# Technical Report No. 97-8 

# Water Intake Structures An Alternative to Traditional Screened-Box Enclosures For The Protection ofFish



# Alaska Department of Fish and Game Habitat and Restoration Division Janet Kowalski, Director

March 20,1998The Alaska Department of Fish and Game administers dl programs and activities free from discrimination on the basis of sex, color, race, religion, national origin, age, marital status, pregnancy, parenthood, or disability. For information on alternative formats available for this and other department publieations contact the department ADA Coordinator (voice) 9071465-4120: (TTD) 90714783648. Any person who believes shehas been discriminated against should write to: ADF&G, PO BOX 25526, Juneau, AK 99802- 5526 or O.E.O. U.S. Department ofInterior, Washington, D.C. 20240.

# Water Intake Structures

An Alternative to Traditional Screened-Box Enclosures For the Protection of Fish
Prepared By 

## Robert F. "Mac"McLean

Technical Report 

## 97-8

Janet Kowalski, Director Alaska Department of Fish and Game Habitat and Restoration Division 

### P.O. BOX 25526 Juneau, 

### AK 99802-5526

March 20,1998

### TABLE OF CONTENTS

List of Tables


### ..................................................................................................................... iv List of Figures


### .................................................................................................................... iv Acknowledgements


### .............................................................................................................. v Abstract


### ................................................................................................................................ 1 Introduction


### .......................................................................................................................... 1 Background


### .......................................................................................................................... 1



### ......................................................................................................... Materials and Methods 3 Results


### .................................................................................................................................. 6



### .......................................................... First Generation Six-Inch Pump Intake Cylinder 

### 6 Second Generation Six-Inch Pump Intake Cylinder


### ...................................................... 6



### ........................................................ First Generation Four-InchPump Intake Cylinder 7 Discussion


### ............................................................................................................................ 8 Future Development and Testing


### ......................................................................................... 8 Literature Cited


### .................................................................................................................... 9
Appendixes Appendix A Inner Pipe SleeveCut-Out Diagram for First Generation Six-Inch Pump Water Intake Cylinder (ft./lb. and S.I. units)


### ................................ A-1 Appendix B Inner Pipe Sleeve Cut-Out Diagram for Second Generation Six-Inch Pump Water Intake Cylinder (ft.Ab. and S.I. units)


## .................. B-1 Appendix C Inner Pipe Sleeve Cut-Out Diagram for First Generation Four-InchPump Water Intake Cylinder (ft./lb. units)


## ............................. C-1



### ............................................................ Appendix D Water Pump Performance Charts D-1

iii

### LIST OF 

### TABLES Table 1. Maximum Allowable ScreenMesh Size and Water IntakeVelocities Through a Screened Intake for Water Withdrawals in Anadromous



### ............................................................................................................... Waters .3 

### LIST OF FIGURES Fag2



### .................................... Figure 1. First Generation Six-InchPump Water Intake Cylinder 

### 4



### ............................... Figure 

### 2. Second Generation Six-InchPump Water Intake Cylinder 

### 5 Figure 

### 3. First GenerationFour-Inch Pump Water Intake Cylinder


### ................................. 5 Figure 4. Photograph of Second Generation Six-Inch DiameterWater Intake Cylinder


### ........................................................................................................... .10 Figure 

### 5. Photograph of First Generation Four-Inch Diameter Water Intalce Cylinder


### ............................................................................................................ 10

### ACKNOWLEDGEMENTS Prototype developmentand testing ofthe alternative water intake structure was a cooperative project between the Alaska Department of Transportation and Public Facilities (ADOT&PF),Northern Regional Office, and the Alaska Department of Fish and Game (ADF&G), Habitat and Restoration Division, Northern Region. ADOT&PF's support for applied research is commended and gteatly appreciated. The new water intake structures address both ADF&G's fish intake, entrapment, and impingement concerns and ADOT&PF's operational need for light-weight, readily-deployable structures. The following Alaska Department of Transportation and Public Facilities employeesin particular are acknowledged fortheir financial and technical support and participation. 

### Maintenance and Operations Dwight Stuller, Dalton Area Manager, Dalton Highway Sam Schuyler,Roving Foreman, DaltonHighway Wyatt Wickens, Engineering Assistant, Dalton Highway 

### Environmental Section Eric Gerke, EnvironmentalAnalyst, Northern Region Greg Zimmerman, Environmental Analyst, Northern Region Specialthanks is givento Fairbanks Welding and Fabrication for their assistance

### in fabricating the various prototypes. 

### Contacting the Author Questionsregarding the water intake cylinders or this report should be directedto: Robert 

### F. "Mac" McLean Alaska Department of Fish and Game Habitat and Restoration Division 1300College Road Fairbanks, 

### AK 99708 Tel.: 9071488-0729 FAX: 9071456-3091 E-mail: mmclean@fishgame.state.ak.usAbstract 

### - Light-weight, easily-deployable, four-inch (101.6 mm) and six-inch (152.4 mm) screened aluminum water pump intake cylinderswere evaluated forrisk of fish entrainment, entrapment, and impingement. The intake cylindersincorporate an off-round design, solid bottom, 0.25-inch (6.35 mm) outer screen surface, and a perforated inner aluminum sleeve. The cylinders are designedto rest on the channelbottom in riffle-sections which weaker-swimming fish typically do not occupy. The intake cylinders align longitudinallywith the channel current to facilitate self-cleaning and flushing. Design flows for the four-inch (101.6 mm) and six-inch (152.4 mm) pumps were 600 gpm (37.85 Us) and 1,200 gpm (75.7 Us), respectively. Approach water velocities for the second-generationsix-inch (152.4mm) and f~st-generation four-inch (101.6 mm) pump intake cylinders were non-detectable acrossthe outer screen surface using a pygmy gurley velocity meter. Key Words: Water Intake, Water Withdrawal, Entrainment, Entrapment, Impingement, Mitigation. 

### INTRODUCTION In 1995,the Alaska Department of Transportation and Public Facilities (ADOT&PF), Dalton Highway Maintenance Section, and the Alaska Department of Fish and Game (ADF&G), Habitat and RestorationDivision, Northern Region, initiated a two-year cooperative research effortto develop alternatives to traditionalbox water intake structures. This research was needed to address the identified problems 

### with traditional screened boxes and a joint desire to protect fisheriesresources consistent with the requirements of Alaska Statute 16.05.870. Water intake structuresused by the ADOT&PF and other contractors typically are constructed of heavy-gauge angle iron with galvanized mesh screen. For typical water intake volumes, these structuresare approximately 

### 3 foot (0.91 m) by 3 foot (0.91 m) by 3 foot (0.91 m) 

### in dimension. 

### In shallowwaterbodiesthe boxes can only be installed in naturally occurring deep pools or excavated sumps

### withinthe stream channel. Yet placement ofthe boxes in these locationsincreases the risk of fish entrainment, impingement, and entrapment because most young-of-the-year salmonids occupy backwater and low velocity pool habitats. Traditional water intake boxes are heavy and cumbersometo move, generally requiring two people to off-load or reposition. Due to recent budget cuts to the Northern Region ADOT&PF, only one equipment operatoris available for every 40 miles (64.4 

### km) ofroad. The traditional screenedbox enclosure is no longer practical for existing staffinglevels. 

### BACKGROUND Water withdrawals from fish-bearing waters pose potentialproblems to both 

### adult and - juvenile fish swimmingin the proximity of 

# 4 intake structure. Although most water withdrawals use a screened intake (rock guard) to avoid entraining gravel or debris, the

- - relatively largemesh size allows eitrai&ent of fiy andjuvenile fish into the pump. At high flow rates, 

### the approachvelocity across the screen surface can draw fish 

### up against and hold them againstthe screen surface, resulting in suffocation or physical damage.To avoid impacts, particularly to newly-hatched juveniles and weak-swimming fish, ADF&G encouragesthe following in-priority alternatives to instream, screened water intake structures:
t identify and withdraw water fiom non-fish bearing waterbodies; t use well points, off-channel sumps, and infiltration galleries; and t schedule maintenance and construction activitiesduring time periods when water is plentiful and younger life-stages of fish are not present. In many instances there may not be an alternative to instream water withdrawal. In these instances, various intake design criteriahave been developedby other investigators, largely as off-shoots of fish exclosure designs for water irrigation intakesbased on 

### - 

## - vertical screen faces. 

### A common criteriaadoptedby the Department of Fisheries and Oceans Canada specifies a gross screen area of 10ft.~ (0.929 m2) for each cubic foot per second (cfs) (28.3 Us) pumped for manually cleaned screens. All screens must have at least 50% open areato reduce head loss and minimize velocities at the screen opening (Clay, 1961). After an extensive literature review, ADF&G developedfive differentmaximum screen mesh size and approachwater velocity criteriafor various fish speciesand life stages (Sundberg, 1986). These criteria 

### are presented 

### in Table 1 and range from a conservative approach velocity of 0.1 fps (3.048 cmls) and a 0.04 inch (1.02 mm) mesh screen for newly-hatched whitefish fry to a fairly liberal 2.0 fps (60.96 cds)approach velocity and 0.25 inch (6.35 mm) mesh hardware cloth for adult salmon, whitefish, and Dolly Varden (Arctic char). ADF&G's current criteria (1986 to present) are based on the 

### size and swimming abilities of the fish speciespresent and are enforcedthrough Fish Habitat Permits issued under 

### AK Statute 16.05.870


### ... 16.05.900. 

### In most instances, multiple species and size classes of fish are present in a waterbody and the most restrictive criteria is used. Several problems have been identified by ADOT&PF and other contractors with use of the large screened intake boxes: t the physical shape of traditional screenedboxes requires operators to place the box in habitats known to attract and hold vulnerable fry andjuvenile fish. Because this occurs, ADOT & PF and other contractors are required to use the more restrictive criteria forjuvenile fish. It also placesjuvenile fish at increased risk; t in shallow streams,the large size oftraditional screened boxes requires subexcavation ofthe stream channel bottom to completely submerge the box. This results 

### in additional habitat degradation and potential channel alteration; t large screen faces oriented perpendicular to the water flow are subject to fouling 

### with organic debris and require fiequent cleaning; and t large-screen box structuresare difficultfor one person to physically handle.Six-Inch

### Pump -First Generation. 

### The first generation six-inch (152.4 mm) diameter pump intakeprototype was a 

### 4 ft. (1.22 m) long, eight-inch (203.2 mm) diameter, slotted Schedule40 aluminumpipe placed on-center 

### within a 1.6foot (48.77 cm) diameter, 114- inch (6.35 mm) stainless steel mesh-covered outer sleeve (Figure 1). Inner pipe slot and hole dimensions and spacing were optimized to disperse water flows equally across the distal to proximal length of inner sleevewhile maintaining hydraulic capacity. Cut out dimensions for the innerpipe sleeve are shown in Appendix A in both ft./lb. and S.I. units. The distal end was capped to prevent fish that might congregate in the back eddy that forms at the downstream end ofthe intake cylinderfrom impinging on the screen surface. The first prototype was taken to 

### ADOT&PF's Northern Region annual foreman's meeting in Valdez in Spring 1997for critique and evaluation. Several modificationswere recommended by ADOT&PF field staff 

### and incorporated in the second prototypes.

4 4.0 ft. long b 10.66 ft.diameter inner 

## I 11.6ft. diameter

Figure 1. 

### First Generation Six-Inch Pump Water Intake Cylinder. Six-Inch

### Pump

## - Second Generation. 

### The second generation six-inch (152.4 mm) pump intakeprototype was constructed in 1997. This prototype consisted of a 4.0 ft. (1.22m) long, six-inch (152.4 mm) diameter slotted aluminum pipe (Schedule 40) placed off-center within a 1.3 ft. (39.62 cm) diameterpartially squashed 114-inch(6.35 

### mm) mesh covered outer sleeve (Figure 2). The center pipe was placed 1.3 in. (33.02 mm) above a flat, solid aluminum plate 0.9 feet (27.43 cm) wide by 4.0 ft. (1.22 m) long. The center pipe was separatedfrom the outer screen along its sides and top by 0.35 ft (10.67 cm). The effective outer mesh face was 2.75 ft. (0.84 m) by 4.0 ft. 

### (1.22 m) with 

### an additional screen opening of 0.978 ft.' (908.56 cm2)at the proximal end. Three-by-three stainless steel wire mesh (wire diameter =

### 0.08 in.(2.03 mm); 0.253 in. (6.43 mm) opening) with an 

### effective open area of 57.6% was used for the outer screen covering. Total effective outer screen area was 

### 11.98ft.2(1.1 1m2). Cut-out dimensionsfor the inner pipe sleeve are shown in Appendix B 

### in both ft./lb. and S.I. units. Deployed weight was 71 lbs (32.21 kg).ter screen mesh

to 4 in. long stem (provides pace for cam locks) Figure 2. Second Generation Six-InchPump Water Intake Cylinder. Four-Inch Pump. A four-inch (101.6 

### mm) pump prototype also was constructed in 1997. This prototype consisted of a 4.0 ft. (1.22 m) long, four-inch (101.6 mm) diameter slotted aluminum pipe (Schedule 40) placed off-center within 

### a 1.05 ft. (32 cm) diameter partially squashed 114-inch (6.35 mm) stainless steel mesh-covered outer sleeve (Figure 3). The center pipe was placed 0.75 inches (19.05 mm) above a 0.85 ft. (25.91 cm) wide by 4.0 ft. (1.22 m) long flat, solid aluminum plate. The center pipe was separated fiom the outer screen along its sides and top by 0.35 ft (10.67 cm). The effectiveouter mesh face was 2.2 ft. (0.67 m) by 4 ft. (1.22 m) with an additional screen opening of 0.669 ft.2 (621.50 cm2)at the proximal end. Three-by-three stainless steel wire mesh (wire diameter = 0.08 in. (2.03

### mm); 0.253 in. (6.43 

### mm) opening) 

### with an effective open area of 57.6% was used for the outer screen covering. Total effective outer screen areawas 9.47 ft.2(0.88 m2). Cutout dimensions for the inner pipe sleeve are shown in Appendix C in both ft.1lb. and S.I. units. Deployed weight was 34 lbs. (15.42 kg).

ter screen mes

0.85 ft. by 4.0 ft. Solid Plate 4 in. diameter male or female' cou~ler on 3 in. lonrr stem 1 I 

## - (provides space for cam locks) Figure 3. First Generation Four-Inch Pump Water Intake Cylinder.

### Field Test Methodology. Prototypes were field evaluated for pumping capacity and screen approach water velocities. All testing was completedby ADF&G and ADOT&PF staff at the Fairbanks InternationalAirport float plane pond. Approach water velocities were measured immediately adjacentto the outer screen mesh surface with a Teledyne Gurley Model 625F Pygmy water current meter rated to measure velocities between 0.05 fps (1.5 cds)to 3.0 fps (91.44 cds). A six-inch (152.5 mm) by six-inch (152.4 mm) Gorman-Rupp self-priming centrifugal pump, Model CE6A60-4039D diesel pump was used fortesting the six-inch (152.4 mm) diameter first and second generation pump intake cylinders. The cylinder

### was tested at a rated pumping capacity of approximately 1,200 gpm (75.7 Us). The four-inch (101.6 mm) diameter first generation pump intake cylinder was tested using a Wacker PT4B gasoline centrifugal trash pump 

### with a maximum rated capacity of 740 gpm (46.68 Us). Estimated rated pumping capacity during testing was 600 gpm (37.85 Us). Performance curves for both pumps are provided in Appendix 

### D. 

## RESULTS First GenerationSix-Inch Cylinder: 

### The first generation six-inch (152.4 mm) pump intake prototype was field tested on July 23, 1996, at the Fairbanks International Airport float plane pond. Approach water velocities were non-detectable with the pygmy gurley water velocity meter at the proximal end ofthe cylinder and 

### within the center one-third of the cylinder. Approach water velocities at the distal end adjacentto the 1-518inch (41.28 mm) circular holes inthe inner pipe sleeve fluctuated between below detection to a maximum of 0.17 fps (5.18 cds). Water was pumped through the screened intake for approximately 40 minutes. During 

### this period, slight organic fouling of 

### the screen surface was noted on the bottom half of the distal 113 segment. 

### Second Generation Six-Inch Cylinder: The second generation six-inch (152.4 mm) pump intakeprototype was field tested on August 25, 1997. These tests also were conducted at the FairbanksInternational Auport floatplane pond. Approach water velocities across the entire screen surface were non-detectable 

### with the pygmy gurley water velocity meter. A 2 ft. (60.96 cm) by 1

### ft. (30.48 cm), 1.5millimeter thick plastic garbage bag was placed over the outer screen in the proximal 113 segment,

### the middle 113 segment, and the distal113 segment ofthe intake cylinder. The plastic bag reduced the effective screen surface by approximately 17%,yet did not adhere finnyto the screen surface intheproximal 113 and middle 113 segments. In the distal 113 segment, the plastic bag adhered to the screen surface but dislodged readily when tugged gently by hand. To further evaluatethe distal 113 segment, grass blades approximately 0.5 

### ft. (15.24 cm) long were placed againstthe screen. Inducing a slight current (running my hand underwater or moving through the water column adjacent to the intake cylinder in my hip boots) washed the grass blades off the screen surface. The cylinder was elevated to the water surface so that the top ofthe cylinder was just covered by water. This test was designedto mimick actual field conditionswith a maximum channel water depth of 1.3 ft. (39.62 cm). At 

### fullpumping capacity, no cavitationwas observed. Water was pumped through the screened intake for approximately 25 minutes. Although the float pond had some floating and benthic organic debris (leaves, sedges, and upland grasses), no organic fouling ofthe screen surface was noted during the test period. First Generation Four-Inch Cylinder:The four-inch (101.6 

### mm) pump intake .- 

### - prototype also was fieldtested inAugust 25, 1997, at the Fairbanks International Airport float plane pond. Approach water velocities across the entire screen surfacewere non-

A A A detectable 

### with the pygmy gurley water velocity meter. A 1.5ft. (45.72 cm) by 1

### ft. (30.48 cm), 1.5 millimeter thick, plastic garbage bag (a portion ofthe original plastic bag used in the six-inch test) was placed over the outer screen in the proximal 113 segment, the middle 113 segment, and the distal 113 segment of the intake cylinder. The plastic bag reduced the effective screen surface by approximately 16%,yet did not adhere firmly to the screen surface in any of the segments. A sweep of the hand underwater near the cylinder readily sweptthe plastic bag away komthe screen surface and it floated away in the water column. To further evaluatethe cylinder, grass blades approximately 0.5 

### ft. (15.24 cm) long were placed against the screen. Inducing 

### a slight current (running my hand underwater or moving through the water column inmy hip boots) washed the grassblades offthe screen surface. The cylinder was elevated to the water surface so that the top ofthe cylinder was just coveredby water. This test was designed to mimick actual field conditions with a maximum channel water depth of 1.05ft. (32 cm). At fullpumping capacity, no cavitationwas observed. Water was pumped through the screened intake for approximately 20 minutes. Although the float pond had some floating and benthic organic debris (leaves, sedges, and upland grasses),io organic fouling of the screen surface was noted during the test period.

### DISCUSSION The cylindrical water intake structuresare designed for installationin shallow, swift portions offlowing waterbodies which Group A and 

### B fiy andjuvenile fishtypically do not use as preferred habitats. The cylinders are designed to align parallel 

### with the stream current. This maintains flushing flows along the length of the screen thereby minimizing fouling and potential impingement of fish against the screen surface. Correctly positioned inportions of flowing waterbodies where Group A and 

### B fiy and juvenile fish are not present, the 114inch (6.35 

### mm) screen meets ADF&G's mesh requirements for Group C (yearling), 

### D, and 

### E fish. Installation ofthe intake cylinder in waters containing Group C young-of-the-year coho, chinook, sockeye, or Dolly Varden (Arctic char) immediately after their emergence from the gravels in the spring will require wrapping the cylinder

### with 0.1 in. (2.54 

### mm) mesh hardware clothto prevent entrainment of fish through the screen. Installationof the intake cylinder in pools or sluggish waters containing Group A and 

### B fishrequires wrapping the cylinderwith 0.04 in. (1.02 

### mm) hardware cloth. Thiswill reduce the effective screen area. Further testing is needed to evaluate impacts onpumping rates and effective approach water velocitiesusing smaller mesh sizes. 

## FLTTIJRE DEVELOPMENT AND 

### TESTING A third generation six-inch (152.4 mm) diameterpump water intake cylinderhas been constructed using 118 inch thick aluminum pipe in lieu ofthe Schedule 40 pipe used in the first and second generation prototypes. All other design criteria for the third generation cylinder were identical to the second generation cylinder. Deployed weight of the third generation cylinder is 25.4 lbs. (1 1.52kg). Field testing will occur in Summer 1998. Prototype units have been deployed to ADOT&PF field maintenance camps for further testing in 1998. Additional protypes using a 0.1 inch (2.54mm) mesh outer screen surface will be developed in 1998and evaluated. We are attempting to obtain a velocity meter with a lower minimum detection limit and greater precision to complete additional testing in 1998.

### LITERATURE 

### CITED Clay, C. 

### H. 1961. Design of Fishways and Other Fish Facilities. Department of Fisheries and Oceans. Ottawa, Canada. 301 p. Clemson University. 1993. The Clemson Beaver Pond Leveler. Department of Aquaculture, Fisheries, and Wildlife. Clemson, South Carolina. 

### AFW Leaflet 1.7 p. Sundberg, 

### Kim. 1986. Rationale for (Proposed) Water Intake Standards 

### (5 AAC 94.270) For Water Withdrawal Operations. Alaska Department of Fish 

### and Game, Habitat Division. Juneau, 

### AK. 8 p.Figure 4. 

### Photographif

### Second Generation Six-InchPumpwater Intake Cylinder.

lgure 3. 

### rnotograph ofFirst 

### tienerahon Pour-Inch Pump 

### Water Intake Cylinder.

## APPENDIX A Inner Pipe Sleeve Cut-Out Diagram for First Generation Six-Inch Pump Water Intake Cylinder

# First Generation Water Intake Cylinder Cut-Out Diagram for Pipe Sleeve 

# (S.I. units)

A

635 mm 

## < 1,219.2 

### mm 

## > 

# T' I 

### 'r 50.8mm 101.6 mm ~12.7mm 

# 0 0 

# ofrnm

3 

### t 254 mm 203.2 mm 3 127mm 254 mm 

# * 

# i
+ 6. 101.6 mm 

# O$.28 m.0 101.6 tmm3' 

# I

It 152.4mm 31 

### t 1651mm 3 l 127mm 3 t88.9 mm lt101.6mm3l 

### t 152.4mm 

# -
It 152.4mm 3

### I t 114.3 mm 

# 0 3 

# 0 

# oT 

# -

127 mm 

### t 190.5mm +'t 127 mm 9 

# - 0 

# ol
t139.7 mm3
P 

# 'r
I27 mm



# I 

# -

76.2 mm 

# 0 0 

# o+

101.6mm J. J. 

### Proximal 

### End 

## 8 

# Inch (203.2 mm) Diameter Aluminum Pipe Distal End

## APPENDIX B Inner Pipe Sleeve Cut-Out Diagram for Second Generation Six-Inch Pump Water Intake Cylinder-~~
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## APPENDIX C Inner Pipe Sleeve Cut-Out Diagram for First Generation Four-Inch Pump Water Intake CylinderSpecification 

### Data PAGE 1530 

# 1

s==-45 

# 1 o& 13.lS33 ACE 

# Self Priming Centrifugal Pump Diesel Engine Driven 

## Model CE6A60-4039D OORMAlWlllPP 

## Size 6" 

## x 6" 

# I I

.

# - .-. Total Head

PUMP SPEClFICATlONS Sii 6' [I524 rnm] x 

### r [1524 rnrn] N.m.-kmb -Gray IrnNO.30

(MaximUmOW- Reoua90 @. 1620 kPa]) ImcellerOpenType, Two Vanes, OuCtile lron NO. 6134-18 ENGINE SPECIFICI\TIONS (Hwdlas3' 1762 mm] Di SOherical Solids) MMel: Jdm Dwm 40390 IwbrShahStaPllen Steel NO. 174PH Wear~Stee(NO.10aS Ty~g FMWinder. Far Cyda PlateRemovable Gray NO. 30 (M It6 [27 kg.]) LiguidCOOledDiiEngi I~BracLet:OraylrnNo.30 Dii 239 CuIn. [3SL] searPl&GAylnnNo.30 Oovema:~

. . W: Meblanlcal OiCLubriCatedDcuble FlcefingSelfSJigning. LubncatKn:FacglCimdation RoQtinJand St3ihaty Facesam SlimCarbide. Air Cleaner DlyType ~SeatisStainle~Stee(NO.316. Oil !+serwir: 9 US Qwis18.5 L] Rastomer~amViCageandSpringare F& T& 389 US. Oai!uls (1472 L] StainlessSte4 No. 184. Marimurn~empemwe operafins limg Full Load: 13.M Houm d Liquid RMped is 160°F [n"q.* St- 12Von Elecaic ' C~suit IclWytor aPP,icafiW with liquids in Sladard Features excessof lempwatwe indicated. Safety~DownSwitchesforLowOilPrenwe ShaflSlsave:Alloy S&d No. 4130 and High CoolantTemperalum Flap Val= NaopenewithSteel Reinfadng Radial BearingOpen Bail lnsln~ment with Temp. Gauge. Oil penure Th6tBearingOpen DoubleWl Gauge, Amm.Hcurrmw &Tachometer Bearng Won: Oil Mufnerwith Guard and Weather Cap mans Gray Inn Na30 Compes+ed Synthetic Fi- Teflm 0-Ri- Bum4 JOHN DEERE PUBLISHED PERFORMANCE: randard med steal ZEZfquipmcm Max. COnt. B.H.P. 71 @ ZCQ RPM Hcisling Bail Skidease Ma. Dyn. B.H.P. 80 @ 25Ml RPM 90° DisdargeElbow Sbainer

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### -tm ATMOSPHERE OR FOR PUMPING {,% Over lheRoad Trailer (Me- D.O.T. Requiremgm) /ruaempered hrcPile Iron Inpaler HardmdSteel Wear Plate 

### THE GORMAN-RUPP COMPANY MANSFIELD, 

### OHIO lalwMm= GORMAN-RUPP OF CANADA UMITEO mTHOMAS. ONTARIO. CANADA -mu- @ 

### m me Garrm-Rup~ CDmpany 1993

D-3 . RSJ. 58 52 30 35 26 17 i : 2 -2 

# -

138 120 100 80 60 40 CAPACITY OF PUMP IN US. GALLONS PER MINUTE AT CONllNUOUSPERFORMANCE

SUcriOflUR 460 5P 660 750 795 810 25' 460 650 785 920 1030 1065 20' 460 745 960 1090 la5 1275

15' 460 745 1090 1300 1370 1435

10' 460 745 lOs0 1340 1465 1565

5'