Amendment 0003 - Pituffik SB J-Plant Reno and HEMP - Specifications.pdf

Repair BMEWS Power Building 4016 (J-Plant) & HEMP Shielding 05 December 2023 Thule AB, Greenland Addendum 01

SECTION 33 16 15

WATER STORAGE STEEL TANKS

11/20

PART 1 GENERAL

1.1 REFERENCES

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.

AMERICAN CONCRETE INSTITUTE (ACI)

ACI 318 (2014; Errata 1-2 2014; Errata 3-5 2015;

Errata 6 2016; Errata 7-9 2017) Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14)

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 325 (2017) Steel Construction Manual

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7-16 (2017; Errata 2018; Supp 1 2018) Minimum Design Loads and Associated Criteria for Buildings and Other Structures

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME B16.3 (2016) Malleable Iron Threaded Fittings, Classes 150 and 300

ASME B16.4 (2016) Standard for Gray Iron Threaded Fittings; Classes 125 and 250

ASME B40.100 (2013) Pressure Gauges and Gauge Attachments

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2018) Hypochlorites

AWWA B301 (2010) Liquid Chlorine

AWWA C104/A21.4 (2016) Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

AWWA C105/A21.5 (2018) Polyethylene Encasement for Ductile-Iron Pipe Systems

AWWA C110/A21.10 (2012) Ductile-Iron and Gray-Iron Fittings for Water

AWWA C111/A21.11 (2017) Rubber-Gasket Joints for

SECTION 33 16 15 Page 1

Ductile-Iron Pressure Pipe and Fittings

AWWA C115/A21.15 (2020) Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C150/A21.50 (2014) Thickness Design of Ductile-Iron Pipe

AWWA C151/A21.51 (2017) Ductile-Iron Pipe, Centrifugally Cast

AWWA C500 (20019) Metal-Seated Gate Valves for Water Supply Service

AWWA C504 (2015) Standard for Rubber-Seated Butterfly Valves

AWWA C508 (2017) Swing-Check Valves for Waterworks Service, 2 In. Through 48-In. (50-mm Through 1,200-mm) NPS

AWWA C600 (2017) Installation of Ductile-Iron Mains and Their Appurtenances

AWWA C652 (2019) Disinfection of Water-Storage Facilities

AWWA D100 (2011) Welded Steel Tanks for Water Storage

AWWA D103 (2009; Errata 2010; Addenda 2014) Factory-Coated Bolted Steel Tanks for Water Storage

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2020) Structural Welding Code - Steel

AWS D1.3/D1.3M (2018) Structural Welding Code - Sheet Steel

ASTM INTERNATIONAL (ASTM)

ASTM A48/A48M (2003; R 2016) Standard Specification for Gray Iron Castings

ASTM A53/A53M (2020) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-80 (2019) Bronze Gate, Globe, Angle and Check Valves

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 22 (2018) Standard for Water Tanks for Private Fire Protection

SECTION 33 16 15 Page 2

NSF INTERNATIONAL (NSF)

NSF/ANSI 61 (2020) Drinking Water System Components - Health Effects

1.2 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Manufacturer's Qualifications ; G

Professional Engineer Qualifications; G

SD-02 Shop Drawings

Detail Drawings ; G

Tank Installation ; G

Piping and Valve Installation ; G

SD-03 Product Data

Manufacturer's Technical Literature ; G

System Description ; G

Foundations ; G

Heating System ; G

Alarm System ; G

Disinfection Procedures; G

Valves ; G

Pipe, Fittings, Joints and Couplings ; G

Joint Sealants and Gaskets ; G

SD-05 Design Data

Manufacturer's Design Analysis ; G

Foundation Design Analysis ; G

SD-06 Test Reports

Tank Installation ; G

SECTION 33 16 15 Page 3

Testing of Valves and Piping ; G

Hydrostatic Test ; G

Leak Test ; G

SD-07 Certificates

Tank Coating System ; G

Pipe Lining and Coating ; G

SD-08 Manufacturer's Instructions

Shipping, Handling, and Storage ; G

1.3 QUALITY ASSURANCE

Shop drawings must be signed and sealed by a qualified professional engineer then reviewed by the COR prior to the start of construction.

1.3.1 Manufacturer's Qualifications

The manufacturer and installer must demonstrate a minimum 10 years of experience in the manufacturing and construction of reservoir steel water storage tanks. Manufacturer must be able to demonstrate experience through the design and construction of at least 5 completed projects of similar type and size with references with current position, address, and contact information.

Provide certified manufacturer's design analysis , detail drawings, and foundation design analysis by an authorized licensed engineer in the geographical area where construction will take place, having a minimum 4 years of experience as an engineer knowledgeable in design and analyses of steel storage tanks and its foundations. Submit a certificate signed by a registered professional engineer, providing the following information:

a. Description of the structural design loading conditions used for the design of entire tank including the foundation.

b. Description of the structural design method and codes used in establishing the allowable stresses and safety factors applied in the design.

c. A statement verifying that the structural design has been checked by experienced engineers specializing in hydraulic structures.

d. A statement verifying that the detail drawings have been checked by experienced engineers specializing in hydraulic structures to determine that they agree with the design calculations in member sizes, dimensions, and fabricating process as prescribed by applicable AWWA, ACI, and other applicable standards.

1.3.2 Welding Qualifications

Qualification of welding procedures, welders, and welding operators must be in accordance with Section 8.2 of AWWA D100 or AWWA D103 and AWS D1.1/D1.1M and AWS D1.3/D1.3M .

SECTION 33 16 15 Page 4

1.3.3 Tank Coating System Certifications

Coating materials for interior applications and all other materials which will be in normal contact with potable water must conform to NSF/ANSI 61 .

Certification by an independent third-party organization that all interior coatings and materials that come in contact with potable water must comply with NSF/ANSI 61 must be provided.

1.4 SHIPPING, HANDLING, AND STORAGE

Deliver paint in unopened containers with unbroken seals and labels showing designated name, specification number, color, directions for use, manufacturer, and date of manufacture, legible and intact at time of use.

Handle and store water storage tank systems, components, and parts to prevent distortions and other damage that could affect their structural, mechanical, or electrical integrity. Replace damaged items that cannot be restored to original condition. Store items subject to deterioration by exposure to elements, in a well-drained location, protected from weather, and accessible for inspection and handling.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

Steel water storage tank will store water for potable and fire protection systems. Tank working capacity will be 704,000 liters. Refill of the tank will be by manual means provided by the base.

2.1.1 Design Requirements

The design, fabrication, and erection of the reservoir steel water storage tank must be in accordance with the requirements of AWWA D100 or AWWA D103 and ASCE 7-16 . Submit design analyses and manufacturer's technical literature .

The following data and information are supplied as a basis for design and erection of the tank and appurtenances:

Tank Capacity and Dimensions

a. Top Capacity Level (TCL) 4.8m

b. Bottom Capacity Level (BCL) 0.46m

c. Head Range 4.34m

d. Diameter 10.7m 13.8m

e. Tank Height 5.2m

f. Top of Foundation Elevation 0.0m

g. Minimum Tank Capacity 703.178 liters

Seismic Design Criteria

a. Seismic Use Group II

b. Seismic Importance Factor, IF 1.25

c. Site Class C

d. Ss 0.39

e. S1 0.18

Design Wind Loading

a. Design Wind Speed, V 246 km/hr

SECTION 33 16 15 Page 5

b. Gust Factor, G 0.85

c. Importance Factor 1.15

d. Exposure Category D

Roof Design Loading

a. Roof Live Load 1.0 kN/m^2

b. Ground Snow Load 1.0 kN/m^2

2.1.2 Reservoir

The reservoir must have such standard shell height and diameter that will meet the requirements for the selected standard capacity and for the high-water level specified. The reservoir must have cone roof as approved. The reservoir must be of welded or bolted construction designed in accordance with AWWA D100 or AWWA D103 and AISC 325 .

2.1.3 Foundation

Foundation design and construction must be in accordance with Section 13 of AWWA D103 and ACI 318 . The foundation design must be based on recommendations provided in the Geotechnical investigation included with the Contract Documents. Recommendations for the foundation type, foundation depth, and design soil-bearing pressure are defined in this report.

2.2 MATERIALS

Provide materials conforming to the following requirements:

2.2.1 Steel

Comply with design requirements of Section 2 of AWWA D100 or Section 2 of AWWA D103 and AISC 325 .

2.2.2 Shop Fabrication

Section 9 of AWWA D100 or Section 7 of AWWA D103.

2.2.3 Ductile-Iron Pipe

Pipe, fittings, joints and couplings for fluid conductors, except for overflow pipe, must be ductile-iron pipe and must be either of the following:

2.2.3.1 Bell-and-Plain End Pipe

AWWA C150/A21.50 and AWWA C151/A21.51 , for not less than 1035 kPa working pressure, unless otherwise shown or specified. Joints must be push-on or mechanical-joint conforming to AWWA C111/A21.11 with pressure rating equivalent to that of the pipe. Provide standard thickness cement mortar lined in accordance with AWWA C104/A21.4 .

2.2.3.2 Flanged Pipe

Flanged pipes must conform to the applicable portions of AWWA C110/A21.10 , AWWA C115/A21.15 and AWWA C151/A21.51 , for not less than 1035 kPa working pressure, unless otherwise shown or specified. Pipe must have flanged ends in accordance with AWWA C115/A21.15 . Provide standard thickness

SECTION 33 16 15 Page 6 cement mortar lining in accordance with AWWA C104/A21.4 .

2.2.4 Specials and Fittings (except for overflow pipe)

2.2.4.1 Ductile-Iron with Bell-and-Plain End

AWWA C110/A21.10 and AWWA C151/A21.51 for not less than 1035 kPa working pressure, unless otherwise shown or specified. Provide standard thickness cement mortar lining in accordance with AWWA C104/A21.4 .

2.2.4.2 Ductile-Iron with Flanged Ends

AWWA C110/A21.10 and AWWA C151/A21.51 for not less than 1035 kPa working pressure unless otherwise shown or specified. Fittings must have flanged ends in accordance with AWWA C110/A21.10 . Provide standard thickness cement mortar lining in accordance with AWWA C104/A21.4 .

2.2.4.3 Steel Piping

Pipe, ASTM A53/A53M, Standard Weight, zinc-coated for not less than 1035 kPa working pressure unless otherwise shown or specified. Fittings, ASME B16.4 , Class 125, zinc coated; or ASME B16.3 , Class 150, zinc coated, threaded.

2.2.4.4 Joints Inside Valve Chamber

All joints inside the valve chamber must be flanged.

2.2.5 Valves

Provide all valves from one manufacturer.

2.2.5.1 Gate Valves

Gate valves must be opened by turning counterclockwise. Valves 80 mm and larger must be stem type with joint ends compatible for the adjoining pipe conforming to AWWA C500. Valves smaller than 80 mm must be all bronze and must conform to MSS SP-80 , Type 1, class 150. Valves 80 mm or larger located in valve chambers must be equipped with hand-operating wheels and must be flanged.

2.2.5.2 Rubber-Seated Butterfly Valves

Rubber-seated butterfly valves must be opened by turning counterclockwise. Valves must conform to AWWA C504. Body and disc must be cast iron, conforming to ASTM A48/A48M. Shaft must be 18-8 stainless steel. Resilient seat must be bonded to the valve body. Butterfly valves must be stainless steel to rubber seated, tight closing type.

Flanged-end valves are required in valve chamber. Provide a union or sleeve-type coupling in the chamber to permit removal.

2.2.5.3 Check Valves

Check valves must conform to AWWA C508 and be of the horizontal swing-check type, suitable for the purpose and the operating conditions.

The body must be cast iron with flanged ends with pressure rating equivalent to that of the connecting pipe.

SECTION 33 16 15 Page 7

2.2.5.4 Altitude Valve

The supply to the reservoir must be controlled by a one-way 152mm altitude valve, automatic in operation and accurately set to prevent overflow of the reservoir. The valve must have flanged ends and a heavy cast iron body, must be bronze fitted with renewable cups and seats, and must be designed without metal-to-metal seats. The valve must be cushioned when opening and closing to prevent water hammer or shock. Valves must be provided with a travel indicator to determine operating position. All necessary repairs and/or modifications other than replacement of the main valve body must be made possible without removing the valve from the pipeline.

2.2.6 Pressure Gauge

Pressure gauge of the direct-reading type, equipped with a shutoff cock, must be provided, in the valve chamber, on the tank side and on the discharge side of the check or altitude valve. Gauges must have 150 mm dials, must be stem mounted, and must conform to ASME B40.100 . Accuracy of gauges must be Grade A or better. Gauges must be calibrated in kPa and psi in not more than 10 kPa and psi increments from 0 to 350 kPa and 0 to 50 psi in excess of the normal operating pressure at the tank.

2.2.7 Joint Sealants and Gaskets

The lap joint sealant must be a one component, moisture cured, polyurethane compound in accordance with Section 4.10 of AWWA D103. The sealant must be suitable for contact with potable water must comply with NSF/ANSI 61 . Neoprene gaskets and tape type sealer must not be used in liquid contacting surfaces.

2.2.8 Lightning Protection

Comply with any lightning protection requirements in Division 26.

2.3 ASSEMBLIES

2.3.1 Tank Accessories

Section 7 of AWWA D103 and as specified. Additional requirements for accessories are as follows:

2.3.1.1 Roof Hatches

Provide two access hatches 180 degrees apart on the roof of the tank. One hatch must be 30 inch diameter and allow access from the roof to the interior of the tank. The hatch will be hinged and equipped with a hasp for locking. The hatch cover must have a 2 inch downward edge. The second hatch will be 24 inch diameter and flanged with a removable cover so constructed that an exhaust fan may be connected for ventilation during inspection, maintenance, painting, and cleaning operations. The openings must have a minimum 4 inch curb

2.3.1.2 Tank Vent

Clog resistant tank vent must be centrically located on the tank roof above the maximum weir crest elevation. The vent must conform to Section

5.5 or 7.5 of AWWA D100 or Section 7.7 of AWWA D103. The tank vent must

SECTION 33 16 15 Page 8 have an intake and relief capacity sufficient to ensure that excessive pressure or vacuum, either entering or leaving the tank, will not be developed during maximum flow rate. The vent will be tank manufacturer's standard mushroom type constructed with corrosion resistant screen to prevent the ingress of wind driven debris, insects, birds and animals.

The vent must be designed to ensure fail-safe operation in the event that screen frosts over or otherwise clogged and the bottom of the screen must be sufficiently elevated for snow consideration in the area

2.3.1.3 Overflow

The overflow for the tank must consist of an overflow weir box and stub overflow capable of discharging at a rate of 94.65 L/sec with 1900mm of head . The stub overflow must be steel, ASTM A53/A53M or equal, must project at least 12 inches from the shell, and must be fitted with a screen.

2.3.1.4 Shell Access Manholes

Number, type, location, and size of manholes must be as shown on the drawings.

2.3.1.5 Pipe Connections

Number, type, location, load, and size of pipe connections must be as shown on the drawings. Inlet pipe connections to extend 457 mm below tank roof and must be provided with deflectors as shown on the drawings.

Outlet pipe connections to extend 305mm above tank bottom and must be provided with vortex breakers as shown on the drawings. Pipe connections to the tank must include a flexible coupling outside the tank to allow for differential movement. Pipe connections through the shell must include protection from freezing and vandalism. Piping must allow for differential movement when the tank is filled and drained. Special flexible, extendable connections must be provided for tanks subject to seismic loads.

Provide an anti-vortex plate assembly at each discharge outlet. The assembly shall consist of a horizontal steel plate that is at least twice the diameter of the outlet on a long radius elbow fitting, mounted at the outlet a distance above the bottom of the tank equal to one-half the diameter of the discharge pipe. The minimum distance above the bottom of the tank shall be 6 inches. Route all storage tank drain lines away from the building, road, and site, discharging over the cliff to the northwest of the tank location.

2.3.1.6 Ladders, Platforms, and Safety Devices

Ladders, platforms, and safety devices must be provided in accordance with Sections 7.4 of AWWA D100 or Sections 7.4 and 7.5 of AWWA D103. Location of ladders must be as shown on the drawings. Sections 7.4 of AWWA D100 and Sections 7.4 and 7.5 of AWWA D103 represent the minimum requirement.

In addition, safety cage, rest platforms, roof platforms, roof ladder handrails, and other safety devices must be provided as required by federal or local laws or regulations.

2.3.1.7 Balconies

Provide a balcony a minimum of 600 mm wide with a standard guard railing.

Provide a structural steel railing with a top rail 1050 mm above balcony

SECTION 33 16 15 Page 9 platform with an intermediate rail halfway between. Guard rail must be capable of withstanding a force of 888 N applied in any direction.

Install a steel toe board with minimum height of 100 mm . Bottom of toe board must be a maximum 6 mm from platform top. Extend guard rail and toe board entire length of balcony except where access openings are required.

For balcony floors use diamond plates a minimum of 6 mm thick, punched or drilled for drainage. Hatches through balcony floor must be counterbalanced or otherwise arranged to open from below.

2.3.2 Valve Chamber

Valve chamber must be sufficiently large to house all control valves and fittings; and allow for unobstructed maintenance and replacement. Pipes, valves, and fittings must be supported on concrete blocks where necessary. The valve chamber must be constructed to provide not less than 7000 mm of cover over the pipes. The valves and fittings must extend from the reservoir connection to a point one length of pipe outside the valve chamber walls on the main or feed line to the reservoir; the drain line will be carried to an outlet as indicated on the drawings. The access manhole must be not less than 760 mm in diameter.

2.3.3 Anchors for Reservoirs

The following requirements must be met:

a. An adequate number of anchors designed to prevent overturning for the maximum design uplift forces on the standpipe must be installed. If anchor bolts are used, the nominal diameter must not be less than 25 mm , plus a corrosion allowance of at least 6 mm on the diameter. If anchor straps are used, they must be pre-tensioned before welding to the tank shell.

b. The anchor bolts must be a right angle bend, hook, or plate washer, while anchor straps must have only a plate welded to the bottom. The anchors must be inserted into the foundation to resist the computed uplift.

c. Attachment of anchors to the shell must not add significant localized stresses to the shell. The method of attachment must consider the effects of deflection and rotation of the tank shell. Anchors must not be attached to the tank bottom. Attachment of the anchor bolts to the shell must be through stiffened chair-type assemblies or anchor rings of adequate size and height.

2.3.4 High and Low Water Level Alarm System

Provide high and low level devices for alarm monitoring and an intermediate device for tank water level status. All three water levels must be indicated by their respective pilot lights; green for high, amber for intermediate and red for low water levels, and a buzzer for low and high water levels. Buzzer and the respective pilot lights at high and low water levels must be energized while the high or low water level pilot device is actuated. Depressing a silencing button must silence the buzzer indicating the water level and must remain in OFF condition. The pilot light must remain energized. Resetting the pilot light must de-energize the pilot light and release the buzzer from its sealed-off condition.

Water level alarm system must be monitored by the fire alarm system with connection to the fire alarm system under Division 28. Monitoring points

SECTION 33 16 15 Page 10 to include high and low water level.

2.3.5 Heating System

Provide tank heating to comply with NFPA 22 and with capacity to maintain

5.6 degrees C at all times including coldest temperatures and lowest consumption.

Heating system will be a tank manufacturer supplied immersion tank heaters installed in a configuration as recommended by the manufacturer. Include all gaskets and mounting hardware required to maintain proper water seal at heater location. Heating system shall be supplied by 480/277V, 3-phase power. Heaters shall be 15 KW minimum but in no case be less than the manufacturer recommendation to prevent tank water freezing when used in conjunction with the selected tank insulation system for the geographic installation location of the tank.Coordinate final heater selection and required power requirements with Division 26.

The wiring terminal box for the heater shall be a NEMA 4 enclosure rated for outdoor locations.Heater system shall include all control circuits and sensors to accurately and automatically maintain tank water temperature to required set-point (assume not less than 5.6 deg. C unless otherwise recommended by the tank manufacturer).

Exposed portions of the tank fill and discharge piping shall be provided with appropriate freeze protection to protect any piping not covered with heat tracing and insulation.The water temperature in the tank must be monitored by a low-temperature sensor that is connected to the building fire alarm system.

Connection to the fire alarm system is under Division 28 - 2.3.4 Tank Insulation. The water storage tank shall be provided with an external insulation system which is supplied by the tank manufacturer, in accordance with NFPA 22 Section 16.4.

The insulation system shall completely encase the sidewalls and top of the tank as recommended by the manufacturer. The insulation shall accommodate access and function of all tank ports, man ways, hatches, piping connections, accessories, etc. Forms of permitted insulation include, but are not limited to, polyisocyanurate foam boards, spray foam, etc.

Insulation panels shall be secured to the tank by an internal cable-and-clip system. Insulation Minimum R-Value: To be determined based on selected tank, heater, configuration, and ambient environmental conditions. Provide protective environmental cover as recommended by manufacturer, per type of insulation system.

2.4 COATINGS

2.4.1 Tank Coating System for Bolted Tanks

As supplied by the manufacturer.

2.5 CONCRETE WORK

Concrete work must conform to Section 03 30 00 CAST-IN-PLACE CONCRETE.

SECTION 33 16 15 Page 11

2.6 CHLORINE

AWWA B300 for hypochlorites or AWWA B301 for liquid chlorine, mixed with water to give the solutions required in AWWA C652.

PART 3 EXECUTION

3.1 FOUNDATIONS

Foundations for the reservoir and for the valve chamber must be constructed of concrete, reinforced where necessary, and designed in accordance with Sections 12 and 13.7 of AWWA D100 or Sections 13 and 14.5 of AWWA D103 for earth with a bearing value of 0.192, and constructed in conformance with the applicable requirements of Section 03 30 00 CAST-IN-PLACE CONCRETE, except as shown or specified herein. A Type 1 or Type 2 foundation per AWWA D100 or AWWA D103 must be provided for the reservoir.

3.2 TANK INSTALLATION

Submit detailed erection drawings, before proceeding with any fabrication. Complete drawings with details of steel, piping and valve installation , and concrete work, and of the assembling of items required for the total installation. Use standard welding symbols in accordance with AWS D1.1/D1.1M and AWS D1.3/D1.3M . Details of welded joints referenced on the drawings must be included. Tank installation must be in accordance with the following requirements:

3.2.1 Welding

Section 8 of AWWA D100 or AWWA D103 and AWS D1.1/D1.1M and AWS D1.3/D1.3M .

3.2.2 Erection

Section 10 of AWWA D100 or AWWA D103 and in accordance with manufacturer's procedures using factory trained and certified erectors.

3.2.3 Inspections and Testing

Tank inspection and testing must be in accordance with Section 11 of AWWA D100 AWWA D103. Mill and shop inspections are required and must be performed by an approved commercial inspection agency. Perform the radiographic inspections of the welded tank shell, the hydrostatic test and the vacuum box leak test of the tank bottom. Final hydrostatic and leak tests must be performed before painting of welded tanks.

3.3 PIPING INSTALLATION (EXCEPT FOR OVERFLOW PIPING)

3.3.1 General Guidelines

Where details of fabrication or installation are not shown on the drawings, installation must conform to Section 1 and 4 of AWWA C600.

3.3.2 Testing of Valves and Piping

After the reservoir has been erected and the valves and piping installed, and before field painting is begun, the valves and piping must be hydrostatically tested in accordance with Section 5 of AWWA C600. Submit

SECTION 33 16 15 Page 12 each coating manufacturer's technical data, application instructions, Safety Data Sheets (SDS), and certificate for compliance for VOC content.

Submit copies of the following test results:

a. Manufacturer's mill test reports for plate material.

b. Mill and shop inspections by a commercial inspection agency.

c. After acceptance of the structure, the radiographic film and test segments.

At the conclusion of the work, a written report covering the hydrostatic test and certifying that the work was inspected in accordance with Section

11.2.1 of AWWA D100.

Replace with sound material any defective material disclosed by the pressure test; the test must be repeated until the test results are satisfactory.

3.3.3 Pipe Lining and Coating of Underground Ductile-Iron Piping

Polyethylene encasement in accordance with AWWA C105/A21.5 of underground ductile-iron piping must be provided in addition to cement-mortar lining.

3.3.4 Plugging Ends

Cap or plug pipe ends left for future connections as directed.

3.4 WIRING

Connect all power and control wiring in accordance with Division 26 and Division 28.

3.5 PAINTING AND COATING OF TANK

Each coating manufacturer's tank coating system technical data, application instructions, SDS, and certificate for compliance for VOC content must be submitted to the Contracting Officer. Application, curing time, mixing and thinning of the coating materials must be in strict accordance with the manufacturers instructions. The use of thinners must not alter the required minimum dry thickness or adversely affect the VOC content.

3.5.1 Bolted Tanks

The surfaces of both the interior and exterior of the tank must be coated in accordance with Section 12.3, Galvanized Coatings of AWWA D103. Color must be as approved. Coating damage during transportation and construction must be repaired per manufacturer's recommendations.

3.6 DISINFECTION

The reservoir and connecting lines thereto must be disinfected with chlorine before being placed in operation.

3.6.1 Tank

After coating system has been cured, inspected, and approved cured, rinse tank with potable water. After flushing, the reservoir must be disinfected

SECTION 33 16 15 Page 13 in accordance with AWWA C652. After the chlorination procedure is completed and before the storage facility is placed in service, the Contracting Officer will collect samples of water in properly sterilized containers for bacteriological testing from the full facility in accordance with Section 5 of AWWA C652. The tank will not be accepted until satisfactory bacteriological results have been obtained.

3.6.2 Piping

The valves and piping must be disinfected in accordance with Section

33 11 00 WATER UTILITY DISTRIBUTION PIPING.

-- End of Section --

SECTION 33 16 15 Page 14

1.4 SHIPPING, HANDLING, AND STORAGE