Okaloosa County BOCC — February 18, 2014 — Underground Electric Manhole — reading text

DATE: 8/15/2013 00100-14 SECTION 00810 Russell Stephenson - Electrical Manhole Rehabilitation SPECIAL CONDITIONS (THIS PAGE INTENTIONALLY LEFT BLANK) SPECIAL CONDITIONS OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 00810-4 SECTION 01010 Russell Stephenson - Electrical Manhole Rehabilitation SUMMARY OF WORK SECTION 01010 -SUMMARY OF WORK PART 1 - GENERAL 1.1. SECTION INCLUDES Faw > General Description of Project CONTRACTOR - Responsibility OWNER - Responsibility Contractor’s Use of Site 1.2 GENERAL DESCRIPTION OF PROJECT A. The project shall include the rehabilitation of the electrical manholes to mitigate the propagation of ground water infiltration in to the existing electrical manholes, installation and repair of underground electrical conduit, dewatering, and installation of a high water level monitoring system. In addition, the Contractor shall be responsible for all other appurtenances and related work required to complete the Work. B. Contracting Method: Most Responsive Lowest Bid 1.3. CONTRACTOR RESPONSIBILITY A. The following items are intended to identify the general scope of work to be included in the Contractor’s bid proposal. 1. ELECTRICAL MANHOLE REHABILITATION — The Contractor shall be responsible for performing the following tasks to mitigate the current ground water infiltration in to the existing electrical manholes: a. The electrical manholes shall be required to be partially unearthed such that visual evaluation of the electrical manhole can be performed. During the visual inspection the contractor shall identify any areas on the electrical manhole that shall require concrete repair or grout filling. The electrical manhole exterior shall be cleaned and prepared per the instructions of the exterior coating manufacturer. This shall include but is not limited to pressure washing the exterior to remove any materials that may impede the adhesion of the exterior coating. Following the cleaning process any areas that were identified during the visual inspection shall be repaired. Any concrete voids shall be gout filled. In addition, the three main electrical manholes shall have the new conduits installed per the project documents. These conduits shall be installed by core drilling and link sealing the penetration. After cleaning the exterior of the electrical manholes shall be coated with a polyurethane coating to prevent future ground water infiltration. SUMMARY OF WORK OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01010-1 SECTION 01010 Russell Stephenson - Electrical Manhole Rehabilitation SUMMARY OF WORK f. The final task in the electrical rehabilitation shall be to replace the existing electrical conductors as detailed in the project plans. The existing electrical conductors shall be re-fed from the electrical source to the existing electrical load. The splicing of the existing electrical conductors shall not be allowed. 2. DEWATERING - Furnish the following components and appurtenances. a. If elected by OWNER, provide all necessary pumps, piping, supports, filters and fuel to operate a continuous dewater system of the electrical manhole rehabilitation area excavation and underground electrical conduit zones. The dewatering system must be designed to remove groundwater at minimum elevation foundation and invert depths as noted on drawings. b. Contractor shall be responsible for means and methods to maintain a dry environment for the installation of rock foundation and concrete installation and curing time. Dewatering system must be designed by a licensed engineer in the state of Florida, with prior experience with similar installations and site conditions. c. Provide one (1) stand-by back-up dewatering pump, for largest pump in operation. Include wireless or dedicated analog communication service (telemetry) to monitor pump(s) operation during all operations periods. Coordinate with OWNER on notification set-up and hierarchy of respondents. CONTRACTOR shall be responsible for providing trained staff to operate and maintain system at all times while equipment is on site and is place into operation. 1.4 OWNER RESPONSIBILITY A. OWNER or OWNER”S REPRESENTATIVE shall perform inspections throughout the construction. The Contractor shall be responsible for having the OWNER or OWNER’S REPRESENTATIVE inspect the exterior of the electrical manhole following the cleaning, after the point repairs, and after the exterior coating are applied. 1.5 MATERIAL CONTRACTOR'S USE OF SITE A. CONTRACTOR'S use of the Site shall be confined to the areas as dictated during the pre-bid meeting. B. CONTRACTOR shall: 1. Contractor shall coordinate with the OWNER and assume full responsibility upon delivery to the project site to off load the equipment. 2. Obtain and pay for all additional storage or work areas required for its equipment and material, prior to schedule delivery to Project site. END OF SECTION 01010 SUMMARY OF WORK OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01010-2 SECTION 01250 SECTION 01250 - CONTRACT MODIFICATION PROCEDURES PART 1 - GENERAL 1] A. 1.2 SUMMARY This Section specifies administrative and procedural requirements for handling and processing Contract modifications. See Division 1 Section "Allowances" for procedural requirements for handling and processing allowances. See Division 1 Section "Unit Prices" for administrative requirements for using unit prices. MINOR CHANGES IN THE WORK ENGINEER will issue supplemental instructions authorizing Minor Changes in the Work, not involving adjustment to the Contract Sum or the Contract Time, on form provided by ENGINEER. PROPOSAL REQUESTS OWNER-Initiated Proposal Requests: ENGINEER will issue a detailed description of proposed changes in the Work that may require adjustment to the Contract Sum or the Contract Time. If necessary, the description will include supplemental or revised Drawings and Specifications. 1. Proposal Requests issued by ENGINEER are for information only. Do not consider them instructions either to stop work in progress or to execute the proposed change. 2. Within time specified in Proposal Request after receipt of Proposal Request, submit a quotation estimating cost adjustments to the Contract Sum and the Contract Time necessary to execute the change. a. Include a list of quantities of products required or eliminated and unit costs, with total amount of purchases and credits to be made. If requested, furnish survey data to substantiate quantities. b. Indicate applicable taxes, delivery charges, equipment rental, and amounts of trade discounts. c. Include costs of labor and supervision directly attributable to the change. CONTRACT MODIFICATION PROCEDURES OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01250-1 Russell Stephenson - Electrical Manhole Rehabilitation CONTRACT MODIFICATION PROCEDURES SECTION 01250 Russell Stephenson - Electrical Manhole Rehabilitation CONTRACT MODIFICATION PROCEDURES @ d. ‘Include an updated CONTRACTOR's Construction Schedule that indicates the effect of the change, including, but not limited to, changes in activity duration, start and finish times, and activity relationship. Use available total float before requesting an extension of the Contract Time. B. CONTRACTOR-Initiated Proposals: If latent or unforeseen conditions require modifications to the Contract, CONTRACTOR may propose changes by submitting a request for a change to ENGINEER. 1. Include a statement outlining reasons for the change and the effect of the change on the Work. Provide a complete description of the proposed change. Indicate the effect of the proposed change on the Contract Sum and the Contract Time. 2. Include a list of quantities of products required or eliminated and unit costs, with total amount of purchases and credits to be made. If requested, furnish survey data to substantiate quantities. 3. Indicate applicable taxes, delivery charges, equipment rental, and amounts of trade discounts. 4. Include costs of labor and supervision directly attributable to the change. 5. Include an updated CONTRACTOR's Construction Schedule that indicates the effect of the change, including, but not limited to, changes in activity duration, start and finish times, and activity relationship. Use available total float before requesting an extension of the Contract Time. @ 6. Comply with requirements in Division 1 Section "Product Requirements" if the proposed change requires substitution of one product or system for product or system specified. C. Proposal Request Form: Use forms provided by ENGINEER 1.4 ALLOWANCES A. Allowance Adjustment: To adjust allowance amounts, base each Change Order proposal on the difference between purchase amount and the allowance, multiplied by final measurement of work-in-place. If applicable, include reasonable allowances for cutting losses, tolerances, mixing wastes, normal product imperfections, and similar margins. 1. Include installation costs in purchase amount only where indicated as part of the allowance. 2. Ifrequested, prepare explanation and documentation to substantiate distribution of overhead costs and other margins claimed. Submit substantiation of a change in scope of work, if any, claimed in Change Orders related to unit-cost allowances. 4. OWNER reserves the right to establish the quantity of work-in-place by independent quantity survey, measure, or count. wo CONTRACT MODIFICATION PROCEDURES OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01250-2 SECTION 01250 B. 1.5 1.6 Submit claims for increased costs because of a change in scope or nature of the allowance described in the Contract Documents, whether for the Purchase Order amount or CONTRACTOR's handling, labor, installation, overhead, and profit. Submit claims within 14 days of receipt of the Change Order or Construction Change Directive authorizing work to proceed. OWNER will reject claims submitted later than 14 days after such authorization. 1. Do not include CONTRACTOR's or subcontractor's indirect expense in the Change Order cost amount unless it is clearly shown that the nature or extent of work has changed from what could have been foreseen from information in the Contract Documents. 2. No change to CONTRACTOR's indirect expense is permitted for selection of higher- or lower-priced materials or systems of the same scope and nature as originally indicated. CHANGE ORDER PROCEDURES On OWNER's approval of a Proposal Request, ENGINEER will issue a Change Order for signatures of OWNER and CONTRACTOR on forms provided by ENGINEER. CONSTRUCTION CHANGE DIRECTIVE Work Change Directive: ENGINEER may issue a Construction Change Directive on forms provided by ENGINEER. Work Change Directive instructs CONTRACTOR to proceed with a change in the Work, for subsequent inclusion in a Change Order. 1. | Work Change Directive contains a complete description of change in the Work. It also designates method to be followed to determine change in the Contract Sum or the Contract Time. Documentation: Maintain detailed records on a time and material basis of work required by the Work Change Directive. 1. After completion of change, submit an itemized account and supporting data necessary to substantiate cost and time adjustments to the Contract. PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION (Not Used) END OF SECTION 01250 CONTRACT MODIFICATION PROCEDURES OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01250-3 Russell Stephenson - Electrical Manhole Rehabilitation CONTRACT MODIFICATION PROCEDURES SECTION 01250 Russell Stephenson - Electrical Manhole Rehabilitation CONTRACT MODIFICATION PROCEDURES (THIS PAGE INTENTIONALLY LEFT BLANK) CONTRACT MODIFICATION PROCEDURES OKALOOSA COUNTY WATER AND SEWER DATE: 8/15/2013 01250-4 SECTION 01270 MEASUREMENT AND PAYMENT SECTION 01270 - MEASUREMENT AND PAYMENT PART 1 - GENERAL 1.1 A. 1.2 DESCRIPTION The items listed below beginning with Article 1.5, refer to and are