatible components required for installation on existing lighting poles and brackets designated for reuse

· Acceptance of ownership of existing lighting materials and fixtures not designated for reuse

· Coordination necessary to ensure materials are suitable for installation by the City

· Compliance with the plans, specifications, and directions of the Engineer No separate payment will be made for reuse of existing lighting poles, brackets, or components. All costs associated with furnishing materials compatible with existing installations and integrating new equipment with reused components shall be included in the lump sum price.

END OF ITEM

ITEM NO. 9000-0006 TREE - APPLE SERVICE BERRY (3 INCH CALIPER)

ITEM NO. 9000-0007 TREE - EASTERN REDBUD (3 INCH CALIPER)

I. DESCRIPTION – This work is the furnishing, planting, and transplanting of trees as indicated on the drawings plans and includes preparation of planting beds for all plant material.

II. MATERIAL – As defined in the current edition of “American Standard for Nursery Stock” (ASNS), ANSI, Z60.1 of the American Nursery and Landscape Association (ANLA) and in accordance with Section 808.2 Materials, modified as follows:

808.2(a) Plant Stock – Add the following:

The specific trees to be planted include the following:

· 3 – Apple Serviceberry

· 3 – Caliper Eastern Redbud

808.2(c) Fertilizer – Delete 808.2(e) Backfill Mix for Planting or Transplanting. – Revise to read as follows:

Soil mixture for planting - incidental to item 9000-0008 60 INCH DIAMETER PLANTER

808.2(f) Soil Amendments – Revise to read as follows:

Soil Amendments for planting - incidental to item 9000-0008 60 INCH DIAMETER PLANTER

III. CONSTRUCTION – As shown on Contract Drawings and in accordance with Section 808.3, modified as follows:

808.3(g) Planting. – Revise to read as follows:

Plant when soil and climatic conditions are favorable, according to the following schedule:

Deciduous Trees and Shrubs: Early spring and late fall when plants are dormant (March 1 to May 15 and October 15 to November 30, typ.).

Schedule tree selection and digging operations so as to comply with nursery industry recognition of “Spring Dig Only” or “Fall Hazard” plant materials. No substitutions of plant materials will be allowed for fall planting based on unavailability due to the “Spring Dig Only” or “Fall Hazard” restrictions. The Contractor shall have selected and had the material dug during the previous spring.

808.3(g)(2) Fertilizing and Backfilling. – Add the following revisions:

Do not apply fertilizer to newly planted trees.

IV. MEASUREMENT AND PAYMENT – – Add the following revisions:

The three-inch caliper trees will be measured on an EACH basis.

(d) Watering. Subsequent watering indicated or directed; to keep the plants alive for the duration of construction and for 30-days following the notice of substantial completion, are incidental to the contract unit price for each tree.

END OF ITEM

ITEM NO. 9000-0008

60 INCH DIAMETER PLANTER

I. DESCRIPTION – This work is the furnishing and installation of 60-inch diameter planters with potting soil.

II. MATERIAL –

· Each planter is to be made of concrete or fiberglass and match the dimensions shown on the Landscaping Plans. All planters must be identical in finish, color, material, and shape.

· Provide a commercial potting soil mixture suitable for container planting of ornamental trees. The potting soil must be free of stones, debris, weeds, and harmful substances and consist of well-drained blended containing the following components:

1. Organic Compost: 30-40 percent by volume, as specified in Section 808.2(f)4.

2. Screened Topsoil: 20-30 percent by volume, as specified in Section 802.

3. Shredded Bark: 20-30 percent by volume, as specified in Section 805.2(a)2.b

4. Sand or Perlite: 10-20 percent by volume to improve drainage and aeration.

5. Water Absorbent Polymer: 2 to 4 pounds per cubic yard of soil, as specified in 808.2(f)5.

6. Potting soil must have the flowing properties:

· pH 5.5-7.0

· Texture: Friable and capable of retaining moisture while providing adequate drainage

· Free of invasive plant seeds and plant pathogens.

III. CONSTRUCTION – Furnish and install planters at the locations shown on the Landscape Plans and as follows:

Dimensions: 60-inch diameter, 47-inch height placed as indicated.

Contact the Office of the City Engineer for approval of planter details and provide a planter color sample prior to construction/procurement.

IV. MEASUREMENT AND PAYMENT – Each.

END OF ITEM

Appendices