machinery · pipe systems - superplastic11 agrosil 2500 machinery · pipe systems pipe range agrosil...

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Machinery · Pipe Systems

MULTI-PURPOSE PIPE

• Multi-purpose pipe (MP)

• DN 200/250/315/355

• In accordance with DIN 4262-1Typ R2 (Form D)/SD

• Colour: black

• Cellular construction – smooth inside, corrugated outside

• Including a profile sealing ring at each end in the secondfactory-set double sliding socket joint

• Perforation in the upper part area symmetrically to thevertical pipe axis at an angle of 120°

• Coloured crown marking

• Perforation width 0.8 to 1.4 mm

• Minimum water inlet surface 50 cm2/m

• Pipe length (without joint): 6 m

UNPERFORATED PIPE

• Unperforated multi-purpose pipe (UP)

• DN 100/160/200/250/315/355

• In accordance with DIN 4262-1Typ R2 (Form D)/SD

• Colour: black

• Cellular construction – smooth inside, corrugated outside

• Including a profile sealing ring at each end in the secondfactory-set double sliding socket joint

• Pipe length (without joint): 6 m

• A specially developed sealing ring guarantees water tightness under DIN 19527 (c. 1.0 – 1.4 bar)

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MATERIAL

AGROSIL 2500 pipes are made of PE-HD in accordance withDIN 4262-1 Annex B.PE-HD is a high-quality plastic with excellent mechanicalproperties (high impact strength), good chemical-biologicalresistance and best wear resistance. Its many years of provenefficiency in practice make it a safe and reliable materialfor drainage technology. Chemical resistance in accordancewith leaflet 1 to DIN 8061.Sealing rings for MP and UP pipes made of EPDM.

APPLICATION

Drainage tasks in the whole range of traffic engineering(road and motorway construction, railway construction,road building for farms and woodlands) and for civilengineering works.In landfill construction for covering and remediation on theedges.

QUALITY REQUIREMENTS

AGROSIL 2500 drainage pipes in accordance withDIN 4262-1 are subjected to continuous quality monitoring:

• Internal monitoring and documentation of the results by our own quality laboratory

• External monitoring through SKZ (Süddeutsches Kunst-stoffzentrum - ”South German Plastics Centre“) inWürzburg

MARKING

Every AGROSIL 2500 pipe has the following minimummarkings:• DIN 4262 Part 1• TYPE R 2 (Form D)• DROSSBACH-AGROSIL 2500• SKZ• Production year/Quarter• PE-HD• Nominal width

SOCKET JOINT

All AGROSIL 2500 pipes are supplied with a factory-set doublesliding socket joint. The moulded fittings for AGROSIL 2500pipes have factory-formed joints. The joints are fixed ontothe drainage pipes by means of snap-in studs.With the multi-purpose pipes (MP) and unperforated multi-purpose pipes (UP) a profile sealing ring is fitted in the factoryonto the second trough. Thanks to the moulded parts withwelded sleeves in combination with the sealing ring on thepipe they can be laid as watertight pipelines.

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PIPE RANGE AGROSIL 2500 DRAINAGE PIPES

DN Perforation Article no. Pallet contents No. pipes Internal External Drain Delivery lengthx 6 m diameter diameter cross-section with double

acting fitting(useful length 6 m)

m piece per pallet mm mm cm2 mm

100 TP 621 30 100 648 108 100.0 120.0 78.5 6100LP 621 20 100UP 622 32 100

160 TP 621 30 150 288 48 150.0 177.0 176.7 6130LP 621 20 150UP 622 32 150

200 TP 621 30 200 138 23 198.0 232.0 307.9 6230LP 621 20 200MP 621 21 200UP 622 32 200

250 TP 621 30 250 96 16 248.0 289.5 483.1 6180LP 621 20 250MP 621 21 250UP 622 32 250

315 TP 621 30 300 54 9 296.5 345.0 690.5 6170LP 621 20 300MP 621 21 300UP 622 32 300

355 TP 621 30 350 54 9 347.0 398.0 945.7 6280LP 621 20 350MP 621 21 350UP 622 32 350

With DN 315 DROSSBACH cansupply a very well-graded rangeof pipes, in particular in the uppernominal width range!

MOULDED FITTING RANGE

C. AGROSIL 2500 DRAINAGE PIPE

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T-PIECE

Article no. DN D3 (mm) Le (mm) L2 (mm)621 58 100 100 122.1 90 185621 58 150 160 179.6 130 300621 58 200 200 235.6 160 336

T-PIECE SS

Article no. DN D1 (mm) D2 (mm) D3 (mm) le (mm) L2 (mm) L4 (mm)621 58 250 250 247.0 290.5 293.1 170 510 110621 58 300 315 295.0 345.0 349.1 190 625 130621 58 350 355 344.0 398.2 403.1 190 625 130

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T-PIECE WITH REDUCER

Article no. DN D3 (mm) D17 (mm) le (mm) le 1 (mm) L2 (mm) L3 (mm)621 58 151 160/100 179.6 122.1 130 90 300 50.0

621 58 201 200/100 235.6 122.1 160 90 335 50.0621 58 205 200/160 235.6 179.6 160 130 335.6 50.0

621 58 257 250/100 293.1 122.1 170 90 500 50.0621 58 251 250/160 293.1 179.6 170 130 500 50.0621 58 256 250/200 293.1 235.6 170 160 500 50.0

621 58 310 315/100 349.1 122.1 190 90 500 50.0621 58 311 315/160 349.1 179.6 190 130 500 50.0621 58 313 315/200 349.1 235.6 190 160 500 50.0621 58 314 315/250 349.1 293.1 190 170 500 50.0

621 58 357 355/100 403.1 122.1 190 90 500 50.0621 58 351 355/160 403.1 179.6 190 130 500 50.0621 58 358 355/200 403.1 235.6 190 160 500 50.0621 58 359 355/250 403.1 293.1 190 170 500 50.0621 58 360 355/315 403.1 349.1 190 190 550 50.0

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BEND 45o SS

Article no. DN D3 (mm) le (mm) L1 (mm) L 4 (mm)621 54 100 100 122.1 90 212 170621 54 150 160 179.6 130 319 249621 54 200 200 235.6 160 362 275

SEGMENT BEND 45o SS

Article no. DN D1 (mm) D2 (mm) D3 (mm) le (mm) L1 (mm) L4 (mm)621 54 250 250 247.0 290.5 293.1 169 398 267621 54 300 315 295.0 345.0 349.0 190 456 315621 54 350 355 344.0 398.2 403.1 190 450 290

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BEND 90o SS

Article no. DN D3 (mm) le (mm) L1 (mm) Z (mm)621 53 100 100 122.1 90 232 173621 53 150 160 179.6 130 334 255621 53 200 200 235.6 160 422 325

SEGMENT BEND 90o SS

Article no. DN D1 (mm) D2 (mm) D3 (mm) le (mm) L1 (mm) L3 (mm) Z (mm)621 53 250 250 247.0 290.5 293.1 170 400 320 640621 53 300 315 295.0 345.0 349.1 190 434 385 760621 53 350 355 344.0 398.2 403.1 190 450 410 690

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BRANCH 45o SS

Article no. DN D3 (mm) D17 (mm) le (mm) L2 (mm) L3 (mm)621 54 101 100/100 122.1 122.1 90 198 198621 54 152 160/160 179.6 179.6 130 300 300621 54 202 200/200 235.6 235.6 160 335 335621 54 254 250/250 293.1 293.1 170 510 255621 54 309 315/315 349.1 349.1 190 625 310621 54 353 355/355 403.1 403.1 190 625 310

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BRANCH 45o WITH REDUCER SS

Article no. DN D3 (mm) D17 (mm) le (mm) le 1 (mm) L2 (mm) L3 (mm)621 59 204 160/100 179.6 122.1 130 90 300 198621 59 210 200/100 235.6 122.1 160 90 335 198

621 59 207 200/160 235.6 179.6 160 130 335 300

621 59 257 250/100 293.1 122.1 170 90 500 198621 59 256 250/160 293.1 179.6 170 130 500 300621 59 252 250/200 293.1 235.6 170 160 500 335

621 59 631 315/100 349.1 122.1 190 90 500 198621 59 303 315/160 349.1 179.6 190 130 500 300621 59 308 315/200 349.1 235.6 190 160 500 335

621 59 356 355/100 403.1 122.1 190 90 500 198621 59 351 355/160 403.1 179.6 190 130 500 300621 59 355 355/200 403.1 235.6 190 160 500 335

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DOUBLE SLIDING SOCKET JOINT

Article no. DN D3 (mm) Le (mm)621 50 100 100 122.1 90621 50 150 160 179.6 130621 50 200 200 235.6 160

Article no. DN D3 (mm) Le (mm)621 50 251 250 293.1 170621 50 301 315 349.1 260621 50 351 355 403.1 255

END COVER

Article no. DN D3 (mm) le (mm) L1 (mm)621 56 100 100 122.1 50 75621 56 150 160 179.6 70 110621 56 200 200 235.6 95 150

Article no. DN D3 (mm) le (mm) L1 (mm)621 56 250 250 293.1 165 425621 56 300 315 349.1 255 600621 56 350 355 403.1 260 600

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REDUCING SOCKET JOINTS

Article no. DN D3 (mm) D17 (mm) le (mm) le1 (mm) L1 (mm) L2 (mm)621 56 415 160/100 179.6 122.1 70 90 110 70621 56 421 200/100 235.6 122.1 95 90 150 70621 56 420 200/160 235.6 179.6 95 130 150 70

Article no. DN D3 (mm) D6 (mm) le (mm) le1 (mm)621 56 424 100/250 293.1 122.1 165 90621 56 438 100/315 349.1 122.1 255 90621 56 355 100/355 403.1 122.1 260 90

621 56 425 160/250 293.1 179.6 165 130621 56 434 160/315 349.1 179.6 255 130621 56 356 160/355 403.1 179.6 260 130

621 56 426 200/250 293.1 235.6 165 160621 56 430 200/315 349.1 235.6 255 160621 56 352 200/355 403.1 235.6 260 160

621 56 433 250/315 349.1 293.1 255 255621 56 353 250/355 403.1 293.1 260 260

621 56 354 315/355 403.1 349.1 260 260

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TRANSITION TO KG

Article no. DN D3 (mm) D19 (mm) le (mm) L1 (mm)621 57 100 100 122.1 110.4 90 100621 57 150 160 179.6 160.5 130 120621 57 200 200 235.6 200.6 160 130

SHAFT LINING

Article no. DN D1 (mm) le (mm)621 51 100 100 122.1 94621 51 150 150 179.6 132621 51 200 200 235.6 160

Article no. DN D1 (mm) le (mm)621 51 250 250 293.1 168621 51 301 300 349.1 259621 51 350 250 403.1 235

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PROFILE SEALING RING

Article no. DN683 96 100 100683 96 150 160683 96 200 200683 96 250 250683 96 300 315683 96 350 355

FROG FLAP

Article no. DN Length621 55 100 100 1 m621 55 150 160 1 m621 55 200 200 1 m621 55 250 250 1 m621 55 300 315 1 m621 55 350 355 1 m

FROM STANDARD TO INDIVIDUAL

D. AGROSIL-CONTROLLER

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SHAFT BODY

• Shaft body, DIN 400, with continous PE-HD channel

• Welded construction on 3-layer cellular design

• With up to 4 connection pieces in freely selectable nominalwidths for connection pipes type R 2 (Form D) in accordancewith DIN 4262-1 and sleeve for connector pipe.

• Where required, DN 100 to DN 300 sleeves can be weldedon for connection with KG pipes.

Section A-A Top view

3-layer cellular construction

welded connections

PE-HD sheet 10 mm

Optional sleeve for AGROSIL 2500DN100, DN 160, DN 200,DN 250, DN 315, DN 355with DN 100 to DN 300 sleeve KG possible

APPLICATION

AGROSIL-CONTROLLER serves in systems for collecting anddischarging percolating water in road construction (motorway,road and rail construction), in general civil engineering worksfor connecting several pipe runs, and for checking, cleaningand carrying out camera inspection and high-pressure flushingmeasures.

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• Easy to install

• No heavy-duty laying equipment necessary

• The body is in the earth away from traffic loads

• Easy to clean

• Camera inspections possible

• Tested quality - monitored internally and by outsideagencies

• Optimum chemical resistance (PE-HD)

• High ageing resistance

• Optimum wearing resistance

• Variable connections possible

HIGHLIGHTSHIGHLIGHTS

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SHAFT VERSIONS - STANDARD SHAFT VERSIONS -CUSTOMISED PRODUCTION

Basic body with DN Outlet Article no.1 Outlet 355 620 204 062 Outlets 180° 355 620 204 032 Outlets 90° 355 620 204 053 Outlets 355 620 204 044 Outlets 355 620 204 20

1 Outlet 250 620 204 102 Outlets 180° 250 620 204 022 Outlets 90° 250 620 204 183 Outlets 250 620 204 074 Outlets 250 620 204 21

1 to 4 outlets DN 100/160/200/315 with sleeves forAGROSIL 2500 or KG can be supplied on request.

The welded construction means that any nominal widthand connection configuration is possible!

Ask about our special customised production - short deliveryperiods are possible!

Top view

Section A-A 2 Outlets 180o

Measurements may vary slightly

Top view

Section A-A 2 Outlets 90o


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Top view

Section A-A 3 Outlets


Top view

Section A-A 4 OutletsMeasurements may vary slightly

Top view

Section A-A 1 OutletMeasurements may vary slightly

MAIN AND CONNECTIONDIMENSIONS

THE UNIVERSAL

E. VARIODRÄN

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• Shaft body DN 400 with PE-HD sand trap

• Moulded part with 3 connection pieces for KG pipe withsleeve (DN 100 and DN 160) or tapered end (DN 200)

and sleeve for connector pipe (see p. 27 for connectionoptions).

• AGROSIL 1000 type C1 (Form F) and AGROSIL 2500 typeR2 (Form D) pipes can be connected with adaptors.

• Where required, sleeves for connecting AGROSIL 2500type R 2 (Form D) drainage pipes in accordance with

DIN 4262-1 can be welded on.

VARIODRÄN serves in systems for collecting and dischargingseepage water in road construction (motorway, road andrail construction), in general civil engineering works forconnecting several pipe runs, and for checking, cleaningand carrying out camera inspection and high-pressureflushing measures.

AGROSIL 2500 sleeve · DN 100AGROSIL 2500 sleeve · DN 160AGROSIL 2500 sleeve · DN 200

Tapered end KG · DN 200Sleeve KG · DN 160Sleeve KG · DN 110

Custom-made designs

HIGHLIGHTSHIGHLIGHTS

• Easy to install

• No heavy-duty laying equipment necessary

• The body is in the earth away from trafficloads

• Easy to clean

• Camera inspections possible

• Tested quality - monitored internally andby external agencies

• Optimum chemical resistance (PE-HD)

• High ageing resistance

• Optimum wearing resistance

• Variable connections possible

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Information

• The DN 100 sleeves have a slightly conical shape and enable KG pipes (Da = 110 mm) without a seal and AGROFLEX (Da = 100 mm) PVC drainage pipes in accordance with DIN 1187 to be connected.

• The DN 160 sleeves enable the connection of KG pipe (Da = 160 mm) with sealing ring and AGROFLEX

(Da = 160 mm) PVC drainage pipes in accordance withDIN 1187.

• The DN 200 tapered ends (Da = 200 mm) enable KG sleeves to be slid on as well as connecting sleeves for AGROFLEX (Da = 200 mm) PVC drainage pipes in

accordance with DIN 1187

MAIN AND CONNECTION DIMENSIONSVARIODRÄN

Article no. 621 52 200

Article no. 621 52 110Article no. 621 52 160

Sand trap

Sleeve KG DN 160

Sleeve KG DN 160

Sleeve KG DN 160 Sleeve KG DN 110

Sleeve KG DN 110

Sleeve KG DN 110

Sand trap

DN 200

Coned endKG measure

DN 200

Coned endKG measure

DN 200

Coned endKG measure

Sand trap

ORIGINAL ACCESSORIES FOR DROSSBACH SHAFTS

F. SHAFT FITTINGS

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INLET COVERFor overflow shaft, Class B, cast, DN 400, incl. cast frameand concrete ring.The concrete ring must be laid in a well-compacted gravelbed or site-mixed concrete so that the cover does not lie onthe connector pipe. A sliding and separating layer of film ora similar material must be located between the site-mixedconcrete and the connector pipe!


SHAFT CONNECTOR PIPEPE-HD DN 400

Construction length Article no.1 m 620 31 4141.5 m 620 31 4132 m 620 31 4126 m (for cutting to size in the field) 620 31 410

DIRT TRAPPE-HD, for Class B and Class D shaft covers


SHAFT COVERClass B cast DN 400 with/without ventilation, incl. cast frameand concrete ring.

The concrete ring must be laid in a well-compacted gravelbed or site-mixed concrete so that the cover does not lie onthe connector pipe. A sliding and separating layer of film ora similar material must be located between the site-mixedconcrete and the connector pipe!

with ventilation Article no. 681 52 004without ventilation Article no. 681 52 003

Class D cast DN 400 with/without ventilation, incl. cast frameand concrete ring.

The concrete ring must be laid on a concrete foundation atleast 20 cm thick and wide so that the cover does not lie onthe connector pipe. A sliding and separating layer of film ora similar material must be located between the concretefoundation and the connector pipe!

with ventilation Article no. 681 52 006without ventilation Article no. 681 52 008

VARIODRÄN FITTINGS

Article DN Article no.Sealing plugs 100 682 401 10Sealing plugs 160 682 401 60Sealing plugs 200 682 402 00KG AGROSIL 1000 Form F adapter 100 681 521 00KG AGROSIL 1000 Form F adapter 160 681 521 50KG AGROSIL 1000 Form F adapter 200 681 522 00KG AGROSIL 2500 Form D adapter 100 621 571 00KG AGROSIL 2500 Form D adapter 160 621 571 50


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EMachinery · Pipe Systems

AGROSIL 1000 and AGROSIL 2500 are supplied in 6 mlengths packed in wooden frame pallets. The pallets mustbe packed exactly on top of one another on transportvehicles and secured against slipping.On the site, use suitable lifting gear to unload and transportthe pallets, such as fork-lift trucks or a crane with cushionedslings. Do not unload by tipping or throwing.The storage site should be firm and free of any foreignbodies that might damage the pipes. Stack max. 2 palletson top of each other and make sure that the wooden framesof the pallets are placed exactly. Stack loose pipes on alevel place with displaced sleeves to a max. height of 1.5m and secure at the sides. Because of the low weight, singlepipes can easily be transported by hand and lowered intothe trench without being thrown.Shaft material and fittings are supplied loose or onnonreturnable pallets.

MACHINING

Check pipes and fittings before machining. Separate alldamaged parts.The limit temperatures for transport and layingAGROSIL 2500 PE-HD pipes are between -20 °C and+40 °C.AGROSIL 1000 PVC-U pipes are sensitive to low temperatures.For this reason, do not lay them if the temperature is below0°C and take special care when transporting them, takingaccount of their low temperature brittleness.Use a finetoothed saw to cut lengths by sawing in thetroughs without cutting the profile.With full and partial drainage pipes, after cleaning thesleeves are pushed together dry; with larger nominal widthsuse a lever where necessary, with a board between the leverand the end of the pipe to protect the surface. With multi-purpose pipes and unperforated multi-purpose pipes cleanthe sleeves, tapered end and sealing ring carefully and useDROSSBACH lubricant.

DELIVERIES

THINGS YOU SHOULD KNOW

G. TRANSPORT · LAYING ·MAINTENANCE

The pipe trenches must be excavated taking account of therelevant laying and safety provisions, including

• DIN EN 1610 (10/97): Laying and Testing Sewer Pipes and Conduits (replaces the previous standard DIN 4033)

• ATV DVWK-A 139 (06/01): Installing and Testing SewerPipes and Conduits

• ZTV A-StB 97 (1997): Additional Technical ContractualConditions and Directives for Excavations in Traffic

Areas

• Accident Prevention Regulations issued by TradeAssociations

The pipe support must be implemented with the plannedgradient and degree of compacting. For reasons to do withthe static, in the pipeline zone use material from soil groupG1 or G2 that is capable of being well compacted and isfilter stable (see the section entitled ”Filter stableinstallation“).Frequently, for leading percolating water to the perforationsof partial drain or multipurpose pipes the lower area of thepipeline zone is to be consist of dense material throughwhich the water cannot seep. For this purpose, use cohesivesoil or foil on non-cohesive soil with a gradient to theperforations. For pipe static reasons, with drainage pipesmade of plastic the use of concrete for the support andbedding to the perforations is not recommended. Flexibleplastic pipes require a supporting layer in a compactableelastic soil material, so that the pipe/soil interplay and thenecessary bedding reaction pressure can develop.

PIPE TRENCHES AND PIPELINE ZONE

Cohesive soil

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FILTER STABLE CONSTRUCTION

Drainage pipes must be laid with suitable filter materials. Ifthis is not done, malfunctions and restrictions on the servicelife may occur as a result of blocked perforations or depositsof fine soil particles in the pipe.The following general information shows the fundamentalbackground. It is not intended to replace concrete measuresbased on the local situation, which have to be made wherenecessary by a specialist planner or in a soil survey.

The choice of the filter material and the dimensions of thefilter layer depends on the soil in place and the perforationwidth of the pipes used:

• Soil in place

The gravel used around the pipe must be filter stable againstthe soil in place and the soil that is to be drained. For thispurpose it must have a suitable grain distribution.Terzaghi‘s filter rule has proved its value:

D15 < 4 *d85

i.e. grain Ø of the filter material at 15% by weight < 4 *grain Ø of the soil in place at 85% by weight.

The gravel filter layer must be at least 200 mm thick on allsides, even if multiple graduated material is used.If this condition cannot be complied with, a suitably structuredgeotextile must be used (see ”Leaflet on using geotextilesand geogrids in civil engineering works for road construction“).

• Perforation width of the drainage pipe

The grain distribution curve of the filter gravel that is usedmust have a grain Ø at 85% by weight that is greater thanthe perforation width of the pipe. The perforation widths ofAGROSIL 1000 and AGROSIL 2500 are between 0.8 mm and1.4 mm in accordance with DIN 4262-1.

When laying the pipes, make sure that the layout is inaccordance with the function. AGROSIL 2500 partial drainand multi-purpose pipes have a lengthways coloured markedon the crown. This marking must be exactly uppermost. Withthe AGROSIL 1000 pipe, the pipe is laid with the smooth flatbottom on the bottom of the trench.The filter and backfill material must be inserted carefully andgradually without being tipped from a height. Compactingin the pipeline zone must be done by hand and with lightweightapparatus only. When doing this, make sure that the pipe isnot pushed at the sides or upwards out of its correct position(e.g. sand cone, rods, etc.). Because of their single-layer wallconstruction and greater flexibility, AGROSIL 1000 pipesrequire even greater care in this regard than the two-layerAGROSIL 2500 pipes. Heavy-duty compactors must not beused until a level of 1 m above the pipe crown is reached.

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Shafts made by DROSSBACH for drainage pipes areconstructed as follows:A shaft body with welded sleeves for the inlets and outletsand a sleeve for the shaft pipe, which is inserted into theshaft body.The shaft pipe is cut to length in the field for the exactinstallation height (delivery lengths: 1 m, 1.5 m, 2 m or6 m for cutting to length in the field).The shaft pipe then leads in a single nominal width throughto the surface just below the cover.

A fine-toothed saw must be used for cutting. The shaftpipes have a 3-layer wall construction. Make the cut in thetrough at a right angle to the pipe axis so that the resultis a straight end without the webs being cut. The positionof the corrugations can be seen on the outer surface of thepipes (see the illustration at the bottom right). Werecommend marking the cut with a wide marking tape.

1. Lightweight covers, designed for pedestrian traffic (Class A 15)

These lie directly on the shaft pipe. The shaft pipe can absorbthe weight and the load of the cover.With grids that are designed for pedestrian traffic cut theshaft connector pipe so that the cover is exactly level withthe finished surface.

2. Heavy duty covers, designed for vehicular traffic (Class B 125 and D 400)

These lie on concrete rings outside the shaft pipes. Theirweight and the load from the covers must be transferredthrough the concrete rings into the soil without the shaftpipes experiencing a vertical load either in the installedposition or through settling.

With covers that are designed for vehicular traffic cut theshaft connector pipe so that there is a minimum clearanceof 50 mm between the upper edge of the shaft pipe andthe lower edge of the cover.

With heavy duty covers, make sure as well that loads cannotbe transmitted into the connector pipes through thesubstructure.

Class B 125

Lay the concrete ring in a firmly compacted gravel bed orin site-mixed concrete so that the cover does not lie on theconnector pipe. A sliding and separating layer of film or asimilar material must be located between the site-mixedconcrete and the connector pipe.

Class D 400

Lay the concrete foundation at least 20 cm thick so thatthe cover does not lie on the connector pipe. A sliding andseparating layer of film or a similar material must be locatedbetween the concrete foundation and the connector pipe.

INSTALLING THE SHAFTS

Drainage pipes are inspected and maintained through theappropriate shafts. With its smooth flat bottom, the AGROSIL-CONTROLLER enables inspection cameras and high-pressureflushing nozzles to be easily inserted into the pipe holders.In contrast, VARIODRÄN shafts retain a certain amount ofdirt in the collecting space and this can be sucked out easilyduring cleaning work.When the drainage installation is handed over to the operatorthere is usually an initial inspection and the system iscleaned as well, if necessary. Following this, inspections andcleaning measures should be carried out at regular intervalsto keep the drainage pipes ready for use permanently.

AGROSIL 2500 drainage pipe and the AGROSIL-CONTROLLERand VARIODRÄN shafts have been verified as being able towithstand the usual flushing pressure of max. 130 bar usedin pipe cleaning today. If rotating chains are to be used asmechanical cleaners only round link chains should be used.The pipe cleaners must chose the right apparatus andmethod of working to ensure that the drainage pipes arenot damaged.

INSPECTION AND MAINTENANCE

Flushing tests atan independenttest body

Do not cut here Optimum cutting to sizein the trough

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Resistance of the material to water and soils

For its pipes and shafts DROSSBACH uses proven and reliablematerials: PE-HD and PVC-U are resistant to surface andleakage water, and with their resistance in the range of pH2 to pH 11 are, in extreme cases, also resistant to watercontaminated in industrial catastrophes or by water usedin fire fighting. On the other hand, they are stable againsterosion and leaching of ingredients and do not pass anysubstances to the leakage water or the soil.

RESISTANCE

WHAT YOU SHOULD KNOW

H. PLANNING

Outflow of the expected volume of water withoutdamming up

For calculating drainage pipes, check the possible throughflowvolume for a selected nominal width, given an availablepipe gradient, or determine the required nominal width fora volume to be discharged.The basic principles are found in the work sheet ATV-DVWK-A 110 ”Hydraulic Dimensioning and Performance Record ofSewer Conduits and Pipes“, which has now been revisedand published in a new edition in September 2001 (ISBN3-935669-22-4).Important information and standards are also contained inthe ”Directive for Highway Projects (RAS)“, Part DrainageRAS-Ew (1987).

The internal roughness of the pipes is an important factorfor flow losses. Like all plastic pipes with their very smoothnon-porous inner surfaces, AGROSIL 1000 pipes made ofPVC-U and AGROSIL 2500 pipes made of PE-HD have anabsolute pipe wall roughness between 0.005 and 0.5 mm.The perforation has only a slight effect on the outflowperformance. Partial drainage pipes and multi-purpose pipesare unperforated in the lower area, and UP pipes used purelyfor transport purposes do not have any perforations at all.To take account of socket joints, shafts, positional deviationsand perforations, in general a value of 0.5 mm is assumedfor the operating roughness kb, and this can be used fordimensioning using the flat rate concept (RAS Ew:kb = 0.4 mm).With AGROSIL 1000 drainage pipes with internal corrugatedwalls, the roughness values are higher, but, in comparisonwith a smooth-walled AGROSIL 2500 pipe with the samenominal width, the influence effect is compensated forpartly by a slightly larger outflow cross-section.

The outflow in dependence on the pipe gradient forAGROSIL 1000 and AGROSIL 2500 pipes can be seen in thefollowing diagrams.

DIMENSIONINGPipes and shafts for collecting and discharging percolating andsurface water must conform to the following requirements:

For collecting the water from the soil the water inlet surfaceof AGROSIL 1000 and AGROSIL 2500 drainage pipes isgreater than or equal to 50 cm2/m in accordance with DIN4262-1 and is independent of the type of perforation. Thewater inlet surface of a metre length of drainage pipetherefore corresponds to the outflow cross-section of a DN80 pipe!The profile geometry of AGROSIL 1000 and AGROSIL 2500pipes, which has been optimised for their use as drainagepipes provides the inflowing water with secure andpermanent flow paths to the inlet perforations in the troughs.The filter stable bedding of the pipes is absolutely essentialfor a long-term guarantee of the water collection capacityof drainage pipes. The correct choice and dimensioning andthe filter materials depend on the local soil and thehydrological situation at each project and requires greatcare in the planning stage. See the general information inthe last chapter.

COLLECTING WATER FOR DISCHARGE

Worksheet ATV-DVWK-A 110”Hydraulic Dimensioning andPerformance Record of Sewer

Conduits and Pipes“ September2001 edition

(ISBN 3-935669-22-4).

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100

1000

1 10 100Sohlgefälle in ‰

Durch

fluss

in l/s

DN 100

DN 160

DN 200

DN 250

DN 80

1

10

100

1000


Durch

fluss

in l/s

DN 100

DN 160

DN 200

DN 250

DN 80

1

10

100

1000


Durch

fluss

in l/s

DN 100

DN 160

DN 200

DN 250DN 315

DN 355

Flow diagram ofdrainage pipesAGROSIL 1000

Flow diagram ofdrainage pipesAGROSIL 2500

bottom midth slope ‰

flow

l/s

bottom midth slope ‰

flow

l/s

34

Standard inspection methods using cameras and cleaningwith high-pressure machinery are possible without anyproblems with the pipes and shafts shown in this catalogue.See the previous chapter for more details.After clarifying the concrete requirements it may be necessaryto draw up application-based special solutions for particularapplication and load conditions, for example, thoseencountered in tunnel construction, with landfills, or inindustrial and process engineering.Please contact our Engineering Department.

GUARANTEE OF MAINTENANCEFACILITIES

Thanks to their material and geometrical parameters, drainagepipes made by DROSSBACH have excellent properties foruse in road construction and civil engineering projects. Withits high E-module, PVC-U guarantees the high stability andload-bearing capacity of AGROSIL 1000 pipes.With the AGROSIL 2500 pipes, PE-HD characterises a highdegree of toughness at cold temperatures and extremedeformation capability, without failure, including underdynamic loads. The corrugated wall construction of bothtypes of pipe leads to maximum stability.

In accordance with DIN 4262-1, the ring stiffness ofAGROSIL 1000 and AGROSIL 2500 drainage pipes is testedunder DIN EN ISO 9969 and compliance with the standardsin the category ”SD“ is guaranteed:

DN 80/100 ring stiffness ≥ 8 kN/m2DN > 100 ring stiffness ≥ 4 kN/m2

However, these ring stiffnesses are measured values fromlaboratory tests to verify defined quality criteria. They provideconditional information only on the behaviour of a pipeunder concrete installation and load conditions and onpermanent suitability for the planned application.The pipe static verification for drainage pipes under theexpected load and the soil and installation conditions of aproject can be carried out in accordance with the relevantcalculation provision ATV-DVWK-A 127. Where required,ask for our ”Property questionnaire for the static calculationof DROSSBACH pipes“. With the help of a calculation programyour data are used to check compliance with the verificationcriteria strength, stability and deformation.In general, it is not difficult to carry out this verificationfor the drainage pipes even under the highest load classSLW 60 and shallower cover. However, a firm support andbedding for the pipes is necessary in accordance with DINEN 1610 ”Laying and testing sewer conduits and pipes“ (seethe previous chapter).Note: verification for type C1 (from F) drainage pipes canonly be done approximately because the calculation modelsassume a circular cross-section.

DURABILITY AND DIMENSIONALSTABILITY

Ring stiffness test in DROSSBACH‘squality assurance laboratory

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