A-11_Attachment_1-Specifications.pdf

Silver Jack CG Water System Pressure Tank Installation

Silver Jack CG Water System Pressure Tank Installation

2017-04-26

CONTENTS

DIVISION 01 – GENERAL REQUIREMENTS

SECTION 01 1000 – SUMMARY OF WORK

DIVISION 02 – EXISTING CONDITIONS

SECTION 02 4119 – SELECTIVE STRUCTURE DEMOLITION

DIVISION 22 – PLUMBING

SECTION 22 0500 – BASIC PLUMBING MATERIALS AND METHODS

SECTION 22 1100 - TREATMENT BUILDING PLUMBING

SECTION 22 1119 - PRESSURE REDUCING VALVE

SECTION 22 1123 – CENTRIFUGAL PUMP AND PRESSURE TANK EQUIPMENT

SECTION 22 1124 - INDOOR POTABLE WATER RETENTION TANKS

SECTION 22 1199 – DISINFECTION OF WATER WORKS

DIVISION 26 – EARTHWORK

SECTION 26 0100 - GENERAL ELECTRICAL PROVISIONS

SECTION 26 0500 – BASIC ELECTRICAL MATERIALS AND METHODS

DIVISION 31 – EARTHWORK

SECTION 31 2317 – TRENCHING, BEDDING AND BACKFILL FOR UTILITIES

DIVISION 33 – UTILITIES

SECTION 33 1112 - WATER DISTRIBUTION

SILVER JACK CG STORAGE TANK RELINING

Silver Jack CG Water System Pressure Tank Installation

Division 01 General Requirements

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 1

SUMMARY OF WORK

SECTION 01 1000 - SUMMARY OF WORK

PART 1 - GENERAL

1.1. Summary

A. This project consists of modifications to a small campground public drinking water system. The work includes: furnishing and installing a centrifugal water pump and hydropneumatic pressure tank system; plumbing three government-furnished 80 gallon fiberglass retention tanks and a government-furnished chemical injection pump into the existing water treatment building; installing miscellaneous water appurtenances; and installing approximately 15 feet of new 2" buried PVC pipe in the existing campground distribution system.

B. Optional items include excavating and disposing of an 11’ diameter by 8’ high buried steel water storage tank and miscellaneous concrete valve pits and piping; and installing a pressure reducing valve in the existing campground distribution system.

C. Optional items may be awarded at the time of the base contract subject to funds availability and other terms and conditions of this contract, or up to 2 months after award of the base items.

1.2. Location

A. This project is located at Silver Jack Campground in the Ouray Ranger District of the

Uncompahgre National Forest. The project is approximately 17 miles south of Cimarron, CO along the Owl Creek-Cimarron Road.

1.3. General Site Conditions and Weather

A. The elevation of the site is approximately 9,100 feet above mean sea level. The site experiences heavy snowfall and extremely cold temperatures, with snow on the ground typically from November through May.

B. Work shall not occur until the Forest Service approves travel over Forest Service roads in the spring time, and shall not occur after the Forest Service closes roads in the late autumn.

1.4. Use of Premises

A. Contractor shall have limited use of premises.

B. The premises may or may not be open to campers during the period of performance.

But, whether the campground is open to campers or not, the water system will be shut off and the storage tank will be empty during the period of performance.

C. Contractor's use of premises is further limited by Government's right to perform work or to retain other contractors on portions of Project.

1.5. Contractor’s Responsibilities

A. Confine storage of materials to areas as approved by the CO.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 2

B. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas.

C. Preservation of Natural Features: Confines all operations to work limits of the project.

Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

1. Provide temporary barriers to protect existing trees and plants and root zones.

2. Do not remove, injure, or destroy trees or other plants without prior approval.

Consult with CO and remove agreed-on roots and branches that interfere with construction.

3. Do not fasten ropes, cables, or guys to existing trees.

4. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

D. Existing Utilities: Notify CO and utility companies of proposed locations and times for excavation.

1. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the

Government.

2. Interruption of Existing Utility Service: Notify CO, 48 hours in advance of any interruption of existing utilities.

1.6. Cleaning of Equipment to Prevent Spread of Weeds and Disease

A. Construction equipment must be washed to remove seeds, plants, plant fragments and soil which may contain such material before it is brought onto National Forest lands.

B. Notify the CO at least 5 days before moving any construction equipment onto National

Forest System lands.

C. Construction equipment does not include cars, pickup trucks, and other vehicles that regularly travel between the construction site and areas outside of National Forest

System lands.

D. Wash the sides, tops, and undercarriages of all construction equipment. Remove all seeds, plants, plant fragments, dirt, and debris from the construction equipment before bringing onto National Forest lands.

1.7. Camping

A. With approval by the Ouray Ranger District, National Forest Service lands may be used by the Contractor to have one fully contained recreation vehicle which may remain at this site during the period of performance.

1.8. Field verification

A. Field verify all new and existing dimensions affecting the work of this contract before ordering products.

1.9. Permits.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 3

A. The Government will apply for approval from the Colorado Department of Public Health and Environment (CDPHE) to make modifications to the existing public drinking water system.

B. Special permits for electrical work or any other permits—including confined space permits as applicable—required by County, State, or Federal laws or regulations shall be obtained by the Contractor.

1.10. Disposal Site

A. The contractor shall dispose of materials left from the construction and any demolition operations off National Forest lands at an approved sanitary landfill.

PART 2 - DEFINITIONS OF ITEMS AND PAYMENT

2.1. DESCRIPTION

A. This section explains what is and what is not included in each pay item; the limits or cutoff points where one item ends and another begins; and basis of payment for work items listed in the Schedule of Items.

B. Payment: For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, and as shown on the drawings

2.2. SCHEDULE OF ITEMS

A. Schedule of Items: The project Schedule of Items organizes the proposed work into two

Base Items and two Optional Items.

1. Provide pricing for all items listed in the Schedule of Items.

2. Contract award will be made for all the Base Items.

3. Optional Items may be awarded based on available project funding. Note:

Optional Items may be awarded up to 2 months after award of base items.

Contractor must guarantee pricing for 2 months after award of base items.

B. Base Items (BI):

1. Base Item No. 1 - Water Pump, Pressure Tank, & Miscellaneous Treatment

Building Plumbing

a. Payment: Lump Sum.

b. Description: Includes all work associated with furnishing, installing and disinfecting the new pump, pressure tank, and miscellaneous appurtenances as well as plumbing the government furnished retention tanks and chlorine injection pump. Also includes the electrical materials and labor to connect all components into a functioning system.

2. Base Item No. 2 - Buried Water Line to Bypass Storage Tank

a. Payment: Lump Sum.

b. Description: Includes all work associated with furnishing, installing, and disinfecting approximately 15 feet of new 2" buried PVC water pipe tied into the existing distribution system and furnishing and installing an air relief valve. Includes excavation, backfill and pressure testing.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 4

C. Optional Items (OI):

1. Optional Item No. 3 - Installation of Pressure Reducing Valve

a. Payment: Lump Sum.

b. Description: Includes all work associated with furnishing, installing, and disinfecting the pressure reducing valve and valve pit.

2. Optional Item No. 4 - Disposal of Abandoned Tank and Associated Above-

Ground Valve Pits

a. Payment: Lump Sum.

b. Description: Includes all work associated with removing and disposing off site the existing buried steel water storage tank and associated valve boxes.

PART 3 - EXECUTION

3.1. EXAMINATION

A. Existing Conditions: Before beginning work, investigate and verify the existence and location of mechanical and electrical systems and other construction affecting the Work.

B. Acceptance of Conditions: Examine areas, and conditions, with Installer. Record observations.

1. Examine roughing-in for electrical systems to verify actual locations of connections before equipment and fixture installation.

2. Proceed with installation only after unsatisfactory conditions have been corrected. Proceeding with the Work indicates acceptance of surfaces and conditions.

3.2. PREPARATION

A. Field Measurements: Take field measurements as required to fit the Work properly.

B. Review of Contract Documents and Field Conditions: Immediately on discovery of the need for clarification of the Contract Documents, submit a request for information to

CO. Include a detailed description of problem encountered, together with recommendations for changing the Contract Documents.

3.3. INSTALLATION

A. General: Locate the Work and components of the Work accurately, in correct alignment and elevation, as indicated.

1. Make vertical work plumb and make horizontal work level.

B. Comply with manufacturer's written instructions and recommendations for installing products.

C. Hazardous Materials: Use products, cleaners, and installation materials that are not considered hazardous, or inform the CO and take proper precautions if using hazardous materials.

3.4. PROGRESS CLEANING

A. General: Clean Project site and work areas daily, including common areas. Dispose of materials lawfully.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 5

1. Comply with requirements in NFPA 241 for removal of combustible waste materials and debris.

2. Containerize hazardous and unsanitary waste materials separately from other waste. Mark containers appropriately and dispose of legally, according to regulations.

B. Site: Maintain Project site free of waste materials and debris.

C. Work Areas: Clean areas where work is in progress to the level of cleanliness necessary for proper execution of the Work.

D. Waste Disposal: Burying or burning waste materials on-site will not be permitted.

Washing waste materials down sewers or into waterways will not be permitted.

3.5. PROTECTION OF INSTALLED CONSTRUCTION

A. Provide final protection and maintain conditions that ensure installed Work is without damage or deterioration at time of Substantial Completion.

3.6. CORRECTION OF THE WORK

A. Repair or remove and replace defective construction. Restore damaged substrates and finishes.

1. Repairing includes replacing defective parts, refinishing damaged surfaces, touching up with matching materials, and properly adjusting operating equipment.

3.7. PROJECT RECORD DOCUMENTS

A. General: Do not use Project Record Documents for construction purposes. Protect

Project Record Documents from deterioration and loss. Provide access to Project Record

Documents for CO's reference during normal working hours.

B. Record Drawings: Maintain and submit one set of blue- or black-line white prints of

Contract Drawings and Shop Drawings.

1. Mark Record Prints to show the actual installation where installation varies from that shown originally. Require individual or entity who obtained record data, whether individual or entity is Installer, subcontractor, or similar entity, to prepare the marked-up Record Prints.

1. Give particular attention to information on concealed elements that cannot be readily identified and recorded later.

2. Record data as soon as possible after obtaining it. Record and check the markup before enclosing concealed installations.

2. Mark record sets with erasable, red-colored pencil. Use other colors to distinguish between changes for different categories of the Work at the same location.

3. Note Construction Change Directive numbers, Change Order numbers, alternate numbers, and similar identification where applicable.

4. Identify and date each Record Drawing; include the designation "PROJECT

RECORD DRAWING" in a prominent location. Organize into manageable sets.

Include identification on cover sheets.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 01 1000 - 6

END OF SECTION 01 1000

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION

Division 02 Existing Conditions

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 02 4119 - 1

SELECTIVE STRUCTURE DEMOLITION

SECTION 02 4119 – SELECTIVE STRUCTURE DEMOLITION

PART 1 – GENERAL

1.1. SUMMARY

A. This Section includes the following:

1. Removing selected below-grade construction.

2. Disconnecting, capping or sealing, and abandoning in-place selected site utilities.

3. Salvaging items for reuse by Government.

1.2. DEFINITIONS

A. Demolish: Completely remove and legally dispose of off-site.

B. Recycle: Recovery of demolition waste for subsequent processing in preparation for reuse.

C. Salvage: Carefully detach from existing construction, in a manner to prevent damage, and deliver to Government. Include fasteners or brackets needed for reattachment elsewhere.

1.3. MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION

3.1. EXAMINATION

A. Verify that utilities have been disconnected and capped before starting demolition operations.

B. Review Project Record Documents of existing construction provided by Government.

Government does not guarantee that existing conditions are same as those indicated in

Project Record Documents.

C. Inventory and record the condition of items to be removed and salvaged.

3.2. PREPARATION

A. Existing Utilities: Locate, identify, disconnect, and seal or cap off indicated utilities serving buildings and structures to be demolished.

1. Government will arrange to shut off indicated utilities when requested by

Contractor.

3.3. DEMOLITION BY MECHANICAL MEANS

A. Below-Grade Construction

1. Remove below-grade construction, including basements, foundation walls, and footings, to at least 12 inches (300 mm) below grade.

B. Existing Utilities: Abandon unnecessary existing utilities and below-grade utility structures. Remove pipes to 1' minimum below grade.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 02 4119 - 2

SELECTIVE STRUCTURE DEMOLITION

3.4. SITE RESTORATION

A. Below-Grade Areas: Completely fill below-grade areas and voids resulting from structure demolition operations.

1. Backfill for removed items may excess material from other excavation or borrow from an approved source.

2. Backfill shall be brought up in 12-inch compacted layers.

3. Compaction shall be by mechanical tampers, with at least three passes over the entire surface.

4. Maximum size of rock in backfill shall be 8 inches.

5. Backfill shall be compacted and rounded 6 inches above the natural ground.

B. Clean area of debris caused by demolition operations.

END OF SECTION 02 4119

Division 22 Plumbing

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 0500 - 1

BASIC PLUMBING MATERIALS AND METHODS

Section 22 0500 – BASIC PLUMBING MATERIALS AND METHODS

PART 1 – GENERAL

1.1. SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems.

2. Dielectric fittings.

3. Mechanical sleeve seals.

4. Sleeves.

5. Escutcheons.

6. Grout.

7. Plumbing demolition.

8. Equipment installation requirements common to equipment sections.

9. Concrete bases.

10. Supports and anchorages.

1.2. DEFINITIONS

A. Finished Spaces: Spaces other than plumbing and electrical equipment rooms, furred spaces, pipe chases, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and plumbing equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

D. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and in chases.

E. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures. Examples include installations within unheated shelters.

1.3. QUALITY ASSURANCE

A. Steel Support Welding: Qualify processes and operators according to AWS D1.1, "Structural Welding Code--Steel."

B. Steel Pipe Welding: Qualify processes and operators according to ASME Boiler and

Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications."

1. Comply with provisions in ASME B31 Series, "Code for Pressure Piping."

2. Certify that each welder has passed AWS qualification tests for welding processes involved and that certification is current.

C. Electrical Characteristics for Plumbing Equipment: Equipment of higher electrical characteristics may be furnished provided such proposed equipment is approved in writing and connecting electrical services, circuit breakers, and conduit sizes are

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 0500 - 2

appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements.

1.4. DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and prevent entrance of dirt, debris, and moisture.

B. Protect stored pipes and tubes from moisture and dirt. Elevate above grade. Do not exceed structural capacity of floor, if stored inside.

C. Protect flanges, fittings, and piping specialties from moisture and dirt.

D. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

PART 2 – PRODUCTS

2.1. GENERAL

A. All products that will be in contact with the drinking water must be NSF / ANSI 61 certified as applicable.

2.2. PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 22 piping Sections for pipe, tube, and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

2.3. JOINING MATERIALS

A. Refer to individual Division 22 piping Sections for special joining materials not listed below.

B. Pipe-Flange Gasket Materials: ASME B16.21, nonmetallic, flat, asbestos-free, 1/8-inch

(3.2-mm) maximum thickness unless thickness or specific material is indicated.

C. Plastic, Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by piping system manufacturer, unless otherwise indicated.

D. Solder Filler Metals: ASTM B 32, lead-free alloys. Include water-flushable flux according to ASTM B 813.

E. Brazing Filler Metals: AWS A5.8, BCuP Series or BAg1, unless otherwise indicated.

F. Welding Filler Metals: Comply with AWS D10.12.

G. Solvent Cements for Joining Plastic Piping:

1. ABS Piping: ASTM D 2235.

2. CPVC Piping: ASTM F 493.

3. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.

4. PVC to ABS Piping Transition: ASTM D 3138.

2.4. DIELECTRIC FITTINGS

A. Description: Combination fitting of copper alloy and ferrous materials with threaded, solder-joint, plain, or weld-neck end connections that match piping system materials.

B. Insulating Material: Suitable for system fluid, pressure, and temperature.

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C. Dielectric Unions: Factory-fabricated, union assembly, for 250-psig (1725-kPa) minimum working pressure at 180 deg F (82 deg C).

D. Dielectric Flanges: Factory-fabricated, companion-flange assembly, for 150- or 300-psig

(1035- or 2070-kPa) minimum working pressure as required to suit system pressures.

E. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig (2070-kPa) minimum working pressure at 225 deg F (107 deg C).

F. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; plain, threaded, or grooved ends; and 300-psig (2070-kPa) minimum working pressure at 225 deg F (107 deg C).

2.5. GROUT

A. Description: ASTM C 1107, Grade B, nonshrink and nonmetallic, dry hydraulic-cement grout.

1. Characteristics: Post-hardening, volume-adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 5000-psi (34.5-MPa), 28-day compressive strength.

3. Packaging: Premixed and factory packaged.

PART 3 – EXECUTION

3.1. PLUMBING DEMOLITION

A. Disconnect, demolish, and remove plumbing systems, equipment, and components indicated to be removed.

1. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

2. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material.

3. Equipment to Be Removed: Disconnect and cap services and remove equipment.

4. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

5. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Government.

B. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

3.2. PIPING SYSTEMS - COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 22 Sections specifying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 0500 - 4

calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

D. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

E. Install piping to permit valve servicing.

F. Install piping at indicated slopes.

G. Install piping free of sags and bends.

H. Install fittings for changes in direction and branch connections.

I. Install piping to allow application of insulation.

J. Select system components with pressure rating equal to or greater than system operating pressure.

K. Verify final equipment locations for roughing-in.

L. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

3.3. PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 22 Sections specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Soldered Joints: Apply ASTM B 813, water-flushable flux, unless otherwise indicated, to tube end. Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B 32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and

Tube" Chapter, using copper-phosphorus brazing filler metal complying with AWS A5.8.

F. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1.

Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

G. Welded Joints: Construct joints according to AWS D10.12, using qualified processes and welding operators according to Part 1 "Quality Assurance" Article.

H. Flanged Joints: Select appropriate gasket material, size, type, and thickness for service application. Install gasket concentrically positioned. Use suitable lubricants on bolt threads.

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I. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F 402, for safe-handling practice of cleaners, primers, and solvent cements.

2. ABS Piping: Join according to ASTM D 2235 and ASTM D 2661 Appendixes.

3. CPVC Piping: Join according to ASTM D 2846/D 2846M Appendix.

4. PVC Pressure Piping: Join schedule number ASTM D 1785, PVC pipe and PVC socket fittings according to ASTM D 2672. Join other-than-schedule-number

PVC pipe and socket fittings according to ASTM D 2855.

5. PVC Nonpressure Piping: Join according to ASTM D 2855.

6. PVC to ABS Nonpressure Transition Fittings: Join according to ASTM D 3138

Appendix.

J. Plastic Pressure Piping Gasketed Joints: Join according to ASTM D 3139.

K. Plastic Nonpressure Piping Gasketed Joints: Join according to ASTM D 3212.

L. Fiberglass Bonded Joints: Prepare pipe ends and fittings, apply adhesive, and join according to pipe manufacturer's written instructions.

3.4. PIPING CONNECTIONS

A. Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping NPS 2 (DN 50) and smaller, adjacent to each valve and at final connection to each piece of equipment.

2. Install flanges, in piping NPS 2-1/2 (DN 65) and larger, adjacent to flanged valves and at final connection to each piece of equipment.

3. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar metals.

4. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals.

3.5. EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

C. Install plumbing equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease fittings to accessible locations.

D. Install equipment to allow right of way for piping installed at required slope.

3.6. CONCRETE BASES

A. Concrete Bases: Anchor equipment to concrete base according to equipment manufacturer's written instructions and according to seismic codes at Project.

1. Construct concrete bases of dimensions indicated, but not less than 4 inches

(100 mm) larger in both directions than supported unit.

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2. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel rods on 18-inch (450-mm) centers around the full perimeter of the base.

3. Install epoxy-coated anchor bolts for supported equipment that extend through concrete base, and anchor into structural concrete floor.

4. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

5. Install anchor bolts to elevations required for proper attachment to supported equipment.

6. Install anchor bolts according to anchor-bolt manufacturer's written instructions.

3.7. ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor plumbing materials and equipment.

B. Field Welding: Comply with AWS D1.1.

3.8. ERECTION OF WOOD SUPPORTS AND ANCHORAGES

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorages to support, and anchor plumbing materials and equipment.

B. Select fastener sizes that will not penetrate members if opposite side will be exposed to view or will receive finish materials. Tighten connections between members. Install fasteners without splitting wood members.

C. Attach to substrates as required to support applied loads.

3.9. GROUTING

A. Mix and install grout for plumbing equipment base bearing surfaces, pump and other equipment base plates, and anchors.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placement of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases and provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout.

END OF SECTION 22 0500

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1100 - 1

TREATMENT BUILDING PLUMBING

SECTION 22 1100 - TREATMENT BUILDING PLUMBING

PART 1 - GENERAL

1.1. SUMMARY

A. This Section includes furnishing and installing all treatment building plumbing and appurtenances within the building.

1.2. QUALITY STANDARDS

A. Work shall comply with the International Plumbing Code, Latest Edition.

B. Plumbing work shall be performed by a licensed plumber.

1.3. SUBMITTALS

A. Submit manufacturer's data for the following:

1. Pipe

2. Fittings

3. Pipe Supports

4. Valves

5. Hose Bibs

6. Pressure Gauges

PART 2 - PRODUCTS

2.1. GALVANIZED-STEEL PIPE AND FITTINGS

A. Galvanized-Steel Pipe: ASTM A 53/A 53M, Type E, Grade B, Standard Weight. Include ends matching joining method.

1. Galvanized-Steel Pipe Nipples: ASTM A 733, made of ASTM A 53/A 53M or

ASTM A 106/A 106M, Standard Weight, seamless steel pipe with threaded ends.

2. Galvanized, Gray-Iron Threaded Fittings: ASME B16.4, Class 125, standard pattern.

3. Malleable-Iron Unions: ASME B16.39, Class 150, hexagonal-stock body with ball-and-socket, metal-to-metal, bronze seating surface, and female threaded ends.

4. Flanges: ASME B16.1, Class 125, cast iron.

2.2. SUPPORTS, HANGERS AND SHIELDS

A. Provide factory-fabricated horizontal-piping hanger and supports selected by installer to suit horizontal-piping system.

B. Use only one type by one manufacturer for each piping service.

C. Select size of hanger and support to exactly fit pipe size for bare piping, and to exactly fit around piping insulation with saddle or shield for insulated piping.

D. Pipe support channels, bases and clamps shall be manufactured by Unistrut, or approved equal.

2.3. VALVES

A. General:

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1. Provide factory-fabricated valve recommended by manufacturer for use in service indicated.

a. Provide valves of types and pressure ratings indicated; provide proper selection as determined by installer to comply with installation requirements.

b. Provide end connections that properly mate with pipe, tube, and equipment connections.

2. Sizes:

a. Unless otherwise indicated, provide valves of same size as upstream pipe size.

B. Ball Valve

1. Lead free.

2. Ball valve model no. 316SS as manufactured by Flomatic, Glen Falls, NY, (518)

761-9797, or approved equal.

C. Check Valve

1. Check valve with an unleaded alloy body, unleaded bronze poppet, Buna-N seal and stainless steel spring. Pressure rated at 400 psi.

2. Check valve model no. 100MSS as manufactured by Flomatic, Glens Falls, NY,

(518) 761-9797, or approved equal.

2.4. HOSE BIBS

A. Threads: ½" MPT outside threads

2.5. PRESSURE GAUGE

A. Dial Size: 3 ½"

B. Pressure Rating: 150 psi in the treatment building; 100 psi in the pressure reducing valve pit (Option Item)

PART 3 - EXECUTION

3.1. INSPECTION

A. Verify actual locations of piping connections prior to installing fixtures.

B. Also examine floors and substrates, and conditions under which fixture work is to be accomplished. Correct any incorrect locations of piping, and other unsatisfactory conditions for installation of plumbing fixtures.

C. Do not proceed with work until unsatisfactory conditions have been corrected in manner acceptable to Contracting Officer.

3.2. INSTALLATION OF ABOVE GROUND WATER PIPING

A. As specified in Section 22 0500 Basic Plumbing Materials and Methods.

3.3. VALVES

A. General:

1. Install valves where required for proper operation of piping and equipment, including valves in branch lines where necessary to isolate sections of piping.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1100 - 3

2. Locate valves so as to be accessible and so that separate support can be provided when necessary.

3. Install valves with stems pointed up, in vertical position where possible, but in no case with stems pointed downward from horizontal plane unless unavoidable.

B. Shutoff Valves:

1. Install in inlet of each plumbing equipment item, and as shown on the drawings.

C. Drain Valves:

1. Install in each plumbing equipment item located to completely drain equipment for service or repair.

2. Install at base of each rise or drop in piping system, and elsewhere where indicated or required to completely drain potable water system.

3.4. INSTALLATION OF CHECK VALVE

A. Install check valve as recommended by manufacturer.

B. Check valve should be located such that building plumbing is allowed to drain.

3.5. SUPPORTS, HANGERS AND SHIELDS

A. Install hanger, supports and shields to support piping properly from building structure;

comply with MSS SP-89.

B. Prevent electrolysis in support of copper tubing by use of hangers and supports that are copper plated, or by other recognized industry methods.

C. Install hangers and support to allow controlled movement of piping system.

3.6. FIELD QUALITY CONTROL

A. Upon completion of installation of plumbing fixtures and after units are water pressurized, test fixtures to demonstrate capability and compliance with requirements.

B. When possible, correct malfunctioning units at site, then retest to demonstrate compliance; otherwise, remove and replace with new units and proceed with retesting.

C. Remove cracked or dented units and replace with new units.

3.7. FIELD TESTS, INSPECTION, AND DISINFECTION

A. General:

1. The Contractor shall perform all field tests and provide all labor, equipment and incidentals required for the tests.

2. The Contracting Officer will witness all field tests and conduct all field inspections.

3. The Contractor shall give the Contracting Officer ample notice of the dates and times scheduled for tests.

B. Disinfect in accordance with Section 22 1199.

C. Any deficiencies found shall be rectified and work affected by such deficiencies shall be completely retested at no additional cost to the Government.

END OF SECTION 22 1100

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1119 - 1

PRESSURE REDUCING VALVE

SECTION 22 1119 - PRESSURE REDUCING VALVE

PART 1 - GENERAL

1.1. SUMMARY

A. Includes furnishing, installing and adjusting a pressure reducing valve and valve pit in an existing buried water distribution piping system.

1.2. SUBMITTALS

A. Submit manufacturer's product data and operation and maintenance sheets.

1.3. QUALITY ASSURANCE

A. NSF Compliance:

1. Comply with NSF 61.

1.4. OTHER

A. See Section 22 1124 for pressure relief valve and vacuum breakers for indoor potable water retention tanks.

PART 2 - PRODUCTS

2.1. WATER PRESSURE-REDUCING VALVES

A. Water Regulators: Provide CLA-VAL Model 990 or approved equal with following characteristics:

1. Standard: ASSE 1003

2. Pressure Rating: 150 psig (1035 kPa)

3. Size: 1 ½"

4. Design Flow Rate: 0 gpm to 30 gpm

5. Design Inlet Pressure: 50 psi to 80 psi

6. Design Outlet Pressure Setting: 30 psi

7. Max High Flow Pressure Fall-Off Rating: 10 psi at 15 gpm

8. Strainer: integral, built-in strainer

9. End Connections: Double union to allow for annual removal

PART 3 - EXECUTION

3.1. INSTALLATION

A. Refer to Section 22 0500 "BASIC PLUMBING MATERIALS AND METHODS" for piping joining materials, joint construction, and basic installation requirements.

B. Install water regulators with inlet and outlet shutoff valves. Install pressure gages on inlet and outlet.

3.2. ADJUSTING

A. Set field-adjustable pressure set points of water pressure-reducing valves.

END OF SECTION 22 1119

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1123 - 1

CENTRIFUGAL PUMP AND PRESSURE TANK EQUIPMENT

Section 22 1123 - CENTRIFUGAL PUMP AND PRESSURE TANK EQUIPMENT

PART 1 – GENERAL

1.1. SUMMARY

A. Includes furnishing, installing and adjusting a centrifugal booster pump, hydropneumatic pressure tank and accessories.

1.2. SUBMITTALS

A. Submit product data which shows compliance with the specifications for the following:

1. Centrifugal Pump

2. Pressure Tank

3. Pressure Switch

PART 2 – PRODUCTS

2.1. CENTRIFUGAL PUMP

A. Centrifugal pump designed for potable water usage. Pump shall be capable of pumping

16 gallons per minute (gpm) at a dynamic head of 170 feet.

B. Pump shall be designed to operate on 230 volt, single phase power. Pump bodies shall be fabricated from stainless steel and provide a case drain. Impellers should be an enclosed design for efficiency and positively locked on the pump shaft.

C. Pump shall be plumbed with pipe unions on both the inlet and outlet.

D. Design Basis: Provide Goulds e-HM pump model 3HM06N11M6F or approved equal.

E. Pump Controls

1. Pump shall be operated by a pressure switch in coordination with the pressure tank. The pump shall turn on when the pressure in the pressure tank drops below 51 psi and shall remain on until the pressure tank is full at 71 psi.

2. Safety Shut Off: Existing level switches in the 2,000 gallon supply storage tank shall serve as an emergency shut off for the pump if water level in the supply tank fall below 1,000 gallons. The pump should turn back on when supply tank fills above 1,000 gallons.

3. Pump shall also be able to be manually switched to “on,” “off” and “auto” modes.

2.2. HYDROPNEUMATIC PRESSURE TANK

A. Pressure tank to have a minimum capacity of 100 gallons.

B. Pressure tank to be designed for a maximum pressure of 150 psi, with normal operating pressures between 50 psi and 70 psi.

C. Pressure tank shall be equipped with a drain valve at its lowest point for winterization.

D. Pressure tank must meet NSF 61 requirements.

E. Provide Amtrol WX-350 or approved equal.

2.3. PRESSURE SWITCH

A. Provide a pressure switch with adjustable set points.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1123 - 2

CENTRIFUGAL PUMP AND PRESSURE TANK EQUIPMENT

PART 3 – EXECUTION

3.1. INSTALLATION

A. Install equipment according to manufacturers’ recommendations, including electrical grounding recommendations and applicable codes.

B. Pump shall be securely bolted to treatment building’s concrete floor.

3.2. DEMONSTRATION

A. Train the Government's personnel in the routine operation, start-up, and winterization procedures for the pressure tank system.

END OF SECTION 22 1123

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1124 - 1

INDOOR POTABLE WATER RETENTION TANKS

SECTION 22 1124 - INDOOR POTABLE WATER RETENTION TANKS

PART 1 – GENERAL

1.1. SUMMARY

A. Includes installing government-furnished fiberglass potable water retention tanks along with contractor-furnished accessories.

1.2. SUBMITTALS

A. Submit product data which shows compliance with the specifications for the following:

1. Pressure Relief Valve

2. Vacuum Breakers

1.3. QUALITY ASSURANCE

A. NSF Compliance:

1. Comply with NSF 61.

PART 2 – PRODUCTS

2.1. FIBERGLASS POTABLE WATER RETENTION TANKS

A. The fiberglass potable water retention tanks will be used Pentair Wellmate UT-80 tanks provided by the government.

B. Diameter: Approx. 21"

C. Height: Approx. 62 3/4"

D. Height of Inlet Above Floor: Approx. 2"

E. Inlet and Outlet Size: 1 1/4"

F. Weight: Approx. 43 lbs

G. Maximum Pressure: 75 psi

2.2. TANK ACCESSORIES

A. Include pressure relief valve before first retention tank as shown on drawings.

B. Include vacuum breakers on outlet of each retention tank as shown on drawings.

1. Pipe-Applied, Atmospheric-Type Vacuum Breakers

2. Standard: ASSE 1001.

3. Size: NPS 1/4 or greater.

PART 3 – EXECUTION

3.1. INSTALLATION

A. Install equipment according to manufacturers’ recommendations.

B. Install water storage tanks level and plumb.

C. Arrange so devices needing servicing are accessible.

D. Plumb inlet at bottom of tank and outlet at top.

3.2. FIELD QUALITY CONTROL

A. Perform the following final checks before filling:

1. Test operation of tank accessories and devices.

2. Verify that pressure relief valves have correct setting.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1124 - 2

INDOOR POTABLE WATER RETENTION TANKS

END OF SECTION 22 1124

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1199 - 1

DISINFECTION OF WATER WORKS

Section 22 1199 - DISINFECTION OF WATER WORKS

PART 1 – GENERAL

1.1. SUMMARY

A. Disinfection of newly installed piping, appurtenances, tanks and equipment will be done in accordance with AWWA Standard C651 and C652 as applicable.

B. Disinfection by chlorination shall be performed after flushing and pressure testing are completed and approved by the CO.

1.2. SUBMITTALS

A. Description of proposed method for disposing water used in disinfection.

PART 2 – PRODUCTS

2.1. Materials

A. For disinfection, provide a solution of Clorox Regular Bleach (commercially available with 8.25% Sodium hypochlorite) or NSF 60 approved equal.

B. For water, provide water from the Silver Jack CG well.

C. For dechlorinating, provide Sodium Thiosulfate.

PART 3 – EXECUTION

3.1. Preparation

A. Prepare a Sodium hypochlorite solution of sufficient concentration and quantity so that the concentration in the equipment and in the lines after 24 hours will be at least 10 mg/L.

3.2. Chlorination

A. Use a chemical feed pump or other approved method to create uniform chlorine concentration for the water filling the equipment.

B. All taps, hydrants, and other outlets shall be opened and left open until chlorine is noticeable by odor or testing in the water coming from each, at which time they should immediately be closed, and any discharge captured in a bucket or other storage to prevent discharge to the environment of highly chlorinated water.

C. After the equipment has been filled, leave the water standing for at least 24 hours.

D. Test the chlorine concentration in the water at the end of the treatment process after those 24 hours. If the concentration is not at least 10 mg/L, follow dechlorinating procedures as appropriate and repeat the chlorination.

3.3. Dechlorinating Before Discharge

A. Before discharging highly chlorinated water, neutralize the chlorine in the water with about 6 milligrams of Sodium Thiosulfate per 1 mg/L of chlorine concentration per 1 gallon of water volume, or by other means conforming to ANSI/AWWA Standard C655.

B. Do not discharge water to the environment if the chlorine residual is greater than 1.0 mg/L.

C. Do not discharge water directly into surface water under any conditions.

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 22 1199 - 2

DISINFECTION OF WATER WORKS

END OF SECTION 22 1199

Division 26 Electric

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 26 0100 - 1

GENERAL ELECTRICAL PROVISIONS

SECTION 26 0100 - GENERAL ELECTRICAL PROVISIONS

PART 1 - GENERAL

1.1. SUMMARY

A. This Section includes basic requirements of a common or administrative nature that pertain to all electrical work.

1.2. WORK INCLUDED

A. Furnish, install, test, and place in satisfactory and successful operation all equipment, materials, devices, and necessary appurtenances to provide a complete and operable electrical system. The work also includes the completion of those details of electrical work not mentioned or shown which are necessary for the successful operation of all electrical systems.

1.3. QUALITY ASSURANCE

A. Workers Qualifications: All electrical work shall be performed by licensed electricians or under the direct supervision of a licensed electrician.

B. Codes and Regulations:

1. All work shall meet requirements of governing codes and regulations, NFPA 70-

2008 (NEC), and NESC.

2. Comply with the State of Colorado requirements for electrical installations.

3. Advise the Contracting Officer of conflicting codes or conflicts between codes drawings, and specifications.

4. When the requirements of specifications or drawings are more stringent than the codes, regulations, or standards, the specifications or drawings shall prevail.

5. The electrical installation shall meet the requirements of NECA Standard of

Installation, except where otherwise specified.

C. UL Listing:

1. All electrical materials and equipment shall meet requirements of the applicable standards of UL if UL standards exist for such materials and equipment.

2. The UL authorized listing mark is acceptable as evidence that the materials meet this requirement.

3. In lieu of UL authorized listing mark, the Contractor may submit independent proof satisfactory to the Contracting Officer that the materials meet the standards.

4. Materials and equipment shall be installed only for their intended operational purpose.

D. Standard Products: Provide only new electrical equipment of current standard design.

1.4. INTENT OF CONSTRUCTION DRAWINGS

A. Electrical drawings do not attempt to show complete details of construction that affect installation. Diagrams are schematic only and do not necessarily show physical

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 26 0100 - 2

GENERAL ELECTRICAL PROVISIONS

arrangement of equipment. Refer to drawings of other trades for additional details which affect work.

B. Conduit, conductor and ground connections are shown diagrammatically only. Layout does not necessarily show total number of conduits or conductors for circuits required and should not be used for obtaining quantities for linear runs of conduits or wires.

Locations of indicated runs are not intended to show actual routing of conduits. Provide additional conduits and wire wherever needed to complete installation of specific equipment furnished.

C. Locations of devices on drawings are approximate and may be distorted for clarity in representation.

D. Changes such as offsetting conduit runs, moving outlets, or other minor changes necessary to facilitate installation shall be made at no additional expense to the

Government.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.1. INSPECTION

A. Demonstrate that electrical work operates satisfactorily and in accordance with the requirements of the drawings and specifications.

B. Electrical work shall be inspected at contractor's expense by an electrician certified by the state of Colorado.

3.2. TESTING

A. General:

1. Make all specified tests in the presence of the Contracting Officer.

2. Furnish all instruments and provide qualified personnel to perform all tests in accordance with the drawings and specifications.

3. Perform all tests at no additional expense to the Government.

4. Operate all electrical equipment within the ranges specified by manufacturer.

5. Correct defects revealed by the tests.

B. Conductors: Prior to energization of circuitry, test installed wires and cables to ensure that insulation resistance levels are adequate, test wires and cables for electrical continuity and for short-circuits.

C. Wiring devices: Ensure proper polarity of connections. Prior to system energization, test wiring devices in accordance with manufacturer's recommendations.

END OF SECTION 26 0100

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 26 0500 - 1

BASIC ELECTRICAL MATERIALS AND METHODS

SECTION 26 0500 - BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1. SUMMARY

A. This Section includes the following for a complete and operable electric system:

1. Wire and connectors.

2. Raceways.

3. Supporting Devices.

4. Grounding System.

5. Transient Voltage Surge Suppressor (TVSS)

6. Receptacles.

7. Switches.

8. Outlet, Pull, and Junction Boxes.

9. Device Plates and Covers.

10. Panelboards and circuit breakers.

1.2. SUBMITTALS

A. Submit manufacturer’s literature for items listed below:

1. Wire and cable.

2. Raceways.

3. Ground Rods.

4. Receptacles.

5. Switches.

6. Outlet, Pull, and Junction Boxes.

7. Panelboards and circuit breakers.

PART 2 - PRODUCTS

2.1. WIRES, CABLES, AND CONNECTIONS

A. Conductors: Stranded, aluminum or copper as indicated on drawings.

B. Feeders and Branch Circuits: Copper or aluminum where indicated, stranded conductor, 600 volt insulation, Type THHN/THWN, XHHW, USE , or UF depending on application.

C. Wire Connectors and Splices: Units of size, ampacity rating, material, type, and class suitable for service indicated.

D. Bonding Conductors:

1. No. 8 AWG and smaller: ASTM B1, solid bare aluminum wire.

2. No. 6 AWG and larger: ASTM B8, Class B stranded bare aluminum wire.

E. Color Coding: Color code secondary conductors for the electrical system. For single phase voltages use black and red for phases, white for neutral, and green for ground.

Neutral and equipment grounding conductors size No. 6 AWG and larger may be marked with colored plastic marking tape at each end and at every point where wire is accessible; color code conductors smaller than No. 6 AWG.

2.2. RACEWAYS

SILVER JACK CG WATER SYSTEM PRESSURE TANK INSTALLATION 26 0500 - 2

A. Metal Conduit:

1. RMC: Rigid metal conduit; galvanized rigid steel; ANSI C80.1.

2. Fittings and Conduit Bodies: ANSI/NEMA FB 1; material to match conduit.

B. EMT: Electrical metallic tubing; ANSI C80.3, zinc-coated steel.

1. Fittings and Conduit Bodies: ANSI/NEMA FB 1; steel…