1__PECO_Water_Tank_Scope_of_Work.pdf

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -1

PECO PMIS 313948

Replace Water Tank and Pumping Equipment

Pecos National Historical Park

PMIS 313948

Summary of Work and Project Specifications

DIVISION 1 - GENERAL REQUIREMENTS

01000 Summary of Work General Requirements

DIVISION 2 - SITE WORK

02518 Well Pump Replacement

02664 Potable Water Tank

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

072513 Modified Bitumen Membrane Roofing

Appendix A – Wellhouse Pictures

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -2

SUMMARY OF WORK AND GENERAL REQUIREMENTS

1.1 SUMMARY OF WORK

A. The work of this project includes:

1. Replacing the 5,000-gallon existing potable water tank.

2. Replacing the existing solar powered well pump and motor.

3. Replacing the existing 400 square foot roof with a new modified bitumen (torch down) roof and class A fire rated assembly.

4. Repairing and painting of exterior woodwork.

B. See drawing set 430/192850 for more construction details and dimensions.

C. Project Location: This project is located at the Forked Lightning Ranch well house which is part of Pecos National Historical Park located in northern New Mexico. For more information and directions see https://home.nps.gov/peco/index.htm

D. Definition of Contract Line Items: Payment will be a lump sum for each contract line item. For items not listed, include cost in the related bid item.

1. Item No. 1 Water Tank: This item consists of replacing the existing water tank.

2. Item No. 2 Well Pump: This item consists of replacing the existing well pump and motor.

3. Item No. 3 Roof: This item consists of replacing the existing roof, related woodwork, and painting.

E. Contractor’s Use of Premises

1. Storage of Materials: Confine storage of materials to immediate vicinity of project site, unless directed otherwise by project inspector.

2. Use of Site: Limit use of premises to work areas. Do not disturb portions of Project site beyond areas in which the Work is indicated.

a. Preservation of Natural Features:

1) Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the

Government.

2) Provide temporary barriers to protect existing trees and plants and root zones.

3) Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer and remove agreed upon roots and branches that interfere with construction.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -3

4) Do not fasten ropes, cables, or guys to existing trees.

5) Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

b. Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

c. Use of Existing Building: Maintain existing building in a weathertight condition throughout construction period. Repair damage caused by construction operations.

Protect building during construction period.

F. Work Restrictions

1. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7 a.m. to 4 p.m., Monday through Friday, except as otherwise arranged with park staff.

2. Special Construction Requirements

a. Exotic Vegetation and Noxious Weeds

1) Cleaning of Equipment

a) The Contractor shall ensure that prior to moving on to the Project

Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Contractor shall ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project

Area. Equipment shall be considered free of soil, seeds and other such debris when a visual inspection does not disclose such material.

Disassembly of equipment components or specialized inspection tools is not required.

b) Contractor shall notify the Contracting Officer at least 2 days prior to moving any equipment onto the Project Area. Notification will include identifying the location of the equipment’s most recent operations. The Contractor shall arrange for the Contracting Officer to inspect each piece of equipment prior to it being placed in service.

b. Avoid Soil Compaction

1) Avoid compaction from heavy equipment to surrounding area by keeping equipment inside the limits of work specified above. If work outside the limits is necessary do so only when the soil is dry.

2) Compacted soils must be ripped or decompacted post construction to enable vegetation.

3) All disturbances must be returned to grade and any tracks from equipment must be raked out.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -4

3. Existing Utilities

a. Notify Contracting Officer and utility companies of proposed locations and times for excavation.

b. Contractor shall be responsible for locating and preventing damage to utilities. If damage occurs, repair utility at no additional expense to the Government.

4. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by

Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated.

a. Notify Park staff not less than two days in advance of proposed utility interruptions.

PART 2 - PRODUCTS - NOT USED

PART 3 - EXECUTION

3.1 PROJECT MANAGEMENT AND COORDINATION

A. Project Meetings

1. Pre-construction Conference: Before start of construction, Contracting Officer may arrange an on-site meeting with Contractor. The meeting agenda may include the following:

a. Roles and Responsibilities/Lines of Authority.

b. Park rules and regulations.

c. Coordination of Subcontractors.

d. Labor law application.

e. Modifications.

f. Payments to Contractor.

g. Payroll reports.

h. Contract time.

i. Liquidated damages.

j. Notice to proceed.

k. Construction Schedule.

l. Correspondence procedures.

m. Acceptance/rejection of work.

n. Progress meetings.

o. Submittal procedures.

p. As-constructed drawings/operation and maintenance (O&M) manuals.

q. Saturday, Sunday, holiday and night work.

r. Reference materials.

s. Value engineering.

t. Submittals required prior to or at Preconstruction Conference:

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -5

1) Letter designating the Project Superintendent.

2) Proposed construction schedule.

3) Schedule of values.

4) Accident prevention plan.

5) A list of Subcontractors for this project.

6) Written statements from subcontractors certifying compliance with applicable labor standard clauses.

7) Satisfactory evidence of liability insurance coverage and workman’s compensation for the Contactor and all subcontractors.

8) Waste management plan.

9) Quality control plan.

u. Project closeout requirements.

2. Progress Meetings: The Contracting Officer may schedule weekly meetings with the

Contractor and subcontractors. The meeting agenda may include the following:

a. Submittal status.

b. Review of off-site fabrication and delivery schedules.

c. Requests for information (RFI) and other issues.

d. Modifications.

e. Work in progress and projected.

f. Construction Schedule update.

g. Status of Project Record Drawings and O&M manuals.

h. Other business relating to work.

3.2 SCHEDULES

A. After contract award and before the Pre-Construction Conference submit:

1. Schedule of Values

a. Breakdown each lump-sum item into component parts of work for which progress payments may be requested. The total costs for the component parts of work shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values. Include mobilization, general condition costs, overhead and profit in the total dollar value of unit price items and in the component parts of work for each lump-sum item. Do not include mobilization, general condition costs, overhead or profit as a separate item.

b. Do not break down unit price items. Use only the contract price for unit price items.

c. The total cost of all items shall equal the contract price. The Schedule of Values will form the basis for progress payments.

d. An acceptable Schedule of Values shall be agreed upon by the Contractor and

Contracting Officer before the first progress payment is processed.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -6

2. Construction Schedule

a. Prepare a list of all activities required to complete the Work. Prepare a skeleton network to identify probable critical paths.

b. Identify milestones in schedule including, but not limited to, the Notice to Proceed, Substantial Completion, and Final Completion.

c. Upon acceptance of the Construction Schedule by the Contracting Officer, the

Construction Schedule will be used to evaluate the Contractor's monthly applications for payment.

3.3 SUBMITTALS

A. Submittal Procedures

1. Prepare and submit Submittals required by individual Specification Sections. Transmit each submittal using National Park Service transmittal form CM-16, which can be obtained from Contracting Officer.

2. Processing Time: Allow enough time for submittal review, including time for re-submittals, as follows. Time for review shall commence on Contracting Officer’s receipt of submittal. No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing, including re-submittals.

a. Initial Review: Allow 15 days for initial review of each submittal. Allow additional time if coordination with subsequent submittals is required.

b. Re-submittal Review: Allow 15 days for review of each re-submittal.

3. Approved Equals

a. For each item proposed as an approved equal, submit supporting data, including:

1) Drawings and samples as appropriate.

2) Comparison of the characteristics of the proposed item with that specified.

3) Changes required in other elements of the work because of the substitution.

4) Name, address, and telephone number of vendor.

5) Manufacturer's literature regarding installation, operation, and maintenance.

b. A request for approval constitutes a representation that Contractor:

1) Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2) Will provide the same warranties for the proposed item as for the item specified.

3) Has determined that the proposed item is compatible with interfacing items.

4) Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5) Waives all claims for additional expenses that may be incurred as a result of the substitution.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -7

B. Contractors Review: Review each submittal and check for coordination with other Work of the

Contract and for compliance with the Contract Documents. Note corrections and field dimensions.

C. Contracting Officer’s Action: Contracting Officer or his/her authorized representative will review each submittal, make marks to indicate corrections or modifications required, and return one copy.

D. Shop Drawings, Product Data, and Samples

1. As specified in the individual sections, or project plans, forward submittals to Contracting

Officer at least fifteen (15) days before need for approval. Unless a different number is specified, submit three copies of each shop drawing and three copies of all other submittals requested.

2. After approving submittals, Contracting Officer will return one copy to the Contractor.

3. If submittals are not approved, Contracting Officer will return one copy to Contractor with reasons for rejection. Resubmit and identify changes.

E. Manufacturer's Installation Instructions - When contract documents require compliance with manufacturer's printed instructions, provide one complete set of instructions for Contracting

Officer and keep another complete set of instructions at the project site until substantial completion.

3.4 SAFETY REQUIREMENTS

A. Description: The work consists of establishing and implementing an effective accident prevention program and providing a safe environment for all personnel and visitors.

B. Submittals

1. Accident Prevention Plan - The Plan shall be written to comply with OSHA and project requirements including but not limited to the following:

a. Name of responsible supervisor to carry out the program.

b. Weekly safety meetings.

c. First aid procedures.

d. Outline the work and associated hazards, and the methods proposed to ensure property protection and safety of the public, National Park Service personnel, and

Contractor's employees.

e. Planning for possible emergency situations.

f. Fire Protection.

C. Qualification of Employees

1. Ensure that employees are physically qualified to perform assigned duties in a safe manner.

2. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -8

3. Operators of vehicles, mobile equipment, hoisting equipment, and hazardous plant equipment shall be able to understand signs, signals, and operating instructions, and be capable of operating such equipment. Provide operating instructions for all equipment.

D. Accident Reporting

1. Reportable Accidents: A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, fires, and property damage by accident in excess of $100. Notify Contracting Officer immediately in the event of a reportable accident. Within 7 days of a reportable accident, fill out and forward to Contracting

Officer an Accident/Property Damage Report (Form CM-22). Form may be obtained from the Contracting Officer.

2. All Other Accidents: The Contractor shall report all other accidents to the Contracting

Officer as soon as possible and assist the Contracting Officer and other officials as required in the investigation of the accident.

E. Personnel Protective Equipment: Meet requirements of National Institute for Occupational

Safety and Health (NIOSH) and OSHA.

F. Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

G. Protective Equipment

1. Inspect personal protective equipment daily and maintain in a serviceable condition.

Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual.

2. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.

3. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary protective equipment at all times.

3.5 QUALITY REQUIREMENTS

A. Testing and inspecting services are the responsibility of the Contractor and are required to verify compliance with requirements specified or indicated. These services do not relieve

Contractor of responsibility for compliance with the Contract Document requirements. The quality of all work shall be the responsibility of the Contractor.

B. Submittals

1. Quality Control Plan

a. A list of personnel responsible for quality control and assigned duties.

b. Names, qualifications, and descriptions of laboratories to perform sampling and testing, and samples of proposed report forms.

c. Methods of performing, documenting, and enforcing quality control of all work.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -9

2. Contractor's Quality Control Daily Reports: Submit showing all inspections and tests on the first workday following the date covered by the report.

3. Test Reports

C. Quality Assurance

1. The Contractor's Quality Control Supervisor may also perform the duties of Project

Superintendent.

2. Installer Qualifications: A firm or individual experienced in installing, erecting, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

3. Testing Agency Qualifications: An NRTL or an independent agency with the experience and capability to conduct testing and inspecting indicated, as documented according to

ASTM E 329; and with additional qualifications specified in individual Sections; and where required by Contract, is acceptable to the Contracting Officer.

D. Technical Material Submittals

1. As described in material specifications.

2. Submit using form CM-16 for review and approval.

3.6 TEMPORARY FACILITIES AND CONTROLS

A. Temporary Facilities

1. Contractor may use toilet rooms in nearby government buildings. Otherwise provide temporary toilet for use by construction personnel.

2. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations.

B. Temporary Utilities

1. General: Install temporary service or connect to existing service. Arrange with utility company, National Park Service, and existing users for time when service can be interrupted, if necessary, to make connections for temporary services.

2. Potable water is available on site. Make connections to existing facilities as needed.

Facilities must be cleaned and maintained in a condition acceptable to the National Park

Service. At Substantial Completion, restore these facilities to condition existing before initial use.

a. Water from existing water system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

3. Electric Power Service: Use of existing electric power service will be permitted, as long as equipment is maintained in a condition acceptable to the National Park Service. When temporary connections are removed, restore existing utility services to their original condition.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -10

a. Electric Power Service: Electric power from existing system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

b. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for temporary electric service. Install service to comply with NFPA 70.

4. Telephone Service: Cell service exists at job site. Office phones are available for emergency use.

C. Security and Protection of Facilities

1. Tree and Plant Protection: Maintain all operation withing existing fenced area around wellhouse.

2. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weathertight enclosure for building exterior.

3. Temporary Fire Protection: Install and maintain temporary fire-protection facilities of types needed to protect against reasonably predictable and controllable fire losses.

Comply with NFPA 241.

a. Responsible Person: A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

b. Smoking: Smoking within buildings or temporary storage sheds is prohibited.

c. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition according to requirements of National Park Service.

Check with park; many require burn permits for welding.

d. Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in existing buildings.

Provide adequate ventilation during use of volatile or noxious substances.

e. Spark Arresters: Equip all gasoline or diesel-powered equipment used during periods of potential fire hazards or in potential forest and grass fire locations with spark arresters approved by the USDA Forest Service.

1) Written determinations of periods and areas of potential fire hazard will be issued by Contracting Officer.

4. Fire Extinguishers: Portable, UL rated; with class and extinguishing agent as required by locations and classes of fire exposures.

a. Vehicles and Equipment: Provide one extinguisher on each vehicle or piece of equipment.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -11

3.7 TEMPORARY STORM WATER POLLUTION PREVENTION

A. Implement measures to prevent storm water pollution during construction activities.

B. Before commencing construction activities, such as grading, excavation or filling in any part of the site, Contractor shall install sediment and erosion control measures. The measures shall consist of any Best Management Practices (BMPs) for storm water discharges, including but not limited to silt fencing, straw bales, temporary soil retention blankets, drainage filters, sediment traps and berms.

C. Ensure erosion and sediment control structures remain effective throughout construction operations.

3.8 PRODUCT REQUIREMENTS

A. Product Delivery, Storage, and Handling: Deliver, store, and handle products using means and methods that will prevent damage, deterioration, and loss, including theft. Comply with manufacturer's written instructions.

B. Packaging: Where Contractor has the option to provide one of the listed products or equal, preference shall be given to products with minimal packaging and easily recyclable packaging as defined in ASTM D5834.

C. Protection After Installation: Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, and subsequent construction.

Remove when no longer needed.

3.9 EXECUTION

A. Examination: The existence and location of underground and other utilities and construction indicated as existing are not guaranteed. Investigate and verify existence and location of utilities and other construction.

B. Coordination with Utility Service Providers: Contact utility service providers to coordinate the work, testing requirements, and inspections.

C. Preparation: Take field measurements as required to fit the work properly. Where portions of the work are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication.

D. Construction Layout: Verify layout information shown on drawings, in relation to the property survey and existing benchmarks. If discrepancies are discovered, notify Contracting Officer promptly.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -12

3.10 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT AND DISPOSAL

A. The project shall minimize the creation of construction, deconstruction, and demolition waste to protect and restore natural habitat and resources. Factors that contribute to waste such as over packaging, improper storage, ordering error, poor planning, breakage, mishandling, and contamination shall be minimized.

3.11 CLOSEOUT PROCEDURES

A. Closeout Requirements:

1. Submit specific warranties, guarantees, workmanship bonds, final certifications, and similar documents.

2. Submit Project Record Drawings.

a. Maintain one complete full-size set of contract drawings and one full-size set of vendor-supplied drawings. Clearly mark changes, deletions, and additions using

National Park Service drafting standards to show actual construction conditions.

Show additions in red, deletions in green, and special instructions in blue.

3. Submit Operation and maintenance manuals and data.

a. Manuals: Include a title page which includes project title, location, contract number, prime contractors name and address, and date of substantial completion.

Organize each manual with a separate section for each system or product.

b. Include manufacturer’s data, vendor furnished drawings, equipment data sheets, schedules, emergency instructions, etc.

c. Include operational requirements such as operating standards, procedures, controls, etc.

d. Include maintenance requirements such as maintenance procedures, repair materials, warranties, reordering information, environmental requirements, etc.

4. Posted Operating Instructions: As specified in the individual sections. Furnish operating instructions attached to or posted adjacent to equipment. Include wiring diagrams, control diagrams, control sequence, start-up, adjustment, operation, lubrication, shut-down, safety precautions, procedures in the event of equipment failure, and other items of instruction recommended by the manufacturer.

5. Deliver tools, spare parts, and extra materials.

6. Keys and Keying Schedule: Submit all keys including duplicates.

7. Submit test and balance report.

8. Terminate and remove temporary facilities from Project site.

9. Complete final cleaning requirements, including touchup painting.

10. Touch up and otherwise repair and restore marred exposed finishes to eliminate visual defects.

11. Instruct National Park Service personnel in operation, adjustment, and maintenance of products, equipment, and systems.

SUMMARY OF WORK GENERAL REQUIREMENTS 01000 -13

B. Substantial Completion and Final Inspection

1. When project is substantially complete, request, in writing, a final inspection. Upon receipt of written request that project is substantially complete, the Contracting Officer will proceed with inspection within 10 days of receipt of request or will advise the

Contractor of items that prevent the project from being designated as substantially complete.

2. If, following final inspection, the work is determined to be substantially complete, Contracting Officer will prepare a Punch List to be corrected before final acceptance and issue a Letter of Substantial Completion. Contractor shall complete the work described on the Punch List within 21 calendar days, as weather permits.

3. If, following final inspection, the work is not determined to be substantially complete;

Contracting Officer will notify Contractor in writing. After completing work, Contractor shall request a new final inspection.

4. After all deficiencies have been corrected, a Letter of Final Acceptance will be issued.

C. Final Cleaning

1. Provide final cleaning. Conduct cleaning and waste-removal operations to comply with local laws and ordinances and Federal and local environmental and antipollution regulations.

D. Post-Construction Inspection - Before expiration of warranty period, Contracting Officer will inspect project and notify Contractor in writing of all deficiencies.

END OF SECTION 010000

WELL PUMP REPLACEMENT 02518-14

SECTION 02518

WELL PUMP REPLACEMENT

PART 1 GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of replacing the existing solar powered submersible well pump, motor, and check valves.

B. SUBMITTALS

C. As specified in Section 01330.

D. Manufacturer’s information for submersible well pump.

E. Manufacturer’s information for check valves.

PART 2 PRODUCTS

2 .1 GENERAL

A. All materials in contact with potable water shall be lead free and NSF certified for use in potable water systems.

2 .2 SUBMERSIBLE WELL PUMP

A. Replace submersible well pump with a solar photovoltaic, direct power (PV direct), well pump system. Grundfos 6SQF-3lex solar well pump system as manufactured by Grundfos, Olathe, Kansas.

1. Note the existing well pump, is the same model as specified above. If contractor proposes a different pump, existing well control panel and solar photovoltaic system shall be modified to accommodate a different pump at contractor’s expense.

B. Well pump shall be compatible with existing pump controls.

2 .3 CHECK VALVES

A. Bronze or stainless-steel spring actuated check valve, 1” diameter, NSF 61 approved Flowmatic check valve, as manufactured by Flowmatic Corporation, Glenn Falls, NY, www.flomatic.com or approved equal.

http://www.flomatic.com/

WELL PUMP REPLACEMENT 02518-15

PART 3 EXECUTION

3 .1 SUBMERSIBLE WELL PUMP REPLACEMENT

A. Submersible well pump installation

1. Ensure water tank is full prior to pulling pump by scheduling pump replacement in advance with water operator.

2. Inspect drop pipe and couplings when pulling existing pump, alert project inspector to any unusable sections.

3. Replace all existing check valves on drop pipe. Install two new check valves as described on construction plans.

4. Connect new well pump to existing control panel.

5. Disinfect well pump, submersible wire, and drop pipe per AWWA standard C654 during installation.

PART 4 MEASUREMENT AND PAYMENT

4 .1 WELL PUMP REPLACMENT AND WELL INSPECTION

A. Payment will be included in the contract unit price for well pump replacement.

END OF SECTION

POTABLE WATER TANK 02664 -16

SECTION 02664

POTABLE WATER TANK

PART 1 GENERAL

1 .1 DESCRIPTION

A. Furnish and erect a 4,800-gallon galvanized bolted steel water storage tank, including replaceable potable water tank liner and tank appurtenances as shown on the contract drawings and described herein.

1 .2 SUBMITTALS

A. As specified in Section 01330.

B. Furnish tank manufacturer’s tank information and potable water certification of liner.

C. The tank manufacturer’s standard published warranty shall be included with submittal information.

PART 2 PRODUCTS

2 .1 Bolted, galvanized, corrugated water storage tank with replaceable NSF 61 potable water approved liner. Varitank VT 0303-10-MOD as manufactured by Modutank Inc or approved equal.

https://modutank.com/

A. Design Criteria

1. Tank Size

a. 8’x8’x10’ nominal, 8’-6”x8’-6”x10’-3” with external structural members.

2. Tank Capacity

a. Tank capacity shall be minimum 4,800 gallons nominal, 4,688 gallons with 3” of freeboard.

B. Tank Design Standards

1. Structural design: per ASCE 7-10.

2. Wall Panels, galvanized coating: ASTM A525 G90 galvanization, or heavier, Grade-8 galvanized hardware.

3. Cover and tension cables: Stainless steel

4. Potable Water liner: Minimum 45 mil reinforce poly propylene liner NSF 61 certified for potable water use. Eight oz. non-woven geotextile to protect liner from metal components.

POTABLE WATER TANK 02664 -17

5. Safety, Fitting, and Appurtenances

a. Inspection hatch: minimum 30” diameter or 30”x30” square opening with dust/ insect proof gasket and lock, or bolted flange or field removable hinge to allow for access due to low clearance.

b. Through wall pipe fittings: Field located per plan set. Tank manufacturer supplied and designed through wall fitting with flanges, gaskets, galvanized and stainless-steel hardware installed per tank manufacturer’s instructions.

c. . Silt stop: outlet pipe shall have a ninety-degree elbow to create a silt stop 6” above tank floor.

d. Appurtenances. Screened roof vent with 24-mesh stainless steel screen. Vent shall be located for easy inspection and maintenance.

C. Tank Floor

1. The tank shall have a structural steel or cable floor and bear on the existing concrete floor with no concrete anchor bolts.

D. Roof

1. Dust and insect tight cover fabricated from stainless steel. Sections, or entire roof shall be easily disassembled without disassembling the wall panels, or liner, to allow for maintenance such as tank cleaning or leak repairs.

E. Warranty

1. Structure and liner: The tank manufacturer shall warranty the water tank for twenty years under normal potable water use.

2 .2 PIPE PENETRATIONS

A. Size, as shown on plans, type per tank manufacturer’s recommendation.

POTABLE WATER TANK 02664 -18

PART 3 EXECUTION

3 .1 ERECTION

A. Components shall be small enough to fit through the door dimension labeled on construction plans.

3 .2 CLEANING AND DISINFECTION

A. Per AWWA specification C652. Water system operator will take two water samples for bacterial examination after disinfection prior to putting tank into service. If samples are positive for total coliforms, repeat cleaning and disinfection procedure.

PART 4 MEASUREMENT AND PAYMENT

4 .1 Glass-Fused to Steel Reservoir

A. Payment will be made at the contract lump-sum price, for a complete tank in place, including all appurtenances, disinfection, warranties as stated herein.

END OF SECTION

SECTION 075213

MODIFIED BITUMINOUS MEMBRANE ROOFING

3.12 SUBMITTALS

A. Submit manufacturers information for proposed roof systems and details for achieving class A fire rated roof assembly.

3.13 WARRANTY

A. Manufacturer's Materials and Workmanship Warranty: 10 years.

B. Installer's Warranty: Fiver years.

2.2 PERFORMANCE REQUIREMENTS

A. Wind-Uplift Resistance:

1. Zone 1 (Roof Area Field) Uplift Pressure: 35 lbf/sq. ft.

2. Zone 2 (Roof Area Perimeter) Uplift Pressure: 55 lbf/sq. ft.

3. Zone 3 (Roof Area Corner) Uplift Pressure: 85 lbf/sq. ft.

B. FM Approvals' RoofNav Listing: Class 1A-60.

C. SPRI's Directory of Roof Assemblies Wind-Uplift Load Capacity Listing: 60 psf.

D. Exterior Fire-Test Exposure: Class A

2.3 MATERIALS

A. Low-emitting adhesives and sealants.

B. Sheathing paper.

C. Base Sheet: APP-modified bitumen polyester-mat base sheet; ASTM D6222/D6222M, Type I or II, Grade S.

D. Cap Sheet: APP-modified bitumen, polyester-mat, smooth-surfaced cap sheet;

ASTM D6222/D6222M, Type I or II, Grade S.

E. Base Flashing Sheet: APP-modified bitumen, base flashing sheet; matching cap sheet.

F. Substrate Board: Glass-mat gypsum, Fiber-reinforced gypsum, or Fiber-reinforced cementitious.

G. Vapor Retarder: Rubberized-asphalt-sheet, self-adhering.

H. Roof Insulation: molded (expanded) polystyrene, composite molded (expanded) polystyrene, polyisocyanurate, composite polyisocyanurate, cellulosic-fiber, or mineral wool, board.

I. Tapered edge strips.

J. Cover Board: Glass-mat gypsum, Fiber-reinforced gypsum, or Fiber-reinforced cementitious.

3.4 INSTALLATION

A. Roof Insulation: Adhered.

B. Roofing System Installation Method: Heat welded (torch applied), contractor to have fire extinguisher and hoses ready to protect building.

3.5 FIELD QUALITY CONTROL

A. Testing Agency: Contractor engaged.

1. Flood testing.

END OF SECTION 075213

Forked Lightning Ranch Wellhouse

Existing Water Tank

Water Tank Base

Water tank level and pump control switch

Well and Hatch

Well Pump Control Panel

Existing Roof