B01 Attach 3 - TP-29 - Individual Pressure System Martinez.docx

AL-17-A82 MESCALERO APACHE TRIBE

STATEMENT OF WORK – BRYAN MARTINEZ

All work shall conform to the latest edition of the AAO/SFC Standard Technical Provisions, February 2016 Edition. The work to be performed under this contract includes:

1. Water Main Extension: The contractor shall locate and connect to the existing water main, install approximately 25 linear feet of 6-inch PVC water main, install a new 6-inch gate valve and box, install a new 2-inch flush hydrant and gate valve assembly, and perform a road cut and patch that is approximately 150 square feet.

2. Water Service Line: The Contractor shall install approximately 500 linear feet of 1.5-inch PE water service line, a new service saddle, and a new corporation stop.

3. Pressure Boosting System: The Contractor shall install a new constant pressure boosting system complete with pump, pressure tank, pressure switch, piping, gauges, fittings, electrical cable, electrical controls, heater, enclosure, concrete pad, connection to new water main, and connection to existing electrical system.

TECHNICAL PROVISIONS

SECTION 29 – INDIVIDUAL WATER PRESSURE SYSTEM WITH COMMINUTY WATER

TP-2901 SCOPE: Furnish all labor, materials, equipment, and incidentals as required, and perform all operations in connection with the complete installation of water service lines, in strict accordance with the applicable drawings and these specifications. All permits, permissions, or other authorizations required by the tribal or municipal utility authority for tapping and connection are the responsibility and cost of the Contractor.

TP-2902 GENERAL: Trench excavation and backfilling operations shall be performed as specified in Section I of the Technical Provisions. All water mains shall be performed as specified in Section 4 of the Technical Provisions. All water service lines, service clamps, corporation stops, curb stops, and meter boxes shall be performed in accordance with Section 5 of the Technical Provisions.

TP-2906 BACTERIOLOGICAL ANALYSIS: Water samples shall be taken immediately after successful installation and disinfection of facilities by the Contractor and shall be submitted to the State Department of Health or an Owner approved laboratory for bacteriological analysis. Disinfection shall be in accordance with the provisions of TP-04. If positive bacteriological results are obtained, the disinfection shall be repeated and samples taken until negative bacteriological samples are obtained; this shall be the sole responsibility of the Contractor. Any positive bacteriological results shall be reported to the Owner within the five days of receipt. The Contractor shall submit a copy of the bacteriological testing report from the state to the Owner.

TP-2907 PRESSURE SYSTEM: The pressure system shall include the following items.

A. Pressure System Cover (Pumphouse): If a separate enclosure is required, the Contractor shall furnish and install a prefabricated fiberglass cover, Dyer Fiberglass, Inc. Dyer, TN (phone 731-692-3986), Model D207-48 or equal, to house the pressure system and appurtenances as shown on the drawings. The enclosure shall be approximately 4 feet high by 3’-5” wide by 5 feet long with 1-inch urethane insulation.

The fiberglass enclosure shall be centered over a reinforced concrete slab, dimensions are listed on the drawings. The enclosure top shall be attached to the slab with stainless steel Hilti anchor bolts or similar concrete anchoring device. The enclosure shall have a continuous stainless steel piano hinge with lockable hasp and no vents. All nuts and bolts used in the above construction shall be stainless steel.

C. Pressure System - Structural Components:

1. Equipment Mounting Board: The pump motor control box, circuit breaker panel, and the receptacle shall be mounted on a painted 19mm (¾-inch) CDX plywood board which is bolted to Unistrut metal channels or approved equal.

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This equipment mounting board assembly shall be securely and permanently anchored to the concrete slab with bolts. These items may also be mounted to mobile home supports if adjacent to the pressure tank installation.

3. Booster Pumphouse and Tank Slab Under House: The Contractor shall pour a reinforced concrete slab to support the pressure tank and pressure system appurtenances.

Prior to pouring the base slab, the following shall be installed:

a. A 100mm (4”) schedule 40 PVC or ABS sleeve for the waterline.

b. A 38mm (1 ½”) approved electrical conduit from the service entrance panel.

The sleeve for the water line and the electrical conduit shall extend from the surface of the concrete to a point 2 feet beyond the edge of the concrete slab. The Contract shall provide wide sweep 90º bends in both of these lines to facilitate the removal or repair the each line in the future. Excavation for these components shall be backfilled with sand, which is wetted and tamped prior to pouring the slab.

The slab surface work shall have a burnish-trowel finish and shall be smoothed and sloped toward the drain at 6.4 mm per meter (1/4” per foot).

All concrete work shall be in accordance with Section II of the Technical Provisions.

D. Pressure System - Mechanical Components:

1. Pressure Pump System: The contractor shall furnish and install a fully operational “packaged” pressure boosting system equal to a Grundfos CMBE 1-99 Variable Speed Constant Pressure System. The system shall include but is not limited to the following: 1.5HP controller, wall mount kit, 208-230V 3PH input, Stainless Steel Pump, pressure transducer/switch, pressure tank, discharge tee.

2. Pressure Gauge: The gauge shall be Ashcroft with a range of 1-100 psi, 2” diameter face, brass stem with ¼” thread. Gauge shall be installed vertically and displayed so that it can be easily read.

3. Ball Valve: Ball valve shall be bronze, rated at 125 psi.

4. Pressure System Piping: All piping shall be type K copper piping with brass fittings. Teflon tape or Teflon compound required on all threaded connections. The Contractor shall be responsible for making the physical connection of the pressure tank piping to the existing or proposed home water service line.

5. Pressure Relief Valve: Pressure systems with pumps installed capable of producing more than 80 psi at the pressure tank shall have a pressure relief valve installed near the tank, equal to Goulds AV12-07. The valve shall be set to discharge at 75-80 psi. Nipple and 90 bend shall be provided to direct the discharge to the floor.

6. Heater: The heater shall be equal to a Marley WHT500 well house heater. This shall have 500 watt output with enclosed element, dual voltage rating, neutral grey finish, tamperproof control box, and be 5" H x 3 1/2" D x 21" L.

TP-2908 ELECTRICAL: The Contractor shall furnish and install all electrical components to the place the pressure system in a fully operational and complete condition. All wiring shall be in accordance with the National Electrical Code and applicable State and local electrical codes. Power will be available at each site. Metal boxes and covers shall be used throughout the pressure system enclosure. All metal boxes of electrical components shall be grounded. All wiring shall be neat and orderly in appearance. Conduit shall be used throughout the pressure system between the disconnect, pressure switch, and control box.

A. Service: The Contractor shall supply and install a 230 Volt, 20 amp, 10,000 amp minimum interrupting rating circuit breaker in the existing home's service entrance panel. The Contractor shall then connect electrical service from the main service entrance panel to the pressure system circuit breaker with type UF or USE, three conductors with ground. The grounding conductor shall extend from the main service entrance panel to the pressure system circuit breaker panel, ground fault receptacle, pressure switch, motor panel box, and terminate at the top of the pressure pump. All electrical components shall be installed and mounted as shown in the attached layout and schematic drawings, or as specified by the Owner. The final configuration of all electrical wiring and location shall be specifically approved by the Owner prior to installation.

B. Pressure System Circuit Breaker Panel: The Contractor shall supply the circuit breaker panel and the required breakers for the pressure system. The pressure system circuit breaker panel shall allow for 230-volt pump circuit and a separate 120-volt receptacle circuit. The panel shall have an insulated neutral bar and a separate ground bar kit. The panel shall not have more than six breaker knockouts. The circuit breakers must operate independently except at both poles of the 110-volt breaker. This breaker shall be permanently installed to disconnect simultaneously. The pump shall be two-pole 20 amp, 230 volt with a minimum interrupting rating of 10,000 amps.

The circuit breaker for the receptacle shall be single-pole, 15 amp, 120 volt, minimum interrupting rating of 10,000 amps. The panel shall be housed in a NEMA 1 cabinet without a panel door. The circuit breaker shall be identified with typed labels indicating their function as pump circuit breaker or receptacle breaker, as applicable.

C. Conduit: Wiring above ground around the pressure tank shall be enclosed in galvanized EMT or schedule 40 PVC conduit and sealed with approved silicone sealant. In no case shall exposed wires be run from component.

All conduits shall be properly connected using manufacturers' recommendations. Connections of conduit into boxes and into the well shall be made with threaded lock nuts.

D. Lightning Arrestor: A lightning arrestor shall be installed in or adjacent to the circuit breaker panel immediately ahead of the breaker. The arrestor shall be able to conduct 60,000 amps of lightning or surge to ground without damage. A Delta lightning arrestors model LA 302 R 110-220 volt with 3 wire service for residential wells (915) 267-5268 or equal shall be used on this project. A lightning arrestor is required regardless of pump motor manufacture.

E. Receptacle: One 120-volt duplex ground fault circuit interrupter receptacle, Leviton 6198-I or equal, shall be installed near the pressure tank.

TP-2909 WATER AND SEWER CROSSINGS: Where water service lines must cross sewer service lines or mains, and the water line is not a minimum of 2 feet above the sewer service line or main, special protection is required. In these instances, the sewer service line or main shall be reconstructed of ductile iron pipe of the same size as the original sewer service line or main for a distance of 10 feet on either side of the water/sewer crossing point. All existing sewer grades shall be maintained.

TP-2910 AS-BUILT INFORMATION: The Contractor will maintain a booklet during the project, showing the locations of all facilities installed under this contract. This record will include, but not be limited to the homeowner name and location, the location of the water service line and electrical cable, the size and material of the water service line and electrical cable, and other descriptive information on the pump and pressure tank as listed on the required as-built drawing example. This information must be furnished to the Engineer for approval before final inspection and acceptance of the work.

TP-2911 MEASUREMENT AND PAYMENT: All measurement and payments will be based on completed and accepted work performed in strict accordance with the drawings and specifications and the respective prices and payments shall constitute full compensation for all work complete, including incidentals. No separate payment will be made for testing, excavation, trenching and backfilling or for other items or work covered under this section of the specifications and all costs pertinent to these items shall be included in the applicable unit prices. THERE WILL BE NO PAYMENT FOR ANY OF THE ITEMS LISTED BELOW UNTIL THE NEGATIVE BACTERIOLOGICAL RESULTS, AND WRITTEN PUMP GUARANTEE FOR THE APPLICABLE SYSTEM ARE FURNISHED AND ACCEPTED BY THE OWNER.

A. Booster Pump System: The booster pump system will be paid for at the unit price in the bid schedule. This price shall include all labor, equipment, materials, and incidentals required to furnish and install a fully operational booster pump system complete with pump, controller, pressure tank, shut-off valves, unions, copper piping, brass tank cross, hose bib, pressure transducer, ball valve, pressure gauges, pressure relief valve, and all other required components for a fully functioning system.

B. Electrical System & Pump Protection Equipment: Electrical wiring and Pumpsaver shall be paid for at the unit price in the bid schedule. This price shall include all labor, equipment and materials required for furnishing and installing all electrical wiring, conduit, receptacle, heater, complete equipment mounting board, necessary circuit breakers and panels.

C. Buried Electrical Cable: Buried cable shall be paid for based on the actual feet installed at the unit prices in the bid schedule. Payment shall include all labor, equipment and materials including rigid conduit, adapters and necessary appurtenances required to install the cable including 2 feet slack.

D. Pressure System Cover (pumphouse): Fiberglass enclosure shall be paid at the lump sum price in the bid schedule. This price shall include all labor, equipment and material required for furnishing and installing the concrete pad and fiberglass enclosure.

E. Water System Disinfection: Water system disinfection will be included in the installation of the water service line.

TP-2912 SUBMITTALS

A. Booster Pump B. Underground Wire C. Pressure Tank D. Pressure Switch E. Pressure Gauge F. Check Valve G. Pump Protection Equipment H. Enclosure Heater

PUMP INFORMATION FORM

Reservation: Participant Name:

Contractor:

INDIVIDUAL WATER PRESSURE SYSTEM INSTALLATION:

Site Name:

Type of Pump:

Date of Installation:

Pump Manufacturer:

Model:

Serial No.:

HP: , Dia.: Inches, Volts, Phase, RPM

Amperage: Red: Amp, Black: Amp, Yellow: Amp, Voltage: Red to Black: V, Red to Yellow: V, Yellow to Black: V, TECHNICAL

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