c.SPECS.pdf

Malheur National Forest Solar Water System Upgrades

February 2010 CSI List - 1 CSI Specifications

CSI Specifications Malheur National Forest

Solar Water System Upgrades

No. of Pages

DIVISION 1 – GENERAL REQUIREMENTS

Section 01450 - Quality Control

DIVISION 2 – SITE CONSTRUCTION

Section 02081 - Galvanized Steel Piping Section 02083 - Water Hydrants Section 02084 - High Density Polyethylene Piping Section 02230 - Site Clearing Section 02316 - Trenching, Backfilling, and Compacting Section 02510 - Water Distribution Section 02522 - Solar Water Well Pump System

DIVISION 3 – CONCRETE

Section 03369 - Precast Concrete Utility Buildings

DIVISION 13 – SPECIAL CONSTRUCTION

Section 13200 - Water Storage Tanks

DIVISION 15 – MECHANICAL

Section 15141 - Building Plumbing

DIVISION 16 – ELECTRICAL

Section 16050 - Basic Electrical Materials and Methods Section 16201 - Wiring Systems

Malheur National Forest Solar Water System CG Upgrades

February 2010 01450 - 1 Quality Control

SECTION 01450

QUALITY CONTROL

PART 1 GENERAL

1.01 SUMMARY

A. Provide certification that the quality and quantity of construction conforms to the drawings, specifications, and requirements of the contract.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.01 CERTIFICATION & MEASUREMENTS

A. Offsite-Produced Materials: Furnish certificates executed by the manufacturer supplier, or vendor, stipulating that all materials produced off site that are incorporated into the work meet the applicable requirements SHOWN ON THE PLANS or stated in the specifications. Make each certificate apply to a single commodity or invoice. Certify all incidental purchases needed to remedy minor shortages of material.

B. Quantity Measurements: Make all measurements for computation of quantities for all work items, except those specified for payment by design quantity or lump sum. Compute the quantities for periodic progress payments; the CO will compute the quantities for the final payment based on measurements taken. All Contractor measurements are subject to verification. Submit all field notes, calculation sheets, and other data used to determine quantities, and certify in writing as to the accuracy of the measurements and computations submitted.

3.02 MATERIAL COMPACTION TESTING

A. The government may order compaction tests from a certified testing laboratory.

The contractor shall pay for compaction tests that fail to meet the minimum requirements outlined in these specifications. The government will pay for compaction tests meeting the requirements outlined in these specifications.

END OF SECTION

February 2010 02081 - 1 Galvanized Steel Piping

SECTION 02081

GALVANIZED STEEL PIPING

1.01 SCOPE

A. Installation of galvanized steel pipe used for potable water distribution and material related to its installation.

PART 2 PRODUCTS

2.01 GALVANIZED STEEL PIPE AND FITTINGS

A. Pipe: ASTM A-120 or AWWA C-202, Schedule 40, threaded and coupled.

B. Fittings: ANSI B-16.12, threaded, galvanized.

2.02 INSECT SCREEN FOR VENTS

A. 24-mesh woven wire cloth, type 304 stainless steel standard grade, non-corrodible.

PART 3 EXECUTION

3.01 INSTALLATION

A. Exposed threaded pipe joints shall be painted with mastic per manufacturer's application procedures.

B. Field-cut ends shall be squared off by grinding or filing; ends shall be reamed with all chips and flakes removed.

C. Field cut threads or machined joints shall be made with sharp tools to sharp finished ends.

February 2010 02083 - 1 Water Hydrants

SECTION 02083

WATER HYDRANT

A. Provides for furnishing and installing exterior wall hydrants at locations as approved by the CO and the construction of a 3’ x 3’ drain rock splash pad.

B. Also provides for the removal and salvage of existing hand pump hydrants (1 per each site).

1.02 SUBMITTALS

A. Product Data and Warranties

B. Salvaged hand pump hydrants and components shall be submitted to CO.

1.03 MEASUREMENT

A. Work performed under this section is considered incidental to Building

Plumbing and no separate payment will be made.

PART 2 PRODUCTS

2.01 Paddle Faucet

A. Self-closing bib faucet with plain end. Plain end means no threads, so a garden hose cannot be attached to the end.

B. Extended "paddle" type handle for accessibility. Operation of handle shall require less than 3.5 lbs.

C. Equipped with integral 2.5 gpm flow control

D. Finish shall be non-chromed brass. Brass shall be lead free and suitable for dispensing potable water.

E. Model No. 6252EHLF, as manufactured by Haws Co., or approved equal.

2.02 DRAIN ROCK

A. Material shall be clean, rounded granular material, graded from 1" - 2" in greatest dimension.

February 2010 02083 - 2 Water Hydrants

2.03 PIPE AND FITTINGS

A. Galvanized steel pipe per Section 02081 - Galvanized Steel Piping, schedule 40, size 1/2”.

B. Necessary transition fitting for the connection to the water system.

2.04 3/4-INCH BALL CURB VALVE

A. Female Iron Pipe inlet by Female Iron Pipe outlet

B. Valve is non-directional and is water tight with full flow in both directions.

C. Brass construction conforming to AWWA standard C800-89.

D. Quarter turn check

E. 300 psi working pressure

F. Ball curb valve shall be Model B-20283, as manufactured by Mueller Co., or approved equal.

2.05 WALL FAUCET

A. Finish shall be rough brass

B. Faucet shall be capable of being operated with both a wheel handle and a tee key. The tee key configuration shall prevent operation of the faucet by the general public. Supply a tee key and wheel handle for each hydrant.

C. Faucet shall be ¾” male inlet and shall be threaded with ¾” male hose thread at outlet.

D. Model 46, Part No. 30452, as manufactured by Woodford Manufacturing

Company, or approved equal.

2.06 HOSE CONNECTION VACUUM BREAKER

A. Finish shall be brass.

B. Permit manual draining of hydrant in freezing conditions, without removing from sill cock. Shall remain in drain position once put in that position.

C. Inlet connection shall be ¾” female hose thread, and outlet connection shall be

¾” male hose thread.

February 2010 02083 - 3 Water Hydrants

D. Shall meet ANSI A112.1.3 (ASSE 1011).

E. Furnish with break-away set screw to provide a tamper-resistant installation.

F. Model No. NF8, as manufactured by Watts Regulator, or approved equal.

2.07 Grout

A. Nonmetallic, Shrinkage-Resistant Grout: ASTM C 1107, factory-packaged, nonmetallic aggregate grout, noncorrosive, nonstaining, mixed with water to consistency suitable for application and a 30-minute working time.

3.01 GENERAL

A. The existing hand pump hydrants shall not be damaged during removal. Once removed, hand pump and components shall be submitted to CO.

B. The wall faucet shall be located at the front of the building. The exact location shall be approved prior to punch-out being performed.

C. A tee with two 90 degree elbows shall be located on exterior of building - one side for wall faucet; the other side for paddle faucet.

D. Hydrant height from finish grade shall be at 28” to meet current ADA requirements.

E. Faucet shall be installed a maximum 4” from face of exterior wall.

F. Wall faucets shall be installed to operate with the wheel handle. Required tee keys shall be delivered to the CO.

G. Any remaining space between galvanized steel pipe penetrations shall be grouted to be watertight. Mix, apply, and cure grout per manufacturer’s recommendations.

H. A 3’x3’x6” drain rock splash pad shall be center and excavated directly below paddle faucet. Top of rock shall be flush with finish grade.

February 2010 02084 - 1 High Density Polyethylene Piping

SECTION 02084

HIGH DENSITY POLYETHYLENE PIPING

A. Provides for furnishing and installing High Density Polyethylene (HDPE) pipe used for potable water distribution and material related to its installation.

2.01 HIGH DENSITY POLYETHYLENE (HDPE) PIPE, TEES, & REDUCERS

A. All waterlines (pipe and fittings) shall be new and unused, of the type, pressure rating or class, and size (nominal diameter) specified and as shown on the drawings.

B. All material must meet applicable National Sanitation Foundation (NSF) standards for public drinking water. Pipe shall bear the NSF seal. The pipe manufacturer shall provide certification that the pipe meets this specification.

C. High Density Polyethylene (HDPE) plastic pipe shall be PE-3408 as defined in

ASTM D-1248, with a minimum cell classification of 345434C in accordance with ASTM D 3350. The pipe shall be SDR11 (160PSI) pipe and comply dimensionally with ASTM D 3035. Pipe shall comply with AWWA C901 standard for Polyethylene Pressure Pipe.

D. Rolled Pipe

1. HDPE pipe equal to or smaller than 2" diameter shall be provided in rolls of

500 ft length.

2. HDPE pipe larger than 2" diameter shall be provided in 40' lengths rather than in rolls.

E. HDPE pipe shall be as manufactured by PW Pipe, ISCO, or approved equal.

F. HDPE tees and reducers shall be as manufactured by same as above, compatible fittings, or approved equal.

2.02 TRANSITION FITTINGS - COMPRESSION (1” DIAMETER AND SMALLER)

A. Fittings shall be specifically made for HDPE pipe per Subsection 2.01 – High

Density Polyethylene (HDPE) Pipe, Tees, & Reducers. Fittings shall be made

February 2010 02084 - 2 High Density Polyethylene Piping of Polypropylene. Fittings shall bear the NSF seal. Fittings shall be pressure rated to 200 psi @ 73F.

B. Fittings shall be compression x female iron pipe thread (FIPT).

C. Fittings shall be HDPE Compression Fittings, Female Adapter Threaded (F), blue (IPS) as distributed by ISCO, PW Pipe or approved equal.

2.03 TRANSITION FITTINGS - BUTT FUSION or ELECTROFUSION WELD

(LARGER THAN 1” DIAMETER)

A. Fittings shall be specifically made for HDPE pipe per Subsection 2.01 – High

Density Polyethylene (HDPE) Pipe, Tees, & Reducers. Fittings shall be connected to HDPE pipe by butt fusion or electrofusion process. The other end of the fitting shall be male threaded (IPS) steel.

B. Fittings shall be as manufactured by Performance Pipe, or approved equal.

3.01 LAYING PIPE

A. HDPE pipe shall be weaved in the trench to provide horizontal slack in the line for expansion and contraction.

B. Pipe shall be allowed to cool to within 20o F of the shaded trench bottom temperature before backfilling.

3.02 PIPE JOINING

A. The joining method for pipe, tees, and reducers shall be butt fusion method and shall be performed in accordance with the pipe manufacturer's recommendations. Butt fusion equipment used in the joining procedures shall be capable of meeting all conditions recommended by the pipe manufacturer, including but not limited to, temperature requirements, alignment, and fusion pressures.

B. Other methods for pipe joining are not approved. Methods not approved include but are not limited to:

1. Ribbed steel inserts with stainless steel clamps.

2. Compression fittings.

3. Electrofusion welding

C. Personnel trained in butt fusion techniques by the manufacturer of the pipe shall supervise or perform butt fusion operations.

February 2010 02084 - 3 High Density Polyethylene Piping

D. Butt fusion shall be performed between pipe ends or pipe ends and fitting outlets, of like outside diameter and wall thickness (SDR or DR). Butt fusion joining between same diameters but unlike wall thickness shall not be permitted.

Transitions between unlike wall thickness shall be made with a transition nipple (a short length of the heavier wall pipe with one end machined to the lighter wall) or by mechanical means.

E. Branch connections to the main (tees & reducers) shall be made with polyethylene fittings, and butt fused or electrofused.

F. On every day butt fusions are to be made, the first fusion of the day shall be a trial fusion. The trial fusion shall be allowed to cool completely, and then fusion test straps shall be cut out. The test strap shall be 300 mm (12") (min) or 30 times the wall thickness in length with the fusion in the center, and 25 mm (1") (min) or 1.5 times the wall thickness in width. Bend the test strap until the ends of the strap touch. If the fusion fails at the joint, a new trial fusion shall be made, cooled completely and tested. Butt fusion of pipe to be installed shall not commence until a trial fusion has passed the bent strap test.

3.02 PIPE TRANSITIONS

A. Transitions for making connections from HDPE pipe to galvanized steel pipe shall be per:

1. Subsection 2.02 – Transition Fittings – Butt Fusion or Electrofusion(1” diameter or smaller)

2. Subsection 2.03 – Transition Fittings - Butt Fusion or Electrofusion (larger than 1” diameter)

February 2010 02230 - 1 Site Clearing

SECTION 02230

SITE CLEARING

A. This Section includes clearing, grubbing, and disposal of trees, brush, stumps, and rubbish within the clearing limits of construction for the installation of the utility building and/or solar panels.

PART 2 PRODUCTS – Not Used

3.01 CLEARING

A. Clearing Limits: Clearing limits shall not exceed 13 feet for utility lines and shall be performed in such a manner so as not to leave straight & uniform vegetation lines. Clearing limits shall be 5 feet from exterior walls of buildings, concrete slabs, and excavation limits.

B. Clear small trees, brush, snags, underbrush, and rubbish within the clearing limits.

C. Individual marked trees, within the clearing limits, shall be left standing and uninjured.

E. All designated timber cut during clearing operations having a minimum diameter of 6 inches inside bark shall be cut into logs of any of the following lengths:

8’6”, 10’6”, 12’6”, 16’6”, 18’6”, 20’6”, 23’, 25’, 27’, 29’, 31’, or 33’. Butt logs should be cut to the longest length possible. Conifer logs will be bucked to a minimum top diameter of 6” inside bark. Aspen logs will be bucked to a minimum top diameter of 4” inside bark. Timber will be neatly stacked at a location designated by the CO on the construction site. Conifer and aspen will be decked separately. Deck depth shall not exceed three layers of logs. They shall be constructed with shorter log lengths on the top layers. Title to all such timber shall remain with the Government.

F. All conifer timber removed during clearing operations having a diameter between

3” and 6”, or not meeting the minimum length specified in 3.01.E, shall be trimmed of limbs and top and neatly decked at a location designated by the CO on the construction site. Title to all such timber shall remain with the Government.

February 2010 02230 - 2 Site Clearing

G. Limbs with a diameter of less than 3 in. and brush shall be considered vegetative debris and treated in accordance with subsection 3.03.

3.02 GRUBBING

A. Utility lines: Inside the clearing limits, cut stumps and projecting roots flush with the natural ground.

B. Structures, Buildings, and Areas to be Graded: Inside the clearing limits, Grub and remove all stumps. Grub and remove all roots to a depth of at least 18 in.

below the natural ground when fill is required for site grading. When excavation is required for site grading, grub and remove all roots to a depth of at least 18 in. below finished grade.

3.03 DISPOSAL

A. Disposal of vegetative debris shall be accomplished by piling the debris within an area of the campground as directed by the CO.

B. Rubbish (non-vegetative) shall be disposed of by removal from project in accordance with Clause 3 – Site Information and Limitation, of Section C:

Description/Specifications/Statement of Work.

February 2010 02316 - 1 Trenching, Backfilling, and Compacting

SECTION 02316

TRENCHING, BACKFILLING, AND COMPACTING

A. Includes excavation of trenches, installation of detection and marking tape, bedding material, select backfill, select excavated materials, and compaction for the installation of utility lines to depths and dimensions AS SHOWN ON

DRAWING DETAILS.

1.02 PROTECTION

A. Maintain the excavations to guard against and prevent injury to employees and the public. Provide adequate shoring and bracing as required by OSHA and other local governing regulations.

B. Protect the excavation from frost action. Compact ground that has frozen and subsequently thawed as specified herein.

C. Prevent water accumulation in excavations. If clay soil becomes saturated, compact after it has dried as specified herein.

D. Minimum depth of soil cover for utility lines (measured from the top of the pipe, conduit, or cable to final construction ground elevation required) is AS SHOWN

ON THE PLANS.

E. Open excavations shall be fenced for the protection of the public and promptly backfilled once approved by CO.

1.03 REFERENCES

A. Standard Moisture Density Test, AASHTO T-99, Method C or D.

1.04 CLASS OF MATERIAL

A. All material to be excavated for installation of utilities is unclassified.

1.05 APPROVALS

A. Notify the CO when excavation is completed. Do not place pipe, bedding or backfill until the excavation is approved by the CO. Do not cover pipe until placement has been approved by the CO.

February 2010 02316 - 2 Trenching, Backfilling, and Compacting

1.06 MEASUREMENT

A. Method of measurement shall be designated in the SCHEDULE OF ITEMS.

B. Measurement for trenching will be made along the centerline of the trench to the foundation of the building, center of wellhead, and edge of solar panel mounts for the actual excavated trench length accepted by the CO. All materials installed in the trench per specifications and AS SHOWN IN DRAWING DETAILS shall be considered incidental to trenching, including, but not limited to, all waterline pipe, valves, fitting and appurtenances, and/or electrical cable/conduit, marking tape, bedding, backfill, and compaction.

1.06 PAYMENT

A. This work will be paid for at the contract unit price as designated in the

SCHEDULE OF ITEMS. Payment will be made under:

Pay Item Pay Unit

02316 (01)a Trenching ....................................................................... LF 02316 (01)b Trenching ....................................................................... LF

2.01 BEDDING AND INITIAL BACKFILL

A. Well-graded, rounded or angular stone or gravel, sand, or other material approved by the CO. Bedding may be processed from onsite-excavated material or imported from offsite. 100% of the material shall pass the 1/2" sieve, and no more than 12% of the material shall pass the No. 200 sieve. Material shall not contain frozen earth, clods, debris, or material with an exceptionally high void content (vegetative matter).

2.02 SELECT BACKFILL

A. Earth material free from large rock greater than 6” in its largest dimension, frozen earth, clods, debris, or material with an exceptionally high void content (vegetative matter).

2.03 SPECIAL BEDDING FOR DIRECT BURIAL CONTROL CABLE

February 2010 02316 - 3 Trenching, Backfilling, and Compacting

A. For direct burial underground cable, selected fine material (soil, sand, etc.) not containing sharp or hard objects and particles capable of penetrating and mechanically damaging the cable and cable sheath.

2.04 UNDERGROUND DETECTION AND MARKING TAPE

A. General: Buried utilities shall require detection OR marking tape (as specified in Part 2.06-B & C) with the following inscription permanently written on a colored background as shown below:

UTILITY COLOR INSCRIPTION

Water Blue Caution Buried Water Line Below Sewer Green Caution Buried Sewer Line Below Electric Red Caution Buried Electric Line Below Telephone Orange Caution Buried Phone Line Below

For the inscription, similar wording with identical meaning will be approved.

The inscription shall be repeated, consecutively, along the entire length of tape.

Color substitution shall not be permitted.

B. Non-metallic Piping Systems and Telephone: Use Detection tape 3" wide, 1-1/2 mil thick aluminum foil with a polyethylene covering on the inscription side, non-luminescent, and colorfast.

C. Metallic Piping Systems and Electric: Use detection tape as outlined above or marking tape 6" wide, 4-mil thick, low-density polyethylene, non-luminescent, and colorfast.

D. The tape shall be as manufactured by C.H. Hanson Company, or approved equal.

3.01 EXCAVATION

A. All excavation shall be by open-cut from ground surface except when boring or tunneling is expressly called for on the drawings.

B. The sides of trenches shall be kept as nearly vertical as practicable. In no instance shall the trench from 6” above the top of the pipe to the bottom of the trench be more than 16” wider than the outside diameter of the pipe. Maximum trench width shall be as SHOWN ON THE PLANS.

February 2010 02316 - 4 Trenching, Backfilling, and Compacting

3.03 BACKFILLING

A. Direct Buried Control Cable: Place 4" of fine material in direct burial cable trenches prior to installation of cable. After installation of cable, place 4" of fine material along sides and over top of cable. Compact each layer to 90 percent of maximum dry density in accordance with ASSHTO T-99, Method C.

B. Trenches shall be dry prior to placing bedding. Trenches shall not be frozen or have snow in them prior to placing bedding. Depressions in the trench bottom shall be excavated with hand tools to accommodate valves, fittings, etc.

C. Bedding shall not be frozen. Bedding shall be installed to the full width of the trench bottom to a minimum depth of 1/4 the pipe (or conduit) outer diameter (O.D.) below the pipe and across the trench 4" minimum depth in any case, and around the pipe to fully support the lower half of the pipe. The bedding material shall be tamped to the density specified in Paragraph D. Care should be taken to completely fill any space below the pipe.

D. As soon as possible after individual pipe is jointed, sufficient bedding material shall be placed along each side of the pipe to offset conditions that might tend to move the pipe off line and grade. This material shall be compacted to 90 percent of maximum dry density in accordance with AASHTO T-99.

E. Backfill shall not be completed until pressure and/or leakage tests have been performed and the CO approves the pipeline. Sufficient backfill shall be placed to prevent pipe movement under pressure tests. This backfill shall be tamped to the density specified in Paragraph D. All joints, valves, etc., shall remain uncovered for inspection purposes during testing.

F. The initial backfill over the pipe and all backfill around the pipe shall be placed by hand and tamped. It shall be placed in one 6" layer and compacted to the density specified in Paragraph D.

G. Subsequent backfill shall be deposited and carefully compacted in layers not to exceed 12" in thickness. Each layer shall be compacted by not less than three passes over the entire surface with a mechanical vibrating tamper

H. Install marking OR detection tape (as specified in Part 2.04-B & C) over the full length of the utility, inscription side up. Tapes shall be installed 10" below finished grade.

I. 6" of topsoil shall be deposited as final backfill in trench areas where this material had been previously stripped and stockpiled. This topsoil layer shall be compacted sufficiently to remain in place but remain loose enough to allow plant growth.

February 2010 02316 - 5 Trenching, Backfilling, and Compacting

J. Excessive settlement or other evidence of improper backfill shall be corrected by reopening the trench to the depth required for proper compaction and then shall be refilled and satisfactorily compacted.

K. At any location where backfill has settled below normal ground surface, the

Contractor shall provide additional earth fill material to bring the trench elevation to that of normal ground surface. This material shall be compacted to the density specified in Paragraph D, except the top 6" of topsoil shall be compacted as specified in Paragraph I.

L. Suitable excavated material remaining on the site upon completion of the trench backfilling shall be used elsewhere in the campground construction. Excess excavation and unsuitable excavation shall be disposed of per Section 02315 – Excavation and Fill.

M. Puddling or water flooding for consolidating the backfill will not be allowed.

The addition of water shall be limited to that needed for increasing the density of the backfill material.

February 2010 02510 - 1 Water Distribution

SECTION 02510

WATER DISTRIBUTION

A. General installation of waterline pipe, and the repair, flushing, testing, and disinfecting waterlines.

1.02 PROTECTION AND STORAGE

A. Handle pipe and fittings to ensure delivery at the job in a sound, undamaged condition.

B. Store pipe on a flat surface so as to support the barrel evenly; bell-type pipe shall have bell ends overhanging.

C. If pipe is stored outside, it must be covered to protect it from the sun's rays and the weather. Cover with canvas or other opaque material. Provide for air circulation under the cover.

D. Fittings shall be stored inside on a dry surface.

1.03 GENERAL REQUIREMENTS

A. Pipe sizes specified within shall be nominal diameter.

C. Pipe and fittings shall be new, clean, and free of defects.

1.04 QUALITY ASSURANCE

A. Comply with NSF 61, “Drinking Water System Components – Health Effects”, for materials for potable water.

2.01 GENERAL

A. All material must meet applicable National Sanitation Foundation (NSF) standards for public drinking water. The manufacturer shall provide certification that all material meets this specification.

February 2010 02510 - 2 Water Distribution

2.02 PIPE AND MISCELLANEOUS MATERIALS

A. Section 02081: Galvanized Steel Piping B. Section 02084: High Density Polyethylene Piping

2.04 PIPE SEALANT AND LUBRICATION

A. Pipe compounds, gasket cement, and pipe end lubricants shall be the type recommended by the pipe manufacturer.

2.05 UNDERGROUND DETECTION AND MARKING TAPE

A. Section 02316: Trenching, Backfilling, and Compacting

2.07 INSECT SCREEN

A. 24-mesh woven wire cloth, type 304 stainless steel standard grade, non-corrodible.

PART 3 EXECUTION

3.01 TRENCHING, BACKFILLING, AND COMPACTING

A. Section 02316: Trenching, Backfilling, and Compacting

3.02 INSTALLATION OF HDPE PIPE

A. Unless otherwise noted, all waterlines shall be constructed of High Density

Polyethylene (HDPE) pipe.

B. Section 02084: High Density Polyethylene Piping

3.03 GENERAL INSTALLATION PROCEDURES

A. The contractor shall stake the proposed waterline locations from the well to the building. The CO shall approve the waterline location prior to the start of excavation.

B. All pipe, fittings, and accessories should be handled and laid in accordance to the manufacturer's recommendations.

D. The interior of all pipe, fittings, and other accessories shall be kept as free as possible from dirt and foreign matter at all times. Each piece of line as it is laid shall be cleaned of all debris. When the pipeline has become dirty on the inside during shipment or storage, it shall be swabbed out by drawing a damp swab through the line before lying. Care shall be exercised to keep all joining

February 2010 02510 - 3 Water Distribution surfaces clean. Any pipe with contaminated or damaged joining surfaces, which cannot be satisfactorily cleaned or repaired, shall be discarded. Under no circumstances shall pipe be laid in water, and no pipe shall be laid when trench conditions or the weather is unsuitable for such work. At all times when work is not in progress, all open ends of the pipe and fittings shall be securely closed to the satisfaction of the CO so that no trench water, rodents, earth, or other substance will enter the pipe or fittings.

E. Any section of pipe already laid and found to be defective shall be taken up and replaced with new pipe at the Contractor's expense.

3.04 CUTTING AND HANDLING OF PIPE

A. Cutting of pipe for closure pieces or for other reasons shall be done in a neat manner by methods, which will not damage the pipe. The pipe and fittings shall be handled in such a manner as to insure delivery and final placement in good, undamaged condition. Particular care shall be exercised not to injure the pipe surfaces or coatings. Damaged pipe shall not be used in the work.

3.05 LAYING OF PIPE IN THE TRENCH

A. No pipe shall be placed in the trench until the CO has approved the trench and bedding.

B. Where more than one pipeline is in the same trench, the minimum distance between outside edges of pipe shall be 6".

C. Each section of the pipe shall rest upon the pipe bed for the full length of its barrel.

D. Backfill the pipe within 24 hours after installing the pipe in the trench, leaving the joints and a minimum of 3' of pipe on each side of joints exposed (until leak testing is complete).

E. When work is not in progress, securely close open ends of pipe and fittings.

3.06 PIPE ALIGNMENT AND GRADE

A. Deflections from a straight line or grade, as required by vertical curves, horizontal curves, or offsets, shall not exceed the manufacturer's recommended maximum joint deflection or curvature for their pipe. If the alignment requires curvature or deflections in excess of these limitations, the Contractor shall provide special bends, standard fittings, or a sufficient number of shorter lengths of pipe to provide angular deflections at the joints within the limit set forth by the manufacturer.

February 2010 02510 - 4 Water Distribution

B. Bends resulting in tension on joints will not be allowed.

3.08 FLUSHING AND PRESSURE TESTING WATERLINES

A. Test all portions of the water system including water mains, fittings, valves, and hydrants

B. All waterlines shall be flushed before disinfection as thoroughly as possible with the water pressure and valved outlets available.

C. Pressure tests shall be run after thoroughly flushing the system and before disinfection as follows:

1. Flush all portions of the water system, including storage tanks, mains, and drains to remove sediment.

2. During the flushing operation, operate all valves, hydrants, etc.

D. Waterlines shall be tested in sections not to exceed:

1. 2,000 feet in length; or,

2. A maximum pressure differential of 30 psi. in the test section.

E. Test Procedure:

1. The test section shall be partially backfilled or otherwise held in place sufficiently to stabilize pipe under a pressure test. Joints shall remain uncovered until testing is completed satisfactorily.

2. Initial pressurization: Slowly fill each valved or plugged test section of pipe with water; apply an initial pressure of 100 psi. for all piping (or other pressure as approved by the CO) measured at the point of lowest elevation by means of a pump connected to the pipe. The pump shall take suction from a small auxiliary tank for measuring the water pumped into the test section.

3. Operate all hydrants, taps, etc., to bleed entrapped air from the test section.

Operate the pump continuously during bleeding operations.

4. After initial pressurization to 100 psi, and eliminating air from the test section, begin the expansion phase of the test.

5. Expansion phase: Allow pipe to expand by adding enough make-up water each hour for three (3) hours to return to the initial pressure of 100 psi.

6. After the three (3) hour expansion phase, begin the pressure test by reducing the pressure by 10% to 90 psi, the target value test pressure. Monitor the target value pressure for one-hour. If at the end of one-hour, the pressure remains steady and does not drop below 86 psi. (remains within 5% of the target value) no leakage is indicated.

7. The total test time including initial pressurization, expansion, and pressure testing shall not exceed eight (8) hours. If the test is not completed due to leakage, equipment failure, etc., depressurize the test section, then allow it

February 2010 02510 - 5 Water Distribution to “relax” for at least eight (8) hours before bringing the test section up to test pressure again.

F. No leakage shall be permitted. The Contractor and CO shall be present for the complete test procedure, including initial pressurization, expansion, and pressure testing.

G. If leaks occur, replace defective pipe, fittings, valves, joints, and hydrants as required. Flush the system, and repeat the pressure test until leak is repaired.

H. No paints, asphalts, tars, enamels, or other types of pipe compounds shall be used to eliminate leaks.

I. Backfill for waterlines at joints shall be completed after the CO approves testing.

J. Testing: Necessary apparatus required for testing, including pump, auxiliary tank, pipe connections, gauges, and meters shall be furnished by the Contractor.

All costs incidental to testing shall be borne by the Contractor and included in the bid price for construction.

3.09 DISINFECTION OF WATERLINES

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

B. Dosage: Disinfecting material shall be placed in the system, at a location approved by the CO. Provide approximately 25 mg/l of total chlorine in the water system or as otherwise approved by the CO.

C. Procedure: The entire system including the storage tank shall be filled with the disinfecting solution. All taps, hydrants, and other outlets shall be opened and left open until a strong odor of chlorine is noticeable in the water coming from each after which the taps, hydrants, and other outlets shall be closed.

D. Test Period: Chlorinated water shall remain in the system a minimum of 24 hours, after which the system shall be examined by the CO for residual chlorine and the system drained. Chlorine residual at the end of the 24-hour period shall be a minimum of 10 mg/1. The chlorine residual shall be measured by the Contractor and verified by the CO. If the minimum residual is not found present, disinfection shall be repeated.

E. When disinfection is complete and approved by the CO, the system shall be flushed with potable water. Prior to draining the system (waterlines and tank), the chlorine in the water system shall be neutralized. Neutralization is required whether the system has passed or failed. Neutralize the system by adding

February 2010 02510 - 6 Water Distribution sodium thiosulfate to the storage tank in accordance with the table below. Let the sodium thiosulfate sit in the storage tank for 24-hours and then release the water from the tank and flush the system. Residual chlorine at the outlets shall be minimal.

Amounts of Chemical Required to

Neutralize Various Residual Chlorine Concentrations in 1,000 gallons of Water

Residual Chlorine Concentration mg/L

Pounds of Sodium Thiosulfate (Na2 S2 O3 –5H2O)

1 0.012 2 0.024 10 0.12 50 0.60

Un-neutralized chlorinated water shall not be allowed to flow into streams or lakes. Since it may not be possible to neutralize all the chlorinated water in the distribution system, chlorinated water shall be diverted from flowing into streams and lakes as follows:

1) Since daylight drains are typically located near streams or lakes, it may be necessary to flush the system through hydrants located upstream from daylight drains to prevent discharge of chlorinated water into streams or lakes.

2) The lowest part of the system, may require hauling (or pumping) of chlorinated water to prevent the discharge of chlorinated water into streams or lakes.

February 2010 02522 - 1 Water Well Pump Installation

SECTION 02522

SOLAR WATER WELL PUMP SYSTEM

A. Includes sizing solar water well pump system and furnishing all materials, labor, and equipment for complete installation, including all related appurtenances in accordance with these specifications. Solar well pump equipment shall include, but not limited to, well pump, solar panels, solar panel support structures, pump control and level switches, and all correlating cables, clips, straining wire, clamps. Other work under this section includes installation of pitless adapter, drop pipe, and sanitary well seal.

1.02 DEFINITIONS

A. Completion of Pump Installation: Means that the production equipment has been installed in well, all necessary equipment has been connected, and well with equipment is ready to be placed into service.

1.03 Submittals

A. Product Data and warranties for all components of solar water pump system.

1.04 MEASUREMENT

A. Solar water well pump system installation shall be measured for payment as designated in the SCHEDULE OF ITEMS, such work shall include a fully operational system including all components and electrical wiring as specified within these specifications.

1.05 PAYMENT

A. The accepted quantities will be paid for at the contract unit price shown in the

SCHEDULE OF ITEMS. Payment shall be full compensation for all materials labor, and incidentals necessary for completion of each solar water well pump system installed and accepted, including related appurtenances in accordance to these specifications.

02522 (01)a Solar Water Well Pump System .................................... L.S.

02522 (01)b Solar Water Well Pump System .................................... L.S.

February 2010 02522 - 2 Water Well Pump Installation

2.01 Solar Water Well Pump System

A. All parts of the solar water well pump system shall be manufactured as a complete system ready for installation. The Contractor shall size the solar pump systems to meet the following requirements for each site:

a. Big Creek CG Solar Water System

1. Drilled Well

2. Season of Operation: May thru October

3. Depth to Water: 25’

4. Estimated Well Capacity: 2.5 GPM

5. Amount of Water Required: 900 GPD (Spring thru Fall)

6. Well Inside Diameter: 6”

7. Vertical Lift Required from Water Surface to Outlet: 100 ft.

8. Type of Storage: Above Ground

9. Elevation Above Sea Level: 5100’

10. Float Switch Option

11. Distance from well to utility building ~15’

12. Distance from utility building to Solar Panels ~15’

b. Yellow Jacket CG Solar Water System

1. Drilled Well

2. Season of Operation: May thru October

3. Depth to Water: 33’

4. Estimated Well Capacity: 1.5 GPM

5. Amount of Water Required: 900 GPD (Spring thru Fall)

6. Well Inside Diameter: 6”

7. Vertical Lift Required from Water Surface to Outlet: 100 ft.

8. Type of Storage: Above Ground

9. Elevation Above Sea Level: 4800’

10. Float Switch Option

11. Distance from well to utility building ~15’

12. Distance from utility building to Solar Panels ~110’

B. An acceptable model and manufacturer is Grundfos SQFlex, or approved equal.

C. Motor shall be of stainless steel construction, totally enclosed, water cooled, NEMA construction for continuous duty and underwater operation, range from 30 to 300 volt, single phase, 60 Hz, 3-wire (external capacitor) and exterior motor running protection. The motor shall be equipped with mechanical seals hermetically sealed stator, and shall be pressure-compensated for water depth.

Ball bearings and/or thrust bearings shall carry the weight of all rotating parts.

February 2010 02522 - 3 Water Well Pump Installation

2.02 DROP PIPE

A. Schedule 80 PVC Pipe, Threaded coupling, 1” diameter.

2.03 SANITARY WELL SEAL

A. The cap shall be bolted outside of the casing using a mechanical joint type follower gland against the gasket, causing the gasket to expand forming a watertight seal between the gasket and outside surface of the casing. The top of the cap shall be removable without effecting the seal, conduit or wiring. The cap shall be made of grey cast iron, and painted green. The cap shall have a threaded screened air vent (mushroom style), attached to the cap with a pipe nipple. The cap shall have a threaded connection for electrical conduit.

B. Model 5WPSM, as manufactured by the Monitor Division, Baker

Manufacturing Co., or approved equal.

2.04 PITLESS ADAPTER

A. The pitless adaptor shall permit burial of the supply piping while using the existing casing. The adaptor shall be of the “Slide Type” and of brass construction. A sanitary seal of the well casing is accomplished with the use of molded gaskets on both sides of the casing secured by a nipple and nut with fine pitch threads. The adaptor shall be rated for a safe load of 2500 pounds.

B. Model 100BT, as manufactured by the Monitor Division, Baker Manufacturing

Company, or approved equal.

2.05 RELATED APPURTENANCES

A. Electrical wiring between well and utility building and solar panels and utility building shall be encased in non-metallic electrical conduit. Pump wiring shall be sized as recommended by the pump motor manufacturer and in accordance with applicable rules and regulations.

B. Solar Panel mounts shall be installed AS SHOWN IN THE DRAWINGS on 4” diameter schedule 40 galvanized steel posts.

C. Concrete for solar mount posts shall be a minimum of 3500 psi.

3.01 GENERAL

A. The Contractor shall correctly size and order solar water pump system and submit to CO for approval prior to ordering.

February 2010 02522 - 4 Water Well Pump Installation

B. Well pump installation shall conform to the Water Well Construction Rules, and these Specifications. When a conflict arises, the more stringent requirement shall control.

C. Solar system installation shall be in accordance to the manufacturer’s requirements.

D. Solar panel locations shall be approved by the CO and installed on galvanized steel tubing posts. Posts shall be installed 4.5’ in ground encased in 24” diameter x 4’ deep of concrete, allowing panels to be installed between 10’ to 12’ 16’ above ground as SHOWN IN THE DRAWINGS. Solar panels shall be connected to posts as recommended by manufacturer and approved by CO.

D. Pump Installation: Pump shall be installed at 80’ below grade surface. Attach the power cable to the drop pipe with stainless steel band clamps at 10’ intervals. Splices in the power cable shall not be permitted except at the sanitary well seal.

D. Install Pitless Adaptor and Sanitary Well Seal as recommended by the manufacturer.

Malheur National Forest 03369- 1 Solar Water System CG Upgrades

February 2010 Precast Concrete Utility Building

SECTION 03369

PRECAST CONCRETE UTLITIY BUILDING

1. GENERAL

A. This section applies to the fabrication and installation of precast concrete utility buildings, including shipment to site and all work necessary for the complete fabrication of building and installation of other manufactured accessories needed.

Buildings shall include 2 floor factory punch-out locations for waterline utilities and 1 wall punch-out for exterior wall faucet. Work under this section shall also include staking building locations and orientation as approved by the CO, all incidental clearing and grubbing, building pad preparation according to manufacturer’s requirements, and final grading.

1.02 SUBMITTALS

A. Manufacturer’s Literature: Submit literature for the following items to the Contracting Officer (CO) for approval within 10 day after award of contract. Drawings and literature must be marked to show the exact model, size, and color proposed.

1. Door, louvered vents, and door hardware.

2. Paint, interior and exterior.

3. Caulk, ground and adhesive.

4. Concrete color additive, stains, concrete curing compound and concrete sealer.

B. Shop Drawings: Submit 2 sets of shop drawings of the utility building stamped by a Professional Engineer.

C. Design Calculations: Submit two sets of design calculations showing that the building is designed for the structural loads required, fabrication and transportation loads, and crack prevention and control.

1.03 MEASUREMENT AND PAYMENT

A. Measurement and Payment will be lump sum for each Precast Concrete Utility Building installed and accepted. Payment shall include all associated staking, clearing, building pad preparation and final grading necessary to complete the item.

B. Payment: Work will be paid for at the contract unit price as designated in the SCHEDULE OF ITEMS. Payment will be made under:

Malheur National Forest 03369- 2 Solar Water System CG Upgrades

03369 (01)a Precast Concrete Utility Building .................................. EA

03369 (01)b Precast Concrete Utility Building .................................. EA

2. PRODUCTS

2.01 PRECAST UTILITY BUILDING – DESIGN CRITERIA

A. Design Criteria

1. Snow Load: 250 lbs/ft2

2. Floor Load: 400 lbs/ft2

3. Wind Load :120 mph, exposure D

4. Seismic Load : Zone 4.

5. Salient Characteristics of Precast Concrete Utility Building

B. Concrete ‐ General

C. The concrete mix design shall be designed to ACI 211.1 to produce concrete of good workability.

D. Concrete shall contain a minimum of 505 pounds of cementitious material per yard cubic yard.

E. Cement shall be a low alkali type III conforming to ASTM C‐150.

F. Coarse aggregates used in the concrete mix design shall conform to ASTM C33 with the designated size of coarse aggregate #67.

G. Minimum water/cement ratio shall not exceed .45. Slump shall not exceed 5”.

H. Air‐entraining admixtures shall conform to ASTM C260. Water reducing admixtures shall conform to ASTM C494, Type A. Other admixtures shall not be used without customer approval.

I. The design shall meet the requirements of the Rocky Mountain Province in The Built Environment Image Guide for the National Forests and Grasslands.

2.02 COLORED CONCRETE

A. Color additives shall conform to ASTM C979. A 12”x12”x1” color sample shall be available for customer approval.

B. The following shall contain colored concrete:

1. Building walls.

2. The same brand and type of color additive shall be used throughout the manufacturing process.

3. All ingredients shall be weighed and the mixing operation shall be adequate to ensure uniform dispersion of the color.

2.03 COLD WEATHER CONCRETE

A. Cold weather concrete placement shall be in accordance with ACI 306.

Malheur National Forest 03369- 3 Solar Water System CG Upgrades

B. Concrete shall not be placed if ambient temperature is expected to be below 35 degrees F. during the curing period unless heat is readily available to maintain the surface temperature of the concrete at least 45 degrees F.

C. Materials containing frost or lumps of frozen materials shall not be used.

2.04 HOT WEATHER CONCRETE

A. The temperature of the concrete shall not exceed 80 degrees F. at the time of placement and when the ambient reaches 90 degrees F. the concrete shall be protected with moist covering.

2.05 CONCRETE REINFORCEMENT

A. All reinforcing steel shall conform to ASTM A615. All welded wire fabric shall conform to ASTM A185.

B. All reinforcement shall be new, free of dirt, oil, paint, grease, loose mill scale and loose or thick rust when placed.

C. Details not shown of drawings or specified shall be to ACI 318.

D. Steel reinforcement shall be centered in the cross‐sectional area of the walls and shall have at least 1” of cover on the under surface of the floor and roof.

E. The maximum allowable variation for center‐center spacing of reinforcing steel shall be ½”.

F. Full lengths of reinforcing steel shall be used when possible. When splices are necessary on long runs; splices shall be alternated from opposite sides of the components for adjacent steel bars. Lap bars #4 or smaller a minimum of 12”. Lap bars larger than #4 a minimum of 24 bar diameters.

G. Reinforcing bars shall be bent cold. No bars partially embedded in concrete shall be field bent unless approved by the customer.

2.06 SEALERS AND CURING COMPOUNDS

A. Curing compounds, if used, shall be colorless, complying with ASTM C309, type I or 1‐D.

B. Weatherproofing sealer for exterior of building shall be clear, pure acrylic water repellant penetrating sealer.

2.07 CAULKING, GROUT, ADHESIVE AND SEALER

A. All caulking shall remain flexible and non‐sag at temperatures from ‐50 to +140 degrees Fahrenheit.

B. Interior joints shall be caulked with a paintable silicone based caulk.

C. Exterior joints shall be caulked with a tripolymer sealant caulk which complements the exterior color.

D. Grout shall be a non‐shrink type and shall be painted to match the color of surrounding concrete as nearly as possible.

E. Epoxy concrete adhesive shall be two component, rigid, non‐sag gel adhesive for bonding to dry or damp surfaces, moisture insensitive.

Malheur National Forest 03369- 4 Solar Water System CG Upgrades

F. Portland cement mortar shall consist of one part Portland cement, three parts sand and enough water to make workable mixture.

2.08 PAINT

A. All paints and materials shall conform to all Federal specifications or be similar “top‐of‐the‐line‐components”. Paints shall not contain more than .06 percent by weight of lead.

B. Type of paints for buildings.

C. Inside concrete surfaces.

D. Interior floors shall be a high solid single‐component, chemical and urine resistant aliphatic moisture cure urethane, that meets ADA requirements for slip resistance. The color shall be gray.

E. Interior walls and ceilings shall be a modified acrylic penetrating pigment. The color shall be white.

F. Metal surfaces both inside and out.

G. DTM enamel.

H. Exterior concrete surfaces.

I. Exterior slab shall be clear sealer.

J. Exterior walls and roof shall be a pure acrylic water repellent penetrating stain in the same color as the walls or roof followed by a clear acrylic anti‐graffiti sealer.

2.09 STEEL DOORS

A. Doors shall be flush panel type 1‐3/4” thick, minimum 16 gauge prime coated steel panels with minimum 12 gauge internal bracing channels with polystyrene core. Door size to be 3068 single door.

B. Door frames shall be knockdown or welded type, single rabbet, minimum 16‐gauge prime coated steel, width to suit wall thickness. Three (3) rubber door silencers shall be provided on latch side of frame.

2.10 DOOR HINGES

A. Door hinges shall be 3 per door with dull chrome plating 4‐1/2”x4‐1/2”, adjustable tension, automatic‐closing for each door.

2.11 LOCKSET

A. Lockset shall meet ANSI A156.2 Series 4000, Grade 1 cylindrical lockset for exterior door.

B. Lever handle both inside and out.

C. Deadbolt shall be a Schlage standard model with a single cylinder, 2 ¾”backset, and 626 finish, or approved equal. The cylinder shall be a standard B661P Schlage, or approved equal.

2.12 THRESHOLD

A. An extruded aluminum threshold, Pemco #170 or approved equal.

Malheur National Forest 03369- 5 Solar Water System CG Upgrades

B. Door Sweep/Seal

C. Door sweep/seal shall be Pemco #420ASL, or approved equal.

2.13 WALL VENTS

A. Wall vent shall be cast into the concrete wall. The units’ frame shall be C3x4.1 channel steel. The louver frame shall be 3/16” x #3 flat bar. The louver shall be inverted Y, no vision 2x2x1/8” angle. All steel shall be primed and painted as defined in metal painting specifications. There shall be an insect screen between the louvers. Two vents standard with the building.

2.14 WINDOWS

A. Window frames shall be cast in and constructed of steel. Window glazing shall be ¼” thick clear Lexan polycarbonate, or approved equal.

MANUFACTURE of PRECAST BUIDLING

2.15 MIXING AND DELIVERY OF CONCRETE

A. Mixing and delivery of concrete shall be in accordance with ASTM C94, section 10.6 through 10.9 with the…