Technical Specs _ Gees Mill WTP Ozone Generat.pdf

CONTRACT DOCUMENTS

FOR

Rockdale County, Georgia

Gees Mill Water Treatment Plant

Ozone Generator Replacement

March 2025

Prepared by:

Engineering Strategies, Inc.

3855 Shallowford Road, Suite 525

Marietta, Georgia 30062

(770) 429-0001

Rockdale County Water Resources Index Gees Mill WTP Ozone Generator Replacement

TECHNICAL SPECIFICATIONS

Section

Number Title

01 11 00 SUMMARY OF WORK

01 21 00 ALLOWANCES

01 22 00 MEASUREMENT AND PAYMENT

01 25 0 SUBSTITUTION PROCEDURES

01 26 00 CONTRACT MODIFICATION PROCEDURES

01 31 19 PROJECT MEETINGS

01 32 16 CONSTRUCTION PROGRESS SCHEDULES

01 32 26 CONSTRUCTION PROGRESS REPORTING

01 32 33 PHOTOGRAPHIC DOCUMENTATION

01 33 23 SHOP DRAWINGS, PRODUCT DATA, SAMPLES

01 35 13 SPECIALPROJECT PROCEDURES

01 42 13 ABBREVIATIONS AND ACRONYMNS

01 42 19 REFERENCE STANDARDS

01 51 00 TEMPORARY UTILITIES

01 65 00 PRODUCT DELIVERY REQUIREMENTS

01 66 00 PRODUCT STORAGE AND HANDLING REQUIREMENTS

01 71 13 MOBILIZATION

01 75 16 STARTUP PROCEDURES

01 77 00 CLOSEOUT PROCEDURES

01 78 23 OPERATING AND MAINTENANCE DATA

01 78 36 WARRANTIES AND BONDS

01 78 39 PROJECT RECORD DRAWINGS

01 78 43 SPARE PARTS

01 79 00 DEMONSTRATION AND TRAINING

03 01 00 MAINTENANCE OF CONCRETE

03 60 00 GROUTING

05 57 00 MISCELLANEOUS METALS

09 90 00 PAINTING

33 01 10.58 DISINFECTION OF WATER UTILITY PIPING SYSTEMS

33 05 05.31 HYDROSTATIC TESTING

40 05 31.13 POLYVINYL CHLORIDE (PVC) PIPE AND FITTINGS

40 05 51 VALVES

40 41 13 PROCESS PIPING HEAT TRACING

40 42 13 PROCESS PIPING INSULATION

46 00 03 GENERAL EQUIPMENT STIPULATIONS

46 31 53 OZONE GENERATING AND FEED EQUIPMENT

APPENDICES

APPENDIX A � PURE FLOW, PRIMOZONE EQUIPMENT QUOTATION

Rockdale Water Resources Summary of Work Gees Mill WTP Ozone Generator Replacement 00 11 00-1

SECTION 00 11 00

SUMMARY OF WORK

1 GENERAL

1.1 WORK COVERED BY CONTRACT DOCUMENTS

A. The work to be performed under this Contract consists of furnishing all labor, materials, tools, equipment, and incidentals and performing all work required to construct complete in place and ready to operate the replacement of the ozone generator at the Gees Mill Water Treatment Plant.

B. In general, the Gees Mill WTP Ozone Generator Replacement project will consist of the following major work:

1. Removal of the existing ozone generator.

2. Modifications to the existing chilled water piping, oxygen supply piping, and ozone feed piping.

3. Installation of the new ozone generator and accessories.

4. Modifications to the electrical and control system.

5. Replacement of media in existing ozone destruct units.

6. Modifications to ozone piping at the ozone contact basins.

1.2 PROJECT LOCATION

A. The project site is located at 3090 Gees Mill Road, Conyers, GA 30013.

1.3 COORDINATION

A. The Gees Mill WTP is a functioning water treatment plant and must be kept in operation at all times. Shut down of any equipment, treatment process, power supply, etc. must be coordinated with the Owner. Contractor shall not turn on or off any equipment or turn on or off power to any equipment unless specifically authorized by the Owner. Owner�s personnel must be present when any equipment is turned on or off.

B. Prior to removal of the existing ozone generator, Contractor shall coordinate with plant operations personnel to ensure isolation of the generator from the system and there will be no impact to the operation of the remaining in-service ozone generator.

** END OF SECTION **

Rockdale Water Resources Allowances Gees Mill WTP Ozone Generator Replacement 01 21 00-1

SECTION 01 21 00

ALLOWANCES

1 GENERAL

1.1 DESCRIPTION

A. The Contractor shall include in his proposal the allowance amount(s) listed below.

B. Contractor shall refer to the Proposals from each Supplier, included in these documents, regarding scope to be supplied and/or installed under each sole-source equipment allowance. Contractor shall be responsible for compliance with all requirements of the Contract Documents for all equipment and services provided under said allowance.

C. The allowance(s) shall cover work, manufactured equipment or services that will be provided either by the Contractor or by others who may be selected by the Owner. All work performed under allowance(s) will be eligible for payment only with the Owner’s prior written approval, and under special terms described herein.

D. Subcontract Allowances: Authorized subcontract work that is performed by subcontractors to the General Contractor and paid for under Allowances is considered to be subcontract work to the Contractor. Therefore, in accordance with the General Conditions of the Contract, actual payment to the Contractor will be actual cost of the subcontractor’s charges plus a fee equal to five percent (5%) of subcontractor’s charges.

E. Cash Allowances for Purchases and Purchased Services: Where Contractor purchases equipment or materials that are authorized to be paid from Allowances and installed or incorporated into the project, the Contractor’s costs for unloading, handling, installation, overhead, profit, taxes, and other expenses are to be included in Contractor’s Bid Price.

This same provision will apply to Purchased Services by Owner from parties who are not a subcontractor to the Contractor.

F. The Contractor shall include in the Contract Sum all allowances stated in the Contract Documents. The Contractor's handling costs on the site, labor, installation costs, overhead, profit, taxes, and other expenses contemplated for the original allowance shall be included in the Contract Sum and not in the allowance. The Contractor shall cause work covered by these allowances to be performed for such amounts and by such persons as the Owner/Engineer may direct, but he will not be required to employ persons against whom he makes a reasonable objection. If the cost, when determined, is more than or less than the allowance, the Contract Sum shall be adjusted accordingly by Change Order.

2 SCHEDULE OF ALLOWANCES

2.1 CASH ALLOWANCES

A. The Contractor’s Total Base Bid shall include an allowance of $865,000.00 to cover the purchase price of the materials and labor for the new Ozone Generator and manufacturer services as described in Primozone proposal dated March 14, 2025 (Appendix A). This cost does not include federal, state, or local taxes. Taxes, if applicable, and any other costs required to complete the work shall be included in the Contractor’s Lump Sum Bid price.

B. The Contractor’s Total Base Bid shall include an allowance of $25,000.00 to cover the purchase price of the materials and labor for the replacement of ferrous metals within the chilled water system circulation piping including pumps, fitting, valves, and piping. This cost shall also cover federal, state, and local taxes. This cost does not include the labor, materials, and equipment necessary to inspect the chiller system to identify any ferrous metals within the chilled water circulation system, which shall be included in the Contractor’s Lump Sum Bid price.

Rockdale Water Resources Measurement and Payment Gees Mill WTP Ozone Generator Replacement 01 22 00-1

SECTION 01 22 00

MEASUREMENT AND PAYMENT

1 GENERAL

1.1 SUMMARY

A. Scope

1. The Bid lists each item of the Project for which payment will be made. No payment will be made for any items other than those listed in the Bid.

2. Required items of work and incidentals necessary for the satisfactory completion of the work which are not specifically listed in the Bid, and which are not specified in this Section to be measured or to be included in one of the items listed in the Bid, shall be considered as incidental to the work. All costs thereof, including Contractor's overhead costs and profit, shall be considered as included in the lump sum or unit prices bid for the various Bid items. The Contractor shall prepare the Bid accordingly.

3. Work includes furnishing all plant, labor, equipment, tools and materials, which are not furnished by the Owner and performing all operations required to complete the Work satisfactorily, in place, as specified and as indicated on the Drawings.

4. The Contractor shall take no advantage of any apparent error or omission on the Drawings or Specifications, and the Engineer shall be permitted to make corrections and interpretations as may be deemed necessary for fulfillment of the intent of the Contract Documents.

5. Where the Specifications and/or Contract Drawings are silent on Payment for work specified under an individual Specification Section or on the Drawings, it is understood that Payment will be made as part of the Lump Sum price bid.

1.2 DESCRIPTIONS

A. Measurement of an item of work will be by the unit indicated in the Bid.

1. Payment of the lump sum items established in the Contractor's Bid shall be full compensation for all labor, materials, and equipment required to furnish, install, construct, and test the Work covered under the lump sum proposal item. Payment of the lump sum items established in the Contractor's Bid shall also fully compensate the Contractor for any other work which is not specified or shown, but which is necessary to complete the Work.

B. Payment will include all necessary and incidental related work not specified to be included in any other item of work listed in the Bid.

C. Unless otherwise stated in individual sections of the Specifications or in the Bid, no separate payment will be made for any item of work, materials, parts, equipment, supplies or related items required to perform and complete the work. The costs for all such items required shall be included in the price bid for item of which it is a part.

D. The lump sum items shall be specifically subdivided by activity/CSI format, broken-out in the Schedule of Values. Each schedule of value’s description of work shall contain a unique identifier for the purpose of differentiating each schedule of value. Payments for the lump sum items specifically broken-out in the Schedule of Values will be based upon physical progress for each activity in accordance with the breakdown of the Lump Sum prices agreed to in the Schedule of Values.

1.3 NONPAYMENT FOR REJECTED OR UNUSED PRODUCTS

A. Payment will not be made for the following:

1. Loading, hauling, and disposing of rejected material.

2. Quantities of material wasted or disposed of in manner not called for under Contract

Documents.

Measurement and Payment Rockdale Water Resources 01 22 00-2 Gees Mill WTP Ozone Generator Replacement

3. Rejected loads of material, including material rejected after it has been placed by reason of failure of Contractor to conform to provisions of Contract Documents.

4. Material not unloaded from transporting vehicle.

5. Material and equipment not properly stored.

6. Defective Work not accepted by Owner.

7. Material remaining on hand after completion of Work.

1.4 PARTIAL PAYMENT OF STORED MATERIALS AND EQUIPMENT

A. Partial Payment: No partial payments will be made for materials and equipment delivered or stored unless Shop Drawings or preliminary operation and maintenance manuals are acceptable to Engineer.

B. Final Payment: Will be made only for products incorporated in Work; remaining products, for which partial payments have been made, shall revert to Contractor unless otherwise agreed, and partial payments made for those items will be deducted from final payment.

1.5 BID ITEMS

A. Bid Prices included on the Bid Form shall be full compensation for all materials, labor, equipment, tools, construction equipment and machinery, heat, utilities, transportation, taxes, overhead, markup, incidentals and services necessary for the execution and completion of the Work in the Contract Documents to be performed under this Contract.

For the Work described, the lump sum and allowance, actual used and installed quantities of each bid item shall be measured in the field and certified by the Engineer and/or Owner upon completion of construction in the manner set forth for each item in this and other sections of the Specifications. Payment for all items listed on the Bid Form will constitute full compensation for all Work shown and specified to be performed.

B. The following items 1 through 3 comprise the Base Bid Total as listed on the Bid Form.

Owner may elect to select all or some of the bid items for inclusion in the Contract.

1. OZONE GENERATION SYSTEM INSTALLATION

a. MEASUREMENT: Measurement shall be based on the successful completion of the installation and start-up of the Gees Mill WTP Ozone Generator Replacement, as required by the plans and specifications.

b. PAYMENT: The Lump Sum Price bid under this section shall include the furnishing of all labor, materials, and equipment for properly installing the new ozone generator, including but not limited to: demolition of existing facilities, installation of the new ozone generator, modifications to existing oxygen supply, chilled water, and ozone feed piping, electrical system modifications, control system modifications and integration, replacement of 2-inch ball valves and stainless steel piping at ozone contact chambers, piping, fittings, valves, and all other work necessary for a complete and fully functioning system, as specified and shown in the Contract Documents, whether specifically mentioned or implied, except that Work specifically included for payment under any other Bid Item.

2. OZONE DESTRUCT UNIT FILTER MEDIA REPLACEMENT

a. MEASUREMENT: Measurement shall be based on the successful completion of the replacement of the filter media in the existing ozone destruct units located at the ozone contact chambers, as required by the plans and specifications.

b. PAYMENT: The Lump Sum Price bid under this section shall include the furnishing of all labor, materials, and equipment for properly removing and disposing of the existing filter media, and installing the new filter media in the existing ozone destruct units, and all other work necessary for a complete and fully functioning system, as specified and shown in the Contract Documents, whether specifically mentioned or implied, except that Work specifically included for payment under any other Bid Item.

3. CASH ALLOWANCES

Rockdale Water Resources Measurement and Payment Gees Mill WTP Ozone Generator Replacement 01 22 00-3

a. Ozone Generator

1) MEASUREMENT: An allowance has been established for the value of this item. This allowance may be used, as authorized and directed by the Owner or Engineer, to pay for the costs of ozone generator equipment and manufacturer start-up services as specified in Primozone’s proposal included in the contract documents.

2) PAYMENT: The allowance price shown shall cover all costs for the ozone generation equipment and manufacturer services, as invoiced by Primozone.

Payments will be made for the invoiced amounts without markup by the Contractor.

b. Chiller System Ferrous Metal Replacement

1) MEASUREMENT: An allowance has been established for the value of this item. This allowance may be used, as authorized and directed by the Owner or Engineer, to pay for the costs of removal and replacement of ferrous metal items within the chilled water circulation system.

2) PAYMENT: The allowance price shown shall cover the costs for materials, labor, and equipment to remove and replace any ferrous containing materials in contact with the chilled water with Type 316 stainless steel materials, including pumps, fitting, valves, and piping.

4. CONTINGENCY ALLOWANCES

a. Unforeseen Work Elements

1) MEASUREMENT: An allowance has been established for the value of this item. The Contractor agrees that this allowance is for the sole use of Owner to cover costs associated with Unforeseen Work Elements. Costs shall be determined as specified in General Conditions Article 29, and as directed by the Engineer.

2) PAYMENT: Payment will be made for work not shown or specified in the Drawings or Specifications and not covered by another item in the Bid Schedule based on an agreed upon costs submitted by the Contractor and approved by the Engineer and Owner in advance of the work.

2 PRODUCTS (NOT USED)

3 EXECUTION (NOT USED)

Rockdale Water Resources Substitution Procedures Gees Mill WTP Ozone Generator Replacement 01 25 00-1

SECTION 01 25 00

SUBSTITUTION PROCEDURES

1 GENERAL

1.1 SUMMARY

A. Section Includes:

1. Procedural requirements for product substitutions.

2. Procedural requirements for substitute construction methods or procedures, when construction methods or procedures are specified.

B. Requests for substitutions of equipment and material shall conform to the requirements of the General Conditions and Supplementary Conditions.

C. Procedure for substitution requests and review including evaluation, reimbursement, acceptance, and determination shall be in accordance with General Conditions and Supplementary Conditions.

1.2 REFERENCES

A. Definitions: The following words or terms are not defined but, when used in this Section, have the following meaning:

1. �Products� includes materials, equipment, machinery, components, fixtures, systems, and other goods incorporated in the Work. Products do not include machinery and equipment used for preparing, fabricating, conveying, erecting, or installing the Work.

Products include Owner-furnished goods incorporated in the Work where use of such goods is specifically required in the Contract Documents.

1.3 ADMINSTRATIVE REQUIREMENTS

A. Contractor�s Responsibilities

1. In submitting request for substitution, Contractor represents that:

a. Contractor has investigated proposed substitution and determined that it is equivalent to item, product, method, or procedure specified, as applicable.

b. Contractor will provide the same or better guarantees or warranties for proposed substitution as for the specified product, manufacturer, method, or procedure, as applicable.

c. Contractor waives all Claims for additional costs or extension of time related to proposed substitution that subsequently may become apparent.

B. Engineer�s Review

1. A proposed substitution will not be accepted for review if:

a. Approval would require changes in design concept or a substantial revision of the Contract Documents.

b. Approval would delay completion of the Work or the work of other contractors.

c. Substitution request is indicated or implied on a Shop Drawing or other submittal, or on a request for interpretation or clarification, and is not accompanied by Contractor�s formal request for substitution.

C. If Engineer does not approve the proposed substitute, Contractor shall provide the specified product, manufacturer, method, or procedure, as applicable.

D. Approval of a substitution request will not relieve Contractor from requirement for submitting Shop Drawings as set forth in the Contract Documents.

E. Product Substitutions Procedure

1. Requests for approval of substitute products or items will be considered for a period of

Substitution Procedures Rockdale Water Resources 01 25 00-2 Gees Mill WTP Ozone Generator Replacement

30 days after the Effective Date of the Agreement. After end of specified period, requests will be considered only in case of unavailability of a specified product or other conditions beyond Contractor�s control.

2. Submit two (2) copies of request for substitution.

3. Submit separate request for each substitution.

4. In addition to requirements of the General Conditions and information required on substitution request forms, include with request the following:

a. Product identification, including manufacturer�s name and address.

b. Manufacturer�s literature with product description, performance and test data, and reference standards with which product complies.

c. Samples, if appropriate.

d. Name and address of similar projects on which product was used, and date of installation.

e. Certified tests, where applicable, by an independent laboratory attesting the proposed substitution is equal.

f. Cost information for the proposed substitution and the specified products.

F. Construction Methods Substitutions Procedures

1. Where construction methods or procedures are specified, for a period of 30 days after the Effective Date of the Agreement, Engineer will consider Contractor�s written requests for substitute construction methods or procedures specified.

2. Submit two (2) copies of request for substitution.

3. Submit separate request for each substitution.

4. In addition to requirements of the General Conditions and information required on substitution request forms, include with request the following:

a. Detailed description of proposed method or procedure.

b. Itemized comparison of the proposed substitution with the specified method or procedure.

c. Drawings illustrating method or procedure.

d. Other data required by Engineer to establish that proposed substitution is equivalent to specified method or procedure.

2 PRODUCTS (NOT USED)

Rockdale Water Resources Contract Modification Procedures Gees Mill WTP Ozone Generator Replacement 01 26 00-1

SECTION 01 26 00

CONTRACT MODIFICATION PROCEDURES

1 GENERAL

1.1 SUMMARY

A. Section Includes:

1. General Conditions and Supplementary Conditions provision expansion, including the following:

a. Requests for Interpretation

b. Field Orders

c. Work Change Directives

d. Proposal Requests

e. Change Proposals

f. Change Orders

1.2 ADMINISTRATIVE REQUIREMENTS

A. Submit Contract modification documents to Engineer�s contact person and address in the Contract Documents.

B. Retain at Contractor�s office and at the Site complete copy of each Contract modification document and related documents, and Engineer�s response.

1.3 REQUEST FOR INTERPRETATION

A. General

1. Submit written or electronic requests for interpretation to Engineer. Contractor and Owner may submit requests for interpretation.

2. Submit request for interpretation to obtain clarification or interpretation of the Contract Documents. Report conflicts, errors, ambiguities, and discrepancies in the Contract Documents using requests for interpretation.

3. Do not submit request for interpretation when other form of communication is appropriate, such as submittals, requests for substitutions or �or equals�, notices, ordinary correspondence, or other form of communication. Improperly prepared or inappropriate requests for interpretation will be returned without response or action.

B. Procedure

1. Submit one original (hard copy or electronic) of each request for interpretation. Submit each request for interpretation with separate letter of transmittal if hard copies are submitted.

2. Engineer will provide timely review of requests for interpretation. Allow sufficient time for review and response.

3. Engineer will maintain log of requests for interpretation. Copy of log will be provided upon request.

4. Engineer will provide written response to each request for interpretation. One copy of Engineer�s response will be distributed to:

a. Contractor

b. Owner

c. Engineer

d. Resident Project Representative (RPR)

C. If Engineer requests additional information to make an interpretation, provide information

Contract Modification Procedures Rockdale Water Resources 01 26 00-2 Gees Mill WTP Ozone Generator Replacement requested within ten (10) days, unless Engineer allows additional time, via correspondence referring to request for interpretation number.

D. If Contractor or Owner believes that a change in the Contract Price or Contract Times or other change to the Contract is required, notify Engineer in writing before proceeding with the Work associated with the request for interpretation.

E. Submit each request for interpretation on a form acceptable to Engineer.

1. Number each request for interpretation as follows: Numbering system shall be the Contract number and designation followed by a hyphen and three-digit sequential number.

2. In space provided on form, describe the interpretation requested. Provide additional sheets as necessary. Include text and sketches as required in sufficient detail for engineer�s response.

3. When applicable, request for interpretation shall include Contractor�s recommended resolution.

1.4 FIELD ORDERS

A. General

1. Field Orders, when required, will be initiated and issued by Engineer.

2. Field Orders authorize minor variations in the Work but do not change the Contract Price or Contract Times.

3. Field Orders will be in the form of Engineers Joint Contract Documents Committee (EJCDC) document C-942, �Field Order� or other Engineer�s accepted form.

4. Engineer will maintain a log of Field Orders issued.

B. Procedure

1. Electronic copies of Field Orders will be maintained, stored, and distributed by Engineer.

2. If Contractor or Owner believes that a change in the Contract Price or the Contract Times or other change to the Contract is required, immediately notify Engineer in writing before proceeding with the Work associated with the Field Order.

3. If the Field Order is unclear, submit request for interpretation.

1.5 WORK CHANGE DIRECTIVE

A. General

1. Work Change Directives, when required, order additions, deletions, or revisions to the Work.

2. Work Change Directives do not change the Contract Price or Contract Times but are evidence that the parties to the Contract expect that the change ordered or documented by the Work Change Directive will be incorporated in subsequently issued Change Order following negotiations by the parties as to its effect, if any, on the Contract Price or Contract Times.

B. Work Change Directives will be in the form of EJCDC document C-940, �Work Change Directive� or other Engineer�s accepted form.

C. Procedure

1. Three originals of Work Change Directive signed by Owner and Engineer will be furnished to Contractor, who shall promptly sign each original Work Change Directive and, within five days of receipt, return all originals to Engineer.

2. Original, signed Work Change Directives will be distributed as follows:

a. Contractor: One original

b. Owner: One original

Gees Mill WTP Ozone Generator Replacement 01 26 00-3

c. Engineer: One original

3. One hard copy of each Work Change Directive will be distributed to: Resident Project Representative (RPR).

4. When required by Engineer, document for the Work performed under each separate Work Change Directive, for each day, the number and type of workers employed and hours worked; equipment used including manufacturer, model, and year of equipment, and number of hours; materials used, receipts for and descriptions of materials and equipment incorporated into the Work, invoices and labor and equipment breakdowns for Subcontractors and Suppliers, and other information required by Owner or Engineer, in a format acceptable to Engineer. Submit this documentation to Engineer as a Change Proposal.

1.6 PROPOSAL REQUESTS

A. General

1. Proposal requests may be initiated by Engineer or Owner.

2. Proposal requests are for requesting the effect on the Contract Price and the Contract Times and other information relative to contemplated changes in the Work. Proposal requests do not authorize changes or variations in the Work, and do not change the Contract Price or Contract Times or terms of the Contract.

3. Proposal requests will be furnished using the proposal request form included with this Section.

B. Procedure

1. One copy of each signed proposal request will be furnished to Contractor with one copy each to:

a. Owner

b. Engineer

c. Resident Project Representative (RPR)

2. Submit request for interpretation to clarify conflicts, errors, ambiguities, and discrepancies in proposal request.

3. Upon receipt of proposal request, Contractor shall prepare and submit a Change Proposal, in accordance with this Section, for the proposed Work described in the proposal request.

1.7 CHANGE PROPOSALS

A. General

1. Submit written Change Proposal to Engineer in response to each proposal request, and when Contractor believes a change in the Contract Price or Contract Times or other change to the terms of the Contract is required.

B. Procedure

1. Submit to Engineer one original and one copy of each Change Proposal with accompanying documentation, and simultaneously submit two copies to Owner. Submit each Change Proposal with separate letter of transmittal.

2. Engineer will review Change Proposal and either request additional information from Contractor or provide to Owner recommendation regarding approval of the Change Proposal.

3. When Engineer requests additional information to render a decision, submit required information within five days of receipt of Engineer�s request, unless Engineer allows more time. Submit the required information via correspondence that refers to Change Proposal number.

4. Upon completing review, one copy of Engineer�s written response, if any, will be

01 26 00-4 Gees Mill WTP Ozone Generator Replacement distributed to:

a. Contractor

b. Owner

c. Engineer

d. Resident Project Representative (RPR)

5. If Change Proposal is recommended for approval by Engineer and approved by Owner, a Change Order will be issued.

6. If parties do not agree on terms for the change, Owner or Contractor may file a Claim against the other, in accordance with the General Conditions and the Supplementary Conditions.

C. Each Change Proposal shall be submitted on a Change Proposal form acceptable to Engineer.

1. Number each Change Proposal as follows: Numbering system shall be the Contract number and designation followed by a hyphen and three-digit sequential number.

Example: First Change Proposal for the general contract for project named �Contract 23� would be, �Proposal No. 23-001�.

2. In space provided on form:

a. Describe scope of each proposed change. Include text and sketches on additional sheets as required to provide detail sufficient for Engineer�s review and response. If a change item is submitted in response to proposal request, write in as scope, �In accordance with Change Proposal Request No.� followed by the proposal request number. Provide written clarifications, if any, to scope of change.

b. Provide justification for each proposed change. If change is in response to proposal request, write in as justification, �In accordance with Change Proposal Request No.� followed by the proposal request number.

c. List the total change in the Contract Price and Contract Times for each proposed change.

3. Unless otherwise directed by Engineer, attach to the Change Proposal detailed breakdowns of pricing (Cost of the Work and Contractor�s fee) including:

a. List of Work tasks to accomplish the change.

b. For each task, labor cost breakdown including labor classification, total hours per labor classification, and hourly cost rate for each labor classification.

c. Construction equipment and machinery to be used, including manufacturer, model, and year of manufacture, and number of hours for each.

d. Detailed breakdown of materials and equipment to be incorporated into the Work, including quantities, unit costs, and total cost, with Supplier�s written quotations.

e. Breakdowns of the Cost of the Work and fee for Subcontractors, including labor, construction equipment and machinery, and materials and equipment incorporated into the Work, other costs, and Subcontractor fees.

f. Breakdown of other costs eligible, in accordance with the General Conditions and the Supplementary Conditions.

g. Other information required by Engineer.

h. Contractor�s fees applied to eligible Contractor costs and eligible Subcontractor costs.

1.8 CHANGE ORDERS

A. General

1. Change Orders will be recommended by Engineer and signed by Owner, and Contractor, to authorize additions, deletions, or revisions to the Work, or changes to the

Gees Mill WTP Ozone Generator Replacement 01 26 00-5

Contract Price or Contract Times.

2. Change Orders will be in the form of EJCDC document C-941, �Change Order� or other Engineer�s accepted form.

B. Procedure

1. Five originals of each Change Order will be furnished to Contractor, who shall sign each original Change Order and return all originals to Engineer within five days of receipt.

2. Engineer will sign each original Change Order and forward them to Owner.

3. After approval and signature of all parties, three executed original copies will be returned to Engineer. Engineer will distribute as follows:

a. Contractor: One original

b. Owner: One original

c. Engineer: One original

4. One copy of each Change Order will be distributed to:

a. Resident Project Representative (RPR)

2 PRODUCTS (NOT USED)

3 EXECUTION

3.1 SCHEDULE

A. 2013 EJCDC Form C-942, Field Order

B. 2013 EJCDC Form C-940, Work Change Directive

C. 2013 EJCDC Form C-941, Change Order

01 26 00-6 Gees Mill WTP Ozone Generator Replacement

Field Order No.

Date of Issuance: Effective Date:

Owner: Owner�s Contract No.:

Contractor: Contractor�s Project No.:

Engineer: Engineer's Project No.:

Project: Contract Name:

Contractor is hereby directed to promptly execute this Field Order, issued in accordance with General Conditions Paragraph 9.04, for minor changes in the Work without changes in Contract Price or Contract Times. If Contractor considers that a change in Contract Price or Contract Times is required, submit a Change Proposal before proceeding with this Work.

Reference:

Specification(s) Drawing(s) / Detail(s)

Description:

Attachments:

ISSUED: RECEIVED:

By: By:

Engineer (Authorized Signature) Contractor (Authorized Signature)

Title: Title:

Date: Date:

Copy to: Owner

Gees Mill WTP Ozone Generator Replacement 01 26 00-7

Work Change Directive No.

Date of Issuance: Effective Date:

Owner: Owner�s Contract No.:

Contractor: Contractor�s Project No.:

Engineer: Engineer's Project No.:

Project: Contract Name:

Contractor is directed to proceed promptly with the following change(s):

Description:

Attachments: [List documents supporting change]

Purpose for Work Change Directive:

Directive to proceed promptly with the Work described herein, prior to agreeing to changes on Contract Price and Contract Time, is issued due to: [check one or both of the following]

Non-agreement on pricing of proposed change.

Necessity to proceed for schedule or other Project reasons.

Estimated Change in Contract Price and Contract Times (non-binding, preliminary):

Contract Price $ [increase] [decrease].

Contract Time days

[increase] [decrease].

Basis of estimated change in Contract Price:

Lump Sum Unit Price

Cost of the Work Other

RECOMMENDED: AUTHORIZED BY: RECEIVED:

By: By: By:

Engineer (Authorized Signature) Owner (Authorized Signature) Contractor (Authorized Signature)

Title: Title: Title:

Date: Date: Date:

Approved by Funding Agency (if applicable)

By:

Date:

Title:

01 26 00-8 Gees Mill WTP Ozone Generator Replacement

Change Order No.

Date of Issuance: Effective Date:

Owner: Owner's Contract No.:

Contractor: Contractor�s Project No.:

Engineer: Engineer's Project No.:

Project: Contract Name:

The Contract is modified as follows upon execution of this Change Order:

Description:

Attachments: [List documents supporting change]

CHANGE IN CONTRACT PRICE CHANGE IN CONTRACT TIMES

[note changes in Milestones if applicable]

Original Contract Price: Original Contract Times:

Substantial Completion:

$ Ready for Final Payment:

days or dates

[Increase] [Decrease] from previously approved Change Orders No. to No. :

[Increase] [Decrease] from previously approved Change Orders No. to No. :

Substantial Completion:

$ Ready for Final Payment:

days

Contract Price prior to this Change Order: Contract Times prior to this Change Order:

Substantial Completion:

$ Ready for Final Payment:

days or dates

[Increase] [Decrease] of this Change Order: [Increase] [Decrease] of this Change Order:

Substantial Completion:

$ Ready for Final Payment:

days or dates

Contract Price incorporating this Change Order: Contract Times with all approved Change Orders:

Substantial Completion:

$ Ready for Final Payment:

days or dates

RECOMMENDED: ACCEPTED: ACCEPTED:

By: By: By:

Engineer (if required) Owner (Authorized Signature) Contractor (Authorized Signature)

Title: Title: Title:

Date: Date: Date:

Approved Funding Agency (if required)

By:

Date:

Title:

Rockdale Water Resources Project Meetings Gees Mill WTP Ozone Generator Replacement 01 31 19-1

SECTION 01 31 19

PROJECT MEETINGS

1 GENERAL

1.1 PRECONSTRUCTION MEETING

A. A preconstruction meeting will be held after Award of Contract, but prior to starting work at the site.

B. Attendance at preconstruction meeting will include, but not be limited to, the following.

1. Owner

2. Engineer

3. Contractor

4. Major subcontractors

5. Safety representative

6. Representatives of governmental or other regulatory agencies, as required.

C. Minimum Agenda

1. Tentative construction schedule

2. Critical work sequencing

3. Designation of responsible personnel

4. Processing of Field Decisions and Change Orders

5. Adequacy of distribution of Contract Documents

6. Submittal of Shop Drawings and samples

7. Procedures for maintaining record documents

8. Use of site and Owner's requirements

9. Major equipment deliveries and priorities

10. Safety and first aid procedures

11. Security procedures

12. Housekeeping procedures

13. Processing of Partial Payment Requests

1.2 PROGRESS MEETINGS

A. Progress meetings will be held monthly during the performance of the work of this Contract.

Additional meetings may be called as progress of work dictates.

B. Engineer will preside at meetings and record minutes of proceedings and decisions.

Engineer will distribute copies of minutes to participants.

C. Attendance at progress meetings shall include the following.

1. Owner

2. Engineer

3. Contractor

4. Subcontractors, only with Engineer's approval or request, as pertinent to the agenda

D. Minimum Agenda

1. Review and approve minutes of previous meeting.

2. Review progress of Work since last meeting.

Project Meetings Rockdale Water Resources 01 31 19-2 Gees Mill WTP Ozone Generator Replacement

3. Review proposed 30-day construction schedule.

4. Note and identify problems which impede planned progress.

5. Develop corrective measures and procedures to regain planned schedule.

6. Revise construction schedule as indicated and plan progress during next work period.

7. Review quality and work standards.

8. Review work environment.

9. Complete other current business.

10. Schedule next progress meeting.

E. The Contractor shall bring record drawings to each progress meeting for review. Record drawings shall reflect all changes to date. Failure to keep up-to-date record drawings will result in not processing pay requests.

F. The Contractor shall bring updated project schedules to each progress meeting for review.

Updated project schedules shall reflect all changes to date. Failure to keep up-to-date project schedules will result in not processing pay requests.

1.3 CALLED MEETINGS

A. The Owner or Engineer may request meetings with the Contractor at any time on matters pertaining to the progress of Work being carried out under this Contract. It will be the responsibility of the Contractor to supply whatever information is requested by the Owner or Engineer concerning the project throughout its duration.

B. Contractor shall make manufacturer representatives and information available on request for meetings the Engineer has with the Owner.

Rockdale Water Resources Construction Progress Schedules Gees Mill WTP Ozone Generator Replacement 01 32 16-1

SECTION 01 32 16

CONSTRUCTION PROGRESS SCHEDULES

1 GENERAL

1.1 DESCRIPTION

A. The Contractor shall submit to the Engineer for approval construction planning, scheduling, and cost value documentation pertaining to the project as detailed herein and shall update same throughout project as required.

B. The following schedules, reports, and plots shall be submitted to the Engineer.

1. Construction Progress Schedule

2. Short Term Schedules

3. Detailed Cost Breakdown/Schedule of Values

4. Activity Reports

5. Equipment and Material Order Schedule

6. Logic Diagrams

7. Resource Plots

C. No Construction Progress Schedule review by the Engineer shall relieve the Contractor from the responsibility to comply with the Contract Times and any sequences of Work indicated in or required by the Contract Documents or to complete Work within the Contract Times. Nor will any such Construction Progress Schedule review by the Engineer lead to approval of, or consent to, any variation from the Contract Documents, except as the Engineer may otherwise approve or consent to individual variations by means of specific, separate notations in writing.

1.2 SUBMITTAL PROCEDURES

A. Within 10 working days of Notice to Proceed, the Contractor shall submit to the Engineer for approval the products required by this section of the Specifications.

B. Within 5 working days following receipt of same the Engineer shall arrange for a meeting with the Contractor so as to familiarize the Engineer with the Contractor's proposed construction plans and schedules.

C. Within 5 working days following the Engineer's review the Contractor shall resubmit a corrected copy of those documents requiring revision.

D. Within 5 working days following his receipt of the adequately revised documents the Engineer will approve same for use on the project.

E. Once approved, the Contractor shall submit 4 copies of the construction scheduling documents to the Engineer for use on the project. The construction scheduling documents shall be marked Rev. 0.

F. The Contractor shall not submit an Application for Payment until the Rev. 0 Construction Progress Schedule and Schedule of Values is approved.

2 PRODUCTS

2.1 GENERAL

A. All construction scheduling documents shall be prefaced with the following summary data.

1. Project Name

2. Contractor

3. Type of Tabulation (Initial or Updated with revision number)

Construction Progress Schedules Rockdale Water Resources 01 32 16-2 Gees Mill WTP Ozone Generator Replacement

4. Project Duration

5. Project Scheduled Completion Date

6. Effective or Starting Date of the Schedule

7. If an updated (revised) schedule, the new project completion date and project status

2.2 CONSTRUCTION PROGRESS SCHEDULE

A. The Construction Progress Schedule shall be a cost-and-resource loaded critical path method (CPM) progress schedule.

B. The Construction Progress Schedule shall detail CPM activities and logic ties to the extent required to show the Contractor�s overall approach to the Work.

C. At a minimum, the Construction Progress Schedule shall include the following.

1. Activity Number

2. Activity Description

3. Estimated Activity Duration (Work Days)

4. Activity Start Date (Calendar Dated)

5. Activity Finish Date (Calendar Dated)

6. Activity Cost of each of the various subdivisions of work required under the Contract Document, Specifications, and Drawings.

D. The Construction Progress Schedule shall clearly define the prosecution of the Work from Notice-to-Proceed to Final Acceptance by using separate CPM Activities.

E. CPM Activities shall equate to the days required to complete the associated work.

F. CPM Activities shall be assigned consistent descriptions, codes, and sort codes.

G. CPM Activity durations shall be depicted in the form of a bar chart.

H. The narrative shall list the CPM Activities on each Critical Path and compare Early and Late Dates for CPM Activities designating Contract Times and Target Times. The narrative shall also recap progress and days gained or lost vs. the current Construction Progress Schedule, describe changes in resources to be used on remaining Work and identify delays, their extent and causes. The narrative shall also itemize changes in Activities, logic ties and detailed cost breakdown pay items by each change, recovery plan and Contractor-initiated revision.

I. Construction Progress Schedules shall be submitted in PDF format.

J. Construction Progress Schedule Updates

1. The Contractor shall update the Construction Progress Schedule at least monthly and indicate those activities whose completion dates are in jeopardy because of activities behind schedule.

2. Updated construction scheduling documents shall be submitted to the Engineer each month at the construction progress meeting.

3. Each monthly Construction Progress Schedule Update shall be marked Rev. 0.1, Rev.

0.2, etc.

4. The Owner may require the Contractor to modify any portions of the work schedule that becomes infeasible because of "activities behind schedule" or for any other valid reason. Any such modification will be at the Contractor's expense unless the modification is required to accommodate schedule revisions required by the Owner.

5. If a revision is required to the Construction Progress Schedule Update submittal, it shall be marked Rev. 0.1A, Rev. 0.1B, etc.

6. An activity that cannot be completed by its original latest completion date shall be deemed to be behind schedule.

Gees Mill WTP Ozone Generator Replacement 01 32 16-3

K. If a revision is required to the overall Construction Progress Schedule, it shall be marked Rev. 2, Rev. 3, etc.

2.3 SHORT TERM SCHEDULES

A. Short Term Schedules shall subdivide CPM Activities into detailed tasks and cover the prior two (2) weeks and the next four (4) weeks. Each installation task shall be cross-referenced to a CPM Activity and shall not combine the Work for more than one crew. Submittals shall segregate preparation from review and shall not combine items furnished by separate Suppliers.

2.4 DETAILED COST BREAKDOWN/SCHEDULE OF VALUES

A. The Detailed Cost Breakdown (DCB) shall divide the Work into pay items by significant Sections of the Specifications within areas, structures, and facilities, or vice versa. If requested by the Engineer in writing, there shall be separate DCB reports for self-performed Work and the Work of each Subcontractor.

B. The Schedule of Values (SOV) shall subdivide the DCB into CPM and Pay Activities, sequenced by Activity codes, and shall tabulate for each Activity: code, description, Values for labor, Subcontract and/or materials and equipment costs; Activity Values; percent complete; and Earned Values. Delivery and Submittal Review Activities, where appropriate, shall be cost-loaded if the Contractor intends to request payment for stored materials and for approved equipment Shop Drawings, respectively.

1. The Contractor shall establish and submit a cost value for each activity in his progress schedule and estimates so that monthly partial payments to the Contractor can be calculated on the basis of work in place.

2. Wherever in the General Conditions it is provided that payments will be allowed for materials delivered to the site but not yet incorporated in the work, subject to the terms and conditions specified in the General Conditions, separate pay items shall be established for furnishing and installation of such items.

3. Costs of materials delivered to the site but not yet incorporated into the work shall be included as a separate pay item and shall not be included in the cost value of the installation activity for such materials.

4. Each activity shall be limited to a maximum cost of $50,000. Exceptions to this rule may be where a piece of equipment costs more than $50,000.

C. Pay Activities or the features of the software shall be used to ensure that any total CPM Activity Value or, if appropriate, that any Activity labor, Subcontract, etc. Values roll up to only one DCB pay item. Once the Rev. 0 DCB and SOV are approved, the Contractor shall not modify any DCB pay item or Activity Value, unless otherwise authorized by the Engineer in writing.

D. A schedule of the anticipated amount of each monthly payment that will become due the Contractor in accordance with the Construction Progress Schedule shall be included provided. This anticipated monthly payment schedule shall distribute the costs of the project more or less evenly over the scheduled project life in a manner acceptable to the Owner and compatible with the Owner's funding arrangements for the project. Re-submittal will be required until the anticipated monthly payment schedule is acceptable to Owner. For this project, substantial variation from this schedule of payments will not be permitted.

2.5 ACTIVITY REPORTS

A. Activity Reports shall include CPM Activity code, description, duration, calendar, Early and Late Dates (calendar dates), Total Float, labor manhours, and sort codes. The Late Finish Date (or the Early Start Date) of any CPM Activity highlighting a Contract Time (or commencement of all or any part of the Work) shall equal the corresponding Contract Time (or Contract date). In addition, for precedence-based Progress Schedules, Activity Reports shall show, for each CPM Activity, all preceding and succeeding logic ties (lead/lag and lead times) or attach a separate report combining such Activity and logic tie data.

2.6 EQUIPMENT AND MATERIAL ORDER SCHEDULE

Construction Progress Schedules Rockdale Water Resources 01 32 16-4 Gees Mill WTP Ozone Generator Replacement

A. Equipment and Material Order Schedule shall include the following information for principal items of equipment and materials.

1. Dates on which Shop Drawings are requested and received from the manufacturer

2. Dates on which certification is received from the manufacturer and transmitted to the Engineer

3. Dates on which Shop Drawings are submitted to the Engineer and returned by the Engineer for revision

4. Dates on which Shop Drawings are revised by manufacturer and resubmitted to the Engineer

5. Date on which Shop Drawings are returned by Engineer annotated either "Furnish as Submitted" or "Furnish as Corrected"

6. Date on which accepted Shop Drawings are transmitted to manufacturer

7. Date of manufacturer�s scheduled shop test

8. Date of manufacturer's scheduled delivery

9. Date on which delivery is actually made

2.7 LOGIC DIAGRAMS

A. Logic Diagrams shall be arrow or precedence and, once the Engineer has designated timescales, shall be plotted on a time scaled calendar, on minimum 22-inch x 34-inch color sheets. Logic Diagrams shall identify the Contract Times and Critical Path(s). CPM Activities shall be shown on the Early Dates, and Total Floats shall be noted beside the CPM Activities. Logic connectors whether on the same sheet or not, shall identify predecessors and successors.

2.8 RESOURCE PLOTS

A. Resource Plots shall graph monthly (or weekly, if chosen by the Engineer) and cumulative payments and manpower, using current Early Dates and Late Dates and, when requested by the Engineer, comparing Construction Progress Schedule and current Early Dates. The specific trades shall be chosen by the Engineer.

2.9 PROPOSAL SCHEDULES

A. If required, the Contractor shall submit Proposal Schedules, which shall support proposals or claims for changes in Contract Price or Contract Time, schedule recovery plans and other…