IRRIGATION SYSTEM - Goldendale Golf Club WA...

IRRIGATION SYSTEMSPECIFICATIONS & DRAWINGS

____________________________________________________________________

GOLDENDALEGOLF CLUB

GOLDENDALE, WASHINGTON

____________________________________________________________________

HARRY D. YATESGOLF COURSE IRRIGATION DESIGN

18298 S. SPRINGWATER ROADESTACADA, OR 97023

503 539-2376

TABLE OF CONTENTS

1. DOCUMENTS

2. GENERAL CONDITIONS

3. MATERIAL & PROCEDURE

4. PUMPING SYSTEM

5. CONSTRUCTION DETAILS

2

IRRIGATION SPECIFICATIONS

SECTION 1

DOCUMENTS

3

IRRIGATION SPECIFICATIONS1.0 DOCUMENTS

1.1 GENERAL

Bidders shall use the forms bound herewith or ones conforming substantially to them in form and content.

1.2 CONTENTS

Notice Inviting Bids

Proposal

Agreement

List of Subcontractors

Affidavit of Experience

Material Substitution List

4


1.0 DOCUMENTS (cont.)1.3 NOTICE INVITING BIDS

Prospective bidders are hereby notified that:Goldendale Golf Club1313 S. Columbus Ave.Goldendale, Washington 98620

will receive sealed bid proposals for the construction of an irrigation system.

The successful contractor shall furnish all labor, materials, tools, transportation, supplies, plant equipment, and appurtenances, unless specifically excepted, for the satisfactory completion of the entire contract work, in accordance with the plans, specifications, and construction detail drawings.

Such proposals will be received until

at which time and place such bids ( ) will (X) will not be publicly opened and read.

Work shall begin

and shall be completed by

All proposals or bids shall be submitted on the prescribed form and in the manner as indicated in the bidders instructions.

The Owner reserves the right to accept the proposal or bid and award a contract to the responsible which is in the best interests of the Owner; to postpone the acceptance of the proposal or bid and the award of the contract for a period not to exceed sixty (60) days; or to reject any and all proposals or bids received and further advertise the project for bids.

The Owner reserves the right to waive any informality in any bid received.

Copies of the plans, specifications, and contract documents may be obtained from : Harry Yates, 503 539-2376

By:_________________________________

_________________________________

5

am00041, 03/03/10,

include mandatory pre-bid meeting w/ design engineer at the GC.

IRRIGATION SPECIFICATION

6

1.0 DOCUMENTS (cont.)

1.4 PROPOSAL

TO: Goldendale Golf Club1313 S. Columbus Ave.Goldendale, Washington 98620ATTN: Dave Ross

Name and address of the bidder submitting this proposal to which all communications concerned with this proposal and with the contract shall be sent.

Bidders Name___________________________________________

Bidders Address________________________________________

________________________________________

The undersigned hereinafter called the bidder declares that the only person(s) interested in this proposal are those named herein; that the proposal is in all respects fair and without fraud; and, that it is made without any connection or collusion with any other person making a proposal on this project.

The bidder further declares that he has carefully examined the plans, specifications, detail drawings, and contract documents, hereinafter referred to as the document, for the construction of the proposed project improvement; that he has personally inspected the site; that he has satisfied himself as to the type and quantities of materials, the types of equipment, the conditions of the work involved as included herein, is brief and is intended only to indicate the general nature of the work and to identify the said quantities with the detailed requirements of the document; and, that this proposal is made in accordance with the provisions and terms of the document which shall be made a part of the proposal as completely as if the same were fully set forth herein.

The bidder agrees that if this proposal is accepted, he will within ten (10) days, excluding Sundays and legal holidays, after notification of acceptance, execute a contract in the form of the contract included in the document, and shall at the time of the execution of the contract, deliver to the Owner the performance and material and labor bond required herein.


7


1.4 PROPOSAL (cont.)

The bidder further agrees that he shall, to the extent of his proposal, furnish all labor, materials, tools, transportation, plant equipment, and appurtenances, unless specifically excepted, for the satisfactory completion of the entire contract work, in accordance with the document for the sum(s) of:

___________________________________________________________

___________________________________________________________

($_________________________)

For the purpose of adding to or deducting from the above sum should it be necessary for complete irrigation coverage, the following unit prices will apply:

Valve-in-head sprinkler completeincluding 65' 2" PVC pipe, swingjoint, control wire, fittings, labor.............$_________________

Quick coupling valve completeincluding swing joint, pipe,fittings, labor.....................................$_______________

In witness whereof the undersigned has set his hand and caused this instrument to be executed this _____day of ___________, 20____.

Signature of bidder_____________________________

Title___________________________________________


8

am00041, 03/03/10,

include list of equipment and rates to be used on project - helps protect on change orders. Also list personnel (can be generic) and hourly rate


1.5 AGREEMENT

THIS AGREEMENT, made and entered into this ____day of_________,

20______, between

(hereinafter called the Owner), and

(hereinafter called the Contractor),

WITNESSETH:

FIRST: That the contractor, in consideration of the promises of the Owner hereinafter set forth, hereby agrees to furnish all tools, equipment, labor, and material necessary to perform and complete in a good and workmanlike manner, the work specified within the time and in accordance with the plans, specifications, detail drawings, and documents, all of which are incorporated herein as though as though fully set forth, and are hereby agreed by the parties to constitute the contract documents.

SECOND: That the Owner agrees, in consideration of the performance of this contract, to pay to the contractor, and the contractor agrees to accept in full satisfaction for the work done hereunder, the sum of

which sum shall be paid to the contractor at the time and in the manner set forth.

IN WITNESS THEREOF: The parties hereto have caused this agreement to be executed the day and year first above written.

OWNER:____________________________________

BY:_______________________________________

CONTRACTOR:_______________________________

BY:_______________________________________


9


1.6 LIST OF SUBCONTRACTORS

NAME_____________________________________________________________

ADDRESS__________________________________________________________

TYPE OF WORK_____________________________________________________

NAME_____________________________________________________________

ADDRESS__________________________________________________________

TYPE OF WORK_____________________________________________________

NAME_____________________________________________________________

ADDRESS__________________________________________________________

TYPE OF WORK_____________________________________________________

NAME_____________________________________________________________

ADDRESS__________________________________________________________

TYPE OF WORK_____________________________________________________

NAME_____________________________________________________________

ADDRESS__________________________________________________________

TYPE OF WORK_____________________________________________________


10


1.7 MATERIAL SUBSTITUTION LIST

MATERIAL SPECIFIED MATERIAL SUBMITTED APPROVED

1.______________________ _________________________ _____________

______________________ _________________________ _____________

2.______________________ _________________________ _____________

______________________ _________________________ _____________

3.______________________ _________________________ _____________

______________________ _________________________ _____________

4.______________________ _________________________ _____________

______________________ _________________________ _____________

5.______________________ _________________________ _____________

______________________ _________________________ _____________

6.______________________ _________________________ _____________

______________________ _________________________ _____________


11


1.8 AFFIDAVIT OF EXPERIENCE

This is to certify that the contractor has installed irrigation systems of similarDesign, magnitude, and scope to this project as follows:

Project Name__________________________________________________________

Location______________________________________________________________

Contact________________________________Phone No.______________________

Project Name__________________________________________________________

Location______________________________________________________________

Contact________________________________Phone No.______________________

Project Name__________________________________________________________

Location______________________________________________________________

Contact________________________________Phone No.______________________

Contractors Name______________________________________________________

Address______________________________________________________________

Signed_________________________________Title___________________________

End of Section


12

SECTION 2

GENERAL CONDITIONS


13

2.0 GENERAL CONDITIONS

2.1 SCOPE

It is the intention of these specifications to accomplish the work of installing a fully automatic computer controlled irrigation system which will operate in an efficient and satisfactory manner according to the best standards established for irrigation system operation. Not withstanding is the fact that these specifications may be deficient in setting forth a complete detailed description of the work to be done.

The irrigation system shall be constructed to the sizes, grades and locations shown on the plans and unless otherwise specified, shall include all labor, equipment, technical supervision, materials, and other component parts necessary for the irrigation system as indicated in the plans and specifications.

Work or materials of a minor nature which may not be shown on the plans or mentioned in the specifications but which may be reasonably assumed as necessary for the construction or completion of the project shall be performed by the contractor the same as if shown on the plans and/or mentioned in the specifications.

2.2 EXAMINATION AND VERIFICATION OF SITE AND DRAWINGS

It shall be the contractors' responsibility to report any conflicts or deviations between the drawings and specifications and the site. Failure to do so prior to the installation of equipment resulting in replacing and/or relocating equipment, shall be done at the contractors' expense.

It shall be recognized that the site may differ from the plans drawn for construction of the irrigation system. The contractor shall be prepared to adjust installation of the irrigation system so that it will properly irrigate the site.

2.3 PRECEDENCE OF DRAWINGS

All general and specific notes shown on the drawings shall take precedence over these specifications. All work designated on the drawings by notes shall be furnished and installed whether or not specifically mentioned in these specifications. The drawings shall take precedence over these specifications should there be any conflict.


14

2.0 GENERAL CONDITIONS (cont.)

2.4 CHANGES, ALTERATIONS, OMISSIONS, AND ADDITIONS

No changes, alterations, omissions from or additions to the work shall be made by the contractor without the written approval of the Owner.

In the event that such changes, alterations, omissions, or additions shall be required, necessitating the use of additional equipment or manpower not anticipated in the plans and specifications, the contractor shall provide the same at rate of payment to be agreed upon.

2.5 ORDINANCES AND REGULATIONS

All local, municipal, state, and Federal rules and regulations governing or relating to any portion of this work are hereby incorporated into and made a part of these specifications and their provisions shall be carried out by the contractor. Any thing contained in these specifications shall not be construed to conflict with any of the above rules and regulations or requirements of same. However, when these specifications and/or drawings call for or describe materials or workmanship of a better quality, higher standard, or larger size, specifications and/or drawings shall take precedence over the requirements of said rules and regulations.

2.6 PERMITS Any permits for the installation or construction of any of the work included under this contract, which are required by any of the legally constituted authorities having jurisdiction, shall be obtained and paid for by the contractor, each at the proper time. The contractor shall also arrange for and pay all costs in connection with any inspections and examinations required by these authorities.

2.7 SUPERVISION AND MAINTENANCE

The contractor shall keep technical qualified personnel on the job full time during the course of construction to provide efficient supervision to the work and maintain adequate labor, equipment, and supplies at the site to immediately repair the system or components in the event of any leak or failure, and during the interim between failure and repair, cause the affected area to be irrigated as required to prevent damage to the site,


15


2.8 PROTECTION OF EXISTING FACILITIES

The Contractor shall exercise due care in protecting from damage all existing facilities, structures, and utilities both above surface and underground on the Owners property. The locations of structures, facilities, and utilities shown on the plans are based on the best information available at the time these plans were prepared. The Contractor shall exert every effort to maintain natural amenities that are to remain.

2.9 INSPECTION

The Owner shall have the right to inspect the materials entering into the construction of this project and the construction itself at any time.

2.10 AS-BUILT PLAN

The Contractor shall prepare an as-built plan of the irrigation system as constructed. On it shall be indicated the location of sprinklers, valves, and other components that may be used in the construction of the system as well as golf course features such as greens, tees, fairways, bunkers, cart paths, water features, etc.

The location of the system components and course features shall be determined by Global Positioning System (GPS). The as-built drawing data shall be differentially corrected for the most accurate results possible via GPS. The resultant positional data set shall be converted to AutoCAD ver. 2004 DWG format for final as-built preparation and shall be furnished to the Owner as part of this Contract.

2.11 OVERTIME WORK

Time is of the essence in the execution of the Contractors work, and if overtime work is required to meet the completion time for the work as shown on the bidding documents or invitation to bid, it shall be at the expense of the contractor.


16


2.12 POST CONSTRUCTION CLEAN-UP

Contractor shall remove totally from the site, within two weeks after completion of his work, all equipment, unused and damaged materials, trash, and all other property, and impediments due to, occasioned by, or used in the contractors work.

Failure to do so shall result in forfeiture of any and all such items by the contractor, and the Owner, after notification, may proceed with that function as he adjudges necessary and in a manner he deems expedient, with the understanding that the cost thereof shall be charged to the contractor and deducted from monies due under this agreement.

2.13 GUARANTEE

The work included under this contract shall be guaranteed against all defects and malfunctions of workmanship and materials for a period of one (1) year by the contractor from the date of final acceptance by the Owner. All necessary repairs and/or replacementsshall be made by the contractor, in an expedient manner, at no additional cost to the Owner. The Owner retains the right to make emergency repairs without relieving the contractors guarantee obligation.

In the event the contractor does not respond to the Owners request for repair work under this guarantee within a reasonably period of time, the Owner may make such repairs as he deems necessary at the full expense of the contractor.

2.14 QUALIFICATIONS

The contractor may be required to present evidence that he has successfully performed similar work of comparable magnitude or submit other evidence satisfactory to the Owner that he or his associates are personally competent to manage the proposed undertakings and to carry it forward to a successful conclusion. Professional integrity and honesty of purpose shall be essential requirements. A showing of adequate financial resources may be required but will not alone determine whether a contractor is competent to undertake the proposed work.


17

am00041, 03/03/10,

delete - insert "shall present"


2.15 PAYMENT

Upon approval by the Owner of the contractor's estimate of the labor and materials incorporated in the work as of the current month, payment to the contractor will be made for ninety (90) percent of the amount of said estimate. These payments will be made fifteen (15) days after the last day of said month.

Partial payments will not include items or materials stored on the site and not incorporated in the work unless specifically provided for by separate agreement.

When the work has been completed to the satisfaction of the Owner and, when applicable, all labor and material lien releases and wage certification forms have been properly executed and submitted to the Owner, the Owner shall pay to the contractor all monies remaining due him under the provisions of the contract agreement.

The acceptance by the Contractor of the final payment shall release the Owner from all claims and all liability to the contractor for all things done or furnished in connection with the work, and every act of the Owner and others relating to or arising out of the work. No payment, however, final or otherwise, shall operate to release the contractor or his sureties from obligations under this contract and the performance bond and the material and labor payment bond as herein provided.


18


2.16 INDEMNITY

The contractor shall save, keep and bear harmless, indemnify and defend the Owner and all officers and agents thereof from all damages, costs or expenses in law or equity that may at any time arise or be set up because of damages to property or of personal injury received by reason of or in the course of performing work described herein, which may be occasioned by any negligent act or omission to act which amounts to negligence upon the part of the contractor or any of said contractors employees or any subcontractor performing any of the work contemplated by the contract, or by reason of any infringement or alleged infringement of the patent rights of any person or persons, firm or corporation, in consequence of the use of or about the said work of any article or material supplied or installed under said contract; the Owner shall not be liable or responsible for any accident, loss or damage happening to the work referred to in the contract prior to the completion and acceptance of said work.

The contractor shall file with the Owner as a condition precedent to the execution of the contract, a certificate or certificates of protective liability insurance as herein stipulated in which the Owner is named insured or is named as an additional insured with the Contractor. The contractor shall also furnish evidence of a commitment by the insurer(s) to notify the Owner of the expiration or cancellation of said insurance, not less than thirty (30) days before the effective date of such termination.


19


2.17 INSURANCE

The contractor shall maintain, in full force, such insurance as shall protect the Owner, the contractor, and any subcontractor performing work covered by this contract from claims of damage, for the life of this contract, as follows:

Public Liability Insurance in an amount not less than $500,000 for injuries, including accidental death to any one person, and subject to the same limit for each person in an amount not less than $1,000,000 for each occurrence.

Statutory Workmans Compensation including Employers Liability Insurance in an amount not less than $100,000 for each occurrence, for all of his employees to be engaged in work on the project under this contract, and in case any such work is sublet, the contractor shall require the subcontractor similarly to provide Workmans Compensation and Employers Liability Insurance for all of the latter employees to be engaged in such work.

Builders All Risk Insurance including, but not necessarily limited to such perils as fire, vandalism, flood, earthquake, and tidal wave,, in the amount equal to the full value of the work and may be subject to a deductible not to exceed five percent (5%) of the estimated cost of the work for any one loss. Said policy to cover the Contractor, his subcontractors, and the Owner, as their interest may appear.


20

am00041, 03/03/10,

as this work includes work in sensitive areas, should Pollution Liability Insurance be required, i.e. they blow a hydraulic hose into the creek?


2.18 PERFORMANCE AND LABOR AND MATERIAL PAYMENT BOND

The successful bidder shall file with the Owner at the time of the execution of the contract a Performance Bond in the full amount of the contract price and a Labor and Material Payment Bond in an amount not less than one half of the contact price, and of the form bound herewith, as security for the faithful performance of the contract and the payment of all persons supplying labor and material for the construction of the work and to cover all guarantees against defective workmanship and materials, or both, for a period of one (1) year after the date of final acceptance by the Owner. The surety company furnishing this bond shall be a sound financial standing and their record of service satisfactory to the Owner and shall be authorized to do business within the state in which the work is being performed.

The Attorney in Fact (Resident Agent) who executes this Performance and Payment Bond in behalf of the surety company must attach a copy of his Power of Attorney as evidence of his authority.

Should any surety or sureties upon said bonds or any of them become insufficient, the contractor shall renew said bond or bonds with good and sufficient sureties within ten (10) days after receiving notice from the Owner that the surety or sureties are insufficient.

Should any surety or sureties be deemed unsatisfactory at any time by the Owner, notice will be given the contractor to that effect, and he shall forthwith substitute a new surety or sureties satisfactory to the Owner. No further payment shall be deemed due or will be made under this contract until the new sureties shall qualify and be accepted by the Owner.

21

IRRIGATION SPECIFICATIONS 2.0 GENERAL CONDITIONS (cont.)

2.19 DEFINITIONS

2.19.1 BIDDER

Wherever the word “bidder” occurs in the document, the word shall signify any person, partnership, firm, or corporation submitting a proposal on the project outlined in the document.

2.19.2 CONTRACT

The “Contract” is the written agreement covering the performance of the work, furnishing of labor, materials, incidental services, tools and equipment required in the execution of the work contained in the document. It may include supplemental agreements, amending or extending the work contemplated which might be required to complete the work in a substantial and acceptable manner.

2.19.3 CONTRACTOR

Wherever the word “contractor” occurs in these documents the word shall signify the party or parties contracting with the Owner to perform the work as specified in the document.

2.19.4 PLANS

Wherever the term “plans” occurs in the document, the word shall signify and refer to the official plans, profiles, cross-sections, elevations, details, and other working drawings and supplementary drawings or reproductions thereof which show the location, dimensions, and details of the work to be performed. The plans shall become a party of these documents as completely as if the same were bound herewith.

2.19.5 PROJECT

Wherever the term “project” occurs in the document, the word shall signify the entire scope of work included herein together with all appurtenances and construction to be performed thereon under the contract.

22

IRRIGATION SPECIFICATIONS2.0 GENERAL CONDITIONS (cont.)

2.19 DEFINITIONS (cont.)

2.19.6 SPECIFICATIONS

Wherever the term "specifications" occurs in the document, the word shall signify all of the terms, provisions, and requirements contained herein.

2.19.7 WORK

Wherever the word "work occurs in the document, the term shall signify all material, labor, tools, and all appliances, machinery, and appurtenances necessary to perform and complete everything specified in the document or shown on the plans and such additional items of labor, material, and equipment, not specifically indicated or described, which can be reasonably inferred as belonging to the item described or indicated and as required by good practice to provide a complete and satisfactory system or structure.

2.19.8 DOCUMENT

The "document" or "contract documents" consist of the Advertisement for Bids, Information for Bidders, the Proposal, the Bid Bond, General Conditions, Materials and Procedure, the Plans, including all modifications thereof, and all other materials incorporated into the document before their execution and including all of the requirements incorporated by specific reference thereto. The entire document forms the contract.

2.19.9 OWNER

Wherever the word "Owner" occurs in the document, the word shall signify:Goldendale Golf Club, Goldendale, Washington or its authorized agent.

End of Section

23


SECTION 3

MATERIALS & PROCEDURE

24

IRRIGATION SPECIFICATIONS3.0 MATERIALS AND PROCEDURE

3.1 GENERAL

All materials to be incorporated in this system shall be new and made without flaws or defects and of quality and with performance characteristics as specified to meet the requirements of this system.

Whenever any material is specified by name and/or number thereof, such specification shall be deemed and construed to be followed by the words "or approved equal".

3.2 PLASTIC PIPE

Plastic pipe shall be rigid unplasticized PVC extruded from virgin parent material of the type specified on the plans. The pipe shall be homogeneous throughout and free from visible cracks, holes, foreign materials, blisters, wrinkles, and dents.

Plastic pipe shall be continuously and permanently marked with the manufacturer’s name or trademark, size, schedule and type of pipe, working pressure @ 73 degrees F, and National Sanitation Foundation (NSF) approval.

Rubber ring joint pipe shall be class 200 (12” and smaller) or C-905 (14” and larger) and shall be installed using lubricant recommended by the manufacturer and Leemco joint restraints as shown in the construction details.

Lateral pipefittings (2”) shall be schedule 40 PVC and shall be manufactured of the same material as the pipe.

Rubber ring joint mainline change of direction fittings (4” and larger) shall be Leemco Slant Bell gasketted ductile iron.

PVC mainline outlet fittings shall be Leemco Slant Bell ductile iron gasketted tapped tees.

All threaded PVC nipples shall be schedule 80. Female PVC threads will not be permitted in fittings of any size.

PVC mainline fittings (larger than 2”) and PVC saddles will not be permitted.

All mainline and lateral pipe shall be class 200 PVC.

25


3.0 MATERIALS AND PROCEDURE (cont.)

3.3 STEEL PIPE AND FITTINGS

Steel pipe shall be new, scale free, mild steel and shall be standard weight schedule 40 galvanized.

Steel pipefittings shall be heavy pattern, banded, galvanized malleable iron, threaded pipefittings.

Pipe shall be carefully cleaned before installation. The ends of all threaded pipes shall be reamed out full size.

Joints in all threaded steel pipes shall be made by applying an approved Teflon base thread lubricant or Teflon tape to the male threads only.

Welded black steel pipe shall be new, scale free, mild steel, standard weight schedule 40, and shall conform to AWWA C201 or C202 designations.

Field welding shall be performed in accordance with the specifications of AWWA designation: C206.

3.4 FLUSHING AND TESTING

All mainlines shall be thoroughly flushed prior to backfilling the trench and installing the control valves.

After flushing, all mainline outlets shall be capped or plugged tight and mainline shall be tested under maximum operating pressure for not less than 3 hours and inspected for leakage by an authorized representative of the Owner.

Upon approval by Owner of pressure test, mainline trench may be backfilled.

After control valves are installed, lateral lines shall be flushed one at a time for a sufficient period of time to ensure thorough cleaning.

After lateral lines are flushed, sprinkler heads may be installed and tested for operation.

26

am00041, 03/03/10,

what is the acceptable pressure loss at the end of 3hrs? Require documentation on each pressure test as there will not be 3rd party CQA



3.5 JOINT RESTRAINT

Ductile iron joint restrains shall be installed on all fittings and gate valves connecting 4" and larger ring joint PVC pipe.

The joint restraint shall be capable of securing the PVC pipe to the lug on the Leemco slant bell ductile iron fittings.

The joint restraint shall be capable of securing PVC pipe to PVC pipe and PVC pipe to ring joint gate valves as indicated on the detail drawing.

All gate valves, elbows 6” and smaller, and tee branches 6” and smaller shall be secured to the next full length of pipe.At least 2 full lengths of pipe must be secured to elbows and tee branches 8” and larger and at least 3 full lengths of pipe must be secured to dead end pipes (see manufacturers recommendations for exact number and locations of restraints).

The joint restraint must be similar in all respects to the joint restraints as manufactured by Leemco, Corona, California.

27

am00041, 03/03/10,

what is the estimated life span of DI pieces?

IRRIGATION SPECIFICATIONS3.0 MATERIALS AND PROCEDURE (cont.)

3.6 EXCAVATION AND BACKFILL

Trenches for piping shall be excavated either by hand or machine and shall be of sufficient width to permit proper handling and installation of the pipe and fittings. Selected fill dirt or sand shall be used to bed the pipe if soil conditions are rocky. Trench shall be excavated 2 inches below normal depth to allow for this bedding. Selected fill dirt or sand shall be used in filling 4 inches above the pipe. The remainder of the backfill shall contain no lumps or rocks larger than 3 inches. The top 6 inches of backfill shall be free of trash, subsoil, and rocks larger than 1 inch.

Unless otherwise specified or agreed to by the Owner, the backfill shall be mechanically compacted in 6 inch lifts to 90% to prevent settling, and brought to grade to the adjacent soil level.

Where conditions allow, all lateral pipe shall be installed by an approved “trenchless” method. Such method shall not alter the normal warranty of the pipe.

Where piping is to be installed in existing turf, sod is to be removed with a sod cutter prior to trenching or excavation, properly maintained by a qualified agent of the contractor during construction, and replaced to grade after backfill. Where removal of sod is impractical, area is to be brought to grade and reseeded as per Owner.

Should rock be encountered during the excavation of trenches that would render refusal by a “580 Case” backhoe or equal, the contractor shall immediately notify the Owner to determine and alternate route or trenching method.

Sufficient barricades shall be provided by the contractor, at his own expense, to protect all unattended excavations or trenches.

Unless otherwise specified on the plans, all mainline pipes shall have a minimum cover of 24” and a maximum cover of 36” and all lateral pipes shall have a minimum cover of 15 inches and a maximum cover of 24”.

Where pipes share a common trench or cross, the Contractor shall provide a minimum horizontal separation of 12” and a minimum vertical separation of 6”.

Where practical, and conditions allow, all power, signal, and control wire shall be installed by an approved “trenchless” method except where mainline trenches provide a suitable route.

28

am00041, 03/03/10,

confirmed by Owner

am00041, 03/03/10,

who is going to measure this? 90% standard proctor?


3.0 MATERIALS & PROCEDURE (cont.)

3.7 ROTARY SPRINKLER HEADS

Unless otherwise specified, the installation of sprinkler heads shall include excavation and backfill, the furnishing and installation, and testing of risers, fittings, and sprinkler heads, and the removal and/or restoration of existing improvements and all other work in accordance with the plans and specifications

Sprinkler heads shall be of the type and size with the diameter or radius of throw, pressure, discharge, and any other designation necessary to determine the type and size, as indicated on the plans.

All sprinkler heads shall be set flush and perpendicular to the finished grade unless otherwise indicated on the plans or construction details.

Where finish grade and/or turf has not been established. Owner may require the contractor to install rotary pop-up sprinklers 4" above grade. When finish grade and/or turf has been established, the contractor shall lower all rotary pop-up sprinklers to finish grade at no additional cost to the Owner.

All rotary pop-up sprinklers shall be installed on pre-fabricated adjustable swing joint assembly using "o" ring seals. The swing joint shall be fitted with Acme threads.

All rotary pop-up sprinklers that incorporate an automatic valve into its construction shall be equipped with a "manual", "off", "automatic" selector device which shall be accessible from the top without disassembly of the unit.

All rotary sprinklers shall be manufactured with Acme inlet threads.

29


3.0 MATERIALS AND PROCEDURE

3.7 MANUAL VALVES

Unless otherwise specified, the installation of manual valves shall include excavation and backfill, the furnishing and installing of valve boxes, fittings, valves, and the removal and/or restoration of existing improvements, and all other work in accordance with the plans, specifications, and construction details.

All two-inch (2”) manual valves shall be brass or bronze constructed, class 150, with screwed connections, and cross handle, and shall be the type and size indicated on the plans.

All manual valves four (4) inches and larger shall be cast iron, bronze fitted, class 150, with non-rising stems, flanged or rubber ring joint connections, fitted with a two (2) inch square operating nut, and shall be of the type and size indicated on the plans.

Valves shall be similar in all respects to Leemco series.

3.7.1 VALVE BOXES

All manual valves shall be installed in a 10" round or larger valve box.

All valve boxes shall be supplied with approved locking "T" type covers and sufficient extensions to provide enclosure from valve to finish grade.

30

am00041, 03/03/10,

location of valve boxes may include areas of equipment travel. Do we want to spec out a valve box that will withstand the loading of the equipment?

IRRIGATION SPECIFICATIONS 3.0 MATERIALS AND PROCEDURE (cont.)

3.8 QUICK COUPLING VALVES

Unless otherwise specified, the installation of quick coupling valves shall include excavation and backfill, the furnishing and installation, testing of risers, fittings, valves, and the removal and/or restoration of existing improvements and all other work in accordance with the plans and specifications.

All quick coupling valves shall be set perpendicular to, and flush with, the finish grade.

All quick coupling valves shall be fitted with a stabilizer similar to Leemco #100.

All quick coupling valves shall be installed on pre-fabricated adjustable swing joint assembly using "o" ring seals. The swing joint shall be fitted with Acme threads.

The quick coupling valve shall be the type and size and indicated on the drawings.

31


3.9 AIR RELEASE/VACUUM RELIEF VALVE

Unless otherwise specified, the installation of combination air release/vacuum relief valves shall include excavation and backfill, the furnishing and installing of valve boxes, fittings, valves, swing joints and the removal and/or restoration of existing improvements, and all other work in accordance with the plans, specifications, and construction details.

All air release/vacuum relief valves shall be cast iron body with 1" IPS inlet tap, stainless steel float, Buna N seat, and shall be capable of releasing large quantities of air when pipes are being filled with water, and introduce air into pipes during drainage and shall be similar in all respects to Crispin No. IC10 or Apco No. 143C.

Air release/vacuum relief valves shall be installed on a pre-fabricated swing joint assembly using "o" ring seals with a stainless steel ball shut off valve immediately under the air release/vacuum relief valve.

All air release/vacuum relief valves shall be installed on pre-fabricated adjustable swing joint assembly using "o" ring seals. The swing joint shall be fitted with Acme threads.

32



3.10 CENTRAL COMPUTER CONTROL SYSTEM

The central computer system shall be provided and installed as a complete and operational Toro Site Pro system including, but not limited to the computer, printer, display, system interface components, uninterruptable power source with line surge and interference protection, voltage stabilization, software, documentation.

The central computer control system manufacturer shall provide complete operation and service training to the Owners responsible managing employee.

3.11 FIELD SATELLITE CONTROLLERS

Unless otherwise specified, the installation of the satellite controllers shall include the furnishing and installing of concrete, sleeves, brackets, electrical work, controllers, and all other work in accordance with the plans, specifications, and construction details.

The satellite controllers shall be as specified on the plans and shall be fitted with a plastic, pedestal type enclosure, and shall be set plumb and level at the location indicated on the plans or as directed by the Owner. Power supply shall be fitted with voltage stabilization.

3.12 LIGHTNING PROTECTION

All control equipment shall be fitted with maximum factory recommended lightning protection with suitable ground rods driven at each controller location.

33


3.14 TURNOVER ITEMS

The contractor shall furnish to the Owner, as part of this contract, the following items for operation and service:

3.14.1 Manufacturer's literature and service manuals for each type of component part of the system, bound in a 3 ring binder.

3.14.2 Two (2) operating keys for each type of manual valve requiring such keys.

3.14.3 Six (6) quick coupling valve keys compatible with quick coupling valves specified on the plans.

3.14.4 Six (6) 1" swivel hose ells for quick coupling valve keys.

3.14.5 Four (4) complete rotary sprinklers of each type utilized in the system.

3.14.6 Six (6) complete swing joint assemblies including bushings for each size of rotary sprinkler utilized in the system.

3.14.7 Two Leemco Joint restraint assemblies for each size of outlet fitting.

34



3.15 DIRECT BURIAL WIRE

All direct burial wire shall be Type UF, 600 PVC insulated, solid copper, and shall be sized and color coded as indicated on the plans.

All wire splices and underground connections shall be made with an approved waterproof connector, and shall be made within a junction box, valve box, or controller pedestal.

All high voltage power supply and control wiring shall be performed in accordance with all codes and ordinances regulating this work.

All control wire shall be fully jacketted, 1 conductor, type UF, #14 AWG running from each valve-in-head sprinkler to the nearest controlling field satellite.

All common wire shall be fully jacketted, 1 conductor, type UF, #12 AWG.

Where possible, the contractor shall install all power and low voltage control wires to the side of, and in the same trench as, the mainline pipe.

Where more than one wire is installed in a trench, the wires shall be bundled and taped together at 10' intervals.

All wires shall have a 36" expansion loop provided at all changes of direction and at 300' intervals.

All direct burial wire shall be Paige Electric.

35



3.15.1 COMMUNICATION WIRE

Communication wire shall be Paige Electric fully jacketted, 2 conductor, type UF, communication cable. All splices in the communication wire shall be made at the field satellite or in an approved junction box marked "ELECTRICAL".

All control equipment shall be fitted with maximum manufacturer recommended surge, lightning, & grounding protection.

3.15.2 WIRE CONNECTORS

All low voltage wire connections shall be made with NorthstaR Industries #SK 14-12G.

END SECTION


36

SECTION 4

PUMPING SYSTEM

37

IRRIGATION SPECIFICATIONS4.0 PUMPING SYSTEM

4.1 SCOPE OF WORK

It is the intention of this specification to describe an automatic pump station for an irrigation system. This is to be accomplished by using a prefabricated pump station with variable frequency driven pumps and motors for pressure regulation.

4.2 GENERAL

The pump system shall be capable of delivering from 0-500 gpm @ 120 psi.

The prefabricated pumping station shall have a minimum capacity and discharge pressure at skid edge as described in the technical specifications. The overall pump length shall extend to within twelve inches of the bottom of the wet well. The pumps shall operate at no more than 2200 RPM.

The station shall be completely wired, piped, hydraulically and electrically tested prior to job site shipment.

Construction shall include a fabricated steel plate and skid assembly to support all components during shipping and to serve as the installation mounting base.

The discharge manifold from the pump station shall terminate a skid edge and be provided by the pump station manufacturer.

4.3 PUMPS AND MOTORS

Bowl assembly including suction case, intermediate bowls and discharge bowls shall be of cast iron, the impellers shall be of bronze, statically balanced. They shall be adjusted vertically by means of an adjusting nut located at the top of the driver. Each pump shaft is to be turned, ground and polished stainless steel having a chromium content of not less than 12%. It shall be supported by bearings above and below each impeller. The size of each shaft shall be able to transmit the horse power required by the pump.

Each pump station strainer shall be corrosive resistant basket type with an area not less than four times the suction bell inlet area.

The discharge column pipe shall be furnished in interchangeable sections with flanged or threaded couplings. The line shafts shall be ground and polished

38

IRRIGATION SPECIFICATIONS4.0 PUMPING SYSTEM (Cont.)

4.3 PUMPS & MOTORS (cont.)

stainless steel, and shall be coupled with steel couplings, have left hand the which tighten during pump operation. The section of shaft passing through the stuffing box shall be stainless steel having a chromium content of not less than 12%. It shall be supported by bearings above and below each impeller. The size of each shaft shall be able to transmit the horse power required by the pump.

Each pump shall be supplied with a surface discharge head having a flanged discharge opening. The top diameter of the discharge head shall match the diameter of the motor base to distribute the load uniformly. The discharge head shall be provided with a drain for the stuffing box waster water. No wastewater is to be permitted to run onto the skid deck. The discharge head shall include a cast iron stuffing box complete with gland, bypass line, bronze bushing, packing and water slinger.

4.4 MOTORS

Each pump driving motor shall be squirrel cage induction vertical hollow shaft type. The connection to the pump shaft shall be bolted down type couplings in the motor. The temperature rise of the motor shall be to NEMA standard MG-1-12.42 for Class B or Class F installation. A thrust bearing of ample capacity to carry the weight of all rotating parts plus the hydraulic thrust of the pump shall be incorporated into the motor. The bearings shall be of such size and rating that the average life is no less than five years continuous operation. The motor shall be of proper size to drive the pump at any point on the operation curve without exceeding the percent of the motor horsepower nameplate rating as called out in the Technical Specifications.

4.5 PIPING MANIFOLD, VALVES, GAUGES & OTHER MECHANICAL EQUIPMENT

All fabricated piping shall conform to ASTM specifications A53 for Grade B welded or seamless pipe. Discharge piping 8" and above shall be a minimum of Schedule 10. Discharge piping 6" and smaller shall be Schedule 40. All welded flanges shall be forged steel slip on or weld neck type. All welded fittings shall be seamless, conforming to ASTM Specification A234, with pressure rating not less than 150 psi.

Drains are to be provided from any possible low point in the system and are to be equipped with 1/4" brass petcocks. They include, but are not limited to, the following:

39


4.0 PUMPING SYSTEM (cont.)

4.5 PIPING MANIFOLD (cont.)

4.5.1 Drain for each pump discharge check valve

4.5.2 Drain in discharge spool between control valve and station dischargeA wash down 3/4" hose bib shall be provided downstream of the control valves, upstream of the main station isolation valve

Pump check valves shall be of the center pivot dual disc non-slam type, cast iron bodied with bronze and stainless steel trim. Sealing surfaces shall utilize resilient Buna-N-rubber. The pump check valve manufacturer shall be Valmatic, Model 8800 Series or approved equal. The pump check valve manufacturer shall be Valmatic, Model 8800 Series or approved equal.

Each Pump shall be isolated by means of a butterfly valve after the check valve and before the discharge manifold. The discharge manifold shall also have an isolation valve at skid edge. Isolation valves shall be butterfly type with ten position lever or gear operators and rated at 200 psi WOG working pressure. Trim shall include stainless steel stem, bronze or nickel coated iron streamlined disc, with full faced resilient seat design to eliminate need for flange gaskets. The valve shall be a Milwaukee model ML 122/123/124 or approved equal.

Pump discharge bypass valve shall be installed on the discharge piping downstream of the pressure regulating valves. The valve shall be sized to bypass sufficient water to avoid overheating of the pumps at or near shut off head conditions. The bypass valve shall be as manufactured by Cla-Val, Kunkle or approved equal.

Gauges and switch gauges shall be isolated from all electrical switch gear and control panels. Gauges shall be provided at appropriate locations to read inter-stage pressure and discharge manifold pressure. Gauges shall be liquid filled or pulsation dampened.

4.5 ELECTRICAL

The pumping station electrical controls shall be mounted in a self containing NEMA 12 enclosure fabricated from not less than 14 gauge steel. Door gasket seals shall be neoprene sufficient to protect interior components from weather and dust. The electrical panel doors shall be constructed from 12 gauge steel with integral latches.

40

am00041, 03/03/10,

State of WA requires UL approved components


4.0 PUMPING SYSTEM (Cont.)

4.6 ELECTRICAL (cont.)

All external operating devices shall be dust and weather proof. Operating handle for main station power disconnect shall be provided on the front of the panel. All internal components of the enclosures shall be mounted on removable back panels. Mounting screws for components shall not be tapped into the panel enclosure.

All wiring within and interconnecting the panels shall be complete and no field wring within the panels shall be required. Wiring troughs and cable raceways shall be self contained within the enclosure and no external cable trays or wiring troughs will be permitted.

No pressure gauges, pressure switches, water activated devices, or water lines of any sort shall be installed in any electrical control panel.

The variable frequency drive shall include terminals for incoming power, motor output power and various control terminals. Front operator stations are included with output frequency meter, speed adjustment, fault indications and run/stop switch.

The VFD inverter maintains maximum station efficiency by varying pump rotational speed to meet the demands of the system. Variable frequency pulse width modulated (PWM) AC power shall be supplied by the inverter to achieve the variable pump speed.

Inverter will have under voltage, over voltage and over current protection. The VFD shall include an incoming circuit breaker, incoming main starting contactor and motor protection device. Inverter shall follow a speed signal or manual speed adjustment. Control power shall be 120 VAC. Front panel devices will include a frequency meter, speed adjustment, fault indicator, and hand off auto selector switch. Inverter shall have adjustments for acceleration and deceleration, V/F adjustment, and voltage boost.

41



4.6 ELECTRICAL (cont.)

Each pump motor starter shall be contained within an individual NEMA 12 enclosure with access door. The main disconnect shall be contained within an individual NEMA 12 enclosure with access door. Each starter shall be protected on each power leg by a time delay fuse of the appropriate amperage. Motor starter coils shall be 120 volt operated. Overload relays shall be ambient compensating, differential tripping type installed on each power leg and shall be set to trip at 105% of motor full load current rating. The design shall include a differential mechanism for sensitivity to single phase conditions.

4.7 MASTER CONTROL AND DISPLAY PANEL

The master control and display panel shall be NEMA 12 enclosure separate from the high voltage control panel and fabricated from not less than 14 gauge steel and equipped with a non yellowing, impact resistant, Lexan glazed, basketed enclosure door. The door shall have a draw tight screw latch. The incoming power shall be isolated by means of a circuit breaker or fused disconnect.

The pump sequence controller shall be an industrial grade multi-function microprocessor, field programmable, and equipped with light emitting diodes for diagnostic and monitoring purposes. The controller shall receive inputs from a flow sensor and pressure transducer located on the discharge manifold.

Upon a drop in pressure, pump #1 starts and accelerates and to maintain constant downstream pressure. When flow has diminished to less than a minimum set point, and programmed time off delay has elapsed, pump #1 will be retired. If flow exceeds pump #1 capacity, pump #2 will start and the VFD will modulate pump to maintain constant pressure. As flows diminish, decelerate and will be retired in reverse order.

When the capacity of Pump #1 is exceeded, pump #2 will start,. Pumps #1 and #2 together will satisfy the total system. As flow subsides, the sequence is reversed and pumps decelerate and are retired after programmed time delays have elapsed.

42

IRRIGATION SPECIFICATIONS4.0 PUMPING SYSTEM (cont.)

4.7 MASTER CONTROL (cont.)

The control panel shall be equipped with the following switches and displays:

4.7.1 Manual on/off/auto selector switches with green (run) and red (safety shut down) indicator lamps.

4.7.2 Individual pump elapsed time meters

4.7.3 Digital LED discharge pressure display

4.7.4 Digital LED flow in gallons per minute (GPM) display

4.7.5 Gallons pumped totalizer

4.7.6 Low water level cutout indicator lamp (Optional)

Duplicate controller modules containing the system program shall be furnished to insure backup capability in the event of a power surge or lighting strike.

Electrical controls shall conform to National Electrical Code Standards.

4.8 SKID WIRING

Skid wiring shall conform to National Electrical Code Standards. All wiring from control panels to motors shall be in liquid tight conduit with copper conductors rated not less than 600 volts AC and of proper size to carry the full load amperage of the motors without exceeding 70% capacity of the conductor. A grounding cable sized to National Electrical Code requirements shall be included in the liquid tight conduit. There shall be no splices between the motor starters and the motor connection boxes.

Wiring to flow sensors, and pressure transducer shall be multi conductor shielded cable suitable for Class II low voltage controls. Wiring to motor operated valves shall be in liquid tight conduit with TFFN #18 gauge copper conductors rated not less than 600 volt AC.

43



4.9 ELECTRICAL EQUIPMENT

The main power supply feeding the pumping station shall be equipped with a 3 phase secondary lighting arrested having a breakdown current rating of not less than 60,000 amps at 14,000 Volts discharge. Power supplies, 300 Volts and less, shall use 300 Volt rated arresters with a 800 Volt spark- over Voltage. Power supplies 301-600 Volts shall use 600 Volt rated arresters with a 1,000 volt spark over Voltage.

A three pole main station disconnect shall be mounted in an individual NEMA 12 enclosure to completely isolate the electrical system from incoming power. The disconnect shall conform to the requirements of the National Electrical Code Standards.

The main station disconnect shall have an operating handle on the front of the panel.

Single pole secondary distribution fuses with appropriate ratings shall supply power to each pump starter coil circuit, the control system and to other circuits as specified.

The incoming power shall be fitted with a phase failure/low voltage system dropout relay to de-energize the pump station in case of either phase failure, reversal or low voltage condition. The phase failure cutout condition will remain in effect after power is restored with the indicator light to remain illuminated until manually reset.

Low discharge pressure is to be sensed by the pump starting set point. when the station discharge pressure decreases to this point and maintains a start signal for the time called out in the Technical Specifications, the pumps will be de-energized and remain so until the circuit is manually reset. An indicator light shall illuminate to indicate a low discharge pressure shutdown has occurred.

Each pump motor starter shall be equipped with an elapsed time meter reading up to 9999.9 hours. The meter(s) shall be installed in the electrical control cabinet behind the Lexan glazed front door.

Corrosion inhibiting modules shall be installed in all electrical enclosures in accordance with the manufacture's recommendations.

44



4.10 CONSTRUCTION

Construction shall be of modular form utilizing a steel base structurally adequate to support pumps, piping, tanks, and electrical equipment as a single integral assembly. All nuts, bolts, washers, and fasteners shall be zinc or cadmium plated for corrosion resistance.

4.11 PAINTING

Painting of the entire unit shall consist of a multi-step coating system, which includes metal preparation, and a two part polyurethane finish having a total dryfilm thickness of not less than 5 mils. Paint shall be ultraviolet insensitive. Pump station components shall be painted medium green. All electrical enclosures, tanks, and accessory panels shall be appliance white.

4.12 TESTING

The pump station shall be tested for hydrostatic performance and electrical function cycles prior to delivery, to minimize on site start up time.

4.13 ON SITE START UP

Shipping and off loading to be arranged by purchaser. Technical start up shall be furnished by the pump station manufacturer. Location and mounting details shall be furnished by the pump station manufacturer. Electrical connection, by purchaser, shall consist of a single conduit from owners disconnect to the pump station main disconnect. Further electrical service by purchaser shall include pumping manual motor starter controls to prove correct rotation and securing local inspection/approval.

- Technical start up procedures by the pump station manufacturer shall include the following:

- Station start up and pressurization

- Pressure, flow and programming adjustments

- Preparation of duplicate program module

- Monitoring of complete golf course irrigation cycle when possible

45



4.14 WARRANTY

The manufacturer shall warrant the pumping station to be free of defects and product malfunctions for a period of one year from date of start up or eighteen months after shipment, whichever occurs first. Failures caused by, lighting strikes, power surges, vandalism, flooding, operator abuse, or acts of God are excluded from warranty coverage.

4.15 SITE PREPARATION DRAWINGS

Site preparation drawings shall be furnished by the manufacturer within two weeks after receipt of order. Drawings shall indicate pump station alignment, discharge piping size, and electrical services required from local contractor. The owner shall return one set of drawings market approved or corrected within one week of receipt.

4.16 OPERATION AND MAINTENANCE MANUALS

Operation and maintenance manual shall be furnished at time of start up.

4.17 OPTIONS

The pumping system shall be fitted with lake level controls, downstream relief valve, 5 kva power package, 30" inlet screen assembly, Amiad screen filter assembly.

4.18 MANUFACTURER

The pumping station shall be Watertronics #VTVE-25/25/5-500-120 or equal approved by the architect/engineer.

4.19 PUMPING SYSTEM LOWER STRUCTURE

The pumping system lower structure shall include, but not be limited to, all excavation, backfill, concrete, masonry, conduit, pipe, culvert, screens, steel, grading, gravel, labor, and all other appurtenances necessary to construct the lower structure as shown on the plans and as set forth herein.

46



4.20 PUMPING SYSTEM ENCLOSURE

The pumping system enclosure will be constructed and furnished by the pump manufacturer or Contractor

4.21 PUMPING SYSTEM 460V POWER

The 460v, 3 phase, 400A electrical service from transformer to pump station location will be constructed by the Contractor as part of this Contract.

End of Section

47


48

SECTION 5

CONSTRUCTION DRAWINGS

49

5.0 CONSTRUCTION DRAWINGS

5.01 GENERAL

These construction details are intended to supplement the plans and any part of the work that may be mentioned in the one and not represented in the other, shall be done the same as if it had been mentioned or represented in both.

Work or materials of a minor nature which may not be specifically mentioned or represented, but which may be reasonably assumed as necessary for the construction or completion of this work, shall be preformed by the contractor the same as if shown on the drawings or described in the specifications.

In general, large details will take precedence over small-scale drawings. Figures, when given, shall be followed in preference to scale measurements.


50


51


52


53


54


55


56


57

IRRIGATION SYSTEM - Goldendale Golf Club WA...

Documents

Transcript of IRRIGATION SYSTEM - Goldendale Golf Club WA...