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SECTION 01 00 00 CONSTRUCTION GENERAL REQUIREMENTS

PART 1 GENERAL

1.1 PROJECT DESCRIPTION

1.1.1 The Contractor shall furnish all management, supervision, labor, materials, equipment, and incidentals required under this contract.

1.2 CONTRACT DOCUMENTS, REFERENCE STANDARDS, AND PUBLICATIONS

1.2.1 The following documents are a part of the solicitation and any resultant contract. The Contractor shall utilize the referenced documents in the accomplishment of the contract. The standards and publications listed in each section of the specifications form part of these specifications to the extent referenced. The Contractor shall conform to the provisions of the most recent issue of the listed standard or publication.

1.3 EXECUTION

1.3.1 Pre-Performance Construction Meeting

1.3.1.1 Before work begins on this contract, the Engineer will arrange for a meeting with the Contractor to discuss the contract in general, including administrative matters, project requirements, submittal procedures, approval and payment schedule, quality control expectations, request for proposal and task order procedures, traffic control, construction access requirements, as-built criteria, performance requirements, security procedures, accident prevention, safety, and fire prevention briefings.

1.3.2 Business Telephone

1.3.2.1 At the beginning of this contract, the Contractor shall provide the Engineer a contractor personnel telephone number, e-mail, and website for regular working hours. The Contractor shall also provide after hours (emergency) telephone numbers for the Program Manager and Construction Superintendent, as a minimum. The Contractor shall provide the Engineer with an updated phone list whenever changes in personnel or phone numbers occur. The Contractor is required to provide a means of mobile communications (i.e., cellular phone and/or pager) for the Project Manager and Construction Superintendent, and their respective alternates, for the life of the contract. Communications equipment will require special coordination and clearance with installation communications authorities.

1.3.3 Work Hours

1.3.3.1 The Contractor shall complete the work of this project between the hours of 7:00 a.m. and 6:00 p.m. local time, excluding Saturdays, Sundays, and Federal Holidays. See site specific specifications for further information on standard hours. Access to work sites may be restricted to these hours and days. All other times shall be considered non-standard hours. The Contractor may not work during non-standard hours unless the

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request and justification is approved by the Engineer. The Contractor must submit a request and justification for working non-standard hours to the Engineer at least 5 working days prior to working non-standard hours. Work that requires inspection during accomplishment or that prevents inspection of other work after accomplishment must be coordinated with and approved in advance by the Engineer. Inclement weather, operational delays, and security related delays might affect the contractors work periods. The Contractor must make allowances for these events, as resulting lost time will not be reimbursable.

1.3.4 Fire Protection

1.3.4.1 The Contractor shall be responsible for furnishing adequate and proper fire protection for all phases of the contract work in accordance with UFC and National Fire Protection Agency (NFPA) standards.

1.3.5 Record Drawings

1.3.5.1 During the progress of the contract, the Contractor shall a keep record set of drawings on the job. If the Contractor fails to maintain the record drawings as required herein, the Engineer will consider that satisfactory progress has not been achieved for the period in question. Final payment will be withheld until As-Built record drawings are submitted and approved by the Engineer.

1.3.6 Delivery Of Materials

1.3.6.1 Delivery of materials and equipment shall be made with a minimum of interference to traffic operations and residents.

1.3.7 Division Of Work

1.3.7.1 The work shall, so far as practicable, be done in definite sections or divisions and confined to limited areas that shall be completed before work in other sections or divisions are begun.

1.3.8 Clean-Up

1.3.8.1 Hallways, exits, and access routes must be kept free of debris and safe at all times. Prior to departure from the work area each day, the Contractor shall remove and properly dispose of all waste materials or rubbish generated by the project work. Daily cleanup of all job sites includes leaving the affected project area in good state of order. Thorough daily cleanup may be required in certain high-visibility areas on a case-by-case basis as described in the statement of work (SOW). Upon completion of the project, the Contractor shall conduct a thorough final cleaning.

1.3.9 Damage To Real Property

1.3.9.1 Any damage done by the Contractor to existing real property shall be repaired to prior conditions. Patch and repair any holes or damage done to walls during the removal of any items/material. Match the existing conditions and meet the requirements of these specifications. The Engineer will determine if the repair work done is sufficient. All repair work will be at the Contractors expense.

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1.3.10 Salvageable Items

1.3.10.1 All materials removed and not reused in the project as specified herein or as required by the project scope, remain the property of the Owner. The Engineer will determine if these materials are salvageable or unsalvageable. Salvageable materials shall be managed as directed by the Engineer.

1.3.11 Trash Removal

1.3.11.1 Unsalvageable materials, as determined by the Engineer, shall become the property of the Contractor and disposed of at the contractor's expense. Materials to be removed shall be removed without damage to adjacent areas. All damage resulting from the removal activity shall be repaired by the Contractor at no cost to the Owner. Repair shall be made with materials of like nature, type and construction as were damaged or exist adjacent to the areas to be repaired.

1.3.12 Monthly Reporting

1.3.12.1 The Contractor must submit reports monthly showing the tons of material disposed of at a landfill and the tons of material diverted from a landfill.

1.3.13 Permits

1.3.13.1 The Contractor is responsible for listing any and all necessary permits on each project submittal register that are required. The Contractor shall plan for and obtain any and all permits and provide two copies to the Engineer.

1.4 PRODUCTS AND SUBMITTALS

1.4.1 Standard Products

1.4.1.1 Materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacturing of such products, which are of a similar material, design and workmanship.

1.4.2 Submittal Requirements

1.4.2.1 See Section 01 33 00 Submittal Procedures.

1.5 CONCURRENT CONSTRUCTION

1.5.1 Construction work closely related to and/or located at the site of the work under this contract, and normal maintenance and repair work may occur. The Owner reserves the right to engage in and to perform work, with its own forces or other contractor forces, of the same type as the successful Contractor without breaching or violating this contract.

1.6 UTILITIY SERVICES

1.6.1 Availability Of Utility Services

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1.6.1.1 All reasonably required amounts of water, where available, will be made available to the Contractor by the Owner from existing system outlets and supplies. The quality, quantity, and consistency of the utilities supplied are not guaranteed. The Contractor shall, at his own expense, make all temporary connections and install distribution lines. All temporary lines shall be installed and maintained by the Contractor in a safe and workmanlike manner subject to approval by the Engineer and shall be removed by the Contractor in like manner prior to final acceptance of the construction. Reasonable quantities of water used to make final tests of completely installed systems will be furnished by the Owner as determined by the Engineer prior to execution.

1.6.2 Fire Hydrant Connections

1.6.2.1 Only compatible adapters shall be utilized for hydrant connections. All connections to fire hydrants shall be provided with a backflow preventor. A hydrant wrench of the correct size shall be used to control the flow. Temporary connections to fire hydrants shall be disconnected at the end of each working day. Any use of fire hydrants shall be coordinated with the Owner prior to work. Notification by the Contractor to the Engineer and Owner shall be made ten (10) workdays prior to any work.

1.6.3 Conservation Of Utilities

1.6.3.1 The Contractor shall be responsible for operating under conditions that preclude the waste of utilities and shall comply with energy conservation directives for each installation.

a. Supplemental lighting shall be used only in areas where and when work is actually being performed. When work areas are vacated, lighting shall be turned off.

b. Mechanical equipment for heating, ventilation, and air conditioning systems shall be adjusted by authorized craftsman only.

c. Water faucets or valves shall be turned off after the required usage has been accomplished.

1.7 UTILITY OUTAGES

1.7.1 The Contractor shall request, in writing, any utility outage necessitated by the project work at least 15 working days prior to the proposed outage unless otherwise approved in writing by the Engineer. The Contractor shall not operate any valve, circuit breaker, or other utility shut-off device unless approved by the Owner. The Contractor shall verify that there are no conflicts with the scheduled outage immediately before shutting off the utility. The Contractor will be responsible to implement lockout/tag out procedures, as needed.

1.7.1.1 Requests

a. The request shall be directed to the Engineer. It shall reference the specific scope of work; stipulate the specific utility system and/or circuits to be affected; the location of the work; the time, date, and duration of the requested outage for each system; and describe the contingency plans for restoring the utility to service.

1.7.1.2 Restrictions

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a. Outages shall be kept to a minimum both in number and in duration. Where multiple outages are required, as many outages as can be accurately scheduled shall be submitted as a group. No outage shall exceed four (4) hours unless approved in writing by the Engineer prior to outage execution.

1.8 PARKING

1.8.1 Parking of contractor vehicles shall be restricted to the project parking lot at the location designated by the Engineer. Under no circumstance shall the Contractor park vehicles and/or equipment, even temporarily, on the grass, unless approved in advance by the Engineer. The company name shall be prominently displayed on all construction vehicles parked in the designated spaces. Parking shall not violate fire or safety regulations.

1.9 TRAFFIC CONTROL

1.9.1 The Contractor shall comply with the recommendations contained in Part 6 of the U S Department of Transportation, Federal Highway Administration Manual on Uniform Traffic Control Devices to ensure proper warnings to motorists and adequate traffic control. Traffic control signage should be installed in accordance with Colorado Department of Transportation M&S Standards and Colorado Supplement to Manual of Uniform Traffic Control Devices. All signs, warning lights, barricades, and other traffic control devices shall be provided by the Contractor. The Contractor shall maintain the normal traffic egress to and from the installation during construction at all times. If traffic flow on any roadway is to be modified for any reason, the Contractor must notify the Engineer and the Fire Department by submitting a traffic coordination plan for approval to the Engineer ten (10) working days prior to commencing with construction activities. The schedule and phasing of roadway lane closure will be discussed in a pre-construction meeting.

1.10 SANITARY PROVISIONS

1.10.1 Use of Owner facilities may not be allowed. The Contractor shall utilize only those rest rooms designated for his use, provided such usage does not conflict with usage by installation personnel and that such usage does not result in unsanitary conditions or damage to the rest room. Should usage by the Contractor result in unsatisfactory conditions, the Engineer may restrict or prohibit further usage by the Contractor. In no instance, shall paint or other construction materials be disposed of in the rest room, nor shall fixtures be utilized for cleaning tools or construction equipment.

1.10.1.1 Temporary Sanitary Provisions

a. Contractor shall provide temporary toilets for the contractors use. Contractor shall ensure that they satisfy state and local health requirements for the use of construction personnel. Location, type, proposed maintenance, etc., shall be approved by the Engineer prior to placing toilets. Temporary toilets shall be promptly removed at the completion of construction. All costs incurred in connection with the temporary toilets shall be borne by the Contractor.

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1.11 TOBACCO

1.11.1 The Contractor shall limit smoking and use of tobacco to authorized areas only.

PART 2 PRODUCTS Not Used

PART 3 EXECUTION Not Used

END OF SECTION 01 00 00

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SECTION 01 33 00 SUBMITTAL PROCEDURES

PART 1 GENERAL

1.1 DEFINITIONS

1.1.1 Submittal Descriptions (SD)

1.1.1.1 Submittal requirements are specified in the technical sections and/or Statement of Work. Submittals are identified by SD numbers and titles as follows.

a. SD-01 Preconstruction Submittals

(1) Submittals which are required prior to a notice to proceed on a new contract. Submittals required prior to the start of the next major phase of the construction on a multi-phase contract. Schedules or tabular list of data or tabular list including location, features, or other pertinent information regarding products, materials, equipment, or components to be used in the work, submitted prior to contract notice to proceed or next major phase of construction.

(a) Certificates of insurance.

(b) Surety bonds.

(c) List of proposed subcontractors.

(d) List of proposed products.

(e) Construction Progress Schedule.

(f) Submittal register.

(g) Schedule of prices.

(h) Health and safety plan.

(i) Work plan.

(j) Quality control plan.

(k) Environmental protection plan.

(l) List of hazardous materials to be used on the project, to include manufacturers MSDS for each material. Prime contractor is responsible for insuring all sub-contractors comply with this submittal request.

b. SD-02 Shop Drawings

(1) Drawings, diagrams and schedules specifically prepared to illustrate some portion of the work.

(2) Diagrams and instructions from a manufacturer or fabricator for use in producing the product and as aids to the Contractor for integrating the product or system into the project.

(3) Drawings prepared by or for the Contractor to show how multiple systems and interdisciplinary work will be coordinated.

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c. SD-03 Product Data

(1) Catalog cuts, illustrations, schedules, diagrams, performance charts, instructions and brochures illustrating size, physical appearance and other characteristics of materials, systems or equipment for some portion of the work.

(2) Samples of warranty language when the contract requires extended product warranties.

d. SD-04 Samples

(1) Fabricated or unfabricated physical examples of materials, equipment or workmanship that illustrate functional and aesthetic characteristics of a material or product and establish standards by which the work can be judged.

(2) Color samples from the manufacturer's standard line (or custom color samples if specified) to be used in selecting or approving colors for the project.

(3) Field samples and mock-ups constructed on the project site establish standards by which the ensuring work can be judged. Includes assemblies or portions of assemblies which are to be incorporated into the project and those which will be removed at conclusion of the work.

e. SD-05 Design Data

(1) Design calculations, mix designs, analyses or other data pertaining to a part of work.

f. SD-06 Test Reports

(1) Report signed by authorized official of testing laboratory that a material, product or system identical to the material, product or system to be provided has been tested in accord with specified requirements. (Testing must have been within three years of date of contract award for the project.)

(2) Report which includes findings of a test required to be performed by the Contractor on an actual portion of the work or prototype prepared for the project before shipment to job site.

(3) Report which includes finding of a test made at the job site or on sample taken from the job site, on portion of work during or after installation.

(4) Investigation reports.

(5) Daily logs and checklists.

(6) Final acceptance test and operational test procedure.

g. SD-07 Certificates

(1) Statements printed on the manufacturer's letterhead and signed by responsible officials of manufacturer of product, system or material attesting that product, system or material meets specification requirements. Must be dated after award of project contract and clearly name the project.

(2) Document required of Contractor, or of a manufacturer, supplier, installer or subcontractor through Contractor, the purpose of which is to further quality of orderly progression of a portion of the work by documenting procedures, acceptability of methods or personnel qualifications.

(3) Confined space entry permits.

(4) Text of posted operating instructions.

h. SD-08 Manufacturer's Instructions

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(1) Preprinted material describing installation of a product, system or material, including special notices and Material Safety Data sheets concerning impedances, hazards and safety precautions.

i. SD-09 Manufacturer's Field Reports

(1) Documentation of the testing and verification actions taken by manufacturer's representative at the job site, in the vicinity of the job site, or on a sample taken from the job site, on a portion of the work, during or after installation, to confirm compliance with manufacturer's standards or instructions. The documentation must be signed by an authorized official of a testing laboratory or agency and must state the test results; and indicate whether the material, product, or system has passed or failed the test.

(2) Factory test reports.

j. SD-10 Operation and Maintenance Data

(1) Data that is furnished by the manufacturer, or the system provider, to the equipment operating and maintenance personnel. This data is needed by operating and maintenance personnel for the safe and efficient operation, maintenance and repair of the item.

(2) This Data is intended to be incorporated in an operations and maintenance manual or control system.

k. SD-11 Closeout Submittals

(1) Documentation to record compliance with technical or administrative requirements or to establish an administrative mechanism.

(2) Special requirements necessary to properly close out a construction contract. For example, Record Drawings, manufacturer's help and product lines necessary to maintain and install equipment. Also, submittal requirements necessary to properly close out a major phase of construction on a multi-phase contract.

(3) Recovered Materials Estimate and Certification Form (RMECEF) listing all Environmental Protection Agency (EPA) Comprehensive Procurement Guide (CPG) recovered materials used during the execution of the contract.

1.1.1.2 Approving Authority

a. Office or designated person authorized to approve submittal.

1.1.1.3 Work

a. As used in this section, on- and off-site construction required by contract documents, including labor necessary to produce submittals, construction, materials, products, equipment, and systems incorporated or to be incorporated in such construction.

1.2 SUBMITTALS

1.2.1 Engineer approval is required on the following items:

1.2.1.1 SD-01 Preconstruction Submittals

a. Submittal register

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1.3 SUBMITTAL REGISTER

1.3.1 Prepare and maintain submittal register, as the work progresses.

1.3.1.1 The items shall be separated by Construction Specifications Index (CSI) division (2-48). The numbering of the items in each division will start at 1 and ascend for each subsequent item. For example, the third item on the Submittal Register in Division 16 would be 16-3, and the thirteenth item in Division 4 would be 4-13.

1.4 STANDARD PRODUCTS

1.4.1 Materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacturing of such products, which are of a similar material, design and workmanship. All products shall be new unless otherwise directed.

1.5 SUBMITTAL REQUIREMENTS

1.5.1 The Contractor shall submit to the Engineer, all items listed or specified for each proposal within 10 working days after award, or as otherwise established or directed by the Engineer. The Engineer may request submittals in addition to those listed when deemed necessary to adequately describe the work covered in the respective sections. Submittals pertinent to materials and equipment that are subject to advance approval shall be scheduled and made prior to the acquisition or the delivery thereof. Each submittal shall be complete and in sufficient detail for ready determination of compliance with the contract requirements. Submittals shall include such items as: project schedule, descriptive literature (i.e. catalog cuts, diagrams, operation charts/data); test reports; certificates of compliance; actual material sample; fabricator's drawings; shop drawings; operation and maintenance (O&M) manuals including parts lists, certifications, warranties and other such required submittals.

1.6 PROCEDURES FOR SUBMISSION

1.6.1 Special care should be exercised to ensure proper listing of the specification/drawing reference pertinent for each item submitted. A minimum of one original and two copies of the submittal will be provided by the Contractor to the Engineer unless otherwise specified.

1.6.1.1 Variations: Variations from contract requirements require Owner approval and will be considered where advantageous to Owner.

1.6.1.2 Proposing Variations: When proposing variation, deliver written request to the Engineer, with documentation of the nature and features of the variation and why the variation is desirable and beneficial to Owner. If lower cost is a benefit, also include an estimate of the cost saving. In addition to documentation required for variation, include the submittals required for the item. Clearly mark the proposed variation in all documentation. When delivering a variation for approval, Contractor warrants that this contract has been reviewed to establish that the variation, if incorporated, will be compatible with other elements of work.

1.7 CONTRACTOR'S RESPONSIBILITIES

1.7.1 Determine and verify field measurements, materials, field construction criteria; review each

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submittal; and check and coordinate each submittal with requirements of the work and contract documents.

1.7.2 Correct and resubmit submittal as directed by approving authority. When resubmitting disapproved transmittals or transmittals noted for resubmittal, the Contractor shall provide copy of that previously submitted transmittal including all reviewer comments for use by approving authority. Direct specific attention in writing or on resubmitted submittal, to revisions not requested by approving authority on previous submissions.

1.7.3 Furnish additional copies of submittal when requested by Engineer, to a limit of 10 copies per submittal.

1.7.4 The Contractors Quality Control Officer will certify submittals forwarded to Engineer with the following statement:

"I hereby certify that the (equipment) (material) (article) shown and marked in this submittal is that proposed to be incorporated with contract Number _____, is in compliance with the contract drawings and specification, can be installed in the allocated spaces, and is submitted for Owner approval. Certified by Submittal Reviewer _____________________, Date _______ (Signature when applicable) Certified by QC Officer _____________________________, Date ______" (Signature)

1.7.5 Ensure no work has begun until submittals for that work have been returned as "approved," or "approved as noted", except to the extent that a portion of work must be accomplished as basis of submittal.

1.8 OWNER ACTIONS

1.8.1 The Engineer will note date on which submittal was received and identify returned submittals with one of the actions defined in paragraph entitled "Actions Possible" and with markings appropriate for action indicated.

1.8.1.1 Actions Possible

a. Submittals marked "not reviewed" will indicate one of the following:

(1) Submittal has been previously reviewed and approved.

(2) Submittal is not required.

(3) Submittal does not have evidence of being reviewed and approved by Contractor.

(4) Submittal is not complete.

b. A submittal marked "not reviewed" will be returned with an explanation of the reason it is not reviewed. Resubmit submittals returned for lack of review by Contractor or for being incomplete, with appropriate action, coordination, or change.

c. Submittals marked "approved" "approved as submitted" authorize Contractor to proceed with work covered.

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d. Submittals marked "approved as noted" or "approval except as noted; resubmission not required" authorize Contractor to proceed with work as noted provided Contractor takes no exception to the notations.

e. Submittals marked "revise and resubmit" or "disapproved" indicate submittal is incomplete or does not comply with design concept or requirements of the contract documents and shall be resubmitted with appropriate changes. No work shall proceed for this item until resubmittal is approved.

1.9 FORMAT OF SUBMITTALS

1.9.1 Identifying Submittals

1.9.1.1 Identify submittals, except sample panel and sample installation, with the following information permanently adhered to or noted on each separate component of each submittal and noted on transmittal form. Mark each copy of each submittal identically, with the following:

a. Project title and location.

b. Construction contract number.

c. Section number of the specification section by which submittal is required.

d. Submittal description (SD) number of each component of submittal.

e. Resubmittals shall maintain the same original number with an alpha indicator in parentheses following it. This alpha indicator will start with (A) and continue through the alphabet for further resubmittals. For example, if the original submission number was 500, the first resubmittal would be numbered 500(A), and the second resubmittal would be numbered 500(B).

f. Name, address, and telephone number of subcontractor, supplier, manufacturer and any other second tier Contractor associated with submittal.

g. Product identification and location in project.

1.9.2 Format for SD-02 Shop Drawings

1.9.2.1 Shop drawings shall not be less than A4 (8-1/2 by 11 inches) or more than AO (30 by 42 inches).

1.9.2.2 Present A4 (8-1/2 by 11 inches) sized shop drawings as part of the bound volume for submittals required by section. Present larger drawings in sets.

1.9.2.3 Include on each drawing the drawing title, project number, date, and revision numbers and dates, in addition to information required in paragraph entitled "Identifying Submittals."

1.9.2.4 Dimension drawings, except diagrams and schematic drawings; prepare drawings demonstrating interface with other trades to scale. Shop drawing dimensions shall be the same unit of measure as indicated on the contract drawings. Identify materials and products for work shown.

1.9.2.5 Drawings shall include the nameplate data, size and capacity. Also include applicable federal, military, industry and technical society publication references.

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1.9.3 Format of SD-03 Product Data and SD-08 Manufacturer's Instruction

1.9.3.1 Present product data submittals for each section as a complete, bound volume. Include table of contents, listing page and catalog item numbers for product data.

1.9.3.2 Indicate, by prominent notation, each product which is being submitted; indicate specification section number and paragraph number to which it pertains.

1.9.3.3 Supplement product data with material prepared for project to satisfy submittal requirements for which product data does not exist. Identify this material as developed specifically for project, with information and format as required for submission of SD-07 Certificates.

1.9.3.4 Product data shall include the manufacturer's name, trade name, place of manufacture, and catalog model or number. Submittals shall also include applicable federal, military, industry and technical society publication references. Should manufacturer's data require supplemental information for clarification, the supplemental information shall be submitted as specified for SD-07 Certificates.

1.9.3.5 Where equipment or materials are specified to conform to industry and technical society reference standards of the organizations such as American National Standards Institute (ANSI), ASTM International (ASTM), National Electrical Manufacturer's Association (NEMA), Underwriters Laboratories (UL), and Association of Edison Illuminating Companies (AEIC), submit proof of such compliance. The label or listing by the specified organization will be acceptable evidence of compliance. In lieu of the label or listing, submit a certificate from an independent testing organization, competent to perform testing, and approved by the Contracting Officer. The certificate shall state that the item has been tested in accordance with the specified organization's test methods and that the item complies with the specified organization's reference standard.

1.9.3.6 Submit manufacturer's instruction prior to installation.

1.9.4 Format of SD-04 Samples

1.9.4.1 Furnish samples in sizes below, unless otherwise specified or unless the manufacturer has prepackaged samples of approximately same size as specified:

a. Sample of Equipment or Device: Full size.

b. Sample of Materials Less Than 2 by 3 inches: Built up to A4 8-1/2 by 11 inches.

c. Sample of Materials Exceeding A4 8-1/2 by 11 inches: Cut down to A4 8-1/2 by 11 inches if adequate to indicate color, texture, and material variations.

d. Sample of Linear Devices or Materials: 10 inch length or length to be supplied, if less than 10 inches. Examples of linear devices or materials are conduit and handrails.

e. Sample of Non-Solid Materials: Pint. Examples of non-solid materials are sand and paint.

f. Color Selection Samples: 2 by 4 inches.

g. Sample Panel: 4 by 4 feet.

h. Sample Installation: 100 square feet.

1.9.4.2 Samples Showing Range of Variation: Where variations are unavoidable due to nature of the

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materials, submit sets of samples of not less than three units showing extremes and middle of range.

1.9.4.3 Reusable Samples: Incorporate returned samples into work only if so specified or indicated. Incorporated samples shall be in undamaged condition at time of use.

1.9.4.4 Recording of Sample Installation: Note and preserve the notation of area constituting sample installation but remove notation at final clean up of project.

1.9.4.5 When color, texture or pattern is specified by naming a particular manufacturer and style, include one sample of that manufacturer and style, for comparison.

1.9.5 Format of SD-05 Design Data and SD-07 Certificates

1.9.5.1 Provide design data and certificates on 8-1/2 by 11 inches paper. Provide a bound volume for submittals containing numerous pages.

1.9.6 Format of SD-06 Test Reports and SD-09 Manufacturer's Field Reports

1.9.6.1 Provide reports on 8-1/2 by 11 inches paper in a complete bound volume.

1.9.6.2 Indicate by prominent notation, each report in the submittal. Indicate specification number and paragraph number to which it pertains.

1.9.7 1.10.7 Format of SD-10 Operation and Maintenance Data (O&M)

1.9.7.1 O&M Data format shall comply with the requirements specified in Section 01 78 23 Operation And Maintenance Data

1.9.8 Format of SD-01 Preconstruction Submittals and SD-11 Closeout Submittals

1.9.8.1 When submittal includes a document which is to be used in project or become part of project record, other than as a submittal, do not apply Contractor's approval stamp to document, but to a separate sheet accompanying document.

1.10 QUANTITY OF SUBMITTALS

1.10.1 Number of Copies of SD-02 Shop Drawings

1.10.1.1 Submit three (3) or as specified on the Submittal Register.

1.10.2 Number of Copies of SD-03 Product Data and SD-08 Manufacturer's Instructions

1.10.2.1 Submit in compliance with quantity requirements specified for shop drawings.

1.10.3 Number of Samples SD-04 Samples

1.10.3.1 Submit two samples, or two sets of samples showing range of variation, of each required item. One approved sample or set of samples will be retained by approving authority and one will be returned to Contractor.

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1.10.3.2 Submit one sample panel. Include components listed in technical section or as directed.

1.10.3.3 Submit one sample installation, where directed.

1.10.3.4 Submit one sample of non-solid materials.

1.10.4 Number of Copies SD-05 Design Data and SD-07 Certificates

1.10.4.1 Submit in compliance with quantity requirements specified for shop drawings.

1.10.5 Number of Copies SD-06 Test Reports and SD-09 Manufacturer's Field Reports

1.10.5.1 Submit in compliance with quantity with quality requirements specified for shop drawings.

1.10.6 Number of Copies of SD-10 Operation and Maintenance Data

1.10.6.1 Submit three copies of O&M Data to the Contracting Officer for review and approval.

1.10.7 Number of Copies of SD-01 Preconstruction Submittals and SD-11 Closeout Submittals.

1.10.7.1 Unless otherwise specified, submit administrative submittals in compliance with quantity requirements specified for shop drawings.

1.11 APPROVED SUBMITTALS

1.11.1 The Engineer's approval of submittals shall not be construed as a complete check, but will indicate only that the general method of construction, materials, detailing and other information are satisfactory, and the design, general method of construction, materials, detailing and other information appear to meet the Solicitation and Accepted Proposal. Approval will not relieve the Contractor of the responsibility for any error which may exist, as the Contractor under the Contractor Quality Control (CQC) requirements of this contract is responsible for design, dimensions, all design extensions, such as the design of adequate connections and details, etc., and the satisfactory construction of all work. After submittals have been approved by the Engineer, no resubmittal for the purpose of substituting materials or equipment will be considered unless accompanied by an explanation of why a substitution is necessary.

1.12 DISAPPROVED SUBMITTALS

1.12.1 The Contractor shall make all corrections required by the Engineer and promptly furnish a corrected submittal in the form and number of copies specified for the initial submittal. If the Contractor considers any correction indicated on the submittals to constitute a change to the contract, a notice in accordance with the Contract Clause "Changes" shall be given promptly to the Engineer.

1.13 WITHHOLDING OF PAYMENT

1.13.1 Payment for materials incorporated in the work will not be made if required approvals have not been obtained.

01 33 00-10

1.14 GENERAL

1.14.1 The Contractor shall make submittals as required by the Statement of Work. The Engineer may request submittals in addition to those specified when deemed necessary to adequately describe the work covered in the respective sections. Units of weights and measures used on all submittals shall be the same as those used in the contract drawings. Each submittal shall be complete and in sufficient detail to allow ready determination of compliance with contract requirements. Prior to submittal, all items shall be checked and approved by the Contractor's Quality Control Officer (QCO), and each item shall be stamped, signed, and dated by the QCO indicating action taken. Proposed deviations from the contract requirements shall be clearly identified

1.15 SCHEDULING

1.15.1 Submittals covering component items forming a system or items that are interrelated shall be scheduled to be coordinated and submitted concurrently. Certifications to be submitted with the pertinent drawings shall be so scheduled. No delay damages or time extensions will be allowed for time lost in late submittals.

PART 2 PRODUCTS Not Used

PART 3 EXECUTION Not Used

END OF SECTION 01 33 00

01 78 23-1

SECTION 01 78 23 OPERATION AND MAINTENANCE DATA

PART 1 GENERAL

1.1 REFERENCES

1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

1.1.1.1 ASTM INTERNATIONAL (ASTM)

a. ASTM E 1971 Stewardship for the Cleaning of Commercial and Institutional Buildings

1.2 SUBMISSION OF OPERATION AND MAINTENANCE DATA

1.2.1 Submit Operation and Maintenance (O&M) Data specifically applicable to this contract and a complete and concise depiction of the provided equipment, product, or system, stressing and enhancing the importance of system interactions, troubleshooting, and long-term preventative maintenance and operation. The subcontractors shall compile and prepare data and deliver to the Contractor prior to the training of Owner personnel. The Contractor shall compile and prepare aggregate O&M data including clarifying and updating the original sequences of operation to as-built conditions. Organize and present information in sufficient detail to clearly explain O&M requirements at the system, equipment, component, and subassembly level. Include an index preceding each submittal. Submit in accordance with this section and Section 01 33 00 Submittal Procedures.

1.2.2 Package Quality

1.2.2.1 Documents must be fully legible. Poor quality copies and material with hole punches obliterating the text or drawings will not be accepted.

1.2.3 Package Content

1.2.3.1 Data package content shall be as shown in the paragraph titled "Schedule of Operation and Maintenance Data Packages." Comply with the data package requirements specified in the individual technical sections, including the content of the packages and addressing each product, component, and system designated for data package submission, except as follows. Commissioned items without a specified data package requirement in the individual technical sections shall use Data Package 4.

1.2.4 Changes to Submittals

1.2.4.1 Manufacturer-originated changes or revisions to submitted data shall be furnished by the Contractor if a component of an item is so affected subsequent to acceptance of the O&M Data. Changes, additions, or revisions required by the Engineer for final acceptance of submitted data, shall be submitted by the Contractor within 30 calendar days of the notification of this change requirement.

01 78 23-2

1.2.5 Review and Approval

1.2.5.1 The Contractor's Commissioning Authority (CA) shall review the commissioned systems and equipment submittals for completeness and applicability. The CA shall verify that the systems and equipment provided meet the requirements of the Contract documents and design intent, particularly as they relate to functionality, energy performance, water performance, maintainability, sustainability, system cost, indoor environmental quality, and local environmental impacts. The CA shall communicate deficiencies to the Engineer. Upon a successful review of the corrections, the CA shall recommend approval and acceptance of these O&M manuals to the Engineer. This work shall be in addition to the normal review procedures for O&M data.

1.3 TYPES OF INFORMATION REQUIRED IN O&M DATA PACKAGES

1.3.1 Operating Instructions

1.3.1.1 Include specific instructions, procedures, and illustrations for the following phases of operation for the installed model and features of each system:

a. Safety Precautions

(1) List personnel hazards and equipment or product safety precautions for all operating conditions.

b. Operator Prestart

(1) Include procedures required to install, set up, and prepare each system for use.

c. Startup, Shutdown, and Post-Shutdown Procedures

(1) Provide narrative description for Startup, Shutdown and Post-shutdown operating procedures including the control sequence for each procedure.

d. Normal Operations

(1) Provide narrative description of Normal Operating Procedures. Include Control Diagrams with data to explain operation and control of systems and specific equipment.

e. Emergency Operations

(1) Include Emergency Procedures for equipment malfunctions to permit a short period of continued operation or to shut down the equipment to prevent further damage to systems and equipment. Include Emergency Shutdown Instructions for fire, explosion, spills, or other foreseeable contingencies. Provide guidance and procedures for emergency operation of all utility systems including required valve positions, valve locations and zones or portions of systems controlled.

f. Operator Service Requirements

(1) Include instructions for services to be performed by the operator such as lubrication, adjustment, inspection, and recording gage readings.

g. Environmental Conditions

(1) Include a list of Environmental Conditions (temperature, humidity, and other relevant data) that are best suited for the operation of each product, component or system. Describe conditions under which the item equipment should not be allowed to run.

01 78 23-3

1.3.2 Preventive Maintenance

1.3.2.1 Include the following information for preventive and scheduled maintenance to minimize corrective maintenance and repair for the installed model and features of each system. Include potential environmental and indoor air quality impacts of recommended maintenance procedures and materials.

a. Lubrication Data

(1) Include preventative maintenance lubrication data, in addition to instructions for lubrication provided under paragraph titled "Operator Service Requirements":

(a) A table showing recommended lubricants for specific temperature ranges and applications.

(b) Charts with a schematic diagram of the equipment showing lubrication points, recommended types and grades of lubricants, and capacities.

(c) A Lubrication Schedule showing service interval frequency.

b. Preventive Maintenance Plan and Schedule

(1) Include manufacturer's schedule for routine preventive maintenance, inspections, tests and adjustments required to ensure proper and economical operation and to minimize corrective maintenance. Provide manufacturer's projection of preventive maintenance work-hours on a daily, weekly, monthly, and annual basis including craft requirements by type of craft. For periodic calibrations, provide manufacturer's specified frequency and procedures for each separate operation.

c. Cleaning Recommendations

(1) Provide environmentally preferable cleaning recommendations in accordance with ASTM E 1971.

1.3.3 Corrective Maintenance (Repair)

1.3.3.1 Include manufacturer's recommended procedures and instructions for correcting problems and making repairs for the installed model and features of each system. Include potential environmental and indoor air quality impacts of recommended maintenance procedures and materials.

a. Troubleshooting Guides and Diagnostic Techniques

(1) Include step-by-step procedures to promptly isolate the cause of typical malfunctions. Describe clearly why the checkout is performed and what conditions are to be sought. Identify tests or inspections and test equipment required to determine whether parts and equipment may be reused or require replacement.

b. Wiring Diagrams and Control Diagrams

(1) Wiring diagrams and control diagrams shall be point-to-point drawings of wiring and control circuits including factory-field interfaces. Provide a complete and accurate depiction of the actual job specific wiring and control work. On diagrams, number electrical and electronic wiring and pneumatic control tubing and the terminals for each type, identically to actual installation configuration and numbering.

c. Maintenance and Repair Procedures

(1) Include instructions and a list of tools required to repair or restore the product or equipment

01 78 23-4

to proper condition or operating standards.

d. Removal and Replacement Instructions

(1) Include step-by-step procedures and a list required tools and supplies for removal, replacement, disassembly, and assembly of components, assemblies, subassemblies, accessories, and attachments. Provide tolerances, dimensions, settings and adjustments required. Instructions shall include a combination of text and illustrations.

e. Spare Parts and Supply Lists

(1) Include lists of spare parts and supplies required for maintenance and repair to ensure continued service or operation without unreasonable delays. Special consideration is required for facilities at remote locations. List spare parts and supplies that have a long lead-time to obtain.

1.3.4 Corrective Maintenance Work-Hours

1.3.4.1 Include manufacturer's projection of corrective maintenance work-hours including requirements by type of craft. Corrective maintenance that requires completion or participation of the equipment manufacturer shall be identified and tabulated separately.

1.3.5 Appendices

1.3.5.1 Provide information required below and information not specified in the preceding paragraphs but pertinent to the maintenance or operation of the product or equipment. Include the following:

a. Product Submittal Data

(1) Provide a copy of all SD-03 Product Data submittals required in the applicable technical sections.

b. Manufacturer's Instructions

(1) Provide a copy of all SD-08 Manufacturer's Instructions submittals required in the applicable technical sections.

c. O&M Submittal Data

(1) Provide a copy of all SD-10 Operation and Maintenance Data submittals required in the applicable technical sections.

d. Parts Identification

(1) Provide identification and coverage for all parts of each component, assembly, subassembly, and accessory of the end items subject to replacement. Include special hardware requirements, such as requirement to use high-strength bolts and nuts. Identify parts by make, model, serial number, and source of supply to allow reordering without further identification. Provide clear and legible illustrations, drawings, and exploded views to enable easy identification of the items. When illustrations omit the part numbers and description, both the illustrations and separate listing shall show the index, reference, or key number that will cross-reference the illustrated part to the listed part. Parts shown in the listings shall be grouped by components, assemblies, and subassemblies in accordance with the manufacturer's standard practice. Parts data may cover more than one model or series of equipment, components, assemblies, subassemblies, attachments, or accessories, such as typically shown in a master parts catalog

01 78 23-5

e. Warranty Information

(1) List and explain the various warranties and clearly identify the servicing and technical precautions prescribed by the manufacturers or contract documents in order to keep warranties in force. Include warranty information for primary components such as the compressor of air conditioning system.

f. Personnel Training Requirements

(1) Provide information available from the manufacturers that are needed for use in training designated personnel to properly operate and maintain the equipment and systems.

g. Testing Equipment and Special Tool Information

(1) Include information on test equipment required to perform specified tests and on special tools needed for the operation, maintenance, and repair of components.

h. Testing and Performance Data

(1) Include completed pre-functional checklists, functional performance test forms, and monitoring reports. Include recommended schedule for retesting and blank test forms.

i. Contractor Information

(1) Provide a list that includes the name, address, and telephone number of the General Contractor and each Subcontractor who installed the product or equipment, or system. For each item, also provide the name address and telephone number of the manufacturer's representative and service organization that can provide replacements most convenient to the project site. Provide the name, address, and telephone number of the product, equipment, and system manufacturers.

1.4 TYPES OF INFORMATION REQUIRED IN CONTROLS O&M DATA PACKAGES

1.4.1 Include Data Package 5 and the following for control systems:

1.4.1.1 Narrative description on how to perform and apply all functions, features, modes, and other operations, including unoccupied operation, seasonal changeover, manual operation, and alarms. Include detailed technical manual for programming and customizing control loops and algorithms.

1.4.1.2 Full as-built sequence of operations.

1.4.1.3 Copies of all checkout tests and calibrations performed by the Contractor (not Cx tests).

1.4.1.4 Full points list. A listing of rooms shall be provided with the following information for each room:

a. Floor

b. Room number

c. Room name

d. Air handler unit ID

e. Reference drawing number

f. Air terminal unit tag ID

01 78 23-6

g. Heating and/or cooling valve tag ID

h. Minimum cfm

i. Maximum cfm

1.4.1.5 Full print out of all schedules and set points after testing and acceptance of the system.

1.4.1.6 Full as-built print out of software program.

1.4.1.7 Electronic copy on disk or CD of the entire program for this facility.

1.4.1.8 Marking of all system sensors and thermostats on the as-built floor plan and mechanical drawings with their control system designations.

1.5 SCHEDULE OF OPERATION AND MAINTENANCE DATA PACKAGES

1.5.1 Furnish the O&M data packages specified in individual technical sections. The required information for each O&M data package is as follows:

1.5.1.1 Data Package 1

a. Safety precautions

b. Cleaning recommendations

c. Maintenance and repair procedures

d. Warranty information

e. Contractor information

f. Spare parts and supply list

1.5.1.2 Data Package 2

a. Safety precautions

b. Normal operations

c. Environmental conditions

d. Lubrication data

e. Preventive maintenance plan and schedule

f. Cleaning recommendations

g. Maintenance and repair procedures

h. Removal and replacement instructions

i. Spare parts and supply list

j. Parts identification

k. Warranty information

l. Contractor information

1.5.1.3 Data Package 3

01 78 23-7

a. Safety precautions

b. Operator prestart

c. Startup, shutdown, and post-shutdown procedures

d. Normal operations

e. Emergency operations

f. Environmental conditions

g. Lubrication data

h. Preventive maintenance plan and schedule

i. Cleaning recommendations

j. Troubleshooting guides and diagnostic techniques

k. Wiring diagrams and control diagrams

l. Maintenance and repair procedures

m. Removal and replacement instructions

n. Spare parts and supply list

o. Product submittal data

p. O&M submittal data

q. Parts identification

r. Warranty information

s. Testing equipment and special tool information

t. Testing and performance data

u. Contractor information

1.5.1.4 Data Package 4

a. Safety precautions

b. Operator prestart

c. Startup, shutdown, and post-shutdown procedures

d. Normal operations

e. Emergency operations

f. Operator service requirements

g. Environmental conditions

h. Lubrication data

i. Preventive maintenance plan and schedule

j. Cleaning recommendations

k. Troubleshooting guides and diagnostic techniques

l. Wiring diagrams and control diagrams

01 78 23-8

m. Maintenance and repair procedures

n. Removal and replacement instructions

o. Spare parts and supply list

p. Corrective maintenance man-hours

q. Product submittal data

r. O&M submittal data

s. Parts identification

t. Warranty information

u. Personnel training requirements

v. Testing equipment and special tool information

w. Testing and performance data

x. Contractor information

1.5.1.5 Data Package 5

a. Safety precautions

b. Operator prestart

c. Start-up, shutdown, and post-shutdown procedures

d. Normal operations

e. Environmental conditions

f. Preventive maintenance plan and schedule

g. Troubleshooting guides and diagnostic techniques

h. Wiring and control diagrams

i. Maintenance and repair procedures

j. Removal and replacement instructions

k. Spare parts and supply list

l. Product submittal data

m. Manufacturer's instructions

n. O&M submittal data

o. Parts identification

p. Testing equipment and special tool information

q. Warranty information

r. Testing and performance data

s. Contractor information

01 78 23-9

PART 2 PRODUCTS Not Used

PART 3 EXECUTION Not Used

END OF SECTION 01 78 23

13 30 13-1

SECTION 13 30 13

WIRE-WOUND, PRESTRESSSED CONCRETE TANK WITH STEEL DIAPHRAGM

PART 1 GENERAL 1.01 DESCRIPTION A. Work Included

1. This section specifies the design and construction of the precast, wire-wound, prestressed, concrete circular tank with steel diaphragm complete; including all site work, excavation, reinforcing, concrete work, appurtenances, disinfection, testing, and backfill directly related to the tank unless otherwise specified.

2. The Contractor shall furnish all labor, materials, tools, and equipment necessary

to construct, disinfect and test the wire-wound, prestressed concrete tank and appurtenances as indicated on the drawings, and as specified.

B. Related Work Described Elsewhere

1. Earthwork

2. Site Piping C. Description of System

The tank shall consist of a cast-in-place reinforced concrete floor, a precast wire-wound prestressed concrete wall with a continuous mechanically bonded steel diaphragm, and a precast or cast-in-place prestressed clear span concrete dome with no interior columns.

1.02 QUALITY ASSURANCE A. Qualifications and Experience

1. Singular Responsibility: It is the intent of the specification to create singular responsibility for the design and construction of the prestressed concrete tank. The design and construction of all aspects of the foundation, floor slab, wall, prestressing, shotcrete, and dome roof of the prestressed concrete tank must be performed by the tank contractor. The tank contractor may subcontract labor for reinforcing steel installation and for concrete slab placement under the tank contractors direct supervision.

2. All tank work shall be performed by a company that specializes in the design and

construction of precast, wire-wound prestressed concrete tanks using the method of circumferential prestress wire reinforcing and with proven capability of meeting all the requirements of these specifications. No company is considered qualified unless it has designed and built in its own name at least twenty precast, wire-wound prestressed concrete tanks conforming to AWWA D110, Type III in

13 30 13-2

the last ten years. At least ten of the above tanks shall have been in successful service for a minimum of five years.

3. The tank contractor shall have in its employ a design engineer with a minimum

of ten years experience in the design of AWWA D110 Type III tanks. The design engineer shall have been the engineer of record for a minimum of ten AWWA D110 Type III tanks.

4. The tank contractor shall have in its employ for this project a team consisting of a

tank superintendent, project manager, shotcrete foreman, wire-winding foreman, and precast erection foreman, each of whom shall have constructed a minimum of five (5) AWWA D110 Type III tanks having a capacity of 1.0 MG or greater.

5. Experience in the design and construction of AWWA D110 Type I, Type II, or

Type IV tanks is not acceptable. 6. The plans and specifications included in the contract documents are typical of an

AWWA D110, Type III wire wound, prestressed concrete tank.

7. DN Tank, Wakefield, Massachusetts, and, Preload, Inc., Hauppauge, New York are prequalified for precast, wire-wound prestressed, concrete tank construction.

B. Codes & Standards

1. ACI 301 Specifications for Structural Concrete

2. ACI 305 Hot Weather Concreting

3. ACI 306 Cold Weather Concreting

4. ACI 309R Guide for Consolidation of Concrete

5. ACI 318 Building Code Requirements for Reinforced Concrete and Commentary

6. ACI 350 Code Requirements for Environmental Engineering Concrete Structures and Commentary

7. ACI 350.3 Seismic Design of Liquid Containing Concrete Structures and

Commentary

8. ACI 372R Design and Construction of Circular Wire- and Strand Wrapped Prestressed Concrete Structures

9. ACI 506R Guide to Shotcrete

10. ASTM A185 Standard Specification for Steel Welded Wire Reinforcement,

Plain, for Concrete

11. ASTM A416 Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

13 30 13-3

12. ASTM A475 Standard Specification for Zinc-Coated Steel Wire Strand

13. ASTM A615/A615M Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

14. ASTM A821 Standard Specification for Steel Wire, Hard Drawn for Prestressing

Concrete Tanks

15. ASTM A1008/A1008M Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable

16. ASTM C31 Standard Practice for Making and Curing Concrete Test Specimens

in the Field

17. ASTM C33 Standard Specification for Concrete Aggregates

18. ASTM C39 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

19. ASTM C618, Type F Standard Specification for Coal Fly Ash and Raw or

Calcined Natural Pozzolan for Use in Concrete

20. ASTM C920 Specification for Elastomeric Joint Sealants

21. ASTM D1056 Standard Specification for Flexible Cellular Materials Sponge or Expanded Rubber

22. ASTM D1556 Standard Test Method for Density and Unit Weight of Soil in

Place by the Sand-Cone Method

23. ASTM D1557 Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 Ft. lbf/ft3) 2700 KN-M/M3)

24. ASTM D2000 Classification System for Rubber Products in Automotive

Applications

25. ASCE Standard 7-05 Minimum Design Loads for Buildings and Other Structures

26. AWWA C652 Standard for Disinfection of Water-Storage Facilities

27. AWWA D110-04 Wire and Strand Wound, Circular, Prestressed Concrete Water Tanks, Type III

28. US Army Corps of Engineers Specification CRD-C-572, Specification for PVC

Waterstop C. Design Criteria

1. The prestressed concrete tank shall be designed and constructed in accordance with the provisions of AWWA D110 Standard for Wire Wound Circular

13 30 13-4

Prestressed-Concrete Water Tanks, Type III: Precast Concrete with a Steel Diaphragm.

2. Horizontal prestressing shall be continuous. Discontinuous prestressing tendons

or strands will not be allowed.

3. The Contractor shall use the following loadings and requirements in the design calculation:

a. Capacity: 0.5 million gallons (Sundance Tank); 2.0 million gallons (Frank

Road Tank).

b. Dimensions: 55.1-feet inside diameter x 28.0-feet water depth (Sundance Tank); 106.5-feet inside diameter x 30.0-feet water depth (Frank Road Tank).

c. Dead Load: shall be the estimated weight of all permanent imposed loads.

Unit weight of concrete 150 pounds per cubic foot; steel 490 pounds per cubic foot.

d. Live Load: shall be the weight of all the liquid when the reservoir is filled to

overflowing. Unit weight of liquid 62.4 pounds per cubic foot.

e. Total Roof Live Load: 40 PSF.

f. Backfill Pressure: earth loads shall be determined by rational methods of soil mechanics. Backfill pressure shall not be used to reduce the amount of required prestressing.

g. Foundation Loads: the tank foundation shall be proportioned so that soil

pressure shall be less than the soil bearing capacity. The allowable soil bearing capacity is 3,000 psf (refer to Geotechnical Report for each tank).

h. Seismic Criteria:

i. AWWA D110 Seismic Zone 1.

i. Wind Loads: shall be as required by ASCE 7-05

j. Vent Capacity Requirements:

i. Maximum fill rate = 10 mgd.

ii. Maximum draw down rate = 10 mgd.

k. Overflow Design Capacity = 10 mgd.

4. The precast, wire-wound prestressed tank wall shall be designed as a composite

concrete wall with an embedded mechanically bonded steel diaphragm in combination with vertical mild steel reinforcement.

13 30 13-5

a. The prestressed tank wall shall be considered as a cylindrical shell with partial edge restraint.

b. The prestressed tank wall shall be reinforced vertically by deformed steel

reinforcing rods. The continuous mechanically bonded steel diaphragm can be taken as effective vertical reinforcing.

c. The prestressed tank wall shall be of precast construction. Shotcrete or cast-

in-place concrete core walls are not permitted.

d. A stress plate shall be required at all above grade locations where prestress wires are displaced 24 inches or greater. The stress plate shall be designed to transfer stress across the opening.

e. Minimum precast wall thickness shall be four inches.

f. No reduction in ring compression or tension in the wall will be taken due to

restraint at the bottom.

5. The floor slab shall be designed as a membrane floor not less than four inches thick and shall be placed monolithically. No construction joints will be allowed unless otherwise approved by the engineer. Minimum ratio of floor reinforcement area to concrete area shall be 0.5 percent for tanks with diameters less than 100 feet, 0.6 percent for tanks with diameters 100 to 150 feet, and 0.8 percent for tanks with diameters over 150 feet. Wall footings may be above or below floor grade, but shall be placed monolithically with the floor.

6. The dome roof shall have a rise to span ratio within the range of 1:8 to 1:14. The

minimum concrete thickness shall be four inches for a precast dome and three inches for a cast-in-place dome. The dome shall be fixed to the tank wall. Columns or interior supports will not be allowed. Dome design shall be based on elastic spherical shell analysis.

1.03 SUBMITTALS A. Design Submittal after Execution of Contract

1. Design calculations and shop drawings in quadruplicate, showing details and procedures of construction, shall be submitted to the Engineer for approval after execution of the Contract. After approval by the Engineer, one set of the drawings and calculations will be returned to the Contractor, and any changes found necessary by the Engineer shall be made by the Contractor.

2. Approval by the Engineer of the drawings and calculations submitted by the Contractor

will not in any way relieve the Contractor of full responsibility for the accuracy and completeness of the drawings and calculations.

3. Design calculations and shop drawings shall be stamped by a Professional Engineer

experienced in the design of AWWA D110, Type III wire-wound, prestressed concrete tanks and registered in the state of Colorado.

13 30 13-6

B. Construction Submittals for Review Prior to Use

1. Design proportions for all concrete and shotcrete. Concrete strengths of trial mixes.

2. Admixtures to be used in the concrete or shotcrete and their purpose.

3. Reinforcing steel shop drawings showing fabrication and placement.

4. Catalog cuts or shop drawings of all appurtenances, i.e. hatch, vent, ladders, waterstops. 1.04 GUARANTEE

The Contractor shall guarantee the structure against defective materials or workmanship for a period of two years from the date of completion. If any materials or workmanship prove to be defective within one year, they shall be replaced or repaired by the Contractor at the Contractors expense.

The tank contractor shall warrant its design of the proposed tank structure to be structurally and functionally suitable to serve the intended use of the projected work. Such intended use is exemplified by the criteria of design, workmanship, and material expressed by the requirements of the specifications and drawings prepared by the Engineer. The Owner's or Engineer's review of the tank contractor's design, or the Owner's acceptance and final payment for the work shall not relieve the tank contractor of design responsibility. The Owner shall be the direct beneficiary of the warranty.

PART 2 MATERIAL 2.01 CONCRETE

A. Concrete shall conform to ACI 301.

B. Cement shall be Portland cement Type I or Type II.

C. Admixtures, other than air-entraining and water reducing admixtures, will not be permitted unless approved by the Engineer.

D. Concrete for tank wall and dome construction shall have a minimum compressive

strength of 4,000 psi at 28 days. All precast wall and dome concrete shall be air-entrained.

E. Concrete for the tank floor, footings, pipe encasement, and all other work shall

have a minimum compressive strength of 3,500 psi at 28 days and shall not be air-entrained. The course and fine aggregate shall meet the requirements of ASTM C33. Course aggregate shall be No. 467 with 100 percent passing the 1 inch sieve. Superplasticizer and water-reducing admixtures shall be incorporated into the floor concrete. Fibers shall be Microfiber by Grace, Fibermesh 150 by Propex, or equal. Fiber lengths shall be a maximum of inches. The amount of polypropylene fibers added to the concrete mix shall conform to the manufacturers recommendations.

F. Proportioning for concrete shall be in accordance with ACI 301.

13 30 13-7

G. Concrete in contact with prestressing steel shall have a maximum water soluble

chloride ion concentration of 0.06 percent by weight of cement. 2.02 SHOTCRETE

A. Shotcrete shall conform to ACI Standard 506, except as modified herein.

B. The wet mix process shall be employed for shotcreting.

C. Shotcrete used for covering prestressed wire shall consist of not more than three parts sand to one part Portland cement by weight. Additional coats of shotcrete shall consist of not more than four parts sand to one part Portland cement by weight. Polypropylene fibers shall be included in the shotcrete used for the finish covercoat. Fibers shall be Fibercast 500 by Propex, or equal. Fiber length shall be . The amount of the fibers added to the shotcrete used for the finish covercoat shall conform to the manufacturers recommendations. Fly ash may be incorporated into the finish covercoat. Fly ash shall conform to ASTM C618, Type F. Shotcrete shall have a minimum strength of 4,500 psi at 28 days.

D. Shotcrete in contact with prestressing steel shall have a maximum water soluble

chloride ion concentration of 0.06 percent by weight of cement. 2.03 MORTAR FILL AND NON-SHRINK GROUT

Mortar fill and non-shrink grout shall have a minimum compressive strength of 4,000 psi at 28 days.

2.04 REINFORCING STEEL

A. Reinforcing steel shall be new billet steel Grade 60, as shown on the Drawings, meeting the requirements of ASTM A615. Welded wire fabric shall conform to ASTM A185.

B. Reinforcing steel shall be accurately fabricated and shall be free from loose rust,

scale, and contaminants, which reduce bond.

C. Reinforcing steel shall be accurately positioned on supports, spacers, hangers, or other reinforcements and shall be secured in place with wire ties or suitable clips. Rebar chair supports may be either steel or plastic.

D. When required by design, the tank designer shall use base restraint cables to

resist earthquake loads. Seismic base restraint cables shall be hot-dipped galvanized seven-wire strand and shall be manufactured in accordance with ASTM A416 prior to galvanizing, and ASTM A475 after galvanizing.

2.05 STEEL DIAPHRAGM

A. The steel diaphragm shall conform to ASTM A1008 and shall be a minimum thickness of 0.017 inches. It shall be vertically ribbed with reentrant angles. The

13 30 13-8

back of the channels shall be wider than the front, providing a mechanical keyway anchorage with the concrete and shotcrete encasement.

B. The steel diaphragm shall extend to within one inch of the full height of the wall

panel with no horizontal joints. Vertical joints within a wall panel shall be roll seamed or otherwise fastened in a fashion that results in a firm mechanical lock. Joints between wall panels that are not roll seamed shall be edge sealed with polysulfide or polyurethane sealant.

C. No punctures will be permitted in the diaphragm except those required for pipe

sleeves, temporary construction openings, or special appurtenances. The Engineer shall approve details of the openings. All openings shall be completely edge sealed with polysulfide or polyurethane sealant.

D. Diaphragm steel may be considered as contributing to the vertical reinforcement

of the wall. 2.06 PRESTRESSING STEEL

A. Steel for prestressing shall be cold drawn, high carbon wire meeting the requirements of ASTM A821, having a minimum ultimate tensile strength of 210,000 psi.

B. Splices for horizontal prestressed reinforcement shall be ferrous material

compatible with the reinforcement and shall develop the full strength of the wire. Wire splice and anchorage accessories shall not nick or otherwise damage the prestressing.

2.07 ELASTOMERIC MATERIALS

A. Nine inch minimum waterstop with centerbulb shall be polyvinyl chloride meeting the requirements of the Corps of Engineers Specification CRD-C 572. Splices shall be made in accordance with the manufacturers recommendations subject to the approval of the Engineer. Waterstop shall be manufactured by Greenstreak Plastic Products Company, Inc., or equal.

B. Bearing pads shall be natural rubber or neoprene.

1. Natural rubber bearing pads shall contain only virgin natural polyisoprene as the

raw polymer and the physical properties shall comply with ASTM D2000 Line Call-Out M 4 AA 414 A1 3.

2. Neoprene bearing pads shall have a hardness of 40 to 50 durometer, a minimum

tensile strength of 1,500 psi, a minimum elongation of 500 percent, and a maximum compressive set of 50 percent. Pads shall meet the requirements of ASTM D2000 Line Call-Out M 2 BC 410 A1 4 B14 for 40 durometer material.

C. Sponge filler shall be closed-cell neoprene or rubber conforming to ASTM

D1056, Type 2, Class A, and Grade 1. Compression deflection limited to 25 percent at two to five psi.

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D. Polysulfide or polyurethane sealant will be a two or three component elastomeric compound meeting the requirements of ASTM C920. Sealants must have permanent characteristics of bond to metal surfaces, flexibility, and resistance to extrusion due to hydrostatic pressure. Air cured sealants shall not be used.

2.08 DECORATIVE COATING

A. Decorative coating shall be applied to the exterior dome surface using one coat of

a cementitious based damp-proofing product such as Tamoseal or equal, and one coat of a non-cementitious, high build, 100 percent acrylic resin polymer such as Tammscoat Smooth textured protective coating or equal. A decorative coating shall be applied to the exterior wall surfaces using two coats of a non-cementitious, high build, 100 percent acrylic resin polymer such as Tammscoat Smooth textured protective coating or equal.

2.09 APPURTENANCES

A. The Contractor shall provide and install all appurtenances as shown on the

drawings. Appurtenances shall include the following: 1. Inlet-Outlet Piping. 2. Overflow Piping and Weir.

3. Roof Hatch: A 42 minimum square aluminum hatch with lockable, hinged cover

and curb frame. The hatch shall have a lift handle, padlock tab, padlock and a cover hold open mechanism. All hardware shall be aluminum or stainless steel. Locate hatch as shown on drawings.

4. Roof Ventilator: Fiberglass or Aluminum, with fiberglass insect 20 x 20 screen,

minimum diameter two feet.

5. Interior Ladder: An aluminum ladder shall extend from the floor to the hatch. The ladder shall have a fall prevention device attached consisting of a sliding, locking mechanism and safety belt and complying with applicable OSHA standards. Location as shown on the drawings.

6. Exterior Ladder: An aluminum ladder shall extend from eight feet above the final grade to the tank roof. The ladder shall have an OSHA-approved fall prevention device (if required) consisting of a sliding, locking mechanism and safety belt. Location as shown on the drawings.

7. Access Manway: A circular 25 inch diameter Type 304 stainless steel wall manway with a hinged cover. A Type 304 stainless steel grab bar and an aluminum ladder shall be installed at the manway location. Locate access manway as shown on drawings.

8. Floor Sump: A minimum of one 2-0 square x 6 deep sump shall be provided in the tank floor. The sump may be at a drain pipe, outlet pipe or separate from the floor piping. Location of the sump as shown on the drawings.

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PART 3 CONSTRUCTION 3.01 CLEARING, GRUBBING, AND STRIPPING

A. All trees, shrubs, brush, stumps, roots, and other unsuitable material shall be removed to a minimum distance of twelve feet outside the edge of the tank foundation, plus additional areas necessary for the tank construction. The limits of clearing shall be as shown on the drawings and/or as approved by the Engineer.

B. No burning will be allowed unless approved by the Engineer and local

authorities. All trees and vegetation shall be disposed of off site, unless approved otherwise by the Engineer.

C. All topsoil shall be stripped from the proposed construction work area and

stockpiled on site. 3.02 EXCAVATION AND BACKFILL

A. The Contractor shall excavate to such depths and widths to provide adequate room for tank construction. A minimum working area of ten feet beyond the circumference of the tank foundation at an elevation six inches below the top of the tank foundation shall be provided. Excavated material may be used as suitable backfill material and stockpiled on site as required.

B. The excavation shall be dewatered as required during construction. The

dewatering method used shall prevent disturbance of the tank foundation soils.

C. The Contractor shall excavate rock, if encountered, to the lines and grades indicated on the drawings, or as directed by the Engineer. If encountered, rock excavation shall not be measured and paid separately, but shall be included in the lump sum bid price.

D. In the event the subgrade material is disturbed or over excavated by the

Contractor during excavation, it shall be removed and replaced with compacted select fill, at the Contractors expense.

E. If, in the opinion of the Engineer, the subgrade is unsuitable for the foundation,

the Engineer shall direct that it be removed by the Contractor and replaced with compacted select fill. Unsuitable material and compacted select fill shall not be measured and paid for separately, but shall be included in the lump sum bid price.

F. After excavation is complete, the bottom of the excavation shall be proof rolled

and leveled as directed by the Engineer before the compacted select fill is placed. The Engineer shall inspect the subgrade for conformance with the original geotechnical report and its suitability for the tank foundation. Before any select fill is to be placed against rock surfaces, the rock shall be relatively free of all vegetation, dirt, clay, boulders, scale, excessively cracked rock, loose fragments, ice, snow, and other objectionable substances. All free water left on the surface of the rock shall be removed.

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G. A leveling base material consisting of a minimum six inch thick layer of

compacted select fill shall be placed beneath the entire tank foundation. A non-woven geotextile fabric such as Mirafi 1100N, Propex 4545, or equal, shall be placed between the subgrade and leveling base material as shown on the drawings or directed by the tank builder. Select fill shall consist of a clean, well graded angular or subangular material having not more than 8 percent by weight passing the No. 200 sieve. The maximum size stone shall be 1 inch. Select fill shall be placed in layers not exceeding twelve inches and compacted to a minimum density equal to 95 percent of the maximum laboratory density in accordance with ASTM D1557. Field testing for density achieved shall be in accordance with ASTM D1556 or D2922. If directed by the tank builder, a uniformly graded inch minus crushed stone shall be used as the leveling base material. The crushed stone shall be inch sieve size with 100 percent passing the one inch. If uniformly graded crushed stone is used for the leveling base material, compaction performance criteria shall be used to gauge the degree of compaction. Crushed stone shall be placed in layers not exceeding 9 inches and compacted with at least two passes in each direction with vibratory roller compaction equipment. Compaction shall be inspected and verification of compaction effort shall be documented by an approved testing laboratory.

H. The surface elevation of the leveling base shall be fine graded to a tolerance of

plus zero inches to minus inch over the entire foundation areas. Fine grading tolerances for floor pipe encasements shall be plus zero inches to minus six inches.

I. The tank shall be backfilled and rough graded to the contours shown on the

drawings. Unless other material is specified by the Engineer, materials used for backfilling shall be suitable on site material.

J. Frozen material shall not be used for backfill nor shall fill material be placed on

snow, ice, or frozen material. Rock or concrete spoils (greater than six inches) shall not be used in backfill within two feet of the tank wall.

K. Crushed stone material shall consist of clean, hard, durable, crushed particles or

fragments of stone or ledge rock of uniform quality reasonably free of thin or elongated pieces. The materials shall be free from ice, snow, rubbish, sods, roots, and other deleterious or organic materials and shall conform to the following gradation requirements meeting ASTM C 33 stone size No. 67.

SIEVE SIZEPERCENT PASSING

BY WEIGHT 1 inch 100%

3/4 inch 90% - 100% 3/8 inch 20% - 55%

No. 4 0% - 10% No. 8 0% - 5%

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L. Compacted granular fill should consist of sandy gravel or gravelly sand free of ice, snow, rubbish, sods, roots and other deleterious or organic materials and should be well graded within the following limits.

SIEVE SIZEPERCENT FINER

BY WEIGHT 1.5 inch 100%

No. 4 30% - 90% No. 40 10% - 50%

No. 200 0% - 8% 3.03 FLOOR

A. The floor and wall footings shall be constructed to the dimensions shown on the Approved Shop Drawings.

B. Prior to placement of the floor reinforcing, a six mil polyethylene moisture

barrier shall be placed over the leveling base material. Joints in the polyethylene shall be overlapped a minimum of six inches.

C. Prior to placement of the floor concrete, all piping that penetrates the floor shall

be set and encased in concrete.

D. The vertical waterstop shall be placed and supported so that the bottom of the center bulb is at the elevation of the top of the footing. The waterstop shall be supported without puncturing any portion of the waterstop unless it is manufactured with holes for tying. The waterstop shall be spliced using a thermostatically controlled sealing iron and each splice shall be successfully spark tested prior to encasement in concrete.

E. The floor shall have a minimum thickness of four inches and be poured

monolithically. There shall be no construction joints in the floor or between the floor and footing. Floors over 30,000 sq. ft. in surface area may, at the option of the Contractor, have one or more construction joints. Such construction joints shall be approved by the Engineer prior to placement.

F. The floor shall be cured by applying one coat of curing compound and/or

flooding with water, and shall remain saturated for a minimum of seven days. 3.04 PRECAST PANEL CONSTRUCTION AND ERECTION

A. The precast wall shall be constructed with a continuous waterproof steel diaphragm embedded in the exterior of the precast panel. Horizontal joints in the diaphragm will not be allowed.

B. No holes for form ties, nails, or other punctures will be permitted in the wall.

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C. Temporary wall openings may be provided for access and removal of construction materials from the tank interior subject to the approval of the Engineer.

D. Wall and dome panel beds shall be located around the periphery of the tank as

required. The beds shall be constructed to provide finished panels with the proper curvature of the tank.

E. Polyethylene sheeting shall be placed between successive pours to provide a high

moisture environment and a long slow cure for the concrete.

F. The erecting crane and lifting equipment shall be capable of lifting and placing the precast panels to their proper location without causing damage to the panel.

G. The precast panels shall be erected to the correct vertical and circumferential

alignment. The edges of adjoining panels shall not vary inwardly or outwardly by more than 3/8 inch and shall be placed to the tank radius within + 3/8 inch.

H. Joints between precast wall panels shall be bridged with a 10 gauge steel plate

edge sealed with polysulfide or polyurethane and filled with mortar as shown on the drawings. No through-wall ties will be permitted.

I. Minimum dome and wall panel thickness shall be four inches.

3.05 CONCRETE

A. All concrete shall be conveyed, placed, finished, and cured as required by pertinent ACI standards.

B. Weather Limitations

1. Unless specifically authorized in writing by the Engineer, concrete shall

not be placed without special protection during cold weather when the ambient temperature is below 35 degrees Fahrenheit and when the concrete is likely to be subjected to freezing temperatures before initial set has occurred and the concrete strength has reached 500 psi. Concrete shall be protected in accordance with ACI 306. The temperature of the concrete shall be maintained in accordance with the requirements of ACI 301 and ACI 306. All methods and equipment for heating and for protecting concrete in place shall be subject to the approval of the Engineer.

2. During hot weather, concreting shall be in accordance with the

requirements of ACI 305.

3. Placement of concrete during periods of low humidity (below 50 percent) shall be avoided when feasible and economically possible, particularly when large surface areas are to be finished. In any event, surfaces exposed to drying wind shall be covered with polyethylene sheets immediately after finishing, or flooded with water, or shall be water cured continuously from the time the concrete has taken initial set.

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Curing compounds may be used in conjunction with water curing, provided they are compatible with coatings that may later be applied, or they are degradable.

C. Finishes

The tank shall be given the following finishes:

1. The floor slab shall receive a bull float finish or Fresno finish.

2. The interior of precast wall panels shall receive a light broom finish.

3. The exterior of precast dome panels, dome slots, and cast-in-place domes

shall receive a light broom finish.

4. Exterior shotcrete shall receive a nozzle finish.

D. Curing

Concrete shall be cured using water methods, sealing materials, or curing compounds. Curing compounds shall not be used on surfaces to which decorative coatings, mortar, or shotcrete is to be applied. Curing compounds used within the tank shall be suitable for use with potable water.

E. Testing

1. For concrete placed in precast panels or wall slots, a set of three

cylinders shall be made for each truck load of concrete placed. For concrete placed in the floor, dome ring, or dome slots, two sets of three cylinders for the first 50 cubic yards, and one set of three cylinders for every 100 cubic yards thereafter placed in the same day. One cylinder shall be tested at seven days, one at 28 days, and one held as a spare.

2. Slump, air content and temperature testing shall be performed on each

truck where cylinders are taken.

3. All concrete testing shall be in accordance with ASTM C31 and C39, at the expense of the contractor, and shall be conducted by an independent testing agency approved by the Engineer.