attachment_12_RFB DMAVS 2025-03.pdf

Project Manual

Tighe&Bond

Center Strafford Disinfection Upgrades System Army National

Guard State of New Hampshire

State of New Hampshire Department of Military affairs and Veterans Services

March 12, 2025

P R

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S M

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H A

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3/12/2025

MATTHEW

ROMANO

No.14059

03/12/2025

DEREK

BELANGER

No.17730

03/12/2025

N0967-0105 03/2025 TOC-1 Table of Contents

Center Strafford Disinfection Upgrades

New Hampshire Army National Guard

Center Strafford, NH

Table of Contents

Section Title

Number of Pages

Division 11 - Equipment

11000 Equipment – General 4

11200 Water Treatment System 6

11240 Chemical Metering Pumps 6

11243 Chemical Feed System Miscellaneous 3

11310 Sump Pumps 4

Division 13 – Special Construction

13420 Instrumentation 10

Division 15 – Mechanical

15050 Piping – General 5

15060 Hangers and Supports 4

15075 Mechanical Identification 4

15104 Plastic Pipe and Fittings 3

15109 Flexible Hose and Fittings 2

15110 Valves 5

15120 Piping Specialties 3

15125 Meters and Gauges 3

15411 Eyewash/Shower Station 2

Division 16 – Electrical

16050 Basic Electrical Requirements 4

16070 Electrical Hangers and Supports 3

16075 Electrical Identification 3

16080 Electrical Testing 5

16120 Conductors and Cable 3

16131 Conduit 5

16136 Boxes 4

16140 Wiring Devices 3

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Disinfection\Construction\TOC .docx

Center Strafford Disinfection Upgrades March 2025

N0967-0105/03/2025 11000-1 Equipment - General

SECTION 11000

EQUIPMENT - GENERAL

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes

1. General requirements for the equipment and services to be provided under the

Sections of Divisions 11, 13 and 15, including, but not limited to, the following:

a. Handling, storing, and installing materials and equipment during the progress of the work

b. Coordination with equipment suppliers and subcontractors

c. Anchor bolts and assembly hardware

d. Services of manufacturers’ representatives for start-up, inspection, and testing

e. Operation and maintenance manuals

f. Operator training

g. Lubricants, spare parts, nameplates, special tools, and safety equipment

h. Off-site inspection

i. Equipment substitutions

B. Related Sections

1. Division 11 – Equipment

2. Division 13 – Special Construction

3. Division 15 – Mechanical

4. Division 16 – Electrical

1.2 DELIVERY, STORAGE AND HANDLING

A. Provide dry, heated, and ventilated storage facilities for materials and equipment awaiting incorporation in the Work. Be responsible for the protection, loss of, or damage to materials and equipment furnished until final completion and acceptance of the work.

Pay for all storage and demurrage charges from suppliers and transportation companies.

Defective material and equipment shall be removed immediately from the site of the work, at no additional cost to the Owner.

B. Coat all machined surfaces subject to corrosion with an easily removable rust preventive compound prior to shipment.

C. Ship fabricated assemblies in the largest sections permitted by carrier regulations, properly labeled for field erection.

D. Deliver equipment in manufacturer's original, unopened and undamaged packages, unless mounted on equipment assembly.

E. Contractor shall store and maintain all equipment in strict accordance with the manufacturer's written short-term and long-term storage requirements.

F. Store in a manner to protect items with epoxy shop coatings from exposure to UV light which can cause chalking of the epoxy. Length of acceptable exposure prior to providing

UV protective measures shall be in accordance with coating manufacturer's

N0967-0105/03/2025 11000-2 Equipment - General recommendations. This includes protection from UV light after installation while awaiting covering or filling of tanks, or field finish painting for items scheduled to be top coated.

G. Should damage occur, immediately make all repairs and replacements necessary to the satisfaction of the Engineer at no cost to the Owner.

PART 2 PRODUCTS

2.1 MATERIALS

A. Anchor bolts, nuts, washers, bolt sleeves, and assembly hardware shall be titanium.

Expansion bolts shall be "Thunderstuds", as manufactured by Unifast Industries, Inc., Hauppauge, NY; Redhead "Wedge Anchors" as manufactured by ITT Phillips, Michigan

City, ID; Parabolt as manufactured by the Molly Division Emhart Corp., or equal. Epoxy encapsulated bolts shall be Hilti HIT-HY 200 Adhesive Anchors or equal. All expansion bolts and associated hardware are to be stainless steel.

B. Manufacturer provided electrical work shall meet the requirements of Division 16 -

Electrical.

C. Nameplates - Provide with each piece of equipment a nameplate of non-corrodible material, fastened in place and permanently inscribed with the manufacturer's name, model or type designation.

PART 3 EXECUTION

3.1 ERECTION, INSTALLATION, APPLICATION

A. Coordination

1. Coordinate mechanical, electrical and instrumentation requirements of the equipment covered by this section with each of the Suppliers and Subcontractors working on the project. This includes but is not limited to providing each with copies of preliminary and final submittals for each equipment item that may impact the work of another Supplier or Subcontractor. The Owner is not liable for any additional costs that originate from the Contractor’s failure to properly coordinate this work. The Owner is not responsible for any extra costs related to removal or replacement of equipment, components, conduits or wire resulting from the failure to coordinate equipment requirements.

B. Anchor Bolts, Inserts and Assembly Hardware

1. Anchor bolts and expansion bolts are to be provided by the manufacturer and set accurately in the Work by the Contractor. Do not damage the structure or finish by cracking, chipping, or spalling concrete during the drilling and setting.

2. Concrete inserts shall be designed by the manufacturer to support safely, in the concrete that is used, the maximum load that can be imposed by the hangers used by the inserts. Provide galvanized inserts which permit adjustment of the hangers both horizontally (in one plane) and vertically and locking of the hanger head or nut.

3. Manufacturer shall provide assembly hardware in accordance with the complete parts list. Label all assembly hardware and package separately for delivery to the job site.

3.2 SITE QUALITY CONTROL

A. Performance Tests - General

N0967-0105/03/2025 11000-3 Equipment - General

1. All equipment, components and systems furnished under this Contract, including those furnished by Subcontractors, must be demonstrated to achieve compliance with the Contract performance requirements.

2. Furnish all chemicals and water required for the start-up, debugging, and performance testing of all systems furnished under this Contract.

B. Services of a manufacturer's representative

1. Arrange for a qualified service representative from each company manufacturing or supplying equipment to perform the work described in this section.

2. Inspect, operate, test, and adjust the equipment after installation has been completed and the equipment is presumably ready for operation, but before it is operated by others. At a minimum, include the following points in the inspection:

a. Soundness (without cracked or otherwise damaged parts).

b. Completeness in all details, as specified.

c. Correctness of setting, alignment, and relative arrangement of various parts.

d. Adequacy and correctness of packing, sealing and lubricants, etc.

3. Operate, test, and adjust equipment to prove that it is left in proper condition for satisfactory operation under the conditions specified.

4. Upon completion of this work, submit, 3 copies to the Engineer of a complete, signed report of the results of this inspection, operation, adjustments, and tests.

Include in report a detailed description of the points inspected, tests and adjustments made, quantitative results obtained, and suggestions for precautions to be taken to ensure proper maintenance. Certify in the report that the equipment (1) has been satisfactorily installed and conforms to the Contract

Documents; (2) is in accurate alignment; (3) is free from any undue stress imposed by connecting piping, supports or anchor bolts; (4) has been operated under full load and operates satisfactorily; and (5) that nothing in the installation will render the manufacturer's warranty null and void.

5. After the Engineer has reviewed the reports from the manufacturer's representatives, make arrangements to have the manufacturer's representatives present when the field acceptance tests are made.

C. Off-Site Inspection - Fabrication, manufacture, painting or testing work may be inspected by the Engineer before shipment. Give notice to the Engineer of the place and time where such fabrication, manufacture, testing, or shipping is to be done. Such notice shall be in writing and delivered to the Engineer in ample time so that the necessary arrangements for the inspection can be made.

3.3 CLOSEOUT ACTIVITIES

A. Operator Training

1. Upon satisfactory completion of the start-up and calibration, provide the services of a manufacturer’s trained representative to instruct Owner's personnel in the proper operation and maintenance of the equipment. This separate period of on-site training shall be provided independent of start-up and testing services.

N0967-0105/03/2025 11000-4 Equipment - General

2. The manufacturer's trained representative who will be providing the instruction shall have prior operation, maintenance and instructing experience acceptable to the Engineer.

3. When requested, submit the manufacturer's trained representative's name and qualifications to the Engineer for approval at least one week prior to the scheduled operating and maintenance instruction sessions.

4. Provide the Owner with a minimum 7 days written notice of planned operator training.

5. Coordinate the scheduling of on-site training with Owner.

3.4 PROTECTION

A. Protection Against Electrolysis - Where dissimilar metals are used in conjunction with each other, provide insulation between adjoining surfaces to eliminate direct contact and any resultant electrolysis. Use bituminous impregnated felt, heavy bituminous coating, non-metallic separators or washers, or other approved materials as insulation materials.

3.5 MAINTENANCE

A. Lubricants - Prior to testing and acceptance, furnish a one year's supply of all lubricants recommended by the manufacturers of each component of the equipment provided.

B. Spare Parts – Pack spare parts in containers or boxes bearing labels clearly designating the contents and the piece of equipment for which they are to be used.

C. Special Tools - For each type of equipment furnished, provide a complete set of special tools (including grease guns or other lubricating devices) which may be necessary for the adjustment, operation, maintenance, and disassembly of such equipment. Tools shall be high-grade, smooth, forged, alloy, tool steel. Grease guns shall be lever type. Special tools are considered to be those which because of their limited use are not normally available, but which are necessary for the particular equipment.

D. Submit operation and maintenance manuals for items listed in pertinent other sections of these Specifications and for other items when requested by the Engineer. Provide manuals prior to equipment start-up.

E. Submit Final Documentation and Equipment Startup Reports.

F. Plant Equipment Substitutions Which Cause Engineering and Contract Changes - Plant equipment installation as shown on the Drawings and as specified herein, are based on the equipment furnished by one manufacturer. Equipment which is offered as a substitute to the specific requirements of these Specifications and which differs in detail and arrangement from that shown may require changes in design and construction. All costs which result from such changes in design and construction are to be borne entirely and unconditionally by the Contractor; said costs to include but not be limited to structural, piping, mechanical and electrical changes and all engineering costs incurred as a result of the substitution, in the revision of Drawings and Specifications, review of design changes by others, preparation of Change Orders, and any other costs directly resulting from said substitution.

END OF SECTION

F:\Projects\N\N0967 NH Army National Guard - On Call Services NHARNG\0105 - Center Strafford Disinfection\Construction\Specifications\Div 11\11000.docx

N0967-0105/03/2025 11200-1 Water Treatment System

SECTION 11200

WATER TREATMENT SYSTEM

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Sodium Hypochlorite disinfection system.

B. Sediment filter.

C. Related sections

a) Section 11000 Equipment General

b) Section 13420 Instrumentation

c) Section 15060 Hangers and Supports

1.2 PERFORMANCE CRITERIA

A. Disinfection System Design Requirements:

1. Water treatment facility design flow rate

a) Average Flow: 25 gpm

b) Maximum Design Flow: 50 gpm

2. Target Chlorine residual

a) Minimum Chlorine Residual: 0.1 mg/L

b) Target Chlorine Residual: 0.3 mg/L

c) Maximum Chlorine Residual: 1 mg/L

3. Design chemical strength: 12.5% Trade Solution of Sodium Hypochlorite diluted to 1.22% (10 gallons water: 1 gallon NaOCl)

4. Design influent water quality

a) Source: Softener Effluent

1) Nitrate:<1.0 mg/L

2) Chloride: 16 mg/L

3) pH: 7.53

4) Iron: <0.05 mg/L

5) Manganese: <0.01 mg/L

6) Calcium: <0.1 mg/L

7) Magnesium: <0.1 mg/L

8) Sodium: 49 mg/L

N0967-0105/03/2025 11200-2 Water Treatment System

9) Total Hardness: <4 mg CaCO3

1.3 QUALITY ASSURANCE

1. Water quality testing for determining compliance shall be performed in a laboratory certified to perform drinking water analyses for public drinking water systems by the New Hampshire Department of Environmental Services.

1.4 SUBMITTALS

A. The equipment supplier(s) shall submit to the Engineer shop drawings, details, data sheets, and other descriptive drawings and material as may be required for the

Engineer to verify compliance with the contract documents.

B. All submittals shall be complete, neat and orderly. The submittals shall include the following as applicable:

1. Custom, CAD generated shop drawings pertinent to this specific application showing interconnections of the components in the system, including scaled double line piping drawings, control logic schematic/wiring diagrams, internal wiring detail, and panel internal arrangements, control panel equipment charts, equipment arrangements, installation and erection details etc.

2. Equipment descriptions of each piece of equipment specified.

3. Description of the operation and control of the equipment along with an annotated copy of the control logic program.

4. Process Performance Guarantee

C. All submittals shall be clearly marked to indicate conformity with this specification and related sections.

D. Warranties for all system components.

1.5 OPERATIONS & MAINTENANCE MANUALS

A. Provide O&M manuals per Section 11000

1. All information provided in the O&M manuals shall be project specific and shall contain necessary edits to standard documentation to reflect the installed equipment. All O&M manuals shall be clearly marked to indicate as built conditions.

2. Draft O&M manuals shall be submitted electronically after the installation of equipment. Draft O&M manuals shall be resubmitted electronically prior to delivery of hardcopy O&M manual.

3. All process testing results and reports shall be appended to the O&M manual prior to substantial completion.

PART 2 PRODUCTS

1. All water treatment system equipment shall be NSF 61 approved.

B. SODIUM HYPOCHLORITE DISINFECTION SYSTEM

C. Sodium Hypochlorite Metering Pump

N0967-0105/03/2025 11200-3 Water Treatment System

1. Furnish and install M1 FLEXFLO peristaltic metering pump per Section 11240.

2. Pump tubing shall be 3/8” PE Tubing.

3. Accessories

a) Flow Meter for speed control

1) Chemical pump shall be flow paced based on a flow meter on the water line.

2) Chemical pump shall be able to accept a 4-20mA input signal from flow meter.

3) Flow meter shall be an inline meter with a 4-20 mA output signal and shall be compatible with the metering pump provided.

4) The flow meter shall be a BUB087 2-inch stainless steel inline flow meter with meter control by Repco or equal.

b) Foot strainer for clogging protection

1) Foot strainer shall be installed on pump suction piping to filter solids for prevention of clogging of the chemical injection check valve.

2) Foot strainer shall be Blue-White Foot Strainer compatible with

FLEXFLO peristaltic pumps or approved equal.

3) Degassing valves for air locking prevention.

4) Degassing valves shall expel excess gas in the pumping system on both the suction and discharge side of the dosing pumps.

5) Degassing valves shall be installed at the high points of chemical feed piping on the suction and discharge side of each pump.

6) Degassing valves shall be Sentinel PVC degassing valve or approved equal.

D. High Density Linear Polyethylene (HDLPE) Storage Tank for liquid Sodium

Hypochlorite

1. Vertical, flat bottom, closed top construction with translucent materials (natural color) to allow observation of liquid level.

2. Type II in accordance with ASTM D-1998.

3. Plastic shall not contain any fillers. It shall contain a long term U.V. stabilizer.

Pigments added to the tank shall not exceed 0.5 percent of the weight of the tank.

4. Finished surface shall be free from visual defects such as foreign inclusions, air bubbles, pin holes, and craters.

5. Polyphosphate storage Tank shall be NSF 61 approved.

N0967-0105/03/2025 11200-4 Water Treatment System

6. Nominal values of the properties of the plastic material shall be as follows, based on the molded parts:

Property ASTM Specification Value

Density (resin)

D1505 0.941-0.945 g/cm3

ESCR Spec. Thickness

125 mils F50

D1693 >1000 hrs

Tensile Strength –

(yield strees 2”/min.)

D638 2,800 – 3220 psi

Elongation at Yield 2-in/min. D638 10% - 18%

ESCR (100% lgeoak, Cond A, F50)

D1693 560-720 hours

ESCR (10% lgeoak, Cond A, F50)

D1693 40-48 hours

Flexural Modulus 1% seacant D790B 130,000 psi

7. Tank shall have the properties indicated in the tank schedule:

Tank Schedule

Description

• Type

• Capacity

Storage Tank

HDLPE

45 Gallons

Service

• Material Storage

• Material S.G.

• Working Temp.

1.22% Sodium Hypochlorite

1.2

90 °F

Fitting Materials

• Bolts

• Flanges

• Gaskets

316 SS

Schedule 80 PVC

EPDM

Nozzles (inches)

• Minimum Fill Opening Diameter

• Overflow

• Vent

6”

No

2” BHF

8. Chemical Containment Pallet

a) Chemical containment pallet shall have a minimum sump capacity of 50 gallons

b) Manufacturer

1) UltraTech 9607 - Ultra-Spill Pallet P1 Plus

2) Or approved equal

2.2 SEDIMENT FILTER

A. In-line filter

1. Furnish and install two in-line plastic filter cartridge housing systems for sediment filtration meeting the following requirements:

N0967-0105/03/2025 11200-5 Water Treatment System

a) Microns: 5

b) Flow rate: 50 gpm

c) Connection size: 2” NPT

d) Max pressure: 100 psi

e) Maximum clean filter pressure drop: <1 psi

2. 4 spare cartridge shall be supplied.

3. Cartridge and filter shall be NSF 61 approved.

4. Manufacturer

a) Pentek of Pentair Water

b) Or approved equal

PART 3 EXECUTION

3.1 INSTALLATION

A. Installation of equipment shall be in strict accordance with the manufacturer's instructions and recommendations and shall include everything necessary for proper system operation once connected.

3.2 MANUFACTURER'S SUPERVISION, INSPECTION AND TRAINING

A. The supervisory service of a factory-trained service engineer, who is specifically trained in the type of equipment herein specified, shall be provided for a period of at least 4 hours to provide the necessary start-up testing and training. The factory-trained service engineer shall assist the contractor or subcontractor with technical advice on the installation of the major components of the treatment equipment to include:

1. Proper setting of interior piping.

2. Proper alignment of chemical metering pumps and chemical storage tank.

B. Upon completion of the installation, the services of the above service engineer shall be provided for a period one day to check the completed installation, make any required adjustments, initiate a trial performance run and place the system in satisfactory operation. The service engineer shall have complete responsibility for the initial operation of the facility including the selection of chemical feed rates to produce finished water quality which meets the performance guarantee. The minimum period of time specified does not relieve the manufacturer of providing sufficient service to place the system in satisfactory operation.

C. In addition to the above, the manufacturer shall provide the services of the service engineer for instructing the operating personnel.

3.3 PROCESS PERFORMANCE TEST

A. The process performance test is a demonstration of the product’s or process’s ability to meet pre-agreed standards. Following start-up of the filtration system units by the manufacturer and after the process has become acclimated, the Owner shall establish a two day period for conducting a full load performance test.

N0967-0105/03/2025 11200-6 Water Treatment System

B. The Owner will provide all raw water necessary to operate the water treatment system.

C. Contractor shall provide all media and incidentals necessary to operate the water treatment system. System shall be operated to waste with the contractor providing the necessary connections and temporary piping as necessary.

D. The manufacturer shall provide personnel to conduct the process performance test, perform water quality sampling and analysis, and provide a written report on the test.

Record flow rate and treated water quality at the start of the testing and after each 24 hour period (total of 3 sampling events). Raw and treated water samples shall be tested for iron and manganese. Testing shall be completed with both IX filters running at 25 gpm each.

E. The water quality shall be determined based on averages of the samples taken during the test period. At the end of the test period, the manufacturer shall consolidate the test data and provide the Owner with the results.

F. Once on-line, the water treatment system equipment shall run continuously, without equipment problems for seven (7) consecutive days prior to consideration of substantial completion of the equipment by the Owner.

G. Exclusive Remedy - In the event the water filtration system fails to meet the Process

Performance Guarantee herein, the manufacturer’s sole obligation and owner’s sole remedy hereunder shall be to replace or repair the water treatment plant as the manufacturer deems appropriate to enable such plant to meet such guarantee.

END OF SECTION

Disinfection\Construction\Specifications\Div 11\11200.docx

N0967-0105/03/2025 11240-1 Chemical Metering Pumps

SECTION 11240

CHEMICAL METERING PUMPS

1.1 SUMMARY

A. Section includes

1. Chemical Metering Pumps

2. Accessories

3. Chemical Metering Pump Control Station

1.2 REFERENCES

A. Institute of Electrical and Electronics Engineers (IEEE): 112, Standard Test Procedure for Polyphase Induction Motors and Generators.

B. Hydraulic Institute Standards

C. National Electrical Manufacturer's Association (NEMA): MG 1, Motors and

Generators.

1.3 SUBMITTALS

A. Shop Drawings

1. Make, model, weight, and horsepower of each equipment assembly.

2. Complete catalog information, descriptive literature, specifications, and identification of materials of construction.

3. Performance data on pumps, including curves showing flow rate verses pump stroke setting (in percent) at specified maximum speed in strokes per minute and at minimum pump speed.

4. Pump data sheet confirming pump capacity in gallons per hour and pressure in psig, required backpressure valve setting, pumped chemical characteristics, pipe connection sizes, stroke rate, materials, testing requirements, intermediate fluid type, and appurtenances to be provided with pumps.

5. Detailed dimensional drawings for pump and driver, including mounting requirements and piping connection sizes and locations.

6. Power and control wiring diagrams, including terminals and numbers.

7. Complete motor nameplate data, as defined by NEMA, motor manufacturer, and including any motor modifications.

8. Manufacturer’s materials compatibility information, confirming compatibility of wetted parts with specified pumped chemicals.

9. Factory finish system.

10. Functional description of internal and external instrumentation and controls to be supplied including list of parameters monitored, controlled, or alarmed.

N0967-0105/03/2025 11240-2 Chemical Metering Pumps

B. Quality Control Submittals

1. Factory Functional and Performance Test Reports.

2. Special shipping, storage and protection, and handling instructions.

3. Manufacturer's printed installation instructions.

4. Manufacturer's Certificate of Proper Installation.

5. Suggested spare parts list to maintain the equipment in service for a period of

1 year and 5 years. Include a list of special tools required for checking, testing, parts replacement, and maintenance with current price information.

6. List special tools, materials, and supplies furnished with equipment for use prior to and during startup and for future maintenance.

7. Operation and maintenance manuals.

1.4 QUALITY ASSURANCE

A. Pump manufacturer shall have a minimum of 5 years experience in the manufacture of pumps similar to those specified in this section.

B. Qualified suppliers shall have a certified ISO 9000 quality assurance program.

Supplier shall provide a copy of current certification by an accredited audit agency.

C. Qualified manufacturers shall have authorized regional service and repair centers.

Regional service staff shall be certified through a quality program that includes a minimum of one week factory training every two years and an acceptable performance on a comprehensive examination at the end of each training session.

D. Qualified suppliers shall test all pumps for acceptable performance with fully automated test fixtures with computer output of test results. A copy of test results shall be supplied with each metering pump.

1.5 MAINTENANCE

A. The manufacturer shall provide a minimum 3-year warranty from the time of shipment against defects in materials and workmanship on all mechanical components of the pump.

B. Pumps shall be as similar as practical with respect to spare parts to minimize spare parts inventory.

1.6 EXTRA MATERIALS

A. Furnish, tag, and box for shipment and long-term storage the following spare parts and special tools for each set of metering pumps:

1. For each individual chemical metering pump:

a. 12 hoses

b. 1 Tube of food grade silicon grease

c. 1 complete set of gaskets

N0967-0105/03/2025 11240-3 Chemical Metering Pumps

d. 1 set of spare fuses

e. 1 jar of Lox-8 Paste

2. One set of all special tools required for normal operation and maintenance shall be furnished with the equipment.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Metering pumps shall meet the following requirements:

Min Flow Rate: 0.001 GPH

Max Flow Rate: 0.5 GPH

Max injection pressure: 100 psi

B. Metering pumps shall be M1 FLEXCO Peristaltic Metering Pump or approved equal.

2.2 PUMP

A. Pumps shall be positive displacement, peristaltic type pumps with a brushless variable speed motor.

B. Pump shall be capable of running dry without damage.

C. Pump shall be capable of operating in either direction without output variation.

D. Pump must be capable of operation at a minimum internal fluid pressure of 9 psia (4 psi vacuum).

E. Squeeze rollers with encapsulated ball bearings shall be directly coupled to a one-piece thermoplastic rotor. Four polymeric rollers shall be provided; two squeeze rollers for tubing compression shall be located 180 degrees apart and two guide rollers that do not compress the tubing shall be located 180 degrees apart. The roller diameters and occlusion gap shall be factory set to provide the optimum tubing compression; field adjustment shall not be required. Spring loaded or hinged rollers shall not be used.

F. Rotor assembly shall be installed on a D-shaped, chrome plated motor shaft and removable without tools.

G. Connection fittings shall be permanently clamped to the tubing with stainless steel clamps or over molded directly to the tubing. To prevent tubing misalignment and ensure accuracy, fittings shall insert into keyed slots located in the pump head and secured in place by the pump head cover.

H. Motor

1. Motor shall be reversible, brushless DC gear motor rated for continuous duty

2. Motor shall include overload protection

I. Control Circuitry

1. All control circuitry shall be integral to the pump and capable of adjusting the pump motor speed from 0.001% to 100.0% in 0.001% increments less than 1%

N0967-0105/03/2025 11240-4 Chemical Metering Pumps motor speed, in 0.01% increments between 1% and 10% motor speed, and in

0.1% increments greater than 10% motor speed (10,000:1 turndown ratio).

2. The pump output shall be capable of being manually controlled via front panel user touchpad controls.

3. The pump output shall be capable of being remotely control via 4-20mA analog input. The input resolution shall be 0.01 of input value and capable of adjusting the pump motor speed from 0% to 100.0% motor speed in 0.1% increments.

4. The pump shall include an internal cycle timer capable of automatically cycling the pump on and off. The pumping total cycle time shall be adjustable from 1 to 999999.9 seconds. The pumping on time during the cycle shall be adjustable from 1 to 999999.9 seconds. The pump motor speed during the cycle shall be adjustable from 0% to 100.0% motor speed in 0.1% increments.

5. The pump shall be capable of automatically calculating the pump motor speed required to achieve a part per million dosing output that is proportional to a variable system flow rate. The pump shall permit the user to input the dispensing chemical percentage concentration from 0% to 100.0% in 0.1% increments.

2.3 CHEMICAL METERING PUMP CONTROL STATION

A. Chemical Feed Pump Control Station enclosure shall be designed to insulate and house control devices in wet, dusty, and/or corrosive environments. Enclosure shall be rated

UL 508A Type 4X and/or NEMA Type 4X and shall be constructed of Polycarbonate material.

B. Power provided to each Control Station shall be 115VAC.

C. Each Control Station shall include the following:

1. Hand-Off-Auto Switch with spring return from the Hand position.

2. Remote start stop control from PLC, SCADA, or other sending device.

3. Emergency Stop Pushbutton push to activate and twist to release.

4. Panel mount alarm device providing both visual and audible indication.

5. Front Panel Mount analog timer with a range of 3 to 60 minutes. Timer shall be operator adjustable from the front dial.

6. On status and In Auto status contacts to provide indication to remote PLC, SCADA or other receiving device.

7. 115VAC and Dry Contact Outputs to energize Metering Pump.

8. Fuse holder and 10 amp fuse. Fuse shall be accessible from the outside without opening the Control Station enclosure.

9. Pump Control Station shall be CTI Dynamix XPCS or equal

2.4 ACCESSORIES

A. Equipment Identification Plate: 16-gauge stainless steel with ¼-inch die-stamped equipment tag number securely mounted in a readily visible location.

N0967-0105/03/2025 11240-5 Chemical Metering Pumps

2.5 SAFETY

A. The pump shall be certified to NSF Standard 61 Drinking Water System Components, UL standard 778 motor operated pump and CSA standard C22.2 process control equipment.

2.6 SOURCE QUALITY CONTROL

A. Functional Test: Perform manufacturer’s standard motor test on all equipment provided.

2.7 ACCESSORIES

A. Equipment Identification Plate: 16-gauge stainless steel with 1/4-inch die-stamped equipment tag number securely mounted in a readily visible location.

B. Anchor Bolts: Type 316 stainless steel, sized by equipment manufacturer, 1/2-inch minimum diameter. Provided in accordance with manufacturer’s requirements.

C. Calibrated Column: Graduation markings shall be in fractions of gallons or millimeters in proportion to the size of the column. Column shall be constructed of clear polypropylene and PVC with ball type shutoff valve, sealed on both ends with appropriately sized NPT threaded ports both top and bottom. Column shall be sized to allow a minimum 30-second drawdown at maximum pump speed. Provide calibration columns as shown on Drawings.

D. Pressure Gauges: Discharge pressure gauge shall have a 3.5-inch dial with a liquid filled case, stainless steel tube and socket with a pressure range of 0-160 psig.

Discharge gauge shall be assembled to a diaphragm seal with a Teflon diaphragm and

½-inch NPT PVC process connection.

E. Valves:

1. Provide valves in accordance with Section 11243.

2. Design and set valves as shown on the Drawings to protect from siphoning (in the event of a roller failure), over pressure (in the event of a closed valve downstream) while allowing normal operation at the maximum discharge pressure specified in the data sheets under Paragraph 3.4.

3. Pressure Relief Valves: Adjustable pressure relief type installed on pump discharge, as shown on Drawings and in accordance with Section 11243.

Pressure relief shall be adjustable from 0-100 psi. Connections shall be designed with unions and socket welded. Provide with PVC body and PTFE/EPDM diaphragm.

PART 3 EXECUTION

3.1 INSTALLATION

A. Install in accordance with manufacturer's printed instructions.

B. Anchor Bolts: Accurately place using equipment templates.

3.2 FIELD QUALITY CONTROL

A. Conduct tests on each pump.

N0967-0105/03/2025 11240-6 Chemical Metering Pumps

B. Functional Test

1. Alignment: Test complete assemblies for correct rotation, proper alignment and connection, and quiet operation.

C. Performance Test

1. Perform under actual or approved simulated operating conditions.

2. Test for a continuous 3-hour period without malfunction.

3. Perform field tests on all completed pump assemblies, as required by the Pump

Data Sheets, to demonstrate their conformance to the Specifications to the satisfaction of Engineer. A test log shall be presented to the Engineer upon completion of each test that records flow, as measured by graduated containers.

4. Flow measurements shall be made at the following conditions:

a. 10, 25, 50, 75, to100 percent speed.

5. Units apparently failing to meet the Specifications to the satisfaction of the

Engineer shall be more accurately tested in accordance with Hydraulic Institute

Standards.

3.3 MANUFACTURER'S SERVICES

A. Manufacturer's Representative: Present at site or classroom designated by the Owner, for minimum person-days listed below, travel time excluded:

1. 1 person-day for installation assistance, inspection, and start-up.

2. 1 person-day for post-startup training of Owner’s personnel.

END OF SECTION

Disinfection\Construction\Specifications\Div 11\11240.docx

N0967-0105/03/2025 11243-1 Chemical Feed System

Miscellaneous

SECTION 11243

CHEMICAL FEED SYSTEM MISCELLANEOUS

PART 1 GENERAL

1.1 SUMMARY

A. This section of the specifications covers the furnishing and installing of chemical feed system miscellaneous equipment as follows and as shown on the Drawings.

B. Section Includes:

1. Foot Valve Strainer

2. Tubing Connectors

3. Secondary Containment Pallet

4. Drum Truck

5. Calibration Columns

6. Pressure Gauges

1.2 RELATED SECTIONS

A. Section 11240 - Chemical Metering Pumps

B. Division 13 – Special Construction

C. Division 16 - Electrical

1.3 SUBMITTALS

A. Contractor shall electronically submit, to the Engineer, a set of complete and GC reviewed shop drawings, details, data sheets, and other descriptive drawings and materials as may be required to fully describe the equipment proposed and verify conformance with the contract documents.

B. All submittals shall be complete, neat and orderly. The submittals shall include the following as applicable:

1. Equipment descriptions for each piece of equipment specified.

2. Description of installation, operation and control of equipment.

3. Four (4) copies of operation and maintenance requirements for each component and the overall systems.

4. Chemical compatibility charts for all materials contained within the submittal

1.4 QUALITY ASSURANCES

N0967-0105/03/2025 11243-2 Chemical Feed System

Miscellaneous

A. It shall be the Contractor’s responsibility to ensure all equipment is delivered and stored as recommended by the manufacturer and to protect against physical damage and moisture.

B. Costs to repair or replace improperly handled equipment shall be borne by the

Contractor.

PART 2 PRODUCTS

2.1 FOOT VALVE STRAINER

A. Foot Vale Strainer with check valve shall be installed on the suction side of sodium hypochlorite and phosphate metering pump.

B. Foot valve strainer shall consist of a Kynar tubing adapter, viton o-rings, and ceramic ball which sits within a Kynar body. The foot valve shall be encapsulated in a PVDF screen.

C. Foot valve strainers shall sit at the bottom of the chemical day tank.

2.2 SECONDARY CONTAINMENT PALLET

A. Provide one HDPE secondary containment pallet to be used as additional chemical drum storage for sodium hypochlorite. The pallet shall consist for modular platforms with removable flat top grating, drain, forklift compatible bodies with interlocking U channels on the side. The sump volume shall be a minimum of 45 gallons.

2.3 DRUM TRUCK

A. Provide an aluminum drum truck with pneumatic wheels and brake compatible with

30 and 55-gallon steel or plastic rimmed drums. The drum truck shall have two 12-inch front wheels and two 6-inch rear wheels with a minimum load capacity of 350 lbs. The drum truck shall be equipped with a spring loaded chime hook, reversible nose prongs and handle-controlled brakes.

2.4 CALIBRATION COLUMNS

A. Calibration columns for pumps shall be sized to allow for complete drawdown of the column within 30 seconds at the max flow rate of the pump.

B. Calibration columns shall be clear PVC cylinders marked in US gallons per hour and milliliters and shall have a grey PVC cap glued to each end of the cylinder. The caps shall have 1/2-inch FNPT connection and be equipped with isolation ball valves and extension nipples.

C. Calibration Columns shall be manufactured by Griffco Valve, Inc., Balcoh Fluid

Control, Sigmamotor Inc, or equal.

2.5 PRESSURE GAUGES

A. Pressure gauges shall be provided where shown on the drawings, specified in the detailed specifications or required for a complete installation.

N0967-0105/03/2025 11243-3 Chemical Feed System

Miscellaneous

B. Gauges shall be installed on the upstream and downstream piping of each backpressure regulating valve. Gauges shall be installed on the downstream piping of each metering pump.

C. The pressure gauge shall have a 2-1/2inch diameter face with black markings on white backgrounds. Threaded gauge corrections are stainless steel, pointers aluminum, and lenses heavy flat glass. Sensing elements are 316 stainless steel bourdon tubes. A transparent acrylic gauge shield with Buna-N o-ring seal shall also be provided.

D. Select the proper pressure range for the service intended. Pressure ranges shall be approximately twice the normal working pressure. Pressure ranges shall be graduated in 2 PSI increments.

E. Pressure gauges installed within the chemical feed system shall be provided with a pressure gauge guard. The guard shall consist of an upper body section (gauge side) filled with glycerin. A diaphragm shall separate the glycerin from the lower body section which connects to the pressure source. The upper body shall have a 1/4-inch

FNPT port for connecting the pressure gauge and a 1/2-inch FNPT port for connection to the feed line.

1. Isolator bodies shall be stainless steel for Potassium Hydroxide and PVC for all other chemicals.

2. Gasket/Seal materials shall be Viton for Sodium Hypochlorite and shall be

EDPM for all other chemicals.

F. Pressure gauges shall be manufactured by Blacoh Fluid Control, Sigmamotor Inc, or equal.

PART 3 EXECUTION

3.1 INSTALLATION

1. Chemical Feed Equipment

a. Supply the services of a factory trained service engineer upon completion of the installation, for at least five 8-hr. days, for placing the equipment in service, calibrating the equipment, and instructing the operating personnel. The minimum time period specified above does not relieve the manufacturer of providing sufficient service to place the system in operation.

b. Supply no form of energy to any part of the chemical feed system prior to the receipt by the Engineer of a certified statement of approval of the installation from the Contractor containing the equipment supplier's authorization for turning on energy to the system.

END OF SECTION

Disinfection\Construction\Specifications\Div 11\11243.docx

Center Strafford Disinfection Upgrades March, 2025

N0967-0105/03/12/25 11310-1 Sump Pumps

SECTION 11310

SUMP PUMPS

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes

1. Sump Pumps

B. Related Sections

1. Section 01770, Closeout Procedures

1.2 REFERENCES

A. General - All electrical components shall conform to the requirements of the National

Electric Code, and must be listed and labeled "Approved" by Underwriters

Laboratories (UL).

B. ANSI/Hydraulic Institute Standards

C. ASTM A48 – Standard Specification for Gray Iron Castings

1.3 DEFINITIONS

A. Terminology pertaining to pumping unit performance and construction shall conform to the ratings and nomenclature of the Hydraulic Institute Standards.

1.4 SUBMITTALS

A. Shop drawings showing details of fabrication, erection, and adjoining equipment interfaces for all equipment furnished under this section.

B. Manufacturer's rating curves showing pump characteristics of discharge, head, capacity, brake horsepower, efficiency, required net positive suction head, required minimum submergence and total pumping unit weight. This information shall be prepared specifically for the pumps proposed. Catalog sheets showing a family of curves will not be acceptable.

C. Literature and drawings describing the equipment in sufficient detail, including parts list and materials of construction, to indicate full conformance with the Specifications.

D. Certified dimensional drawings of each item of equipment and auxiliary apparatus to be furnished.

E. Schematic electrical wiring diagrams and other data as required by the Owner.

F. A "Letter of Compliance" stating that the characteristics of each pump (specifically naming the respective pumps), are such that they will not overload the specified motor horsepower under any head condition when operating at the specified maximum speed.

1.5 QUALITY ASSURANCE

N0967-0105/03/12/25 11310-2 Sump Pumps

A. The pumping equipment to be furnished under this section of the specifications shall be regularly engaged in the specified use and the manufacturer shall have at least five

(5) years experience in the manufacture of the specified pumps under similar service conditions. The manufacturer shall also furnish and be responsible for the electric motors. The pumping equipment shall be adequately and safely designed and constructed for heavy duty use and continuous operation (where required) at the pressures and under all conditions of service to which they may be subjected.

B. To assure unity of responsibility, the pumps, motors and bases shall be furnished and coordinated by the pump manufacturer. The Contractor and pump manufacturer shall assume responsibility for the satisfactory installation and operation of the entire pumping systems including pumps, motors, and bases.

C. The pumps covered by these Specifications are intended to be pumping equipment of proven ability as manufactured by a reputable manufacturer having experience in the production of such pumps. The pumps furnished shall be designed, constructed and installed in accordance with the best practice and methods, and shall operate satisfactorily when installed. Pumps shall be manufactured in accordance with the

Hydraulic Institute Standards. Each type of pump shall be the product of one manufac-turer.

D. These specifications direct attention to certain features of the pumping units, but do not purport to cover all the details of their design. The equipment furnished shall be design and constructed equal to high quality pumping equipment manufactured by such firms as are mentioned hereinafter for the various types of pumps or approved by the Engineer.

1.6 OPERATION AND MAINTENANCE MANUALS

A. Provide O&M Manuals and Equipment Start-up Reports per Section 01770

1.7 DELIVERY, STORAGE AND HANDLING

A. All parts shall be properly protected so that no damage or deterioration will occur during a prolonged delay from the time of shipment until installation is completed and the units and equipment are ready for operation. On-site precautions must be taken by the Contractor to ensure adequate protection during storage.

1.8 EXTRA MATERIALS

1. Sump Pumps (per pump)

a. One (1) set of all gaskets

b. One (1) mechanical seal

B. Spare parts shall be furnished packed in suitable containers and clearly labeled designating the contents and the unit for which they are intended.

C. Furnish all special tools required for the maintenance of the new pumps.

PART 2 PRODUCTS

2.1 GENERAL

N0967-0105/03/12/25 11310-3 Sump Pumps

A. The pumping units required under this Section shall be complete including pumps, motors, and controls. The pump manufacturer shall be responsible for the furnishing and performance of all equipment.

B. Parts shall be so designed and proportioned as to have liberal strength, stability, and stiffness and to be especially constructed for the work to be done.

C. Brass or stainless steel nameplates giving the name of the manufacturer, the rated capacity, head, speed, Serial No. and all other pertinent data shall be attached to each pump and motor.

2.2 SUMP PUMP

A. Provide one sump pump for the analyzer board waste stream.

B. Sump pumps shall meet the following hydraulic criteria:

1. 25 gpm at 15 ft. TDH

C. Provide a waste stream storage container of at least 25 gallons in size which fits the selected sump pump minimum submergence requirements and is suitable for the chemical concentrations in the waste sream.

D. Each pump shall have an integral electro-mechanical float-operated switch, which shall require no adjustment, nor require additional equipment or control for operation of the pump.

E. Motor housing, volute, pump case shall be constructed of cast iron. The pump impeller shall be non-clogging vortex constructed of thermoplastic. Pump motor shaft shall be steel. Hardware shall be stainless steel.

F. Motor shall be oil filled, hermetically-sealed, auto reset thermal overload protected, submersible type, 1/2HP 115 V, single phase, 60 Hz.

G. Power cord shall be double sealed. Cords shall withstand a pull of 300 pounds to meet UL requirements.

H. Power cord shall be UL listed, neoprene with molded plug cap and ground wire.

I. Motor shall be protected by two mechanical seals mounted in tandem with a seal chamber between the seals. Mechanical shaft seals shall be carbon and ceramic faces.

J. Pumps shall be Zoeller, F.E. Meyers, Peabody Barnes, ABS Pumps, or approved equal.

2.3 SURFACE PREPARATION AND PAINTING

A. Sump pumps shall be factory finished.

PART 3 EXECUTION

3.1 INSTALLATION

A. All pumps shall be installed in accordance with the instructions of the manufacturer and as shown on the Drawings.

N0967-0105/03/12/25 11310-4 Sump Pumps

B. Installation of pumps and appurtenances shall be strictly in accordance with the recommendations and instructions of the manufacturer and located as shown on the

Drawings or as approved by the Owner.

C. A certificate from each equipment manufacturer stating that the installation of his equipment is satisfactory, that the equipment is ready for operation, and that the operating personnel have been suitably instructed in the operation, lubrication and care of each unit shall be submitted.

END OF SECTION

Disinfection\Construction\Specifications\Div 11\11310.docx

N0967-0105/03/2025 13420-1 Instrumentation

SECTION 13420

INSTRUMENTATION

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes

1. Installation and start-up of instrumentation provided under this section.

B. Related Sections

1. Refer to Division 11 for equipment furnished by other sections but requiring wiring diagrams developed under this section to reflect complete integration of the systems, instrumentation, interlocking, interfacing and installation under this section.

2. Refer to Division 16, Electrical for wiring standards and practices.

1.2 QUALITY ASSURANCE

A. Manufacturer's Qualifications - Firms regularly engaged in the manufacture of instrumentation systems (the "System Supplier"), whose products have functioned satisfactorily in similar service, and has demonstrated proficiency and extensive experience with current technology.

B. Installer’s Qualifications - Firms regularly engaged in the installation, calibration, and adjustment of instrumentation systems, with a minimum of five years of experience, whose systems have functioned satisfactorily in similar service and have demonstrated proficiency and extensive experience with current technology.

1.3 SUBMITTALS

A. Provide complete equipment specifications, details of connections, wiring, range and dimensions. Submittals consisting of only general sales literature will not be acceptable. Shop drawings shall be bound in separate three ring binders with an index and section, sub-section, etc., dividers. The dividers shall be arranged so its individual tabs can locate each item being referenced.

B. Submit detailed information for each instrument or control device, including manufacturer's descriptive literature and a specific data sheet for each device which shall include as a minimum:

1. Product (item) name used herein and Tag number as shown on the Contract

Drawings.

2. Manufacturers complete model number.

3. Location of the device.

4. Input - output characteristics.

5. Range, size, and graduations.

N0967-0105/03/2025 13420-2 Instrumentation

6. Physical size with dimensions, enclosure NEMA classification and mounting details.

7. Materials of construction of all components.

8. Calibration sheet verifying the instrument is working properly over the complete range.

C. Exceptions to the Specifications or Drawings shall be clearly defined by the System

Supplier. Data shall contain sufficient details so the Engineer may make a proper evaluation.

1.4 PRODUCT HANDLING

A. Identification

1. Each component…