Westlands Park Water Feature Specifications.pdf

WESTLANDS PARK WATER FEATURE UPDATES June 2025

GREENWOOD VILLAGE, COLORADO

TABLE OF CONTENTS

TABLE OF CONTENTS

13 12 00 - Water Feature Mechanical 26 05 11 - Requirements for Electrical Installations 26 05 19 - Low-Voltage Electrical Power Conductors and Cables 26 05 26 - Grounding and Bonding for Electrical Systems 26 05 33 - Raceway and Boxes for Electrical Systems 26 05 73 - Overcurrent Protective Device Coordination Study 26 24 19 - Motor Control Centers 26 27 26 - Wiring Devices 26 29 11 - Motor Controllers 31 20 00 - Earthwork 32 13 16 - Decorative Concrete Finishes 32 18 16 - Playground Protective Surfacing 32 92 00 - Lawns and Grasses 32 93 00 - Exterior Plants 32 93 03 – Landscape Boulders

Note – City of Greenwood Village specifications are provided after Landscape Boulders specification including Construction Surveying, Mobilization, and Cast-in-Place Concrete.

Reference Specifications

In addition, the following specifications are referenced for items included in the project:

Mile High Flood District Standard Specification

Section 31 25 00 Erosion and Sedimentation Controls

Mile High Flood District specifications can be found at https://mhfd.org/resources/specifications/

WATER FEATUE MECHANICAL 13 12 00 - 1

SECTION 13 12 00–WATER FEATURE MECHANICAL SYSTEM

PART 1: GENERAL

1.01 SCOPE OF WORK:

Furnish all labor, materials, supplies, equipment and tools, and perform all operations in connection with and reasonably incidental to the complete installation of the mechanical system for the water feature. The work must include, but not be limited to, the following:

A. Demolition of existing water feature components.

B. Supply and installation of piping.

C. Supply and installation of all pumps, control panel, filter, chemical treatment, and piping and fittings required with mechanical system.

D. Supply and installation of overflow and drains.

E. Start-up and testing of water feature systems and demonstration of performance to the

Owner’s Representative.

F. Replacement of unsatisfactory materials or equipment.

G. Submission of review and record drawings.

H. Submission of all installation, operation, and maintenance manuals.

I. Maintenance period.

J. Guarantee/warranty of equipment.

1.02 SUBMITTALS:

Make submittals to the Owner's Representative. Do not commence affected work until the Owner's Representative makes review in writing.

A. Shop Drawings: Submit each shop drawing called for in the specifications or installation details. Show products required for proper installation, their relative locations, and critical dimensions. Note additions or modifications from the installation detail.

B. Manufacturer's Data: Submit for approval manufacturer's catalog cuts, specifications, and operating instructions for all equipment supplied prior to installation.

C. Maintenance Manual: Submit copies of a bound maintenance manual that includes all manufacturers’ data listed above and recommended operating procedures, adjustments, system trouble shooting, and preventive maintenance procedures for all equipment supplied.

1.03 QUALIFICAITONS

A. Contractor must have experience installing the following:

1. Water feature mechanical systems including PVC piping, pumps, control panels, and nozzles. Contractor to demonstrate that they have installed a minimum of five (5) water features in similar scope as this project.

2. A minimum of 10,000 sf of pond liner.

3. A minimum of 2,000 linear feet of HDPE pipe require butt fusion techniques.

B. Contractor to provide copy of certifications to Owner’s Representative.

1.04 RULES AND REGULATIONS:

A. Work and materials must be in accordance with the National Electric Code (Specifically

Article 680), Uniform Plumbing Code as published by the Western Plumbing Officials Association, NEMA, and other applicable state or local laws or regulations. Nothing in these drawings or specifications is to be construed to permit work which would not conform to these codes.

B. When the construction documents call for materials or construction of a better quality or larger size than required by the above mentioned rules and regulations, provide the quality and size required by the construction documents.

WATER FEATUE MECHANICAL 13 12 00 - 2

1.05 TESTING AND START-UP:

A. Start-Up: Conduct start-up after all piping and electrical connections have been completed. Operate and adjust the mechanical system to satisfy performance demands as specified.

B. Notify the Owner's Representative three days in advance of Start-Up testing.

C. Hydrostatic Pressure Test (Pressurized Pipes): Subject all pressurized piping, valves, and joints to a hydrostatic pressure equal to 100% of the shut-off pressure of the pump used for a period of 24-hours. Observe pressure loss via pressure gauge during 24-hour test. Pressure loss not to exceed 3 PSI during test. If test fails, identify leakage points and reseal as necessary and conduct testing until test passes pressure loss criteria.

D. Hydrostatic Pressure Testing (Gravity Pipes): Subject all gravity fed pipes in the following fashion.

1. Plug low end of pipe.

2. Fill pipe full.

3. Observe water level over 12-hour period.

4. If water level drops 4-inches locate source of leak and repair piping and/or fitting as necessary.

5. Repeat test until pipe passes.

E. Performance Testing: Each pumping system must operate without undue vibration throughout the range of operating conditions. Each pump must be given a running test of normal start and stop conditions under load. All defects must be corrected and adjustments made at the expense of the Contractor. Tests must be repeated until satisfactory results are obtained.

F. Cement or caulking to seal leaks is prohibited.

G. Liner System:

1. Conduct non-destructive test on all liner joints per manufacturer’s guidelines.

2. Replace joints that fail test.

3. Retest until all joints pass test.

H. Copper Tracing Wire:

1. Pass current through wire and demonstrate that wire is capable of locating all pipe.

2. If wire will not pass current, locate break in circuit, repair or replace wire or splice, and test until tracer wire works in accordance for its intended use.

1.06 COORDINATION WITH OTHER SPECIALTIES:

A. Obtain copies of the civil, landscape, site utility drawings, electrical drawings, and architectural drawings before commencing with any construction.

B. Coordinate construction with other work to minimize conflicts between trades.

1.07 GUARANTEE/WARRANTY AND REPLACEMENT:

The purpose of this guarantee/warranty is to ensure that the Owner receives materials of prime quality, installed and maintained in a thorough and careful manner.

A. For a period of one year from commencement of the formal maintenance period, guarantee workmanship against defects. Fill and repair depressions. Restore landscape or structural features damaged by the settlement of trenches or excavations. Repair damage to the premises caused by a defective item. Make repairs within seven days of notification from the Owner’s Representative.

B. Contract documents govern replacements with new work. Make replacements at no additional cost to the contract price.

C. Guarantee/warranty applies to originally installed materials and equipment and replacements made during the guarantee/warranty period.

WATER FEATUE MECHANICAL 13 12 00 - 3

PART 2: MATERIALS

2.01 QUALITY:

Materials used in the system must be new and without flaws or defects of any type and must be the best of their class and kind.

2.02 SUBSTITUTIONS:

A. Make complete submittals of all manufacturers’ data showing compliance with the Contract Documents.

B. Specific manufacturers and part numbers are referenced in the construction documents for the water feature system. All water feature components including pumps and control panel must be provided by a single supplier/manufacturer.

C. In making a request for a substitution, the Contractor represents that he:

1. Has investigated the proposed substitution and found that it is the same or better quality, level, capacity, function, or appearance than the specified product, and can demonstrate that to the Engineer. Failure to investigate substitution and insufficient documentation to Engineer will result in automatic rejection of submittal.

2. Will coordinate the installation and make all modifications that may be required for complete installation and operation of the system.

D. The Engineer and the Owner will determine acceptability of the proposed substitution and will notify Contractor of acceptance or rejection.

E. Pipe sizes referenced in the construction documents are minimum sizes and may be increased at the option of the Contractor.

2.03 PIPE, VALVES, AND FITTINGS:

A. PVC Pipe and Fittings:

1. Use rigid, unplasticized polyvinyl chloride (PVC) 1120, 1220 National Sanitation

Foundation (NSF) approved pipe, extruded from material meeting the requirements of Cell Classification 12454-A or 12454-B, ASTM Standard D1784, with integral belled end.

2. Use solvent weld pipe for pipe. Use Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM Standards D2466 and D1784. Use primer approved by pipe manufacturer. Use solvent cement conforming to ASTM Standard D2564.

B. HDPE Pipe and Fittings:

1. Use high density, extra high molecular weight polyethylene pipe (HDPE), extruded from material meeting the specifications of cell classification 445574C, ASTM standard D 3350, PE4710, DR noted on construction documents, conforming to the dimensions and tolerances established by AWWA C906 and/or ASTM F 714 (if applicable).

2. Join pipe lengths using butt-fusion technique as recommended by pipe manufacturer. Join HDPE to dissimilar pipe materials using HDPE (butt-fusion) x flange adapter with ductile iron back-up ring.

C. Specialized Pipe and Fittings:

1. Assemblies calling for threaded pipe connections must utilize PVC Schedule 80 nipples and PVC Schedule 40 threaded fittings.

2. Use stainless steel fasteners and rubber gaskets for flanged connections.

3. Joint sealant: Use only Teflon-type tape pipe joint sealant on plastic threads.

Use nonhardening, nontoxic pipe joint sealant formulated for use on water-carrying pipes on metal threaded connections.

D. Waterstop Flanges:

1. Furnish waterstop assembly with NPT female threaded connection and bonding lug for ground connection.

2. Furnish fittings for all pipe penetrations through concrete.

WATER FEATUE MECHANICAL 13 12 00 - 4

2.04 WET WELL

A. Wet well to be fabricated from HDPE.

B. Provide shop drawings showing complete information for the fabrication and installation of wet well. Include special reinforcement and lifting devices necessary for handling and erection.

C. Provide layout dimensions and detail connections, joints, accessories, and openings.

D. Furnish access hatch and ladder as indicated in installation details.

E. Furnish shop drawing with Registered Professional Engineers (PE) seal.

F. Manufacturer: Watertronics (contact: Drew Palmer, phone: 262-399-8185) or Engineer approved equal.

2.05 COPPER TRACING WIRE:

A. Use American Wire Gauge (AWG) No. 12-1 solid copper, 600 volt, Type UF or PE cable, UL approved for direct underground burial.

B. Color: Wire color shall be continuous over entire length.

C. Splices: Use 3M DBR/Y-6 wire connector with waterproof sealant.

2.06 SUPPLY PIPE ASSEMBLIES:

A. Stone/Rock Outlet: As presented on drawings and installation details.

B. Spray Nozzle: As presented on drawings and installation details.

C. Bubbler Nozzle: As presented on drawings and installation details.

D. Channel Outlet: As presented on drawings and installation details.

E. Gate Valve Assembly: As presented on drawings and installation details.

F. Solenoid Valve Assembly: As presented on drawings and installation details.

G. Quick Coupling Valve Assembly: As presented on drawings and installation details.

2.07 DRAINAGE ASSEMBLIES:

A. Plaza Drain: As presented on drawings and installation details.

2.08 MECHANICAL SYSTEM:

A. Pumping System

1. Pumps and control panel furnished by a single manufacturer/supplier.

2. Acceptable Manufacturers/Suppliers:

a. Precision Pumps, Representative: Jason Mower, Phone: 720-233-9698

b. Watertronics, Representative: Drew Palmer, Phone: 262-399-8185

c. Engineer Approved Equal

B. Pumps:

1. Pump:

a. Furnish pump, electric motor driven meeting pumping performance indicated on drawings and installation details.

b. Voltage and phase per drawings and installation details

c. Continuous power wiring from motor to control panel – no splices.

d. Motor must conform to NEMA, IEEE, ANSI, and NEC standards.

e. Impeller: Bronze, two vane closed design for high efficiency and maximum wear life. Balanced for smooth operation.

f. Bronze wear ring: Replaceable to renew the running clearances and efficiencies to original conditions.

g. Continuous operation: Motor must be rated for continuous duty. Motor must be suitable for 6 starts per hour.

h. Pump seals must be made of materials that withstand chlorinated water.

i. Acceptable Manufacturers:

1) Goulds

2) Or Engineer Approved Equal

WATER FEATUE MECHANICAL 13 12 00 - 5

2. Electrical Wiring and Conduit

a. Use galvanized, rigid or flexible conduit.

b. All conduit must conform to UL specifications.

c. All power wiring to be installed per NEC and local codes.

d. All electrical work installed by Licensed Electrician.

C. Water Treatment:

1. Accu-Tab pH and Acid Chlorinator

a. Furnish Accu-Tab pH and Acid Chlorinator assemblies indicated on drawings and installation details.

b. Voltage and phase per drawings and installation details.

c. Connect to existing BECSYS per manufacturer’s guidelines.

2. Electrical Wiring and Conduit

a. Use galvanized, rigid or flexible conduit.

b. All conduit must conform to UL specifications.

c. All power wiring to be installed per NEC and local codes.

d. All electrical work installed by Licensed Electrician.

D. Filter:

1. Filter

a. Furnish filter indicated on drawings and installation details.

b. Connect low voltage control wiring from filter control panel to the pump control panel per manufacturer’s guidelines.

2. Electrical Wiring and Conduit

a. Use galvanized, rigid or flexible conduit.

b. All conduit must conform to UL specifications.

c. All power wiring to be installed per NEC and local codes.

d. All electrical work installed by Licensed Electrician.

2.09 CONTROLS:

A. Enclosures:

1. All control panels must be mounted in a self contained dead front, lockable, NEMA 3R enclosure with a drip lip fabricated from not less than 12 gauge steel.

Door gasket seals must be neoprene sponge, sufficient to protect interior components from weather and dust. The electrical panel doors must be constructed from 12-gauge steel with integral locking screws and latches.

2. Provide operating handle for disconnect on the front of the panel. Furnish weatherproof and dust proof external operating devices.

3. All internal components of the enclosures must be mounted on removable back panels. Mounting screws for components must not be tapped in the panel enclosure.

4. All internal wiring within, and interconnecting between, the panels must be complete and no field wiring within the panels must be required. Wiring troughs and cable raceways must be self-contained within the enclosures and no external cable trays or wiring troughs are permitted.

5. No pressure gauges, pressure switches, water activated devices, or water lines of any sort must be installed in any electrical control panel. All adjustments and maintenance must be able to be done from the front of the control enclosure. A complete wiring circuit and legend with all terminals, components, and wiring identification must be provided. Main disconnect must be interlocked with door.

6. A three-pole, main station disconnect must be contained within the enclosure.

Disconnect must isolate all power to the control enclosure. The disconnect must have an operating handle mounted in the enclosure door, mechanically interlocked to prevent entry while disconnect is in the ON position.

7. All electrical starter and control panels must be assembled from components that are U.L. listed and each completed panel must be U.L. listed as an Industrial Control Panel.

WATER FEATUE MECHANICAL 13 12 00 - 6

8. A force air cooling system with thermostat must be included to cool the enclosure and reject heat from the electronics.

9. Provide corrosion inhibiting modules in accordance with the manufacturer’s recommendations.

B. Pump Motor Starters, Disconnect, and Electrical Switch Gear:

1. The pump motor starter must be contained within a single NEMA 3R enclosure with a single access door and main disconnect. Each starter must be protected on each power leg by a time delay fuse of the appropriate amperage. Motor starter coils must be 120 volt operated.

2. Overload relays must be ambient-compensating type installed on each power leg and must be set to trip at 105% of motor full-load current rating.

C. Master Controls:

Provide complete instrumentation and controls to automatically start and stop pumps.

Provide full alarms and safety features needed to protect the mechanical equipment.

Provide instrumentation to allow water level transducer to turn on existing low voltage water make up valve depending on water level in wet well.

1. Water Treatment Pump Operation: Water treatment pump to be constant speed.

Install programmable timer so Owner can program what times the pump can operate. Timer to allow a minimum of two stop/start times per day.

2. Stone/Channel Pump Operation: Stone/Channel pump to utilize VFD.

3. Spray/Bubbler Pump Operation: Spray/Bubbler pump to utilize VFD.

4. Alarms and shutdowns:

a. Low water level A red general alarm light will indicate all alarms. Specific alarm conditions along with procedures for correction will be displayed in English on the operator interface display (OID).

5. Panel face switches and lights:

a. Pump on/off switches

b. System Hand/Off/Automatic switch or switches

c. Reset -- Acknowledges pump alarms

D. Wiring:

1. All wiring from control panel to motors must be in liquid-tight conduit with copper conductors rated not less than 600 volts AC and of proper size to carry the full load amperage of the motors without exceeding 70% capacity of the conductor. A grounding cable must be included in the liquid- tight conduit. There must be no splices between the motor starters and the motor connection boxes.

E. Lightning Arrestor:

The main power supply feeding the pumping system must be equipped with a secondary lighting arrestor having a breakdown current rating of not less that 60,000 amps at 14,000 volts discharge. Power supplies, 300 volts and less, must use 300 volt rated arrestor with an 800 volt spark-over voltage. Power supplies 301-600 volts must use 600 volt rated arrestors with a 1,000-volt spark-over voltage.

F. Misc. Electrical Components:

1. Main Disconnect: A three-pole main station disconnect must be mounted in a separate NEMA 3S enclosure to completely isolate the electrical system from incoming power. The disconnect must conform to the requirements of the NEC and applicable local codes. The main disconnect must have an operating handle on the front of the panel.

2. Secondary Control Circuit Fuses: Single-pole secondary distribution fuses with appropriate ratings must supply power to each pump starter coil circuit, the control system, and to other circuits as required.

WATER FEATUE MECHANICAL 13 12 00 - 7

3. Water Fill: Control panel to activate 24 VAC valve to fill water feature to desired water level indicated on drawings and installation details. Once desired water level is achieved the 24 VAC signal stops thus deactivating the valve.

4. Corrosion Inhibiting Modules: Corrosion inhibiting modules must be installed in all electrical enclosures in accordance with the manufacturer's recommendations.

G. Standards:

1. All wiring must conform to the National Electrical Code Standards. Flexible conduit sections must be less than 5 feet in length. All conduit to devices must be attached securely to avoid trip hazards.

2. The manufacturer must provide a wiring schematic. The schematic must show all devices, connections and wire numbers.

3. All controls and electrical equipment must be thoroughly inspected and tested before shipment.

H. Push Button Bollard

1. Push button bollard furnished by Vortex.

2.10 LINING:

A. Liner: 30 MIL RPE liner or Engineer approved equal.

1. Sheeting must be manufactured from a composition of ingredients suitably compounded of 100% virgin material and specifically compounded for use in hydraulic structures. Reprocessed or reground materials are not acceptable. The use of water-soluble formulation ingredients is not acceptable.

2. Provide manufacturer’s current certification test results for liner materials with delivery documentation for this project showing material meets specifications.

3. Furnish membrane lining consisting of 72-inch or greater widths of calendared sheeting fabricated into large sections by means of special factory-bonded seams into a single panel, or into minimum number of large panels required to fit job site.

4. Furnish sheeting that is flexible, durable, and watertight, free of pinholes, blisters, holes, or other contaminants.

5. Furnish membrane material uniform in color, thickness, size and surface texture.

6. Furnish material having following minimum physical properties as specified by

ASTM:

a. Nominal Thickness: 30 mils +/- 10%

b. Minimum mass per unit area: 0.12 lb/ft2

c. Tensile Strength grab: 450 lb/in, min avg.

d. Tensile Elongation, grab: 25%, min avg.

e. Hydrostatic resistance: 600 psi

f. Puncture resistance: 325 lbf

g. Low temperature cold crack: -60 F

B. Geotextile:

1. Furnish 100% polypropylene, nonwoven, needle punch, geotextile.

2. Furnish material having the minimum average roll values as specified by ASTM:

a. Fabric Weight: 8.0 ounces/sq. yard

b. Grab Tensile Strength: 230 lbs.

c. Grab Elongation: 60%

d. Trapezoid Tear Strength: 95 lbs

e. Puncture Strength: 120 lbs

f. Mullen Burst Strength: 390 psi

g. Water Flow Rate: 120 gpm/ft2

h. Permeability: 0.48 cm/sec

i. U.V. Resistance: 70%

j. Apparent Opening Size: US Sieve 100 mm

3. Use products manufactured by SI Geosolutions, Mirafi, Inc., DuPont, Inc., Nicolon Corporation, Geotex, or Engineer approved equal.

WATER FEATUE MECHANICAL 13 12 00 - 8

PART 3: EXECUTION

3.01 INSPECTIONS AND REVIEWS:

A. Site Inspections:

1. Verify site conditions and note irregularities affecting work of this section. Report irregularities to the Owner's Representative prior to beginning work.

2. Beginning work of this section implies acceptance of existing conditions.

B. Utility Locates ("Call Before You Dig"):

1. Arrange for and coordinate with local authorities the location of all underground utilities.

2. Repair any underground utilities damaged during construction. Make repairs at no additional cost to the contract price.

C. System Operation and Performance Review: Notify the Owner's Representative two days in advance of review.

1. Operate pump systems, filter, water treatment, and all other components of the system. Verify proper operation of all equipment.

2. Modifications will be identified by the Owner's Representative.

3.02 EXCAVATION, TRENCHING, AND BACKFILLING:

A. Excavate to permit the pipes to be laid at the intended elevations and to permit work space for installing connections and fittings.

B. Minimum cover (distance from top of pipes to finish grade) varies depending on pipe type and required inverts. Pressurized pipes to be a minimum of 30-inches unless otherwise noted on plans. Gravity pipes to be sloped as indicted on plans (refer to plans for invert elevations as applicable). .

C. Backfill only after lines have been reviewed and tested.

D. Excavated material is generally satisfactory for backfill. Backfill must be free from rubbish, vegetable matter, and stones larger than 2-inches in maximum dimension.

Remove material not suitable for backfill. Backfill placed next to pipe must be free of sharp objects which may damage the pipe.

E. Backfill pipe in either of the following manners:

1. Backfill and puddle the lower half of the trench. Allow to dry 24 hours. Backfill the remainder of the trench in 6-inch layers. Compact to density of surrounding soil.

2. Backfill the trench by depositing the backfill material equally on both sides of the pipe in 6-inch layers and compacting to the density of surrounding soil.

F. Dress backfilled areas to original grade. Dispose of excess backfill off site.

G. Where utilities conflict with trenching and pipe work, contact the Owner's Representative for trench depth adjustments.

H. Wet well to be backfilled in the following manners:

1. Over excavate assembly as indicated in details. Compact fill in 12-inch lifts to 95 percent Standard Proctor Density, ASTM D 698. Use excavated soils as fill material free of stones larger than 2-inches in diameter.

2. Compact fill in 12-inch lifts to 95 Standard Proctor Density, ASTM D 698.

3.03 ASSEMBLING PIPE AND FITTINGS:

A. General:

1. Keep pipe free from dirt and pipe scale. Cut pipe ends square and debur. Clean pipe ends.

2. Keep ends of assembled pipe capped. Remove caps only when necessary to continue assembly.

3. Trenches may be curved to change direction or avoid obstructions within the limits of the curvature of the pipe. No deflection should occur at a pipe joint.

B. PVC Pipe and Fittings:

1. Use only strap-type friction wrenches for threaded plastic pipe.

WATER FEATUE MECHANICAL 13 12 00 - 9

2. PVC Solvent Weld Pipe:

a. Use primer and solvent cement. Join pipe in a manner recommended by the manufacturer and in accordance with accepted industry practices.

b. Cure for 30 minutes before handling and 24 hours before allowing water in pipe.

c. Snake pipe from side to side within the trench.

3. Fittings: The use of cross type fittings is not permitted.

C. HDPE Pipe and Fittings:

1. Fusion equipment operators to be trained and certified per ASTM F3190. Join pipe lengths using butt-fusion techniques per ASTM F2620 and as recommended by pipe manufacturer.

2. Join HDPE pipe to dissimilar pipe materials using HDPE (butt-fusion) x flange adapter with ductile iron back-up ring. Provide flanged transition fitting as required for connection to dissimilar pipe material.

D. Specialized Pipe and Fittings:

1. PVC Threaded Connections:

a. Use only factory-formed threads. Field-cut threads are not permitted.

b. Use only Teflon-type tape.

c. When connection is plastic-to-metal, the plastic component must have male threads and the metal component must have female threads.

2. Make metal-to-metal, threaded connections with Teflon-type tape or pipe joint compound applied to the male threads only.

E. Waterstop Flanges:

1. Install at all pipe penetrations where indicated on plans and installation details.

2. Install according to manufacturer’s details and instructions.

F. Grounding: Insure that plaza rebar and nozzles are properly grounded.

3.04 WET WELL:

A. All stub outs connecting to wet well to be installed by manufacturer.

B. Coordinate exact location and alignment of fixtures with Owner’s Representative prior to installation.

C. Install units on gravel subbase over compacted subgrade in accordance with manufacturer's instructions.

D. Lift, place, and secure units in accordance with manufacturer's instructions and final shop drawings. Do not install units until supporting members are in place and secured.

1. Lift only at lifting points provided and install temporary shoring and bracing as necessary.

2. Level units accurately and in acceptable condition to allow installation of subsequent work.

3. Grout all joints and repair damaged exposed surfaces as required.

3.05 INSTALLATION OF COPPER TRACING WIRE:

A. Install tracing wire as shown in the details.

B. Tape to top centerline of pipes with adhesive tape or plastic tie straps so that the wire remains in place during embedding and backfilling.

C. Bring tracing wire to the surface in all supply pipe assemblies (ie. gate valves).

1. If not gate valves are on a pipe, coil 30-inch length of tracing wire near the beginning, middle, and end of pipe.

WATER FEATUE MECHANICAL 13 12 00 - 10

3.06 SUPPLY PIPE ASSEMBLIES:

A. Stone/Rock Outlet: Install where indicated on the drawings.

B. Spray Nozzle: Install where indicated on the drawings. Install in strict accordance to manufacturer’s guidelines.

C. Bubbler Nozzle: Install where indicated on the drawings. Install in strict accordance to manufacturer’s guidelines.

D. Channel Outlet: Install where indicated on the drawings.

E. Gate Valve Assembly: Install where indicated on the drawings. Brands “GV” on valve box lid in 2-inch high letters.

F. Solenoid Valve Assembly: Install where indicated on the drawings.

G. Quick Coupling Valve Assembly: Install where indicated on the drawings. Brand “QC” on valve box lid in 2-inch high letters.

3.07 DRAINAGE ASSEMBLIES:

A. Plaza Drain: Coordinate exact locations as schematically indicated on the drawings.

3.08 MECHANICAL SYSTEM:

A. Pumps:

1. Install pump per manufacturer’s guidelines. Complete all piping connections prior to startup and operation of the pump system.

2. Electrical connection must consist of a single conduit from disconnect to the pump system main disconnect.

3. Start up procedures must include the following:

a. Station start up and pressurization

b. Programming adjustments

c. Instruct operations personnel as to the operation, adjustment and maintenance of the pump station.

d. Owner and operator training.

B. Water Treatment:

1. Accu-Tab pH and Acid Chlorinator

a. Install per manufacturer’s guidelines. Complete all piping connections prior to startup and operation of the pump system.

b. Complete all electrical connections per NEC codes and local electrical codes.

C. Filter:

1. Install per manufacturer’s guidelines. Complete all piping connections prior to startup and operation of the pump system.

2. Complete all electrical connections per NEC codes and local electrical codes.

3.09 CONTROLS:

A. Install in strict accordance to manufacturer’s guidelines, NEC codes, and local electrical codes.

3.10 LINING:

A. Install in strict accordance to manufacturer’s guidelines.

3.11 INSTALLATION OF OTHER COMPONENTS:

A. Tools: Prior to the Pre-Maintenance Review, supply to the Owner operating keys, servicing tools, test equipment, and any other items indicated on the drawings.

B. Other Materials: Install other materials or equipment shown on the drawings or installation details to be part of the mechanical system, even though such items may not have been referenced in these specifications.

WATER FEATUE MECHANICAL 13 12 00 - 11

3.12 PROJECT RECORD (AS-BUILT) DRAWINGS:

A. Maintain on-site and separate from documents used for construction, one complete set of contract documents as Project Documents. Keep documents current. Do not permanently cover work until as-built information is recorded.

B. Record pipe and wiring network alterations. Record work which is installed differently than shown on the construction drawings. Record accurate reference dimensions, measured from at least two permanent reference points.

3.13 MAINTENANCE:

A. Upon completion of Final Review, maintain mechanical systems (pumps and control panel) for a duration of 1-year. Make periodic examinations and adjustments to the mechanical system components so as to achieve the most desirable operating conditions.

B. Contractor to perform all routine and seasonal maintenance tasks to water treatment for a duration of 1-year.

C. Contractor to winterize water feature system in fall following completion of water feature system. Start-up water feature system in spring following completion of water feature system. Repair any damage caused in improper winterization at no additional cost to Owner. Coordinate winterization and start-up with maintenance personnel.

D. Following completion of Contractor’s maintenance period, Owner will be responsible for maintaining water feature system in working order during remainder of guarantee/warranty period, for performing necessary maintenance, and for preventing damage to water feature system.

E. Winterization Procedures: Provide a detailed description of winterization procedures required for water feature system.

3.14 CLEANUP:

A. Upon completion of work, remove from the site all machinery, tools, excess materials, and rubbish.

B. Remove all debris and foreign material from the construction area prior to operating the system.

WATER FEATUE MECHANICAL 13 12 00 - 12

MEASUREMENT AND PAYMENT

4.01 MEASUREMENT AND PAYMENT

A. Base Bid: The water feature mechanical system measurement and payment to be itemized to include:

Item Description Qty Unit

New Control Panel LS

4-Inch Supply Piping LF

3-inch Supply Piping LF

2-inch Supply Piping LF

Conduit LF

2-inch Lateral Piping LF

10-inch Return Piping LF

4-inch Overflow Piping LS

4-inch Drain Piping LF

1-inch Piping for Quick Coupling Valve LF

Plaza Drain EA

Wet Well EA

Stone/Rock Outlet EA

Clean Out Assembly EA

Bubbler Nozzle EA

Spray Nozzle EA

Channel Outlet EA

4-inch Gate Valve Assembly EA

3-inch Gate Valve Assembly EA

2-inch Gate Valve Assembly EA

Bollard Assembly EA

Solenoid Valve Manifold LS

Quick Coupling Valve Assembly EA

Move Existing BECSYS Controller LS

New 10 HP Pump LS

New 2 HP Pump LS

New 8-Inch Basket Strainer LS

Accu Tab Systems EA

B. Bid Alternate: The water feature mechanical system measurement and payment to be lump sum based on the description on the drawings for the bid alternate.

END OF SECTION

WATER FEATURE ELECTRICAL 26 05 11 - 1

SECTION 26 05 11–REQUIREMENTS FOR ELECTRICAL INSTALLTIONS

1.01 DESCRIPTION:

A. This section applies to all sections of Division 26.

B. Furnish and install electrical systems, materials, equipment, and accessories in accordance with the specifications and drawings. Capacities and ratings of motors, transformers, conductors and cable, switchboards, switchgear, panelboards, motor control centers, generators, automatic transfer switches, and other items and arrangements for the specified items are shown on the drawings.

C. Electrical service entrance equipment and arrangements for temporary and permanent connections to the electric utility company’s system shall conform to the electric utility company's requirements. Coordinate fuses, circuit breakers and relays with the electric utility company’s system, and obtain electric utility company approval for sizes and settings of these devices.

D. Conductor ampacities specified or shown on the drawings are based on copper conductors, with the conduit and raceways sized per NEC. Aluminum conductors are prohibited.

1.02 MINIMUM REQUIREMENTS:

A. The latest International Building Code (IBC), Underwriters Laboratories, Inc. (UL), Institute of Electrical and Electronics Engineers (IEEE), and National Fire Protection Association (NFPA) codes and standards are the minimum requirements for materials and installation.

B. The drawings and specifications shall govern in those instances where requirements are greater than those stated in the above codes and standards.

1.03 TEST STANDARDS:

A. All materials and equipment shall be listed, labeled, or certified by a Nationally Recognized

Testing Laboratory (NRTL) to meet Underwriters Laboratories, Inc. (UL), standards where test standards have been established. Materials and equipment which are not covered by UL standards will be accepted, providing that materials and equipment are listed, labeled, certified or otherwise determined to meet the safety requirements of a NRTL. Materials and equipment which no NRTL accepts, certifies, lists, labels, or determines to be safe, will be considered if inspected or tested in accordance with national industrial standards, such as ANSI, NEMA, and NETA.

Evidence of compliance shall include certified test reports and definitive shop drawings.

B. Definitions:

1. Listed: Materials and equipment included in a list published by an organization that is acceptable to the Authority Having Jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production or listed materials and equipment or periodic evaluation of services, and whose listing states that the materials and equipment either meets appropriate designated standards or has been tested and found suitable for a specified purpose.

2. Labeled: Materials and equipment to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the Authority Having Jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled materials and equipment, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner.

3. Certified: Materials and equipment which:

a. Have been tested and found by a NRTL to meet nationally recognized standards or to be safe for use in a specified manner.

b. Are periodically inspected by a NRTL.

c. Bear a label, tag, or other record of certification.

4. Nationally Recognized Testing Laboratory: Testing laboratory which is recognized and approved by the Secretary of Labor in accordance with OSHA regulations.

WATER FEATURE ELECTRICAL 26 05 11 - 2

1.04 QUALIFICATIONS (PRODUCTS AND SERVICES):

A. Manufacturer’s Qualifications: The manufacturer shall regularly and currently produce, as one of the manufacturer's principal products, the materials and equipment specified for this project, and shall have manufactured the materials and equipment for at least three years.

B. Product Qualification:

1. Manufacturer's materials and equipment shall have been in satisfactory operation, on three installations of similar size and type as this project, for at least three years.

2. The Government reserves the right to require the Contractor to submit a list of installations where the materials and equipment have been in operation before approval.

C. Service Qualifications: There shall be a permanent service organization maintained or trained by the manufacturer which will render satisfactory service to this installation within eight hours of receipt of notification that service is needed. Submit name and address of service organizations.

1.05 APPLICABLE PUBLICATIONS:

A. Applicable publications listed in all Sections of Division 26 shall be the latest issue, unless otherwise noted.

B. Products specified in all sections of Division 26 shall comply with the applicable publications listed in each section.

1.06 MANUFACTURED PRODUCTS:

A. Materials and equipment furnished shall be of current production by manufacturers regularly engaged in the manufacture of such items, and for which replacement parts shall be available.

Materials and equipment furnished shall be new, and shall have superior quality and freshness.

B. When more than one unit of the same class or type of materials and equipment is required, such units shall be the product of a single manufacturer.

C. Equipment Assemblies and Components:

1. Components of an assembled unit need not be products of the same manufacturer.

2. Manufacturers of equipment assemblies, which include components made by others, shall assume complete responsibility for the final assembled unit.

3. Components shall be compatible with each other and with the total assembly for the intended service.

4. Constituent parts which are similar shall be the product of a single manufacturer.

D. Factory wiring and terminals shall be identified on the equipment being furnished and on all wiring diagrams.

E. When Factory Tests are specified, Factory Tests shall be performed in the factory by the equipment manufacturer, and witnessed by the contractor. In addition, the following requirements shall be complied with:

1. The Government shall have the option of witnessing factory tests. The Contractor shall notify the Government through the Resident a minimum of thirty (30) days prior to the manufacturer’s performing of the factory tests.

2. When factory tests are successful, contractor shall furnish four (4) copies of the equipment manufacturer’s certified test reports to the Resident Engineer fourteen (14) days prior to shipment of the equipment, and not more than ninety (90) days after completion of the factory tests.

3. When factory tests are not successful, factory tests shall be repeated in the factory by the equipment manufacturer, and witnessed by the Contractor. The Contractor shall be liable for all additional expenses for the Government to witness factory re-testing.

1.07 VARIATIONS FROM CONTRACT REQUIREMENTS

A. Where the Government or the Contractor requests variations from the contract requirements, the connecting work and related components shall include, but not be limited to additions or changes to branch circuits, circuit protective devices, conduits, wire, feeders, controls, panels and installation methods.

1.08 MATERIALS AND EQUIPMENT PROTECTION

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A. Materials and equipment shall be protected during shipment and storage against physical damage, vermin, dirt, corrosive substances, fumes, moisture, cold, freeze and rain.

1. Store materials and equipment indoors in clean dry space with uniform temperature to prevent condensation.

2. During installation, equipment shall be protected against entry of foreign matter, and be vacuum-cleaned both inside and outside before testing and operating. Compressed air shall not be used to clean equipment. Remove loose packing and flammable materials from inside equipment.

3. Damaged equipment shall be repaired or replaced, as determined by the Resident Engineer.

4. Painted surfaces shall be protected with factory installed removable heavy kraft paper, sheet vinyl or equal.

5. Damaged paint on equipment shall be refinished with the same quality of paint and workmanship as used by the manufacturer so repaired areas are not obvious.

1.09 WORK PERFORMANCE

A. All electrical work shall comply with requirements of the latest NFPA 70 (NEC), NFPA 70B, NFPA 70E, NFPA 99, NFPA 110, NFPA 780, OSHA Part 1910 subpart J – General Environmental Controls, OSHA Part 1910 subpart K – Medical and First Aid, and OSHA Part 1910 subpart S – Electrical, in addition to other references required by contract.

B. Job site safety and worker safety is the responsibility of the Contractor.

C. Electrical work shall be accomplished with all affected circuits or equipment de-energized.

D. For work that affects existing electrical systems, arrange, phase and perform work to assure minimal interference with normal functioning of the facility. Refer to Article OPERATIONS AND STORAGE AREAS under Section 01 00 00, GENERAL REQUIREMENTS.

E. New work shall be installed and connected to existing work neatly, safely and professionally.

Disturbed or damaged work shall be replaced or repaired to its prior conditions, as required by Section 01 00 00, GENERAL REQUIREMENTS.

F. Coordinate location of equipment and conduit with other trades to minimize interference.

1.10 EQUIPMENT INSTALLATION AND REQUIREMENTS

A. Equipment location shall be as close as practical to locations shown on the drawings.

B. Working spaces or working clearances shall comply with NEC’s requirements, at a minimum.

C. Inaccessible Equipment:

1. Where the Government determines that the Contractor has installed equipment not readily accessible for operation and maintenance, the equipment shall be removed and reinstalled as directed at no additional cost to the Government.

2. "Readily accessible” is defined as being capable of being reached quickly for operation, maintenance, or inspections without the use of ladders, or without climbing or crawling under or over obstacles such as, but not limited to, motors, pumps, belt guards, transformers, piping, ductwork, conduit and raceways.

D. Electrical service entrance equipment and arrangements for temporary and permanent connections to the electric utility company’s system shall conform to the electric utility company's requirements. Coordinate fuses, circuit breakers and relays with the electric utility company’s system, and obtain electric utility company approval for sizes and settings of these devices.

1.11 EQUIPMENT IDENTIFICATION

A. In addition to the requirements of the NEC, install an identification sign which clearly indicates information required for use and maintenance of items such as switchboards and switchgear, panelboards, cabinets, motor controllers, fused and non-fused safety switches, generators, automatic transfer switches, separately enclosed circuit breakers, individual breakers and controllers in switchboards, switchgear and motor control assemblies, control devices and other significant equipment.

WATER FEATURE ELECTRICAL 26 05 11 - 4

B. Identification signs for Normal Power System equipment shall be laminated black phenolic resin with a white core with engraved lettering.

C. Install adhesive arc flash warning labels on all equipment as required by the latest NFPA 70E.

Label shall show specific and correct information for specific equipment based on its arc flash calculations. Label shall show the followings:

1. Nominal system voltage.

2. Equipment/bus name, date prepared, and manufacturer name and address.

3. Arc flash boundary.

4. Available arc flash incident energy and the corresponding working distance.

5. Minimum arc rating of clothing.

6. Site-specific level of PPE.

1.12 SUBMITTALS

A. Submit to the Resident Engineer in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. The Government's approval shall be obtained for all materials and equipment before delivery to the job site. Delivery, storage or installation of materials and equipment which has not had prior approval will not be permitted.

C. All submittals shall include six copies of adequate descriptive literature, catalog cuts, shop drawings, test reports, certifications, samples, and other data necessary for the Government to ascertain that the proposed materials and equipment comply with drawing and specification requirements. Catalog cuts submitted for approval shall be legible and clearly identify specific materials and equipment being submitted.

D. Submittals for individual systems and equipment assemblies which consist of more than one item or component shall be made for the system or assembly as a whole. Partial submittals will not be considered for approval.

1. Mark the submittals, "SUBMITTED UNDER SECTION__________________".

2. Submittals shall be marked to show specification reference including the section and paragraph numbers.

3. Submit each section separately.

E. The submittals shall include the following:

1. Information that confirms compliance with contract requirements. Include the manufacturer's name, model or catalog numbers, catalog information, technical data sheets, shop drawings, manuals, pictures, nameplate data, and test reports as required.

3. Elementary and interconnection wiring diagrams for communication and signal systems, control systems, and equipment assemblies. All terminal points and wiring shall be identified on wiring diagrams.

4. Parts list which shall include information for replacement parts and ordering instructions, as recommended by the equipment manufacturer.

F. Maintenance and Operation Manuals:

1. Submit as required for systems and equipment specified in the technical sections. Furnish in hardcover binders or an approved equivalent.

2. Inscribe the following identification on the cover: the words "MAINTENANCE AND

OPERATION MANUAL," the name and location of the system, material, equipment, building, name of Contractor, and contract name and number. Include in the manual the names, addresses, and telephone numbers of each subcontractor installing the system or equipment and the local representatives for the material or equipment.

3. Provide a table of contents and assemble the manual to conform to the table of contents, with tab sheets placed before instructions covering the subject. The instructions shall be legible and easily read, with large sheets of drawings folded in.

4. The manuals shall include:

a. Internal and interconnecting wiring and control diagrams with data to explain detailed operation and control of the equipment.

b. A control sequence describing start-up, operation, and shutdown.

WATER FEATURE ELECTRICAL 26 05 11 - 5

c. Description of the function of each principal item of equipment.

d. Installation instructions.

e. Safety precautions for operation and maintenance.

f. Diagrams and illustrations.

g. Periodic maintenance and testing procedures and frequencies, including replacement parts numbers.

h. Performance data.

i. Pictorial "exploded" parts list with part numbers. Emphasis shall be placed on the use of special tools and instruments. The list shall indicate sources of supply, recommended spare and replacement parts, and name of servicing organization.

j. List of factory approved or qualified permanent servicing organizations for equipment repair and periodic testing and maintenance, including addresses and factory certification qualifications.

G. Approvals will be based on complete submission of shop drawings, manuals, test reports, certifications, and samples as applicable.

H. After approval and prior to installation, furnish the Resident Engineer with one sample of each of the following:

1. A minimum 300 mm (12 inches) length of each type and size of wire and cable along with the tag from the coils or reels from which the sample was taken. The length of the sample shall be sufficient to show all markings provided by the manufacturer.

2. Each type of conduit coupling, bushing, and termination fitting.

3. Conduit hangers, clamps, and supports.

4. Duct sealing compound.

5. Each type of receptacle, toggle switch, lighting control sensor, outlet box, manual motor starter, device wall plate, engraved nameplate, wire and cable splicing and terminating material, and branch circuit single pole molded case circuit breaker.

1.13 SINGULAR NUMBER

A. Where any device or part of equipment is referred to in these specifications in the singular number (e.g., "the switch"), this reference shall be deemed to apply to as many such devices as are required to complete the installation as shown on the drawings.

1.14 ACCEPTANCE CHECKS AND TESTS

A. The Contractor shall furnish the instruments, materials, and labor for tests.

B. Where systems are comprised of components specified in more than one section of Division 26, the Contractor shall coordinate the installation, testing, and adjustment of all…