Bamboo Water Garden

8/10/2019 Bamboo Water Garden

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PROJECT PLAN

Bamboo watergardenThis article originally appeared in The Family Handyman magazine. For subscription

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50 APRIL 2002 THE FAMILY HANDYMAN


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THE FAMILY HANDYMAN APRIL 2002 51

Make it from mail-orderbamboo delivered rightto your door

by Travis Larson

If it seems like your storybook garden is still lackingsomething, the soothing sound of running watercould be it. But you dont have to settle for some

kitschy plastic-resin waterfall for the missing ambiance.The answer may be your ownversion of this Japanese sluicemade from real bamboo.

This simple weekend projectdoesnt involve much skill ortime. In fact, I built this ver-sion the same day we tookthese photos. You too can n-ish this project in a single day.Add another day for installinga small pond, pump and waterplants to make this a weekendproject.

You dont have to be particularly handy or have a shopfull of tools either. About the only tools youll need are a jigsaw for cutting in the spout hole (Photo 10 ), a maul forpounding in the support stakes ( Photo 5 ) and a hacksaw for cutting the bamboo to length ( Photo 3 ).

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Cost$200 to $350Time1 to 2 daysSkill LevelA novice can do itToolsHacksaw, jigsaw,3-lb. maul,4' level, drill

Project Facts

Spout

Sluices

Pond andrecirculating

pump

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Whereto startand end itIf you already have a

pond in your yard, you can use it as thecatch basin for thesluice. If not, youllneed to either installa small pond liner (about $30 atgarden or home centers) or use anabove-ground basin like a whiskey barrel or even a livestock trough.

The best way to design and planis to begin at the bottom and work

your way away from the pond.Figure about a 6-in. slope on each10- to 12-ft. bamboo sluice section.Gardens on gently sloping hills arebest. If your hill has a steep slope, youll have to incorporate more of azigzag design to mitigate the slope;otherwise, the water will ow toofast. The sluices on steep hills workthe same way as switchback roadson a steep mountainside. Flatgardens will work too, but youllhave to use ever-higher supports tocreate an articial slope. However,every time you add a support, thenext sluice will be about 6 in.higher, so after just ve sections,the sluice rises 2-1/2 ft., plus thestarting height.

Choose sluice section lengths tosuit your yard. Its strictly a what-looks-best, seat-of-the-pants designmethod that develops as you build

the system. Get an idea of routingand sluice lengths by laying outsections of bamboo on the groundrst (Photo 2 ). You may only need

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1 DIG the pond hole slightly oversized and set the pond liner on a 2-in.bed of sand in the hole. Keep the lip of the liner slightly above thesurrounding soil to keep dirt from washing into the water. Fill aroundthe liner with sand to support the sides.

2 LAY OUT the path of thesluice with lengths of splitbamboo so the approximateslope of each is 6 to 12 in. every 10 ft.Vary lengths and angles to best fityour garden or yard. Overlap thebamboo as necessary to work outthe best bamboo lengths.

4" SPLITBAMBOO

1" CRUTCHMATERIAL

KEEP LIPABOVEGRADE


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sections a couple of feet long toroute around rocks or make hairpinturns, and then use half or fulllengths for longer, straighter runs.

As you assemble the sluices, work your way away from the pond; runwater from the garden hose to checkwater ow (Photo 7 ). Thatll help you decide if the slopes are toosteep or shallow and if you like thedirection. Dont worry if you donthave the whole thing gured outahead of timenothing is perma-nent. Mistakes are easily remediedby simply pulling the crutches(Photo 5 ) out of the ground andrepositioning things.

Ordering bamboois a snapWe ordered our bamboo from acompany we found on the Internetcalled Bamboo Hardwoods. (SeeBuyers Guide, p. 59, for mail-orderbamboo suppliers.) I made one call,used my credit card and the bamboo

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5 CUT the end off a 3-ft. length of 1-in. bamboo at an angle and drive itinto the ground at a 45- to 60-degree angle. (Youll get the idea afterthe first one.) Lift the sluice to its approximate level to determine thecorrect crossing point for the second stake. Drive in the second pair of stakesat the top of the sluice using the same technique.

3 CUT the discharge end of each sluice at about a30-degree angle with a hacksaw. Cut off the uphillend a foot or so longer than where the next sluicewill drain into it.

4 KNOCK OUT the nodes with the claw end of ahammer up to the point where the water will pourinto the sluice. Leave the nodes intact above thatpoint to keep water from draining out the back endespecially important for low slopes (see Photo 7).

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APPROXIMATE30-DEGREE

ANGLE

NODE

NO. 8COPPER WIRE

3-LB.MAUL

MAULER

LEAVE NODESINTACT BEHIND

WATER INLET

CRUTCH


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was at the front door a week later.The company you order from willsplit (rip down the middle) thesluice pieces for you for a few bucksextra. For each sluice section, youll

need a split 4-in. diameter pieceand four 1-in. supports for thecrutches. Although you can ordershorter lengths, all the pieces typically come about 10 to 12 ft. long. If yourefollowing a hill, youll get threecrutch pieces out of one 10-ft. long,1-in. diameter piece. But order moreif youre creating your own hill withhigher and higher crutches. For thefountain at the top of the hill, ordera 4-ft. length of fully round 4-in.bamboo for the base and another4-ft. long, 2-in. diameter piece for thespout. Thatll give you extra materialin case you make a mistake. To get arough idea of how many pieces andwhat diameter are needed, lay out thesluice path with a garden hose andmeasure each length.

This sluice cost about $320(including shipping) for all thebamboo materials in this project,with several extra pieces left over.Order a few extra to cover for miscal-culations or mistakes. Also buy No. 8bare copper grounding wire forwrapping each crutch (about 10 perfoot at home centers). Figure onabout 2 ft. of wire per crutch.

Tricks forworking withbambooBamboo is as hard as a rock and itlldull the teeth of saw blades designed

7 DRIVE the downhill crutchof the next sluice into theground. Use a garden hose tocheck the water flow for positioningthe uphill crutch. Continue workingyour way up the hill with the rest ofthe sluices and crutches.

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CUT OFF

2 ft. of No.8 copper

wire and wrap thecrutch legs tightly

together withfive or six tight

windings.

6 NO. 8COPPER WIRE

LEAVE NODESABOVE INCOMING

WATER

CRUTCH

TEST FLOW

DOWNHILLCRUTCH

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for wood. But hacksaws are builtto cut metal and theyll make shortwork of bamboo cuts. When bam-boo is fully round, its susceptible tosplitting as it dries. Because thesluices are already split, they shouldstand up for years. But fully round,larger diameter parts like the spoutare likely to split fairly soon. Youcan prevent it by wrapping severalcoils of copper wire tightly aroundthe pieces. The wire will also holdsplit pieces together. Use the samewire to hold the crutches togetherafter the supports are pounded intothe ground. If you need to move acrutch after its been wrapped, youcan pull the whole assembly out of

8 CUT the top off a 4-in. full diameter length ofbamboo just above a node (so water wont collectin the top; Photo 12). Then measure and cut off alength for the spout base thats 12 in. longer than theheight of the last sluice. Knock out all the lower nodeswith a piece of 2-in. PVC pipe.

9 CUT a 45-degree angle on the bottom of thePVC and drive it about 8 in. into the ground justbehind the last sluice (Photo 8). Slip the spoutbase over the PVC pipe and trace around a 12-in. lengthof 2-in. bamboo to mark the hole for the spout.

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10 DRILL a 3/8-in. pilot holeand cut out the spout holewith a jigsaw fitted with afine-tooth blade. Shave the holeedges with a sharp utility knife untilthe spout fits snugly into the hole.

BOTTOM OF

SPOUT BASE

2" PVC PIPE(FOR SUPPORTING

SPOUT BASE)BASE SUPPORT

2"SPOUT

1 2 "

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the ground and pound it in by slight-ly scissoring it closed and poundingboth sides into the ground. Thecrutch will reopen as it sets.

Two tips formaking it lastBamboo is naturally durable buthere are two tips to help it last evenlonger. After the projects completedand tested, let it dry and coat all thesurfaces with a clear, exterior oil-based sealer. (Run the fountain afew days and change the waterbefore placing any water plants.)And if you live in a cold climate,store the sluice sections out of theweather during the winter.

12 SLIP the spout base over the PVC pipe andscrew it to the PVC with a couple of 2-in.drywall screws. Slide the spout into the base.11DRILL a 1-in. hole near the bottom and threadthe water line up through the bottom hole andout through the spout hole.

13 ESTIMATE the overall riseby sighting along the topof a 4-ft. level to get aneyeball benchmark up the hill. Thebenchmark can be a stone or a stickor whatever. Then go up the hill andrepeat the sighting from that bench-mark until you reach the fountainheight. The distance from your eyeto your feet is what youll be addingto the benchmark-to-spout distancesto get the overall rise.

PINCHVALVE

SPOUT

2" PVC

2" SPOUT

LEAVETOP NODE

INTACT

DRYWALLSCREWS

PINCHVALVE

A + B =PUMP HEIGHT

CAPACITY

B

A

A + B =PUMP HEIGHT

CAPACITY

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Art Direction BECKY PFLUGERPhotography BILL ZUEHLKEDesign G. L. FLEMING, FLEMING DESIGN

Sizing the pumpThe determining factor in getting the right pump isnt how big it is orhow much water it will pump, but rather how high it will lift the water.Once the sluice is in and the fountains built at the top of the sluice, youllneed to measure the overall elevation rise from the pumps position inthe pond to the top of the fountain (Photo 13). Thats how high the pumphas to lift the water. When you go to a nursery or home center to buy apond pump, look at the label on the box. Itll tell you the maximum heightthe pump will lift. Select the rst size that lifts higher than your measure-ments. Buy enough waterline to comfortably reachfrom the pump to the spout.A small pinch valve (Photo12) on the hose before itenters the spout will let you

adjust the water ow for theperfect garden ambiance.

ELEVATE the pump by using the pond ledges or a couple of bricks tokeep it up out of the sand and sludge. Plug the pump into a GFCI-protectedoutlet. Use stronger corrugated water lines if youre burying the lineunderground or are concealing it under heavy stones.

Buyers GuideBamboo Hardwoods, Seattle, WA.(800) 783-0557. www.bamboohardwoods.com

Bamboo & Rattan Works, Lakewood, NJ.(732) 370-0220. www.bambooandrattan.com

Franks Cane & Rush Supply, Huntington Beach,CA. (714) 847-0707. www.franksupply.com

PUMP

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Documents

Bamboo Water Garden