B01 Attachment 01 - Supplemental Technical Provisions_5-22_20.pdf

CONTRACT REQUIREMENTS AND SPECIFICATIONS

(BID SET)

SOUTH TULAROSA WELL CONNECTION

PROJECT NO. AL-17-A79

MESCALERO APACHE TRIBE

PREPARED BY

INDIAN HEALTH SERVICE

DSFC/OEH&E/AAO

ALBUQUERQUE DISTRICT

JANUARY 2020

Supplemental Technical Provision – Page 1 of 2

SUPPLEMENTAL TECHNICAL PROVISIONS

Additions, substitutions, exceptions, and/or revisions to the Albuquerque Area--Indian Health Service/Office of Environmental Health and Engineering (AAIHS/OEHE) – Sanitation Facilities Construction (SFC) Technical Provisions, February 2016 edition. The AAIHS/OEHE SFC Technical Provisions, February 2016 edition, are incorporated by reference. The provisions are the same as if fully written herein and shall govern all Work except where superseded by the Supplemental Technical Provisions.

ADDED TECHNICAL PROVISIONS

STP 1.0 Tree Removal

a. Portions of the new facilities (water mains, utility vaults, water storage tanks, buildings, etc.) may require tree removal for successful installation. The contractor is responsible for marking proposed trees and coordinating with the Tribal forestry department for removal. Trees that are 6-inches or less in diameter, or which can easily be removed by the contractor’s equipment can be removed without utilizing the Tribal forestry department. Removal by the Tribe will be at no cost to the Contractor. Contractor is responsible for removing the cut trees from the site as well as the stump and brush. Stumps, brush, and debris shall be removed from the site and hauled to an Owner approved disposal site.

STP 2.0 Site Storage

a. The contractor will work with the Owner to identify a temporary site storage/staging area. There will be no owner imposed fees for use of this area. Contractor is responsible for site security and clean up.

STP 3.0 Borrow Pit

a. A borrow pit is available for the contractor’s use for bedding and backfill material. The quantity of import bedding/backfill material has not been estimated and is the responsibility of the contractor. All borrow material collection and transport will be the responsibility of the contractor. There will be no fees imposed by the Owner for use of the borrow material.

STP 4.0 Water for Construction Purposes

a. If obtained from Mescalero Apache sources, the Contractor will be required to haul water from a Mescalero Apache storage tank. All water shall be conserved to the largest degree possible. The Contractor shall supply a new water meter, or meter calibration certificate from within the last 12 months, and approved backflow preventer. The contractor shall meter all water used.

b. Neither IHS nor Mescalero Apache Tribe assumes or accepts any responsibility as to the reliability of the water supply. Interruption of the water supply is possible. The water supply may be interrupted at any time or curtailed in the event the community supply is threatened. If an interruption of the Contractor's water supply occurs, the Contractor shall not be entitled to any compensation from the Tribe, IHS, or Project Representative.

c. It shall be the Contractor's responsibility to provide and maintain temporary plumbing, transportation, and storage required to complete the work.

d. All water should be carefully conserved. Before final acceptance, all temporary connections and piping installed by the Contractor shall be removed in a manner satisfactory to IHS and Project Representative.

e. All costs associated with the maintenance of the meter, backflow preventer, and transportation of the water shall be the responsibility of the Contractor. The water cost for the Contractor, if obtained from Mescalero sources, will be $30 per 1,000 gallons.

f. Only water from a potable supply shall be used for the project.

Supplemental Technical Provision – Page 2 of 2

STP 5.0 PROVISIONS FOR PRV VAULT ABANDONMENT

1. General: The existing pressure reducing valve vaults shall be demolished and disposed of appropriately at a Contractor provided disposal site. All plumbing and piping shall be removed and all salvageable items shall be delivered by the Contractor to the Owner. The demolition site shall be cleared and restored to a level, neat condition.

2. PRV Abandonment: Contractor shall connect to the existing water main on either ends of the vault (this shall be paid as a quantity of one water main connection in the bid schedule), and install new piping to re-connect the inlet and outlet pipes. The piping shall be ductile iron, conforming to TP-4, and shall be the same size as the inlet and outlet pipes.

3. Measurement and Payment: The demolition of the pressure reducing valve vault shall be measured as a single completed item of work and payment shall be made at the contract unit price as shown in the Bid Schedule. This price shall be full compensation for furnishing all labor, equipment, materials, and incidentals required for a complete demolition, water main location, re-piping, excavation, backfill, and cleanup as specified in this Technical Provision.

Modification to Technical Provisions

STP 6.0 Pertaining to SECTION 04 – WATER TRANSMISSION AND DISTRIBUTION MAINS

TP-403 MATERIALS, J. Combination Air Release and Vacuum Valves:

Add the following text to this paragraph:

Combination Air Release and Vacuum Valves shall also include a factory supplied fusion bonded epoxy coating on the interior and exterior of the valve.

TECHNICAL PROVISIONS

SECTION 20 - PUMPHOUSE REHABILITATION

TP-2001 SCOPE: The work required by this section includes the furnishing of all plant, labor, materials, and incidentals necessary to construct a complete new rehabilitate/ renovate an exiting pumphouse, including site work in accordance with the drawings and specifications.

TP-2002 LINES AND GRADES: All lines and grades for the pumphouse will be provided by the Contractor. The Contractor will be responsible for setting a reference benchmark for elevation control. The floor elevation of the new existing pumphouse shall be noted on the construction plan set. The method of staking shall be agreed upon at the preconstruction conference.

TP-2003 GRADING, EXCAVATION AND BACKFILL:

A. Site Grading: All areas in and around the pumphouse area shall be graded as directed by the Engineer. All brush, trees, large roots, trash and other obstructions shall be removed and disposed of in a manner and at a location satisfactory to the

Engineer. An area extending 5-feet around all sides of the new existing pumphouse addition shall be built up outside the building extents one foot so as to facilitate drainage away from the building as shown on the drawings. The soil for this built up section shall be obtained from a borrow area near to the site and as designated by the Owner. Compaction requirements shall be a minimum of 95% compaction based on the modified proctor at optimum moisture content plus or minus 2% as obtained by the Contractor and shall be as outlined in Section TP-1 and testing as outlined in

TP-1.

TP-2004 PUMPHOUSE MATERIALS:

A. Control Room Vents: Manually operated with pull chain, aluminum 24-mesh insect screen, 12 inches high by 18 inches wide (nominal dimensions) extruded aluminum combination louver / damper, with face flange. Vent shall be Greenheck Model

EAC-401 or approved equal, where shown on the drawings. The frame flange shall be flush with the exterior building wall, and wall cavity and sill shall be lined with extruded aluminum duct to fully enclose the vent opening. The vent and duct shall be sealed with silicon non-shrink caulk where it meets the building.

B. Chemical Room Vent: Stationary, fiberglass 24-mesh insect screen, 12 inches high by 18 inches wide extruded aluminum louver with drainable blades with face flange. Vent shall be Greenheck model ESD-435 or approved equal. The frame flange shall be flush with the exterior building wall, and wall cavity and sill shall be lined with extruded aluminum duct to fully enclose the vent opening. The vent and duct shall be sealed with silicon non-shrink caulk where it meets the building.

C. Chemical Room Sidewall Exhaust Fan: A direct drive centrifugal sidewall exhaust fan with an air flow capacity of 625 cfm @ a static pressure of 0.125 inches wg.

Fan shall be a Greenheck model CW-101-C or approved equal for a 12.5 inch wall ssyed Cross-Out ssyed Cross-Out ssyed Cross-Out opening with a Greenheck model WD-323 damper on the interior of the building to allow airflow to the exterior and prevent reverse flow into the building. The damper shall open when the fan is operating and close when the fan is off. The fan shall be inter-connected with the door switch and manual switch. A Fiberglass steel 24-mesh insect screen shall be installed between the outside of the building and the exhaust fan hosing. The wall cavity and sill shall be lined with extruded aluminum duct to fully enclose the vent/fan opening. The vent, fan, and duct shall be seal with silicon non-shrink caulk where it meets the building.

D. Mesh on Openings: All vent openings in the building shall have no. 24 metal wire mesh installed.

TP-2005 PLUMBING MATERIALS:

A. Exterior Piping: All exterior piping as shown in the plans shall be installed in accordance with the provisions of Section TP-04.

B. Interior Piping:

1. Ductile Iron Pipe: Ductile iron pipe and fittings shall be Type I meeting

AWWA C150 and AWWA C151. Joints shall meet AWWA C111 and fittings shall meet AWWA C110. Unless otherwise indicated on the drawings, all interior ductile iron pipe shall have flanged connections.

2. PVC Pipe: PVC pipe and fittings shall be Schedule 80. Companion flanges shall be provided for connections to flanged fittings and valves.

3. Stainless Steel Pipe: Stainless steel pipe shall be 304 schedule 40 stainless steel pipe. Unless otherwise noted on the drawings, all stainless steel pipe shall have threaded connections.

4. Copper Pipe: All buried water service piping inside the building foundation perimeter shall be Type K copper unless otherwise indicated on the drawings.

Piping size shall be 1/2-inch minimum and installed in the locations as shown on the plans. All underground bury copper pipe and pipe penetrations through concrete shall be wrapped with ½” thick Aramaflex Urethane Foam, or equal.

A ball or gate valves shall be installed in a locations accessible to the Owner such that service to each fixture or other item can be completely cut off by operating this valve. All above grade water piping within the building shall be

Type L copper. Chromium escutcheons shall be utilized to seal all piping penetrations through walls for plumbing fixtures.

5. Fittings: All interior pipe fittings shall be of the same classification as the pipe used. All 90o fittings shall be long sweeps.

6. Valves: All valves installed shall be flanged and designed for 150 pounds per square inch pressure.

a. Combination Air/Vacuum Relief Valve: The combination air vacuum relief valve shall be installed as shown in the plans and per manufacturer’s instructions. The valve shall be CLA-VAL Series 33A or approved equal. The air vent piping shall be extended using copper pipe as shown on the drawings.

The end vent shall have no. 24 metal wire mesh installed.

b. Gate Valves: All gate valves shall be the same size as the connected pipes, and shall be Waterous Series 500 resilient wedge. Gate valves shall be wheel operated. Gate valves shall meet the requirements of TP-04. Valves 2-inch in diameter and smaller shall be a Watts Regulator Series GV.

c. Check Valves: All check valves shall be the same size as the connected pipes and shall be installed at the locations shown on the drawings. Check valves shall be equal to the SWL Series Swing Check Valves with outside lever-and-springs as manufactured by Crispin Valve, 600 Fowler Avenue, Berwick, PA

18603, Telephone: 1-800-AIR-VALV, (570) 752-4524, Fax: (570) 752-4962.

Check valves shall be all iron body, bronze mounted, full open swing type check valves for vertical installations. Valve disc shall swing completely clear of the waterway when the valve is fully open permitting “full flow” through the valve equal to the nominal pipe diameter. Check valves shall meet or exceed the latest revision of AWWA Standard C-508.

d. Pressure Blowoff Valves: The Contractor shall furnish and install a Pressure

Relief Valve on the location shown on the drawings. The valve shall be equal to a Cla-Val 55B-60. Isolation ball valve shall be installed upstream of the valve.

e. Pump Control Valve: The Contractor shall furnish and install a pump control valve on the location shown on the drawings. The valve shall be equal to a

Cla-Val Booster Pump Control Valve, model 60-11 or approved equal. The valve shall have provide a solenoid control to slowly open valve once the well pump is turned on. When the pump is signaled to shut off, the solenoid control is de-energized and the valve begins to close slowly, gradually reducing flow while the pump continues to run. When the valve is closed, a limit switch assembly, which serves as an electrical interlock between the valve and pump, releases the pump starter and the pump stops.

f. Surge Anticipator Valve: The Contractor shall furnish and install a Surge

Anticipator/Pressure Relief Valve on the location shown on the drawings. The valve shall be equal to a Cla-Val 52-03. Contractor shall install the sensing line as recommended by the manufacturer. Isolation ball valve shall be installed on the sensing line.

7. Hose Bibbs (Interior): The Contractor shall furnish and install test spigots at each location as shown on the drawings. The plumbing shall be drilled and tapped for the spigots by the piping manufacturer to ensure the pressure rating of the fitting. The spigots shall have a hose thread connection on the spout end and shall be brass. The spigots shall be equipped with vacuum breakers.

8. Saddle Taps: Double strap saddle taps shall be installed on the pumphouse piping to accommodate the chemical injection assemblies and shall be of a size recommended by the chemical equipment manufacturer. The saddles shall be heavy duty cast bronze o-ring gaskets which provide a pressure tight seal for the size and type of pipe used in the pumphouse and shall be as recommended by the chemical injection manufacturer. Double strap saddle taps shall also be installed for hose bibbs, flow switches, and at other locations as shown on the drawings.

9. Pressure Gauge: Pressure gauges shall be provided and installed as shown on the plans. The gauge shall have a 3-1/2-inch or larger face, oil filled, Ashcroft

35- 1009SWL-02L-0-100 or approved equal. Increments shall read in 10 psi.

10. Water Meter: The meter shall be a Siemens SITRANS F M MAG 5100W magnetic flow water meter w/ Analog 4-20mA transmitter model no. 3TC12-

2CE2 or approved equal. Valve size will be as indicated on the drawings.

11. Wall Penetrations: All new penetrations where water main piping passes through walls or floors shall be equipped with Link-Seal or equal. When the wall penetration involves a room that contains corrosive chemicals such as chlorine or fluoride, the Link-Seal or equal shall utilize a nitrile seal element and 316 stainless steel hardware. The Link-Seal or equal shall be installed in accordance with manufacturer’s recommendations.

12. Wye Strainers: The wye strainers shall be cast iron flanged with a double coated, heat fused FDA approved epoxy coating for water service only equal to a Watts Regulator model 77F. Strainer shall have flanges conforming to ANSI

B16.1, Class 125. Strainer shall be equipped with a 304 stainless steel perforated screen and blow-off connection furnished with a closure plug.

Pressure rating shall be no less than 200 psi.

TP-2006 WORKMANSHIP:

A. Piping: The Contractor shall provide and erect, in a workmanlike manner, according to the best practices of the trade, for the complete installation of the system. The piping may have to be offset, lowered or raised as required or as directed at the site.

In the erection of all piping, it shall be properly supported and proper provisions shall be made for expansion, contraction, and anchoring of piping, as well as provisions to prevent water hammer through the installation of water hammer arrestors where warranted. All piping shall be cut accurately for fabrication to measurements established at the construction site. Pipe shall be worked into place without springing and/or forcing, properly clearing all windows, doors, and other openings and equipment. Cutting or other weakening of the building structure to facilitate installation will not be permitted.

All pipes shall have burrs removed by reaming or other cleaning methods. All changes in direction shall be made with fittings. All open ends of pipes and equipment shall be properly capped or plugged to keep dirt and other foreign materials out of the system. Plugs or rags, wool, cotton waste or similar materials may not be used for plugging. All piping shall be arranged so as to not interfere with removal and maintenance of equipment, or devices and not block access openings. Flanges or unions as applicable for the type of piping specified shall be provided in the piping at connections to all items of equipment.

All water piping shall be disinfected prior to being placed in service. A chlorine solution shall be introduced into the piping so that a minimum concentration of 50 ppm of free residual chlorine is obtained in all parts of the plumbing system for at least 24 hours before removal.

A hydrostatic test shall be performed on all water piping in accordance with TP-04.

Underground water piping shall be tested before the pumphouse floor slab is placed.

The contractor shall supply any additional valves or other materials required to isolate the new water main installation for testing at his/her own cost. The Indian

Health Service Engineer shall be notified at least two days prior to the start of this test.

TP-2007 PAINTING:

A. Pipe Labeling: After the new water main piping is installed, the contractor shall label all water piping using self-adhesive pipe markers. The pipe markers shall indicate the contents of the pipe (i.e. “drinking water”) and the direction of flow.

Pipe markers shall be equal to McMaster-Carr item #: 16855T86.

TP-2008 CHLORINATION EQUIPMENT:

A. Metering Pump: The metering pump system shall be a standard product of a single manufacturer. The manufacturer shall provide the following: pump, wall mounting panel with plumbing, 4-20 mA control, and solution tank. Metering pump shall be equal to LMI.

B. Injection Quill: Saf-T-Flo retractable injection quill assembly #EB-177

C. Operating Conditions: The chemical metering pump output volume shall be adjustable while pump is in operation. Pump shall be capable of being programmed for flow paced injection. Flow pace to be treated will vary from 2 gal/min to 60 gal/min. A dual shutoff feature shall be incorporated with the chlorination system to prevent over-chlorinating when there is no flow in the pumphouse plumbing.

Primary Protection: The chemical pump receptacle shall be interlocked and only energize with the pump motor starter is active (receptacle is not energized when pump is not running). Secondary Protection: the chemical pump shall be flow paced based on the measured flow rate from the plumbing tree flow meter. If the flow through the flow meter is zero, the chlorination pump shall not be dosing.

1. Control: The pump shall come equipped with 5 menu selectable control modes;

Manual, analog, pulse, timer or batch.

a. Manual Control

i. Output of pump is displayed in gal or liters per hour. Pump output adjustment is performed with pump controls or through the control panel.

ii. Pumping rate changes are to be achieved through precise speed control with fixed full stroke length.

iii. Pump should include a start/stop key.

b. Automatic Control

i. Analog: Pump shall include direct interface provisions for analog control.

Both direct and reverse acting 0/4-20mA input configurations are to be acceptable inputs. The menu configuration shall permit pump maximum output multipoint scaling. The pump shall include a local alarm for loss of input signal. The pump shall be integrated with the control panel PLC for proper dosing based on flow through the pumphouse (chlorinated vs. non-chlorinated). The control panel PLC will then signal the correct dosage rate to the metering pump.

ii. Pulse: The pump shall include direct interface provisions for pulse output devices. In pulse control mode, the pump shall be configured to deliver a volume of product per incoming pulse. The pump speed shall attenuate the delivery rate based on the frequency of pulses generated by the external device.

iii. Batch: In batch mode the pump shall respond to deliver a menu configurable quantity of liquid after receiving a remotely provided contact input.

iv. Cycle timer: The configuration menu of the cycle timer shall permit the user to prescribe batch volume, timed sequence start point and the time between each successive timed delivery cycle.

v. Week timer: The pump shall be equipped with a real-time clock and a seven-day internal week timer. The configuration menu shall permit the user to prescribe up to 16 procedures with batch volume, dosing time, start time and weekdays.

D. Accessories & Spare Parts:

1. Spare Parts: Furnish one (1) complete spare parts kits for each different size chemical dosing pump. To include the following: (1) valve kit and (1) diaphragm kit.

2. Accessories: Provide the following: one (1) 55 gallon chlorine solution tanks equal to the type currently used by the Utility Department.

3. Chlorine Residual Test Kit: Furnish one (1) Hach® Chlorine Pocket

Colorimeter™ II (USA Bluebook Stock #ME-32125). To include the following: carrying case, four AAA batteries, sample cells, instructions, 100 free chlorine test packets, and 100 total chlorine test packets.

4. MSDS: A Material Safety Data Sheet (MSDS) shall be installed in the treatment room at a per the utility Director’s specifications.

5. Spare Chlorination Pump: Contractor shall furnish one spare chlorination pump to the owner as part of this contract.

TP-2009 GRAVEL COVER WITHIN FENCED AREA:

The Chlorination building fencing and gravel cover shall be as specified in Sections 60 of the

Technical Provisions.

TP-2010 OPERATION & MAINTENANCE (O&M) MANUALS:

The contractor shall be responsible for providing 5 copies of O&M manuals to the Owner prior to final inspection. The contractor shall prepare two draft copies to be reviewed by the Owner and

Engineer. The Owner and Engineer shall provide a list of comments and revisions to be included before the final O&M manuals are issued within 15 calendar days. The O&M manuals shall contain, at a minimum, the following information:

A. Project number, name, and description

B. Contractor’s name and contact information

C. Subcontractor’s name and contact information

D. Table of contents

E. Narrative description of system operations

F. Manufacturer data sheets and shop drawings

G. Troubleshooting guide

TP-2011 START UP AND TRAINING:

The contractor shall schedule and arrange a direct factory representative to be available for start-up service, inspection, and necessary adjustments of the chlorination system and each type of control valve. The contractor shall coordinate with the representative to be on-site during installation to ensure that system components are installed and functioning in accordance with the plans and specifications. After the system is operating and online, the representative shall be available for two full working days to provide training and troubleshooting with the utility operators. At this time, O&M manuals of the major system components shall be made available to assist the training sessions. The start up and training must be scheduled with a minimum two weeks notice. Failure to meet notification requirements will be subjected to re-schedule at the contractor’s expense.

TP-2012 CLEANUP:

Upon completion of the work, the entire site shall be cleared of all debris, and the ground surface shall be finished to smooth and uniform slopes. Cleanup shall be considered an incidental item and no additional payment shall be made for it. All fences, clotheslines, gravel driveways or other obstructions removed during construction shall be left in a condition at least equal to their condition prior to construction.

TP-2013 AS-BUILT DRAWINGS:

The Contractor shall be responsible for keeping accurate records of all installed items under this section of the specifications, and indicating revisions of the government furnished construction drawings in sufficient detail to be accepted by the Owner or Owner’s representative for as-built drawings. Sufficient detail under this contract means that the Contractor shall take accurate measurements and record them on the drawings to provide the minimum information of at least two swing ties and distances to permanent objects and/or marker posts for all valves, pressure reducing valves, air and vacuum valves, hydrants, connections to other lines, and bends; the beginning and end of any stabilization material placed; the beginning, end, and depth of rock encountered; the beginning, end, and depth of any encasement installed; and the location and depth of any other utilities encountered. Further information on as-builts is contained in the Special

Provisions section of these specifications.

The recording of the as-built information is considered an integral part of the progress of this construction and shall be reviewed with the Owner or Owner’s representative in determining progress under this contract.

TP-2014 SUBMITTALS: Submittals shall be provided for the following items:

A. Vent, Fans

B. Piping, Exterior and Interior

C. Check Valve

D. Gate Valve

E. Pressure Gauge

F. Hose Bibs

G. Saddles

H. Water Meters

I. Chemical Feed Pumps w/Manufacturer's installation recommendations

J. Chlorine Analyzer

K. Corporation Stop

L. Solution Tank for Chlorine

M. O&M Manuals

N. Chlorine Residual Test Kit

O. Spill Kit

P. Fire Extinguishers

Q. Injection Assemblies

R. Spare Parts

TP-2015 MEASUREMENT AND PAYMENT:

A. Pumphouse Plumbing: Payment for the pumphouse plumbing shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment, materials, and incidentals necessary to construct the pumphouse plumbing as outlined under this specification and shown on the drawings including but not limited to site work, earthwork, bedding and backfill materials, piping and appurtenances, interior valves, meters, check valves, hose bibbs, link-seal and casing, saddles, eye wash, sink, faucet, cabinet, testing, pipe painting and labeling, pipe supports, floor drain system, floor drains, drain pipe connecting to drainfield, Inlet and outlet piping, spare parts, start up and training, O&M manuals, and all other items necessary to produce a complete and operational pumphouse facility.

B. Pumphouse Chlorination System: Payment for the chlorination system shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment and incidentals necessary to construct the chlorination system as outlined under

Sections 20 of the Technical Provisions including but not limited to chemical feed equipment, mounting panel assembly, accessories, spare parts, and all other items necessary to produce a complete and operational chlorination system in conjunction with other contract items.

i. Analog: Pump shall include direct interface provisions for analog control.

Both direct and reverse acting 0/4-20mA input configurations are to be acceptable inputs. The menu configuration shall permit pump maximum output multipoint scaling. The pump shall include a local alarm for loss of input signal. The pump shall be integrated with the control panel PLC for proper dosing based on flow through the pumphouse (chlorinated vs. non-chlorinated). The control panel PLC will then signal the correct dosage rate to the metering pump.

ii. Pulse: The pump shall include direct interface provisions for pulse output devices. In pulse control mode, the pump shall be configured to deliver a volume of product per incoming pulse. The pump speed shall attenuate the delivery rate based on the frequency of pulses generated by the external device.

iii. Batch: In batch mode the pump shall respond to deliver a menu configurable quantity of liquid after receiving a remotely provided contact input.

iv. Cycle timer: The configuration menu of the cycle timer shall permit the user to prescribe batch volume, timed sequence start point and the time between each successive timed delivery cycle.

v. Week timer: The pump shall be equipped with a real-time clock and a seven-day internal week timer. The configuration menu shall permit the user to prescribe up to 16 procedures with batch volume, dosing time, start time and weekdays.

D. Accessories & Spare Parts:

1. Spare Parts: Furnish one (1) complete spare parts kits for each different size chemical dosing pump. To include the following: (1) valve kit and (1) diaphragm kit.

2. Accessories: Provide the following: one (1) 55 gallon chlorine solution tanks equal to the type currently used by the Utility Department.

3. Chlorine Residual Test Kit: Furnish one (1) Hach® Chlorine Pocket

Colorimeter™ II (USA Bluebook Stock #ME-32125). To include the following: carrying case, four AAA batteries, sample cells, instructions, 100 free chlorine test packets, and 100 total chlorine test packets.

4. MSDS: A Material Safety Data Sheet (MSDS) shall be installed in the treatment room at a per the utility Director’s specifications.

5. Spare Chlorination Pump: Contractor shall furnish one spare chlorination pump to the owner as part of this contract.

TP-2009 GRAVEL COVER WITHIN FENCED AREA:

The Chlorination building fencing and gravel cover shall be as specified in Sections 60 of the Technical Provisions.

TP-2010 OPERATION & MAINTENANCE (O&M) MANUALS:

The contractor shall be responsible for providing 5 copies of O&M manuals to the Owner prior to final inspection. The contractor shall prepare two draft copies to be reviewed by the Owner and Engineer. The Owner and Engineer shall provide a list of comments and revisions to be included before the final O&M manuals are issued within 15 calendar days. The O&M manuals shall contain, at a minimum, the following information:

A. Project number, name, and description B. Contractor’s name and contact information C. Subcontractor’s name and contact information D. Table of contents E. Narrative description of system operations F. Manufacturer data sheets and shop drawings G. Troubleshooting guide

TP-2011 START UP AND TRAINING:

The contractor shall schedule and arrange a direct factory representative to be available for start-up service, inspection, and necessary adjustments of the chlorination system and each type of control valve. The contractor shall coordinate with the representative to be on-site during installation to ensure that system components are installed and functioning in accordance with the plans and specifications. After the system is operating and online, the representative shall be available for two full working days to provide training and troubleshooting with the utility operators. At this time, O&M manuals of the major system components shall be made available to assist the training sessions. The start up and training must be scheduled with a minimum two weeks notice. Failure to meet notification requirements will be subjected to re-schedule at the contractor’s expense.

TP-2012 CLEANUP:

Upon completion of the work, the entire site shall be cleared of all debris, and the ground surface shall be finished to smooth and uniform slopes. Cleanup shall be considered an incidental item and no additional payment shall be made for it. All fences, clotheslines, gravel driveways or other obstructions removed during construction shall be left in a condition at least equal to their condition prior to construction.

TP-2013 AS-BUILT DRAWINGS:

The Contractor shall be responsible for keeping accurate records of all installed items under this section of the specifications, and indicating revisions of the government furnished construction drawings in sufficient detail to be accepted by the Owner or Owner’s representative for as-built drawings. Sufficient detail under this contract means that the Contractor shall take accurate measurements and record them on the drawings to provide the minimum information of at least two swing ties and distances to permanent objects and/or marker posts for all valves, pressure reducing valves, air and vacuum valves, hydrants, connections to other lines, and bends; the beginning and end of any stabilization material placed; the beginning, end, and depth of rock encountered; the beginning, end, and depth of any encasement installed; and the location and depth of any other utilities encountered. Further information on as-builts is contained in the Special Provisions section of these specifications.

The recording of the as-built information is considered an integral part of the progress of this construction and shall be reviewed with the Owner or Owner’s representative in determining progress under this contract.

TP-2014 SUBMITTALS: Submittals shall be provided for the following items:

A. Wall Materials B. Roof Materials C. Glazing Material D. Paint Materials E. Door F. Vent G. Piping, Exterior and Interior H. Check Valve I. Gate Valve J. Pressure Gauge K. Hose Bibs L. Saddles M. Water Meters N. Chemical Feed Pumps w/Manufacturer's installation recommendations O. Chlorine Analyzer P. Corporation Stop Q. Solution Tank for Chlorine R. O&M Manuals S. Chlorine Residual Test Kit T. Spill Kit U. Fire Extinguishers V. Injection Assemblies W. Sink, Faucet, and Cabinet X. Eye Wash Y. Spare Parts

TP-2015 MEASUREMENT AND PAYMENT:

A. Pumphouse Foundation: Payment for the pumphouse foundation shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment and incidentals necessary to construct the pumphouse foundation as outlined under this specification and shown on the drawings including but not limited to clearing and grubbing, site work, earthwork, transport and placement of engineered structural fill, sand fill, concrete foundation, concrete slab, concrete slab sealant, reinforcing wire mesh, concrete testing, reinforcing bars, reinforcing bar chairs and ties, polystyrene insulation, compaction, compaction testing, and all other items necessary to produce a complete and operational pumphouse facility.

B. Pumphouse Plumbing: Payment for the pumphouse plumbing shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment, materials, and incidentals necessary to construct the pumphouse plumbing as outlined under this specification and shown on the drawings including but not limited to site work, earthwork, bedding and backfill materials, piping and appurtenances, interior valves, meters, check valves, hose bibbs, link-seal and casing, saddles, eye wash, sink, faucet, cabinet, testing, pipe painting and labeling, pipe supports, floor drain system, floor drains, drain pipe connecting to drainfield, Inlet and outlet piping, spare parts, start up and training, O&M manuals, and all other items necessary to produce a complete and operational pumphouse facility.

C. Pumphouse Chlorination System: Payment for the chlorination system shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment and incidentals necessary to construct the chlorination system as outlined under Sections 20 of the Technical Provisions including but not limited to chemical feed equipment, mounting panel assembly, accessories, spare parts, and all other items necessary to produce a complete and operational chlorination system in conjunction with other contract items.

D. Pumphouse Building Construction: Payment for the pumphouse building construction shall be at the lump sum price on the Bid Schedule. This price shall be full compensation for all labor, equipment and incidentals necessary to construct the building as outlined under this specification and as shown on the drawings including but not limited to site work, sidewalk, wall materials including split faced block, cement, paraffin wax, reinforcing bars, wire reinforcing mesh, doors, lintels, bond beams, rebar ties, testing, roofing materials including wooden trusses, plywood, soffit, fascia, trim, paint, insulation, drywall, sheet rock, flashing, plywood, caulk, roofing felt, metal roof, vents, and all other items necessary to produce a complete and operational pumphouse facility.

TECHNICAL PROVISIONS – SECTION 22 - Page 1 of 15

Last Revised – January 2020

SECTION 22 – SITE ELECTRICAL

AL-17-A79

TP-2201 SCOPE: The work covered under this section consists of furnishing all equipment, labor, materials and incidentals necessary for the complete installation of electrical supply and necessary related appurtenances for one existing well and one existing pumphouse building as outlined below. The existing pumphouse has a new electrical service meter and main disconnect. The contractor will be responsible for installing all new electrical service within the building in order to fully operate the groundwater well pump.

A. Provide site electrical service at the following:

a. South Tularosa Water System North Well (aka lower well and pumphouse)

B. Furnish all labor, materials, equipment, power supply and incidentals as required for the existing pumphouse and well in strict accordance with the applicable drawings and these specifications.

TP-2202 GENERAL: The electrical supply components shall be constructed in the locations and of the sizes and materials shown on the drawings, or as directed by the Owner or Owner’s Representative.

The intent of this specification is to have the Contractor provide a complete electrical system including electrical design, electrical wiring components as hereinafter described and all necessary appurtenances which might normally be considered a part of the complete electrical system for the installation. The electrical system shall be wired, tested and illustrated with complete electrical drawings and instructions.

TP-2203 MATERIALS:

A. Circuit Breaker Panel: A circuit breaker panel shall be installed in the building on the inside of the building as shown in the plans. The load center shall be 120/208V, 3 phase, 4 wire, 24 space such as Square D #QO324L125G or approved equal. The alarm beacon shall also have a 15A, 1 pole breaker. Breakers shall be Square D QO type or approved equal. The load center shall have surge protection (see section on SPDs).

B. Manual Transfer Switch: A manual transfer switch shall be installed outside of the building as shown in the plans. The manual transfer switch shall be 480/277V, 3-pole, 4-wire, 200A, NEMA 3R, non-fused such as Siemens #DTNF364R or approved equal.

TECHNICAL PROVISIONS – SECTION 22 - Page 2 of 15

C. Power Transformer: A power transformer shall be installed as shown on the plans. The transformer shall provide 120/208 volt power for loads within the building. The transformer shall be 3 phase, Nema 1, 30KVA, 480V primary such as Square-D #EE30T3H or approved equal.

D. Interior Light: Two interior lighting fixtures shall be installed in each room as shown on the plans. These lights will be controlled by a switch mounted near the door (away from the door hinges). Light shall be Lithonia model #DM240-120ES or approved equal.

E. Dusk Dawn Light: Where shown on the drawings, the contractor shall install dusk/dawn lights. Dusk/dawn lights shall be equal to a catalog number PVL-100H-128L Perimaliter II polycarbonate security light with metal halide light bulb as manufactured by Hubbell Lighting Inc or approved equal. The dusk/dawn lights shall be equipped with a photocell such that the light automatically turns on at dusk and turns off at dawn. The photocell shall be installed in accordance with manufacturer’s recommendations. The mounting height of the lights shall be 8-ft above finished floor elevation. Method of mounting the lights to the building shall be subject to the approval of the project engineer.

F. Exterior Light: One exterior lighting fixture shall be installed mounted on the location shown on the drawings. This light will be a motion control light. Light shall be Lumapro #4VW94 or approved equal. Lamps shall be yellow or amber (so as to not attract insects) and of the LED type.

G. Receptacle: Interior receptacles shall be installed on the locations shown on the drawings.

The receptacles shall be GFI type and have a stainless steel cover. The receptacles shall be Leviton X7899-I or approved equal.

H. Exterior Receptacle: Shall be equipped with plastic single gang toggle swith with plastic cover for weatherproofing equal to a McMaster-Carr item #70025K78.

I. Heater Thermostat: One wall mounted unit heater shall be installed in each room as shown on the plans. Heater to be controlled by a wall mounted thermostat. Heater to be a Dayton #3UG73 or approved equal. Thermostat to be Dayton #4UP48 or approved equal.

Thermostat shall be installed in a transparent locking case such as Honeywell #CG511A1000 or approved equal.

J. Chemical Room Receptacle: Twist lock receptacle with protective cover when chlorine meter pump is plugged in for protection from corrosive chemicals.

K. Junction Box for Portable Generator: Shall be installed as indicated on the plan set.

Contractor shall furnish 40 linear feet of electrical leads to be coiled in the junction box for easy connection to a portable generator.

TECHNICAL PROVISIONS – SECTION 22 - Page 3 of 15

TP-2204 ELECTRICAL GENERAL REQUIREMENTS:

A. Drawings: The contract drawings indicate the extent and the general location and arrangement of equipment, conduit, and wiring. The Contractor shall study plans and details so that the outlets and equipment will be properly located and readily accessible.

Fixtures, equipment, and outlets shall be located to avoid interference with mechanical or structural features.

B. Workmanship: All work shall be performed by skilled workmen and supervised by a journeyman electrician and include all work necessary for installation in a neat and finished manner.

C. Codes, Standards and Permits: All work, material and equipment shall conform to the most recent edition of the following codes and standards, as applicable:

1. Applicable local codes

2. National Electrical Code

3. National Electrical Manufacturers Association

4. Underwriters Laboratories, Inc.; including UL 508A (control panel construction)

5. American Standards Association

Any conflicts between these specifications or the drawings and the above codes will be brought to the attention of the Engineer for resolution prior to start of construction.

D. Design: The electrical panels shall be field wired and tested, and shall be illustrated with complete color coded electrical drawings and instructions mounted in the panel and a copy given to the project engineer. The installation shall comply with applicable rules of the National Electrical Code (NFPA 70), Electrical Standard for Industrial Machinery (NFPA 79), and all local electrical requirements. All electrical materials shall be approved by the Underwriters Laboratories. All materials furnished shall be the standard products of a manufacturer regularly engaged in the production of such equipment and shall be the manufacturer's latest standard design. Replacements or repair parts shall be reasonably available in the project trade area.

Plans and design of the complete electrical system shall be approved by the project engineer prior to construction. Submittal material containing the following items shall be

TECHNICAL PROVISIONS – SECTION 22 - Page 4 of 15 submitted within thirty (30) days after award for approval by the project engineer or his/her designated representative.

1. Manufacturer's name and model number of all components of the electrical control system.

2. Outline dimensions and general arrangement drawings of each enclosure and panel board.

3. Electrical diagrams, schematic, wire and conduit sizes, location of panels, grounding system, and other pertinent information showing integration of all electrical control components.

Upon completion of all work, the contractor shall submit electrical as-builts. One (1) paper copy of as-builts and one (1) electronic copy in AutoCAD R14 format shall be submitted to the project engineer.

TP-2205 LIGHTNING ARRESTOR

Each installation shall incorporate a Delta LA 603R for surge protection device (SPD) installed at the main disconnect.

The lightning arrestor shall be the silicone oxide type that will conduct the high voltage from a lightning strike to ground, but will not conduct the service voltage. The unit will reset (if still intact) after the lightning strike to continue to provide protection. The leads will be kept as straight and as short as possible. The unit will be mounted outside the disconnect enclosure. Lightning (surge) protection will be provided to each line on the load side of the master disconnect and be properly grounded.

In addition the load center shall have an additional SPD installed. This shall be a Joslyn Z3-480-0. The SPD will be tied into a 3 pole 30 amp circuit breaker keeping the SPD leads as short as possible and with as few bends as possible.

Additional surge protection shall be provided by installing a surge protection device inside the control panel equal to a Transtector 100 BWN 3 or approved equal.

TP-2206 ENCLOSURES

Unless otherwise noted, enclosures shall be NEMA 12 steel with 3 point latch and handle for opening panel without tools. Enclosures shall include a condensation protective heater with adjustable thermostat if located in an outdoor or unheated location.

TECHNICAL PROVISIONS – SECTION 22 - Page 5 of 15

Access to the enclosure shall be required from only the front side. Outline dimension and general arrangement drawings of the enclosure shall be included with the approval prints.

Disconnect enclosures where called for on the plans shall be of the flange mount type.

Door mount disconnect switches are unacceptable.

All major components and sub-assemblies shall be identified by function with laminated, engraved Bakelite nameplates or similar approved means.

TP-2207 WIRING AND WIRING METHODS

All wire on the load side of the meter shall be stranded copper. Wiring between or outside enclosures will be in conduit or wireway. The ground wire to the ground rod at the service entrance may be exposed. All wiring shall be suitable for wet or dry locations and shall have not less than 600 volt, 90 degree Celsius thermo-plastic insulation and all power wiring shall be in complete conformity with the National, State and Local Electric Code and NEMA Electrical standards. Conductors in contact with the earth shall be UF or USE 600 VOLT intended for direct burial. Use UF or USE only if called for on the plans. Unless called for otherwise use THHN installed within PVC conduit for direct burial.

The ampacity of the wires shall be determined in accordance with NEC Article 310 (Conductors for General Wiring). The 60oC column shall be used unless the terminals on both ends of the wire are marked for a higher temperature, in which case the higher temperature column may be used. Unless otherwise indicated or required the insulation of ungrounded (hot) conductor(s) will be black; the neutral will be white or neutral gray;

and the ground will be green. All wiring shall be color or number coded. As-builts showing locations of wiring throughout the installation shall be part of the final submittal.

Branch circuit conductors shall not be smaller than No. 12 AWG. Control wiring shall not be smaller than #16 AWG (except class 2 communications wiring). Wiring within panels and boxes shall be installed neatly without the use of excessive amounts of wire.

Where circuits and terminals are provided for connection of wires by others, space within the panel or box shall be provided by the control manufacturer to allow the installation of these wires without disturbance of the control wiring. In control panels wireway shall be used such as Panduit F series or approved equal.

All terminations shall be made on terminal blocks. Splicing of wires inside of controls panels is not allowed. Wire splices are allowed only in junction boxes and only approved means. Control wires ends shall be soldered or terminated with ferules of the appropriate wire gauge.

TP-2208 CONDUIT AND WIREWAYS

TECHNICAL PROVISIONS – SECTION 22 - Page 6 of 15

Wherever possible, wiring shall be installed in walls and ceilings in accordance with NEC. If wiring must be exposed, it shall be installed in locations such that it does not impede pedestrian walkways or general access and egress as directed by the project engineer. Exposed wiring shall be installed in EMT or RGS in dry locations and RGS or Schedule 80 PVC in wet locations or as called out in the plans. Conduit installed in wet locations shall utilize stainless steel hardware.

Steel wireway may be used in dry locations. They will be constructed, sized and installed in accordance with NEC Article 362 (Wireways). Connections between the wireway and other components will be as recommended by the manufacturer.

Electrical metallic tubing (EMT) may be used in normally dry locations. Installation will be in accordance with NEC Article 348 (Electrical Metallic Tubing). Couplings, connectors and adapters will be compression type. Set screw or crimped type shall not be used.

Schedule 80 PVC conduit shall be used where exposed to chemical vapor such as in the vicinity of chlorine or chlorination metering pumps. In these areas non-metallic boxes, straps and other hardware shall be used. Screws and mounting hardware shall be stainless steel.

Rigid conduit will be used in wet locations, in concrete, or in contact with the earth.

Conduit in direct contact with the earth shall be non-metallic (PVC) conforming to NEC Article 347 (Rigid Metal Conduit).