Technical_Specifications-rev.pdf

SUPPLEMENTAL SPECIFICATIONS

ROAD AND STREET CONSTRUCTION

P.I.D. No. 004183A (004183E, 004183F, 004183M, 004183N, 004183O)

COUNTYWIDE MAST ARMS – GROUP 3 (REBID)

In Pinellas County, Florida

TO ACCOMPANY PINELLAS COUNTY STANDARD TECHNICAL SPECIFICATIONS FOR

ROADWAY AND RELATED CONSTRUCTION (APRIL 2022 EDITION), AND FLORIDA

DEPARTMENT OF TRANSPORTATION (FDOT) STANDARD SPECIFICATIONS FOR ROAD

AND BRIDGE CONSTRUCTION – DIVISIONS II AND III ONLY (JANUARY 2022)

Pinellas County Supplemental Specifications for Roadway and General Construction, April 2022

Modified Pinellas County Standard Technical Specification Replace

CLEARING & GRUBBING 110, April 2022 with the following:

The work specified under this Section consists of the clearing and preparation of sites for proposed construction, in accordance with the requirements of Section 110 of the FDOT Specifications, as amended herein. The work specified under this Section must include the removal and off-site disposal of all trees indicated on the plans to be removed, the removal and off-site disposal of all brush, stumps, roots, rubbish and debris, and all obstructions resting on or protruding through the surface of the existing ground and the surface of excavated areas, the removal and off-site disposal of all existing facilities, drainage structures, culverts, pipes, and pavement indicated on the plans to be removed, and the removal and off-site disposal of all buildings, structures, appurtenances, and other facilities necessary to prepare the area for the proposed construction.

No stock piling of material on the roadway, within tree protection zones (TPZ), or on the sidewalk is allowed. All extra dirt and/or debris must be removed daily as part of the daily clean-up process. The roadway and the sidewalks must be swept daily. All costs associated with daily clean-up process and sweeping must be included in the Lump Sum bid for Clearing and Grubbing. All buildings, structures, utilities, and other obstructions indicated on the plans to remain, must be carefully protected against displacement or damage. Materials and labor for this protection must be included in the Lump Sum cost of Clearing and Grubbing.

Except as otherwise provided for in these specifications, the work to be performed under this Section must also include the clearing and grubbing necessary for the excavation of detention ponds, borrow pits, and the like, and the clearing and grubbing necessary for the construction of designated haul routes, and including the removal and off-site disposal of all product and debris except that which is to be salvaged or which is required to complete the construction of the project.

Where possible, all trenching or excavation within tree protection zones (TPZ) shall be done by hand or an air spade. After excavation, all tree roots greater than one inch (1”) in diameter must be cleanly pruned or saw cut, not crushed or torn. Where it is not possible to hand trench, mechanical excavation may be approved by the https://pinellas.gov/wp-content/uploads/2022/10/supplemental-specifications-roadway-construction-apr-2022.pdf

Engineer. Trunk/root flare and soil/root protection measures in accordance with Pinellas County Standard Detail Index 1111 must be employed to prevent tree damage from mechanical excavation equipment. The Contractor must not cut tree roots greater than three inches (3”) in diameter within the critical root zone (CRZ) without prior approval of the Engineer, after the inspection of an International Society of Arborists (ISA) Certified Arborist, preferably ISA Tree Risk Assessment Qualified (TRAQ). All root pruning must conform to ANSI A300 (Part 8) Standard Practices (Root Management). After root pruning, cut roots should be covered and kept moist until final grade is established.

Cutting tree roots greater than 3” in diameter in the critical root zone (CRZ) or tree roots greater than six inches (6”) in diameter within the TPZ shall be reviewed by a County Arborist to determine if a tree designated to remain may need to be removed to prevent future liability.

The Contractor must make his own inspection to determine the character, density and extent of trees, vegetation, and other items subject to removal and disposal under these provisions. The attention of the Contractor is directed to the fact that the burning of debris resulting from clearing and grubbing operations will not be permitted within County-owned lands or rights-of-way. Nothing in these provisions must be construed to authorize the removal or disturbance of any tree or other form of vegetation, or any marine, land or air creatures’ natural habitat, which may be subject to the jurisdiction of regulatory agencies.

This Section must also include the cost for trimming of trees and disposal of the trimmings, as shown on the plans and/or required for construction of project. All tree trimming must be performed by or under the supervision of an ISA Certified Arborist and conform to ANSI A300 (Part 1) Standard Practices (Pruning), cost of which is included in the Clearing and Grubbing pay item.

This Section must also include the temporary relocation of mailboxes during construction and permanent relocation after construction has been completed. The work must also include the relocation of the mailbox foundation. The Contractor must coordinate with the Post Office to confirm the mailbox locations. Mailboxes must be restored to equal or better condition that existed prior to the commencement of construction activities, location of which must meet roadway clear zone requirements found in the FDOT Florida Green Book. Work related to mailboxes must be included in the Lump Sum pay item for Clearing and Grubbing A. Ownership of Removals:

i. All removed materials not claimed by the County must become the property of the Contractor and must be disposed of by the Contractor in areas provided by the Contractor. This work must be included in the pay item Clearing and Grubbing.

ii. Transporting and placement of removed material must be paid for under and included in the pay item of Clearing and Grubbing.

B. Items in County Right-of-Way:

The Contractor must notify in writing all property owners to remove any items (landscaping, signs, irrigation systems, lighting, etc.) from the County Right-of-Way that owners wish to salvage a minimum of fourteen (14) calendar days in advance of construction activities. After the notification period, it is the Contractor’s responsibility to remove said items that conflict with construction activities prior to construction. For irrigation systems that the owners wish to salvage, the contractor must place a temporary cap on the pipe that feeds into the irrigation system conflicting with construction activities within County Right of Way. The price and payment for capping and removal of irrigation systems, and removal of other items must be included in the payment item of Clearing and Grubbing.

C. Irrigation/Sprinkler Systems: The Contractor must restore irrigation systems in the public Right-of-Way to pre-construction conditions (or better). The Contractor must verify the proper working order of sprinkler systems affected by Construction, both prior to and after construction. Restoration and verification efforts must be included in the lump sum cost of Clearing and Grubbing, unless otherwise specified in separate pay items.

D. Tree Protection: Trees not within the Clearing and Grubbing area and those specified to remain within County property/right of way, must be protected during construction with Tree Protection Barricades, in accordance with Pinellas County Standard Detail Index 1111. The payment for Tree Protection must be included in the Lump Sum pay item, “Clearing and Grubbing”.

E. Tree and Stump Removal: Unless otherwise indicated by the Engineer in the construction documents, all trees deemed in conflict with the construction activities must be marked by the Contractor for removal, and field validated by the Engineer and a County Arborist in advance of construction. The Contractor must not remove any trees without authorization from the Engineer, after inspection by an ISA Certified Arborist.

F. This work must be included and paid for under the pay item Clearing and Grubbing.

Tree stumps, roots, debris, subterranean items, and other abandoned items:

i. Unless otherwise directed by the Engineer, must be removed from sidewalk, drainage, roadway and driveway areas to a depth of 1) six (6) inches below the bottom of the aforementioned item OR 2) four (4) feet below the proposed surface (the greater of the two) and backfilled with A-1 or A-3 soil material. The excavation and backfilling must be included in the Lump Sum cost of Clearing and Grubbing.

Basis of Payment The work and incidental costs specified as being covered under this Section must be paid for at the contract unit price per Lump Sum (LS), for Clearing and Grubbing. If the Schedule of Values includes a specific pay item from the list provided in FDOT Section 110-12.8 Payment Items, then the work must be paid for at the contract unit price.

If a pay item is not provided in the bid sheets from FDOT Section 110-12.8 Payment Items, then the cost for said item/work must be included in the “Clearing and Grubbing” (Lump Sum) pay item.

SPECIAL PROVISIONS

(Amends the Pinellas County Standard Technical Specifications for Roadway and General Construction and Standard Technical Specifications for Utilities and Related

Construction) Pinellas County Supplemental Specifications for Roadway and General Construction, April 2022

Section 005-0701 of the Pinellas County Roadway Std. Tech. Specs. Survey and Layout

The specification for Survey, Construction Layout shall be amended to include:

• The right of way shall be staked out with a stake or marker every 100 feet on both sides of the road.

• All property corners and section corners shall be protected through the contract period by the contractor, if a property corner is damaged, they will be restored by a Florida registered Professional Land Surveyor at no additional cost to the County.

PAY ITEM NO. 005-0701, Survey and Layout the work specified under this Section must be one Lump Sum (LS) quantity.

https://pinellas.gov/wp-content/uploads/2022/10/supplemental-specifications-roadway-construction-apr-2022.pdf